DESC:4. DESCRIPTION
Technical Field of the Invention

The present invention related to the technical field of electrical devices and control systems focusing on speed regulation mechanisms. More particularly, it involves the development of a mains operated speed regulator tailored to address the unique requirements and challenges associated with BLDC fans.

Background of the Invention

The technological landscape of fan regulators has seen significant advancements over the past few decades. Traditional fan regulators, primarily designed for induction motor fans, have played a critical role in managing fan speed and power consumption. These regulators typically operate by adjusting the voltage or current supplied to the fan motor, thereby controlling its speed. While effective, these traditional regulators face several limitations, especially when applied to modern Brushless Direct Current (BLDC) fans.

Traditional fan regulators usually consist of a resistive or capacitive element that alters the voltage or current flowing to the fan motor. These regulators are straightforward in design and operation, offering stepwise speed control by varying resistance or capacitance. They have been widely used in homes and commercial settings for decades due to their simplicity and cost-effectiveness.

However, these regulators have several inherent drawbacks. Firstly, the stepwise control mechanism results in limited speed settings, typically offering only a few discrete speed levels. This lack of fine control can lead to suboptimal comfort and energy efficiency. Users often find it challenging to achieve their desired fan speed, resulting in either excessive or insufficient airflow.

Secondly, traditional regulators are prone to energy losses due to their reliance on resistive or capacitive components. These components dissipate energy as heat, reducing the overall efficiency of the fan system. This energy dissipation not only leads to higher electricity bills but also contributes to increased heat generation within the regulator, which can affect its lifespan and reliability.

The introduction of BLDC fans marked a significant leap forward in fan technology. BLDC fans are equipped with advanced internal components, such as Switch Mode Power Supply (SMPS) units and microcontroller-based driver circuits. These components enable BLDC fans to achieve higher energy efficiency, more precise control, and longer motor life compared to traditional induction motor fans.

BLDC fans operate on direct current, which allows for smoother and more precise speed control. The use of microcontrollers in BLDC fans enables sophisticated control algorithms that optimize fan performance and energy consumption. Additionally, BLDC fans generate less heat and noise, making them more suitable for various applications, including residential, commercial, and industrial settings.
Despite these advantages, BLDC fans also present unique challenges, particularly when it comes to speed regulation. The advanced internal circuitry of BLDC fans requires compatible control mechanisms to fully leverage their capabilities. Traditional step regulators, designed for induction motor fans, often fall short in meeting the specific needs of BLDC fans.

One of the primary challenges of using traditional regulators with BLDC fans is voltage compatibility. BLDC fans are designed to operate at specific voltage levels, and any deviation from these levels can cause performance issues. Traditional regulators, which adjust speed by altering voltage, can create voltage drops that affect the fan's internal circuits. These voltage drops can lead to heat generation, increased thermal stress, and reduced durability of the fan motor.

Additionally, the incompatibility between traditional regulators and BLDC fans can result in erratic fan behavior. For instance, sudden voltage drops can cause the fan to operate at unintended speeds or even shut down unexpectedly. This erratic behavior not only diminishes user comfort but also poses safety risks, particularly in environments where consistent airflow is critical.

Another significant challenge with traditional regulators is the complexity of wiring and control. Traditional regulators require direct wiring between the control unit and the fan, which increases installation complexity and limits flexibility. In many cases, installing a traditional regulator involves modifying the existing electrical infrastructure, which can be costly and time-consuming.

Moreover, the wired connection between the regulator and the fan restricts the placement of both devices. Users must position the regulator within a certain distance from the fan, limiting the options for optimal fan placement. This constraint can be particularly problematic in large rooms or spaces where flexible fan placement is desired.

The stepwise control mechanism of traditional regulators offers limited precision in speed adjustment. Users can only choose from a few predefined speed settings, which may not align with their specific comfort or environmental needs. This lack of fine control can result in either excessive or insufficient airflow, leading to discomfort and inefficiency.

For instance, a user may prefer a specific airflow level that falls between two predefined settings on a traditional regulator. In such cases, the user is forced to choose between a speed that is too high or too low, neither of which provides the desired comfort. This limitation is particularly noticeable in environments where precise airflow control is essential, such as in climate-sensitive industrial processes or residential settings with varying thermal comfort requirements.

Many BLDC fans come with battery-operated handheld remotes for speed control. While these remotes offer the convenience of wireless operation, they also introduce several challenges. Battery replacements are a recurring inconvenience, adding to the overall maintenance burden. Additionally, battery disposal poses environmental concerns, as discarded batteries contribute to hazardous waste.

The reliance on battery-operated remotes also raises the issue of remote loss or malfunction. If the remote is misplaced or damaged, users may find it difficult to control the fan, rendering the fan unusable in some cases. This dependency on remotes can be particularly problematic in commercial or public settings, where multiple users need access to fan controls.

The challenges associated with traditional regulators and the unique requirements of BLDC fans underscore the need for a new type of regulator. This new regulator must integrate seamlessly with BLDC fan technology, addressing the limitations of traditional step regulators while upholding the energy efficiency, precision control, and durability of BLDC fans.

Such a regulator should eliminate voltage drop issues, ensuring stable fan operation without generating excessive heat. It should also offer fine speed adjustments, providing users with a smooth range of speed settings that align with their specific comfort and environmental needs. Additionally, the new regulator should simplify installation and wiring, reducing complexity and cost.

Moreover, the new regulator should eliminate the dependency on battery-operated remotes, offering an intuitive and user-friendly control mechanism. It should provide reliable and secure wireless communication with the fan, ensuring consistent and precise control without the need for direct wiring.

The advancements in solid-state electronics have paved the way for more sophisticated and efficient fan control systems. Solid-state components, such as microcontrollers and power electronics, enable precise control of electrical devices, including fans. These components are capable of processing complex control algorithms that optimize performance and energy efficiency.

Microcontrollers, in particular, have become integral to modern fan control systems. They allow for the implementation of advanced control strategies, such as Pulse Width Modulation (PWM), which provides fine speed control and reduces energy consumption. The integration of microcontrollers in fan regulators enhances their ability to deliver precise and responsive control, catering to the specific needs of BLDC fans.

The development of wireless communication technologies has also influenced the design of fan control systems. Wireless communication enables remote control of devices without the need for physical connections, offering greater flexibility and convenience. Various wireless protocols, such as Radio Frequency (RF), Bluetooth, and Wi-Fi, provide reliable and secure communication channels for controlling fans and other appliances.

RF communication, in particular, is well-suited for fan control applications due to its robustness and resistance to interference. RF transmitters and receivers can establish stable communication links between the regulator and the fan, allowing for seamless control even in environments with significant electromagnetic noise. The use of RF communication in fan regulators eliminates the need for direct wiring, simplifying installation and enhancing flexibility.

Energy efficiency has become a paramount consideration in the design of electrical appliances, including fans. The growing emphasis on reducing energy consumption and minimizing environmental impact has driven the development of more efficient fan control systems. BLDC fans, with their inherent energy efficiency, align with these goals, but their full potential can only be realized with compatible control mechanisms.

Traditional regulators, with their energy losses and limited control precision, fall short of the energy efficiency standards demanded by modern consumers and regulatory bodies. The need for a regulator that maximizes the energy-saving benefits of BLDC fans is evident. Such a regulator would contribute to lower electricity bills, reduced carbon footprints, and overall environmental sustainability.

In addition to technical performance, user experience and convenience are critical factors in the adoption of fan control systems. Modern consumers expect intuitive and easy-to-use devices that integrate seamlessly into their living and working environments. The reliance on battery-operated remotes and complex wiring in traditional fan control systems detracts from the overall user experience.

A new regulator must prioritize user convenience by offering simple installation, intuitive controls, and reliable operation. It should provide both manual and remote control options, ensuring that users can easily adjust fan settings according to their preferences. By eliminating the need for battery replacements and addressing the challenges of remote loss or malfunction, the new regulator can enhance user satisfaction and adoption.

The evolution of fan technology, from traditional induction motor fans to advanced BLDC fans, has highlighted the limitations of conventional fan regulators. Traditional step regulators, while effective for induction motors, are inadequate for the precise and efficient control required by BLDC fans. Issues such as voltage drops, heat generation, wiring complexity, limited control precision, and dependency on battery-operated remotes underscore the need for a new type of regulator.

Advancements in solid-state electronics and wireless communication technologies offer promising solutions to these challenges. A new regulator that leverages these advancements can provide seamless integration with BLDC fan technology, offering fine speed control, energy efficiency, and user convenience. Such a regulator would eliminate the drawbacks of traditional regulators, ensuring stable fan operation, simplifying installation, and enhancing the overall user experience.
By addressing the unique requirements of BLDC fans and overcoming the limitations of traditional regulators, this new regulator represents a significant advancement in fan control technology. It aligns with the growing emphasis on energy efficiency and environmental sustainability while delivering the precision and convenience demanded by modern consumers.

Brief Summary of the Invention

The following presents a simplified summary of the disclosure in order to provide a basic understanding to the reader. This summary is not an extensive overview of the disclosure and it does not identify key/critical elements of the invention or delineate the scope of the invention. Its sole purpose is to present some concepts disclosed herein in a simplified form as a prelude to the more detailed description that is presented later.

The present invention provides a mains-operated speed regulator specifically designed for Brushless Direct Current (BLDC) fans, delivering exceptional energy efficiency and improved control. The invention addresses the limitations of traditional fan regulators by offering a more tailored solution. It provides flexibility in installation, seamless communication between the regulator and fan, and a user-friendly experience.

The primary objective of the invention is to deliver an optimized speed regulator specifically designed for Brushless Direct Current (BLDC) fans. This invention aims to address the limitations of traditional fan regulators by providing consistent and precise speed control that complements the high efficiency of BLDC technology. Unlike traditional AC regulators that often result in either underperformance or wasted energy, this invention ensures smooth and accurate adjustments to fan speed, enhancing both comfort and energy efficiency.

Another critical objective is to enhance the efficiency and effectiveness of speed regulation in BLDC fans, thereby reducing power consumption and improving overall energy savings. The design minimizes energy loss, which is a significant advantage for users seeking to lower their energy bills and reduce their carbon footprint. This objective aligns with contemporary demands for environmentally friendly and cost-effective household appliances.

The invention also aims to ensure the longevity and safety of BLDC fans by reducing potential risks associated with traditional regulators. Traditional regulators can cause erratic voltage fluctuations that damage sensitive electronics within BLDC motors. By offering steady voltage control, this invention significantly reduces the risk of such damage, promoting prolonged fan life and stable operation.
User-friendly control options are another key objective of this invention. The regulator includes both remote and manual control functionalities, allowing users to seamlessly adjust fan speed and power from anywhere in the room. The remote provides intuitive control, while manual switches offer the reliability of traditional mechanisms, ensuring that fan speed can always be adjusted conveniently.

Furthermore, the invention seeks to simplify installation and retrofitting processes. The regulator is designed to fit into existing wall switch panels, ensuring compatibility with a wide range of environments. This makes upgrading older fan systems convenient and straightforward, allowing building owners to replace outdated regulators with new technology without extensive rewiring.

Lastly, the invention aims to provide a regulator that is adaptable to various international electrical standards. The regulator’s plug configuration with two or three pins is designed for direct insertion into AC power sockets, ensuring that it can be used in different countries with different electrical standards. This adaptability is crucial for the global market, ensuring that the regulator can be widely adopted.

The present invention comprises several innovative aspects that collectively address the challenges associated with traditional fan regulators and BLDC fan technology. Central to the invention is a mains-operated speed regulator specifically tailored for BLDC fans, which delivers exceptional energy efficiency and improved control.
The regulator’s design features a plug configuration with two or three pins for direct insertion into an AC power socket, ensuring compatibility with various socket types globally. This plug-and-play setup simplifies installation, making it accessible for a wide range of users without the need for professional assistance or extensive modifications to existing electrical systems.

Integrated into the regulator is a preconfigured chipset programmed to seamlessly pair with one or more BLDC fans. This chipset acts as the brain of the device, processing user inputs and translating them into precise control signals for the fan. The preconfigured nature of the chipset ensures that the regulator can be easily set up and used with different BLDC fan models, providing consistent and reliable performance.

A key feature of the invention is the built-in radio frequency (RF) transmitter, which uses frequency-hopping spread spectrum technology to communicate wirelessly with the fan’s internal receiver. This wireless communication eliminates the need for direct wiring, significantly simplifying installation and giving users unparalleled flexibility and convenience in fan placement and control.

The regulator’s microcontroller allows for fine speed adjustments, offering users a smooth range of speed settings that maximize energy savings and comfort. This level of control is a significant improvement over traditional step-type regulators, which only offer broad, incremental speed settings.

On the operative face of the regulator are multiple switches dedicated to speed regulation and power control. These intuitive buttons enable direct and immediate adjustments, allowing users to control their fan without needing a battery-operated remote. This dual functionality ensures that the regulator can cater to both traditional manual operation and modern remote control.

The regulator is also equipped with a secure socket configuration, including an earth pin for stability and reliability. This configuration, combined with surge protection circuitry, ensures that the device operates safely and effectively under various electrical conditions, protecting both the regulator and the fan from electrical faults.

The invention has a broad range of applications, making it suitable for various environments and use cases. In residential settings, the regulator can be used to optimize room airflow, providing homeowners with a convenient and efficient way to control their BLDC fans. The intuitive controls and wireless communication make it ideal for modern smart homes, where ease of use and energy efficiency are paramount.

In commercial environments such as office buildings, shopping malls, and hotels, the regulator’s precise speed control and user-friendly design ensure that varying ventilation demands are met efficiently. The ability to retrofit the regulator into existing systems without extensive modifications makes it an attractive option for upgrading older facilities.

Industrial applications also benefit from this invention, particularly in environments where precise environmental control is essential. Manufacturing facilities, clean rooms, and climate-sensitive storage areas can utilize the regulator to maintain optimal airflow conditions, ensuring product quality and safety. The robust design and secure socket configuration make it suitable for demanding industrial conditions.

Furthermore, the regulator’s adaptability to different international electrical standards and wide voltage range operation ensure that it can be used in various geographical locations. This global applicability makes the invention suitable for international markets, catering to a diverse user base with different electrical infrastructure.

The invention offers several significant advantages that set it apart from traditional fan regulators and make it a valuable addition to modern BLDC fan systems.
One of the most notable advantages is the enhanced energy efficiency. The regulator’s intelligent design minimizes energy loss, ensuring that BLDC fans operate at their highest efficiency. This leads to lower electricity bills and a reduced carbon footprint, aligning with the growing emphasis on sustainability and environmental responsibility.

Another key advantage is the precision control offered by the regulator. The ability to make fine speed adjustments ensures that users can achieve their desired comfort levels without the limitations of traditional step-type regulators. This precise control enhances user comfort and optimizes energy usage, making the fan system more effective and efficient.

The regulator also significantly improves the safety and longevity of BLDC fans. By providing stable voltage control and minimizing erratic voltage fluctuations, the regulator protects sensitive electronic components within the fan, reducing the risk of damage and extending the fan’s lifespan. The secure socket configuration and surge protection circuitry further enhance safety, making the device reliable and safe to use in various environments.

User convenience is another major advantage of this invention. The dual control options—manual switches and remote control—cater to different user preferences and scenarios. The elimination of battery dependency for the remote control reduces maintenance hassles and environmental impact, offering a more sustainable solution.

The plug-and-play design simplifies installation and retrofitting, making it accessible to a wide range of users. Homeowners, building managers, and facility operators can easily upgrade their fan systems without extensive rewiring or professional installation services. This ease of installation lowers the barrier to adoption, enabling more users to benefit from the advanced features of the regulator.
Finally, the invention’s adaptability to different electrical standards and voltage ranges ensures its applicability in various global markets. This versatility makes the regulator a suitable solution for international use, accommodating different electrical infrastructures and meeting diverse user needs.

In summary, the invention represents a significant advancement in fan regulation technology. By addressing the limitations of traditional regulators and leveraging modern advancements in electronics and wireless communication, the invention offers enhanced energy efficiency, precise control, safety, and user convenience. Its wide range of applications and global adaptability make it a valuable addition to both residential and commercial fan systems, promoting sustainable and efficient fan operation.

Brief Summary of the Drawings

The invention will be further understood from the following detailed description of a preferred embodiment taken in conjunction with an appended drawing, in which:

Fig. 1 illustrates a perspective view of the mains-operated speed regulator, In accordance with an exemplary embodiment of the present invention;

Fig. 2 illustrates a sectional view of the mains-operated speed regulator, In accordance with an exemplary embodiment of the present invention;

Fig. 3 illustrates a room with a fan connected to speed regulator controlled through remote, In accordance with an exemplary embodiment of the present invention;

Detailed Description of the Invention

The present disclosure emphasises that its application is not restricted to specific details of construction and component arrangement, as illustrated in the drawings. It is adaptable to various embodiments and implementations. The phraseology and terminology used should be regarded for descriptive purposes, not as limitations.

The terms "including," "comprising," or "having" and variations thereof are meant to encompass listed items and their equivalents, as well as additional items. The terms "a" and "an" do not denote quantity limitations but signify the presence of at least one of the referenced items. Terms like "first," "second," and "third" are used to distinguish elements without implying order, quantity, or importance.

According to an exemplary embodiment of the present invention, a mains-operated speed regulator conceived for the precise control of Brushless Direct Current (BLDC) fans, incorporating a design that caters to the growing demand for efficient, user-friendly, and smartly integrated home appliances.

Incorporating the latest advancements in solid-state electronics, wireless communication, and user interface design, the invention stands at the confluence of established electrical principles and modern technological convenience. It is engineered to be compatible with the existing electrical infrastructure of homes and buildings while providing an upgrade path to smart home functionality.

Central to the invention is a plug configuration designed for direct interfacing with AC power sockets. The plug features two or three pins, depending on the specific requirements of the regional electrical standards. This design ensures that the regulator can draw power efficiently from the mains supply, converting the AC power into a regulated output suitable for the operation of BLDC fans.

The operative face of the invention is user-centric, with multiple push and release switches that provide tactile feedback for intuitive control. These switches are dedicated to the dual functions of regulating fan speed and managing the power state, enabling users to execute commands for ON, OFF, and speed adjustment operations with minimal effort.

At the heart of the regulator lies a preprogrammed chip-set. This compact yet powerful component is the brains of the operation, preconfigured to communicate with and control one or more BLDC fans. The chip-set's programming includes algorithms designed to manage the fan's speed in a responsive and energy-efficient manner, thereby optimizing the user's comfort and the fan's power consumption.

Wireless functionality is imparted by an RF transmitter integrated into the regulator's housing. The transmitter uses frequency-hopping spread spectrum for reliability and resistance to interference. This choice of communication protocol signifies an emphasis on secure and uninterrupted operation, essential for the seamless integration of the fan into smart home systems.

Safety is a paramount concern addressed in the design. The secure socket configuration includes a threaded receptacle for the 'earth' pin, providing a reliable grounding connection that mitigates the risk of electrical faults. Additionally, surge protection circuitry is incorporated to protect against transient voltage spikes, which are not uncommon in household AC supply lines.

Acknowledging the diverse preferences of users, the regulator is designed to function both as a manual speed controller and as a remote-control device. This dual functionality ensures that the regulator can cater to traditional manual operation while also providing the convenience of remote adjustments through a dedicated remote-control unit equipped with a display screen.

The invention is adaptable to various international electrical standards, including general frequencies of 50 Hz or 60 Hz, by using suitable adapters. This feature extends the applicability of the regulator to a wide range of geographical locations, ensuring that users worldwide can benefit from its advanced control capabilities.

The regulator's operational robustness is characterized by its ability to function within a broad voltage range of 85-265 VAC. Such a feature ensures that the regulator maintains functionality and safety across different mains supply conditions, from regions with stable power infrastructures to those with fluctuating supply voltages.

Ease of installation is a critical aspect of the design. The regulator is devised to be retrofitted into existing fan installations without the need for extensive modifications. It provides a straightforward upgrade path for users looking to modernize their fan control systems with minimal intrusion and maximum benefit.

Through the use of a step-type regulation mechanism, the regulator provides finer control over the fan speed compared to traditional regulators. This precision control not only enhances user comfort by allowing for more granular adjustments to airflow but also contributes to energy savings and reduced operational noise.

The invention offers several significant advantages. The ease of retrofitting and operation, coupled with robust performance across a wide range of voltages and frequencies, positions the regulator as a versatile and user-friendly device. Its secure wireless communication ensures seamless integration into smart home ecosystems, while the built-in safety features provide peace of mind. Lastly, the regulator's energy-efficient operation aligns with contemporary environmental consciousness and consumer demand for sustainable living.

Referring to figures 1-3, the detailed description of the drawings for the mains-operated speed regulator for Brushless Direct Current (BLDC) fans, as referenced in the claims, is as follows:

The first figure presents a three-dimensional view of the innovative speed regulator (100), designed to control BLDC fans efficiently. This regulator is depicted with a housing that encapsulates the technological advancements of the invention.

At the forefront of the regulator is the plug configuration (102), which consists of either two or three pins suitable for direct insertion into an AC power socket. This design choice facilitates compatibility with various global electrical standards, enabling the regulator to draw power efficiently from the mains supply.

The operative face of the regulator is furnished with an array of push and release switches (104). These switches are strategically placed for ergonomic access and are designed to be user-friendly, allowing for the adjustment of fan speed with precision. At least one of these switches is dedicated to turning the power ON and OFF, providing users with straightforward control over the BLDC fan’s operation.

Integrated within the regulator's design is the preconfigured chipset (106). This component is the brain of the device, preprogrammed to enable seamless communication with one or more BLDC fans, which aligns with the claim for synchronized control over multiple fans.

Additionally, the RF transmitter (108) is a key feature of the regulator, which, according to the claims, employs a frequency-hopping spread spectrum for communication. This technology not only enhances the security of the wireless communication but also minimizes the susceptibility to interference. The RF transmitter allows the regulator to send commands wirelessly to the fan, obviating the need for any physical connection between the two, thus supporting the claim of providing flexibility in fan placement and installation.

The regulator is also equipped with a secure socket configuration that includes a threaded receptacle (not shown in the figure) for the 'earth' pin. This design ensures a stable and secure connection to the AC power socket board, contributing to the overall safety and reliable performance of the device.

In the second figure, the internal workings and component arrangement of the speed regulator (100) are revealed through a sectional illustration. This view provides a deeper understanding of the inventive aspects and their interrelations within the physical structure of the regulator.

The plug configuration (102) is shown with its pins that are designed for effortless insertion into an AC power socket. This aspect of the design highlights the ease of installation and the adaptability of the regulator to different electrical systems, as claimed.

Visible on the regulator's operative face are the multiple push and release switches (104), which are integral to the manual operation of the device. These switches enable the user to control the fan speed and the power status without the need for additional remote devices, indicating a design that is both self-contained and user oriented.

Central to the sectional view is the preconfigured chipset (106), strategically positioned within the housing of the regulator. This chipset is the command center that processes the user inputs and translates them into RF signals that are sent to the BLDC fan. The claim that the chipset is preprogrammed to pair with multiple BLDC fans is validated by this integral placement, showcasing the capability for synchronized fan control.

The RF transmitter (108) is also showcased, positioned to effectively communicate with the external fan unit(s). The inclusion of the frequency-hopping spread spectrum technology is inferred by the presence of this transmitter, which aligns with the claims regarding secure and interference-resistant communication.

Lastly, the figure emphasizes the secure socket configuration, highlighting the threaded receptacle for the 'earth' pin, which is an essential safety feature. This configuration not only provides a firm electrical connection but also ensures that the regulator remains safely anchored during operation, reducing the risk of electrical hazards.

The operation of the mains-operated speed regulator begins with the insertion of the plug (102) into an AC power socket. This action activates the regulator, which is then ready to receive input from the user via the push and release switches (104). Upon interaction with these switches, commands are generated within the regulator.

The preconfigured chipset (106) receives these commands and processes them, converting the user's inputs into RF signals that are transmitted by the RF transmitter (108). These signals are sent to the BLDC fan, which is equipped with a corresponding receiver capable of interpreting the frequency-hopping signals for secure and efficient communication.

The fan then adjusts its speed or power status based on the instructions received, allowing for real-time customization of airflow and energy consumption. This entire process showcases the regulator's ability to provide convenient, precise, and safe control over the fan's operation, emphasizing the user-friendly nature of the device.

The fan regulator underwent a series of rigorous tests in its exemplary embodiment to assess reliability and compliance with industry standards. The mechanical strength test evaluated its resistance to environmental conditions by placing samples in a humidity cabinet with over 95% humidity at 40 ± 5°C for 48 hours. Each sample retained its structural integrity and exhibited no signs of damage, corrosion, or degradation, demonstrating resilience to humidity.

The mechanical endurance test required the regulator to withstand 2,500 switching cycles, simulating prolonged use. Each cycle involved switching the regulator from "Off" to "Full Speed" at a rate of six operations per minute. The regulator successfully passed this test, functioning smoothly without malfunction, demonstrating high durability.

In the high voltage test, the regulator was subjected to an AC voltage of 500 volts at 50 Hz for one minute to ensure electrical robustness. The voltage was applied between the terminals and body, and with the regulator in the "Off" position. The regulator passed without any electrical breakdown or flashover, proving its safety and integrity.

The insulation resistance test verified the electrical insulation by applying 500 V DC, measuring resistance after one minute. The regulator's insulation resistance exceeded 2 megohms, confirming reliable insulation.

For the starting test, the regulator was connected to a fan at 85% of its test voltage or the lowest limit of its voltage range. The fan consistently started with the regulator at its lowest speed setting across ten repetitions, demonstrating consistent starting performance.

When testing fan speed and input, the regulator maintained an input within 10% of the marked value and a power factor of at least 0.90 at maximum speed and rated voltage. The fan speed stayed within ±10% of the declared value.

Lastly, the earthing connections were verified by passing a current from an AC source with no more than 12 V across the earthing terminal and accessible metal parts. The measured voltage drop confirmed that resistance did not exceed 0.1 ?, ensuring proper grounding.

In summary, the fan regulator passed all type tests, validating its reliable mechanical strength, endurance, electrical safety, starting capability, and compliance with input and grounding requirements.

The present invention, an exemplary fan regulator, demonstrates several significant advantages and applications within various fields, particularly in home and industrial ventilation. These benefits primarily stem from its design features that enhance mechanical durability, electrical safety, and performance efficiency.

First, the fan regulator offers exceptional mechanical durability. It has undergone extensive mechanical endurance tests to ensure high durability, capable of withstanding numerous switching cycles even under challenging conditions. This robustness results in fewer breakdowns and a longer lifespan, reducing maintenance costs and downtime. Such reliability is particularly beneficial for industrial applications where fans operate for extended periods and require consistent performance.

Another key advantage is electrical safety. The regulator prioritizes safety with high-voltage and insulation resistance tests that ensure it can safely handle power supply variations and external electrical surges. By maintaining electrical integrity and preventing breakdowns or flashovers, it reduces the risk of electrical fires or equipment damage. This makes it suitable for environments with stringent safety protocols, including chemical and pharmaceutical production units.

The regulator’s starting reliability is noteworthy. It can start the fan at lower voltages (85% of the rated value), enabling effective operation in areas with inconsistent power supply. The regulator ensures smooth starting across different speed settings, reducing potential strain on motors or electrical components. This feature is advantageous in regions where frequent voltage fluctuations could otherwise disrupt ventilation.

In terms of speed control efficiency, the regulator maintains precise speed control across a wide voltage range. This feature enables users to adjust fan speed based on specific ventilation needs, leading to better energy management. Preventing unnecessary power usage, it reduces energy costs and environmental impact. The regulator is applicable for residential use to optimize room airflow, and in commercial spaces like office buildings that require varying levels of ventilation.

Compatibility with existing systems is another advantage. Its design allows compatibility with existing fan motors and ventilation systems, making it an ideal upgrade for improving energy efficiency without extensive overhauls. This is particularly advantageous for older manufacturing facilities or residential buildings that require modernization.

In terms of enhanced fan performance, the regulator helps maintain a consistent power factor and keeps the fan operating within a 10% speed variation from the declared value. This stability ensures efficient operation and compliance with intended performance specifications. For applications requiring precise environmental control, like clean rooms or climate-sensitive storage facilities, the regulator’s ability to maintain steady fan performance is essential.

Lastly, grounding assurance is vital for safety. The fan regulator maintains a reliable grounding system, reducing the risk of electric shock and interference.

Applications of this fan regulator include residential and commercial environments. It improves air quality in residences with tailored ventilation control and ensures consistent airflow in industrial production facilities for quality assurance and safety. In commercial settings like malls, offices, and hotels, the regulator's precise speed control and safety features ensure varying ventilation demands are met efficiently.
,CLAIMS:5. CLAIMS
I/We Claim
1. A mains-operated speed regulator (100) system for Brushless Direct Current (BLDC) fans, comprising:
a plug configuration (102), multiple switches (104), a preconfigured chip-set (106), an RF transmitter (108), a secure socket configuration;
the secure socket configuration featuring a threaded receptacle for the 'earth' pin to ensuring stable connection to the AC power socket board;
Characterized in that,
the plug configuration (102) with two or three pins are configured for direct insertion into an AC power socket;
the said multiple switches (104) positioned on its operative face are configured for regulating fan speed and controlling power ON/OFF functions;
the preconfigured chip-set (106) programmed to seamlessly pair with one or more BLDC fans; and
the RF transmitter (108) utilizes frequency-hopping spread spectrum for secure and interference-resistant communication with the BLDC fan.

2. The mains-operated speed regulator (100) system as claimed in claim 1, wherein the multiple switches (104) include at least one switch for regulating fan speed and at least one switch for controlling power ON/OFF functions.

3. The mains-operated speed regulator (100) system as claimed in claim 1, wherein the preconfigured chip-set (106) is programmed to pair with multiple BLDC fans simultaneously, allowing for synchronized control.

4. The mains-operated speed regulator (100) system as claimed in claim 1, wherein the RF transmitter (108) configured for wireless communication with the BLDC fan for its operation.

5. The mains-operated speed regulator (100) system as claimed in claim 1, wherein the mains-operated speed regulator (100) includes an additional remote-control device comprising a display screen for providing feedback on fan speed settings and power status.

6. The mains-operated speed regulator (100) system as claimed in claim 1, wherein the secure socket configuration includes surge protection circuitry to safeguard against voltage spikes and electrical surges.

7. The mains-operated speed regulator (100) system as claimed in claim 1, compatible with different countries general frequencies (50 or 60 Hz) by using suitable adapters.

8. The mains-operated speed regulator (100) system as claimed in claim 1, adapted to be operated within a voltage range of 85-265 VAC and frequency of 50 or 60 Hz without causing damage to the circuit.

9. A method of use of the mains-operated speed regulator (100) system as claimed in claim 1, comprises steps of:
inserting a plug having two or three pins to directly insertable into an AC power socket;
activating the regulator upon plugging it into the AC power socket;
using the switches on the regulator's operative face to send commands to the fan via RF signals, wherein the switches allow users to adjust fan speed and control power ON/OFF functions;
upon receiving the commands, the regulator's preconfigured chip-set processes the instructions and translates them into RF signals;
the BLDC fan receives the RF signals and implements necessary changes in speed or operation based on the received instructions;
continuously monitors and adjusts the fan's speed and operation based on user inputs to ensuring optimal functionality and user satisfaction.