Description:FIELD OF THE INVENTION
The present invention relates to the field of weighing and measurement, particularly addressing the need for accurate and convenient digital weighing scales.
BACKGROUND OF THE INVENTION
Weighing scales are essential tools in numerous industries, including manufacturing, retail, healthcare, and logistics. They are used for a wide range of applications, from precise measurements of materials in industrial processes to monitoring body weight in personal use. Despite the widespread availability of weighing devices, traditional analog scales and many digital models face limitations in terms of accuracy, ease of use, real-time responsiveness, and data integration.
Analog scales, while simple and cost-effective, suffer from limited accuracy and are prone to manual errors in reading and recording weights. They also lack advanced features like tare functionality, calibration options, and the ability to store or transmit data for analysis. Similarly, many low-end digital scales are often limited by outdated technology that provides only basic weight measurements without the ability to process or manage data effectively. This poses a challenge in industries where precision, data logging, and integration with broader systems are crucial, such as inventory management or industrial manufacturing.
In addition, the demand for compact, portable, and low-power weighing solutions continues to grow, driven by the need for mobile applications, environmental concerns, and power efficiency. Traditional weighing scales, however, often rely on bulky designs and require continuous power sources, limiting their flexibility in various work environments.
Another issue with many existing digital scales is their inability to provide real-time weight readings without noticeable lag. Slow data processing or display output can reduce the efficiency of operations, especially in industrial or commercial environments where speed is critical. Furthermore, many current weighing systems do not offer user-friendly interfaces or advanced interaction capabilities, such as the ability to switch units, tare weight, or initiate calibration sequences directly through the device.
The present invention addresses these limitations by offering an advanced digital weighing scale system that incorporates modern technology for improved functionality, precision, and versatility. At its core, the invention features a load cell for high-accuracy weight sensing, an HX711 module for signal amplification and conversion, and an Arduino Uno microcontroller for data processing and control. This combination ensures precise, real-time weight measurement while maintaining a user-friendly interface and low power consumption.
One of the key advantages of this system is its ability to process and display weight readings in real time, minimizing delays between measurement and output. This is crucial for environments where speed and efficiency are important. The OLED display offers immediate visual feedback, while the momentary switch provides intuitive interaction, allowing users to execute key functions like tare and calibration without external tools or manual processes.
Moreover, the system supports advanced data logging and integration with external systems via USB or Bluetooth. This feature addresses the growing need for digital scales to be part of a larger data management ecosystem, enabling industries to collect, store, and analyze weight data for inventory control, production optimization, or quality assurance. Additionally, the invention's flexible power options—battery or standard electrical outlet—allow it to be used in diverse environments, including portable or mobile applications.
The invention's compact and durable design ensures that it can withstand environmental factors, making it suitable for both industrial and field applications. The ability to reprogram the Arduino Uno for expanded functionalities and integration with additional sensors further enhances the system’s versatility, allowing it to evolve alongside changing industry needs. This invention not only addresses the accuracy and functionality limitations of existing weighing scales but also opens the door for integration into more complex systems, offering a robust solution for modern weight measurement needs.
SUMMARY OF THE INVENTION
This summary is provided to introduce a selection of concepts, in a simplified format, that are further described in the detailed description of the invention.
This summary is neither intended to identify key or essential inventive concepts of the invention and nor is it intended for determining the scope of the invention.
To further clarify advantages and features of the present invention, a more particular description of the invention will be rendered by reference to specific embodiments thereof, which is illustrated in the appended drawings. It is appreciated that these drawings depict only typical embodiments of the invention and are therefore not to be considered limiting of its scope. The invention will be described and explained with additional specificity and detail with the accompanying drawings.
A weighing machine, also commonly known as a scale, is a device used to measure the weight or mass of an object. These machines are widely used in various industries, laboratories, households, and commercial settings for purposes such as monitoring personal health, measuring ingredients in cooking, ensuring accurate postage, and assessing the weight of goods in trade and manufacturing Modern balances have come a long way since the days of the knife-edge beam balance (which nevertheless still has important uses in the laboratory). Today's digital weighing scale is (or can be) a sophisticated weighing device complete with a suite of software to record and process the results achieved during weighing.
The present invention relates to a digital weighing scale system that leverages modern electronic components to deliver accurate and real-time weight measurements. The system includes:
1. Weight Sensing: The load cell, at the core of the system, is configured to sense weight and generate an analog electrical signal that is proportional to the applied force. The load cell is capable of detecting minute weight changes for precision measurement.
2. Signal Conversion: The analog signal from the load cell is sent to the HX711 module, which amplifies the signal and converts it into a digital format. This digital signal can be processed by the Arduino Uno microcontroller.
3. Data Processing and Display: The Arduino Uno reads the digital signal from the HX711 module and processes the data. It applies calibration and unit conversion algorithms, improving accuracy and converting the readings into desired units such as grams, kilograms, or pounds. The processed weight is displayed in real-time on an OLED display, providing immediate visual feedback to the user.
4. User Interaction: The system includes a momentary switch that allows the user to perform functions such as tare (zeroing the scale), calibration, and unit switching. The Arduino Uno processes the inputs from the switch and executes the corresponding actions.
5. Advanced Features: The system provides data logging functionality, enabling the storage of weight readings for future retrieval or integration with external systems like inventory management through USB or Bluetooth interfaces. The system can also be integrated into larger networks for data analysis and processing.
6. Real-Time Feedback and Error Handling: The OLED display provides feedback to the user about the current weight reading, system status, and error conditions like overload or calibration requirements.
7. High-Speed Processing: The Arduino Uno ensures fast processing and display of weight data, minimizing delays between weight application and display output.
8. Power Supply: The system is operable using both battery power and a standard electrical outlet, offering flexibility for different operational environments.
9. Compact and Durable Design: The load cell, HX711 module, and OLED display are housed in a compact, durable enclosure that protects the components from environmental damage, ensuring long-term reliability and ease of use.
10. Reprogrammable Capabilities: The Arduino Uno can be reprogrammed for new functionalities or interfaced with additional external sensors, allowing the system to be adapted for various applications beyond simple weight measurement.
This invention provides an accurate, reliable, and user-friendly digital weighing solution with extended capabilities for data management and system integration, offering significant advantages over traditional weighing devices.
BRIEF DESCRIPTION OF THE DRAWINGS
The illustrated embodiments of the subject matter will be understood by reference to the drawings, wherein like parts are designated by like numerals throughout. The following description is intended only by way of example, and simply illustrates certain selected embodiments of devices, systems, and methods that are consistent with the subject matter as claimed herein, wherein:
FIGURE 1: SYSTEM ARCHITECTURE
The figures depict embodiments of the present subject matter for the purposes of illustration only. A person skilled in the art will easily recognize from the following description that alternative embodiments of the structures and methods illustrated herein may be employed without departing from the principles of the disclosure described herein.
DETAILED DESCRIPTION OF THE INVENTION
The detailed description of various exemplary embodiments of the disclosure is described herein with reference to the accompanying drawings. It should be noted that the embodiments are described herein in such details as to clearly communicate the disclosure. However, the amount of details provided herein is not intended to limit the anticipated variations of embodiments; on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the scope of the present disclosure as defined by the appended claims.
It is also to be understood that various arrangements may be devised that, although not explicitly described or shown herein, embody the principles of the present disclosure. Moreover, all statements herein reciting principles, aspects, and embodiments of the present disclosure, as well as specific examples, are intended to encompass equivalents thereof.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms “a",” “an” and “the” are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms “comprises,” “comprising,” “includes” and/or “including,” when used herein, specify the presence of stated features, integers, steps, operations, elements and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groups thereof.
It should also be noted that in some alternative implementations, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed concurrently or may sometimes be executed in the reverse order, depending upon the functionality/acts involved.
In addition, the descriptions of "first", "second", “third”, and the like in the present invention are used for the purpose of description only, and are not to be construed as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include at least one of the features, either explicitly or implicitly.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which example embodiments belong. It will be further understood that terms, e.g., those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
A weighing machine, also commonly known as a scale, is a device used to measure theweight or mass of an object. These machines are widely used in various industries, laboratories, households, and commercial settings for purposes such as monitoring personal health, measuring ingredients in cooking, ensuring accurate postage, and assessing the weight of goods in trade and manufacturing Modern balances have come a long way since the days of the knife-edge beam balance (which nevertheless still has important uses in the laboratory). Today's digital weighing scale is (or can be) a sophisticated weighing device complete with a suite of software to record and process the results achieved during weighing.
When the weight acts on Load cell it is observed by the HX711 module and Arduino uno represents the change of weight using the OLED display.As the working of product using Arduino is as shown in figure.
The present invention discloses a digital weighing scale that utilizes a load cell to sense weight, an HX711 module for analog-to-digital conversion, and an OLED display for presenting weight readings. The system leverages an Arduino Uno microcontroller to interface with these components, process weight data, and provide a user-friendly interface. The invention offers improved accuracy, real-time display, and potential for data logging and integration with other systems.
1. Weight Sensing:
o The load cell is positioned to receive the weight of an object placed on the scale.
o As weight is applied, the load cell generates a corresponding electrical signal proportional to the applied force.
2. Signal Conversion:
o The HX711 module receives the analog signal from the load cell.
o It amplifies and converts the analog signal into a digital format that the Arduino Uno can understand.
3. Data Processing and Display:
o The Arduino Uno reads the digital weight data from the HX711 module.
o It processes the data, applying any necessary calibration or unit conversions.
o The processed weight reading is then sent to the OLED display for presentation to the user.
4. User Interface (Optional):
o The momentary switch can be used to trigger functions like tare (zeroing the scale with a container on it) or calibration.
o The Arduino Uno handles the switch input and performs the corresponding actions.
The present invention discloses a digital weighing scale that utilizes a load cell, HX711 module, OLED display, and Arduino Uno to provide accurate and convenient weight measurements. The system's combination of components and software-driven functionality offers advantages over traditional weighing scales. The invention represents a valuable contribution to the field of weighing and measurement.
Present invention discloses a digital weighing scale system comprising: A load cell configured to sense the weight of an object placed on the scale and generate an analog electrical signal proportional to the applied force; An HX711 module operably connected to the load cell for receiving, amplifying, and converting the analog signal from the load cell into a digital signal; An Arduino Uno microcontroller interfaced with the HX711 module for reading the digital signal, processing the data, and applying calibration and unit conversions; An OLED display configured to receive and present the processed weight reading from the Arduino Uno to the user in real-time; wherein the Arduino Uno is programmed to perform calibration of the digital weighing scale, adjusting for accuracy based on predefined calibration factors; wherein system also having a momentary switch operatively connected to the Arduino Uno, allowing the user to trigger specific functions such as tare, zeroing the scale, or initiating a calibration sequence; characterized in that the load cell is configured to detect minute changes in weight and translate the applied force into an electrical signal that is proportional to the force exerted by the object.
In another embodiment, the HX711 module amplifies the analog signal from the load cell before converting it into a digital signal readable by the Arduino Uno.
In another embodiment, the Arduino Uno applies calibration data to the weight reading to improve measurement accuracy and converts the reading into desired units, such as grams, kilograms, or pounds, before sending it to the OLED display.
In another embodiment, the OLED display presents the weight reading in real-time, providing an accurate and responsive visual output to the user.
In another embodiment, further comprising data logging functionality wherein the Arduino Uno stores weight readings for future retrieval or integration with external systems via data communication interfaces such as USB or Bluetooth; wherein the digital weighing scale can be integrated with other systems for data analysis, such as inventory management or manufacturing processes, using wired or wireless communication protocols.
In another embodiment, the scale provides feedback to the user regarding system status or errors via the OLED display, such as indicating overload, calibration status, or battery levels.
In another embodiment, the momentary switch allows the user to select and execute specific weighing functions such as tare, unit switching, or zeroing the scale, with corresponding instructions handled by the Arduino Uno.
In another embodiment, the Arduino Uno processes the weight data at high speed, ensuring the real-time display of weight measurements without noticeable delay.
In another embodiment, comprising a power supply, wherein the system is operable on battery power or through a standard electrical outlet to provide flexible power options for various use environments; wherein the load cell, HX711 module, and OLED display are housed in a compact and durable enclosure, providing protection against environmental factors while maintaining ease of use.
In another embodiment, the Arduino Uno can be reprogrammed to adjust system functions or to interface with additional external sensors for expanded measurement capabilities.
, C , Claims:1. A digital weighing scale system comprising:
• A load cell configured to sense the weight of an object placed on the scale and generate an analog electrical signal proportional to the applied force;
• An HX711 module operably connected to the load cell for receiving, amplifying, and converting the analog signal from the load cell into a digital signal;
• An Arduino Uno microcontroller interfaced with the HX711 module for reading the digital signal, processing the data, and applying calibration and unit conversions;
• An OLED display configured to receive and present the processed weight reading from the Arduino Uno to the user in real-time;
wherein the Arduino Uno is programmed to perform calibration of the digital weighing scale, adjusting for accuracy based on predefined calibration factors;
wherein system also having a momentary switch operatively connected to the Arduino Uno, allowing the user to trigger specific functions such as tare, zeroing the scale, or initiating a calibration sequence;
characterized in that the load cell is configured to detect minute changes in weight and translate the applied force into an electrical signal that is proportional to the force exerted by the object.
2. The system as claimed in claim 1, wherein the HX711 module amplifies the analog signal from the load cell before converting it into a digital signal readable by the Arduino Uno.
3. The system as claimed in claim 1, wherein the Arduino Uno applies calibration data to the weight reading to improve measurement accuracy and converts the reading into desired units, such as grams, kilograms, or pounds, before sending it to the OLED display.
4. The system as claimed in claim 1, wherein the OLED display presents the weight reading in real-time, providing an accurate and responsive visual output to the user.
5. The system as claimed in claim 1, further comprising data logging functionality wherein the Arduino Uno stores weight readings for future retrieval or integration with external systems via data communication interfaces such as USB or Bluetooth; wherein the digital weighing scale can be integrated with other systems for data analysis, such as inventory management or manufacturing processes, using wired or wireless communication protocols.
6. The system of claim 1, wherein the scale provides feedback to the user regarding system status or errors via the OLED display, such as indicating overload, calibration status, or battery levels.
7. The system of claim 1, wherein the momentary switch allows the user to select and execute specific weighing functions such as tare, unit switching, or zeroing the scale, with corresponding instructions handled by the Arduino Uno.
8. The system of claim 1, wherein the Arduino Uno processes the weight data at high speed, ensuring the real-time display of weight measurements without noticeable delay.
9. The system of claim 1, further comprising a power supply, wherein the system is operable on battery power or through a standard electrical outlet to provide flexible power options for various use environments; wherein the load cell, HX711 module, and OLED display are housed in a compact and durable enclosure, providing protection against environmental factors while maintaining ease of use.
10. The system of claim 1, wherein the Arduino Uno can be reprogrammed to adjust system functions or to interface with additional external sensors for expanded measurement capabilities.