DESC:FIELD OF INVENTION
The present invention relates to an intelligent control system for HOOD & HOB for use in kitchen. More particularly, the present invention discloses a control system configured to Turn ON chimney automatically and sucks the fumes from the kitchen once Consumer Turn ON the HOB Knob since, this will work before generating the fumes and subsequently turned OFF automatically once consumer turn OFF the HOB knob after cooking

BACKGROUND ART

Generally, when a user cooks in a kitchen, the user is required to manually control the operation state of other kitchen appliances, viz a chimney / hood and the automation degree is low. The existing range hood generally comprises a machine body, a smoke collecting hood and a wind cabinet assembly; the smoke collecting hood and is connected with the bottom of the machine body and used for sucking oil smoke, the air cabinet assembly is located in the machine body and used for sucking the smoke collecting hood into the oil smoke exhausting machine body in the machine body and exhausting the oil smoke into a flue.

At present, smart range hood on the market can realize the interconnection function between the range hood and a cooker or can use a mobile phone to control the fan of the range hood. Many prior art literature aims to solve technical problem of providing a control method of a range hood based on multiple sensors. The control method of the range hood can automatically and intelligently adjust the fan according to the oil smoke environment condition in the kitchen environment and improves the oil smoke absorption effect. However, in the face of a complex oil smoke environment in a kitchen environment where the range hood is located, the existing intelligent range hood cannot accurately identify the oil smoke environment in the kitchen, and further, the output gear of the fan cannot be adjusted more accurately and automatically, so that the range hood is poor in oil smoke absorption effect in the kitchen.

Therefore, the current technology chimney teaches auto ON feature based on Temperature sensor/smoke sensor & Motion Sensor. Due the variety of fumes, temperature and its concertation time Chimney gets delayed its operation on needed time. In this case entire kitchen gets spilled with smokes which will deteriorate the consumer health condition if any child/aged person, the severity will be more based on their health.

Problem with current technology refer below,
Fume/Smoke sensor :
With respect to difference in food preparation methods & ingredients use lead to different fume properties. The available smoke sensor has the restriction to detect the different type of gases due to the changes in its density, oily, airborne content, etc. Over period this air borne, and oily gases blocks the sensor which will deteriorate its function of sensing capacity. And the location of fume senor to detect the fume, timing required to sense detect is another detection issue.

Temperature sensor:
Problem with temperature sensor need certain time to reach the specific temperature to Turn ON the product irrespective of this position sensor to detect. Meanwhile the entire room ruins with fumes and airborne, etc. along with the room temperature increase. Consumer also must bear the smoke and airborne till the appliance sucks.

Over period this air borne, and oily gases blocks the temperature sensor which will deteriorate its function of sensing capacity. And the location of temperature senor to detect the fume temperature which is time consuming process in detection.

Motion Sensor:
User must give input to the Hood to turn ON/OFF. Multi-times of activation to be given by the consumer both product in separate for Cook top as well as chimney.

In the prior art a Chinese specification CN106642267A discloses an automatic control method and device for range hood temperature data at a target area, as well as ambient sound data. The invention discloses an automatic control method and device for a range hood. The automatic control method comprises the following steps: acquiring temperature data at a target area, as well as ambient sound data; judging whether the temperature data are larger than or equal to a first preset threshold value and judging whether the ambient sound data meet preset conditions; starting up a blower and a headlamp of the range hood when the temperature data are larger than or equal to the first preset threshold value and the ambient sound data meet the preset conditions; and adjusting the rotational speed of the blower according to the ambient sound data.

In another prior art a Chinese specification CN103673008A discloses intelligent range hood and control method for same realized by a sound identification technology. The intelligent range hood includes casing, the blower fan apparatus being installed in this casing and controls described blower fan. The intelligence control system of device work, wherein said intelligence control system includes sound collection unit, for gathering the various sound near kitchen or range hood; acoustic recognition unit, for identifying whether have what cooking process produced in the sound that described sound collection unit obtains culinary art sound, and export corresponding indication signal; start control unit, the indication signal exported according to described acoustic recognition unit, correspondingly control the wind of range hood. The opening and closing of machine and culinary art voice output control unit, it is judged that the culinary art that cooking process produces lampblack absorber amount of smoke corresponding to sound is big Little, and export corresponding automatically controlled signal and power control unit, according to the operating power of the Fan Equipment of described automatically controlled signal regulation range hood.

SUMMARY OF INVENTION
In emerging world adding innovative feature will reduce the consumer effort and will maintained their health better manner from kitchen fumes and air borne from their kitchen. In kitchen, consumer will turn ON the Chimney/Hood when they perceive more fumes and air borne otherwise will lead to discomfort of the user (Cough, Respiration issue)

This Innovative MONO intelligent control system will Turn ON chimney automatically and sucks the fumes from the kitchen once Consumer Turn ON the HOB Knob since, this will work before generating the fumes. And the same will go OFF automatically once consumer turn OFF the HOB knob after cooking with time delay to throw all the air out from the kitchen completely.

Therefore such as herein described there is provided a control system for HOOD & HOB configured for switching chimney automatically comprising of a Hob including a Knob, Actuator, micro-switch & auto-Ignition Feature; a Chimney/Hood consist of Control unit, Motor and Blower range hood; wherein the control unit circuit is operably connected between said Hob and Chimney; wherein the said control unit of the said chimney / hood and hob is configured for single / mono switching and controls the switching of both hood and hob simultaneously.

BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWINGS
Fig 1 illustrates a convention way of using chimney / hood and hob / tablet/cooktop and innovative proposed design;

Fig 2 illustrates the working construction of components of chimney / hood and hob tablet in accordance with the present invention;

Fig 3 illustrates detailed working process of the innovation in accordance with the present invention;

Fig 4 illustrates a pictorial representation of Hood and Hob as separate appliances and there is no Physical connection between hood and hob in accordance with the present invention.

DETAILED DESCRIPTION
The technical scheme adopted by the invention for solving the above-mentioned complex technical problems is as follows: the intelligent control system of the chimney / hood and hob based on single / mono switching. As it is shown in figure 1, the present embodiment relates to a kind of intelligent intelligent control system for HOOD & HOB which controls the switching of both hood and hob simultaneously.

As shown in figure 2, the Hob consist of Knob, Actuator, micro-switch & auto-Ignition Feature and the Chimney/Hood consist of Control unit, Motor and Blower range hood. The range hood includes casing and is installed on this Blower fan apparatus in casing, blower fan apparatus realizes work under the driving of an intelligent control system.

As control unit circuit is connected between Hob and Chimney in above sequence. Knob coupled with actuator and micro-switch. This microswitch allows the power supply to chimney when Knob rotation takes place. To transfer power supply wiring harness connected from Hob to Chimney Control Panel. From said control unit Motor gets switching to run. Press down the knob to create auto-ignition and then rotation takes place in counter-clockwise. The actuator activate the micro-switch and the actuator continuously engaged with micro-switch. Whenever the continuous engagement occur mono switching allow to control unit. Control unit programmed to activate the chimney in time delay. After fire with certain time delay chimney will TURN ON automatically since such a manner chimney and HOB configured in single circuit. The Motor will start working before generate the fume’s generated in kitchen as shown in Fig 3.

The technical scheme can automatically start and adjust delay for the rotating fan according to the smoke concentration, so that the aim of automatically adjusting the air quantity of the range hood on the whole is fulfilled. The intelligent degree of this scheme is high, can effectively reduce user's operation, improves user's use and experiences. Moreover, the rotating speed is adjusted according to the smoke concentration, so that compared with manual adjustment of a user, the situation that the air volume is small when the amount of oil smoke is large does not occur, and the situation that the air volume is large when the amount of oil smoke is small does not occur; the oil fume suction effect is better, and the energy is more saved.

Further, the control module is further configured to calculate a plurality of continuously collected smoke concentration values within a first preset time, and calculate an average value of the plurality of obtained smoke concentration values, and the control module is further configured to match the average value with a plurality of preset control thresholds

After cooking to shut down the gas supply HOB knob will be rotated clockwise to back its original position. Hence actuator disengage from microswitch. Now this same feedback send to chimney control unit and this will TURN OFF the chimney with time delay.

As shown in Fig 3 and Fig 4, the Hood and Hob are separate appliances and there is no Physical connection between hood and hob. In an exemplary embodiment there is provided Smoke Sensor/Temperature sensor used for auto ON and will get activated only when Fumes intensity is more near the sensor area.

In another exemplary embodiment, the said intelligent control system can be connected with other equipment to form an internet of things, so that the smoke concentration value and the operation data are collected, a hood database is conveniently established subsequently, and data support is provided for subsequent data analysis based on the large database.

Inventive Step
Precise time of Operation – More Reliable
It will not blocked by any fumes/ oily gases
50% reduction in operation user effortless
Can be integrated in existing product by doing small design change.
Single contol for ON/OFF for HOB & Chimney
50% Cost Reduction from Smoke sensor method
Do Not required frequent maintenance unlike smoke sensor
Direct connection between Chimney and HOB
Single control Activation/deactivation for HOB & Chimney Operation.
Will activate the HOOD once HOB Knob turned ON and alongwith Time delay to utilize effectively
It activates chimney before Fumes generate unlike other concept will activate based on fume intensity and position & placement of sensor
Do not affect with any of fume/dust blocking unlike other concept
Do Not required frequent/periodic maintenance unlike smoke sensor
Avilable technology enables Chimney to TURN ON not for TURN OFF.

Many modifications may readily be contemplated by those skilled in the art to which the invention relates. Many further modifications may readily be contemplated. The description set out above is particularly applicable to high rate clarification applications. However, in conventional clarification where the upstream or downstream processes herein described are not used, the teachings according to the invention may have considerable merit and are also applicable. The specific embodiments described, therefore, should be taken as illustrative of the invention only and not as limiting its scope as defined herein.
,CLAIMS:

1. A control system for HOOD & HOB configured for switching chimney automatically comprising of :
a Hob including a Knob, Actuator, micro-switch & auto-Ignition Feature;
a Chimney/Hood consist of Control unit, Motor and Blower range hood;
wherein the control unit circuit is operably connected between said Hob/cooktop and Chimney;
wherein the said control unit of the said chimney / hood and hob is configured for single / mono switching and controls the switching of both hood and hob simultaneously.

2. The control system for HOOD & HOB as claimed in claim 1, wherein said range hood includes casing and is installed on a Blower fan apparatus in said casing; and
Wherein said blower fan apparatus realizes work under the driving of said control unit.

3. The control system for HOOD & HOB as claimed in claim 1, wherein said Knob coupled with actuator and micro-switch.

4. The control system for HOOD & HOB as claimed in claim 1, wherein said microswitch allows the power supply to chimney when Knob rotation takes place and transfer power supply wiring harness connected from Hob to Chimney Control Panel.

5. The control system for HOOD & HOB as claimed in claim 1, wherein said control unit is configured for switching the Motor to run.

6. The control system for HOOD & HOB as claimed in claim 1, wherein said actuator is configured to activate the micro-switch and the actuator continuously engaged with micro-switch whenever the continuous engagement occur mono switching allow to control unit.

7. The control system for HOOD & HOB as claimed in claim 1, wherein the said control unit is configured to activate the chimney in time delay.
8. The control system for HOOD & HOB as claimed in claim 1, wherein aid control circuit is configured to automatically start and adjust delay for the rotating fan according to the smoke concentration, thereby automatically adjusting the air quantity of the range hood on the whole.

9. The control system for HOOD & HOB as claimed in claim 1, wherein said control unit is further configured to calculate a plurality of continuously collected smoke concentration values within a first preset time, and calculate an average value of the plurality of obtained smoke concentration values, and the control module is further configured to match the average value with a plurality of preset control thresholds.

10. The control system for HOOD & HOB as claimed in claim 1, wherein after the fire in hob is ignited with certain time delay chimney gets TURN ON automatically in as said chimney and HOB configured with single circuit; and
wherein after cooking wherein the HOB knob is rotated for TURN OFF position, the actuator disengages from microswitch and the same feedback send to chimney control unit which TURN OFF the chimney with time delay.