CN2416403Y - Electric circuit apparatus for intelligent exhauster - Google Patents
Electric circuit apparatus for intelligent exhauster Download PDFInfo
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- CN2416403Y CN2416403Y CN 99258234 CN99258234U CN2416403Y CN 2416403 Y CN2416403 Y CN 2416403Y CN 99258234 CN99258234 CN 99258234 CN 99258234 U CN99258234 U CN 99258234U CN 2416403 Y CN2416403 Y CN 2416403Y
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Abstract
The utility model relates to a circuit device of an oil smoke ventilator. The utility model comprises a temperature sensor, an oil smoke sensor, a signal processing loop for the temperature sensor, a signal processing loop for an ultrasonic energy converter, a microcomputer control circuit, an output and display loop, a motor-driven circuit and a power circuit, wherein, the oil smoke sensor is used as the main part, the temperature sensor is used as the auxiliary part, the changes of oil smoke quantity and temperature values of the cooking environment are detected and used as input parameters of the microcomputer control circuit, and the microcomputer control circuit adjusts automatically a motor of the oil smoke ventilator to a proper rotation speed according to the theory of fuzzy control. Therefore, under the condition of usage of low pollution for the most part, the noise can be obviously reduced, the working environment of a kitchen can be comfortable, and the purposes of energy saving and operating humanization can be achieved.
Description
The utility model relates to a kind of smoke exhaust circuit arrangement.
General commercially available smoke exhaust all uses simple mechanical switch or electronic type key switch to control motor rotary speed, but the situation of rotating speed improper use takes place often, as still using maximum speed to operate when the low oil smoke amount, so not only noise is very big, even wastes energy.
Also have a kind of intelligent smoke exhaust circuit as shown in Figures 7 and 8, it comprises: sensing circuit 50 comprises temperature-sensitive sticker or OPTICAL SENSORS; Preposing signal process circuit 60 is accepted sensing circuit and is transmitted signal, sensing signal is amplified, filters, and be converted to the pattern that micro computer can receive; Microcomputer control circuit 70 is accepted preposing signal process circuit and is transmitted signal, sends into the micro computer data bank after the A/D conversion, obtains the result of interpretation action; Motor drive circuit 80 receives microcomputer control circuit signal control motor rotary speed; Commutation circuit 90 is switched in order to control; Each partly power circuit in circuit required voltage source is provided; By above-mentioned formation, can detect oil smoke and light transmittance at any time and change and adjust best motor rotary speed and exhaust air rate.
But above-mentioned circuit can not be detected the variation of cooking environment oil smoke amount, causes it when low oil smoke amount, still uses maximum speed to operate, cause noise greatly, the waste resource.
In view of above-mentioned, the purpose of this utility model provides and a kind ofly can detect the oil smoke amount of cooking environment and the variation of temperature value, smoke exhaust circuit arrangement as the input parameter of fuzzy controller, adjust the lampblack absorber motor rotary speed by this, in the hope of reducing noise content, saving the energy, reach full-automatic control purpose.
For reaching above-mentioned purpose, the utility model adopts following technological means:
A kind of intelligent smoke exhaust circuit arrangement is characterized in that it comprises:
The temperature sensor of one detecting variations in temperature;
The closed ultrasonic transducer of one detecting oil smoke amount;
One temperature-sensitive sticker signal treatment loop, it is connected in temperature sensor, will be amplified from the signal that temperature sensor senses, compensate and export;
One ultrasonic transducer signal treatment loop, it is connected in the ultrasonic transducer, and will amplify from the signal that the ultrasonic transducer receives and handle, and with noise filtering and output;
One microcomputer control circuit, it is connected to temperature-sensitive sticker signal treatment loop and ultrasonic transducer signal treatment loop, this microcomputer control circuit is accepted temperature-sensitive sticker signal treatment loop, ultrasonic transducer signal treatment loop transmits signal, through simulating to digital translation, send into the micro computer data bank, obtain the result of interpretation action;
One motor drive circuit, it is connected in microcomputer control circuit, receives the signal control motor rotary speed of microcomputer control circuit; And a power circuit, it provides the power for operation of each circuit unit;
By this, make when oil smoke generation just or the temperature rising just, can adjust extremely reasonably rotating speed of lampblack absorber motor automatically according to fuzzy control theory by microcomputer control circuit.
In addition; also can be connected an output and a show circuit between described microcomputer control circuit and the motor drive circuit; except that showing the lampblack absorber user mode, also can be used as the buffering interface of microcomputer control circuit and motor drive circuit, put barrier with the protection micro computer because of circuit and damaged.Described ultrasonic transducer is installed on the middle frame of lampblack absorber and pulls.
Advantage of the present utility model: can detect the oil smoke amount of cooking environment and the variation of temperature value, input parameter as fuzzy controller, adjust the lampblack absorber motor by this to suitable rotating speed, in the hope of reducing noise content, saving the energy, reach full-automatic control purpose, and the ultrasonic transducer can be installed on the outdoor equipment or dusty place.
Below in conjunction with drawings and Examples the utility model is elaborated:
Fig. 1 is a functional schematic of the present utility model;
Fig. 2 is the outside drawing of the utility model sensor in intelligent smoke exhaust;
Fig. 3 is a circuit block diagram of the present utility model;
Fig. 4 is the circuit diagram of the utility model sensing circuit, temperature-sensitive sticker signal treatment loop, ultrasonic transducer signal treatment loop, output and show circuit;
Fig. 5 is the circuit diagram of the utility model microcomputer control circuit;
Fig. 6 is the circuit diagram of the utility model power circuit and motor drive circuit;
Fig. 7,8 is the control system calcspar and the circuit block diagram of conventional wisdom type smoke exhaust.
See also Fig. 3.The utility model is a kind of intelligent smoke exhaust circuit arrangement, and it comprises a sensing circuit 1, a temperature-sensitive sticker signal treatment loop 21, a ultrasonic transducer signal treatment loop 22, a microcomputer control circuit 3, an output and unit such as show circuit 4, a motor drive circuit 5 and a power circuit 6; Wherein:
See also Fig. 6, power circuit 6 is by bridge rectifier BD1, voltage stabilizing IC U6 and U7, capacitor C 9-C15 ... connect to form Deng element, power circuit 6 is with input ac power rectification, voltage stabilizing, for the power for operation of each circuit component units.
See also Fig. 3, the temperature-sensitive sticker 11, one that is respectively equipped with a detecting variations in temperature in the sensing circuit 1 is detected the ultrasonic transducer (oil smoke sensor) 12 of the oil smoke amount of cooking environment, ultrasonic transducer 12 is hermetic type ultrasonic elements, can use and be installed on the outdoor equipment or dusty place, this ultrasonic transducer is the impact that the phenomenon of piezoelectricity of utilizing its physical characteristic to have is responded to hot-fluid, with the size of judging oil smoke and the variation of concentration.Temperature-sensitive sticker 11 is sealed conductor temperature sensing elements, carries out the measurement of temperature value, in order to the deficiency of auxiliary oil smoke sensor 12.
This ultrasonic transducer 12 is the medium frame plate center (seeing also Fig. 1,2) that is installed in lampblack absorber 7 in embodiment of the present utility model, because of being positioned at gas oven 8 tops, therefore can utilize it to detect the variable quantity of oil smoke in perception hot-fluid mode, and via filtering, amplification and A/D change-over circuit etc., it is inputed to micro processor, with the control motor rotary speed.When ultrasonic transducer 12 perceives hot-fluid when changing, have low-frequency voltage signal output, and the amplitude of this signal, slope are relevant with the variable quantity of hot-fluid.Via the noise more than the low pass filter filters out 7Hz, and do suitable analyzing and processing at the amplitude and the slope of signal, can do preliminary identification to the size of heat flow, when thermal current had tangible increment, the voltage signal of these ultrasonic transducer 12 outputs was also with its increase.
See also Fig. 4.Temperature-sensitive sticker signal treatment loop 21 is connected to form by elements such as IC U2A, U2B, resistance R 19-R22, R26, R27, and its input is connected in temperature-sensitive sticker 11.This temperature-sensitive sticker signal treatment loop 21 will be amplified from the signal that temperature-sensitive sticker 11 senses, be compensated, and output signal is delivered to microcomputer control circuit 3 will make calculation process.Ultrasonic transducer signal treatment loop 22 is by ICU1B, U1C, U1D, resistance R 8-R17, R28, capacitor C 4-C8, diode D1 ... connect to form Deng element, its input is connected in ultrasonic transducer 12.The signal that this ultrasonic transducer signal treatment loop 22 will receive from ultrasonic transducer 12 amplifies to be handled, and with the noise filtering of frequency more than 7Hz in case noise disturbs, and output signal be delivered to microcomputer control circuit 3 make calculation process.
See also Fig. 5, microcomputer control circuit 3 is connected to form by elements such as micro controller U4, IC U1A, resistance R 1, R23-R25, capacitor C 1-C3, quartz crystal X1, switch mode switch SW 2, SW4, gauge tap SW1, SW3, Zener diode ZD1, buzzer BZ.Be connected to the output of temperature-sensitive sticker signal treatment loop 21, a sound wave transducer signal treatment loop 22, and the output of this microcomputer control circuit 3 is connected in one by interface IC U3, light emitting diode L1-L7, resistance R 2-R8 ... Deng output and the show circuit 4 that element connects to form, the output of this output and show circuit 4 is connected in one by motor, relay R L1-RL5, capacitor C 16, auto-transformer TF1, bulb ... the motor drive circuit 5 (consulting Fig. 6) that connects to form Deng element.
Output and show circuit 4 also can be used as the buffering interface of microcomputer control circuit 3 and motor drive circuit 5 except showing lampblack absorber 7 user modes, avoid being damaged because of the partial circuit fault in order to the protection micro computer.Motor drive circuit 5 is accepted the signal controlling that microcomputer control circuit 3 is sent, and then changes motor rotary speed, and the illumination when providing the user to need light source is used.
Oil smoke is the hot-air with moisture content or oil content, this hot-air can impact the ultrasonic transducer 12 that is installed in below the lampblack absorber 7 when rising, the signal of ultrasonic transducer 12 can be sent to microcomputer control circuit 3 through ultrasonic transducer signal treatment loop 12 at this moment, this microcomputer control circuit 3 is again according to fuzzy control theory, as find that the oil smoke amount explodes suddenly or middle amount and when lasting, then draw high motor rotary speed immediately, so that oil smoke is discharged immediately, when the oil smoke quantitative change little and continue for some time after, then motor rotary speed is reduced to suitable rotating speed gradually, the simultaneous temperature sensing element is also constantly detected the variation of temperature state, use the control gimmick of absolute value and variable quantity, though make lampblack absorber 7 in few oil smoke amount, but keep minimum speed running under the situation that temperature still exists, so that hot-air or waste gas that gas combustion produced are discharged.
In sum, see through the improvement of the utility model circuit, can detect the oil smoke amount of cooking environment and the variation of temperature value, input parameter as fuzzy controller, adjust the lampblack absorber motor by this to suitable rotating speed,, save the energy in the hope of reducing noise content, reach full-automatic control purpose, and the ultrasonic transducer can be installed on the outdoor equipment or dusty place.
The above only is a preferable possible embodiments of the present utility model, non-so promptly arrest limit claim of the present utility model, so the equivalent structure that uses the utility model specification and accompanying drawing content to do such as changes, and all in like manner all is contained in the claim of the present utility model.
Claims (3)
1. intelligent smoke exhaust circuit arrangement is characterized in that it comprises:
The temperature sensor of one detecting variations in temperature;
The closed ultrasonic transducer of one detecting oil smoke amount;
One temperature-sensitive sticker signal treatment loop, it is connected in temperature sensor, will be amplified from the signal that temperature sensor senses, compensate and export;
One ultrasonic transducer signal treatment loop, it is connected in the ultrasonic transducer, and will amplify from the signal that the ultrasonic transducer receives and handle, and with noise filtering and output;
One microcomputer control circuit, it is connected to temperature-sensitive sticker signal treatment loop and ultrasonic transducer signal treatment loop, this microcomputer control circuit is accepted temperature-sensitive sticker signal treatment loop, ultrasonic transducer signal treatment loop transmits signal, through simulating to digital translation, send into the micro computer data bank, obtain the result of interpretation action;
One motor drive circuit, it is connected in microcomputer control circuit, receives the signal control motor rotary speed of microcomputer control circuit; And
One power circuit, it provides the power for operation of each circuit unit.
2. intelligent smoke exhaust circuit arrangement as claimed in claim 1 is characterized in that: be connected an output and a show circuit between described microcomputer control circuit and the motor drive circuit.
3. intelligent smoke exhaust circuit arrangement as claimed in claim 1 is characterized in that: described ultrasonic transducer is installed on the middle frame of lampblack absorber and pulls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99258234 CN2416403Y (en) | 1999-12-29 | 1999-12-29 | Electric circuit apparatus for intelligent exhauster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99258234 CN2416403Y (en) | 1999-12-29 | 1999-12-29 | Electric circuit apparatus for intelligent exhauster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2416403Y true CN2416403Y (en) | 2001-01-24 |
Family
ID=34040914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99258234 Expired - Fee Related CN2416403Y (en) | 1999-12-29 | 1999-12-29 | Electric circuit apparatus for intelligent exhauster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2416403Y (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963367A (en) * | 2010-07-27 | 2011-02-02 | 美的集团有限公司 | Motor output power control method of range hood |
| CN102359731A (en) * | 2011-10-08 | 2012-02-22 | 秦飞 | Range hood monitoring system with intelligent reminding and cooking safety protection functions |
| CN102374561A (en) * | 2010-08-17 | 2012-03-14 | 博西华电器（江苏）有限公司 | Extractor hood having flue gas automatic test device and control method for extractor hood |
| CN102374562A (en) * | 2010-08-17 | 2012-03-14 | 博西华电器（江苏）有限公司 | Range hood with automatic flue gas detection device |
| CN103629717A (en) * | 2013-11-22 | 2014-03-12 | 青岛海尔软件有限公司 | Self-adaptive control device of full-automatic range hood |
| CN104266242A (en) * | 2014-01-13 | 2015-01-07 | 浙江康纳电器有限公司 | Oil fume instantaneous change detection system and detection method |
| CN104541106A (en) * | 2012-08-02 | 2015-04-22 | Bsh博世和西门子家用电器有限公司 | Vapour extraction device and method for controlling a fan motor of a fan and for determining air cleaning effectiveness |
| CN104864431A (en) * | 2015-05-05 | 2015-08-26 | 浙江兰特电器有限公司 | Range hood having temperature sensing and pressurizing functions |
| CN106444876A (en) * | 2015-08-12 | 2017-02-22 | 台湾樱花股份有限公司 | Intelligent air circulation smoke ventilator monitoring system and monitoring method thereof |
| CN106482185A (en) * | 2016-10-28 | 2017-03-08 | 中国计量大学 | A kind of fuzzy intelligence switching device for lampblack absorber and fuzzy intelligence shifting control method |
| CN108240673A (en) * | 2016-12-27 | 2018-07-03 | 富士工业株式会社 | Smoke exhaust ventilator |
| CN108344012A (en) * | 2018-03-14 | 2018-07-31 | 三峡大学 | A kind of automatic control method of kitchen ventilator and system |
| CN111750462A (en) * | 2020-06-04 | 2020-10-09 | 华帝股份有限公司 | Control method of range hood air conditioner and range hood air conditioner |
| CN112902249A (en) * | 2021-01-27 | 2021-06-04 | 宁波方太厨具有限公司 | Smoke machine and smoke stove linkage method and system |
| CN112902248A (en) * | 2021-01-27 | 2021-06-04 | 宁波方太厨具有限公司 | Smoke stove linkage method, system, equipment and readable storage medium |
| CN112902247A (en) * | 2021-01-27 | 2021-06-04 | 宁波方太厨具有限公司 | Smoke stove linkage method, system, equipment and readable storage medium |
-
1999
- 1999-12-29 CN CN 99258234 patent/CN2416403Y/en not_active Expired - Fee Related
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963367A (en) * | 2010-07-27 | 2011-02-02 | 美的集团有限公司 | Motor output power control method of range hood |
| CN102374561A (en) * | 2010-08-17 | 2012-03-14 | 博西华电器（江苏）有限公司 | Extractor hood having flue gas automatic test device and control method for extractor hood |
| CN102374562A (en) * | 2010-08-17 | 2012-03-14 | 博西华电器（江苏）有限公司 | Range hood with automatic flue gas detection device |
| CN102374562B (en) * | 2010-08-17 | 2015-11-25 | 博西华电器（江苏）有限公司 | There is the range hood of automatic flue gas detection device |
| CN102374561B (en) * | 2010-08-17 | 2016-06-15 | 博西华电器（江苏）有限公司 | There is range hood and the control method thereof of automatic flue gas detection device |
| CN102359731A (en) * | 2011-10-08 | 2012-02-22 | 秦飞 | Range hood monitoring system with intelligent reminding and cooking safety protection functions |
| CN104541106A (en) * | 2012-08-02 | 2015-04-22 | Bsh博世和西门子家用电器有限公司 | Vapour extraction device and method for controlling a fan motor of a fan and for determining air cleaning effectiveness |
| CN103629717A (en) * | 2013-11-22 | 2014-03-12 | 青岛海尔软件有限公司 | Self-adaptive control device of full-automatic range hood |
| CN104266242B (en) * | 2014-01-13 | 2017-06-16 | 浙江康纳电器有限公司 | The instantaneous variation detecting system and detection method of a kind of oil smoke |
| CN104266242A (en) * | 2014-01-13 | 2015-01-07 | 浙江康纳电器有限公司 | Oil fume instantaneous change detection system and detection method |
| CN104864431A (en) * | 2015-05-05 | 2015-08-26 | 浙江兰特电器有限公司 | Range hood having temperature sensing and pressurizing functions |
| CN106444876A (en) * | 2015-08-12 | 2017-02-22 | 台湾樱花股份有限公司 | Intelligent air circulation smoke ventilator monitoring system and monitoring method thereof |
| CN106482185A (en) * | 2016-10-28 | 2017-03-08 | 中国计量大学 | A kind of fuzzy intelligence switching device for lampblack absorber and fuzzy intelligence shifting control method |
| CN106482185B (en) * | 2016-10-28 | 2019-11-15 | 中国计量大学 | A kind of fuzzy intelligence switching device for kitchen ventilator and fuzzy intelligence shifting control method |
| CN108240673A (en) * | 2016-12-27 | 2018-07-03 | 富士工业株式会社 | Smoke exhaust ventilator |
| CN108344012A (en) * | 2018-03-14 | 2018-07-31 | 三峡大学 | A kind of automatic control method of kitchen ventilator and system |
| CN108344012B (en) * | 2018-03-14 | 2019-06-21 | 三峡大学 | A kind of automatic control method of kitchen ventilator and system |
| CN111750462A (en) * | 2020-06-04 | 2020-10-09 | 华帝股份有限公司 | Control method of range hood air conditioner and range hood air conditioner |
| CN111750462B (en) * | 2020-06-04 | 2021-12-21 | 华帝股份有限公司 | Control method of range hood air conditioner and range hood air conditioner |
| CN112902249A (en) * | 2021-01-27 | 2021-06-04 | 宁波方太厨具有限公司 | Smoke machine and smoke stove linkage method and system |
| CN112902248A (en) * | 2021-01-27 | 2021-06-04 | 宁波方太厨具有限公司 | Smoke stove linkage method, system, equipment and readable storage medium |
| CN112902247A (en) * | 2021-01-27 | 2021-06-04 | 宁波方太厨具有限公司 | Smoke stove linkage method, system, equipment and readable storage medium |
| CN112902247B (en) * | 2021-01-27 | 2022-04-15 | 宁波方太厨具有限公司 | Smoke stove linkage method, system, equipment and readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |