CN201340001Y - Smoke exhaust ventilator capable of automatically adjusting air exhaust speed according to oil smoke concentration - Google Patents
Smoke exhaust ventilator capable of automatically adjusting air exhaust speed according to oil smoke concentration Download PDFInfo
- Publication number
- CN201340001Y CN201340001Y CNU200920000606XU CN200920000606U CN201340001Y CN 201340001 Y CN201340001 Y CN 201340001Y CN U200920000606X U CNU200920000606X U CN U200920000606XU CN 200920000606 U CN200920000606 U CN 200920000606U CN 201340001 Y CN201340001 Y CN 201340001Y
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- oil smoke
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- exhaust ventilator
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Abstract
The utility model relates to a smoke exhaust ventilator capable of automatically adjusting air exhaust speed according to oil smoke concentration, which comprises a smoke exhaust ventilator host machine and an oil smoke detection control device, wherein the oil smoke detection control device is mounted on the smoke exhaust ventilator host machine, and the oil smoke detection control device comprises a photoelectric detecting unit and a control circuit, the smoke exhaust ventilator host machine at least comprises an air exhaust device, the photoelectric detecting unit is connected with the control circuit, and the control circuit is connected with the air exhaust device. The utility model utilizes the principle that the absorption and reflection effects of oil smoke to light reduces light intensity, adopts a photoelectric detection method to measure the concentration of oil smoke, and converts the variation of oil smoke concentration into electric signals to output to the control circuit, and the control circuit adjusts the air exhaust speed of an air exhaust device, thereby achieving the purpose of automatically adjusting air exhaust speed according to the concentration of oil smoke, and the utility model has the advantages of saving electricity and labor, high oil smoke removing efficiency and low production cost.
Description
Technical field
The utility model relates to a kind of smoke exhaust ventilator, particularly relates to a kind of smoke exhaust ventilator that can regulate air draft speed according to oil smoke concentration automatically.
Background technology
Along with the raising of people's living standard, smoke exhaust ventilator has been a kind of very universal household electrical appliance now, and the oil smoke that produces when utilizing it can effectively remove culinary art keeps the clean environment in the kitchen.Existing smoke exhaust ventilator generally all is provided with several fixedly gears on machine shell panel, regulate the wind speed that smoke exhaust ventilator fan leaf produces manually, thereby changes the draft of smoke exhaust ventilator to oil smoke.Such design has brought some inconvenience to the user, when two hands of user are all occupied, just can not in time switch wind speed, the user carries out limited adjusting according to the impression of subjectivity simultaneously, and employed fixedly wind speed possibly can't be drained oil smoke only when oil smoke concentration is big; And oil smoke concentration hour employed fixedly wind speed might be excessive and be caused power wastage.In order to reach the purpose of automatic adjusting smoke exhaust ventilator draft, Chinese patent " the full-automatic smoke exhaust ventilator of a kind of magnetic suspension drum-type rotator type (ZL03206223.0) " provides a kind of technical scheme, it is provided with physics receptor and chemocepter, the speed that physics receptor perceive heat air-flow rises promotes the rotation of the floating rotor of magnetic separation, pass the signal along to microcomputer control system, make it open motor switch, a certain amount of if ascending air surpasses, can open the high speed rotating switch; And chemocepter is the gas concentration receptor, to the gas concentration sensitivity, makes its impression and produces electrical signal transfer to microcomputer controller when gas concentration meets or exceeds certain value, opens switch and bleeds.In this scheme, physics receptor impression be the speed of thermal current, the chemocepter impression be gas concentration, rather than the concentration of oil smoke itself, therefore, in the prior art also less than the smoke exhaust ventilator of the draft that automatically adjusts according to oil smoke concentration.
The utility model content
The purpose of this utility model provides a kind ofly can regulate the smoke exhaust ventilator air draft speed automatically according to oil smoke concentration, thereby can regulate the intelligent smoke exhaust ventilator of smoke exhaust ventilator draft automatically.
The technical solution of the utility model is: a kind of smoke exhaust ventilator of regulating air draft speed according to oil smoke concentration automatically, comprise the smoke exhaust ventilator main frame, the oil smoke detection control apparatus, the oil smoke detection control apparatus is installed on the smoke exhaust ventilator main frame, the oil smoke detection control apparatus comprises photodetector unit and control circuit, and the smoke pumping main frame comprises an extractor fan at least; Photodetector unit is connected with control circuit, and control circuit is connected with extractor fan.Photodetector unit utilizes photoelectric effect to detect oil smoke concentration, and this oil smoke concentration signal exported to control circuit, control circuit is exported to the curtage of exhaust equipment according to the power control of signal, thereby regulate the air draft speed of exhaust equipment, reach the purpose of regulating draft according to oil smoke concentration automatically.
Photodetector unit comprises optical transmitting set and photodetector at least, and a space is arranged between optical transmitting set and the photodetector, can enter described space from gas, drop and dust, the smog of surrounding environment.Optical transmitting set is launched the light beam of certain intensity, light beam passes oil smoke and arrives photodetector, because oil smoke is to the absorption and the reflection of light beam, the variation of oil smoke concentration that the variation of the light signal strength that photodetector receives is just corresponding, lower even when not having oil smoke when oil smoke concentration, less even the not decay of the decay of light beam, the optical signal that photodetector detects is just strong, otherwise, then the optical signal of photodetector just a little less than, and photodetector is the checkout gear according to the work of photoelectric effect principle, and it can be converted into the signal of telecommunication to detected light intensity signal.The position of optical transmitting set and photodetector is preferably mounted at the both sides of described exhaust equipment, and the photosurface that makes photo-detector is over against optical transmitting set, with the accuracy of guaranteeing to detect.
Light beam and photo-detector that described optical transmitting set produces are complementary on spectral characteristic.The light frequency that is adopted can be selected in a very wide scope, such as the infrared light of a certain frequency, or the visible light of certain color, or the ultraviolet light of a certain frequency etc.Just require light source and photodetector to mate, for example, if adopt infrared band, light source just should be used infrared lamp so, and photodetector just should be used Infrared Detectors, and other band classes seemingly.
Optical transmitting set can be continuous output type or pulse output type optical transmitting set.That is to say that the light that optical transmitting set sends can be continuous output, also can be pulsed output.If adopt pulse output, output frequency can not be too low so, otherwise might influence the speed that wind speed is regulated.
Photodetector unit can also comprise an amplifying circuit, and amplifying circuit one end is connected with photodetector, and an end is connected with control circuit.Amplifying circuit can amplify the signal of telecommunication of photodetector output, and the amplitude of detection signal and the control circuit of back are adapted.Amplifying circuit can be selected in the prior art fully, but it should be complementary with photodetector, multiplication factor also to regulate the control circuit of suitable back.
Described control circuit is according to the signal strength signal intensity of photodetector unit output, the air draft speed of control exhaust equipment, when oil smoke concentration big, when the signal strength signal intensity of photodetector unit output is weak, control circuit should make the curtage of exporting to exhaust equipment strengthen, thereby the air draft speed of exhaust equipment is accelerated, and draft increases; When oil smoke concentration is little, when the signal strength signal intensity of photodetector unit output was strong, control circuit should make the curtage of exporting to exhaust equipment reduce, thereby the air draft speed of exhaust equipment is reduced, and draft reduces.Therefore, control circuit should make the running power of described exhaust equipment and the output valve of photodetection unit keep the monotone decreasing functional relation.
Described monotone decreasing functional relation has number of different types to select, but (form v) is a reasonable selection, and P is the running power of air exhauster in the formula, and v is the output valve of photodetection unit to adopt P=b-af, a and b are positive constant coefficients, and f (v) represents the monotonic increasing function about v; Wherein representational f (functional form v) has: f (v)=and v or f (v)=lnv.The initial value of a and b is determined by the maximum output valve of photodetection unit and the rated power of minimum output valve and exhaust equipment.The control circuit of realizing above-mentioned monotone decreasing functional relation has multiple solution in the prior art, can be selected according to actual conditions.
Above-mentioned exhaust equipment can be motor-driven air exhauster or exhaust fan.
For the use that makes smoke exhaust ventilator more convenient, can also comprise a manual adjusting device in the control circuit, described manual regulating device comprises that at least two are regulated device, regulate described monotone decreasing functional relation P=b-af (constant coefficient a v) and the size of b respectively, input to the curtage intensity of exhaust equipment with change, obtain the air draft speed that the user needs.Think that such as the user air draft speed is normal when oil smoke concentration is low, but oil smoke concentration when big air draft speed on the low side, then can be by suitably turning a down and/or transferring big b to revise; The user thinks that air draft speed is normal when oil smoke concentration is big, but oil smoke concentration when low air draft speed higher, then can be by suitably transferring big a and/or turning b down and revise; Air draft speed was all on the low side when the user thought that oil smoke concentration is no matter low or higher, then can revise by transferring big b; Air draft speed was all higher when the user thought that oil smoke concentration is no matter low or higher, then can revise by turning b down.
Smoke exhaust ventilator of the present utility model can not take place on the basis of great change in existing smoke exhaust ventilator structure, by increasing photodetection unit and control circuit, utilize oil smoke to the absorption of light and reflection effect and cause the principle of light intensity decays, adopt photoelectric detecting method to measure oil smoke concentration, and the variation of oil smoke concentration is converted to the signal of telecommunication exports to control circuit, control circuit is regulated the air draft speed of exhaust equipment according to the variation of oil smoke concentration, thereby the purpose that realization is regulated air draft speed automatically according to oil smoke concentration, also can add manual regulating device simultaneously, the user can select the manual adjustment air draft speed, has electricity-saving labor-saving, oil smoke is got rid of the efficient height, the advantage that cost is low.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 of the present utility model;
Fig. 2 is the structural representation of embodiment 2 of the present utility model.
The specific embodiment
A kind of smoke exhaust ventilator that can regulate the smoke exhaust ventilator air draft speed according to oil smoke concentration automatically, comprise smoke exhaust ventilator main frame 1, the oil smoke detection control apparatus, the oil smoke detection control apparatus is installed on the smoke exhaust ventilator main frame 1, the oil smoke detection control apparatus comprises photodetector unit 2 and control circuit 3, and smoke pumping main frame 1 comprises a motor-driven air exhauster 11 at least; Photodetector unit 2 is connected with control circuit 3, and control circuit 3 is connected with air exhauster 11.
Wherein photodetector unit 2 comprises optical transmitting set 21, photodetector 22, the amplifying circuit 23 that is complementary with multiplication factor and photodetector 22, one space 4 is arranged between optical transmitting set 21 and the photodetector 22, oil smoke 5 passes this space 4 and arrives air exhauster 11, and light beam A and photodetector 22 that optical transmitting set 21 produces are complementary on spectral characteristic; Photodetector 22 is connected with amplifying circuit 23, the light beam A that optical transmitting set 21 produces is passed smog 5 and is arrived photodetector 22, photodetector 22 is converted into the signal of telecommunication according to photoelectric effect with luminous intensity, again through the amplification of amplifying circuit 23, obtains the output valve v of photodetector unit 2.
Manual regulating device 6 comprises that at least two are regulated device, and one of them is regulated device and regulates constant coefficient a, and another is regulated device and regulates constant coefficient b, and the user can regulate the air draft speed of air exhauster 11 as required.
Above embodiment is for more detailed description the utility model, but protection domain of the present utility model is not limited thereto.
Claims (4)
1. smoke exhaust ventilator of regulating air draft speed according to oil smoke concentration automatically, comprise the smoke exhaust ventilator main frame, it is characterized in that also comprising the oil smoke detection control apparatus, the oil smoke detection control apparatus is installed on the smoke exhaust ventilator main frame, the oil smoke detection control apparatus comprises photodetector unit and control circuit, and the smoke pumping main frame comprises an extractor fan at least; Photodetector unit is connected with control circuit, and control circuit is connected with extractor fan.
2. smoke exhaust ventilator according to claim 1, it is characterized in that described photodetector unit comprises optical transmitting set and photodetector at least, one space is arranged between optical transmitting set and the photodetector, can enter described space from gas, drop and dust, the smog of surrounding environment.
3. smoke exhaust ventilator according to claim 2 is characterized in that described photodetector unit also comprises amplifying circuit, and amplifying circuit one end is connected with photodetector, and an end is connected with control circuit.
4. according to each described smoke exhaust ventilator of claim 1 to 3, it is characterized in that also comprising in the control circuit a manual adjusting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920000606XU CN201340001Y (en) | 2009-01-08 | 2009-01-08 | Smoke exhaust ventilator capable of automatically adjusting air exhaust speed according to oil smoke concentration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920000606XU CN201340001Y (en) | 2009-01-08 | 2009-01-08 | Smoke exhaust ventilator capable of automatically adjusting air exhaust speed according to oil smoke concentration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201340001Y true CN201340001Y (en) | 2009-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200920000606XU Expired - Fee Related CN201340001Y (en) | 2009-01-08 | 2009-01-08 | Smoke exhaust ventilator capable of automatically adjusting air exhaust speed according to oil smoke concentration |
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|---|---|
| CN (1) | CN201340001Y (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116736A (en) * | 2011-01-25 | 2011-07-06 | 广州正虹科技发展有限公司 | Oil fume concentration detection system and method |
| CN102200312A (en) * | 2011-05-23 | 2011-09-28 | 杨志龙 | Novel ventilation device |
| 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 |
| CN102538046A (en) * | 2012-02-17 | 2012-07-04 | 宁波方太厨具有限公司 | Range hood capable of self-adaptively regulating rotating speed of fan |
| CN102635888A (en) * | 2012-05-09 | 2012-08-15 | 浙江苏泊尔家电制造有限公司 | Wind adjustment method for range hood |
| CN103175241A (en) * | 2013-04-07 | 2013-06-26 | 无锡市崇安区科技创业服务中心 | Wind speed controlling system for range hood |
| CN103512066A (en) * | 2012-06-29 | 2014-01-15 | 太仓南极风能源设备有限公司 | Automatic speed-regulating exhaust 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 |
| CN104849242A (en) * | 2015-06-09 | 2015-08-19 | 广东美的厨房电器制造有限公司 | Smoke quantity detection device and range hood |
| CN104984974A (en) * | 2015-07-13 | 2015-10-21 | 江苏理工学院 | Novel automatic pump drainage system of portable automobile exhaust |
| CN105299719A (en) * | 2014-08-01 | 2016-02-03 | 青岛海尔智能技术研发有限公司 | Smoke exhauster as well as smoke detection method and wind speed adjusting method thereof |
| CN105351991A (en) * | 2015-12-01 | 2016-02-24 | 宁波方太厨具有限公司 | Monitoring device for oil fume sucking state of range hood and monitoring method for monitoring device |
| CN106152211A (en) * | 2016-03-29 | 2016-11-23 | 宁波方太厨具有限公司 | A kind of real-time oil smoke concentration monitoring system and application have the lampblack absorber of this system |
| CN107514664A (en) * | 2017-09-03 | 2017-12-26 | 吴联凯 | A kind of lampblack absorber and its control method with positive-pressure type mist detecting device |
| CN107860045A (en) * | 2017-12-24 | 2018-03-30 | 孙铭禧 | Smoke exhaust ventilator and its control method |
| CN109916855A (en) * | 2017-12-13 | 2019-06-21 | 宁波方太厨具有限公司 | The data processing method of oil smoke sensor |
-
2009
- 2009-01-08 CN CNU200920000606XU patent/CN201340001Y/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN102116736A (en) * | 2011-01-25 | 2011-07-06 | 广州正虹科技发展有限公司 | Oil fume concentration detection system and method |
| CN102200312A (en) * | 2011-05-23 | 2011-09-28 | 杨志龙 | Novel ventilation device |
| CN102538046A (en) * | 2012-02-17 | 2012-07-04 | 宁波方太厨具有限公司 | Range hood capable of self-adaptively regulating rotating speed of fan |
| CN102538046B (en) * | 2012-02-17 | 2015-04-01 | 宁波方太厨具有限公司 | Range hood capable of self-adaptively regulating rotating speed of fan |
| CN102635888A (en) * | 2012-05-09 | 2012-08-15 | 浙江苏泊尔家电制造有限公司 | Wind adjustment method for range hood |
| CN102635888B (en) * | 2012-05-09 | 2014-06-04 | 浙江苏泊尔家电制造有限公司 | Wind adjustment method for range hood |
| CN103512066A (en) * | 2012-06-29 | 2014-01-15 | 太仓南极风能源设备有限公司 | Automatic speed-regulating exhaust hood |
| CN103175241A (en) * | 2013-04-07 | 2013-06-26 | 无锡市崇安区科技创业服务中心 | Wind speed controlling system for 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 |
| 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 |
| CN105299719A (en) * | 2014-08-01 | 2016-02-03 | 青岛海尔智能技术研发有限公司 | Smoke exhauster as well as smoke detection method and wind speed adjusting method thereof |
| CN105318384A (en) * | 2014-08-01 | 2016-02-10 | 青岛海尔智能技术研发有限公司 | Range hood and wind speed regulating system and method thereof |
| CN104849242A (en) * | 2015-06-09 | 2015-08-19 | 广东美的厨房电器制造有限公司 | Smoke quantity detection device and range hood |
| CN104984974A (en) * | 2015-07-13 | 2015-10-21 | 江苏理工学院 | Novel automatic pump drainage system of portable automobile exhaust |
| CN105351991A (en) * | 2015-12-01 | 2016-02-24 | 宁波方太厨具有限公司 | Monitoring device for oil fume sucking state of range hood and monitoring method for monitoring device |
| CN106152211A (en) * | 2016-03-29 | 2016-11-23 | 宁波方太厨具有限公司 | A kind of real-time oil smoke concentration monitoring system and application have the lampblack absorber of this system |
| CN106152211B (en) * | 2016-03-29 | 2019-02-15 | 宁波方太厨具有限公司 | A kind of real-time oil smoke concentration monitoring system and application have the kitchen ventilator of the system |
| CN107514664A (en) * | 2017-09-03 | 2017-12-26 | 吴联凯 | A kind of lampblack absorber and its control method with positive-pressure type mist detecting device |
| CN107514664B (en) * | 2017-09-03 | 2019-03-12 | 吴联凯 | A kind of kitchen ventilator and its control method with positive-pressure type mist detecting device |
| CN109916855A (en) * | 2017-12-13 | 2019-06-21 | 宁波方太厨具有限公司 | The data processing method of oil smoke sensor |
| CN109916855B (en) * | 2017-12-13 | 2021-08-20 | 宁波方太厨具有限公司 | Data processing method of oil smoke sensor |
| CN107860045A (en) * | 2017-12-24 | 2018-03-30 | 孙铭禧 | Smoke exhaust ventilator and its control method |
| CN107860045B (en) * | 2017-12-24 | 2019-12-27 | 孙铭禧 | Range hood and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091104 Termination date: 20130108 |