CN103353137A - Range hood with air regulation function - Google Patents
Range hood with air regulation function Download PDFInfo
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- CN103353137A CN103353137A CN2013102740561A CN201310274056A CN103353137A CN 103353137 A CN103353137 A CN 103353137A CN 2013102740561 A CN2013102740561 A CN 2013102740561A CN 201310274056 A CN201310274056 A CN 201310274056A CN 103353137 A CN103353137 A CN 103353137A
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- range hood
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- air inlet
- oil smoke
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Abstract
The invention discloses a range hood with an air regulation function. The range hood comprises a body, a sensor group, an air channel, an operation panel, a controller, a direct current motor and fan blades, wherein the air channel, the operation panel, the controller, the direct current motor and the fan blades are installed on the body. The range hood is characterized in that the sensor group is arranged, the controller comprises a central processor, the sensor group is installed at an air inlet, detects oil smoke and vapor concentrations at the air inlet during operation of the range hood and feeds back the oil smoke and vapor concentrations to the central processor, and the central processor carries out integrated computation so as to obtain an air volume value and controls the revolving speed of the direct current motor. The range hood provided by the invention overcomes the problem that a conventional range hood cannot integratedly handle influence of a kitchen environment and shared flues on oil smoke absorption effects and has the advantages of noise reduction, energy conservation and environment friendliness.
Description
Technical field
The present invention relates to the range hood field, especially a kind of range hood with automatic adjusting air quantity function.
Background technology
In the prior art, range hood generally only arranges two grades or third gear air quantity key, and after motor speed set, motor can be according to actual kitchen environment or cooking method, regulate range hood air quantity and blast, it is adapted at any time and be in the most reasonable duty.The air quantity that for example needs when boiling and quick-fried is different, does not generally need very high air quantity during boiling, will cause unnecessary waste of energy if open the maximum speed shelves when boiling.The oil smoke or the steam that often produce in cooking process change at any time, existing range hood can initiatively not go to detect this variation, and at any time regulating electric machine rotating speed change air quantity is deacclimatized, and can only manually go continuous switching by button, this inconvenience very, also not energy-conserving and environment-protective.Be 201210036643.2 referring to application number, name of patent application is the specification of " but lampblack absorber that the rotation speed of fan self adaptation is regulated ", it can only be according to the resistance situation of air outlet, remove regulating electric machine rotating speed compensation air quantity, and do not go to adjust motor output according to oil smoke, the vapour concentration of air inlet, there are not other producers can consider kitchen environment, cooking method and common flue to the problem of the impact of blower fan yet.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, provide a kind of rational in infrastructure, have automatic detection kitchen environment, cooking method and airflow pressure and regulate the range hood of airflow pressure, solved and to consider kitchen environment and common flue in the current product to the problem of the impact of smoke absorption effect.
The present invention solves the technical scheme that its technical problem adopts: this range hood with air quantity regulatory function, comprise body, the sensor group, the air channel, guidance panel, controller, direct current generator and fan blade, described air channel, guidance panel, controller, direct current generator and fan blade are installed on the body, it is characterized in that also being provided with the sensor group, described controller comprises central processing unit, described sensor group is installed in the air inlet place, oil smoke and the vapour concentration at air inlet place and feed back to central processing unit when the sensor group detects range hood work are obtained airflow value and are controlled the rotating speed of direct current generator by central processing unit after COMPREHENSIVE CALCULATING.
Controller of the present invention also is provided with direct current generator inverse electromotive force detection module, and direct current generator inverse electromotive force detection module detects the real-time current signal of direct current generator and feeds back to central processing unit.
Sensor group of the present invention comprises air inlet oil smoke sensor, air inlet moisture sensor, and air inlet oil smoke sensor is used for detecting the oil smoke concentration of air inlet, and the air inlet moisture sensor is used for detecting the vapour concentration of air inlet.
If in the range hood course of work, steam or oil smoke concentration in the kitchen change, and the sensor group at air inlet place sends to central processing unit with the signal that collects, and central processing unit is adjusted dc motor speed according to the variation of concentration as calculated.
Equally, if in the range hood course of work, because common flue stops up or air outlet narrows down, to such an extent as to air-flow does not freely cause the air outlet static pressure to increase, air quantity reduces, and the fan blade resistance becomes large acting and reduces, and the real-time current signal that direct current generator inverse electromotive force detection module collects changes, calculate motor torque and diminish, thereby variation has occured in the perception ducting system.In order to keep smoke absorption effect, controller carries out compensated torque at once, make motor keep constant torque output constant, at this moment dc motor speed rises, the fan blade working power promotes, and air quantity strengthens, and substantially is increased to the air quantity state before the air channel is stopped up, thereby the permanent wind dose-effect that obtains being similar to fruit guarantees that smoke absorption effect is unaffected.
The present invention compared with prior art, have the following advantages and effect: carry out complete detection for kitchen environment and common flue, when the air pressure change of kitchen environment or common flue, central processing unit carries out COMPREHENSIVE CALCULATING according to the signal that receives to be processed, and the control direct current generator increases or reduces power output, corresponding increase or reduction rotating speed, thus can guarantee can accomplish energy-conserving and environment-protective again to the compensation of loss air quantity.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention.
Fig. 2 is the side view of the embodiment of the invention.
Fig. 3 is the major control schematic flow sheet of the embodiment of the invention.
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing and by embodiment, and following examples are explanation of the invention and the present invention is not limited to following examples.
Referring to Fig. 1～Fig. 3, the present embodiment comprises body 1, air inlet 2, air channel 3, guidance panel 4, controller 5, fan blade 6, direct current generator 7, the air outlet 9 of prior art, its design feature is that controller 5 is provided with direct current generator inverse electromotive force detection module, and air inlet 2 places are provided with sensor group 8.
The described sensor group 8 of the present embodiment comprises air inlet oil smoke sensor, air inlet moisture sensor.Air inlet oil smoke installation of sensors is used for detecting the oil smoke concentration of air inlet 2 at air inlet 2 places, the air inlet moisture sensor is installed in the vapour concentration that air inlet 2 places are used for detecting air inlet 2.
After the user presses blower fan initiate key on the guidance panel 4, the fume-exhausting chance is pressed the rotation speed of fan work of initial setting, the sensor group 8 that is contained in air inlet of kitchen ventilator 2 places after 1 minute begins to detect current range hood running status and (comprises oil smoke concentration in the kitchen, vapour concentration, can be according to oil smoke concentration, vapour concentration is judged the current cooking method that adopts), and be converted into data and be input to controller 5, simultaneously, direct current generator inverse electromotive force detection module on the controller 5 detects the real-time current signal of direct current generator 7 and the signal that detects is converted into data and passes to controller 5, central processing unit on the controller 5 draws rational airflow value (or offset) and controls the rotating speed of direct current generator 7 (output signal is regulated direct current generator 7 drive currents or rotating speed, and the current rotating speed of direct current generator 7 is presented on the display unit of guidance panel 4) after COMPREHENSIVE CALCULATING.
Described central processing unit after COMPREHENSIVE CALCULATING, draw rational airflow value refer to central processing unit in the future data and the range hood initial setting scope sent here of autobiography sensor group 8 and direct current generator inverse electromotive force detection module to compare respectively (be the oil smoke concentration of sensor group 8 collections, the oil smoke concentration of vapour concentration data and range hood, vapour concentration initial setting scope compares respectively, data and range hood direct current generator inverse electromotive force initial setting scope that direct current generator inverse electromotive force detection module detects compare), to carrying out respective handling (namely determining appropriate airflow value, namely appropriate direct current generator 7 drive currents or rotating speed) after the judgement of range hood running status.
Of the present invention carry out after the range hood running status is judged respective handling refer to when oil smoke concentration or vapour concentration exceed the initial setting scope according to oil smoke concentration or vapour concentration detected value depart from the initial setting scope bias (size) calculating air quantity compensation rate and adjust current airflow value; The bias (size) that departs from the initial setting scope according to the direct current generator inverse electromotive force when direct current generator inverse electromotive force detected value exceeds the initial setting scope is calculated the compensation rate of air quantity and is adjusted current airflow value.
The initial setting scope of the described range hood of the embodiment of the invention refers to this model range hood oil smoke concentration, vapour concentration, standard figures scope that the direct current generator inverse electromotive force is corresponding when a certain duty, can determine by detection statistics according to actual conditions.
When air channel 3 exhaust situations change (the direct current generator inverse electromotive force exceeds range hood initial setting scope), because thereby resistance increment is can't provide the most rational air quantity the time, direct current generator inverse electromotive force detection module on the controller 5 will monitor this variation, and feed back to the central processing unit of controller 5, central processing unit is through computing, draw reasonable air quantity compensation rate, then operation result is passed to direct current generator 7 again, direct current generator 7 is accomplished the substantially constant of air quantity by improving rotating speed, referring to Fig. 3.Owing to not needing air outlet sensor, this mode to save cost and not fragile.
Equally, steam, oil smoke concentration in the kitchen change, the sensor group 8 at air inlet 2 places sends to central processing unit with the signal that collects, central processing unit is adjusted direct current generator 7 rotating speeds (acceleration or deceleration) to keep rational air quantity, referring to Fig. 3 as calculated according to the variation of vapour concentration or oil smoke concentration.
Except above situation, be exactly that oil smoke concentration, vapour concentration normal (being that oil smoke, vapour concentration are all in the initial setting scope) in the kitchen and direct current generator inverse electromotive force are all in the initial setting scope time, it is constant that keep the range hood air quantity this moment, i.e. uncomfortable straightening stream motor 7 rotating speeds.
This range hood with kitchen environment detection and airflow pressure feedback function of the present invention, all the time make range hood be in the most rational duty, adjust air quantity by the real-time speed change of motor and satisfy oil smoke surroundings in current cooking method and the kitchen, can play energy-conservation purpose.When adopt producing the relatively less cooking method of oil smoke amount, reduce direct current generator 7 rotating speeds, thereby reduce noise, give quiet comfortable kitchen environment of user, when oil smoke becomes large or ambient pressure when becoming large, promote direct current generator 7 rotating speeds.
The present invention has overcome the unilateral problem of prior art Consideration, has taken into full account the various factors that may affect the smoke pumping effect, by the various signal datas of central controller integrated treatment, so that the equipment effect is more intelligent, and also more energy-conserving and environment-protective.It needs to be noted, the data processing technique of the various signal datas of central controller integrated treatment is that those skilled in the art can know, but never the people expects and sensor group 8 signals and the direct current generator inverse electromotive force detection module detection signal of air inlet 2 can be integrated consideration, this inventive concept that also to be present patent application create through long-term market survey and production practices, and obtained aborning better technique effect.
Above content described in this specification only is to structure example of the present invention explanation.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (3)
1. range hood with air quantity regulatory function, comprise body, the sensor group, the air channel, guidance panel, controller, direct current generator and fan blade, described air channel, guidance panel, controller, direct current generator and fan blade are installed on the body, it is characterized in that: also be provided with the sensor group, described controller comprises central processing unit, described sensor group is installed in the air inlet place, oil smoke and the vapour concentration at air inlet place and feed back to central processing unit when the sensor group detects range hood work are obtained airflow value and are controlled the rotating speed of direct current generator by central processing unit after COMPREHENSIVE CALCULATING.
2. the range hood with air quantity regulatory function according to claim 1, it is characterized in that: described controller also is provided with direct current generator inverse electromotive force detection module, and direct current generator inverse electromotive force detection module detects the real-time current signal of direct current generator and feeds back to central processing unit.
3. the range hood with air quantity regulatory function according to claim 1 and 2, it is characterized in that: described sensor group comprises air inlet oil smoke sensor, air inlet moisture sensor, air inlet oil smoke sensor is used for detecting the oil smoke concentration of air inlet, and the air inlet moisture sensor is used for detecting the vapour concentration of air inlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310274056.1A CN103353137B (en) | 2013-07-02 | 2013-07-02 | A kind of range hood with air quantity regulatory function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310274056.1A CN103353137B (en) | 2013-07-02 | 2013-07-02 | A kind of range hood with air quantity regulatory function |
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| CN103353137A true CN103353137A (en) | 2013-10-16 |
| CN103353137B CN103353137B (en) | 2015-12-23 |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629718A (en) * | 2013-12-12 | 2014-03-12 | 李永彬 | Automatic air volume adjustment oil smoke purifier for shared flue |
| CN103836692A (en) * | 2014-02-28 | 2014-06-04 | 广东威灵电机制造有限公司 | Range hood, and method and system for monitoring air volume of range hood |
| CN105066209A (en) * | 2015-08-17 | 2015-11-18 | 广东美的厨房电器制造有限公司 | Hood system and control method thereof |
| CN105465860A (en) * | 2015-12-25 | 2016-04-06 | 宁波方太厨具有限公司 | Actual flow measuring device of extractor hood and measuring method of actual flow measuring device |
| CN106051860A (en) * | 2016-06-22 | 2016-10-26 | 无锡昊瑜节能环保设备有限公司 | Energy-saving soot absorber |
| CN106051864A (en) * | 2016-07-19 | 2016-10-26 | 珠海格力电器股份有限公司 | Control device of range hood, range hood and control method of range hood |
| CN107420953A (en) * | 2017-07-05 | 2017-12-01 | 珠海格力电器股份有限公司 | Range hood control method and control device |
| CN108087336A (en) * | 2017-07-28 | 2018-05-29 | 宁波方太厨具有限公司 | A kind of centrifugal blower and application have the range hood of the centrifugal blower |
| CN109114608A (en) * | 2017-06-26 | 2019-01-01 | 博西华电器（江苏）有限公司 | Control method and kitchen ventilator for kitchen ventilator |
| CN110186089A (en) * | 2019-05-19 | 2019-08-30 | 宁波方太厨具有限公司 | A kind of series connection two fans type range hood and its flow control methods |
| CN110220232A (en) * | 2019-07-17 | 2019-09-10 | 宁波奥克斯电气股份有限公司 | A kind of control method and range hood of range hood wind speed gear |
| CN110906399A (en) * | 2019-11-26 | 2020-03-24 | 珠海格力电器股份有限公司 | Range hood control method and device and range hood |
| CN112066430A (en) * | 2020-07-28 | 2020-12-11 | 青岛海尔智慧厨房电器有限公司 | Range hood control method and device, readable storage medium and range hood |
| CN113154480A (en) * | 2020-01-06 | 2021-07-23 | 宁波方太厨具有限公司 | Fume exhaust fan |
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| CN102269440A (en) * | 2011-08-17 | 2011-12-07 | 广东奥特龙电器制造有限公司 | Intelligent self-control frequency-variable kitchen ventilator |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629718B (en) * | 2013-12-12 | 2016-02-17 | 李永彬 | Common flue regulates air quantity cooking fume remover automatically |
| CN103629718A (en) * | 2013-12-12 | 2014-03-12 | 李永彬 | Automatic air volume adjustment oil smoke purifier for shared flue |
| CN103836692A (en) * | 2014-02-28 | 2014-06-04 | 广东威灵电机制造有限公司 | Range hood, and method and system for monitoring air volume of range hood |
| CN103836692B (en) * | 2014-02-28 | 2017-08-15 | 广东威灵电机制造有限公司 | Lampblack absorber and its air quantity monitoring method and system |
| CN105066209A (en) * | 2015-08-17 | 2015-11-18 | 广东美的厨房电器制造有限公司 | Hood system and control method thereof |
| CN105066209B (en) * | 2015-08-17 | 2017-06-20 | 广东美的厨房电器制造有限公司 | Cigarette machine system and its control method |
| CN105465860B (en) * | 2015-12-25 | 2018-10-02 | 宁波方太厨具有限公司 | A kind of range hood actual flow measuring device and its measurement method |
| CN105465860A (en) * | 2015-12-25 | 2016-04-06 | 宁波方太厨具有限公司 | Actual flow measuring device of extractor hood and measuring method of actual flow measuring device |
| CN106051860A (en) * | 2016-06-22 | 2016-10-26 | 无锡昊瑜节能环保设备有限公司 | Energy-saving soot absorber |
| CN106051864A (en) * | 2016-07-19 | 2016-10-26 | 珠海格力电器股份有限公司 | Control device of range hood, range hood and control method of range hood |
| CN109114608A (en) * | 2017-06-26 | 2019-01-01 | 博西华电器（江苏）有限公司 | Control method and kitchen ventilator for kitchen ventilator |
| CN107420953A (en) * | 2017-07-05 | 2017-12-01 | 珠海格力电器股份有限公司 | Range hood control method and control device |
| CN108087336A (en) * | 2017-07-28 | 2018-05-29 | 宁波方太厨具有限公司 | A kind of centrifugal blower and application have the range hood of the centrifugal blower |
| CN108087336B (en) * | 2017-07-28 | 2024-05-14 | 宁波方太厨具有限公司 | Fume exhauster |
| CN110186089A (en) * | 2019-05-19 | 2019-08-30 | 宁波方太厨具有限公司 | A kind of series connection two fans type range hood and its flow control methods |
| CN110186089B (en) * | 2019-05-19 | 2024-02-20 | 宁波方太厨具有限公司 | Series double-fan type range hood and flow control method thereof |
| CN110220232A (en) * | 2019-07-17 | 2019-09-10 | 宁波奥克斯电气股份有限公司 | A kind of control method and range hood of range hood wind speed gear |
| CN110220232B (en) * | 2019-07-17 | 2020-11-06 | 宁波奥克斯电气股份有限公司 | Control method for wind speed gear of range hood and range hood |
| CN110906399A (en) * | 2019-11-26 | 2020-03-24 | 珠海格力电器股份有限公司 | Range hood control method and device and range hood |
| CN110906399B (en) * | 2019-11-26 | 2021-03-19 | 珠海格力电器股份有限公司 | Range hood control method and device and range hood |
| CN113154480B (en) * | 2020-01-06 | 2022-08-12 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN113154480A (en) * | 2020-01-06 | 2021-07-23 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN112066430B (en) * | 2020-07-28 | 2023-01-13 | 青岛海尔智慧厨房电器有限公司 | Range hood control method and device, readable storage medium and range hood |
| CN112066430A (en) * | 2020-07-28 | 2020-12-11 | 青岛海尔智慧厨房电器有限公司 | Range hood control method and device, readable storage medium and range hood |
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Address after: Block south of Xiaoshan economic and Technological Development Zone Xiaoshan Hongxing Road District of Hangzhou City, Zhejiang province 311231 No. 98 Patentee after: Hangzhou Deyi electrical Limited by Share Ltd Address before: 311215 Xiaoshan Economic Development Zone, Zhejiang District, Hangzhou Road No. three, No. 36 Patentee before: DE&E Appliances Co., Ltd. |
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Address after: 311231 No. 98, Hongxing Road, Qiaonan block, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Deyi Zhijia Co.,Ltd. Address before: 311231 No. 98, Hongxing Road, Qiaonan block, Xiaoshan Economic and Technological Development Zone, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU DE&E ELECTRICAL Co.,Ltd. |