CN105318380A - Range hood and lampblack detection method and wind speed regulating method of range hood - Google Patents
Range hood and lampblack detection method and wind speed regulating method of range hood Download PDFInfo
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- CN105318380A CN105318380A CN201410600027.4A CN201410600027A CN105318380A CN 105318380 A CN105318380 A CN 105318380A CN 201410600027 A CN201410600027 A CN 201410600027A CN 105318380 A CN105318380 A CN 105318380A
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Abstract
The invention discloses a method for detecting the lampblack concentration of a range hood. The method comprises the steps that the intensity of non-reflected light and the intensity of light, from the same light source as the non-reflected light, reflected by a lampblack area are detected through two light receivers respectively, and the lampblack concentration of the lampblack area or the variation tendency of the lampblack concentration of the lampblack area is judged through the difference value between the light intensities received by the two light receivers. The invention further discloses an automatic wind speed regulating method of the range hood. The automatic wind speed regulating method of the range hood is characterized by comprising the steps that the intensity of the non-reflected light and the intensity of the light, from the same light source as the non-reflected light, reflected by the lampblack area are detected through the two light receivers respectively, and the difference value between the light intensities received by the two light receivers is calculated. The invention further discloses a range hood capable of regulating the wind speed automatically. According to the range hood capable of regulating the wind speed automatically, the wind speed of a draught fan can be regulated automatically, operation is convenient, and energy saving is achieved while contamination caused by kitchen lampblack is fully prevented.
Description
Technical field
The present invention relates to a kind of smoke exhaust ventilator and cigarette vapour detection method thereof and wind speed control method.
Background technology
The composition of kitchen fume is very complicated, mainly contains water, aldehyde, ketone, alcohol etc., comprising the known mutagenesis such as volatile nitrosamine, heterocyclic amine compound, carcinogenic substance and tar, carbon monoxide and carbon dioxide etc.Existing harmful health, pollutes Kitchen hygiene environment again, must extract in time.
The wind speed size of conventional extraction hood needs artificial adjustment, there is inadequate science accurate, extract oil smoke and meet health requirements not, and often open switch for fume exhauster because forget in gastronomical process or need to regulate smoke exhaust ventilator to cause the inconvenient phenomenons such as in a rush.
Summary of the invention
A kind of smoke exhaust ventilator and mensuration cigarette vapour thereof is the object of the present invention is to provide to detect and wind speed control method, it can detect the cigarette such as kitchen fume and water vapour vapour concentration automatically, and according to the concentration of actual cigarette vapour or with or without the blower fan wind speed controlling smoke exhaust ventilator, Based Intelligent Control smoke exhaust ventilator works, and reaches the object in purification kitchen.
As one aspect of the present invention, relate to a kind of smoke exhaust ventilator smokescope assay method, described method comprises by two light receivers, detect the light from same light source, light intensity after the reflection of oil smoke district, and pass through the difference of these two light receiver received light line strengths, judge the step of oil smoke district oil smoke concentration or its variation tendency.Described light can be IR or laser beam.
As another aspect of the present invention, relate to a kind of lampblack absorber wind speed size Automatic adjustment method, comprise by two light receivers, detect the light from same light source, light intensity after the reflection of oil smoke district, and calculate the step of these two light receiver received light line strength differences.According to two the light receiver received light line strength differences calculated, smoke exhaust ventilator wind speed is regulated.
Described method can also comprise according to what calculate, and two light receiver received light line strength differences, judge the step of oil smoke district oil smoke concentration and/or its variation tendency.According to this cigarette vapour concentration and/or its variation tendency, smoke exhaust ventilator wind speed is regulated.
Described same light source can be infrared light supply or LASER Light Source.Described infrared light emission spectral region 600 wave numbers/centimetre to 4000 wave numbers/centimetre time, the signal that can receive is the most stable.
Specifically, described lampblack absorber wind speed size Automatic adjustment method comprises the steps:
Light emitters is towards oil smoke district emission of light;
Two light receivers receive light emitters respectively and launch and the light reflected by described oil smoke district;
According to the strength difference of two light receiver received light lines, regulate the wind speed of smoke exhaust ventilator,
Or, according to the strength difference of two light receiver received light lines, judge oil smoke district cigarette vapour concentration and/or cigarette vapour change in concentration trend, and then according to judged oil smoke district cigarette vapour concentration and/or cigarette vapour change in concentration trend, regulate the wind speed of smoke exhaust ventilator.
Particularly, according to the strength difference of two light receiver received light lines, judge that oil smoke district cigarette vapour concentration and/or cigarette vapour change in concentration trend refer to, the strength difference of two light receiver received light lines and the mapping table of cigarette vapour concentration is preset in smoke exhaust ventilator, and/or the mapping table of the strength difference variation tendency of two light receiver received light lines and cigarette vapour change in concentration relation, according to the strength difference of two light receiver received light lines, and/or the strength difference variation tendency of two light receiver received light lines, utilize concentration and/or its variation tendency of the mapping table determination cigarette vapour preset.
The described strength difference according to two light receiver received light lines, regulates the wind speed of smoke exhaust ventilator to refer to, if the strength difference change of two light receiver received light lines is within the scope of the difference threshold of setting, then keeps rotation speed of fan constant; If the strength difference of two light receiver received light lines is greater than the difference threshold of setting, then increase rotation speed of fan; If the strength difference of two light receiver received light lines is less than the difference threshold of setting, then reduce rotation speed of fan.
Described according to judged oil smoke district cigarette vapour concentration and/or cigarette vapour change in concentration trend, the wind speed of smoke exhaust ventilator is regulated to refer to, if the change of the oil smoke district cigarette vapour concentration judged is within the scope of the difference threshold of setting, and/or within the scope of cigarette vapour concentration threshold, then keep rotation speed of fan constant; If the oil smoke district cigarette vapour concentration judged is lower than the cigarette vapour concentration threshold of setting, and/or the value of this cigarette vapour concentration reduction is greater than the difference threshold of setting, then reduce rotation speed of fan; If the oil smoke district cigarette vapour concentration judged is greater than the cigarette vapour concentration threshold of setting, and/or the value of this cigarette vapour concentration increase is greater than the difference threshold of setting, then increase rotation speed of fan.
Described increase rotation speed of fan can be instant increase also can be postpone to increase; Described reduction can be instant reduction, also can be to postpone to reduce.
As the 3rd aspect of the present invention, relate to a kind of smoke exhaust ventilator of automatic adjustment wind speed, one sidewall of described smoke exhaust ventilator is provided with a light emitters, two light receivers are being set with the same sidewall or adjacent wall that arrange light emitters, described light emitters can be being received to make described light receiver and send and the light reflected through smoke exhaust ventilator oil smoke district.
Described light emitters can be infrared transmitter or generating laser.
Preferably, described two light recipients are positioned at described light emitters homonymy.
Described smoke exhaust ventilator sidewall can arrange accommodation hole, and described light emitters and described light receiver are contained in described accommodation hole respectively.
Described smoke exhaust ventilator is also provided with controller of fan, and the difference of the light intensity that described air-blower control machine receives according to two light receivers or its variation tendency or cigarette vapour concentration or cigarette vapour change in concentration trend signal, send control instruction to fume exhaust fan blower.
Described two light receiver received light line strength differences refer to that light intensity higher value deducts the difference of light intensity smaller value.
After adopting such scheme, the present invention at least can realize following beneficial effect:
1, when the light of light emitters transmitting is through oil smoke district, energy is absorbed, received by light receiver after scattering, by transmitting and receiving the energy value change of light, concentration and the variation tendency thereof of cigarette vapour can be recorded, thus control blower fan wind speed, realize the work of Based Intelligent Control smoke exhaust ventilator, reach the object in purification kitchen;
2, infrared transmitter is adopted, and the spectral region making it launch 600 wave numbers/centimetre-4000 wave numbers/centimetre, and the main component of kitchen cigarette vapour 3000 wave numbers/centimetre region of ultra-red have absworption peak, light transmittance is low, and therefore like this design more can accurately measure smokescope;
3, by arranging accommodation hole in center, smoke collecting chamber one side, make transmitter and receiver be mounted in accommodation hole, such project organization is simple, is easy to install.
4, by the automatic adjustment of wind speed, from the power consumption of smoke exhaust ventilator and gas consumption two aspects of gas-cooker, energy-conservation object is all achieved.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the present invention with the smoke exhaust ventilator of cigarette regulation and control wind speed.
1 is light emitters; 2 is light receiver; 3 is accommodation hole.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described, can better understand the present invention and can be implemented, but illustrated embodiment is not as a limitation of the invention to make those skilled in the art.
As shown in Figure 1, the present embodiment provide and automatically regulate the smoke exhaust ventilator of wind speed to be provided with three accommodation holes, 3, light emitters 1 and two light receivers 2 are contained in accommodation hole 3 respectively at smoke collecting chamber one sidewall.Described light receiver can receive described light emitters and send and the light reflected through smoke exhaust ventilator oil smoke district.
This light emitters can be infrared transmitter, also can be generating laser.Corresponding, this light receiver can be infrared light receiver, also can be laser pickoff.
Smoke exhaust ventilator that the present embodiment provides, the smoke exhaust ventilator cigarette vapour detection method adopted is, light emitters launches infrared light or laser towards oil smoke district, detect from this light emitters respectively by two light receivers, and through oil smoke district reflection infrared light or laser light intensity and do difference, judge oil smoke district cigarette vapour concentration and/or cigarette vapour change in concentration trend.
Because two angles of reflection between light receiver from light emitters are different, so two light receivers can receive, by oil smoke district naturally there is a difference between the light intensity that reflects.The oil smoke concentration in this difference and oil smoke district is proportionate, and when the oil smoke concentration in oil smoke district is larger, this difference will be larger; When the oil smoke concentration in oil smoke district is less, this difference will be less.And, do poor mode by this two light receivers, substantially can remove the interference of extraneous scattered light.Extraneous irreflexive light can have influence on the amount of light receiver received light line, irreflexive attribute determines, by rationally arranging the position of two light receivers, although irreflexive concrete value is difficult to determine, but, the impact of two light receivers is substantially identical, and this is easy to accomplish to those skilled in the art.So, do poor mode by two light receivers, just substantially can remove the interference of extraneous scattered light, and it is much to go to consider that this influence value has on earth.
The smoke exhaust ventilator wind speed Automatic adjustment method that the present embodiment adopts is:
Light emitters is towards oil smoke district emission of light;
Two light receivers receive light emitters respectively and launch and the light reflected through oil smoke district on different reflection angle;
According to the strength difference of two light receiver received light lines, regulate the wind speed of smoke exhaust ventilator, or, according to the strength difference of two light receiver received light lines, judge oil smoke district cigarette vapour concentration and/or cigarette vapour change in concentration trend, and then according to judged oil smoke district cigarette vapour concentration and/or cigarette vapour change in concentration trend, regulate the wind speed of smoke exhaust ventilator.
If the strength difference change of two light receiver received light lines is within the scope of the difference threshold of setting, then keep rotation speed of fan constant; If the strength difference of two light receiver received light lines is greater than the difference threshold of setting, then increase rotation speed of fan, siphon away, to prevent fume pollution with the quick oil smoke by oil smoke district; If the strength difference of two light receiver received light lines is less than the difference threshold of setting, then reduce rotation speed of fan, while reduction blower fan power consumption, reduce exhausting to the impact of combustion gas utilization ratio.Such as, when fume exhaust fan blower runs under a certain rotating speed, it is constant that the strength difference excursion setting two light receiver received light lines maintains wind speed when being less than positive and negative 5, and the strength difference of two light receiver received light lines is greater than 50 improves wind speed, is less than 20 and reduces wind speed.If the strength difference change of two light receiver received light lines is less than 5, then keep rotation speed of fan constant; If the strength difference of two light receiver received light lines is greater than 50, then increase rotation speed of fan, siphon away, to prevent fume pollution with the quick oil smoke by oil smoke district; If the strength difference of two light receiver received light lines is less than 20, then reduce rotation speed of fan, while reduction blower fan power consumption, reduce exhausting to the impact of combustion gas utilization ratio.
The smoke exhaust ventilator that the present embodiment provides, the strength difference of two light receiver received light lines and the mapping table of cigarette vapour concentration can be preset in smoke exhaust ventilator, and/or the mapping table of the strength difference variation tendency of two light receiver received light lines and cigarette vapour change in concentration relation, according to the strength difference of two light receiver received light lines, and/or the strength difference variation tendency of two light receiver received light lines, utilize concentration and/or its variation tendency of the mapping table determination cigarette vapour preset.
If the change of the oil smoke district cigarette vapour concentration judged is within the scope of the difference threshold of setting, and/or within the scope of cigarette vapour concentration threshold, then keep rotation speed of fan constant; If the oil smoke district cigarette vapour concentration judged is lower than the cigarette vapour concentration threshold of setting, and/or the value of this cigarette vapour concentration reduction is greater than the difference threshold of setting, then reduce rotation speed of fan; If the oil smoke district cigarette vapour concentration judged is greater than the cigarette vapour concentration threshold of setting, and/or the value of this cigarette vapour concentration increase is greater than the difference threshold of setting, then increase rotation speed of fan.
Described increase rotation speed of fan can be instant increase also can be postpone to increase; Described reduction can be instant reduction, also can be to postpone to reduce.Use delay feature, motor frequent start-stop and speed change can be prevented, cause the damage of motor.
Described infrared light emission spectral region 600 wave numbers/centimetre-4000 wave numbers/centimetre time, testing result is more stable and reliable.
Light receiver received light line strength of the present invention, when the output signal of used light receiver is for current value, both can directly represent with exported current value, also can be the corresponding table that a light receiver output current and received light line strength are set, and obtain received light intensity value according to this corresponding table.That is, the light intensity alleged by the present invention or its variation tendency, both can refer to the current value that light receiver exports, and also can refer to according to the determined light intensity of this current value.Same, the alleged process obtaining oil smoke district cigarette vapour concentration or its variation tendency according to light receiver received light line strength of the present invention, both can be that the current value directly utilizing light receiver to export is determined, also can be utilize determined light intensity value to determine.
Smoke exhaust ventilator that the present embodiment provides, inside can be provided with light signal processing module and fan control module.After light receiver receives light signal, its received light line signal is sent to the light signal processing module of smoke extractor, this light signal processing module is according to the light intensity difference of two light receiver received light lines, draw the change in concentration trend of oil smoke district cigarette vapour, and sent to fan control module, fan control module, according to the change in concentration trend of oil smoke district oil smoke, adjusts the wind speed of fume exhaust fan blower.If oil smoke district cigarette vapour concentration in increase, then improves the blower fan wind speed of smoke exhaust ventilator; If oil smoke district cigarette vapour concentration in reduction, then reduces the blower fan wind speed of smoke exhaust ventilator; If oil smoke district cigarette vapour concentration is basicly stable, then the blower fan wind speed maintaining smoke exhaust ventilator is constant.Or, the strength difference of two light receiver received light lines and the mapping table of cigarette vapour concentration can be preset in light signal processing module, and/or the mapping table of the strength difference variation tendency of two light receiver received light lines and cigarette vapour change in concentration relation, according to the strength difference of two light receiver received light lines, and/or the strength difference variation tendency of two light receiver received light lines, utilize concentration and/or its variation tendency of the mapping table determination cigarette vapour preset.This concentration or variation tendency are transmitted to fan control module, and the blower fan of smoke exhaust ventilator, according to this cigarette vapour concentration or its variation tendency, is adjusted to corresponding wind speed by fan control module.
Described light signal processing module can be placed in described light receiver, processes, and result is sent to fan control module to received light signal.Described fan control module can be placed in controller of fan, and air-blower control machine, according to received light intensity or light intensity variation tendency or cigarette vapour concentration or cigarette vapour change in concentration trend signal, sends control instruction to fume exhaust fan blower.
The above embodiment is only that protection scope of the present invention is not limited thereto in order to absolutely prove the preferred embodiment that the present invention lifts.The equivalent alternative or conversion that those skilled in the art do on basis of the present invention, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (19)
1. a smoke exhaust ventilator smokescope assay method, it is characterized in that, described method comprises by two light receivers, detect the light from same light source, light intensity after the reflection of oil smoke district, and pass through the difference of these two light receiver received light line strengths, judge the step of oil smoke district oil smoke concentration or its variation tendency.
2. smoke exhaust ventilator smokescope assay method described in claim 1, is characterized in that, described light is IR or laser beam.
3. a lampblack absorber wind speed size Automatic adjustment method, it is characterized in that, comprise by two light receivers, detect the light from same light source, light intensity after the reflection of oil smoke district, and calculate the step of these two light receiver received light line strength differences.
4. smoke exhaust ventilator wind speed Automatic adjustment method described in claim 3, is characterized in that, described method also comprises two light receiver received light line strength differences according to calculating, to the step that smoke exhaust ventilator wind speed regulates.
5. smoke exhaust ventilator wind speed Automatic adjustment method described in claim 3, is characterized in that, described method also comprises according to what calculate, and two light receiver received light line strength differences, judge the step of oil smoke district oil smoke concentration and/or its variation tendency.
6. smoke exhaust ventilator wind speed Automatic adjustment method described in claim 5, is characterized in that, described method also comprises according to this cigarette vapour concentration and/or its variation tendency, to the step that smoke exhaust ventilator wind speed regulates.
7. smoke exhaust ventilator wind speed Automatic adjustment method described in claim 3, is characterized in that, described same light source is infrared light supply or LASER Light Source.
8. smoke exhaust ventilator wind speed Automatic adjustment method described in claim 7, is characterized in that, described infrared light emission spectral region 600 wave numbers/centimetre to 4000 wave numbers/centimetre.
9. smoke exhaust ventilator wind speed Automatic adjustment method described in any one of claim 3-8, it is characterized in that, described method comprises the steps:
Light emitters is towards oil smoke district emission of light;
Two light receivers receive light emitters respectively and launch and the light reflected by described oil smoke district;
According to the strength difference of two light receiver received light lines, regulate the wind speed of smoke exhaust ventilator,
Or, according to the strength difference of two light receiver received light lines, judge oil smoke district cigarette vapour concentration and/or cigarette vapour change in concentration trend, and then according to judged oil smoke district cigarette vapour concentration and/or cigarette vapour change in concentration trend, regulate the wind speed of smoke exhaust ventilator.
10. smoke exhaust ventilator wind speed Automatic adjustment method described in claim 9, is characterized in that, according to the strength difference of two light receiver received light lines, judges that oil smoke district cigarette vapour concentration and/or cigarette vapour change in concentration trend refer to,
The strength difference of two light receiver received light lines and the mapping table of cigarette vapour concentration is preset in smoke exhaust ventilator, and/or the mapping table of the strength difference variation tendency of two light receiver received light lines and cigarette vapour change in concentration relation,
According to the strength difference of two light receiver received light lines, and/or the strength difference variation tendency of two light receiver received light lines, utilize concentration and/or its variation tendency of the mapping table determination cigarette vapour preset.
Described in 11. claims 9, smoke exhaust ventilator wind speed Automatic adjustment method, is characterized in that, the described strength difference according to two light receiver received light lines, regulates the wind speed of smoke exhaust ventilator to refer to,
If the strength difference change of two light receiver received light lines is within the scope of the difference threshold of setting, then keep rotation speed of fan constant;
If the strength difference of two light receiver received light lines is greater than the difference threshold of setting, then increase rotation speed of fan;
If the strength difference of two light receiver received light lines is less than the difference threshold of setting, then reduce rotation speed of fan.
Described in 12. claims 11, smoke exhaust ventilator regulates the method for wind speed automatically, it is characterized in that, described increase rotation speed of fan can be instant increase also can be postpone to increase; Described reduction can be instant reduction, also can be to postpone to reduce.
Described in 13. claims 9, smoke exhaust ventilator wind speed Automatic adjustment method, is characterized in that, described according to judged oil smoke district cigarette vapour concentration and/or cigarette vapour change in concentration trend, regulates the wind speed of smoke exhaust ventilator to refer to,
If the change of the oil smoke district cigarette vapour concentration judged is within the scope of the difference threshold of setting, and/or within the scope of cigarette vapour concentration threshold, then keep rotation speed of fan constant;
If the oil smoke district cigarette vapour concentration judged is lower than the cigarette vapour concentration threshold of setting, and/or the value of this cigarette vapour concentration reduction is greater than the difference threshold of setting, then reduce rotation speed of fan;
If the oil smoke district cigarette vapour concentration judged is greater than the cigarette vapour concentration threshold of setting, and/or the value of this cigarette vapour concentration increase is greater than the difference threshold of setting, then increase rotation speed of fan.
Described in 14. claims 13, smoke exhaust ventilator regulates the method for wind speed automatically, it is characterized in that, described increase rotation speed of fan can be instant increase also can be postpone to increase; Described reduction can be instant reduction, also can be to postpone to reduce.
15. 1 kinds of automatic smoke exhaust ventilators regulating wind speed, it is characterized in that, one sidewall of described smoke exhaust ventilator is provided with a light emitters, two light receivers are being set with the same sidewall or adjacent wall that arrange light emitters, described light emitters can be being received to make described light receiver and send and the light reflected through smoke exhaust ventilator oil smoke district.
Automatically regulate the smoke exhaust ventilator of wind speed described in 16. claims 15, it is characterized in that, described light emitters is infrared transmitter or generating laser.
Automatically regulate the smoke exhaust ventilator of wind speed described in 17. claims 15, it is characterized in that, described two light recipients are positioned at described light emitters homonymy.
Automatically regulate the smoke exhaust ventilator of wind speed described in 18. claims 17, it is characterized in that, described smoke exhaust ventilator sidewall arranges accommodation hole, and described light emitters and described light receiver are contained in described accommodation hole respectively.
Automatically the smoke exhaust ventilator of wind speed is regulated described in 19. claims 15, it is characterized in that, described smoke exhaust ventilator is also provided with controller of fan, the difference of the light intensity that described air-blower control machine receives according to two light receivers or its variation tendency or cigarette vapour concentration or cigarette vapour change in concentration trend signal, send control instruction to fume exhaust fan blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410600027.4A CN105318380A (en) | 2014-08-01 | 2014-10-31 | Range hood and lampblack detection method and wind speed regulating method of range hood |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| CN2014103756805 | 2014-08-01 | ||
| CN201410375680 | 2014-08-01 | ||
| CN201410600027.4A CN105318380A (en) | 2014-08-01 | 2014-10-31 | Range hood and lampblack detection method and wind speed regulating method of range hood |
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| CN105318380A true CN105318380A (en) | 2016-02-10 |
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| CN201410600344.6A Pending CN105318385A (en) | 2014-08-01 | 2014-10-31 | Wind speed regulating system and method for range hood |
| CN201410600031.0A Pending CN105299716A (en) | 2014-08-01 | 2014-10-31 | Smoke exhauster as well as smoke detection method and wind speed adjusting method thereof |
| CN201410600027.4A Pending CN105318380A (en) | 2014-08-01 | 2014-10-31 | Range hood and lampblack detection method and wind speed regulating method of range hood |
| CN201410600043.3A Pending CN105299717A (en) | 2014-08-01 | 2014-10-31 | Smoke exhauster capable of automatically adjusting wind speed |
| CN201410600047.1A Pending CN105318382A (en) | 2014-08-01 | 2014-10-31 | Range hood capable of regulating wind speed automatically |
| CN201410600029.3A Active CN105318381B (en) | 2014-08-01 | 2014-10-31 | Automatic speed regulation smoke exhaust ventilator self-checking system and self checking method |
| CN201410600325.3A Pending CN105318384A (en) | 2014-08-01 | 2014-10-31 | Range hood and wind speed regulating system and method thereof |
| CN201410600639.3A Pending CN105299719A (en) | 2014-08-01 | 2014-10-31 | Smoke exhauster as well as smoke detection method and wind speed adjusting method thereof |
| CN201410600026.XA Active CN105318379B (en) | 2014-08-01 | 2014-10-31 | Smoke exhaust ventilator and its cigarette vapour detection method and wind speed adjusting method |
| CN201410600345.0A Pending CN105318386A (en) | 2014-08-01 | 2014-10-31 | Range hood capable of regulating wind speed automatically |
| CN201410600112.0A Active CN105318383B (en) | 2014-08-01 | 2014-10-31 | Smoke exhaust ventilator and its cigarette vapour detection method and wind speed adjusting method |
| CN201410600324.9A Pending CN105299718A (en) | 2014-08-01 | 2014-10-31 | Smoke exhauster capable of automatically adjusting wind speed |
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| CN201410600344.6A Pending CN105318385A (en) | 2014-08-01 | 2014-10-31 | Wind speed regulating system and method for range hood |
| CN201410600031.0A Pending CN105299716A (en) | 2014-08-01 | 2014-10-31 | Smoke exhauster as well as smoke detection method and wind speed adjusting method thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410600043.3A Pending CN105299717A (en) | 2014-08-01 | 2014-10-31 | Smoke exhauster capable of automatically adjusting wind speed |
| CN201410600047.1A Pending CN105318382A (en) | 2014-08-01 | 2014-10-31 | Range hood capable of regulating wind speed automatically |
| CN201410600029.3A Active CN105318381B (en) | 2014-08-01 | 2014-10-31 | Automatic speed regulation smoke exhaust ventilator self-checking system and self checking method |
| CN201410600325.3A Pending CN105318384A (en) | 2014-08-01 | 2014-10-31 | Range hood and wind speed regulating system and method thereof |
| CN201410600639.3A Pending CN105299719A (en) | 2014-08-01 | 2014-10-31 | Smoke exhauster as well as smoke detection method and wind speed adjusting method thereof |
| CN201410600026.XA Active CN105318379B (en) | 2014-08-01 | 2014-10-31 | Smoke exhaust ventilator and its cigarette vapour detection method and wind speed adjusting method |
| CN201410600345.0A Pending CN105318386A (en) | 2014-08-01 | 2014-10-31 | Range hood capable of regulating wind speed automatically |
| CN201410600112.0A Active CN105318383B (en) | 2014-08-01 | 2014-10-31 | Smoke exhaust ventilator and its cigarette vapour detection method and wind speed adjusting method |
| CN201410600324.9A Pending CN105299718A (en) | 2014-08-01 | 2014-10-31 | Smoke exhauster capable of automatically adjusting wind speed |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105318383A (en) | 2016-02-10 |
| CN105318379B (en) | 2019-05-07 |
| CN105299719A (en) | 2016-02-03 |
| CN105318386A (en) | 2016-02-10 |
| CN105318381A (en) | 2016-02-10 |
| CN105299718A (en) | 2016-02-03 |
| CN105299717A (en) | 2016-02-03 |
| CN105318383B (en) | 2019-08-09 |
| CN105318385A (en) | 2016-02-10 |
| CN105318384A (en) | 2016-02-10 |
| CN105318382A (en) | 2016-02-10 |
| CN105299716A (en) | 2016-02-03 |
| CN105318379A (en) | 2016-02-10 |
| CN105318381B (en) | 2019-09-17 |
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