CN104896542A - Oil fume exhaust ventilator and control method thereof - Google Patents

Oil fume exhaust ventilator and control method thereof Download PDF

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Publication number
CN104896542A
CN104896542A CN201410076833.6A CN201410076833A CN104896542A CN 104896542 A CN104896542 A CN 104896542A CN 201410076833 A CN201410076833 A CN 201410076833A CN 104896542 A CN104896542 A CN 104896542A
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China
Prior art keywords
temperature
condition
reaches
exhaust ventilator
judge
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Granted
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CN201410076833.6A
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Chinese (zh)
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CN104896542B (en
Inventor
李文灿
宋秀敏
赵飞
张健
倪林海
刘国涛
邹移民
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Priority to CN201410076833.6A priority Critical patent/CN104896542B/en
Publication of CN104896542A publication Critical patent/CN104896542A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes
    • F24C15/2021Arrangement or mounting of control or safety systems

Abstract

The invention relates to an oil fume exhaust ventilator and a control method thereof. The control method comprises: S1, in an electrifying standby state of an oil fume exhaust ventilator, real-timely detecting the temperature of a detection region below the oil fume exhaust ventilator; S2, based on whether the detected temperature achieves the startup condition, and if yes, performing a step S3; S3, opening a fan, and in the fan opening state, real-timely detecting the temperature of the detection region below the oil fume exhaust ventilator; S4, based on whether the detected temperature achieves the shutdown condition, and if yes, performing a step S5 and if no, adjusting the size of the fan wind screen according to the temperature change; and S5, closing the fan. According to the control method of the present invention, the temperature of the detection region below the oil fume exhaust ventilator is detected, and the startup, the shutdown, and the size of the fan wind screen of the oil fume exhaust ventilator are subjected to linkage control according to the temperature, such that the accurate control on the oil fume exhaust ventilator according to the condition of the oil fume produced by the cooker is achieved so as to reduce the unnecessary waste of resources and achieve the effects of energy saving and environmental protection.

Description

Smoke exhaust ventilator and control method thereof
Technical field
The present invention relates to the device for getting rid of smoke, particularly relating to a kind of smoke exhaust ventilator and control method thereof.
Background technology
Along with the raising of people's living standard and the quickening of rhythm of life, increasing intelligentized living electric apparatus enters the life of people, as in kitchen appliance, kitchen range control smoke exhaust ventilator by the mode of radio gang after opening and open, the Based Intelligent Control of smoke exhaust ventilator has become a kind of new trend, and show very large superiority, for the life of people brings convenience.
The coordinated signals of kitchen range of the prior art and smoke exhaust ventilator is after kitchen range are opened, and controls smoke exhaust ventilator immediately and opens, and when kitchen range cut out, controls smoke exhaust ventilator immediately and closes.But, cooking process more complicated, such as with kitchen range boiling, stew, if burning things which may cause a fire disaster one is opened, smoke exhaust ventilator is just followed by opening, and at this moment cooking materials temperature is very low, does not have oil smoke and steam to produce, there is no need to open smoke exhaust ventilator, from the viewpoint of energy-conserving and environment-protective, cause the meaningless wasting of resources.
Summary of the invention
For above-mentioned prior art present situation, technical problem to be solved by this invention is, provides a kind of smoke exhaust ventilator and control method thereof, and it can produce oil smoke situation according to kitchen range and control fume exhaust fan blower action exactly, to reduce the meaningless wasting of resources, reach the effect of energy-conserving and environment-protective.
In order to solve the problems of the technologies described above, the control method of a kind of smoke exhaust ventilator provided by the present invention, described smoke exhaust ventilator comprises blower fan, and described control method comprises the steps:
S1, smoke exhaust ventilator power under holding state, detect the temperature of the surveyed area below smoke exhaust ventilator in real time;
The described temperature that S2, basis detect judges whether to reach compressor start up condition, if so, then proceeds to step S3;
S3, open described blower fan, and under described blower fan open mode, detect the temperature of the surveyed area below smoke exhaust ventilator in real time;
The described temperature that S4, basis detect judges whether to reach cut-off condition, if so, then proceeds to step S5, if not, then adjusts the size of described blower fan windscreen according to the change of described temperature;
S5, close described blower fan.
Wherein in an embodiment, judge whether that reaching compressor start up condition is specially according to the described temperature detected:
Judge whether described temperature reaches the first design temperature, or judge whether the rate of climb of described temperature reaches the setting rate of climb and whether reach the second design temperature, if so, then reaches compressor start up condition, otherwise, do not reach compressor start up condition; Wherein, the second design temperature described in described first design temperature >.
Wherein in an embodiment, the described setting rate of climb=25 ~ 35 DEG C/min, described second design temperature=35 ~ 45 DEG C.
Wherein in an embodiment, judge whether described temperature reaches the first design temperature to judge whether and reach compressor start up condition and be specially:
Detect the temperature of described surveyed area regional respectively, each temperature according to detecting judges kitchen range central area;
Judge whether the temperature of described kitchen range central area reaches the first design temperature T1a, or judge whether the temperature of peripheral region of described kitchen range central area reaches the first design temperature T1b, if so, then reaches compressor start up condition, otherwise, do not reach compressor start up condition; Wherein, T1a > T1b.
Wherein in an embodiment, T1a=75 ~ 85 DEG C, T1b=55 ~ 65 DEG C.
Wherein in an embodiment, judge whether that reaching cut-off condition is specially according to the temperature detected:
Judge whether described temperature reaches the 3rd design temperature, or judge whether the decrease speed of described temperature reaches setting decrease speed and whether reach the 4th design temperature, if so, then reaches cut-off condition, otherwise, do not reach cut-off condition; Wherein, described 3rd design temperature≤described 4th design temperature.
Wherein in an embodiment, described setting decrease speed=1 ~ 3 DEG C/min, described 4th design temperature=55 ~ 65 DEG C.
Wherein in an embodiment, judge whether described temperature reaches the 3rd design temperature and judge whether that reaching cut-off condition comprises:
Detect the temperature of described surveyed area regional respectively, each temperature according to detecting judges kitchen range central area;
Judge whether the temperature of described kitchen range central area reaches the 3rd design temperature T3a, or judge whether the temperature of peripheral region of described kitchen range central area reaches the 3rd design temperature T3b, if so, then reaches cut-off condition, otherwise, do not reach cut-off condition; Wherein, T3a > T3b.
Wherein in an embodiment, T3a=55 ~ 65 DEG C, T3b=35 ~ 45 DEG C.
Wherein in an embodiment, also comprise the steps: before described step S5
If reach cut-off condition, then enter delay switching-off state, under delay switching-off state, detect the temperature of the surveyed area below described smoke exhaust ventilator in real time, judge whether to reach compressor start up condition according to the temperature detected, if, then proceed to described step S3, if not, then judge whether the time entering delay switching-off state reaches setting-up time t, if so, described step S5 is proceeded to.
A kind of smoke exhaust ventilator provided by the present invention, comprising:
Housing, bottom surface is provided with inlet scoop;
Blower fan, is arranged in described housing, enters into described housing for making oil smoke through described inlet scoop;
Master controller, is arranged in described housing, for controlling described blower fan;
Also comprise:
Infrared ray sensor, is arranged on the bottom surface of described housing, and is connected with described master controller, for detecting the infrared ray of the surveyed area below described smoke exhaust ventilator, and produces temperature signal according to described infrared energy;
Described infrared ray sensor sends described temperature signal to described master controller, and described master controller receives the temperature signal that described infrared ray sensor sends, and controls described blower fan according to described temperature signal.
Wherein in an embodiment, described infrared ray sensor is infrared array sensor.
Compared with prior art, smoke exhaust ventilator of the present invention and control method thereof, by detecting the temperature of the surveyed area below smoke exhaust ventilator, and control the opening of fume exhaust fan blower according to this temperature linkage, close and windscreen size.Therefore, achieve and control smoke exhaust ventilator action exactly according to the situation of kitchen range generation oil smoke, thus the meaningless wasting of resources can be reduced, reach the effect of energy-conserving and environment-protective.
The beneficial effect that additional technical feature of the present invention has will be described in this description detailed description of the invention part.
Accompanying drawing explanation
Fig. 1 is the main TV structure figure of the smoke exhaust ventilator in one of them embodiment of the present invention;
Fig. 2 is the control system figure of smoke exhaust ventilator shown in Fig. 1;
Fig. 3 is the flow chart of the control method of smoke exhaust ventilator shown in Fig. 1.
Description of reference numerals: 10, smoke exhaust ventilator; 11, housing; 12, blower fan; 13, master controller; 14, infrared ray sensor; 20, kitchen range; 30, surveyed area.
Detailed description of the invention
And the present invention is described in detail in conjunction with the embodiments below with reference to the accompanying drawings.It should be noted that, when not conflicting, the feature in following embodiment and embodiment can combine mutually.
Figure 1 shows that the main TV structure schematic diagram of the smoke exhaust ventilator 10 in one of them embodiment of the present invention, Fig. 2 is the control system figure of smoke exhaust ventilator 10.As shown in Figure 1, 2, described smoke exhaust ventilator 10 comprises housing 11, blower fan 12 and master controller 13, and wherein, described housing 11 is positioned at the top of kitchen range 20, and described housing 11 bottom surface is provided with inlet scoop (not shown); Described blower fan 12 is arranged in described housing 11, enters into described housing 11 for making oil smoke through described inlet scoop; Described master controller 13 is connected with described blower fan 12, for controlling described blower fan 12; Described smoke exhaust ventilator 10 also comprises infrared ray sensor 14, and this infrared ray sensor 14 is arranged on the bottom surface of described housing 11, for detecting the temperature of the surveyed area 30 below described smoke exhaust ventilator 10.During culinary art, kitchen range 20 region can to spatial emission infrared ray, this infrared ray sensor 14 receiving infrared-ray, and is converted to corresponding temperature value according to the infrared energy received.As shown in Figure 1, the surveyed area 30 of infrared ray sensor 14 at least covers whole kitchen range 20.Because the detection range of single infrared ray sensor 14 has certain limitation, therefore described infrared ray sensor 14 is preferably infrared array sensor.
Figure 3 shows that the flow chart of smoke exhaust ventilator 10 control method in one of them embodiment of the present invention.Described control method comprises the steps:
Step S1, smoke exhaust ventilator 10 power under holding state, and described infrared ray sensor 14 detects the temperature of the surveyed area 30 below described smoke exhaust ventilator 10 in real time, and temperature is sent to described master controller 13.
The temperature that step S2, described master controller 13 receiving infrared-ray sensor 14 transmit, and judge whether to reach compressor start up condition according to described temperature, if so, proceed to step S3.
Preferably, judge whether to reach compressor start up condition according to the described temperature detected specific as follows:
Judge whether described temperature reaches the first design temperature T1, or, judge whether the rate of climb of described temperature reaches setting rate of climb V1 and whether reach the second design temperature T2, if so, then reaches compressor start up condition, otherwise, do not reach compressor start up condition; Wherein, T1 > T2.Preferably, V1=25 ~ 35 DEG C/min, T2=35 ~ 45 DEG C.Like this, as long as meet one of above-mentioned two conditions namely reach compressor start up condition, control accuracy is high.
In order to improve control accuracy, judging whether described temperature reaches the first design temperature to judge whether and reaching compressor start up condition and comprise:
Infrared ray sensor 14 detects the temperature of described surveyed area 30 regional respectively, and described master controller 13 judges kitchen range 20 central area according to each temperature detected.Be specially: each temperature contrasts by described master controller 13, region centered by the region that temperature is the highest.
Judge whether the temperature of described kitchen range 20 central area reaches the first design temperature T1a, or judge whether the temperature of the peripheral region of described kitchen range 20 central area reaches the first design temperature T1b, if so, then reaches compressor start up condition, otherwise, do not reach compressor start up condition; Wherein, T1a > T1b.Preferably, T1a=75 ~ 85 DEG C, T1b=55 ~ 65 DEG C.Like this, as long as the temperature around kitchen range 20 central area or kitchen range 20 central area rises reach design temperature, namely open blower fan 12, control accuracy is high.
Described blower fan 12 opened by step S3, described master controller 13, and under blower fan 12 open state, described master controller 13 detects the temperature of the surveyed area 30 below described smoke exhaust ventilator 10 in real time by described infrared ray sensor 14.
Step S4, described master controller 13 judge whether to reach cut-off condition according to the temperature detected, if so, then proceed to step S5, if not, then the size of described blower fan windscreen is adjusted according to the change of described temperature, namely when temperature is raised, windscreen becomes large, and upon a drop in temperature, windscreen diminishes.
Preferably, judge whether that reaching cut-off condition is specially according to the temperature detected:
Judge whether described temperature reaches the 3rd design temperature T3, or judge whether the decrease speed of described temperature reaches setting decrease speed V2 and whether reach the 4th design temperature T4, if, then reach cut-off condition, otherwise, do not reach cut-off condition, wherein, T3≤T4.Preferably, V2=1 ~ 3 DEG C/min, T4=55 ~ 65 DEG C.Like this, as long as meet one of above-mentioned two conditions namely reach cut-off condition, control accuracy is high.
Preferably, judge whether described temperature reaches the 3rd design temperature and judge whether that reaching cut-off condition comprises:
Infrared array sensor detects the temperature of described surveyed area 30 regional respectively, and described master controller 13 judges kitchen range 20 central area according to each temperature detected.Be specially: each temperature contrasts by described master controller 13, region centered by the region that temperature is the highest.
Judge whether the temperature of described kitchen range 20 central area reaches the 3rd design temperature T3a, or whether the temperature of the peripheral region of described kitchen range 20 central area reaches the 3rd design temperature T3b, if so, then reaches cut-off condition, otherwise, do not reach cut-off condition; Wherein, T3a > T3b.Preferably, T3a=55 ~ 65 DEG C, T3b=35 ~ 45 DEG C.Like this, as long as the temperature around kitchen range 20 central area or kitchen range 20 central area declines reach design temperature, namely close blower fan 12, control accuracy is high.
Step S5, close described blower fan 12, smoke exhaust ventilator 10 enters the holding state that powers on.
Preferably, further comprising the steps of before described step S5:
Step S6, if reach cut-off condition, enters delay switching-off state, detects the temperature of the surveyed area 30 below described smoke exhaust ventilator 10 in real time;
Step S7, judges whether to reach compressor start up condition according to the temperature detected, if, then proceed to described step S3, if not, then judge whether the time entering delay switching-off state reaches setting-up time t (setting-up time is preferably 10 ~ 30s), if so, described step S5 is proceeded to.
As can be seen here, smoke exhaust ventilator 10 in the present embodiment and control method thereof, because smoke exhaust ventilator 10 housing 11 bottom surface is provided with infrared ray sensor 14, detected the temperature of the surveyed area 30 below smoke exhaust ventilator 10 by infrared ray sensor 14, and control the opening of blower fan 12 according to this temperature, close and windscreen size.Therefore, smoke exhaust ventilator 10 is not need in real time to open, and only just opens when kitchen range 20 temperature reaches certain standard, which reduces the meaningless wasting of resources, the effect reaching energy-conserving and environment-protective, in culinary cuisine process, achieves the function that lampblack absorber controls automatically; And, the adjustment of lampblack absorber wind shelves can be carried out according to the size of temperature on kitchen range 20, make the more intelligent and hommization of the use of kitchen electricity.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.

Claims (12)

1. a control method for smoke exhaust ventilator, described smoke exhaust ventilator comprises blower fan, it is characterized in that, described control method comprises the steps:
S1, smoke exhaust ventilator power under holding state, detect the temperature of the surveyed area below smoke exhaust ventilator in real time;
The described temperature that S2, basis detect judges whether to reach compressor start up condition, if so, then proceeds to step S3;
S3, open described blower fan, and under described blower fan open mode, detect the temperature of the surveyed area below smoke exhaust ventilator in real time;
The described temperature that S4, basis detect judges whether to reach cut-off condition, if so, then proceeds to step S5, if not, then adjusts the size of described blower fan windscreen according to the change of described temperature;
S5, close described blower fan.
2. control method according to claim 1, is characterized in that, judges whether that reaching compressor start up condition is specially according to the described temperature detected:
Judge whether described temperature reaches the first design temperature, or judge whether the rate of climb of described temperature reaches the setting rate of climb and whether reach the second design temperature, if so, then reaches compressor start up condition, otherwise, do not reach compressor start up condition; Wherein, the second design temperature described in described first design temperature >.
3. control method according to claim 2, is characterized in that, the described setting rate of climb=25 ~ 35 DEG C/min, described second design temperature=35 ~ 45 DEG C.
4. control method according to claim 2, is characterized in that, judges whether described temperature reaches the first design temperature to judge whether and reaches compressor start up condition and be specially:
Detect the temperature of described surveyed area regional respectively, each temperature according to detecting judges kitchen range central area;
Judge whether the temperature of described kitchen range central area reaches the first design temperature T1a, or judge whether the temperature of peripheral region of described kitchen range central area reaches the first design temperature T1b, if so, then reaches compressor start up condition, otherwise, do not reach compressor start up condition; Wherein, T1a > T1b.
5. control method according to claim 4, is characterized in that, T1a=75 ~ 85 DEG C, T1b=55 ~ 65 DEG C.
6. control method according to claim 1, is characterized in that, judges whether that reaching cut-off condition is specially according to the temperature detected:
Judge whether described temperature reaches the 3rd design temperature, or judge whether the decrease speed of described temperature reaches setting decrease speed and whether reach the 4th design temperature, if so, then reaches cut-off condition, otherwise, do not reach cut-off condition; Wherein, described 3rd design temperature≤described 4th design temperature.
7. control method according to claim 6, is characterized in that, described setting decrease speed=1 ~ 3 DEG C/min, described 4th design temperature=55 ~ 65 DEG C.
8. control method according to claim 6, is characterized in that, judges whether described temperature reaches the 3rd design temperature and judge whether that reaching cut-off condition comprises:
Detect the temperature of described surveyed area regional respectively, each temperature according to detecting judges kitchen range central area;
Judge whether the temperature of described kitchen range central area reaches the 3rd design temperature T3a, or judge whether the temperature of peripheral region of described kitchen range central area reaches the 3rd design temperature T3b, if so, then reaches cut-off condition, otherwise, do not reach cut-off condition; Wherein, T3a > T3b.
9. control method according to claim 8, is characterized in that, T3a=55 ~ 65 DEG C, T3b=35 ~ 45 DEG C.
10. control method as claimed in any of claims 1 to 9, is characterized in that, also comprises the steps: before described step S5
If reach cut-off condition, then enter delay switching-off state, under delay switching-off state, detect the temperature of the surveyed area below described smoke exhaust ventilator in real time, judge whether to reach compressor start up condition according to the temperature detected, if, then proceed to described step S3, if not, then judge whether the time entering delay switching-off state reaches setting-up time t, if so, described step S5 is proceeded to.
11. 1 kinds of smoke exhaust ventilators, comprising:
Housing, bottom surface is provided with inlet scoop;
Blower fan, is arranged in described housing, enters into described housing for making oil smoke through described inlet scoop;
Master controller, is arranged in described housing, for controlling described blower fan;
It is characterized in that, also comprise:
Infrared ray sensor, is arranged on the bottom surface of described housing, and is connected with described master controller, for detecting the infrared ray of the surveyed area below described smoke exhaust ventilator, and produces temperature signal according to described infrared energy;
Described infrared ray sensor sends described temperature signal to described master controller, and described master controller receives the temperature signal that described infrared ray sensor sends, and controls described blower fan according to described temperature signal.
12. smoke exhaust ventilators according to claim 11, is characterized in that, described infrared ray sensor is infrared array sensor.
CN201410076833.6A 2014-03-04 2014-03-04 Smoke exhaust ventilator and its control method Active CN104896542B (en)

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Cited By (10)

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CN106871201A (en) * 2017-03-23 2017-06-20 广东美的厨房电器制造有限公司 Range hood and its control method and device
CN107062325A (en) * 2017-03-15 2017-08-18 珠海格力电器股份有限公司 Kitchen Ventilator and Cooking Stove combined system and its control method
CN107270342A (en) * 2017-06-15 2017-10-20 珠海格力电器股份有限公司 Electric cooker, lampblack absorber and its inter-linked controlling method and control device
CN107327413A (en) * 2016-04-30 2017-11-07 华帝股份有限公司 The oil smoke detection method of high reliability
CN107339248A (en) * 2016-04-30 2017-11-10 华帝股份有限公司 A kind of oil smoke detection method of high reliability
CN108278651A (en) * 2018-04-24 2018-07-13 广东美的厨房电器制造有限公司 Range hood and its control method and system and open fire detection method and device
CN108386883A (en) * 2018-03-07 2018-08-10 杭州老板电器股份有限公司 The inter-linked controlling method of smoke machine and cooking utensils, apparatus and system
CN109323308A (en) * 2018-07-13 2019-02-12 浙江绍兴苏泊尔生活电器有限公司 Smoke exhaust ventilator and its control method
CN109915866A (en) * 2017-12-12 2019-06-21 众智光电科技股份有限公司 Smoke exhaust ventilator
CN109945259A (en) * 2019-03-14 2019-06-28 佛山市顺德区美的洗涤电器制造有限公司 The control method and control device to link for kitchen ventilator and kitchen range

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CN107327413B (en) * 2016-04-30 2019-03-08 华帝股份有限公司 The oil smoke detection method of high reliability
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CN107339248A (en) * 2016-04-30 2017-11-10 华帝股份有限公司 A kind of oil smoke detection method of high reliability
CN107062325A (en) * 2017-03-15 2017-08-18 珠海格力电器股份有限公司 Kitchen Ventilator and Cooking Stove combined system and its control method
CN106871201A (en) * 2017-03-23 2017-06-20 广东美的厨房电器制造有限公司 Range hood and its control method and device
CN107270342A (en) * 2017-06-15 2017-10-20 珠海格力电器股份有限公司 Electric cooker, lampblack absorber and its inter-linked controlling method and control device
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CN108278651A (en) * 2018-04-24 2018-07-13 广东美的厨房电器制造有限公司 Range hood and its control method and system and open fire detection method and device
CN109323308A (en) * 2018-07-13 2019-02-12 浙江绍兴苏泊尔生活电器有限公司 Smoke exhaust ventilator and its control method
CN109945259A (en) * 2019-03-14 2019-06-28 佛山市顺德区美的洗涤电器制造有限公司 The control method and control device to link for kitchen ventilator and kitchen range

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