CN203571824U - Forced starting switch for range hood and range hood with switch - Google Patents
Forced starting switch for range hood and range hood with switch Download PDFInfo
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- CN203571824U CN203571824U CN201320602366.7U CN201320602366U CN203571824U CN 203571824 U CN203571824 U CN 203571824U CN 201320602366 U CN201320602366 U CN 201320602366U CN 203571824 U CN203571824 U CN 203571824U
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- range hood
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- temperature
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Abstract
The utility model discloses a forced starting switch for a range hood and the range hood with the switch. The forced starting switch comprises a circuit device and a short wave ultraviolet sensor, wherein when the short wave ultraviolet sensor senses flame and sends a flame sensing signal to the circuit device, the circuit device sends a forced starting signal to a central processor of the range hood, so that the central processor controls a motor to be started, and a fan connected with the motor can execute smoke discharging operation. Therefore, the forced starting switch disclosed by the utility model is high in sensitivity and can effectively avoid mis-operation.
Description
Technical field
The utility model is relevant with range hood, espespecially a kind of force start switch for range hood.
Background technology
General housewife can determine whether start range hood according to the degree of oil smoke and high temperature when culinary art, and often because want to save the expenditure of the electricity charge, so can not use range hood when culinary art as far as possible, but such result not only easily causes the indoor oil smoke that is covered with, also can produce injury to a certain degree to household's respiratory system simultaneously.
In order to address the above problem, some fume eliminating chance installs a flame sensor additional, its cardinal principle is that ultraviolet ray, infrared ray and the visible ray etc. that by flame, in combustion process, give off carry out sensing, once flame sensor senses flame, range hood just can be forced to start the action of discharging fume.With regard to prior art, as No. 201321680 patent of TaiWan, China, use the temperature of infrared temperature detector detecting range hood below, make the temperature that control circuit detects according to infrared temperature detector control blower motor startup and close.Yet in aforementioned patent, the induction infrared ray of take be main infrared temperature detector be easy to be subject to human body or arround there is heat energy environmental factor disturb and produce misoperation, if want, avoid misoperation and during by the sensitivity of infrared temperature detector, but can cause infrared temperature detector cannot accurately detect the temperature of range hood below, therefore, described patent can cause user's puzzlement and inconvenience when reality is used.
In addition, if flame sensor uses general quartz burner as sensing element, due to quartz burner can sensing optical wavelength range haply between 250～400um, so be easy to be subject to the impact of long wave ultraviolet (wavelength is between between 315～400nm) that sunlight gives off or ultraviolet B radiation (wavelength is between 280～315nm), produce misoperation, when reality is used, equally also can cause user's puzzlement and inconvenience.
Utility model content
The main purpose of this creation is to provide a kind of pressure activator switch for range hood, and it has good sensing sensitivity and does not have the generation of misoperation, accurately to control the fan action of discharging fume.
In order to reach aforementioned object, the force start switch of this creation includes a circuit arrangement and a short wave ultraviolet sensor.This circuit arrangement is electrically connected a central processing unit of this range hood; This short wave ultraviolet sensor electrically connects this circuit arrangement, thus, when this short wave ultraviolet sensor senses flame and sends a flame sensing signal to this circuit arrangement, this circuit arrangement can transmit a force start signal to the central processing unit of this range hood, make this central processing unit control this motor starting, a fan that makes to connect this motor action of discharging fume.
Preferably, this central processing unit is electrically connected a blower fan temperature sensor and a temperature sensor, when this blower fan temperature sensor and this temperature sensor send respectively one first temperature sensing signal and one second temperature sensing signal to this central processing unit, this central processing unit can calculate one first temperature value and one second temperature value according to this first, second temperature sensing signal, and by the temperature difference between this first, second temperature value, is adjusted the rotating speed size of this motor.Thus, if the temperature difference between this first, second temperature value is larger, the rotating speed of this motor can be higher.
Preferably, between this central processing unit and this motor, be provided with a shutdown and confirm circuit, when this short wave ultraviolet sensor sensing is during less than flame, this central processing unit can start this shutdown and confirm circuit, in the mode of countdowning, set the unused time of this motor, in the time that this fan is countdowned at this, residual oil smoke is discharged.
Accompanying drawing explanation
Fig. 1 is for being used the structural representation of range hood of the present utility model.
Fig. 2 is block diagram of the present utility model.
Fig. 3 is operational flowchart of the present utility model.
Fig. 4 is another operational flowchart of the present utility model.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
[description of reference numerals]
10 range hood 12 gas ovens
14 casing 16 blower fans
162 motor 164 fans
18 illuminating lamp 20 force start switches
21 circuit arrangement 22 short wave ultraviolet sensors
24 central processing unit 26 blower fan temperature sensors
28 temperature sensor 30 power switches
32 air rate adjustment switch 34 first paragraph wind speed display lamps
36 the 3rd section of second segment wind speed display lamp 38 wind speed display lamps
Refer to Fig. 1, range hood 10 shown in figure is positioned at the top of a gas oven 12 and includes a casing 14 being fixed on wall, one is located at the blower fan 16 in casing 14, an and illuminating lamp 18 of being located in casing 14, blower fan 16 wherein has the motor 162 that a fan 164 and connects fan 164, make fan 164 can be subject to the driving of motor 162 and rotate, in order to the action of discharging fume, in addition, in the casing 14 of range hood 10, be provided with a central processing unit 24, central processing unit 24 is electrically connected the motor 162 of blower fan 16, in order to control motor 162, start or close.Please also refer to Fig. 2, force start switch 20 of the present utility model includes a circuit arrangement 21 and a short wave ultraviolet sensor 22.
Short wave ultraviolet sensor 22 is electrically connected circuit arrangement 21, and can be installed near on the wall of gas oven 12, in the casing 14 of the range hood 10 or position of the flame that produces of other stove fires that can sense gas oven 12 according to actual needs, wherein take that to be installed in casing 14 be the best, but not as limit.
In addition, range hood 10 more includes a blower fan temperature sensor 26 and a temperature sensor 28.Blower fan temperature sensor 26 is installed in casing 14 and is positioned at the position near blower fan 16, in order to the temperature around sensing blower fan 16, sends one first temperature sensing signal to central processing unit 24; Temperature sensor 28 can be installed on range hood 10 wall around or casing 14 surfaces of range hood 10 according to actual needs, at this, take and be installed on range hood 10 wall to be around embodiment, in order to the temperature of sensing indoor environment, to send one second temperature sensing signal to central processing unit 24.Thus, central processing unit 24 can calculate temperature approach between the two after receiving the first temperature sensing signal of blower fan temperature sensor 26 and the second temperature sensing signal of temperature sensor 28, and according to this temperature approach, adjusts the rotating speed size of the motor 162 of blower fan 16.
When practical operation, as shown in Figure 3, in the time of will starting blower fan 16 under the state that gas oven 12 is not being opened fire, because short wave ultraviolet sensor 22 sensings are less than stove fire, so the motor 162 of blower fan 16 can not be forced to start, user now need to be by motor 162 and the illuminating lamp 18 of pressing a power switch 30 and start blower fan 16, after pushing power switch 30, the rotating speed that user can relend by the motor 162 of 32 pairs of blower fans 16 of Manual press one air rate adjustment switch carries out first paragraph running (that is low-speed running), second segment running (that is middling speed running) or the 3rd section of running (that is running up), when pressing air rate adjustment switch 32, can according to the rotating speed size of motor 162, open respectively a first paragraph wind speed display lamp 34 again, one second segment wind speed display lamp 36 and one the 3rd section of wind speed display lamp 38, then as long as the motor 162 that pushing power switch 30 can be controlled blower fan 16 again shuts down, close in the lump illuminating lamp 18 and each section of wind speed display lamp 34 simultaneously, 36, 38.
Again as shown in Figure 4, while opening gas oven 12 under the situation that user does not start at blower fan 16, the short wave ultraviolet (wavelength is between 100～280nm) that short wave ultraviolet sensor 22 can sensing stove fires sends and send a flame sensing signal to circuit arrangement 21, then circuit arrangement 21 can send a force start signal again to central processing unit 24, the motor 162 of central processing unit 24 meeting force start blower fans 16 is now done first paragraph running (that is low-speed running), make the discharge fume action and simultaneously open illuminating lamp 18 and first paragraph wind speed display lamp 34 of the fan 164 of blower fan 16, then the motor 162 at blower fan 16 carries out a Preset Time (approximately 15 seconds) afterwards with first paragraph running, blower fan temperature sensor 26 and temperature sensor 28 can start respectively the temperature around blower fan 16 and the temperature of indoor environment to start to carry out sensing, and send respectively first, the second temperature signal is to central processing unit 24, make central processing unit 24 obtain the first temperature value around of blower fans 16 and the second temperature value of indoor environment, when first, the temperature difference between the second temperature value is when one first default temperature (below approximately 2 ℃), the motor 162 that central processing unit 24 can be controlled blower fan 16 continues to carry out first paragraph running, continue to open first paragraph wind speed display lamp 34 simultaneously, when first, the temperature difference between the second temperature value is when one second default temperature (between 2～5 ℃), the motor 162 that central processing unit 24 is controlled blower fan 16 carries out second segment running (that is middling speed running), open second segment wind speed display lamp 36 simultaneously, when first, the temperature difference between the second temperature value is when one the 3rd default temperature (more than approximately 5 ℃), the motor 162 that central processing unit 24 is controlled blower fan 16 carries out the 3rd section of running (that is running up), open the 3rd section of wind speed display lamp 38 simultaneously.
On the other hand, after gas oven 12 is closing fire, short wave ultraviolet sensor 22 can stop sending flame sensing signal to circuit arrangement 21 by sensing less than flame, make circuit arrangement 21 stop sending force start signal to central processing unit 24, central processing unit 24 now can start a shutdown and confirm circuit 40, to control the motor 162 of blower fan 16, enter the off-mode of countdowning, the fan 164 of blower fan 16 can be discharged residual oil smoke within the time of countdowning, until just can shut down after a Preset Time (take 3 minutes as example at this), yet in this Preset Time, user can press the rotating speed that air rate adjustment switch 32 is controlled the motor 162 of blower fan 16 voluntarily, but do not affect the setting of delaying shutdown.At this, it should be added that in addition, if can cancelling the shutdown of countdowning during pushing power switch 30 in this Preset Time, user sets, motor 162 and the illuminating lamp 18 of blower fan 16 are together closed, moreover, if can cancel equally the shutdown of countdowning when short wave ultraviolet sensor 22 once more senses flame in this Preset Time sets, make the motor 162 of blower fan 16 continue to turn round with first paragraph, in addition, illuminating lamp 18 can also be pressed a light switch 42 by manual mode and control, if press after light switch 42 closes illuminating lamp 18 with manual mode, just must with manual mode, press light switch 42 again opens illuminating lamp 18, or must wait until when next short wave ultraviolet sensor 22 senses flame, by central processing unit 24 enforced openings.
In sum, the short wave ultraviolet that force start switch 20 of the present utility model sends by short wave ultraviolet sensor 22 sensing flames comes the fan 164 of force start blower fan 16 to discharge fume, compared to general common infrared fire optical sensor or other flame sensors that uses general quartz burner, force start switch 20 of the present utility model has better induction speed and sensitivity really, is not easy to be subject to the interference of human body, sunlight or other external environment factors and reaches the object of effectively avoiding producing misoperation.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. for a force start switch for range hood, this range hood includes the central processing unit that a blower fan and is electrically connected this blower fan, it is characterized in that, this force start switch includes:
One circuit arrangement, is electrically connected the central processing unit of this range hood; And
One short wave ultraviolet sensor, be electrically connected this circuit arrangement, when this short wave ultraviolet sensor senses flame and sends a flame sensing signal to this circuit arrangement, this circuit arrangement can send a force start signal to the central processing unit of this range hood, makes this central processing unit control this fan starting.
2. the force start switch for range hood as claimed in claim 1, wherein this short wave ultraviolet sensor in order to sensing wavelength the short wave ultraviolet between 100～280nm.
3. use a range hood for force start switch as claimed in claim 1, include:
One blower fan, has the motor that a fan and connects this fan;
One central processing unit, is electrically connected the motor of this blower fan, in order to control the startup of this motor or to cut out; And
One force start switch, there is a circuit arrangement and a short wave ultraviolet sensor, this circuit arrangement is electrically connected this central processing unit, this short wave ultraviolet sensor electrically connects this circuit arrangement, when this short wave ultraviolet sensor senses flame and sends a flame sensing signal to this circuit arrangement, this circuit arrangement can send a force start signal to this central processing unit, makes this central processing unit control this motor starting.
4. range hood as claimed in claim 3, more include a blower fan temperature sensor and a temperature sensor, this blower fan protractor and this temperature sensor are electrically connected respectively this central processing unit, when this blower fan temperature sensor and this temperature sensor send respectively one first temperature sensing signal and one second temperature sensing signal to this central processing unit, this central processing unit can according to this first, the second temperature sensing signal and calculate respectively one first temperature value and one second temperature value, and by this first, the temperature difference between the second temperature value and adjust the rotating speed size of this motor.
5. range hood as claimed in claim 4, wherein when the temperature difference between this first, second temperature value is below 2 ℃ time, this central processing unit is controlled this motor and is carried out first paragraph running, when the temperature difference between this first, second temperature value is during between 2～5 ℃, this central processing unit is controlled this motor and is carried out second segment running, when the temperature difference between this first, second temperature value is when more than 5 ℃, this central processing unit is controlled this motor and is carried out the 3rd section of running.
6. range hood as claimed in claim 5, wherein this central processing unit is electrically connected a first paragraph wind speed display lamp, a second segment wind speed display lamp, and one the 3rd section of wind speed display lamp, when this central processing unit, controlling this motor carries out first paragraph running and can open this first paragraph wind speed display lamp simultaneously, when this central processing unit, control this motor and carry out second segment running and can open this second segment wind speed display lamp simultaneously, when this central processing unit, control this motor and carry out the 3rd section of running and can open the 3rd section of wind speed display lamp simultaneously.
7. range hood as claimed in claim 4, wherein between this central processing unit and the motor of this blower fan, be connected with a shutdown and confirm circuit, when this short wave ultraviolet sensor sensing is during less than flame, this central processing unit can start this shutdown and confirm circuit, sets the unused time of this motor in the mode of countdowning.
8. range hood as claimed in claim 7, wherein the unused time of this motor is 3 minutes.
9. range hood as claimed in claim 3, wherein this short wave ultraviolet sensor in order to sensing wavelength the short wave ultraviolet between 100～280nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320602366.7U CN203571824U (en) | 2013-09-27 | 2013-09-27 | Forced starting switch for range hood and range hood with switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320602366.7U CN203571824U (en) | 2013-09-27 | 2013-09-27 | Forced starting switch for range hood and range hood with switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203571824U true CN203571824U (en) | 2014-04-30 |
Family
ID=50539555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320602366.7U Expired - Fee Related CN203571824U (en) | 2013-09-27 | 2013-09-27 | Forced starting switch for range hood and range hood with switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203571824U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515169A (en) * | 2013-09-27 | 2015-04-15 | 耀颢科技有限公司 | Forced starting switch for range hood, and range hood with switch |
| CN113167481A (en) * | 2018-11-29 | 2021-07-23 | 布罗恩-努托恩有限责任公司 | Intelligent indoor ventilation system |
-
2013
- 2013-09-27 CN CN201320602366.7U patent/CN203571824U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104515169A (en) * | 2013-09-27 | 2015-04-15 | 耀颢科技有限公司 | Forced starting switch for range hood, and range hood with switch |
| CN113167481A (en) * | 2018-11-29 | 2021-07-23 | 布罗恩-努托恩有限责任公司 | Intelligent indoor ventilation system |
| US12066192B2 (en) | 2018-11-29 | 2024-08-20 | Broan-Nutone Llc | Smart indoor air venting system |
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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 |
Granted publication date: 20140430 Termination date: 20200927 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |