CN104534536A - Infrared touch control method and system for extractor hood - Google Patents
Infrared touch control method and system for extractor hood Download PDFInfo
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- CN104534536A CN104534536A CN201510010823.7A CN201510010823A CN104534536A CN 104534536 A CN104534536 A CN 104534536A CN 201510010823 A CN201510010823 A CN 201510010823A CN 104534536 A CN104534536 A CN 104534536A
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- infrared
- infrared touch
- optical filter
- touch controller
- touch
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electronic Switches (AREA)
- Ventilation (AREA)
Abstract
The invention provides an infrared touch control method and system for an extractor hood. The infrared touch control method for the extractor hood comprises the following steps that S1, an infrared emitting device emits infrared light to a light filter periodically; S2, an infrared receiving sensor acquires infrared light reflected by the light filter, converts a light signal into an electric signal and sends the electric signal to an infrared touch controller, and the infrared touch controller judges the action of an infrared touch key on the light filter according to the received signal and electrically sends a corresponding control signal to a motor or a lighting lamp of the extractor hood; S3, the motor or the lighting lamp of the extractor hood receives the control signal sent by the infrared touch controller and gives a corresponding response. According to the infrared touch control method and system for the extractor hood, the infrared light emitting device emits infrared light to the light filter periodically so as to drive the infrared touch controller to control the extractor hood, compared with a capacitive touch type switch, the influence of oil water is small, long-term operation of the infrared emitting device is not needed, and stand-by power consumption and heating quantity are kept low.
Description
Technical field
The present invention relates to kitchen guarding's technical field of electric appliances, particularly a kind of controlling infrared touch of range hood and system.
Background technology
The range hood of touch control is strong because of fashionable appearance, science and technology sense, enjoys favor in recent years.The capacitive touch switch generally adopted, because its work is based on the weak capacitive change produced during electrical conductivity object (such as finger) touch sensible electrode, when external environment condition changes greatly when water stain (such as panel or finger are stained with oil stain), easily lost efficacy.
Infrared touch switch is because its work is based on optical principle, and affect less by oil stain is water stain, reliability is higher.The usual operating current of infrared-emitting diode used by infrared touch switch is larger, if its for a long time in running order (launch infrared light state) larger stand-by power consumption and severe heat dissipation problem will be brought, therefore can not be long-term in running order as the touch sensible chip in conventional capacitive touch switch, need to seek a kind of can maintenance compared with the controlling infrared touch not affecting touch key-press sensitivity while low standby power loss and less caloric value.
Summary of the invention
The invention provides a kind of controlling infrared touch of range hood, realize the object compared with low standby power loss.
Another object of the present invention is the control system of the infrared touch control system providing a kind of range hood.
In order to reach above-mentioned technical purpose, technical scheme of the present invention is as follows:
A controlling infrared touch for range hood, comprises the following steps:
S1: infrared launcher periodically launches infrared light to optical filter;
S2: on the corresponding optical filter of each infrared receiver sensor, touch area forms a virtual infrared touch button, infrared touch button is touched by the finger the infrared light that rear infrared receiver cycle sensor gathers touch area reflection corresponding on optical filter, optical signal is converted into the signal of telecommunication and is sent to infrared touch controller, infrared touch controller judges the action of the infrared touch button on optical filter according to the signal of this reception, sends corresponding control signal according to infrared touch actuation of keys to the motor of range hood or illuminating lamp electricity;
S3: the control signal that the motor of range hood or illuminating lamp receive the transmission of infrared touch controller makes corresponding response.
The present invention is based on the touch control of optical principle realization to range hood, the mechanical switch utilizing the combination replacement of infrared light emission device and optical filter traditional and electronic touch type switch, allow infrared light emission device periodically launch infrared light to optical filter and complete control to range hood to drive infrared touch controller, relative to capacitative touch switch, by oil stain water stain affect less, reliability is higher, and maintains compared with low standby power loss and less caloric value.
Further, the work period that described infrared launcher periodically launches infrared light to optical filter comprises infrared emission working time t1 and infrared emission free time t2; The infrared light that the detection infrared launcher of described infrared receiver cycle sensor is launched output detections value, detection when this periodicity testing process comprises infrared emission work and infrared emission idle time detection, t3 detection time during infrared emission work comprises t31 and sampling time t32 stabilization time, t4 detection time when infrared emission is idle comprises t41 and t42 stabilization time, the starting point of t3 overlaps with the starting point of t1, and the starting point of t4 overlaps with the terminal of t1.
Detection time to infrared light is also set in the present invention in infrared emission working time t1 and infrared emission free time t2, the object done like this is to ensure that infrared receiver sensor is in best sampling periods, thus the sensitivity avoided causing distorted signals because sampling time selection is improper and reduce system.
Further, the action of infrared touch button comprise short by, long by, button release,
Further, infrared touch controller judges that the process of infrared touch actuation of keys is as follows:
S21: infrared touch controller obtains infrared touch key value;
S22: infrared touch controller judges that whether the infrared touch key value that present scan obtains is identical with last time, if so, then performs S24, otherwise perform S23;
S23: disappear in infrared touch controller and tremble clocking value and initialize and be back to S21;
S24: disappear and tremble clocking value+1;
S25: infrared touch controller judges to disappear and trembles clocking value and whether equal short and tremble threshold value by disappearing, and if so, then performs S26, otherwise performs S27;
S26: infrared touch controller judges whether infrared touch key value is greater than zero, if so, then performs S210, otherwise perform S29;
S27: infrared touch controller judges to disappear and trembles clocking value and whether equal long and tremble threshold value by disappearing, and if so, then performs S28, otherwise is back to S21;
S28: infrared touch controller judges whether infrared touch key value is greater than zero, if so, then performs S212, otherwise perform S29;
S29: infrared touch controller judges whether infrared touch key value equals zero, and if so, then performs S211, otherwise is back to S21;
S210: infrared touch controller be judged as short by and be back to S21;
S211: be judged as that button discharges and is back to S21;
S212: be judged as growing by and being back to S21.
Further, the process obtaining infrared touch key value in step S21 is as follows:
S31: infrared touch controller reads the infrared detection output valve of the corresponding infrared receiver sensor of each infrared touch button when infrared-emitting diode infrared emission working time and infrared emission free time;
S32: infrared touch controller is poor in the infrared detection output valve of infrared-emitting diode infrared emission working time and infrared emission free time by each infrared touch button, obtain the clean output valve of the corresponding infrared detection of each infrared touch button, the clean output valve of this infrared detection is as an infrared touch key value.
An infrared touch control system for range hood, comprises the infrared touch switch module be arranged on kitchen ventilator machine body and controls substrate, optical filter, infrared launcher, some infrared receiver sensors and infrared touch controller; Infrared launcher and infrared receiver sensor are arranged on infrared touch switch module and control on substrate, optical filter is mounted on infrared receiver sensor, a touch area on the corresponding optical filter of each infrared receiver sensor forms a virtual infrared touch button, infrared launcher is positioned at that the end face of optical filter is other makes its light emission direction vertical with optical filter end face and parallel with infrared receiver sensor photosensitive face, infrared receiver sensor is electrically connected with infrared touch controller, and motor and the illuminating lamp of infrared touch controller and range hood are electrically connected.
Preferably, described infrared launcher is infrared-emitting diode.
Preferably, described infrared-emitting diode, infrared receiver sensor are consistent with the operating wavelength range of optical filter, and the operating central wavelength of infrared-emitting diode, infrared receiver sensor and optical filter is 850nm.
Preferably, described optical filter is acrylic material and end face has carried out the optical filter of polishing.
Compared with prior art, the beneficial effect of technical solution of the present invention is:
1, the present invention allows infrared light emission device periodically launch infrared light to optical filter and completes control to range hood to drive infrared touch controller, relative to capacitative touch switch, by oil stain water stain affect less, reliability is higher, and infrared launcher need not be allowed for a long time to be in work hit him, and maintain compared with low standby power loss and less caloric value.
2, detection time to infrared light is also set in the present invention in infrared emission working time and infrared emission free time, the object done like this is to ensure that infrared receiver sensor is in best sampling periods, thus the sensitivity avoided causing distorted signals because sampling time selection is improper and reduce system.
Accompanying drawing explanation
Fig. 1 is system control method flow chart in the embodiment of the present invention 1;
Fig. 2 is system works sequential chart in the embodiment of the present invention 1;
Fig. 3 is infrared touch actuation of keys deterministic process flow chart in the embodiment of the present invention 1;
Fig. 4 is that in the embodiment of the present invention 1, infrared touch key value obtains flow chart;
Fig. 5 is system works structural representation in the embodiment of the present invention 2;
Fig. 6 is system architecture schematic diagram in the embodiment of the present invention 2.
Detailed description of the invention
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent;
In order to better the present embodiment is described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product;
To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
Below in conjunction with drawings and Examples, technical scheme of the present invention is described further.
Embodiment 1
As shown in Figure 1, a kind of controlling infrared touch of range hood, comprises the following steps:
S1: infrared launcher periodically launches infrared light to optical filter;
S2: on the corresponding optical filter of each infrared receiver sensor, touch area forms a virtual infrared touch button, infrared touch button is touched by the finger the infrared light that rear infrared receiver cycle sensor gathers touch area reflection corresponding on optical filter, optical signal is converted into the signal of telecommunication and is sent to infrared touch controller, infrared touch controller judges the action of the infrared touch button on optical filter according to the signal of this reception, sends corresponding control signal according to infrared touch actuation of keys to the motor of range hood or illuminating lamp electricity;
S3: the control signal that the motor of range hood or illuminating lamp receive the transmission of infrared touch controller makes corresponding response.
Allow infrared light emission device periodically launch infrared light to optical filter in the present embodiment and complete control to range hood to drive infrared touch controller, relative to capacitative touch switch, by oil stain water stain affect less, reliability is higher, and infrared launcher need not be allowed for a long time to be in work hit him, and maintain compared with low standby power loss and less caloric value.
As shown in Figure 2, the work period that infrared launcher periodically launches infrared light to optical filter comprises infrared emission working time t1 and infrared emission free time t2; The infrared light that the detection infrared launcher of described infrared receiver cycle sensor is launched output detections value, detection when this periodicity testing process comprises infrared emission work and infrared emission idle time detection, t3 detection time during infrared emission work comprises t31 and sampling time t32 stabilization time, t4 detection time when infrared emission is idle comprises t41 and t42 stabilization time, the starting point of t3 overlaps with the starting point of t1, and the starting point of t4 overlaps with the terminal of t1.Detection time to infrared light is also set in the present embodiment in infrared emission working time and infrared emission free time, the object done like this is to ensure that infrared receiver sensor is in best sampling periods, thus the sensitivity avoided causing distorted signals because sampling time selection is improper and reduce system.
As shown in Figure 3, infrared touch controller can complete power-up initializing before operation, setting infrared detection output reference value, shortly trembling threshold value by disappearing, longly trembling threshold value and the work such as trembling clocking value that disappears by disappearing; Infrared touch actuation of keys comprise short by, long by, button release; The signal that infrared touch controller receives infrared receiver sensor judges that the process of infrared touch actuation of keys is as follows:
S21: infrared touch controller obtains infrared touch key value;
S22: infrared touch controller judges that whether the infrared touch key value that present scan obtains is identical with last time, if so, then performs S24, otherwise perform S23;
S23: disappear in infrared touch controller and tremble clocking value and initialize and be back to S21;
S24: disappear and tremble clocking value+1;
S25: infrared touch controller judges to disappear and trembles clocking value and whether equal short and tremble threshold value by disappearing, and if so, then performs S26, otherwise performs S27;
S26: infrared touch controller judges whether infrared touch key value is greater than zero, if so, then performs S210, otherwise perform S29;
S27: infrared touch controller judges to disappear and trembles clocking value and whether equal long and tremble threshold value by disappearing, and if so, then performs S28, otherwise is back to S21;
S28: infrared touch controller judges whether infrared touch key value is greater than zero, if so, then performs S212, otherwise perform S29;
S29: infrared touch controller judges whether infrared touch key value equals zero, and if so, then performs S211, otherwise is back to S21;
S210: infrared touch controller be judged as short by and be back to S21;
S211: be judged as that button discharges and is back to S21;
S212: be judged as growing by and being back to S21.
As shown in Figure 4, the process obtaining infrared touch key value is as follows:
S31: infrared touch controller reads the infrared detection output valve of the corresponding infrared receiver sensor of each infrared touch button when infrared-emitting diode infrared emission working time and infrared emission free time;
S32: infrared touch controller is poor in the infrared detection output valve of infrared-emitting diode infrared emission working time and infrared emission free time by each infrared touch button, obtain the clean output valve of the corresponding infrared detection of each infrared touch button, the clean output valve of this infrared detection is as an infrared touch key value.
Embodiment 2
As seen in figs. 5-6, an infrared touch control system for range hood, comprises the infrared touch switch module be arranged on kitchen ventilator machine body and controls substrate 26, optical filter 21, infrared launcher 22, some infrared receiver sensors 24 and infrared touch controller 25, infrared launcher 22 and infrared receiver sensor 24 are arranged on infrared touch switch module and control on substrate 26, optical filter 21 is mounted on infrared receiver sensor 24, a touch area on the corresponding optical filter of each infrared receiver sensor 24 21 forms a virtual infrared touch button, the end face side that infrared launcher 22 is positioned at optical filter 21 makes its light emission direction vertical with optical filter 21 end face and parallel with infrared receiver sensor 24 photosurface, infrared receiver sensor 24 is electrically connected with infrared touch controller 25, motor or the illuminating lamp of infrared touch controller 25 and range hood are electrically connected.
In the present embodiment, infrared launcher 22 is infrared-emitting diodes; Infrared-emitting diode, infrared receiver sensor 24 are consistent with the operating wavelength range of optical filter 21, the operating central wavelength of infrared-emitting diode, infrared receiver sensor 24 and optical filter 21 is 850nm, in order to the sensitivity improving whole system just makes infrared-emitting diode, infrared receiver sensor 24 consistent with the operating wavelength range of optical filter 21; Optical filter 21 is acrylic material and end face carried out the optical filter of polishing.
The corresponding same or analogous parts of same or analogous label;
Describe in accompanying drawing position relationship for only for exemplary illustration, the restriction to this patent can not be interpreted as;
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (9)
1. a controlling infrared touch for range hood, is characterized in that, comprises the following steps:
S1: infrared launcher periodically launches infrared light to optical filter;
S2: on the corresponding optical filter of each infrared receiver sensor, touch area forms a virtual infrared touch button, infrared touch button is touched by the finger the infrared light that rear infrared receiver cycle sensor gathers touch area reflection corresponding on optical filter, optical signal is converted into the signal of telecommunication and is sent to infrared touch controller, infrared touch controller judges the action of the infrared touch button on optical filter according to the signal of this reception, sends corresponding control signal according to infrared touch actuation of keys to the motor of range hood or illuminating lamp electricity;
S3: the control signal that the motor of range hood or illuminating lamp receive the transmission of infrared touch controller makes corresponding response.
2. the controlling infrared touch of range hood according to claim 1, is characterized in that, the work period that described infrared launcher periodically launches infrared light to optical filter comprises infrared emission working time t1 and infrared emission free time t2; The infrared light that the detection infrared launcher of described infrared receiver cycle sensor is launched output detections value, detection when this periodicity testing process comprises infrared emission work and infrared emission idle time detection, t3 detection time during infrared emission work comprises t31 and sampling time t32 stabilization time, t4 detection time when infrared emission is idle comprises t41 and t42 stabilization time, the starting point of t3 overlaps with the starting point of t1, and the starting point of t4 overlaps with the terminal of t1.
3. the controlling infrared touch of range hood according to claim 1, is characterized in that, in described step S2, the action of infrared touch button comprise short by, long by, button release.
4. the controlling infrared touch of range hood according to claim 3, is characterized in that, infrared touch controller judges that the process of infrared touch actuation of keys is as follows:
S21: infrared touch controller obtains infrared touch key value;
S22: infrared touch controller judges that whether the infrared touch key value that present scan obtains is identical with last time, if so, then performs S24, otherwise perform S23;
S23: disappear in infrared touch controller and tremble clocking value and initialize and be back to S21;
S24: disappear and tremble clocking value+1;
S25: infrared touch controller judges to disappear and trembles clocking value and whether equal short and tremble threshold value by disappearing, and if so, then performs S26, otherwise performs S27;
S26: infrared touch controller judges whether infrared touch key value is greater than zero, if so, then performs S210, otherwise perform S29;
S27: infrared touch controller judges to disappear and trembles clocking value and whether equal long and tremble threshold value by disappearing, and if so, then performs S28, otherwise is back to S21;
S28: infrared touch controller judges whether infrared touch key value is greater than zero, if so, then performs S212, otherwise perform S29;
S29: infrared touch controller judges whether infrared touch key value equals zero, and if so, then performs S211, otherwise is back to S21;
S210: infrared touch controller be judged as short by and be back to S21;
S211: be judged as that button discharges and is back to S21;
S212: be judged as growing by and being back to S21.
5. the controlling infrared touch of range hood according to claim 3, is characterized in that, the process obtaining infrared touch key value in step S21 is as follows:
S31: infrared touch controller reads the infrared detection output valve of the corresponding infrared receiver sensor of each infrared touch button when infrared-emitting diode infrared emission working time and infrared emission free time;
S32: infrared touch controller is poor in the infrared detection output valve of infrared-emitting diode infrared emission working time and infrared emission free time by each infrared touch button, obtain the clean output valve of the corresponding infrared detection of each infrared touch button, the clean output valve of this infrared detection is as an infrared touch key value.
6. one kind realizes the system of the controlling infrared touch of the range hood as described in any one of claim 1-4, it is characterized in that, comprise the infrared touch switch module be arranged on kitchen ventilator machine body and control substrate, optical filter, infrared launcher, some infrared receiver sensors and infrared touch controller; Infrared launcher and infrared receiver sensor are arranged on infrared touch switch module and control on substrate, optical filter is mounted on infrared receiver sensor, a touch area on the corresponding optical filter of each infrared receiver sensor forms a virtual infrared touch button, infrared launcher is positioned at that the end face of optical filter is other makes its light emission direction vertical with optical filter end face and parallel with infrared receiver sensor photosensitive face, infrared receiver sensor is electrically connected with infrared touch controller, and motor and the illuminating lamp of infrared touch controller and range hood are electrically connected.
7. the infrared touch control system of range hood according to claim 5, is characterized in that, described infrared launcher is infrared-emitting diode.
8. the infrared touch control system of range hood according to claim 5, it is characterized in that, described infrared-emitting diode, infrared receiver sensor are consistent with the operating wavelength range of optical filter, and the operating central wavelength of infrared-emitting diode, infrared receiver sensor and optical filter is 850nm.
9. the infrared touch control system of range hood according to claim 5, is characterized in that, described optical filter is acrylic material and end face has carried out the optical filter of polishing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510010823.7A CN104534536B (en) | 2015-01-09 | 2015-01-09 | Infrared touch control method and system for extractor hood |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510010823.7A CN104534536B (en) | 2015-01-09 | 2015-01-09 | Infrared touch control method and system for extractor hood |
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| CN104534536A true CN104534536A (en) | 2015-04-22 |
| CN104534536B CN104534536B (en) | 2017-05-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107332569A (en) * | 2017-06-12 | 2017-11-07 | 苏州贝艾尔净化科技有限公司 | The control method of new trend controller touch key-press |
| CN110297569A (en) * | 2019-06-27 | 2019-10-01 | 海信（山东）空调有限公司 | A kind of detection method and device |
| CN110719672A (en) * | 2019-09-16 | 2020-01-21 | 赛尔富电子有限公司 | Active infrared type touch controller, light control system and method |
| CN116147040A (en) * | 2023-04-17 | 2023-05-23 | 杭州老板电器股份有限公司 | Air valve control method and system of variable-frequency range hood |
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| DE102012201197A1 (en) * | 2012-01-27 | 2013-08-01 | BSH Bosch und Siemens Hausgeräte GmbH | Operating device for adjusting operating parameter e.g. air extraction intensity, of fume exhaust hood, has touch sensitive panel including touch-sensitive operating sections arranged in two rows of matrix |
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| TWM308376U (en) * | 2006-09-12 | 2007-03-21 | Taiwan Sakura Corp | Kitchen ventilator with touch panel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107332569A (en) * | 2017-06-12 | 2017-11-07 | 苏州贝艾尔净化科技有限公司 | The control method of new trend controller touch key-press |
| CN107332569B (en) * | 2017-06-12 | 2020-08-21 | 苏州贝艾尔净化科技有限公司 | Program control method for touch keys of fresh air controller |
| CN110297569A (en) * | 2019-06-27 | 2019-10-01 | 海信（山东）空调有限公司 | A kind of detection method and device |
| CN110297569B (en) * | 2019-06-27 | 2023-04-14 | 海信空调有限公司 | Detection method and device |
| CN110719672A (en) * | 2019-09-16 | 2020-01-21 | 赛尔富电子有限公司 | Active infrared type touch controller, light control system and method |
| CN116147040A (en) * | 2023-04-17 | 2023-05-23 | 杭州老板电器股份有限公司 | Air valve control method and system of variable-frequency range hood |
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| CN104534536B (en) | 2017-05-03 |
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