CN109688660A - A kind of non-contact gesture dimming LED lamp - Google Patents
A kind of non-contact gesture dimming LED lamp Download PDFInfo
- Publication number
- CN109688660A CN109688660A CN201811592393.4A CN201811592393A CN109688660A CN 109688660 A CN109688660 A CN 109688660A CN 201811592393 A CN201811592393 A CN 201811592393A CN 109688660 A CN109688660 A CN 109688660A
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- led
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- 230000001939 inductive effect Effects 0.000 claims abstract description 39
- 238000005286 illumination Methods 0.000 claims abstract description 12
- 101700041927 US31 Proteins 0.000 claims description 22
- 101700045119 RS31 Proteins 0.000 claims description 9
- 101700020002 RS31A Proteins 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 7
- 102100000189 CD22 Human genes 0.000 claims description 6
- 101700020617 CD22 Proteins 0.000 claims description 6
- 101710006080 RPS11 Proteins 0.000 claims description 6
- 230000005669 field effect Effects 0.000 claims description 6
- 101700028508 CS31 Proteins 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000003760 hair shine Effects 0.000 claims 1
- 230000000875 corresponding Effects 0.000 abstract description 3
- 241001465382 Physalis alkekengi Species 0.000 description 7
- 230000005611 electricity Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000051 modifying Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 210000003128 Head Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/27—Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
- F21K9/278—Arrangement or mounting of circuit elements integrated in the light source
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
Abstract
The invention discloses a kind of non-contact gesture dimming LED lamps, including fluorescent tube, it further include inductive component, the inductive component includes induction part and driving portion, induction part is connect with driving portion, the driving portion is mounted in lighting tube plug, and the induction part is mounted on outside plug, and driving portion is connect with the LED illumination lamp group of ac plug and fluorescent tube.Alternating current is converted directly into direct current by the present invention, it is easy to use, induction part detects the gesture of people by way of emitting and receiving infrared light, switch or dimming commands are calculated by driving portion, and fluorescent tube is made to make corresponding operation, the invention has the benefit that structurally reasonable, perfect in shape and function, high reliablity is conducive to maintenance.
Description
Technical field
The present invention relates to dimming lamp field, in particular to a kind of non-contact gesture dimming LED lamp.
Background technique
The LED light product-derived or lamps and lanterns product of the strips such as LED lamp tube, LED frame lamp, LED bar graph lamp are general in life
All over the luminaire used, this kind of lamps and lanterns product is typically all to use switch control, and general switch is located on lamps and lanterns, is limited to tie
Structure size can only realize simple switch；Also have and controlled using special switch panel, so as to realize some complex operations,
But switch usually fixation is located remotely from the metope of illuminating product operating position.Which kind of either above-mentioned situation, all can be right
The convenience used has some impact on, and in actual production life, the use environment of this kind of illuminating product is likely more multiple
It is miscellaneous.Therefore the lamps and lanterns with remote non-contact switch seem particularly significant.
The utility model of publication number CN206923085U discloses a kind of gesture identification lamp, comprising: LED light source mould group, electricity
Source module, gesture acquisition module, main control module and switch module, the power module include power supply and charging mould connected to it
Block is connected with the LED light source mould group, gesture acquisition module with main control module, for above-mentioned module for power supply；The switch
Module is integrated in the main control module, and it is connected with the charging module, and the switch module is for controlling the master control
The open and close of module；It is provided with trigger on the switch module, when the charging module connects extraneous power supply,
The trigger obtains electric, and the trigger control switch module opens the main control module at this time.
The utility model of publication number CN206176121U is related to the technical field of luminaire, more particularly, to a kind of hand
Gesture controls lamps and lanterns and lamp control system.The gesture control light fixture, including lamp cap, shell and fluorescent tube；The lamp cap is packed in
The top of the shell, the fluorescent tube are packed in the bottom of the shell；The enclosure interior has cavity, and in the cavity
It is provided with and whether there is the gesture induction module for acting signal of turning on light for incuding.The lamp control system includes above-mentioned gesture
Control lamps and lanterns, and the intelligent object connecting with the gesture control light fixture, the intelligent apparatus include master switch plate and with
The lamp control plate of the gesture control light fixture connection, acquisition of the master switch plate for voice signal or action signal, master switch
Plate is used to voice signal or action signal being transmitted to lamp control plate.
Lamps and lanterns in above-mentioned documents can complete control operation by gesture, but structure is not reasonable, function compared with
Single, reliability is not high.
Summary of the invention
It is unreasonable for prior art construction, it has a single function and problem that reliability is not high, the present invention provides a kind of non-
Contact gesture dimming LED lamp has complete reliable circuit module, improves reliability of operation, and overall structure is more closed
Reason, function is more perfect, and operation strategies are wider.
It is technical solution of the present invention below.
A kind of non-contact gesture dimming LED lamp, including fluorescent tube, further include inductive component, and the inductive component includes sense
Portion and driving portion are answered, induction part is connect with driving portion, and the driving portion is mounted in lighting tube plug, and the induction part is mounted on stifled
Head is outer, and driving portion is connect with the LED illumination lamp group of ac plug and fluorescent tube.Alternating current is converted directly into direct current by the present invention
Electricity, easy to use, induction part detects the gesture of people by way of emitting and receiving infrared light, passes through being calculated for driving portion
Switch or dimming commands, and fluorescent tube is made to make corresponding operation.
Further, the driving portion includes power module, switch dimming module and processing module, and the power module connects
Connecing ac plug and being converted into direct current is inductive component and lamp tube power supply, and the switch dimming module connects processing module,
Processing module connects the LED illumination lamp group of induction part and fluorescent tube.Switch dimming module output constant current, improves the stability of circuit,
The signal that processing module passes through induction part judges and exports control signal, and wherein processing module is single-chip microcontroller and its operating circuit.
Further, the power module includes that bridge rectifier BS11 and Isobarically Control chip US31, the bridge-type are whole
The first end of the cathode output end connection inductance L21 and resistance RS21 of device BS11 is flowed, the second end of the resistance RS21 connects electricity
Hold CD22 anode, capacitor CD22 cathode ground connection, the second end of inductance L21 connects No. 5, No. 6, No. 7 of Isobarically Control chip US31
And No. 8 pins, No. 2 pins of Isobarically Control chip US31 are sequentially connected in series resistance RS31B and resistance RS31A, Isobarically Control core
The common end of the connection of No. 3 pins the resistance RS31B and RS31A of piece US31, No. 4 pins of Isobarically Control chip US31 connect electricity
Hinder the first end of RS41A and resistance RS41B, No. 2 pins and two of the second end connection Isobarically Control chip US31 of resistance RS41B
The second end of the cathode of pole pipe DS41, the plus earth of diode DS41, RS41A passes through inductance L41 connection diode DS61's
Anode, the not common end of the cathode connection resistance RS31A of diode DS61, the cathode of diode DS61 pass through capacitor CS31 simultaneously
Connect No. 2 pins of Isobarically Control chip US31.
Further, the switch dimming module includes switch dimming chip US41, and the 1 of the switch dimming chip US41
The cathode of number pin connection LED series connection lamp group WW, the connect anode of lamp group WW of LED connect power supply, and the 1 of switch dimming chip US41
Series resistance RS62B and resistance RS62A connects resistance to power supply, No. 3 pins of switch dimming chip US41 simultaneously for number pin
The first end of RS31, the second end of resistance RS31 connect processing module, and the second end of resistance RS31 passes through resistance RS32B and resistance
No. 1 pin of RS32A connection switch light modulation chip US41.LED series connection lamp group WW is placed in fluorescent tube or plug, for reflecting current electricity
Whether whether source is connected, i.e., can turn on light.
Further, the LED illumination lamp group includes several sub- LED groups, and every group of sub- LED group includes several concatenated with rule
Lattice LED, the anode connection power supply of sub- LED group, cathode connect the drain electrode of field-effect tube, the source electrode of field-effect tube by current-limiting resistance
It connects and grid, the different output of the fet gate connection processing module of every group of sub- LED group is connected by current-limiting resistance
End.The different sub- LED group of multiple groups forms the main body of illumination, has better controllability, realizes multi-functional light modulation.
Further, induction part includes infrared transmitting tube and infrared receiving tube, and infrared transmitting tube only connects power module,
Infrared receiving tube connects processing module and power module.Infrared transmitting tube begins to work after connecting with the mains, and infrared receiver is effective
In the infrared light for receiving to reflect or hand itself issues.
Further, the induction part is the rectangular sheet that both ends are semicircle, and the thin slice is on the basis of long axis
It is curly, curling radian it is consistent with lighting tube plug shell radian, thin slice be bonded plug shell install, the infrared transmitting tube and
Infrared receiving tube is arranged on the long axis of thin slice.Induction part thin slice is consistent with the surface of plug to be bonded, it is possible to reduce protrusion, benefit
In installation, prevent from colliding with.
Further, the response distance of the infrared receiving tube is 10cm-30cm.The sensitivity of infrared receiving tube passes through tune
In this distance, guarantee, which needs to lift hand, just be can trigger for section setting, prevent maloperation.
It further, further include smoke alarm, the smoke alarm is mounted on the outside of plug, smoke alarm connection
Power module.Additional setting smoke alarm, can assist playing safety protection function.
Further, the plug is transparent plug.Transparent plug can make to install or can be visually seen inside when safeguarding
Situation improves efficiency.
After the present invention installs, additional connection switch is not needed, but is controlled by gesture motion, response model is stretched out one's hand
In enclosing, when manpower is close to fluorescent tube, fluorescent tube brightens, and when manpower is far from fluorescent tube, fluorescent tube is dimmed, when human eye perceived brightness is suitable
When, manpower is axially disengaging distance measurement response range along fluorescent tube, and fluorescent tube maintains present intensity constant；At the end of use, people
Hand enters in the section of response range 10cm-30cm, and moves away from fluorescent tube, until exiting the section, whole lamp is closed.
The invention has the benefit that structurally reasonable, perfect in shape and function, high reliablity are conducive to maintenance.
Detailed description of the invention
Fig. 1 is the schematic diagram of the embodiment of the present invention；
Fig. 2 is the inductive component schematic diagram of the embodiment of the present invention；
Fig. 3 is the power module schematic diagram of the embodiment of the present invention；
Fig. 4 is the switch dimming module principle figure of the embodiment of the present invention；
Fig. 5 is the LED illumination lamp group schematic diagram of the embodiment of the present invention；
In figure: 1- fluorescent tube, 2- induction part, 3- driving portion, 4- plug.
Specific embodiment
The technical program is further elaborated below in conjunction with Figure of description.
Embodiment: being as shown in Figure 1 a kind of non-contact gesture dimming LED lamp, including fluorescent tube 1, further include inductive component,
The inductive component includes induction part 2 and driving portion 3, and induction part 2 is connect with driving portion 3, and the driving portion 3 is mounted on fluorescent tube 1
In plug 4, the induction part 2 is mounted on outside plug 4, and driving portion 3 is connect with the LED illumination lamp group of ac plug and fluorescent tube 1.
Alternating current is converted directly into direct current by the present embodiment, easy to use, and induction part 2 is examined by way of emitting and receiving infrared light
The gesture for surveying people, is calculated switch or dimming commands by driving portion 3, and fluorescent tube 1 is made to make corresponding operation.
As shown in Fig. 2, induction part 2 includes infrared transmitting tube and infrared receiving tube, infrared transmitting tube only connects power supply mould
Block, infrared receiving tube connect processing module and power module.Infrared transmitting tube begins to work, infrared receiving tube after connecting with the mains
Infrared light for receiving to reflect or hand itself issues.
In the present embodiment, the induction part 2 is the rectangular sheet that both ends are semicircle, and the thin slice is on the basis of long axis
In curly, curling radian is consistent with 1 plug of fluorescent tube, 4 shell radian, and thin slice is bonded 4 shell of plug and installs, the infrared emission
Pipe and infrared receiving tube are arranged on the long axis of thin slice.2 thin slice of induction part is consistent with the surface of plug 4 to be bonded, and can be subtracted
Few protrusion, is conducive to installation, prevents from colliding with.
In the present embodiment, the driving portion 3 includes power module, switch dimming module and processing module, the power supply mould
It is that inductive component and fluorescent tube 1 are powered that block, which connects ac plug and is converted into direct current, the switch dimming module connection processing
Module, processing module connect the LED illumination lamp group of induction part 2 and fluorescent tube 1.Switch dimming module output constant current, improves circuit
Stability, the signal that processing module passes through induction part 2 judge and export control signal, and wherein processing module is single-chip microcontroller and its work
Make circuit.
As shown in figure 3, the power module includes that bridge rectifier BS11 and Isobarically Control chip US31, the bridge-type are whole
The first end of the cathode output end connection inductance L21 and resistance RS21 of device BS11 is flowed, the second end of the resistance RS21 connects electricity
Hold CD22 anode, capacitor CD22 cathode ground connection, the second end of inductance L21 connects No. 5, No. 6, No. 7 of Isobarically Control chip US31
And No. 8 pins, No. 2 pins of Isobarically Control chip US31 are sequentially connected in series resistance RS31B and resistance RS31A, Isobarically Control core
The common end of the connection of No. 3 pins the resistance RS31B and RS31A of piece US31, No. 4 pins of Isobarically Control chip US31 connect electricity
Hinder the first end of RS41A and resistance RS41B, No. 2 pins and two of the second end connection Isobarically Control chip US31 of resistance RS41B
The second end of the cathode of pole pipe DS41, the plus earth of diode DS41, RS41A passes through inductance L41 connection diode DS61's
Anode, the not common end of the cathode connection resistance RS31A of diode DS61, the cathode of diode DS61 pass through capacitor CS31 simultaneously
Connect No. 2 pins of Isobarically Control chip US31.Isobarically Control chip US31 model KP3211SG in the present embodiment.
As shown in figure 4, the switch dimming module includes switch dimming chip US41, the switch dimming chip US41's
The cathode of No. 1 pin connection LED series connection lamp group WW, the anode of LED series connection lamp group WW connect power supply, switch dimming chip US41's
Series resistance RS62B and resistance RS62A connects resistance to power supply, No. 3 pins of switch dimming chip US41 simultaneously for No. 1 pin
The first end of RS31, the second end of resistance RS31 connect processing module, and the second end of resistance RS31 passes through resistance RS32B and resistance
No. 1 pin of RS32A connection switch light modulation chip US41.The model JW1691 of switch dimming chip US41 in the present embodiment.
Whether LED series connection lamp group WW is placed in fluorescent tube or plug, for reflecting whether current power is connected, i.e., can turn on light.
As shown in figure 5, the LED illumination lamp group includes 3 groups of sub- LED groups, every group of sub- LED group includes 2 concatenated with rule
Lattice LED, the anode connection power supply of sub- LED group, cathode connect the drain electrode of field-effect tube, the source electrode of field-effect tube by current-limiting resistance
It connects and grid, the different output of the fet gate connection processing module of every group of sub- LED group is connected by current-limiting resistance
End.The different sub- LED group of multiple groups forms the main body of illumination, has better controllability, realizes multi-functional light modulation.
In the present embodiment, the response distance of the infrared receiving tube is 10cm-30cm.The sensitivity of infrared receiving tube passes through
Setting is adjusted in this distance, guarantee, which needs to lift hand, just can trigger, and prevent maloperation.
It further include smoke alarm (not shown) in this implementation, the smoke alarm is mounted on 4 outside of plug, smog
Alarm connects power module.Additional setting smoke alarm, can assist playing safety protection function.
In the present embodiment, the plug 4 is transparent plug 4.Transparent plug 4 can make to install or can be visually seen when safeguarding interior
The case where portion, improves efficiency.
After the present embodiment installs, additional connection switch is not needed, but is controlled by gesture motion, response is stretched out one's hand
In range, when manpower is close to fluorescent tube 1, the signal that infrared receiving tube receives becomes strong, and processing module obtains defeated after input signal
Signal is controlled out, and fluorescent tube 1 brightens, and when manpower is far from fluorescent tube 1, infrared signal weakens, and fluorescent tube 1 is dimmed, when human eye perceived brightness
When suitable, manpower is axially disengaging distance measurement response range along fluorescent tube 1, and fluorescent tube 1 maintains present intensity constant；When use terminates
When, manpower enters in the section of response range 10cm-30cm, and moves away from fluorescent tube 1, until exiting the section, whole lamp is closed.
The present embodiment has structurally reasonable, perfect in shape and function, and high reliablity is conducive to the characteristics of safeguarding.
It should be noted that the specific embodiment is only used for that technical solution is further described, it is not used in and limits the skill
The range of art scheme, any modifications, equivalent substitutions and improvements etc. based on this technical solution are regarded as in protection of the invention
In range.
Claims (10)
1. a kind of non-contact gesture dimming LED lamp, including fluorescent tube, which is characterized in that it further include inductive component, the sense group
Part includes induction part and driving portion, and induction part is connect with driving portion, and the driving portion is mounted in lighting tube plug, the induction part
It is mounted on outside plug, driving portion is connect with the LED illumination lamp group of ac plug and fluorescent tube.
2. a kind of non-contact gesture dimming LED lamp according to claim 1, which is characterized in that the driving portion includes
Power module, switch dimming module and processing module, the power module connect ac plug and are converted into direct current as sense
Component and lamp tube power supply are answered, the switch dimming module connects processing module, and processing module connects induction part and the LED of fluorescent tube shines
Bright lamp group.
3. a kind of non-contact gesture dimming LED lamp according to claim 2, which is characterized in that the power module packet
Include the cathode output end connection inductance L21 of bridge rectifier BS11 and Isobarically Control chip US31, the bridge rectifier BS11
And the first end of resistance RS21, the second end connection capacitor CD22 anode of the resistance RS21, capacitor CD22 cathode ground connection, inductance
No. 5, No. 6, No. 7 and No. 8 pins of the second end connection Isobarically Control chip US31 of L21, No. 2 of Isobarically Control chip US31 are drawn
Foot is sequentially connected in series resistance RS31B and resistance RS31A, No. 3 pins connection resistance RS31B of Isobarically Control chip US31 and
The common end of RS31A, the first end of No. 4 pins connection resistance RS41A and resistance RS41B of Isobarically Control chip US31, resistance
No. 2 pins of the second end connection Isobarically Control chip US31 of RS41B and the cathode of diode DS41, the anode of diode DS41
Ground connection, the second end of RS41A pass through the anode of inductance L41 connection diode DS61, and the cathode of diode DS61 connects resistance
The not common end of RS31A, the cathode of diode DS61 pass through capacitor CS31 connection Isobarically Control chip US31 simultaneously No. 2 are drawn
Foot.
4. a kind of non-contact gesture dimming LED lamp according to claim 2, which is characterized in that the switch dimming mould
Block includes switch dimming chip US41, the cathode of No. 1 pin connection LED series connection lamp group WW of the switch dimming chip US41,
The anode of LED series connection lamp group WW connects power supply, No. 1 pin while series resistance RS62B and resistance of switch dimming chip US41
For RS62A to power supply, No. 3 pins of switch dimming chip US41 connect the first end of resistance RS31, and the second end of resistance RS31 connects
Processing module is connect, the second end of resistance RS31 dims No. 1 of chip US41 by resistance RS32B and resistance RS32A connection switch
Pin.
5. a kind of non-contact gesture dimming LED lamp according to claim 2, which is characterized in that the LED illumination lamp group
Including several sub- LED groups, every group of sub- LED group includes several concatenated same specification LED, the anode connection power supply of sub- LED group, cathode
The drain electrode of field-effect tube is connected by current-limiting resistance, the source electrode of field-effect tube connects and connects grid by current-limiting resistance, described every
The different output end of the fet gate connection processing module of the sub- LED group of group.
6. a kind of non-contact gesture dimming LED lamp according to claim 2, which is characterized in that induction part includes infrared
Transmitting tube and infrared receiving tube, infrared transmitting tube only connect power module, and infrared receiving tube connects processing module and power supply mould
Block.
7. a kind of non-contact gesture dimming LED lamp according to claim 6, which is characterized in that the induction part is two
End is the rectangular sheet of semicircle, and the thin slice is on the basis of long axis in curly, curling radian and lighting tube plug shell arc
Degree is consistent, and thin slice is bonded the installation of plug shell, and the infrared transmitting tube and infrared receiving tube are arranged on the long axis of thin slice.
8. a kind of non-contact gesture dimming LED lamp according to claim 6, which is characterized in that the infrared receiving tube
Response distance be 10cm-30cm.
9. a kind of non-contact gesture dimming LED lamp according to claim 2, which is characterized in that further include smog alarm
Device, the smoke alarm are mounted on the outside of plug, and smoke alarm connects power module.
10. a kind of non-contact gesture dimming LED lamp according to claim 1 or 2, which is characterized in that the plug is
Transparent plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811592393.4A CN109688660A (en) | 2018-12-25 | 2018-12-25 | A kind of non-contact gesture dimming LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811592393.4A CN109688660A (en) | 2018-12-25 | 2018-12-25 | A kind of non-contact gesture dimming LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109688660A true CN109688660A (en) | 2019-04-26 |
Family
ID=66189466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811592393.4A Pending CN109688660A (en) | 2018-12-25 | 2018-12-25 | A kind of non-contact gesture dimming LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109688660A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986130A (en) * | 2019-12-20 | 2020-04-10 | 华帝股份有限公司 | Self-adaptive gesture control method of range hood |
-
2018
- 2018-12-25 CN CN201811592393.4A patent/CN109688660A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110986130A (en) * | 2019-12-20 | 2020-04-10 | 华帝股份有限公司 | Self-adaptive gesture control method of range hood |
| CN110986130B (en) * | 2019-12-20 | 2022-05-17 | 华帝股份有限公司 | Self-adaptive gesture control method of range hood |
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