CN105188222A - Switch control circuit - Google Patents

Switch control circuit Download PDF

Info

Publication number
CN105188222A
CN105188222A CN201510599321.2A CN201510599321A CN105188222A CN 105188222 A CN105188222 A CN 105188222A CN 201510599321 A CN201510599321 A CN 201510599321A CN 105188222 A CN105188222 A CN 105188222A
Authority
CN
China
Prior art keywords
resistance
signal
module
control circuit
effect transistor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510599321.2A
Other languages
Chinese (zh)
Other versions
CN105188222B (en
Inventor
董坤
陈利堂
刘小建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goertek Intelligent Technology Co Ltd
Original Assignee
Qingdao Goertek Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Goertek Co Ltd filed Critical Qingdao Goertek Co Ltd
Priority to CN201510599321.2A priority Critical patent/CN105188222B/en
Publication of CN105188222A publication Critical patent/CN105188222A/en
Application granted granted Critical
Publication of CN105188222B publication Critical patent/CN105188222B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention discloses a switch control circuit. The switch control circuit comprises a microwave sensor module, for emitting a microwave signal and receiving a reflected microwave signal so as to obtain a Doppler signal, and outputting a level signal corresponding to human motion to a signal comparison module after drive amplification of the Doppler signal; the signal comparison module, for determining whether the voltage value of the signal outputted by the microwave sensor module is within a preset range, and outputting different control signals to a lighting control module according to a comparison result; the lighting control module, for controlling the on/off state of a circuit of an electrical appliance according to the control signals outputted by the signal comparison module and the lighting condition. Simple in working principle, the switch control circuit of the invention makes it easy to perform debugging, and achieves a wide control range and a strong anti-electromagnetic interference ability. In addition, it is possible to install the electrical appliance, which is under the control of the switch control circuit, in a place with large area.

Description

A kind of ON-OFF control circuit
Technical field
The present invention relates to circuit design field, particularly a kind of ON-OFF control circuit.
Background technology
Along with the development of society, the activity at ordinary times of people is more and more abundanter, and scope of activities and activity time are more and more wider, and be not limited to activity on daytime, evening events also gets more and more.But evening events then needs illumination, mostly the open mode of traditional control illumination is to be controlled by mechanical switch, and different places then needs different mechanical switch type, as corridor, public lavatory, square or corridor etc.The selecting of mechanical switch is not only installed loaded down with trivial details, and needs artificial operation of going to control, and often causes electricity consumption to waste owing to forgetting that closedown, control mode are improper etc., control unlatching or the closedown of the electrical appliances such as electric light with cannot reaching automated intelligent.
Current also have some ON-OFF control circuit possessing automatic control function, but these ON-OFF control circuit mostly realize switch control rule by the time-base circuit chip that such as 555 timers are this kind of.This kind of chip Problems existing is: be quick on the draw, and is subject to extraneous strong electromagnetic, when such as having machine operation near ON-OFF control circuit, can disturb the normal work of ON-OFF control circuit, and its integrated circuit operation principle is complicated, not easily debugs.
Summary of the invention
The invention provides a kind of ON-OFF control circuit, can electrical appliance be controlled intelligently and not be subject to outside electromagnetic interference.
A kind of ON-OFF control circuit provided by the invention, comprising: microwave sensing module, signal comparison module, illumination control module;
Described microwave sensing module, the microwave signal also received by reflecting for launched microwave signal obtains Doppler signal, by level signal corresponding with human motion for output one after described Doppler signal drive amplification to described signal comparison module;
Described signal comparison module comprises the first comparator and the second comparator, described first comparator and described second comparator are arranged in parallel, and be connected with the output of described microwave sensing module respectively, for judging magnitude of voltage that described microwave sensing module outputs signal whether in preset range, and export according to comparative result and different control signal to described illumination control module;
Described illumination control module, controls the switch of electrical appliance circuit for the control signal that exports according to described signal comparison module and illumination condition.
Wherein, described microwave sensing module comprises: doppler sensor, oscillating capacitance, antenna, amplifier, the first resistance, the second resistance;
First pin and second pin of described doppler sensor connect described antenna, and three-prong and the 5th pin connect the two ends of described oscillating capacitance respectively, and the 4th pin meets power supply VCC, the 7th pin ground connection, and the 6th pin connects described first resistance one end;
One end that first resistance described in the positive input termination of described amplifier is not connected with the 6th pin of described doppler sensor, second resistance one end described in negative input termination, as the output of described microwave sensing module after the second resistance other end described in output termination.
Wherein, described signal comparison module also comprises: the 3rd resistance, the 4th resistance, calibration swept resistance;
Described 3rd resistance, calibration swept resistance and the 4th resistance are connected successively, the termination power VCC that described 3rd resistance is not connected with other elements; One end ground connection that described 4th resistance is not connected with other elements;
The positive input terminal of described first comparator is connected between described 4th resistance and described calibration swept resistance, and the negative input end of described second comparator is connected between described calibration swept resistance and described 3rd resistance;
The negative input end of described first comparator is connected with the output of described microwave sensing module respectively with the positive input terminal of described second comparator, and the output of described first comparator and the output of described second comparator are the two-way output of described signal comparison module.
Wherein, described illumination control module comprises: switching tube, the first field effect transistor, the second field effect transistor, diode, bidirectional thyristor, the 5th resistance, photo resistance;
The grid of described first field effect transistor is connected with the output of signal comparison module, and source electrode connects described diode cathode, and drain electrode connects power supply VCC and described 5th resistance one end respectively;
The grid of described second field effect transistor is connected with the output of signal comparison module, and source electrode is connected with the drain electrode of described switching tube, and drain electrode meets power supply VCC;
Between the grid that the negative pole of described diode is connected to described second field effect transistor and the drain electrode of switching tube; Between the drain electrode that the grid of described switching tube is connected to described first field effect transistor by described 5th resistance and power supply VCC, the source electrode of described switching tube is connected with the gate leve of described bidirectional thyristor;
One end of described photo resistance is connected between the grid of described switching tube and described 5th resistance, other end ground connection;
Two main electrodes of described bidirectional thyristor are connected in electrical appliance circuit, for controlling the switch of electrical appliance circuit.
Wherein, described electrical appliance is electric light.During daytime, the resistance of described photo resistance is little, described switching tube cut-off, and described bidirectional thyristor cut-off, described electric light does not work all the time.During night, the resistance of described photo resistance is large, described switching tube conducting, when described first field effect transistor or described second field effect transistor conducting, and described bidirectional thyristor conducting, described electric light is lighted; When described first field effect transistor and described second field effect transistor are all ended, described bidirectional thyristor cut-off, described electric light does not work.
Wherein, the conducting of described first field effect transistor and described second field effect transistor or cut-off, the magnitude of voltage outputed signal by described microwave sensing module and the comparative result of preset range control, and described preset range is obtained by the electric resistance partial pressure of described calibration swept resistance.
Wherein, described doppler sensor inside is integrated with oscillation module, transmitter module, amplification module and detection module.
Wherein, described doppler sensor produces the microwave sounding district of a solid space by described antenna, for the entering of perception human body, mobile and leave.
The invention has the beneficial effects as follows: ON-OFF control circuit provided by the invention, the microwave signal also received by reflecting by microwave sensing module launched microwave signal obtains Doppler signal, by level signal corresponding with human motion for output one after described Doppler signal drive amplification to signal comparison module, can based on microwave induced human motion, and there is larger microwave area due to microwave sensing module, therefore induction range is also larger; Magnitude of voltage that microwave sensing module outputs signal is judged whether in preset range by signal comparison module, there is stronger anti-electromagnetic interference capability, and export according to comparative result and different control signal to illumination control module, and then the switch of the control signal to be exported according to signal comparison module by illumination control module and illumination condition control electrical appliance circuit, realize the dual Based Intelligent Control of human motion and illumination condition.Therefore ON-OFF control circuit of the present invention can control electrical appliance intelligently and solve the problem being subject to outside electromagnetic interference, has circuit working principle simple, is convenient to the advantage of the debugging efforts realizing and be correlated with.If the electrical appliance controlled is electric light, can realize the Based Intelligent Control of " sky bright light is gone out, and people Lai Dengliang, turns off the light when you leave ", microwave control range can reach 100 ㎡, and its electrical appliance controlled can be arranged on toilet, public place that warehouse homalographic is larger.
Accompanying drawing explanation
The system configuration schematic diagram that Fig. 1 provides for the embodiment of the present invention;
The circuit diagram that Fig. 2 provides for the embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
The system configuration schematic diagram that Fig. 1 provides for the embodiment of the present invention, the circuit diagram that Fig. 2 provides for the embodiment of the present invention.As depicted in figs. 1 and 2, the ON-OFF control circuit that the invention provides, comprising: microwave sensing module 100, signal comparison module 110, illumination control module 120;
Described microwave sensing module 100, the microwave signal also received by reflecting for launched microwave signal obtains Doppler signal, by level signal corresponding with human motion for output one after described Doppler signal drive amplification to described signal comparison module 110;
Described signal comparison module 110 comprises the first comparator U2 (Fig. 2 shows) and the second comparator U3 (Fig. 2 shows), described first comparator U2 and described first comparator U3 is arranged in parallel, and be connected with the output of described microwave sensing module 100 respectively, for judging magnitude of voltage that described microwave sensing module 100 outputs signal whether in preset range, and export according to comparative result and different control signal to described illumination control module 120;
Described illumination control module 120, controls the switch of electrical appliance circuit for the control signal that exports according to described signal comparison module 110 and illumination condition.
Below the circuit that the embodiment of the present invention provides is illustrated.As shown in Figure 2, described microwave sensing module 100 comprises: doppler sensor U4, oscillating capacitance C1, antenna W, the first resistance R1, amplifier U1, the second resistance R2.The pin one, 2 of described doppler sensor U4 meets described antenna W, and pin 3,5 connects the two ends of described oscillating capacitance C1 respectively, and pin 4 meets power supply VCC, pin 7 ground connection, and pin 6 connects described first resistance R1 one end, and this first resistance R1 is used for current limliting.One end that first resistance R1 described in the positive input termination of described amplifier U1 is not connected with the pin 6 of described doppler sensor U4, second resistance R2 one end described in negative input termination, as the output of described microwave sensing module 100 after the second resistance R2 other end described in output termination.
Described signal comparison module 110 also comprises: the 3rd resistance R3, the 4th resistance R5, calibration swept resistance R4; Wherein the 3rd resistance R3 and the 4th resistance R5 is used for dividing potential drop.
Described 3rd resistance R3, calibration swept resistance R4 and the 4th resistance R5 connect successively, the termination power VCC that described 3rd resistance R3 is not connected with other elements; One end ground connection that described 4th resistance R5 is not connected with other elements;
The positive input terminal of described first comparator U2 is connected between described 4th resistance R5 and described calibration swept resistance R4, and the negative input end of described second comparator U3 is connected between described calibration swept resistance R4 and described 3rd resistance R3;
The negative input end of described first comparator U2 is connected with the output of described microwave sensing module respectively with the positive input terminal of described second comparator U3, and the output of described first comparator U2 and the output of described second comparator U3 are the two-way output of described signal comparison module.
Described illumination control module 120 comprises: switching tube Q1, the first field effect transistor Q2, the second field effect transistor Q3, diode D1, bidirectional thyristor D2, the 5th resistance R9, photo resistance RG; Wherein the 5th resistance R9 is used for dividing potential drop.
The grid of described first field effect transistor Q2 is connected with the output of signal comparison module, and source electrode connects described diode D1 positive pole, and drain electrode connects power supply VCC and described 5th resistance R9 one end respectively;
The grid of described second field effect transistor Q3 is connected with the output of signal comparison module, and source electrode is connected with the drain electrode of described switching tube Q1, and drain electrode meets power supply VCC;
Between the grid that the negative pole of described diode D1 is connected to described second field effect transistor Q3 and the drain electrode of switching tube Q1; Between the drain electrode that the grid of described switching tube Q1 is connected to described first field effect transistor Q2 by described 5th resistance R9 and power supply VCC, the source electrode of described switching tube Q1 is connected with the gate leve of described bidirectional thyristor D2;
One end of described photo resistance RG is connected between the grid of described switching tube Q1 and described 5th resistance R9, other end ground connection;
Two main electrodes of described bidirectional thyristor D2 are connected in electrical appliance circuit, for controlling the switch of electrical appliance circuit.
In preferred circuit, described illumination control module 120 also comprises: current-limiting resistance R6, R7, pull down resistor R8, R10; Between the output that described current-limiting resistance R6 meets described first amplifier U2 and the grid of described second field effect transistor Q3; Between the output that described current-limiting resistance R7 meets described second amplifier U3 and the grid of described first field effect transistor Q2; Second field effect transistor Q3 source electrode described in described pull down resistor R8 mono-termination, other end ground connection; Described in described pull down resistor R10 mono-termination between switching tube Q1 and bidirectional thyristor D2, other end ground connection.
Wherein, described electrical appliance is electric light EL.
When having illumination daytime, photo resistance RG resistance is very little by what become, the pressure drop at its two ends is also very little, namely the grid G terminal voltage of switching tube Q1 is very little, switching tube Q1 ends, and the gate pole of thyristor D2 is pulled to low level, and thyristor D2 ends, no matter whether someone enters microwave sounding district, and electric light EL can not light.
During night, photo resistance RG resistance is comparatively large, and its dividing potential drop makes the grid G end of switching tube Q1 be high level, and VGS is greater than its conducting voltage, switching tube Q1 conducting; Power on when normally working, the microwave signal that the oscillator in doppler sensor U4 produces is transmitted into space by pin one, 2 by antenna W through internal launcher, produces a solid space microwave sounding district.
When nobody enters effective detecting area, the output voltage of six pins of doppler sensor U4 is 6V, specific V1 and V2 value is obtained by electric resistance partial pressure, now this voltage swing is made to be positioned in the middle of V1 and V2 magnitude of voltage size, the equal output low level of comparator U3, U2, field effect transistor Q2, Q3 end, thyristor D2 also can because of gate pole triggerless voltage by, illuminating lamp EL does not work.
When entering detecting area when there being people and move, antenna W transmits and can produce frequency shift (FS) between the signal reflected, faint frequency shift signal is after the detector processes in doppler sensor U4, the Doppler signal the obtained amplification of amplifying circuit in doppler sensor U4 again, can export a DC level signal corresponding with human motion at 6 pins of doppler sensor U4, namely 6 pin voltage are by higher or on the low side in 6V.This voltage V0 is when higher than V1 or lower than V2, and the first comparator U2 or the second comparator U3 exports high level, thus makes the first field effect transistor Q2 or the second field effect transistor Q3 conducting, then thyristor D2 gate pole is by high level triggering and conducting, and illuminating lamp EL lights.
After people leaves detecting area, the output voltage of 6 pins of doppler sensor U4 becomes 6V again, now this voltage swing is positioned in the middle of V1 and V2 magnitude of voltage size, the equal output low level of comparator U3, U2, then field effect transistor Q2, Q3 cut-off, thyristor D2 also can because of gate pole triggerless voltage by, illuminating lamp EL does not work.Thus achieve the intelligent light switch control circuit of " sky bright light is gone out, and people Lai Dengliang, turns off the light when you leave ".Described signal comparison module uses voltage comparator, has stronger anti-electromagnetic interference capability, is not subject to external environmental interference.
In sum, a kind of ON-OFF control circuit provided by the invention, compared with prior art, has following beneficial effect:
1, the present invention utilizes the combinations such as doppler sensor, amplifier, photo resistance and field effect transistor to realize ON-OFF control circuit, and its operation principle is simple, with low cost, overcomes the shortcoming that in prior art, circuit working principle complexity is not easily debugged.
2, compared with the time-base circuit chip used with prior art, Doppler's sensing module that the present invention utilizes microwave area larger, has larger microwave area, and control range is larger, can reach 100m 2, its electrical appliance controlled can be arranged on the larger public place of area, as toilet, warehouse etc.
3, microwave control section adopts voltage comparator, has stronger anti-electromagnetic interference capability, is not subject to external environment strong electromagnetic.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.

Claims (10)

1. an ON-OFF control circuit, is characterized in that, described ON-OFF control circuit comprises: microwave sensing module, signal comparison module, illumination control module;
Described microwave sensing module, the microwave signal also received by reflecting for launched microwave signal obtains Doppler signal, by level signal corresponding with human motion for output one after described Doppler signal drive amplification to described signal comparison module;
Described signal comparison module comprises the first comparator and the second comparator, described first comparator and described second comparator are arranged in parallel, and be connected with the output of described microwave sensing module respectively, for judging magnitude of voltage that described microwave sensing module outputs signal whether in preset range, and export according to comparative result and different control signal to described illumination control module;
Described illumination control module, controls the switch of electrical appliance circuit for the control signal that exports according to described signal comparison module and illumination condition.
2. ON-OFF control circuit as claimed in claim 1, it is characterized in that, described microwave sensing module comprises: doppler sensor, oscillating capacitance, antenna, amplifier, the first resistance, the second resistance;
First pin and second pin of described doppler sensor connect described antenna, and three-prong and the 5th pin connect the two ends of described oscillating capacitance respectively, and the 4th pin meets power supply VCC, the 7th pin ground connection, and the 6th pin connects described first resistance one end;
One end that first resistance described in the positive input termination of described amplifier is not connected with the 6th pin of described doppler sensor, second resistance one end described in negative input termination, as the output of described microwave sensing module after the second resistance other end described in output termination.
3. ON-OFF control circuit as claimed in claim 1, it is characterized in that, described signal comparison module also comprises: the 3rd resistance, the 4th resistance, calibration swept resistance;
Described 3rd resistance, calibration swept resistance and the 4th resistance are connected successively, the termination power VCC that described 3rd resistance is not connected with other elements; One end ground connection that described 4th resistance is not connected with other elements;
The positive input terminal of described first comparator is connected between described 4th resistance and described calibration swept resistance, and the negative input end of described second comparator is connected between described calibration swept resistance and described 3rd resistance;
The negative input end of described first comparator is connected with the output of described microwave sensing module respectively with the positive input terminal of described second comparator, and the output of described first comparator and the output of described second comparator are the two-way output of described signal comparison module.
4. the ON-OFF control circuit as described in any one of claim 1-3, is characterized in that, described illumination control module comprises: switching tube, the first field effect transistor, the second field effect transistor, diode, bidirectional thyristor, the 5th resistance, photo resistance;
The grid of described first field effect transistor is connected with the output of signal comparison module, and source electrode connects described diode cathode, and drain electrode connects power supply VCC and described 5th resistance one end respectively;
The grid of described second field effect transistor is connected with the output of signal comparison module, and source electrode is connected with the drain electrode of described switching tube, and drain electrode meets power supply VCC;
Between the grid that the negative pole of described diode is connected to described second field effect transistor and the drain electrode of switching tube; Between the drain electrode that the grid of described switching tube is connected to described first field effect transistor by described 5th resistance and power supply VCC, the source electrode of described switching tube is connected with the gate leve of described bidirectional thyristor;
One end of described photo resistance is connected between the grid of described switching tube and described 5th resistance, other end ground connection;
Two main electrodes of described bidirectional thyristor are connected in electrical appliance circuit, for controlling the switch of electrical appliance circuit.
5. ON-OFF control circuit as claimed in claim 4, it is characterized in that, described electrical appliance is electric light.
6. ON-OFF control circuit as claimed in claim 5, it is characterized in that, during daytime, the resistance of described photo resistance is little, described switching tube cut-off, and described bidirectional thyristor cut-off, described electric light does not work all the time.
7. ON-OFF control circuit as claimed in claim 6, is characterized in that, during night, the resistance of described photo resistance is large, and described switching tube conducting, when described first field effect transistor or described second field effect transistor conducting, described bidirectional thyristor conducting, described electric light is lighted; When described first field effect transistor and described second field effect transistor are all ended, described bidirectional thyristor cut-off, described electric light does not work.
8. ON-OFF control circuit as claimed in claim 7, it is characterized in that, the conducting of described first field effect transistor and described second field effect transistor or cut-off, the magnitude of voltage outputed signal by described microwave sensing module and the comparative result of preset range control, and described preset range is obtained by the electric resistance partial pressure of described calibration swept resistance.
9. ON-OFF control circuit as claimed in claim 8, it is characterized in that, described doppler sensor inside is integrated with oscillation module, transmitter module, amplification module and detection module.
10. ON-OFF control circuit as claimed in claim 9, it is characterized in that, described doppler sensor produces the microwave sounding district of a solid space by described antenna, for the entering of perception human body, mobile and leave.
CN201510599321.2A 2015-09-18 2015-09-18 A kind of ON-OFF control circuit Active CN105188222B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510599321.2A CN105188222B (en) 2015-09-18 2015-09-18 A kind of ON-OFF control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510599321.2A CN105188222B (en) 2015-09-18 2015-09-18 A kind of ON-OFF control circuit

Publications (2)

Publication Number Publication Date
CN105188222A true CN105188222A (en) 2015-12-23
CN105188222B CN105188222B (en) 2018-07-31

Family

ID=54909996

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510599321.2A Active CN105188222B (en) 2015-09-18 2015-09-18 A kind of ON-OFF control circuit

Country Status (1)

Country Link
CN (1) CN105188222B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109548257A (en) * 2018-12-28 2019-03-29 广州市番禺奥莱照明电器有限公司 A kind of lighting system and control method based on microwave sensing

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010048921A (en) * 1999-11-30 2001-06-15 구자홍 The microwave lighting apparatus
CN202496106U (en) * 2012-02-22 2012-10-17 柳延东 Automatic power adjusting street lamp based on Doppler effect
CN203219558U (en) * 2013-03-18 2013-09-25 张建伟 Intelligent energy-saving switch for common lighting device
CN103813572A (en) * 2012-11-10 2014-05-21 西安博昱新能源有限公司 LED fluorescent lamp circuit having induction switch
CN104167112A (en) * 2014-08-29 2014-11-26 济南鲁智电子科技有限公司 Garage detection device based on ultrasonic waves and micro waves
CN204305421U (en) * 2014-12-15 2015-04-29 重庆七色实业有限公司 A kind of microwave inductive switch
CN104602384A (en) * 2013-10-30 2015-05-06 天津市滨海新区顺德利畜禽养殖专业合作社 Automatic night illuminating lamp in seedling cultivation farm
CN104703319A (en) * 2013-12-04 2015-06-10 深圳市海洋王照明工程有限公司 Detection circuit and lighting equipment
CN205160847U (en) * 2015-09-18 2016-04-13 青岛歌尔声学科技有限公司 Switch control circuit

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010048921A (en) * 1999-11-30 2001-06-15 구자홍 The microwave lighting apparatus
CN202496106U (en) * 2012-02-22 2012-10-17 柳延东 Automatic power adjusting street lamp based on Doppler effect
CN103813572A (en) * 2012-11-10 2014-05-21 西安博昱新能源有限公司 LED fluorescent lamp circuit having induction switch
CN203219558U (en) * 2013-03-18 2013-09-25 张建伟 Intelligent energy-saving switch for common lighting device
CN104602384A (en) * 2013-10-30 2015-05-06 天津市滨海新区顺德利畜禽养殖专业合作社 Automatic night illuminating lamp in seedling cultivation farm
CN104703319A (en) * 2013-12-04 2015-06-10 深圳市海洋王照明工程有限公司 Detection circuit and lighting equipment
CN104167112A (en) * 2014-08-29 2014-11-26 济南鲁智电子科技有限公司 Garage detection device based on ultrasonic waves and micro waves
CN204305421U (en) * 2014-12-15 2015-04-29 重庆七色实业有限公司 A kind of microwave inductive switch
CN205160847U (en) * 2015-09-18 2016-04-13 青岛歌尔声学科技有限公司 Switch control circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109548257A (en) * 2018-12-28 2019-03-29 广州市番禺奥莱照明电器有限公司 A kind of lighting system and control method based on microwave sensing
CN109548257B (en) * 2018-12-28 2019-08-13 广州市番禺奥莱照明电器有限公司 A kind of lighting system and control method based on microwave sensing

Also Published As

Publication number Publication date
CN105188222B (en) 2018-07-31

Similar Documents

Publication Publication Date Title
CN101835318B (en) Intelligent detector of LED street lamp and working method thereof
CN103179748A (en) Remote control, and backlight control method and backlight control system thereof
CN203775491U (en) Intelligent illumination system
CN202978872U (en) Solid state explosion-proof switch
CN202085359U (en) Controlling means for acousto-optic touch tri-control non-attended light
CN205160847U (en) Switch control circuit
CN105188222A (en) Switch control circuit
CN104507240A (en) LED (light-emitting diode) lamp control device
CN101720153A (en) LED dimming control system for airport gliding lamp
CN104768297B (en) Sensing lamp
CN203859902U (en) Light control module of light fixture
CN203748060U (en) Novel LED driver
CN203352860U (en) Intelligent identification power supply during power grid blackout or artificial-switching power-off
CN103079309A (en) LED (Light-Emitting Diode) light source regulator control system and LED light source regulator control method
CN207504842U (en) For the switching circuit of underwater metal detector
CN202586326U (en) Switching value acquisition circuit
CN103281821A (en) Intelligent identification power supply during power grid blackout or artificial-switching power-off
CN203911887U (en) Intelligent sound control switch
CN203151844U (en) Human body approach- and light-operated toilet lighting equipment
CN105403756A (en) Circuit device having ground wire live detection function
CN219775504U (en) Intelligent wardrobe lamp and intelligent wardrobe system thereof
CN103796386A (en) Variable-frequency LED induction driver
CN205280807U (en) Circuit arrangement with electrification of ground wire detects function
CN103052220A (en) Lamp control circuit and induction lamp
CN201827720U (en) LED (light-emitting diode) tube

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20180223

Address after: Two road 523000 Guangdong city of Dongguan province Dongguan Songshan Lake high tech Industrial Development Zone, No. 9 building EB206 eastriver headquarters

Applicant after: GoerTek Intelligent Technology Co., Ltd.

Address before: International Exhibition Center of wealth 18 No. 266061 Shandong province Qingdao city Laoshan District No. 3 Qinling Mountains Road, building 5 floor

Applicant before: Qingdao GoerTek Co., Ltd.

GR01 Patent grant
GR01 Patent grant