CN109219191A - A kind of microwave induced light adjusting circuit - Google Patents
A kind of microwave induced light adjusting circuit Download PDFInfo
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- CN109219191A CN109219191A CN201811140591.7A CN201811140591A CN109219191A CN 109219191 A CN109219191 A CN 109219191A CN 201811140591 A CN201811140591 A CN 201811140591A CN 109219191 A CN109219191 A CN 109219191A
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- 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
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of microwave induced light adjusting circuits characterized by comprising EMI filter module, input rectifying filter module, feedback module, output rectification filter module and microwave induced module；The output end of the EMI filter module is electrically connected with the input terminal of input rectifying module, the output end of the input rectifying filter module and the input terminal of feedback module connect, the output end of feedback module is electrically connected with the input terminal of output rectification filter module, the common end of input rectifying filter module and feedback module is connect with one end of microwave induced module, and the other end of microwave induced module is connect with feed circuit；The microwave induced module, receive microwave signal while for controlling optical signal, and according to the brightness of microwave signal adjustment sense light.It using the present invention, reduces costs, improves the compatibility of circuit.
Description
Technical field
The present invention relates to LED(light sensations) microwave induced lamp, in particular to a kind of microwave induced light adjusting circuit.
Background technique
The light adjusting circuit of two grades of electric currents conversion, in LED(light sensation) microwave induced lamp field is widely applied.Currently, being usually
The conversion of different brightness, such as 10% or 20% or 30% to 100% brightness transition are realized using IC circuit output pwm signal.
But IC circuit compatibility is limited, and cost is relatively high.
Summary of the invention
The object of the present invention is to provide a kind of microwave induced light adjusting circuits, to save cost, improve the compatibility of light adjusting circuit
Property.
In order to solve the problems existing in the prior art, the present invention provides a kind of microwave induced light adjusting circuit, which includes:
EMI filter module, input rectifying filter module, feedback module, output rectification filter module and microwave induced module；It is described
The output end of EMI filter module is electrically connected with the input terminal of input rectifying module, the output end of the input rectifying filter module
It is connect with the input terminal of feedback module, the output end of feedback module is electrically connected with the input terminal of output rectification filter module, input
The common end of rectification filtering module and feedback module is connect with one end of microwave induced module, the other end of microwave induced module with
Feed circuit connection；
The microwave induced module, receive microwave signal while for controlling optical signal, and adjusted and incuded according to microwave signal
The brightness of lamp.
Preferably, the microwave induced module includes inductor power supply module, microwave sensor, switch module, control function
Rate resistive module；The input terminal of inductor power supply module is connect with feed circuit with the common end of input rectifying filter module, sense
The output end of device power supply module is answered to be electrically connected with the input terminal of microwave sensor, the output end of microwave sensor and switch module
The output end of input terminal electrical connection, switch module is electrically connected with the input terminal of control power resistor module, controls power resistor mould
The output end of block is connect with feedback module.
Preferably, the inductor power supply module includes: first diode DS31, the second diode DS32, the three or two pole
Pipe DS33, triode QS61, capacitor CS62 and first resistor RS31；The anode of first diode DS31 is with first resistor RS31's
One end connection, the other end of first resistor RS31 are connect with the cathode of inductance L41B, the plus earth of inductance L41B；One or two pole
The cathode of pipe DS31 and triode QS61 collector connect, the anode company of the emitter-base bandgap grading of triode QS61 and the second diode DS32
It connects, the cathode of the second diode DS32 is the input terminal of inductor power supply module, the anode and triode of third diode DS33
Emitter-base bandgap grading connection, the cathode of third diode connect with the anode of capacitor CS62, and the positive of CS62 connect with microwave sensor, electric
Hold the cathode ground connection of CS62；The base stage of triode QS61 is grounded through voltage-stabiliser tube ZS6.
Preferably, the switch module includes field-effect tube QS41A and second resistance RS41, the source electrode of field-effect tube and
One end of two resistance RS41 connects, and the other end of second resistance RS41 is connect with control power resistor module；The grid of field-effect tube
Pole is connect with microwave sensor, the grounded drain of field-effect tube.
Preferably, the control power resistor module includes 3rd resistor RS40, one end of 3rd resistor RS40 and switch
The output end of module connects, and the other end of 3rd resistor RS40 is connect with two resistance parallel with one another.
Preferably, the microwave sensor includes the first pin, second pin and third pin, the first pin and inductor
Power supply module connection, second pin ground connection, third pin are connect with switch module.
Preferably, the output rectifier and filter includes capacitor C41A, capacitor C41B, capacitor C41C, capacitor CS42, electricity
RS42, the 4th diode and inductance L41C are hindered, one end of inductance L41C is connect with the anode of the 4th diode, the 4th diode
Cathode is connect with the anode of capacitor C41A, and the other end of inductance L41C is connect with the cathode of capacitor C41A, capacitor C41A, capacitor
C41B and C41C is in parallel, and capacitor CS42 is connected in parallel on the both ends of the 4th diode after connecting with resistance RS42.
The microwave induced light adjusting circuit of the invention patent is provided with inductor power supply module, microwave sensor, switch module
And power control module, it is connected with each other by other modules in this four modules and circuit, realizes the tune to sense light brightness
It is whole.Compared with the IC circuit of the prior art, technical solution of the present invention cost is lower, and can apply to different light adjusting circuits
In, there is stronger compatibility.
Detailed description of the invention
Fig. 1 is a kind of a kind of schematic diagram of embodiment of microwave induced light adjusting circuit of the present invention；
Fig. 2 is a kind of schematic diagram of the microwave induced module of microwave induced light adjusting circuit of the present invention；
Fig. 3 is a kind of specific implementation schematic diagram of microwave induced light adjusting circuit of the present invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing.
With reference to Fig. 1, which is a kind of a kind of schematic diagram of embodiment of microwave induced light adjusting circuit of the present invention, the microwave sense
It includes: EMI filter module 1, input rectifying filter module 2, feedback module 3, output rectification filter that sensor circuit, which should be dimmed, to include:
Module 4 and microwave induced module 5.Wherein, the input terminal of the output end of EMI filter module 1 and input rectifying filter module 2 electricity
Connection, enters rectification filtering module 2 and connect with the input terminal of feedback module 3, the output end and output rectification filter mould of feedback module 3
The input terminal of block 4 is electrically connected, and the common end of input rectifying filter module 2 and feedback module 3 is connect with microwave induced module.
Receive microwave signal while the technical program is using microwave induced module control optical signal, and according to microwave signal
Adjust the brightness of sense light.Microwave induced module has lower cost and wider array of compatibility compared with prior art.Below
Microwave induced module is described in detail.
Microwave induced module 5, including inductor power supply module 51, microwave sensor 52, switch module 53 and power control
Module 54.The output end of inductor power supply module 51 is electrically connected with the input terminal of microwave sensor 52, microwave sensor 52 it is defeated
Outlet is electrically connected with the input terminal of switch module 53, the output end of switch module 53 and the input terminal of control power resistor module 54
The output end of electrical connection, control power resistor module 54 is connect with feedback module 3.
The switch module 53 of the embodiment of the present invention is connected with control power resistor module, can be applied to conventional primary side
On constant current inverse-excitation type route, to realize light modulation.And the prior art must then use PWM light modulation IC, can be only achieved same function, and
And also there are many requirements to the output of induction module.
Inductor power supply module 51, including first diode DS31, the second diode DS32, third diode DS33, three
Pole pipe QS61, capacitor CS62 and first resistor RS31；The anode of first diode DS31 is connect with one end of first resistor RS31,
The other end of first resistor RS31 is connect with the cathode of inductance L41B, the plus earth of inductance L41B；First diode DS31's
Cathode and triode QS61 collector connect, the positive of the emitter-base bandgap grading of triode QS61 and the second diode DS32 connect, second
The cathode of diode DS32 is the input terminal of inductor power supply module, and the anode of third diode DS33 connects with the emitter-base bandgap grading of triode
It connects, the cathode of third diode is connect with the anode of capacitor CS62, and the anode of CS62 is connect with microwave sensor, capacitor CS62's
Cathode ground connection；The base stage of triode QS61 is grounded through voltage-stabiliser tube ZS6.
Microwave sensor 52, including the first pin, second pin and third pin, the first pin VCC and inductor are powered
Module connection, is powered by inductor power supply module, and second pin GND ground connection, third pin is connect with switch module, exports PWM
Signal.
Switch module 53, including field-effect (MOS) pipe QS41A and second resistance RS41, the source electrode and second resistance of pipe
One end of RS41 connects, and the other end of second resistance RS41 is connect with control power resistor module；The grid of field-effect tube with it is micro-
The connection of wave inductor, the grounded drain of field-effect tube.
Power resistor module 54, including resistance R36A, resistance R36B and resistance RS40 are controlled, to realize the tune of power
It is whole.R36A and R36B is one grade of electric current, and resistance R36, resistance R36B and resistance RS40 are another grade of electric current.
When specific implementation, inverse-excitation type route primary side winding L41B is rectified by inductor power supply module DS31A, CD61 filter
Wave, then the linear voltage decreasing being made up of triode QS61, voltage-stabiliser tube ZS61 and resistance RS62, export 12V voltage, using two
Pole pipe DS34 powers to (light sensation) microwave sensor 52；(light sensation) microwave sensor U51 drops to certain illumination in external optical signals
When, if receiving microwave signal, high level is exported, so that the metal-oxide-semiconductor QS41A2 of switch module is connected, resistance R36A,
Resistance RS36B and resistance RS40 are in parallel, and then control power resistor R36A, resistance R36B and resistance RS40, and power supply expires function at this time
Rate output., whereas if microwave sensor is not received by microwave signal, then the metal-oxide-semiconductor QS41A shutdown of switch module, accordingly
, resistance RS36A and resistance RS36B are in parallel, and power supply minimum power exports at this time.To realize the tune to sense light illumination
It is whole.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (7)
1. a kind of microwave induced light adjusting circuit characterized by comprising EMI filter module, input rectifying filter module, feedback
Module, output rectification filter module and microwave induced module；The output end of the EMI filter module and input rectifying module
The input terminal of input terminal electrical connection, the output end of the input rectifying filter module and feedback module connects, feedback module it is defeated
Outlet is electrically connected with the input terminal of output rectification filter module, the common end and microwave of input rectifying filter module and feedback module
One end of induction module connects, and the other end of microwave induced module is connect with feed circuit；
The microwave induced module, receive microwave signal while for controlling optical signal, and adjusted and incuded according to microwave signal
The brightness of lamp.
2. microwave induced light adjusting circuit according to claim 1, which is characterized in that the microwave induced module includes induction
Device power supply module, microwave sensor, switch module, control power resistor module；The input terminal and feedback of inductor power supply module
Circuit is connect with the common end of input rectifying filter module, the output end of inductor power supply module and the input terminal of microwave sensor
Electrical connection, the output end of microwave sensor are electrically connected with the input terminal of switch module, the output end and control power of switch module
The input terminal of resistive module is electrically connected, and the output end of control power resistor module is connect with feedback module.
3. microwave induced light adjusting circuit according to claim 1, which is characterized in that the inductor power supply module includes:
First diode DS31, the second diode DS32, third diode DS33, triode QS61, capacitor CS62 and first resistor
RS31；The anode of first diode DS31 is connect with one end of first resistor RS31, the other end and inductance of first resistor RS31
The cathode of L41B connects, the plus earth of inductance L41B；The cathode of first diode DS31 and triode QS61 collector connect
It connects, the emitter-base bandgap grading of triode QS61 is connect with the anode of the second diode DS32, and the cathode of the second diode DS32 is inductor confession
The anode of the input terminal of electric module, third diode DS33 is connect with the emitter-base bandgap grading of triode, the cathode and capacitor of third diode
The anode connection of CS62, the anode of CS62 are connect with microwave sensor, the cathode ground connection of capacitor CS62；The base stage of triode QS61
It is grounded through voltage-stabiliser tube ZS6.
4. microwave induced light adjusting circuit according to claim 1, which is characterized in that the switch module includes field-effect tube
The source electrode of QS41A and second resistance RS41, field-effect tube are connect with one end of second resistance RS41, and second resistance RS41's is another
End is connect with control power resistor module；The grid of field-effect tube is connect with microwave sensor, the grounded drain of field-effect tube.
5. microwave induced light adjusting circuit according to claim 1, which is characterized in that the control power resistor module includes
The output end of one end of 3rd resistor RS40,3rd resistor RS40 and switch module connects, the other end of 3rd resistor RS40 with
Two resistance connections parallel with one another.
6. microwave induced light adjusting circuit according to claim 1, which is characterized in that the microwave sensor draws including first
Foot, second pin and third pin, the first pin are connect with inductor power supply module, second pin ground connection, third pin with open
Close module connection.
7. microwave induced light adjusting circuit according to any one of claims 1-5, which is characterized in that the output rectification filter
Wave circuit includes capacitor C41A, capacitor C41B, capacitor C41C, capacitor CS42, resistance RS42, the 4th diode and inductance L41C,
One end of inductance L41C is connect with the anode of the 4th diode, and the cathode of the 4th diode is connect with the anode of capacitor C41A, electricity
The other end of sense L41C is connect with the cathode of capacitor C41A, and capacitor C41A, capacitor C41B and C41C are in parallel, capacitor CS42 and resistance
The both ends of the 4th diode are connected in parallel on after RS42 series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811140591.7A CN109219191B (en) | 2018-09-28 | 2018-09-28 | Microwave induction dimming circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811140591.7A CN109219191B (en) | 2018-09-28 | 2018-09-28 | Microwave induction dimming circuit |
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| Publication Number | Publication Date |
|---|---|
| CN109219191A true CN109219191A (en) | 2019-01-15 |
| CN109219191B CN109219191B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811140591.7A Active CN109219191B (en) | 2018-09-28 | 2018-09-28 | Microwave induction dimming circuit |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202103898U (en) * | 2011-05-04 | 2012-01-04 | 宁波市普迪电子科技有限公司 | Automatic light-adjustment microwave inductor |
| CN202455606U (en) * | 2012-01-09 | 2012-09-26 | 刘内生 | Microwave sensor |
| KR101252017B1 (en) * | 2012-11-30 | 2013-04-08 | 주식회사 그리니스 | Sensor module with dual port |
| CN204993990U (en) * | 2015-08-27 | 2016-01-20 | 惠阳帝宇工业有限公司 | Light circuit with microwave vehicle actuated control and emergency lighting |
| CN105704855A (en) * | 2016-01-04 | 2016-06-22 | 京东方光科技有限公司 | Induction lamp and driving method thereof |
| CN205830123U (en) * | 2016-06-29 | 2016-12-21 | 深圳市源磊科技有限公司 | A kind of intelligent integral illumination module and lighting |
| CN206865791U (en) * | 2017-06-21 | 2018-01-09 | 深圳市双向诚科技有限公司 | A kind of New LED driver |
-
2018
- 2018-09-28 CN CN201811140591.7A patent/CN109219191B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202103898U (en) * | 2011-05-04 | 2012-01-04 | 宁波市普迪电子科技有限公司 | Automatic light-adjustment microwave inductor |
| CN202455606U (en) * | 2012-01-09 | 2012-09-26 | 刘内生 | Microwave sensor |
| KR101252017B1 (en) * | 2012-11-30 | 2013-04-08 | 주식회사 그리니스 | Sensor module with dual port |
| CN204993990U (en) * | 2015-08-27 | 2016-01-20 | 惠阳帝宇工业有限公司 | Light circuit with microwave vehicle actuated control and emergency lighting |
| CN105704855A (en) * | 2016-01-04 | 2016-06-22 | 京东方光科技有限公司 | Induction lamp and driving method thereof |
| CN205830123U (en) * | 2016-06-29 | 2016-12-21 | 深圳市源磊科技有限公司 | A kind of intelligent integral illumination module and lighting |
| CN206865791U (en) * | 2017-06-21 | 2018-01-09 | 深圳市双向诚科技有限公司 | A kind of New LED driver |
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| Publication number | Publication date |
|---|---|
| CN109219191B (en) | 2020-10-16 |
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Address after: No.12 tingchao Road, Jianshan New District, Haining City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang kaiyao Lighting Co.,Ltd. Address before: No.12 tingchao Road, Jianshan New District, Haining City, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG KLITE LIGHTING HOLDINGS Co.,Ltd. |
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