CN202435648U - Electrodeless dimming switch based on LED illumination - Google Patents
Electrodeless dimming switch based on LED illumination Download PDFInfo
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- CN202435648U CN202435648U CN2011204709220U CN201120470922U CN202435648U CN 202435648 U CN202435648 U CN 202435648U CN 2011204709220 U CN2011204709220 U CN 2011204709220U CN 201120470922 U CN201120470922 U CN 201120470922U CN 202435648 U CN202435648 U CN 202435648U
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- mcu processing
- coding switch
- rotary coding
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Abstract
The utility model discloses an electrodeless dimming switch based on LED illumination, comprising an MCU processing module, a rotating coding switch and a radio frequency (RF) emission circuit. The output end of the rotating coding switch is electrically connected with the input interface of the MCU processing module to input a rotary control signal to the MCU processing module, the RF emission circuit is electrically connected with the output interface of the MCU processing module, and the MCU processing module collects and processes the rotary control signal, and then outputs a pulse-width modulation (PWM) signal to the RF emission circuit. The beneficial effects of the utility model are that a main control circuit of an LED lamp is connected with an RF receiving circuit, the PWM signal outputted by the MCU processing module is transmitted via the RF emission circuit, and after receives the PWM signal, the RF receiving circuit notices the main control circuit to control the output current of a constant current power supply to thereby control the brightness of the LED lamp. The PWM signal is processed via 0-255 electrodeless modulation, so that the current outputted by the constant current power supply is controlled to change uniformly, and accordingly, the electrodeless dimming of the LED lamp is realized.
Description
[technical field]
The utility model relates to switching device, particularly a kind of electrodeless dimmer switch based on the LED illumination.
[background technology]
Development along with lighting technical field; Led light source because of have use low-tension supply, power consumption less, strong, the stability height of applicability, response time weak point, environmentally safe, advantage such as multicolor luminous; Become main flow lighting source of new generation; LED has replaced existing incandescent lamp, fluorescent lamp etc. gradually as the LED fluorescent tube of lighting source, LED bulb lamp etc., and the LED light fixture is realized light modulation through controllable silicon mostly in the prior art, yet; Can also have some defectives through controllable silicon light modulation: one of which, reverse-blocking tetrode thyristor self can consume part power in circuit, make the power consumption of entire circuit increase; Two, in the controllable silicon light modulation process, the lamp brightness even variation can not be guaranteed, promptly electrodeless light modulation can not be realized; Therefore, the electrodeless light modulation of realization LED light fixture is a problem demanding prompt solution.
[summary of the invention]
The purpose of the utility model is to overcome above-mentioned deficiency, provide a kind of good dimming effect, brightness can by 0%-100% change the electrodeless dimmer switch based on the LED illumination.
The purpose of the utility model is to realize like this: it comprises MCU processing module, rotary coding switch and RF radiating circuit; The output of said rotary coding switch is electrically connected at MCU processing module input interface; Rotation control signal is inputed to the MCU processing module; The RF radiating circuit is electrically connected at the output interface of MCU processing module, and the MCU processing module is gathered rotation control signal it is handled back output one pwm signal to the RF radiating circuit;
In the said structure; Said MCU processing module comprises single-chip microcomputer; Said rotary coding switch comprises five pins; Wherein first pin of rotary coding switch is connected with the VCC pin of single-chip microcomputer through first pull-up resistor; The 3rd pin of rotary coding switch is connected with the VCC pin of single-chip microcomputer through second pull-up resistor, and first pin of rotary coding switch and the first pull-up resistor node are electrically connected at the 6th pin of single-chip microcomputer, and the 3rd pin of rotary coding switch and the second pull-up resistor node are electrically connected at the tenth pin of single-chip microcomputer; The 4th pin of rotary coding switch be connected in series successively first resistance, second resistance, key switch, ground connection, the 4th pin of rotary coding switch and the node of first resistance are electrically connected at the 11 pin of single-chip microcomputer; Second pin of rotary coding switch and the 5th pin ground connection.
The utility model beneficial effect is: the utility model is connected in MCU processing module input interface through rotary coding switch; Rotation control signal is inputed to the MCU processing module; The RF radiating circuit is electrically connected at the output interface of MCU processing module, and the MCU processing module is gathered rotation control signal it is handled back output one pwm signal to the RF radiating circuit; Thereby form an electrodeless dimmer switch, when concrete the application, on the governor circuit on the LED light fixture, connect a RF receiving circuit; MCU processing module output pwm signal sends through the RF radiating circuit, after the RF receiving circuit receives this pwm signal, and the size of the output current of logical governor circuit control constant-current supply; And then the brightness of control LED light fixture; Because pwm signal is by the electrodeless modulation of 0-255, therefore, the electric current of its control constant-current supply output also is an even variation; By this, realize the electrodeless light modulation of LED light fixture.
[description of drawings]
Fig. 1 is the theory diagram of the utility model
Fig. 2 is the LED circuit for lamp theory diagram corresponding with the utility model
Fig. 3 is the schematic diagram of the utility model
[embodiment]
Below in conjunction with accompanying drawing and concrete execution mode the utility model is described further:
With reference to shown in Figure 1; The utility model has disclosed a kind of electrodeless dimmer switch based on the LED illumination; It comprises MCU processing module 2, rotary coding switch 1 and RF radiating circuit 3; The output of said rotary coding switch 1 is electrically connected at MCU processing module 2 input interfaces; Rotation control signal is inputed to MCU processing module 2, and RF radiating circuit 3 is electrically connected at the output interface of MCU processing module 2, and MCU processing module 2 is gathered rotation control signal it is handled back output one pwm signal to RF radiating circuit 3.
With reference to shown in Figure 3; MCU processing module 2 comprises single-chip microcomputer; Rotary coding switch 1 comprises five pins; Wherein the first pin OUT1 of rotary coding switch 1 is connected with the VCC pin of single-chip microcomputer through the first pull-up resistor R5; The 3rd pin OUT2 of rotary coding switch 1 is connected with the VCC pin of single-chip microcomputer through the second pull-up resistor R6, and the first pin OUT1 of rotary coding switch 1 and the first pull-up resistor R5 node are electrically connected at the 6th pin P3.3 of single-chip microcomputer, and the 3rd pin OUT1 of rotary coding switch 1 and the second pull-up resistor R6 node are electrically connected at the tenth pin P1.0 of single-chip microcomputer; The 4th pin K1 of rotary coding switch 1 be connected in series successively first resistance R 7, second resistance R 8, key switch, ground connection, the 4th pin K1 of rotary coding switch 1 and the node of first resistance R 7 are electrically connected at the 11 pin P1.1 of single-chip microcomputer; Second pin of rotary coding switch 1 and the 5th pin ground connection.Single-chip microcomputer U2 supplies power to it through power module U1, and the 9th pin of single-chip microcomputer is series resistance R9, light-emitting diode D1, ground connection successively; RF radiating circuit 3 is made up of capacitor C 1, C2, inductance L 1, L2, resistance R 1, R2, R3 and triode Q1, Q2, this RF radiating circuit 3 pass through the 14 pin that resistance R 1 inserts single-chip microcomputer, be used to launch the pwm signal of the output of MCU processing module 2.
With reference to shown in Figure 2; Be applied to the theory diagram of LED light fixture for the utility model; On the governor circuit 5 of LED light fixture, electrically connect a RF receiving circuit 4, governor circuit 5 outputs connect DC/DC constant-current supply module 6, and DC/DC constant-current supply module 6 is connected in LED light fixture 7; For LED light fixture 7 provides power supply, MCU processing module 2 is gathered the rotation control signal of rotary coding switch 1 it is handled back output one pwm signal to RF radiating circuit 3; Send through RF radiating circuit 3, after RF receiving circuit 4 receives this pwm signal, input to governor circuit 5; Governor circuit 5 is handled and the output pwm control signal, the size of the output current of control DC/DC constant-current supply module 6, and then the brightness of control LED light fixture 7; Because pwm signal is by the electrodeless modulation of 0-255, therefore, the electric current of its control DC/DC constant-current supply module 6 outputs also is an even variation; By this, realize the 7 electrodeless light modulations of LED light fixture.
According to the announcement and the instruction of above-mentioned specification, those skilled in the art in the invention can also carry out suitable change and modification to above-mentioned execution mode.Therefore, the embodiment that discloses and describe above the present invention is not limited to also should fall in the protection range of claim of the present invention modifications more of the present invention and change.In addition, although used some specific terms in this specification, these terms are explanation for ease just, the present invention is not constituted any restriction.
Claims (2)
1. electrodeless dimmer switch based on LED illumination; It is characterized in that: it comprises MCU processing module, rotary coding switch and RF radiating circuit; The output of said rotary coding switch is electrically connected at MCU processing module input interface, and rotation control signal is inputed to the MCU processing module; The RF radiating circuit is electrically connected at the output interface of MCU processing module, and the MCU processing module is gathered rotation control signal it is handled back output one pwm signal to the RF radiating circuit.
2. the electrodeless dimmer switch based on the LED illumination according to claim 1; It is characterized in that: said MCU processing module comprises single-chip microcomputer; Said rotary coding switch comprises five pins; Wherein first pin of rotary coding switch is connected with the VCC pin of single-chip microcomputer through first pull-up resistor; The 3rd pin of rotary coding switch is connected with the VCC pin of single-chip microcomputer through second pull-up resistor, and first pin of rotary coding switch and the first pull-up resistor node are electrically connected at the 6th pin of single-chip microcomputer, and the 3rd pin of rotary coding switch and the second pull-up resistor node are electrically connected at the tenth pin of single-chip microcomputer; The 4th pin of rotary coding switch be connected in series successively first resistance, second resistance, key switch, ground connection, the 4th pin of rotary coding switch and the node of first resistance are electrically connected at the 11 pin of single-chip microcomputer; Second pin of rotary coding switch and the 5th pin ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204709220U CN202435648U (en) | 2011-11-24 | 2011-11-24 | Electrodeless dimming switch based on LED illumination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204709220U CN202435648U (en) | 2011-11-24 | 2011-11-24 | Electrodeless dimming switch based on LED illumination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202435648U true CN202435648U (en) | 2012-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204709220U Expired - Fee Related CN202435648U (en) | 2011-11-24 | 2011-11-24 | Electrodeless dimming switch based on LED illumination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202435648U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763987A (en) * | 2015-04-07 | 2015-07-08 | 东莞瑞柯电子科技股份有限公司 | Movable power supply light dimming device, light dimming circuit and light dimming method of light dimming device |
| CN107770907A (en) * | 2017-09-22 | 2018-03-06 | 邓伟 | A kind of new type multipath LED non-pole light regulating lamp strings |
-
2011
- 2011-11-24 CN CN2011204709220U patent/CN202435648U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763987A (en) * | 2015-04-07 | 2015-07-08 | 东莞瑞柯电子科技股份有限公司 | Movable power supply light dimming device, light dimming circuit and light dimming method of light dimming device |
| CN107770907A (en) * | 2017-09-22 | 2018-03-06 | 邓伟 | A kind of new type multipath LED non-pole light regulating lamp strings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20131124 |