CN203206554U - Infrared remote-control light modulator - Google Patents
Infrared remote-control light modulator Download PDFInfo
- Publication number
- CN203206554U CN203206554U CN2013202060510U CN201320206051U CN203206554U CN 203206554 U CN203206554 U CN 203206554U CN 2013202060510 U CN2013202060510 U CN 2013202060510U CN 201320206051 U CN201320206051 U CN 201320206051U CN 203206554 U CN203206554 U CN 203206554U
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- Prior art keywords
- circuit
- constant
- current control
- electrically connected
- control circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model discloses an infrared remote-control light modulator, which comprises an EMC (Electro-Magnetic Compatibility) circuit, a rectifier bridge, a valley-fill PFC (Power Factor Correction) circuit, a No.1 constant-current control circuit, a feedback voltage circuit, a No.2 constant-current control circuit, a micro-control unit and a button. The EMC circuit is electrically connected with the rectifier bridge, the rectifier bridge is electrically connected with the valley-fill PFC circuit, the valley-fill PFC circuit is electrically connected with the No.1 constant-current control circuit, the No.2 constant-current control circuit is connected with the No.1 constant-current control circuit by driving a No.1 metal-oxide semi-field effect transistor with high voltage, the No.1 constant-current control circuit is electrically connected with the feedback voltage circuit, the micro-control unit is connected with the feedback voltage circuit by driving a No.2 metal-oxide semi-field effect transistor with low voltage, and the micro-control unit is electrically connected with an infrared reception module. According to the utility model, the micro-control unit can realize light modulation in six segments, thereby adjusting intensity of a light source to realize required illumination degree.
Description
Technical field
The utility model relates to a kind of light modulating device, is specifically related to a kind of infrared remote controlled light modulated device.
Background technology
Light modulating device is a kind of luminous flux of light source in the lighting device, electric device of adjusting illumination level of changing, and its basic principle is to change the current effective value of input light source to reach the purpose of light modulation.A kind of LED pulse-width dimmer is disclosed such as patent ZL200920234961.3, the discharge end of three or five timers connects a charge and discharge device, charge and discharge device one end connects with the resistance that is connected power positive end, the charge and discharge device other end connects first voltage comparator, be connected between charge and discharge device and the first voltage comparator by wire after the high level trigger end of three or five timers and the parallel connection of low level trigger end, the control voltage end of three or five timers is extreme by second voltage comparator power-, the output of three or five timers is connected with control valve one end of LED lamp, and the other end of LED lamp connects power positive end.This light modulating device does not have the function of sectional dimming.
The utility model content
In order to overcome the existing defective of above-mentioned prior art, the utility model provides a kind of infrared remote controlled light modulated device, and this light modulating device has the sectional dimming function.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of infrared remote controlled light modulated device, comprise the EMC circuit, rectifier bridge, the valley fill type pfc circuit, the number one constant-current control circuit, feedback voltage circuit, No. second constant-current control circuit, micro-control unit and button, described EMC circuit and rectifier bridge are by being electrically connected, described rectifier bridge and valley fill type pfc circuit are by being electrically connected, described valley fill type pfc circuit and number one constant-current control circuit are by being electrically connected, metal-oxide half field effect transistor of described No. second constant-current control circuit high drive is realized being connected with described number one constant-current control circuit, described number one constant-current control circuit and feedback voltage circuit are by being electrically connected, No. two metal-oxide half field effect transistors of described micro-control unit low-voltage driving and feedback voltage circuit realize being connected, and described micro-control unit and infrared receiving module are for being electrically connected.
Described EMC circuit is connected with extraneous power supply, is provided with the resistance fuse in the circuit of connection.
Described rectifier bridge is the full-bridge rectification bridge.
The beneficial effects of the utility model are, can realize six sections sectional dimming by micro-control unit, and more simply and easily control interface is provided, the convenient use, and the intensity of more easily regulating light source is to reach required illumination.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment:
Be easy to understand understanding in order to make technological means of the present utility model, creation characteristic and to reach purpose, further set forth the utility model below in conjunction with specific embodiment
As shown in Figure 1, a kind of infrared remote controlled light modulated device described in the utility model comprises EMC circuit 1, rectifier bridge 2, valley fill type pfc circuit 3, number one constant-current control circuit 4, feedback voltage circuit 5, No. second constant-current control circuit 7, micro-control unit 9 and button 10, described EMC circuit 1 and rectifier bridge 2 are by being electrically connected, described rectifier bridge 2 and valley fill type pfc circuit 3 are by being electrically connected, described valley fill type pfc circuit 3 and number one constant-current control circuit 4 are by being electrically connected, metal-oxide half field effect transistor 6 of described No. second constant-current control circuit 7 high drive is realized being connected with described number one constant-current control circuit 4, described number one constant-current control circuit 4 and feedback voltage circuit 5 are by being electrically connected, No. two metal-oxide half field effect transistors 8 of described micro-control unit 9 low-voltage driving and feedback voltage circuit 5 realizes being connected, and described micro-control unit 9 and infrared receiving module 10 are for being electrically connected.
Further, described EMC circuit 1 is connected with extraneous power supply, is provided with the resistance fuse in the circuit of connection.
Further, described rectifier bridge 2 is the full-bridge rectification bridge.
When infrared receiving module 10 received infrared signal, micro-control unit 9 detected the infrared signal that transmits from infrared receiving module 10 automatically, exports corresponding signal by this signal, changes the brightness of load.
Above demonstration and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. infrared remote controlled light modulated device, it is characterized in that: it comprises the EMC circuit, rectifier bridge, the valley fill type pfc circuit, the number one constant-current control circuit, feedback voltage circuit, No. second constant-current control circuit, micro-control unit and button, described EMC circuit and rectifier bridge are by being electrically connected, described rectifier bridge and valley fill type pfc circuit are by being electrically connected, described valley fill type pfc circuit and number one constant-current control circuit are by being electrically connected, metal-oxide half field effect transistor of described No. second constant-current control circuit high drive is realized being connected with described number one constant-current control circuit, described number one constant-current control circuit and feedback voltage circuit are by being electrically connected, No. two metal-oxide half field effect transistors of described micro-control unit low-voltage driving and feedback voltage circuit realize being connected, and described micro-control unit and infrared receiving module are for being electrically connected.
2. described a kind of infrared remote controlled light modulated device according to claim 1, it is characterized in that: described EMC circuit is connected with extraneous power supply, is provided with the resistance fuse in the circuit of connection.
3. described a kind of infrared remote controlled light modulated device according to claim 1, it is characterized in that: described rectifier bridge is the full-bridge rectification bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202060510U CN203206554U (en) | 2013-04-22 | 2013-04-22 | Infrared remote-control light modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202060510U CN203206554U (en) | 2013-04-22 | 2013-04-22 | Infrared remote-control light modulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203206554U true CN203206554U (en) | 2013-09-18 |
Family
ID=49150603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202060510U Expired - Fee Related CN203206554U (en) | 2013-04-22 | 2013-04-22 | Infrared remote-control light modulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203206554U (en) |
-
2013
- 2013-04-22 CN CN2013202060510U patent/CN203206554U/en not_active Expired - Fee Related
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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: 20130918 Termination date: 20140422 |