CN204180333U - The multi-channel LED constant-current dimming controller of DC centrally connected power supply - Google Patents
The multi-channel LED constant-current dimming controller of DC centrally connected power supply Download PDFInfo
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- CN204180333U CN204180333U CN201420503047.5U CN201420503047U CN204180333U CN 204180333 U CN204180333 U CN 204180333U CN 201420503047 U CN201420503047 U CN 201420503047U CN 204180333 U CN204180333 U CN 204180333U
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Abstract
The utility model discloses a kind of multi-channel LED constant-current dimming controller of DC centrally connected power supply, comprise single-chip microcomputer and AC-DC constant voltage source, the communication port of described single-chip microcomputer connects communication module, and the I/O port of described single-chip microcomputer connects constant current output module; The multiple constant current power output end that described AC-DC constant voltage source comprises AC-DC Switching Power Supply, exported by Single-chip Controlling; Described every road constant-current supply output is respectively by the corresponding LED of constant current output model calling.The utility model has the advantage of the parallel control function that can realize light current switch control rule and network remote control.
Description
Technical field
The utility model relates to LED power, especially relate to a kind of AC-DC Switching Power Supply that adopts and concentrate DC low-voltage DC supply as driving power, realize multi-channel LED constant-current dimming by controller to control, the multi-channel LED constant-current dimming controller of the DC centrally connected power supply of the parallel control function of light current switch control rule and network remote control can be realized.
Background technology
LED has been widely adopted with its significant energy-saving effect and has popularized; At present, LED illumination is that each LED lamp configures an external driving power and directly connects AC network mostly, and by driving power direct current supply to LED lamp, the impact of driving power on the one hand by electrical network is very large, and such as electrical network affects the EMC of driving power; On the other hand, the driving power of every LED lamp all needs through EMC, rectification, power factor correction, filtering, power drive, inversion step-down, steady voltage exports or current stabilization exports LED light source to again.The circuit of driving power control device is complicated, components and parts are many, and cost is high.And comparatively speaking, safety, EMC problem are more outstanding.Current producer, in order to save the cost of LED drive power, generally does fairly simple, and the overwhelming majority can cause surge when LED lamp powers on, and can affect the useful life of LED lamp; If intelligent controller, the dead fault of nail time serious, then can be caused to the relay in controller.
In addition, if the external driving power of LED lamp is installed very inconvenient under the environment not having smallpox.For this reason, driving power is integrated in light fixture by some LED lamp, causes so again the pressure of heat radiation, affects the useful life of LED lamp equally.
Utility model content
For overcoming the shortcoming of prior art, the utility model object is to provide a kind of AC-DC Switching Power Supply that adopts to concentrate DC low-voltage DC supply as driving power, realize multi-channel LED constant-current dimming by controller to control, the multi-channel LED constant-current dimming controller of the DC centrally connected power supply of the parallel control function of light current switch control rule and network remote control can be realized.
The utility model is realized by following technical measures, a kind of multi-channel LED constant-current dimming controller of DC centrally connected power supply, comprise single-chip microcomputer and AC-DC constant voltage source, the communication port of described single-chip microcomputer connects communication module, and the I/O port of described single-chip microcomputer connects constant current output module; The multiple constant current power output end that described AC-DC constant voltage source comprises AC-DC Switching Power Supply, Single-chip Controlling exports; Described every road constant-current supply output is respectively by the corresponding LED of constant current output model calling.
As a kind of optimal way, described single-chip microcomputer is ARM single-chip microcomputer.
As a kind of optimal way, described single-chip microcomputer and communication module are by a DC power module supplying DC power source.
As a kind of optimal way, described DC power module is powered after the voltage stabilizing of voltage stabilizing chip by external power source.
As a kind of optimal way, described communication module receives extraneous control command, and exports corresponding pwm control signal to corresponding constant current output module by single-chip microcomputer; When I/O port load condition changes, outwardly sent the status command of I/O port by communication module.
As a kind of optimal way, described communication module is network communication module or WIFI communication module.
As a kind of optimal way, described communication module is CAN transceiver.
The utility model adopts AC-DC Switching Power Supply to concentrate low-voltage DC supply as driving power, realizes multi-channel LED constant-current dimming control by constant current output module, can realize the parallel control function of light current switch control rule and network remote control; LED illumination concentrates DC direct current supply simultaneously, improves the efficiency of light fixture and system, when ensureing effective lighting, realizes energy-efficient; Due to LED lamp load not having driving power, thus light fixture heating reduces, reliability is high, the life-span is long, line loss reduces.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model embodiment.
Embodiment
Contrast accompanying drawing below in conjunction with embodiment the utility model is described in further detail.
A multi-channel LED constant-current dimming controller for DC centrally connected power supply, with reference to figure 1, comprises single-chip microcomputer 6 and AC-DC constant voltage source, and the communication port of described single-chip microcomputer 6 connects communication module, and the I/O port of described single-chip microcomputer 6 connects constant current output module 7; Described AC-DC constant voltage source comprises AC-DC Switching Power Supply 2, is controlled the multiple constant current power output end 3 of output by single-chip microcomputer 6; Described every road constant-current supply output 3 connects corresponding LED4 respectively by constant current output module 7.
Adopt AC-DC Switching Power Supply to concentrate low-voltage DC supply as driving power, realize multi-channel LED constant-current dimming by constant current output module 7 and control, the parallel control function of light current switch control rule and network remote control can be realized.All LED load share an efficient AC-DC Switching Power Supply, and being exported by the every road of constant current output module 7 is a constant-current supply; When single-chip microcomputer 6 receive networking command, intelligent function and input signal etc. need to change current LED luminance time, will by exporting corresponding pwm signal to constant current output module 7, change output current pulsewidth.
The beneficial effects of the utility model are:
1, can manually and network parallel control LED load;
2, LED stepless dimming can be realized, without stroboscopic;
3, LED illumination concentrates DC direct current supply, improves the efficiency of light fixture and system; When ensureing effective lighting, realize energy-efficient;
4, all LED lamp loads can not have driving power, make light fixture generate heat reduce, the reliability of light fixture can be done very high, the life-span can be very long, there is not power factor problem, therefore supply line's loss reduce.
In the embodiment of the multi-channel LED constant-current dimming controller of a DC centrally connected power supply, please refer to Fig. 1, the basis of previous technique scheme can also be specifically, single-chip microcomputer 6 is ARM single-chip microcomputer.
In the embodiment of the multi-channel LED constant-current dimming controller of a DC centrally connected power supply, please refer to Fig. 1, the basis of previous technique scheme can also be specifically, single-chip microcomputer 6 and communication module are by DC power module 5 supplying DC power source.
In the embodiment of the multi-channel LED constant-current dimming controller of a DC centrally connected power supply, the basis of previous technique scheme can also be specifically, DC power module is powered after the voltage stabilizing of voltage stabilizing chip by external power source.DC power supply adopts outside unified supply DC12V power supply, and module provides DC3.3V and DC5V to use to single-chip microcomputer and peripheral circuit by voltage stabilizing circuit respectively.
In the embodiment of the multi-channel LED constant-current dimming controller of a DC centrally connected power supply, the basis of previous technique scheme can also be specifically, communication module receives extraneous control command, and exports corresponding pwm control signal to corresponding constant current output module by single-chip microcomputer; When I/O port load condition changes, outwardly sent the status command of I/O port by communication module.
In the embodiment of the multi-channel LED constant-current dimming controller of a DC centrally connected power supply, the basis of previous technique scheme can also be specifically that communication module is network communication module or WIFI communication module.Network communication mode can be the communication modes such as LAN, bus, wireless, power carrier.
In the embodiment of the multi-channel LED constant-current dimming controller of a DC centrally connected power supply, please refer to Fig. 1, the basis of previous technique scheme can also be specifically, communication module is CAN transceiver 1.
More than that the multi-channel LED constant-current dimming controller of the utility model DC centrally connected power supply is set forth; the utility model is understood for helping; but execution mode of the present utility model is not restricted to the described embodiments; any do not deviate from the utility model principle under do change, modification, substitute, combination, simplify; all should be the substitute mode of equivalence, be included within protection range of the present utility model.
Claims (7)
- The multi-channel LED constant-current dimming controller of 1.DC centrally connected power supply, is characterized in that: comprise single-chip microcomputer and AC-DC constant voltage source, and the communication port of described single-chip microcomputer connects communication module, and the I/O port of described single-chip microcomputer connects constant current output module; The multiple constant current power output end that described AC-DC constant voltage source comprises AC-DC Switching Power Supply, exported by Single-chip Controlling; Described every road constant-current supply output is respectively by the corresponding LED of constant current output model calling.
- 2. the multi-channel LED constant-current dimming controller of DC centrally connected power supply according to claim 1, is characterized in that: described single-chip microcomputer is ARM single-chip microcomputer.
- 3. the multi-channel LED constant-current dimming controller of DC centrally connected power supply according to claim 1, is characterized in that: described single-chip microcomputer and communication module are by a DC power module supplying DC power source.
- 4. the multi-channel LED constant-current dimming controller of DC centrally connected power supply according to claim 3, is characterized in that: described DC power module is powered after the voltage stabilizing of voltage stabilizing chip by external power source.
- 5. the multi-channel LED constant-current dimming controller of DC centrally connected power supply according to claim 1, is characterized in that: described communication module receives extraneous control command, and exports corresponding pwm control signal to corresponding constant current output module by single-chip microcomputer; When I/O port load condition changes, outwardly sent the status command of I/O port by communication module.
- 6. the multi-channel LED constant-current dimming controller of DC centrally connected power supply according to claim 1, is characterized in that: described communication module is network communication module or WIFI communication module.
- 7. the multi-channel LED constant-current dimming controller of DC centrally connected power supply according to claim 6, is characterized in that: described communication module is CAN transceiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420503047.5U CN204180333U (en) | 2014-09-02 | 2014-09-02 | The multi-channel LED constant-current dimming controller of DC centrally connected power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420503047.5U CN204180333U (en) | 2014-09-02 | 2014-09-02 | The multi-channel LED constant-current dimming controller of DC centrally connected power supply |
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| CN204180333U true CN204180333U (en) | 2015-02-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104837267A (en) * | 2015-05-12 | 2015-08-12 | 金红涛 | Multipath light modulation apparatus |
| CN107516942A (en) * | 2017-09-01 | 2017-12-26 | 合肥敏喆信息科技有限公司 | A kind of power supply output management system |
-
2014
- 2014-09-02 CN CN201420503047.5U patent/CN204180333U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104837267A (en) * | 2015-05-12 | 2015-08-12 | 金红涛 | Multipath light modulation apparatus |
| CN104837267B (en) * | 2015-05-12 | 2018-09-18 | 金红涛 | Multichannel light modulating device |
| CN107516942A (en) * | 2017-09-01 | 2017-12-26 | 合肥敏喆信息科技有限公司 | A kind of power supply output management system |
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| CX01 | Expiry of patent term |
Granted publication date: 20150225 |