CN201388319Y - LED light source control device capable of multiple synchronization - Google Patents
LED light source control device capable of multiple synchronization Download PDFInfo
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- CN201388319Y CN201388319Y CN200920068191U CN200920068191U CN201388319Y CN 201388319 Y CN201388319 Y CN 201388319Y CN 200920068191 U CN200920068191 U CN 200920068191U CN 200920068191 U CN200920068191 U CN 200920068191U CN 201388319 Y CN201388319 Y CN 201388319Y
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- module
- light source
- control device
- led light
- led
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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
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Abstract
The utility model relates to an LED light source control device capable of multiple synchronization. The LED light source control device comprises a commercial power phase signal separating module, an analog video field synchronizing signal separating module, a parameter configuration module, a phase-locked loop control module and an LED synchronous signal output module. The commercial power phase signal separating module, the analog video field synchronizing signal separating module and the parameter configuration module are respectively and electrically connected with the phase-locked loop control module, the phase-locked loop control module is electrically connected with the LED synchronous signal output module, and the commercial power phase signal separating module is a zero cross detection module. The LED light source control device can also comprise an external trigger signal capture module which is electrically connected with the phase-locked loop control module. By being matched with a synchronous camera, the LED light source control device can save the energy and reduce light pollution without influencing the photographing quality of the camera.
Description
Technical field
The utility model relates to the video camera light compensating apparatus technical field of taking pictures, and particularly is used for the light compensating apparatus technical field that the video camera of traffic and security protection is taken pictures, specifically be meant a kind of can multiple synchronous led light source control device.
Background technology
The video camera that is used for traffic and security protection is taken pictures and is adopted light compensating apparatus usually, LED for light filling adopts constant level mode or video camera control model now, what the normal bright band that constant level mode causes came is great energy loss, and in the video camera control model, LED moment by going out to the great light pollution of bright generation.
In order to address the above problem, need a kind of device to control LED, thus energy-conservation, minimizing light pollution, and do not influence the video camera shooting quality.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, provide a kind of can multiple synchronous led light source control device, this led light source control device cooperates synchronous video camera, when not influencing the video camera shooting quality, and can energy-conservation and minimizing light pollution.
To achieve these goals, of the present utility model can have following formation by multiple synchronous led light source control device:
This can multiple synchronous led light source control device, be characterized in, comprise that civil power phase signal separation module, analog video field sync signal separation module, parameter are provided with module, PLL control module and LED synchronizing signal output module, described civil power phase signal separation module, described analog video field sync signal separation module and described parameter are provided with module and are electrically connected described PLL control module respectively, and described PLL control module is electrically connected described LED synchronizing signal output module.
Preferably, described civil power phase signal separation module is the zero passage detection module.
Preferably, also comprise the outer triggering signal capture module, described outer triggering signal capture module is electrically connected described PLL control module.
The utility model is isolated phase signal by civil power phase signal separation module from civil power, or from analog video signal, isolate field sync signal by analog video field sync signal separation module, select one of them to realize stable phase signal through phase-locked loop according to the method for synchronization that is provided with, video camera is as long as can realize synchronous operating state with power supply or audio video synchronization; The function of outer triggering signal capture module can realize under the not enough situation of brightness, video camera prolongs aperture time, shutter signal is lighted LED as triggering signal, LED was not with the synchronous mode Chang Liang of power supply when video camera was not worked, the parameter that is provided with has comprised that power supply synchronously and the mode of audio video synchronization, the locking phase of 0～360 degree, the duty ratio of 0～100% output signal, LED synchronizing signal output module has the ability that drives a plurality of smooth lotus roots or metal-oxide-semiconductor, therefore, the utility model cooperates synchronous video camera, when not influencing the video camera shooting quality, and can energy-conservation and minimizing light pollution.
Description of drawings
Fig. 1 is the structural representation of a specific embodiment of the present utility model.
Embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
See also shown in Figure 1, of the present utility model can multiple synchronous led light source control device, comprise that civil power phase signal separation module, analog video field sync signal separation module, parameter are provided with module, PLL control module and LED synchronizing signal output module, described civil power phase signal separation module, described analog video field sync signal separation module and described parameter are provided with module and are electrically connected described PLL control module respectively, and described PLL control module is electrically connected described LED synchronizing signal output module.During use, AC power inserts civil power phase signal separation module, and analog video signal inserts analog video field sync signal separation module, and LED synchronizing signal output module is used for by LED driver module driving LED lamp.
In a specific embodiment of the present utility model, described civil power phase signal separation module is the zero passage detection module.
In a specific embodiment of the present utility model, also comprise the outer triggering signal capture module, described outer triggering signal capture module is electrically connected described PLL control module.Triggering signal inserts described outer triggering signal capture module.
In order to satisfy energy-conservation and to reduce light pollution, LED is lighted in the mode of pulse, as long as pulse frequency reaches certain value, human eye just is difficult to differentiate bright dark, thinks the state of a Chang Liang, video camera only in the bright moment work of LED, is realized the light filling requirement.The utility model is powered by alternating current 220V, isolate phase signal in the civil power, the also field sync signal that can from analog video signal, separate, select one of them to realize stable phase signal through phase-locked loop according to the method for synchronization that is provided with, video camera is as long as can realize synchronous operating state with power supply or audio video synchronization; The function of outer triggering signal capture module can realize under the not enough situation of brightness that video camera prolongs aperture time, and shutter signal is lighted LED as triggering signal, and LED was not with the synchronous mode Chang Liang of power supply when video camera was not worked.The parameter that parameter is provided with the module setting has comprised power supply synchronously and the mode of audio video synchronization, 0～360 locking phase of spending, the duty ratio of 0～100% output signal.The LED synchronizing signal of LED synchronizing signal output module output has the ability that drives a plurality of smooth lotus roots or metal-oxide-semiconductor.
The utility model is with the purpose of the integrated multiple method of synchronization situation that meets the different needs, can both cooperate the synchronous function of realization with the video camera that LED driver module, LED lamp reach based on certain method of synchronization in the application at the scene, promptly LED is in the luminous state when video camera is taken, thereby realizes purpose of design of the present utility model.
To sum up, of the present utility modelly can cooperate synchronous video camera by multiple synchronous led light source control device, when not influencing the video camera shooting quality, can be energy-conservation and reduce light pollution.
In this specification, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (3)
- One kind can multiple synchronous led light source control device, it is characterized in that, comprise that civil power phase signal separation module, analog video field sync signal separation module, parameter are provided with module, PLL control module and LED synchronizing signal output module, described civil power phase signal separation module, described analog video field sync signal separation module and described parameter are provided with module and are electrically connected described PLL control module respectively, and described PLL control module is electrically connected described LED synchronizing signal output module.
- 2. according to claim 1 can multiple synchronous led light source control device, it is characterized in that described civil power phase signal separation module is the zero passage detection module.
- 3. according to claim 1 can multiple synchronous led light source control device, it is characterized in that also comprise the outer triggering signal capture module, described outer triggering signal capture module is electrically connected described PLL control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920068191U CN201388319Y (en) | 2009-02-27 | 2009-02-27 | LED light source control device capable of multiple synchronization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920068191U CN201388319Y (en) | 2009-02-27 | 2009-02-27 | LED light source control device capable of multiple synchronization |
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| Publication Number | Publication Date |
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| CN201388319Y true CN201388319Y (en) | 2010-01-20 |
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| CN200920068191U Expired - Lifetime CN201388319Y (en) | 2009-02-27 | 2009-02-27 | LED light source control device capable of multiple synchronization |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446417A (en) * | 2011-11-10 | 2012-05-09 | 中盟智能科技（苏州）有限公司 | Method and device for snapshot control of traffic camera |
| CN103428505A (en) * | 2012-05-22 | 2013-12-04 | 富士通将军股份有限公司 | Night vision image capturing apparatus and infrared radiating apparatus and night vision image capturing system |
| CN104333380A (en) * | 2013-10-17 | 2015-02-04 | 广州硅芯电子科技有限公司 | LED display screen drive device, method and LED display system |
| CN104797057A (en) * | 2015-04-29 | 2015-07-22 | 宁波摩米创新工场电子科技有限公司 | LED (light emitting diode) energy-saving driving system based on phase-locked loop circuit |
-
2009
- 2009-02-27 CN CN200920068191U patent/CN201388319Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102446417A (en) * | 2011-11-10 | 2012-05-09 | 中盟智能科技（苏州）有限公司 | Method and device for snapshot control of traffic camera |
| CN103428505A (en) * | 2012-05-22 | 2013-12-04 | 富士通将军股份有限公司 | Night vision image capturing apparatus and infrared radiating apparatus and night vision image capturing system |
| EP2667588A3 (en) * | 2012-05-22 | 2013-12-11 | Fujitsu General Limited | Night vision image capturing apparatus and infrared radiating apparatus and night vision image capturing system |
| CN104333380A (en) * | 2013-10-17 | 2015-02-04 | 广州硅芯电子科技有限公司 | LED display screen drive device, method and LED display system |
| CN104333380B (en) * | 2013-10-17 | 2017-11-17 | 广州硅芯电子科技有限公司 | LED display drive device, method and LED display system |
| CN104797057A (en) * | 2015-04-29 | 2015-07-22 | 宁波摩米创新工场电子科技有限公司 | LED (light emitting diode) energy-saving driving system based on phase-locked loop circuit |
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Granted publication date: 20100120 |
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| CX01 | Expiry of patent term |