CN203457382U - High-power LED flash lamp - Google Patents
High-power LED flash lamp Download PDFInfo
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- CN203457382U CN203457382U CN201320570673.1U CN201320570673U CN203457382U CN 203457382 U CN203457382 U CN 203457382U CN 201320570673 U CN201320570673 U CN 201320570673U CN 203457382 U CN203457382 U CN 203457382U
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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
本实用新型涉及一种大功率LED闪光灯，属于光源控制领域，包括灯壳以及设置在灯壳内部的LED灯和控制装置，控制装置包括信号同步检测电路。信号同步检测电路包括接线端子J3、光耦器U1、二极管D2、二极管D3、二极管D4、三极管V1、电阻R6和电阻R7，接线端子J3的端口3连接光耦器U1的输入端，光耦器U1的输出端与主控制器相连，同时，端口3与三极管V1的集电极相连；接线端子J3的端口2、二极管D2和电阻R6串联后通过二极管D3与三极管V1的基极相连，同时，端口2、二极管D2和电阻R6串联后通过电阻R7与三极管V1的发射极相连并通过二极管D4接地；端口1与三极管V1的发射极连接并通过二极管D4接地。本实用新型信号兼容性强，有效地提高LED闪光灯的亮度。
The utility model relates to a high-power LED flash lamp, belonging to the field of light source control, comprising a lamp housing, an LED lamp and a control device arranged inside the lamp housing, and the control device includes a signal synchronous detection circuit. The signal synchronization detection circuit includes terminal J3, optocoupler U1, diode D2, diode D3, diode D4, transistor V1, resistor R6 and resistor R7, port 3 of terminal J3 is connected to the input end of optocoupler U1, and the optocoupler The output terminal of U1 is connected with the main controller, and at the same time, port 3 is connected with the collector of the triode V1; the port 2 of the terminal J3, the diode D2 and the resistor R6 are connected in series with the base of the triode V1 through the diode D3, and at the same time, the port 2. Diode D2 and resistor R6 are connected in series to the emitter of transistor V1 through resistor R7 and grounded through diode D4; port 1 is connected to the emitter of transistor V1 and grounded through diode D4. The utility model has strong signal compatibility and can effectively improve the brightness of the LED flashlight.
Description
Technical field
The utility model relates to a kind of great power LED photoflash lamp, relates in particular to a kind of compatibility strong, and the life-span is long, and the great power LED photoflash lamp that brightness is high, belongs to light source control field.
Background technology
In intelligent traffic monitoring system, when rule-breaking vehicle having been detected, need video camera trigger flashing lamp moment to send high light, capture.Car plate identification is had relatively high expectations to image exposure, in order to guarantee higher discrimination, with high brightness gas photoflash lamp, is vehicle snapshot light filling.
The useful life of gas photoflash lamp is short, and the advantage such as LED light fixture has that power consumption is low, long service life, brightness are high, sturdy and durable.The shooting LED photoflash lamp generally using at present, generally directly to LED, to be powered by Switching Power Supply, be limited to the power output capacity of power supply, the brightness being equal in the time of can only reaching normal bright output while making flash of light output, the schillerization that do not double, so its flash luminance is not high, needs the shooting occasion of instantaneous strong light to some, can not be suitable for the scope of application of this restriction LED lamp.
The utility model provides a kind of great power LED flash technic.When needs are during to vehicle snapshot, this photoflash lamp sends triggering signal and with large driven current density LED lamp pearl, for vehicle snapshot provides strong light filling.The utility model and camera compatibility are good, have light filling stable simultaneously, easy to use, energy savings, the features such as long service life.
Utility model content
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, provides a kind of life-span long, and brightness is high, the great power LED photoflash lamp good with video camera compatible result.
In order to solve above technical problem, the utility model relates to a kind of great power LED photoflash lamp, the LED lamp and the control device that comprise lamp housing and be arranged on lamp housing inside, LED lamp is connected by wire with control device, and control device comprises master controller and the signal sync detection circuit being connected with master controller.
Signal sync detection circuit comprises binding post J3, optical coupler U1, diode D2, diode D3, diode D4, triode V1, resistance R 6 and resistance R 7.
The port 3 of binding post J3 connects the input of optical coupler U1, and the output of optical coupler U1 is connected with master controller, and meanwhile, port 3 is connected with the collector electrode of triode V1; After the port 2 of binding post J3, diode D2 and resistance R 6 series connection, by diode D3, be connected with the base stage of triode V1, meanwhile, after port 2, diode D2 and resistance R 6 series connection, by resistance R 7, be connected with the emitter of triode V1 and pass through diode D4 ground connection; The port one of binding post J3 is connected with the emitter of triode V1 and passes through diode D4 ground connection.
The technical scheme that the utility model further limits is: also comprise Switching Power Supply, LED constant-current driven module and accumulator, after accumulator paralleling switch power supply, be connected with LED constant-current driven module, LED constant-current driven module is connected with master controller by PWM light adjusting circuit.
Further, the energy-storage travelling wave tube in accumulator is the special-purpose electric capacity of large capacity photoflash lamp.
Further, Switching Power Supply is 24V-24V power supply, and the first DC power supply terminal of Switching Power Supply is converted into 5V DC power supply after the conversion of DC-DC converter, filtering.
Further, also comprise the flashlight detection circuit being connected with master controller, flashlight detection circuit is welded on aluminium base, and be prepended in lamp housing cloche, transducer used is photodiode, flashlight detection circuit comprises luminance sensor D1, precision resistance R8 and resistance R 7, and transducer D1 and precision resistance R8 form bleeder circuit, after bleeder circuit contact resistance R7, are connected with the master controller after lamp housing.
Further, also comprise flash of light counting output module, described flash of light counting output module communicates to connect respectively user's handheld terminal and master controller.Further, the equal TVS transient voltage suppressor diode in parallel of high-powered LED lamp and series connection PTC resettable fuse.
The beneficial effects of the utility model are: the utility model utilizes the energy storage characteristic of electric capacity in accumulator to solve the problem that the brightness of LED lamp is limited to power output, realize LED lamp multiplication flash of light, effectively improve the brightness of photoflash lamp, simultaneously, the utility model utilizes signal sync detection circuit to make the compatibility of photoflash lamp and external camera stronger, this LED photoflash lamp is skillfully constructed, design is simplified rationally, the feature such as have that light filling is stable, power consumption is low, long service life, brightness are high, sturdy and durable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is TT&C system theory diagram of the present utility model.
Fig. 3 is flash of light counting output circuit figure of the present utility model
Fig. 4 is signal sync detection circuit figure of the present utility model.
Fig. 5 is LED constant current driving of the present utility model and protection module circuit diagram.
Fig. 6 is flashlight detection circuit diagram of the present utility model.
Fig. 7 is accumulator figure of the present utility model.
Fig. 8 is the utility model DC-DC power circuit diagram.
Embodiment
The present embodiment provide a kind of energy-saving LED light compensating lamp, structural representation as shown in Figure 1, comprises lamp housing 1, and the LED aluminium base 2 that is located at lamp housing 1 end, the rear portion of lamp housing 1 is provided with Switching Power Supply 7 and AC signal stroboscopic isochronous controller 3; The face bonding of LED aluminium base 2 is connected to some groups of large-power LED light beads and constant-current driven module 4, photodiode 5, equal TVS transient voltage suppressor diode in parallel and series connection PTC resettable fuse on every group of LED lamp pearl 4.
TT&C system theory diagram of the present utility model as shown in Figure 2, Switching Power Supply output is divided into the first DC power supply terminal and the second DC power supply terminal, the first DC power supply terminal is connected with master controller after DC-DC conversion, the second DC power supply terminal is connected with LED constant-current drive circuit module after by accumulator, the signal output part of master controller is connected with large-power LED light bead by LED constant-current driven module, and master controller comprises signal sync detection circuit, microprocessor, flashlight detection circuit, flash of light counting output circuit and pwm signal light adjusting circuit; The input of signal sync detection circuit, output connect respectively synchronous candid camera and microprocessor, flash of light counting output circuit communicates to connect respectively user's hand-held terminal device and microprocessor, the output of flashlight detection circuit connects the input of microprocessor, and the input of flashlight detection circuit connects photodiode; The control output end of microprocessor connects LED constant-current driven module by pwm signal light adjusting circuit.
As shown in Figure 3, flash of light counting output circuit is for counting the number of times of output flash of light and capacitor charge and discharge for flash of light of the present utility model counting output circuit, and can arrange, read the parameters such as the flash time of light fixture and brightness, can also control photoflash lamp synchronization flash.
Signal sync detection circuit of the present utility model as shown in Figure 4, comprises binding post J3, optical coupler U1, diode D2, diode D3, diode D4, triode V1, resistance R 6 and resistance R 7.
The port 3 of binding post J3 connects the input of optical coupler U1, and the output of optical coupler U1 is connected with master controller, and meanwhile, port 3 is connected with the collector electrode of triode V1; After the port 2 of binding post J3, diode D2 and resistance R 6 series connection, by diode D3, be connected with the base stage of triode V1, meanwhile, after port 2, diode D2 and resistance R 6 series connection, by resistance R 7, be connected with the emitter of triode V1 and pass through diode D4 ground connection; The port one of binding post J3 is connected with the emitter of triode V1 and diode D4 ground connection.
When circuits for triggering short circuit triggers, the port 3 port one short circuits of binding post J3, optical coupler U1 input is low level, optical coupler U1 output transmits pulse signal to microprocessor, and when circuits for triggering are the high triggering of TTL, triode V1 base stage is high level, current collection is high level very, emitter is by diode D4 ground connection, and optical coupler U3 input is low level, and optical coupler U3 output pulse signal is to microprocessor.
The output of optical coupler U3 is connected with the programmable count array PCA of microprocessor, makes the utility model except realizing short circuit triggering, the high triggering of TTL and edge-triggered, can also realize signal and follow, and meets the needs of the video camera of controlling flash time length.
As shown in Figure 5, the input of controlled constant-current driven chip U2 pin EN is from the pwm signal output of frequent flashing control for the circuit of LED lamp constant-current driven module, and when EN is high level, the OUT pin of U2 is output as low, and LED lamp pearl string is lit, and its driving current value is determined by R3.The EN of U2 is connected to reference to ground by R2, automatically shuts down output while guaranteeing without pwm signal.TVSn1 is the TVS transient voltage suppressor diode that is connected in parallel on one group of LED, can realize LED overvoltage protection.PTCn1 is that the PTC resettable fuse that is connected on one group of LED carries out current-limiting protection, prevents that LED lamp from powering on breakdown.The utility model comprises the above-mentioned LED constant-current driven module of many groups.
As shown in Figure 6, it is luminance sensor that the utility model adopts photodiode D1 to flashlight detection circuit, and luminance sensor D1 and precision resistance R8 form bleeder circuit, and its voltage is wired to the master controller after lamp housing by resistance R 7.Master controller, through AD conversion, detects current whether flash of light.Photodiode can be prepended to lamp housing, and without as existing photoflash lamp, at lamp body rear portion, light-sensitive element is placed in punching.
Accumulator as shown in Figure 7, Switching Power Supply is connected with accumulator Vin end, accumulator vdd terminal is connected with LED crossing current driver module, electric current is realized one-way flow by diode D5, conventional LED photoflash lamp, due to the size restrictions of lamp housing, makes, in lamp housing, the Switching Power Supply that size is little, power output is low to be set, and the brightness of LED photoflash lamp is low in use, the utility model utilizes the energy storage capacity of electric capacity to realize multiplication flash of light, the brightness that improves LED lamp.
As shown in Figure 8, Switching Power Supply is 24V-24V power supply to DC-DC power circuit, and the first DC power supply terminal of Switching Power Supply is converted into 5V DC power supply after the conversion of DC-DC converter, filtering.
The utility model utilizes in accumulator the energy storage characteristic of electric capacity to solve the brightness of LED lamp and is limited to the problem that power is low, realize LED lamp multiplication flash of light, effectively improve the brightness of photoflash lamp, simultaneously, the utility model utilizes signal sync detection circuit to make the compatibility of photoflash lamp and external camera higher, this LED photoflash lamp is skillfully constructed, and design is simplified rationally, the feature such as have that light filling is stable, power consumption is low, long service life, brightness are high, sturdy and durable.
In addition to the implementation, the utility model can also have other execution modes, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (7)
1. a great power LED photoflash lamp, the LED lamp and the control device that comprise lamp housing and be arranged on lamp housing inside, described LED lamp is connected by wire with described control device, it is characterized in that: described control device comprises master controller and the signal sync detection circuit being connected with described master controller;
Described signal sync detection circuit comprises binding post J3, optical coupler U1, diode D2, diode D3, diode D4, triode V1, resistance R 6 and resistance R 7,
The port 3 of described binding post J3 connects the input of described optical coupler U1, and the output of described optical coupler U1 is connected with described master controller, and meanwhile, port 3 is connected with the collector electrode of described triode V1; After the port 2 of described binding post J3, described diode D2 and described resistance R 6 series connection, by described diode D3, be connected with the base stage of described triode V1, meanwhile, after described port 2, described diode D2 and resistance R 6 series connection, by described resistance R 7, be connected with the emitter of described triode V1 and pass through diode D4 ground connection; The port one of described binding post J3 is connected with the emitter of described triode V1 and passes through diode D4 ground connection.
2. a kind of great power LED photoflash lamp according to claim 1, it is characterized in that: also comprise Switching Power Supply, LED constant-current driven module and accumulator, after described accumulator described Switching Power Supply in parallel, be connected with described LED constant-current driven module, described LED constant-current driven module is connected with described master controller by PWM light adjusting circuit.
3. a kind of great power LED photoflash lamp according to claim 2, is characterized in that: the energy-storage travelling wave tube in described accumulator is the special-purpose electric capacity of large capacity photoflash lamp.
4. a kind of great power LED photoflash lamp according to claim 2, is characterized in that: described Switching Power Supply is 24V-24V power supply, and the first DC power supply terminal of described Switching Power Supply is converted into 5V DC power supply after the conversion of DC-DC converter, filtering.
5. a kind of great power LED photoflash lamp according to claim 1, it is characterized in that: also comprise the flashlight detection circuit being connected with described master controller, described flashlight detection circuit is welded on aluminium base, and be prepended in lamp housing cloche, transducer used is photodiode, described flashlight detection circuit comprises transducer D1, precision resistance R8 and resistance R 7, described transducer D1 and described precision resistance R8 form bleeder circuit, and described bleeder circuit is connected with the master controller after lamp housing after connecting described resistance R 7.
6. a kind of great power LED photoflash lamp according to claim 1, is characterized in that: also comprising flash of light counting output module, described flash of light counting output module adopts RS485 communication mode to be connected with outside hand-held terminal device.
7. a kind of great power LED photoflash lamp according to claim 1, is characterized in that: the equal TVS transient voltage suppressor diode in parallel of described high-powered LED lamp and series connection PTC resettable fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570673.1U CN203457382U (en) | 2013-09-13 | 2013-09-13 | High-power LED flash lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570673.1U CN203457382U (en) | 2013-09-13 | 2013-09-13 | High-power LED flash lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203457382U true CN203457382U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320570673.1U Expired - Fee Related CN203457382U (en) | 2013-09-13 | 2013-09-13 | High-power LED flash lamp |
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| Country | Link |
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| CN (1) | CN203457382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103491679A (en) * | 2013-09-13 | 2014-01-01 | 南京工程学院 | High-power LED flashlight |
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2013
- 2013-09-13 CN CN201320570673.1U patent/CN203457382U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103491679A (en) * | 2013-09-13 | 2014-01-01 | 南京工程学院 | High-power LED flashlight |
| CN103491679B (en) * | 2013-09-13 | 2015-10-21 | 南京工程学院 | A kind of high-power LED flashlight |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20140913 |
|
| EXPY | Termination of patent right or utility model |