CN204408668U - A kind of LED power - Google Patents
A kind of LED power Download PDFInfo
- Publication number
- CN204408668U CN204408668U CN201420797030.5U CN201420797030U CN204408668U CN 204408668 U CN204408668 U CN 204408668U CN 201420797030 U CN201420797030 U CN 201420797030U CN 204408668 U CN204408668 U CN 204408668U
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- circuit
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- voltage stabilizing
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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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
LED power of the present utility model, comprises surge protection circuit, EMI filter circuit, rectification circuit, protection circuit, constant-current control circuit, LED light source circuit, ultraviolet light circuit, the first voltage stabilizing circuit, fan drive circuit and drive circuit of loudspeaker.Loudspeaker, illumination and kill mosquito share a road power supply, only once need connect up, just can realize the voice of public place, throw light on and mosquito killing function, and former three products integrate in a product, save the protection Design cost of space and housing, power supply.LED have employed the luminous and extinguishing that photo resistance controls LED, and make the control of LED become intelligence, LED light source circuit is also equipped with switch, Non-follow control for subsequent use simultaneously, improves the reliability of light fixture.Moreover, controlled by photo resistance, light purple LED according to arriving night and open fan, starting mosquito killing function, save electric energy.
Description
[technical field]
The utility model relates to lighting technical field, is specifically related to a kind of LED power with Multifunctional LED lamp.
[background technology]
Park, the broadcast loudspeaker of the public places such as square and lighting are in separate state all the time, not only take up room, and do not use mains supply of going the same way during construction, therefore need independent wiring; Add and be operated in severe outdoor environment, all need to carry out independent protection Design, cause the municipal cost of outdoor public voice system and illuminator to occupy high; Particularly this year southern " dengue fever " epidemic situation is violent, and each public place has all dropped into a large amount of manpower cleaning ambients, throws in mosquitocide killing mosquito; Not only cost is high, and the medicine of killing mosquito exists potential security risk to pet and children.
[summary of the invention]
In view of this, the utility model provides a kind of LED power of improvement.
The utility model adopts following technical scheme, and structure LED power, comprises surge protection circuit, EMI filter circuit, rectification circuit, protection circuit, constant-current control circuit, LED light source circuit, ultraviolet light circuit, the first voltage stabilizing circuit, fan drive circuit and drive circuit of loudspeaker; The input termination 220V civil power of surge protection circuit, for suppressing the surge voltage in power supply, plays the carrying out surge protection effect to late-class circuit; The input of EMI filter circuit connects the output of surge circuit, for the high fdrequency component in filter out power; The input of rectification circuit connects the output of EMI filter circuit, for convert alternating current is become direct current; The input of protection circuit connects the output of rectification circuit, when there is overvoltage and overcurrent in circuit, and protection late-class circuit; The input of constant-current control circuit takes over control the output of protection circuit, for exporting high-precision constant current; The input of LED light source circuit connects the output of constant-current control circuit, ultraviolet light circuit and LED light source circuit connected in series; LED light source circuit and ultraviolet light circuit, for responding to light and lighting according to light or extinguish the LED doing illuminating effect and the purple LED luring mosquito; The input of the first voltage stabilizing circuit connects the output of constant-current control circuit, and its output connects the input of fan drive circuit and horn circuit, for the output voltage stabilization of constant-current control circuit is become 12V direct voltage output; Fan drive circuit, produces powerful attraction air-flow by the anti-escape cover of the mosquito inspiration LED that attracted by purple LED lamp bead to come during work; The input of horn circuit connects the output of the first voltage stabilizing circuit, for output audio signal.
Preferably, described horn circuit comprises bleeder circuit, the second voltage stabilizing circuit and drive circuit of loudspeaker; The output of bleeder circuit connects the input of the second voltage stabilizing circuit, and the output of the second voltage stabilizing circuit connects the input of drive circuit of loudspeaker; Bleeder circuit, for exporting to the second voltage stabilizing circuit by after the voltage of the first voltage stabilizing circuit output; Second voltage stabilizing circuit, the voltage stabilization for being exported by bleeder circuit becomes 5V direct voltage output to drive circuit of loudspeaker; Drive circuit of loudspeaker, for driving loudspeaker output audio signal.
Advantageous Effects of the present utility model is:
1. loudspeaker, illumination and kill mosquito share a road power supply, only once need connect up, just can realize the voice of public place, throw light on and mosquito killing function, and former three products integrate in a product, save the protection Design cost of space and housing, power supply.
2.LED lamp have employed the luminous and extinguishing that photo resistance controls LED, and make the control of LED become intelligence, LED light source circuit is also equipped with switch, Non-follow control for subsequent use simultaneously, improves the reliability of light fixture.Moreover, controlled by photo resistance, light purple LED according to arriving night and open fan, starting mosquito killing function, save electric energy.
The power acquisition multistage protection circuit of 3.LED lamp; piezo-resistance and gas discharge tube is adopted in surge protection circuit; effectively avoid the lightning surge electric current under adverse circumstances; static discharge under dry weather; various impact in electrical network and interference; only reach the high-quality object of product with simple components and parts, extend the life-span of product.
[accompanying drawing explanation]
LED power circuit composition frame chart in Fig. 1 embodiment one;
LED power power-switching circuit schematic diagram in Fig. 2 a embodiment one;
LED power LED light source circuit in Fig. 2 b embodiment one and ultraviolet light circuit theory diagrams;
LED power first voltage stabilizing circuit schematic diagram in Fig. 2 c embodiment one;
LED power fan drive circuit schematic diagram in Fig. 2 d embodiment one;
LED power horn circuit schematic diagram in Fig. 2 e embodiment one.
[embodiment]
In order to make the technical scheme of this patent and technique effect clearly, be described in detail below in conjunction with the embodiment of drawings and Examples to this patent.
Embodiment one:
As Fig. 1, the LED power in the present embodiment, comprises surge protection circuit, EMI filter circuit, rectification circuit, protection circuit, constant-current control circuit, LED light source circuit, ultraviolet light circuit, the first voltage stabilizing circuit, fan drive circuit and horn circuit.
As Fig. 2 a, the input termination 220V civil power of surge protection circuit, for suppressing the surge voltage in power supply, plays the carrying out surge protection effect to late-class circuit.One end of fuse F1 connects live wire, and piezo-resistance RV1 and piezo-resistance RV2 and the series arm parallel connection of RV3 are connected the other end of fuse F1 afterwards, and another terminal connecting zero line of RV1, gas discharge tube GDT is attempted by RV2, between the mid point of RV3 and ground.The surge voltage that RV1 suppresses differential mode to produce effectively, plays the protective effect to late-class circuit, and RV2, RV3 add gas discharge tube connected mode over the ground and released to by common mode surge energy greatly, prevent surge be incorporated into late-class circuit and cause damage.
As Fig. 2 a, the input of EMI filter circuit connects the output of surge circuit, for the high fdrequency component in filter out power, is made up of typical LC low-pass filter circuit.
As Fig. 2 a, the input of rectification circuit connects the output of EMI filter circuit, and for convert alternating current is become direct current, the full bridge rectifier be made up of 4 diodes forms.
As Fig. 2 a, the input of protection circuit connects the output of rectification circuit, when there is overvoltage and overcurrent in circuit, and protection late-class circuit.The rectification circuit output pin 2 resettable fuse PPTC that connects protects, and PPTC impedance when overcurrent produces can become rapidly large, thus effectively can block abnormal current, until failture evacuation PPTC just can continue to recover low resistive state, circuit is resumed work; TVS diode D1 is connected in parallel between the other end of PPTC and the output pin 4 of rectification circuit.Exchange after over commutation; chip in the DC circuit of rear class to overvoltage and overcurrent very responsive; Transient Suppression Diode D1 in parallel after rectification; when there being overvoltage to produce; D1 can clamp down on too high voltages in the scope of safety with the reaction speed action of picosecond, thus protects the chip in late-class circuit from the impact of overvoltage.
As Fig. 2 a, the input of constant-current control circuit takes over control the output of protection circuit, for exporting high-precision constant current.The isolated form constant current adopting chip DU8966 to form drives typical application circuit.Chip DU8966 can realize high-precision closed-loop current control, exports high-precision constant current.Simultaneously without the need to peripheral components such as light-coupled isolation, voltage reference chips, simplify circuit, shorten the volume of power supply.
As Fig. 2 b, the input of LED light source circuit connects the output of constant-current control circuit, LED light source circuit and ultraviolet light circuit connected in series, LED light source circuit and ultraviolet light circuit connected in series, for responding to light and lighting according to light or extinguish illuminating LED and the purple LED luring mosquito.Resistance R7, the series circuit that R8 is connected successively with photo resistance R9 is connected in parallel on power input, light-emitting diode is connected with the anode of controllable silicon VS after series aiding connection successively, the positive pole of light-emitting diode is just connecing power supply input, it is negative that silicon controlled negative electrode connects power supply input, silicon controlled controls one end that pole meets photo resistance R9, another termination power input of R9 is negative, between the anode that K switch is connected in parallel on controllable silicon VS and negative electrode, each LED reverse parallel connection TVS pipe, when a LED fault, unlikely impact whole string LED.Photo resistance is used for detecting the ambient light residing for LED, and when bright and clear, R9 is low resistance, dividing potential drop is smaller, VS gate pole is low level, and controllable silicon is in off state, the series circuit not conducting of LED, when light is more weak, R9 presents high resistance, and dividing potential drop is comparatively large, for controllable silicon VS provides higher forward trigger voltage, VS conducting, LED is luminous.K switch is hand control switch, as long as Closing Switch K, at no matter daytime and night, LED is all luminous.Wherein LED1 to LEDn is one group of general lighting LED lamp bead, and LEDn+1 to LEDm is one group of energy purple LED lamp bead, can send the ultraviolet light luring mosquito.
As Fig. 2 c, the input of the first voltage stabilizing circuit connects the output of constant-current control circuit, and its output connects the input of fan drive circuit and horn circuit, and the voltage transformation for being exported by DU8966 becomes stable 12V direct voltage.The typical application circuit of chip LPD3202 is adopted in the present embodiment.
As Fig. 2 d, fan drive circuit, produces powerful attraction air-flow by the anti-escape cover of the mosquito inspiration LED that attracted by purple LED lamp bead to come, the output of its input termination first voltage stabilizing circuit during work.Ambient light deficiency and weather dimmed time, purple LED lamp bead is lighted, lure and draw mosquito near LED, the R11 of photo resistance simultaneously presents high resistance, and dividing potential drop is larger, for controllable silicon VS2 provides higher forward trigger voltage, VS2 conducting, relay R L1 closes, fan turns, mosquito around LED is introduced in anti-escape cover, realize the object of deinsectization.Certainly, the occasion that mosquito is more by day, purple LED lamp bead and fan can not adopt Artificial Control to work by the control of environmental concerns, for example (,) adopt master switch to control LED lamp bead light the rotation with fan.
As Fig. 2 e, the input of horn circuit connects the output of voltage stabilizing circuit, and for output audio signal, horn circuit comprises bleeder circuit, the second voltage stabilizing circuit and drive circuit of loudspeaker.Bleeder circuit is made up of resistance R15 and R16, and the second voltage stabilizing circuit adopts regulator block 7805 to become 5V operating voltage to export the voltage stabilizing of resistance R16 dividing potential drop, and drive circuit of loudspeaker adopts the typical power amplifier of LM386, and 2 pin of LM386 connect signal input part.
The foregoing is only the preferred embodiment of this patent, be not limited to this patent, for a person skilled in the art, this patent can have various modifications and variations.Within all spirit at this patent and principle, any amendment done, equivalent replacement, improvement etc., within the protection range that all should be included in this patent.
Claims (2)
1. a LED power, comprises surge protection circuit, EMI filter circuit, rectification circuit, protection circuit, and constant-current control circuit is characterized in that, it also comprises: LED light source circuit, ultraviolet light circuit, the first voltage stabilizing circuit, fan drive circuit and drive circuit of loudspeaker;
The input termination 220V civil power of surge protection circuit, for suppressing the surge voltage in power supply, plays the carrying out surge protection effect to late-class circuit;
The input of EMI filter circuit connects the output of surge circuit, for the high fdrequency component in filter out power;
The input of rectification circuit connects the output of EMI filter circuit, for convert alternating current is become direct current;
The input of protection circuit connects the output of rectification circuit, when there is overvoltage and overcurrent in circuit, for the protection of late-class circuit;
The input of constant-current control circuit takes over control the output of protection circuit, for exporting constant current;
The input of LED light source circuit connects the output of constant-current control circuit, ultraviolet light circuit and LED light source circuit connected in series; LED light source circuit and ultraviolet light circuit, for responding to light and lighting according to light or extinguish the LED doing illuminating effect and the purple LED luring mosquito;
The input of the first voltage stabilizing circuit connects the output of constant-current control circuit, and its output connects the input of fan drive circuit and horn circuit, for the output voltage stabilization of constant-current control circuit is become 12V direct voltage output;
Fan drive circuit, produces powerful attraction air-flow by the anti-escape cover of the mosquito inspiration LED that attracted by purple LED to come during work;
The input of horn circuit connects the output of the first voltage stabilizing circuit, for output audio signal.
2. LED power as claimed in claim 1, is characterized in that: described horn circuit comprises bleeder circuit, the second voltage stabilizing circuit and drive circuit of loudspeaker; The output of bleeder circuit connects the input of the second voltage stabilizing circuit, and the output of the second voltage stabilizing circuit connects the input of drive circuit of loudspeaker;
Bleeder circuit, for exporting to the second voltage stabilizing circuit by after the voltage of the first voltage stabilizing circuit output;
Second voltage stabilizing circuit, the voltage stabilization for being exported by bleeder circuit becomes 5V direct voltage output to drive circuit of loudspeaker;
Drive circuit of loudspeaker, for driving loudspeaker output audio signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420797030.5U CN204408668U (en) | 2014-12-15 | 2014-12-15 | A kind of LED power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420797030.5U CN204408668U (en) | 2014-12-15 | 2014-12-15 | A kind of LED power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204408668U true CN204408668U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420797030.5U Expired - Fee Related CN204408668U (en) | 2014-12-15 | 2014-12-15 | A kind of LED power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204408668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443805A (en) * | 2018-03-19 | 2018-08-24 | 罗金山 | A kind of energy conservation and environmental protection lighting apparatus |
| CN109632638A (en) * | 2018-12-26 | 2019-04-16 | 厦门大学 | The device that plant cell FRAP is tested under a kind of light for UV-B |
-
2014
- 2014-12-15 CN CN201420797030.5U patent/CN204408668U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443805A (en) * | 2018-03-19 | 2018-08-24 | 罗金山 | A kind of energy conservation and environmental protection lighting apparatus |
| CN109632638A (en) * | 2018-12-26 | 2019-04-16 | 厦门大学 | The device that plant cell FRAP is tested under a kind of light for UV-B |
| CN109632638B (en) * | 2018-12-26 | 2020-07-17 | 厦门大学 | A device that is used for plant cell FRAP experiment under UV-B light |
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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: 20150617 Termination date: 20151215 |
|
| EXPY | Termination of patent right or utility model |