CN201947504U - Over-voltage protection device for light-emitting diode (LED) lamp - Google Patents
Over-voltage protection device for light-emitting diode (LED) lamp Download PDFInfo
- Publication number
- CN201947504U CN201947504U CN2010206830431U CN201020683043U CN201947504U CN 201947504 U CN201947504 U CN 201947504U CN 2010206830431 U CN2010206830431 U CN 2010206830431U CN 201020683043 U CN201020683043 U CN 201020683043U CN 201947504 U CN201947504 U CN 201947504U
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- circuit
- over
- led
- voltage
- protection device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
An over-voltage protection device for a light-emitting diode (LED) lamp consists of an LED bulb, a voltage-stabilizing module, a first circuit and a second circuit. The over-voltage protection device is characterized in that the second circuit is connected with the voltage-stabilizing module, and the output end of the voltage-stabilizing module is connected with the LED bulb through the first circuit. The over-voltage protection device effectively resolves the problem that over-voltage obstructs the service life of the LED lamp.
Description
Technical field
The utility model relates to a kind of car headlight device, is a kind of LED lamp over-pressure safety device concretely.
Background technology
Because of automobile under steam, inevitably to increase or reduce throttle, the voltage of generator also increases thereupon or reduces, if the variation of voltage surpasses 14V, the LED lamp is burnt.
Summary of the invention
The purpose of this utility model is to provide a kind of LED lamp over-pressure safety device, makes guaranteeing the function of former automotive lighting, also has advantages such as little power consumption, bulb be not fragile.
The utility model is realized with following technical scheme: this a kind of LED lamp over-pressure safety device mainly is made up of LED bulb, Voltage stabilizing module, first circuit, second circuit.It is characterized in that second circuit is connected with Voltage stabilizing module, the Voltage stabilizing module output is connected with the LED bulb by first circuit.At first second circuit is connected with the bulb power end of former car, opens switch, switch conduction, the electric energy of storage battery arrives Voltage stabilizing module through switch, after the Voltage stabilizing module voltage stabilizing, the voltage of 2.2V is transported to the LED bulb, and the LED bulb is lighted.
The beneficial effects of the utility model are to efficiently solve the influence of overtension to the LED lamp life-span.
Description of drawings
Accompanying drawing is the structural map of a kind of LED lamp of the utility model over-pressure safety device.
1. LED bulbs among the figure, 2. Voltage stabilizing module, 3. first circuit, 4. second circuit.
Embodiment
Fig. 1 is the structural map of a kind of LED lamp of the utility model over-pressure safety device, and its structure is made up of LED bulb 1, Voltage stabilizing module 2, first circuit 3, second circuit 4.In the accompanying drawings, second circuit 4 is connected with Voltage stabilizing module 2, and Voltage stabilizing module 2 outputs are connected with LED bulb 1 by first circuit 3.
Claims (1)
1. LED lamp over-pressure safety device, its structure is made up of LED bulb, Voltage stabilizing module, first circuit, second circuit, it is characterized in that second circuit is connected with Voltage stabilizing module, and the Voltage stabilizing module output is connected with the LED bulb by first circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206830431U CN201947504U (en) | 2010-12-28 | 2010-12-28 | Over-voltage protection device for light-emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206830431U CN201947504U (en) | 2010-12-28 | 2010-12-28 | Over-voltage protection device for light-emitting diode (LED) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201947504U true CN201947504U (en) | 2011-08-24 |
Family
ID=44474838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206830431U Expired - Fee Related CN201947504U (en) | 2010-12-28 | 2010-12-28 | Over-voltage protection device for light-emitting diode (LED) lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201947504U (en) |
-
2010
- 2010-12-28 CN CN2010206830431U patent/CN201947504U/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: 20110824 Termination date: 20111228 |