CN203883459U - LED power source lightning protection circuit - Google Patents
LED power source lightning protection circuit Download PDFInfo
- Publication number
- CN203883459U CN203883459U CN201420139456.1U CN201420139456U CN203883459U CN 203883459 U CN203883459 U CN 203883459U CN 201420139456 U CN201420139456 U CN 201420139456U CN 203883459 U CN203883459 U CN 203883459U
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- CN
- China
- Prior art keywords
- lightning protection
- led
- street lamp
- power source
- unit
- Prior art date
- 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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Abstract
The utility model belongs to the switching power source technical field and relates to an LED power source lightning protection circuit. The LED power source lightning protection circuit comprises a lightning protection unit, an LED driving unit and an LED street lamp; the main body of the lightning protection unit is a thermal protection surge absorber; the lightning protection unit is integrated with an overvoltage protection module; the power source input end of the lightning protection unit is connected with a thermistor R2 and a thermal protection winding fuse resistor R1; the output end of the lightning protection unit is connected with the LED driving unit; and the LED driving unit is connected with the LED street lamp. With the LED power source lightning protection circuit adopted, problems in LED street lamp lightning protection can be solved safely and reliably.
Description
Technical field
The utility model relates to switch power technology field, relates in particular to a kind of LED power lightning protection circuit.
Background technology
LED street lamp is arranged on open air, and thunderbolt is a very large threat, gently causes street lamp to damage, heavy cause fire or casualties, produces huge loss.The lightning protection of LED street lamp, with common street lamp difference, is mainly that the response speed of LED is faster than common street lamp, bears the common street lamp of overvoltage energy force rate little.When LED street lamp thunder and lightning risk is mainly lightening activity, on the power circuit of LED due to electrostatic induction or electromagnetic induction and produce on the line a hump voltage or hump electric current, thereby impact or destruction LED street lamp device, but existing common street lamp lightning protection measures cannot well solve LED street lamp Lightning Protection.
Summary of the invention
The purpose of this utility model is to provide a kind of LED power lightning protection circuit for the deficiencies in the prior art, can solve safely and reliably LED street lamp Lightning Protection.
For achieving the above object; the utility model adopts following technical scheme: a kind of LED power lightning protection circuit; it comprises lightning protection unit, LED driver element and LED street lamp; the main body of described lightning protection unit is heat protection surge absorber; described lightning protection unit is integrated with over-voltage protection module; the power input of described lightning protection unit is connected with thermistor R2 and heat protection coiling fusing resistor R1, and the output of described lightning protection unit connects LED driver element, and LED drive unit drives connects LED street lamp.
Described lightning protection unit is also integrated with Thermal Cutoffs.
The utility model beneficial effect is: a kind of LED power lightning protection circuit described in the utility model, can solve LED street lamp Lightning Protection safely and reliably.
Brief description of the drawings
Accompanying drawing 1 is schematic block circuit diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described: as shown in Figure 1; a kind of LED power lightning protection circuit described in the utility model; a kind of LED power lightning protection circuit; it comprises lightning protection unit, LED driver element and LED street lamp; the main body of described lightning protection unit is heat protection surge absorber; described lightning protection unit is integrated with over-voltage protection module; the power input of described lightning protection unit is connected with thermistor R2 and heat protection coiling fusing resistor R1; the output of described lightning protection unit connects LED driver element, and LED drive unit drives connects LED street lamp.Described lightning protection unit is also integrated with Thermal Cutoffs.This LED power lightning protection circuit is through overtemperature protection coiling fusing resistor R1, thermistor R2, Thermal Cutoffs and over-voltage protection module lamp multiple protective; adopt stable large through-flow and safe isolation design; can in earth-free situation, tolerate 10KA(8/20 μ S) impact of lightning current; guarantee LED street lamp work safety, solve safely and reliably LED street lamp Lightning Protection.
The above is only preferred embodiments of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (2)
1. a LED power lightning protection circuit; it is characterized in that: it comprises lightning protection unit, LED driver element and LED street lamp; the main body of described lightning protection unit is heat protection surge absorber; described lightning protection unit is integrated with over-voltage protection module; the power input of described lightning protection unit is connected with thermistor R2 and heat protection coiling fusing resistor R1; the output of described lightning protection unit connects LED driver element, and LED drive unit drives connects LED street lamp.
2. a kind of LED power lightning protection circuit according to claim 1, is characterized in that: described lightning protection unit is also integrated with Thermal Cutoffs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420139456.1U CN203883459U (en) | 2014-03-26 | 2014-03-26 | LED power source lightning protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420139456.1U CN203883459U (en) | 2014-03-26 | 2014-03-26 | LED power source lightning protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203883459U true CN203883459U (en) | 2014-10-15 |
Family
ID=51683927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420139456.1U Expired - Fee Related CN203883459U (en) | 2014-03-26 | 2014-03-26 | LED power source lightning protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203883459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104981074A (en) * | 2015-07-13 | 2015-10-14 | 芜湖市神龙新能源科技有限公司 | Lightning protection method for LED street lamp |
-
2014
- 2014-03-26 CN CN201420139456.1U patent/CN203883459U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104981074A (en) * | 2015-07-13 | 2015-10-14 | 芜湖市神龙新能源科技有限公司 | Lightning protection method for LED street lamp |
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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: 20141015 Termination date: 20150326 |
|
| EXPY | Termination of patent right or utility model |