CN204948447U - Great power LED drive plate - Google Patents
Great power LED drive plate Download PDFInfo
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- CN204948447U CN204948447U CN201520699647.8U CN201520699647U CN204948447U CN 204948447 U CN204948447 U CN 204948447U CN 201520699647 U CN201520699647 U CN 201520699647U CN 204948447 U CN204948447 U CN 204948447U
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Abstract
The utility model discloses a kind of great power LED drive plate, comprise LED driver, high power voltage stabilized power source and power ground end, the output of LED driver is connected with the first metal-oxide-semiconductor, second metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor, the output of high power voltage stabilized power source is connected with the input of the first metal-oxide-semiconductor, the output of high power voltage stabilized power source is also connected with the input of LED driver by a voltage transformation module, the output of the first metal-oxide-semiconductor is connected with power inductance, the output of power inductance is connected with LED, the output of power inductance is also connected with the input of the 3rd metal-oxide-semiconductor, the output of the first metal-oxide-semiconductor is connected with the input of the second metal-oxide-semiconductor, the output of LED is connected with sampling resistor, temperature control modules, under-voltage protective module is all connected with the input of LED driver with the output of overload protection module.Its advantage is: working stability and long service life.
Description
Technical field
The utility model relates to a kind of drive plate, is specifically a kind of great power LED drive plate.
Background technology
LED light source and conventional light source ratio have low in energy consumption, the feature such as brightness is high, the life-span is long, environmental protection, stable optical performance, extensive use in productive life.
The principle of luminosity of LED is the electronics of its inside and hole compound and luminous under the effect of forward voltage, one will be reached when the electron number that external circuit supplements is equal with the number of electrons of compound to balance, the current value now flowing through LED is constant, and the spectral characteristic of LED is single, and illumination is stablized.But when the voltage generation minor variations at LED two ends, the carrier concentration generation great change participating in compound can be caused, thus cause the current jump flowing through LED, when reaching new balance can with it forward horizontal stand time electric current difference larger, thus causing the brightness irregularities of LED during this period of time, spectral characteristic is unstable.The PWM of LED drives and drive of constant voltage source and constant-current source can be divided into again to drive.So-called constant pressure source is exactly that voltage remains unchanged, and electric current is distributed according to need; But voltage is constant and do not mean that voltage is exactly fixed value, its can change in a less scope, so with the electric current generation saltus step flowing through LED likely can be made during drive of constant voltage source LED, the optical characteristics of LED can be made to change, likely burn lamp what is more; But constant pressure source structure is simple, and cost of manufacture is lower, is applicable to optical characteristics is required it is not very strict non-limit occasion, needs to be improved further.
Utility model content
In view of the defect of above-mentioned prior art, the purpose of this utility model is: provide a kind of working stability great power LED drive plate.
Technical solution of the present utility model is: great power LED drive plate, comprise LED driver, it also comprises high power voltage stabilized power source and power ground end, the output of described LED driver is connected with the first metal-oxide-semiconductor, second metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor, the output of described high power voltage stabilized power source is connected with the input of the first metal-oxide-semiconductor, the output of described high power voltage stabilized power source is also connected with the input of LED driver by a voltage transformation module, the output of described first metal-oxide-semiconductor is connected with power inductance, the output of described power inductance is connected with LED, the output of described power inductance is also connected with the input of the 3rd metal-oxide-semiconductor, the output of described first metal-oxide-semiconductor is connected with the input of the second metal-oxide-semiconductor, described second metal-oxide-semiconductor is all connected with the input of power ground end with the output of the 3rd metal-oxide-semiconductor, the output of described LED is connected with sampling resistor, the output of described sampling resistor is connected with the input of power ground end, it also comprises temperature control modules, under-voltage protective module and overload protection module, described temperature control modules, under-voltage protective module are all connected with the input of LED driver with the output of overload protection module, and the output of described temperature control modules is also connected with the input of LED.
Further, the output of described high power voltage stabilized power source is connected with the input of voltage transformation module, and the output of described voltage transformation module is connected with the input of LED driver.
Further, the output of described sampling resistor is also connected with the input of under-voltage protective module.
Further, the output of described sampling resistor is also connected with the input of overload protection module.
Apply great power LED drive plate provided by the utility model, its beneficial effect is: arrange by high power voltage stabilized power source and voltage transformation module the input voltage controlling LED driver, and then stabilize the voltage at LED two ends, and temperature control modules is arranged so that this great power LED drive plate has high temperature protection function, the too high meeting of temperature makes LED damage, so temperature control modules can control great power LED drive plate caloric value, protect LED, the setting of under-voltage protective module and overload protection module then further increases the useful life of whole great power LED drive plate.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Shown in figure: 1-LED driver, 2-high power voltage stabilized power source, 3-power ground end; 4-first metal-oxide-semiconductor; 5-second metal-oxide-semiconductor, 6-the 3rd metal-oxide-semiconductor, 7-voltage transformation module; 8-power inductance; 9-LED lamp, 10-sampling resistor, 11-temperature control modules; 12-under-voltage protective module, 13-overload protection module.
Embodiment
For more intuitively, intactly understanding the technical solution of the utility model, existing just to carry out nonrestrictive feature description in conjunction with the utility model accompanying drawing as follows:
As shown in Figure 1, great power LED drive plate, comprise LED driver 1, it also comprises high power voltage stabilized power source 2 and power ground end 3, the output of LED driver 1 is connected with the first metal-oxide-semiconductor 4, second metal-oxide-semiconductor 5 and the 3rd metal-oxide-semiconductor 6, the output of high power voltage stabilized power source 2 is connected with the input of the first metal-oxide-semiconductor 4, the output of high power voltage stabilized power source 2 is also connected with the input of LED driver 1 by a voltage transformation module 7, the output of the first metal-oxide-semiconductor 4 is connected with power inductance 8, the output of power inductance 8 is connected with LED 9, the output of power inductance 8 is also connected with the input of the 3rd metal-oxide-semiconductor 6, the output of the first metal-oxide-semiconductor 4 is connected with the input of the second metal-oxide-semiconductor 5, second metal-oxide-semiconductor 5 is all connected with the input of power ground end 3 with the output of the 3rd metal-oxide-semiconductor 6, the output of LED 9 is connected with sampling resistor 10, the output of sampling resistor 10 is connected with the input of power ground end 3, it also comprises temperature control modules 11, under-voltage protective module 12 and overload protection module 13, temperature control modules 11, under-voltage protective module 12 are all connected with the input of LED driver 1 with the output of overload protection module 13, and the output of temperature control modules 11 is also connected with the input of LED 9.
The output of high power voltage stabilized power source 2 is connected with the input of voltage transformation module 7, and the output of voltage transformation module 7 is connected with the input of LED driver 1, is played the effect of voltage stabilizing by voltage transformation module 7 further.
The output of sampling resistor 10 is also connected with the input of under-voltage protective module 12.The essence of LED 9 is light-emitting diodes, has a forward conduction voltage, when voltage is luminous higher than LED conducting during this value, lower than LED cut-off during this value.When real work, if voltage is hovered just near conducting voltage, so just there will be LED 9 and ceaselessly hover between conducting and cut-off, have a strong impact on the life-span of lamp, be absolutely necessary so add under-voltage protection.
The output of sampling resistor 10 is also connected with the input of overload protection module 13, when drive plate is short-circuited or electric current is excessive, can play the effect of protection protection LED 9 and drive plate.
Great power LED drive plate provided by the utility model, by high power voltage stabilized power source 2 and voltage transformation module 7, the input voltage controlling LED driver 1 is set, and then stabilize the voltage at LED 9 two ends, and temperature control modules 11 is arranged so that this great power LED drive plate has high temperature protection function, the too high meeting of temperature makes LED 9 damage, so temperature control modules 11 can control great power LED drive plate caloric value, protect LED 9, the setting of under-voltage protective module 12 and overload protection module 13 then further increases the useful life of whole great power LED drive plate.During concrete use, the peak current of great power LED drive plate provided by the utility model is 30A, and light modulating frequency is 32khz, and limiting current is no more than 36A.
Certainly; these are only preferred embodiment of the present utility model; non-ly therefore namely limit to the scope of the claims of the present utility model, all utilization the utility model specifications and graphic content institute be simple and easy modification and equivalent structure change for it, all should in like manner be contained within scope of patent protection of the present utility model.
Claims (4)
1. great power LED drive plate, comprise LED driver, it is characterized in that: it also comprises high power voltage stabilized power source and power ground end, the output of described LED driver is connected with the first metal-oxide-semiconductor, second metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor, the output of described high power voltage stabilized power source is connected with the input of the first metal-oxide-semiconductor, the output of described high power voltage stabilized power source is also connected with the input of LED driver by a voltage transformation module, the output of described first metal-oxide-semiconductor is connected with power inductance, the output of described power inductance is connected with LED, the output of described power inductance is also connected with the input of the 3rd metal-oxide-semiconductor, the output of described first metal-oxide-semiconductor is connected with the input of the second metal-oxide-semiconductor, described second metal-oxide-semiconductor is all connected with the input of power ground end with the output of the 3rd metal-oxide-semiconductor, the output of described LED is connected with sampling resistor, the output of described sampling resistor is connected with the input of power ground end, it also comprises temperature control modules, under-voltage protective module and overload protection module, described temperature control modules, under-voltage protective module are all connected with the input of LED driver with the output of overload protection module, and the output of described temperature control modules is also connected with the input of LED.
2. great power LED drive plate according to claim 1, it is characterized in that: the output of described high power voltage stabilized power source is connected with the input of voltage transformation module, the output of described voltage transformation module is connected with the input of LED driver.
3. great power LED drive plate according to claim 1, is characterized in that: the output of described sampling resistor is also connected with the input of under-voltage protective module.
4. great power LED drive plate according to claim 1, is characterized in that: the output of described sampling resistor is also connected with the input of overload protection module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520699647.8U CN204948447U (en) | 2015-09-08 | 2015-09-08 | Great power LED drive plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520699647.8U CN204948447U (en) | 2015-09-08 | 2015-09-08 | Great power LED drive plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204948447U true CN204948447U (en) | 2016-01-06 |
Family
ID=55015831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520699647.8U Expired - Fee Related CN204948447U (en) | 2015-09-08 | 2015-09-08 | Great power LED drive plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204948447U (en) |
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2015
- 2015-09-08 CN CN201520699647.8U patent/CN204948447U/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 | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Ningbo Sunrun Electronic Information Technology Development Co., Ltd. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Ningbo Sunrun Elec. & Info. St & D Co.,Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20190908 |