CN203313489U - High voltage drive circuit applied to LED modularization - Google Patents
High voltage drive circuit applied to LED modularization Download PDFInfo
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- CN203313489U CN203313489U CN2013203174025U CN201320317402U CN203313489U CN 203313489 U CN203313489 U CN 203313489U CN 2013203174025 U CN2013203174025 U CN 2013203174025U CN 201320317402 U CN201320317402 U CN 201320317402U CN 203313489 U CN203313489 U CN 203313489U
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Abstract
The utility model discloses a high voltage drive circuit applied to LED modularization. The high voltage drive circuit applied to LED modularization solves the problem that in the technology of the prior art, an LED lamp matching drive circuit is short in service life and insufficient in work stability. The high voltage drive circuit applied to LED modularization comprises a rectification circuit, a voltage stabilizing circuit and a linear constant current circuit, wherein external alternating current mains supply is connected with the high voltage drive circuit through the input end of the rectification circuit, the output end of the rectification circuit is connected with the input end of the voltage stabilizing circuit, the output end of the voltage stabilizing circuit is connected with the input end of the linear constant current circuit, and the output end of the linear constant current circuit is connected with an LED lamp group. The high voltage drive circuit applied to LED modularization is characterized in that the linear constant current circuit comprises a constant current element, the power source end of a constant current device is connected with the output end of the voltage stabilizing circuit, and the output ends of the constant current element are connected with the LED lamp group. The circuit is advantageous in that good compatibility with light-adjusting LED lamps and a light modulator is realized; peripheral components are small in number; large-scale production can be realized; the circuit can be applied to a fluorescent tube, a panel light and a cylinder light.
Description
Technical field
This utility model belongs to lighting field, particularly relates to the modular high-voltage driving circuit of a kind of LED of being applied to.
Background technology
At present, along with the development of LED technology, the LED products such as LED large-screen, LED light, LED flood light, LED street lamp are operated and are given birth to; Because LED has that power consumption is low, the characteristics such as long service life, high brightness, controllability be strong, LED is widely used in lighting field.In various illumination occasions, than straight tube fluorescent streetlamp energy-saving 50%, along with the development of LED technology, energy-conservation ratio also will continue to improve due to the LED fluorescent tube, and the fluorescent tube average life is short, contains the reasons such as mercury pollution, and straight tube fluorescent lamp is just progressively replaced by the LED fluorescent tube.The LED fluorescent tube also needs supporting drive circuit, and electrochemical capacitor also is widely used in drive circuit at present, and because the quality of electrochemical capacitor is uneven, poor reliability and life-span are short, and performance and the life-span temperature influence large.Although LED lamp pearl can accomplish 50000 to 100000 hours and even the longer life-span, the life-span of electrochemical capacitor far is shorter than lamp pearl or other components and parts, and it becomes the thinnest part that falls that affects the LED lamp life.Because portioned product drive circuit design element is various, reduced the reliability of the permanent work of circuit.The drive circuit of some lamp group, to the controllable silicon dimmer poor compatibility on market, has reduced the possibility of the permanent work of circuit.Therefore need to be improved, and design a kind of in the use occasion of fluorescent lamp, Panel light, Down lamp etc., drive circuit that can steady operation.
The utility model content
It is short that the utility model has overcome in the prior art the supporting drive circuit life-span of LED lamp, and the problem of job stability deficiency, provide the modular high-voltage driving circuit of a kind of LED of being applied to.
Technical solution of the present utility model is, provide a kind of have a following structure be applied to the modular high-voltage driving circuit of LED: contain rectification circuit, voltage stabilizing circuit and linear constant current circuit, the external communication civil power is from the input access of rectification circuit, the output of rectification circuit is connected with the input of voltage stabilizing circuit, the output of voltage stabilizing circuit is connected with the input of linear constant current circuit, the output of linear constant current circuit is connected with LED lamp group, it is characterized in that: in linear constant current circuit, contain constant flow element, the power end of galvanostat is connected with the output of voltage stabilizing circuit, the output of constant flow element is connected with LED lamp group.
Described rectification circuit is comprised of protective tube F1, rectifier bridge DB1 and resistance R 1, and successively the series connection and electric main be linked to be loop.
Described voltage stabilizing circuit is comprised of transient voltage twin zener dioder D1, rectifier bridge DB1 and voltage stabilizing didoe Dz1, the negative pole of voltage stabilizing didoe Dz1 connects the positive pole of transient voltage twin zener dioder D1, the negative pole of D1 connects anodal V+, the output 1 of constant flow element and the positive terminal of LED matrix group of rectifier bridge DB1 DC side, and the positive pole of voltage stabilizing didoe Dz1 connects negative pole V-and the ground of the DC side of rectifier bridge DB1.
Described linear constant current circuit is comprised of constant flow element, capacitor C 1, C2, C3 and resistance R 1, capacitor C 1, C2, C3 and resistance R 1 respectively have an end to be connected and ground connection each other, the other end of capacitor C 2 and R1 is connected the control end 3 of constant flow element, the other end of capacitor C 1 connects control end 2 and the control end 5 of constant flow element, the other end of capacitor C 3 connects the control end 4 of constant flow element, control end 1 ground connection of constant flow element.
1-28 LED head and the tail series connection successively in described LED lamp group, positive pole connects the output 1 of constant flow element, negative pole connects the output 2 of constant flow element, 29-42 LED head and the tail series connection successively, positive pole connects the output 2 of constant flow element, negative pole connects the output 3 of constant flow element, 43-56 LED head and the tail series connection successively, positive pole connects the output 3 of constant flow element, negative pole connects the output 4 of constant flow element, 57-70 LED head and the tail series connection successively, positive pole connects the output 4 of constant flow element, negative pole connects the output 5 of constant flow element, 71-84 LED head and the tail series connection successively, positive pole connects the output 5 of constant flow element, negative pole connects the output 6 of constant flow element, 85-96 LED head and the tail series connection successively, positive pole connects the output 6 of constant flow element, negative pole connects the output 7 of constant flow element.
Compared with prior art, the utility model is applied to the modular high-voltage driving circuit of LED and has the following advantages: this circuit has the compatibility of height to the conventional controllable silicon dimmer on market, thereby reduced the fastidious property that the Dimmable LED light fixture is exchanged the light device, and realized being applied to the LED modularity simultaneously in the development and Design of fluorescent tube, Panel light, Down lamp.This circuit peripheral component is few, LED and this circuit can be designed simultaneously on a circuit board, accomplishes scale production.
The accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the modular high-voltage driving circuit of a kind of LED of being applied to of the utility model.
Embodiment
In the accompanying drawing explanation, label 1 is rectification circuit, the 2nd, and voltage stabilizing circuit, the 3rd, linear constant current circuit.
Below in conjunction with the drawings and specific embodiments, the modular high-voltage driving circuit of a kind of LED of being applied to of the utility model is described further:
As shown in the figure, the utility model contains rectification circuit, voltage stabilizing circuit and linear constant current circuit, the external communication civil power is from the input access of rectification circuit, the output of rectification circuit is connected with the input of voltage stabilizing circuit, the output of voltage stabilizing circuit is connected with the input of linear constant current circuit, the output of linear constant current circuit is connected with LED lamp group, it is characterized in that: in linear constant current circuit, contain constant flow element, the power end of galvanostat is connected with the output of voltage stabilizing circuit, and the output of constant flow element is connected with LED lamp group.
Rectification circuit is comprised of protective tube F1, rectifier bridge DB1 and resistance R 1, and successively the series connection and electric main be linked to be loop.
Voltage stabilizing circuit is comprised of transient voltage twin zener dioder D1, rectifier bridge DB1 and voltage stabilizing didoe Dz1, the negative pole of voltage stabilizing didoe Dz1 connects the positive pole of transient voltage twin zener dioder D1, the negative pole of D1 connects anodal V+, the output 1 of constant flow element and the positive terminal of LED matrix group of rectifier bridge DB1 DC side, and the positive pole of voltage stabilizing didoe Dz1 connects negative pole V-and the ground of the DC side of rectifier bridge DB1.
Linear constant current circuit is comprised of constant flow element, capacitor C 1, C2, C3 and resistance R 1, capacitor C 1, C2, C3 and resistance R 1 respectively have an end to be connected and ground connection each other, the other end of capacitor C 2 and R1 is connected the control end 3 of constant flow element, the other end of capacitor C 1 connects control end 2 and the control end 5 of constant flow element, the other end of capacitor C 3 connects the control end 4 of constant flow element, control end 1 ground connection of constant flow element.
1-28 LED head and the tail series connection successively in LED lamp group, positive pole connects the output 1 of constant flow element, negative pole connects the output 2 of constant flow element, 29-42 LED head and the tail series connection successively, positive pole connects the output 2 of constant flow element, negative pole connects the output 3 of constant flow element, 43-56 LED head and the tail series connection successively, positive pole connects the output 3 of constant flow element, negative pole connects the output 4 of constant flow element, 57-70 LED head and the tail series connection successively, positive pole connects the output 4 of constant flow element, negative pole connects the output 5 of constant flow element, 71-84 LED head and the tail series connection successively, positive pole connects the output 5 of constant flow element, negative pole connects the output 6 of constant flow element, 85-96 LED head and the tail series connection successively, positive pole connects the output 6 of constant flow element, negative pole connects the output 7 of constant flow element.
LED lamp group need to first be connected after the LED of some, after the voltage difference between the coupling output, just can be accessed by circuit.
Claims (5)
1. one kind is applied to the modular high-voltage driving circuit of LED, contain rectification circuit, voltage stabilizing circuit and linear constant current circuit, the external communication civil power is from the input access of rectification circuit, the output of rectification circuit is connected with the input of voltage stabilizing circuit, the output of voltage stabilizing circuit is connected with the input of linear constant current circuit, the output of linear constant current circuit is connected with LED lamp group, it is characterized in that: in linear constant current circuit, contain constant flow element, the power end of galvanostat is connected with the output of voltage stabilizing circuit, and the output of constant flow element is connected with LED lamp group.
2. the modular high-voltage driving circuit of LED that is applied to according to claim 1, it is characterized in that: described rectification circuit is comprised of protective tube F1, rectifier bridge DB1 and resistance R 1, and series connection and electric main are linked to be loop successively.
3. the modular high-voltage driving circuit of LED that is applied to according to claim 1, it is characterized in that: described voltage stabilizing circuit is comprised of transient voltage twin zener dioder D1, rectifier bridge DB1 and voltage stabilizing didoe Dz1, the negative pole of voltage stabilizing didoe Dz1 connects the positive pole of transient voltage twin zener dioder D1, the negative pole of D1 connects anodal V+, the output 1 of constant flow element and the positive terminal of LED matrix group of rectifier bridge DB1 DC side, and the positive pole of voltage stabilizing didoe Dz1 connects negative pole V-and the ground of the DC side of rectifier bridge DB1.
4. the modular high-voltage driving circuit of LED that is applied to according to claim 1, it is characterized in that: described linear constant current circuit is comprised of constant flow element, capacitor C 1, C2, C3 and resistance R 1, capacitor C 1, C2, C3 and resistance R 1 respectively have an end to be connected and ground connection each other, the other end of capacitor C 2 and R1 is connected the control end 3 of constant flow element, the other end of capacitor C 1 connects control end 2 and the control end 5 of constant flow element, the other end of capacitor C 3 connects the control end 4 of constant flow element, control end 1 ground connection of constant flow element.
5. the modular high-voltage driving circuit of LED that is applied to according to claim 1, it is characterized in that: 1-28 LED head and the tail series connection successively in described LED lamp group, positive pole connects the output 1 of constant flow element, negative pole connects the output 2 of constant flow element, 29-42 LED head and the tail series connection successively, positive pole connects the output 2 of constant flow element, negative pole connects the output 3 of constant flow element, 43-56 LED head and the tail series connection successively, positive pole connects the output 3 of constant flow element, negative pole connects the output 4 of constant flow element, 57-70 LED head and the tail series connection successively, positive pole connects the output 4 of constant flow element, negative pole connects the output 5 of constant flow element, 71-84 LED head and the tail series connection successively, positive pole connects the output 5 of constant flow element, negative pole connects the output 6 of constant flow element, 85-96 LED head and the tail series connection successively, positive pole connects the output 6 of constant flow element, negative pole connects the output 7 of constant flow element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203174025U CN203313489U (en) | 2013-06-04 | 2013-06-04 | High voltage drive circuit applied to LED modularization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203174025U CN203313489U (en) | 2013-06-04 | 2013-06-04 | High voltage drive circuit applied to LED modularization |
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| Publication Number | Publication Date |
|---|---|
| CN203313489U true CN203313489U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013203174025U Expired - Fee Related CN203313489U (en) | 2013-06-04 | 2013-06-04 | High voltage drive circuit applied to LED modularization |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104080250A (en) * | 2014-06-27 | 2014-10-01 | 深圳市明微电子股份有限公司 | Stroboscopic-free LED lighting circuit and device |
-
2013
- 2013-06-04 CN CN2013203174025U patent/CN203313489U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104080250A (en) * | 2014-06-27 | 2014-10-01 | 深圳市明微电子股份有限公司 | Stroboscopic-free LED lighting circuit and device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20131127 Termination date: 20170604 |