CN203872399U - Wide voltage AC-DC dual-purpose light emitting diode indicating lamp circuit - Google Patents
Wide voltage AC-DC dual-purpose light emitting diode indicating lamp circuit Download PDFInfo
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- CN203872399U CN203872399U CN201420257827.6U CN201420257827U CN203872399U CN 203872399 U CN203872399 U CN 203872399U CN 201420257827 U CN201420257827 U CN 201420257827U CN 203872399 U CN203872399 U CN 203872399U
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Abstract
The utility model discloses a wide voltage AC-DC dual-purpose light emitting diode indicating lamp circuit comprising light emitting diodes, diodes, and resistors. The circuit is characterized in that a light emitting diode LED 1 and a light emitting diode LED 2 are reversely parallely connected together, and one end of the parallel connection circuit is connected with an output end of a resistor R1 by being serially connected with a resistor R2; positive poles and negative poles of a diode D1, a diode D2, and a diode D3 are sequentially connected together in an end-to-end manner, and positive poles and negative poles of a diode D4, a diode D5, and a diode D6 are sequentially connected together in an end-to-end manner; the diode D1, the diode D2, and the diode D3 are parallely connected with the diode D4, the diode D5, and the diode D6; the negative pole of the diode D1 is connected with the output end of the resistor R1, and the positive pole of the diode D4 is connected with the output end of the resistor R1; the positive pole of the diode D3 is connected with an O end of the output end of the circuit, and the negative pole of the diode D6 is connected with the O end of the output end of the circuit. The wide voltage AC-DC dual-purpose light emitting diode indicating lamp circuit is advantageous in that the resistor circuit can be used to adjust and control the maximum current, the diode circuit can be used for the voltage stabilization of the AC-DC current, and therefore the light emitting diodes can bear the wide current and the wide voltage, and are suitable for the AC circuit and the DC circuit, and the application range of the light emitting diodes can be enlarged.
Description
Technical field
The utility model relates to a kind of wide voltage AC/DC light emitting diode lamp circuit, circuit is made up of light-emitting diode, diode and resistance specifically, can adapt to direct current and the light emitting diode lamp circuit that exchanges two kinds of circuit, belong to power electronic equipment technical field.
Background technology
Under normal circumstances, light-emitting diode has a stricter accommodation to operating current, once exceed restriction numerical value, diode will be breakdown; In addition, light-emitting diode also has fixing condition of compatibility to cross, straight electric current kind; Therefore,, in the time of design light emitting diode lamp circuit, people always first consider current values scope and the current type of its adaptation.At present, light emitting diode lamp circuit is all under rectification prerequisite, the method that the parallel circuits of employing light-emitting diode and voltage stabilizing didoe is powered after resistance-capacitance circuit step-down or resistance step-down realizes, and makes like this application of light emitting diode lamp circuit have significant limitation.
Summary of the invention
For above-mentioned deficiency, the utility model provides a kind of wide voltage AC/DC light emitting diode lamp circuit.
The utility model is achieved through the following technical solutions: a kind of wide voltage AC/DC light emitting diode lamp circuit is by light-emitting diode, diode and resistance composition, it is characterized in that: two LEDs 1, LED2 reverse parallel connection together, and one end of parallel circuits links together by the output of series resistance R2 and resistance R 1, the output O end of the other end and circuit links together, and the input I end of the input of resistance R 1 and circuit links together, diode D1, D2, D3 is cascaded, and diode D1, D2, the both positive and negative polarity head and the tail of D3 connect successively, diode D4, D5, D6 is cascaded, and diode D4, D5, the both positive and negative polarity head and the tail of D6 connect successively, diode D1, D2, D3 and diode D4, D5, D6 is connected in parallel, and the output of the negative pole of diode D1 and resistance R 1 links together, the output of the positive pole of diode D4 and resistance R 1 links together, the output O end of the positive pole of diode D3 and circuit links together, and the output O end of the negative pole of diode D6 and circuit links together.
The usefulness of this utility model is: the maximum operating currenbt that can regulate restricted passage diode circuit by the resistance circuit of building, by the diode circuit built to combined-voltage voltage stabilizing, not only can make light-emitting diode bear wide in range electric current, voltage, be applicable to two kinds of circuit of AC and DC simultaneously, greatly improve the range of application of light-emitting diode, for the application of light-emitting diode in indicator light circuit provides good circuit base platform.
Brief description of the drawings
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
A kind of wide voltage AC/DC light emitting diode lamp circuit is by light-emitting diode, diode and resistance composition, it is characterized in that: two LEDs 1, LED2 reverse parallel connection together, and one end of parallel circuits links together by the output of series resistance R2 and resistance R 1, the output O end of the other end and circuit links together, and the input I end of the input of resistance R 1 and circuit links together, diode D1, D2, D3 is cascaded, and diode D1, D2, the both positive and negative polarity head and the tail of D3 connect successively, diode D4, D5, D6 is cascaded, and diode D4, D5, the both positive and negative polarity head and the tail of D6 connect successively, diode D1, D2, D3 and diode D4, D5, D6 is connected in parallel, and the output of the negative pole of diode D1 and resistance R 1 links together, the output of the positive pole of diode D4 and resistance R 1 links together, the output O end of the positive pole of diode D3 and circuit links together, and the output O end of the negative pole of diode D6 and circuit links together.
A kind of building method of wide voltage AC/DC light emitting diode lamp circuit is as follows: according to the magnitude of voltage of circuit I end and O end, the resistance of calculating selected resistance R 1, the magnitude of voltage that the magnitude of voltage of I end and O end is distributed at diode D1, D2, D3 and diode D4, D5, D6 parallel circuits reaches suitable scope, then, according to the magnitude of voltage of the O end of the output of resistance R 1 and circuit, the resistance of calculating selected resistance R 2, makes LED 1 and LED2 reach suitable brightness.
In the time that I end is connected direct voltage with O end, in LED 1 and LED2, only have a light-emitting diode to light; In the time that I end is connected alternating voltage with O end, LED 1 and LED2 alternately light.
Further technical scheme is:
As preferably, resistance R 1 is chosen to be adjustable resistance.
As preferably, resistance R 2 is chosen to be adjustable resistance.
Claims (4)
1. a wide voltage AC/DC light emitting diode lamp circuit, is by light-emitting diode, diode and resistance composition, it is characterized in that: two LEDs 1, LED2 reverse parallel connection together, and one end of parallel circuits links together by the output of series resistance R2 and resistance R 1, the output O end of the other end and circuit links together, and the input I end of the input of resistance R 1 and circuit links together, diode D1, D2, D3 is cascaded, and diode D1, D2, the both positive and negative polarity head and the tail of D3 connect successively, diode D4, D5, D6 is cascaded, and diode D4, D5, the both positive and negative polarity head and the tail of D6 connect successively, diode D1, D2, D3 and diode D4, D5, D6 is connected in parallel, and the output of the negative pole of diode D1 and resistance R 1 links together, the output of the positive pole of diode D4 and resistance R 1 links together, the output O end of the positive pole of diode D3 and circuit links together, and the output O end of the negative pole of diode D6 and circuit links together.
2. the wide voltage AC/DC of one according to claim 1 light emitting diode lamp circuit, is characterized in that: resistance R 1 is chosen to be adjustable resistance.
3. the wide voltage AC/DC of one according to claim 1 light emitting diode lamp circuit, is characterized in that: resistance R 2 is chosen to be adjustable resistance.
4. the wide voltage AC/DC of one according to claim 1 light emitting diode lamp circuit, is characterized in that: in the time that I end is connected direct voltage with O end, only have a light-emitting diode to light in LED 1 and LED2; In the time that I end is connected alternating voltage with O end, LED 1 and LED2 alternately light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257827.6U CN203872399U (en) | 2014-05-20 | 2014-05-20 | Wide voltage AC-DC dual-purpose light emitting diode indicating lamp circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420257827.6U CN203872399U (en) | 2014-05-20 | 2014-05-20 | Wide voltage AC-DC dual-purpose light emitting diode indicating lamp circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203872399U true CN203872399U (en) | 2014-10-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420257827.6U Expired - Lifetime CN203872399U (en) | 2014-05-20 | 2014-05-20 | Wide voltage AC-DC dual-purpose light emitting diode indicating lamp circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203872399U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111199961A (en) * | 2020-03-03 | 2020-05-26 | 深圳市鸿启兴光电科技有限公司 | Alternating current and direct current universal LED lamp bead |
| CN111601436A (en) * | 2020-06-08 | 2020-08-28 | 深圳市群方技术有限公司 | Ultrahigh voltage-withstanding indicator lamp |
| EP3996268A4 (en) * | 2019-07-04 | 2023-01-25 | Hitachi Industrial Equipment Systems Co., Ltd. | POWER CONVERSION DEVICE |
-
2014
- 2014-05-20 CN CN201420257827.6U patent/CN203872399U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3996268A4 (en) * | 2019-07-04 | 2023-01-25 | Hitachi Industrial Equipment Systems Co., Ltd. | POWER CONVERSION DEVICE |
| CN111199961A (en) * | 2020-03-03 | 2020-05-26 | 深圳市鸿启兴光电科技有限公司 | Alternating current and direct current universal LED lamp bead |
| CN111601436A (en) * | 2020-06-08 | 2020-08-28 | 深圳市群方技术有限公司 | Ultrahigh voltage-withstanding indicator lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 257081 No. 36, Qilianshan Road, Dongying District, Dongying City, Shandong Province Patentee after: Shandong hande automation control equipment Co.,Ltd. Address before: 257067 No. 256, Xisan Road, Dongying District, Dongying City, Shandong Province Patentee before: DONGGUAN HANDE AUTOMATION INTEGRATION CO.,LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |