CN202334992U - Constant current lighting circuit adopting integrated element - Google Patents
Constant current lighting circuit adopting integrated element Download PDFInfo
- Publication number
- CN202334992U CN202334992U CN2011203721511U CN201120372151U CN202334992U CN 202334992 U CN202334992 U CN 202334992U CN 2011203721511 U CN2011203721511 U CN 2011203721511U CN 201120372151 U CN201120372151 U CN 201120372151U CN 202334992 U CN202334992 U CN 202334992U
- Authority
- CN
- China
- Prior art keywords
- constant current
- led light
- emitting diode
- current lighting
- lighting circuit
- 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
Links
Images
Landscapes
- Led Devices (AREA)
Abstract
The utility model provides a constant current lighting circuit adopting an integrated element, which uses a three-end adjustable voltage stabilizing integrated circuit element of which an output pin and a voltage adjusting pin are connected to the two ends of a first voltage adjusting resistor; the voltage adjusting pin is grounded through a second voltage adjusting resistor; the load of the three-end adjustable voltage stabilizing integrated circuit element is a light emitting diode (LED) array including four groups of LEDs which are connected in parallel; each group comprises five LEDs which are connected in series and one current limiting resistor. The constant current lighting circuit adopting an integrated element is simple in structure and low in cost and provides stable and constant current for illumination lamps of an electric cars, so that the effect of electricity saving is obvious.
Description
Technical field
The utility model belongs to the led circuit technical field, especially relates to a kind of constant current lighting lamp circuit that adopts integrated component.
Background technology
Electric motor car adopts storage battery power supply; Its power power consumption is bigger, the same power consumption of its illuminating lamp, the frequent easy ageing of cell charging times; So illuminating lamp adopts the little LED lamp of power consumption; Because electric motor car adopts the 36V storage battery power supply usually,, therefore need to adopt the constant current power supply to guarantee the current stabilization of luminous tube along with its spread of voltage of variation of load.
Summary of the invention
The problem that the utility model will solve provides a kind of simple in structure, little power consumption, stable led circuit.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of constant current lighting lamp circuit that adopts integrated component comprises the LED light-emitting diode; Adopt the adjustable integrated regulator element of three ends; Its output pin and pressure regulation pin connect the first regulating resistor two ends; Its pressure regulation pin is through the second regulating resistor ground connection; Its load is the LED light emitting diode matrix, is parallelly connected four groups of LED light-emitting diodes, and every group is five LED light-emitting diodes of series connection and a current-limiting resistance.
Preferably, said LED light-emitting diode is a light-focusing type LED light-emitting diode.
Advantage and the good effect that the utlity model has are: simple in structure, cost is low, and stable constant current is provided.
Description of drawings
Fig. 1 is the circuit diagram of the utility model.
Embodiment
As shown in Figure 1; The utility model adopts the adjustable integrated regulator element of three ends U1, and its model is LM317, and its output pin and pressure regulation pin connect the first regulating resistor R1 two ends; Its pressure regulation pin is through the second regulating resistor R2 ground connection; Its load is the LED light emitting diode matrix, is parallelly connected four groups of LED light-emitting diodes, and every group is five LED light-emitting diodes of series connection and a current-limiting resistance R3; Said LED light-emitting diode is a light-focusing type LED light-emitting diode, and the value of the said first regulating resistor R1, the second regulating resistor R2 and current-limiting resistance R3 is decided according to selected LED model.
The course of work of this instance: after the energized, control switch is connected this circuit, the LED lumination of light emitting diode, and current stabilization, power consumption is little.
More than the embodiment of the utility model is specified, but said content is merely the preferred embodiment of the utility model, can not be considered to be used to limit the practical range of the utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the utility model.
Claims (2)
1. constant current lighting lamp circuit that adopts integrated component; Comprise the LED light-emitting diode, it is characterized in that: adopt the adjustable integrated regulator element of three ends, its output pin and pressure regulation pin connect the first regulating resistor two ends; Its pressure regulation pin is through the second regulating resistor ground connection; Its load is the LED light emitting diode matrix, is parallelly connected four groups of LED light-emitting diodes, and every group is five LED light-emitting diodes of series connection and a current-limiting resistance.
2. the constant current lighting lamp circuit of employing integrated component according to claim 1 is characterized in that: said LED light-emitting diode is a light-focusing type LED light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203721511U CN202334992U (en) | 2011-09-28 | 2011-09-28 | Constant current lighting circuit adopting integrated element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203721511U CN202334992U (en) | 2011-09-28 | 2011-09-28 | Constant current lighting circuit adopting integrated element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202334992U true CN202334992U (en) | 2012-07-11 |
Family
ID=46446953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203721511U Expired - Fee Related CN202334992U (en) | 2011-09-28 | 2011-09-28 | Constant current lighting circuit adopting integrated element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202334992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427642A (en) * | 2011-09-28 | 2012-04-25 | 天津好为节能环保科技发展有限公司 | Constant current lighting lamp circuit using integrated component |
-
2011
- 2011-09-28 CN CN2011203721511U patent/CN202334992U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427642A (en) * | 2011-09-28 | 2012-04-25 | 天津好为节能环保科技发展有限公司 | Constant current lighting lamp circuit using integrated component |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201180948Y (en) | Energy-saving lamp | |
| CN202425163U (en) | Input voltage adaptive circuit for LED (Light Emitting Diode) light source | |
| CN202334992U (en) | Constant current lighting circuit adopting integrated element | |
| CN203399370U (en) | Light-adjustable LED lamp capable of naturally changing color temperature | |
| CN201170520Y (en) | Efficient energy-saving lamp | |
| CN201440745U (en) | LED current-limiting circuit | |
| CN201429013Y (en) | LED emergency lighting lamp | |
| CN201995176U (en) | LED lighting drive circuit | |
| CN201114894Y (en) | A LED driving circuit | |
| CN102427642A (en) | Constant current lighting lamp circuit using integrated component | |
| CN201177186Y (en) | LED lamp string | |
| CN203537605U (en) | LED multi-path current sharing circuit | |
| CN202931618U (en) | High luminous efficiency double arrow LED vehicle interior lamp circuit device | |
| CN203024030U (en) | High-power solar energy LED (Light Emitting Diode) street lamp head | |
| CN202791735U (en) | Brightness adjustable interior LED (Light Emitting Diode) lamp | |
| CN204104188U (en) | A kind of LED lamp | |
| CN103442494A (en) | LED light source brightness continuously adjustable circuit | |
| CN104125675A (en) | LED lamp dimming circuit | |
| CN201429044Y (en) | LED lighting circuit | |
| CN202634782U (en) | LED constant-current drive circuit | |
| CN203136230U (en) | Circuit applying high-voltage LED in centralized power supply system | |
| CN206077741U (en) | A kind of high-power LED drive circuit for MR16 | |
| CN202660389U (en) | High-voltage light emitting diode (LED) outdoor lighting lamp | |
| CN204887525U (en) | Flashlight LED circuit | |
| CN202121821U (en) | LED lamp of adjustable light |
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: 20120711 Termination date: 20130928 |