CN203313463U - DC power supply system of indoor LED lighting lamps - Google Patents
DC power supply system of indoor LED lighting lamps Download PDFInfo
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- CN203313463U CN203313463U CN2013202343670U CN201320234367U CN203313463U CN 203313463 U CN203313463 U CN 203313463U CN 2013202343670 U CN2013202343670 U CN 2013202343670U CN 201320234367 U CN201320234367 U CN 201320234367U CN 203313463 U CN203313463 U CN 203313463U
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- supply system
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Abstract
The utility model discloses a DC power supply system of indoor LED lighting lamps. The DC power supply system comprises a transformer, a rectifier, multiple light modulation controllers and multiple groups of LED lamps. Each light modulation controller controls an LED lamp string formed by a group of LED lamps. The primary side of the transformer is connected with commercial power supply, current outputted by the secondary side of the transformer passes through the rectifier, and then DC is outputted to supply power to the LED lamps and the light modulation controllers. Each light modulation controller comprises a current-limiting resistor, a triode, a switch, an analog/digital converter and a voltage division circuit based on a potentiometer. The triode is an NPN-type triode. The DC power supply system of the indoor LED lighting lamps has a stepless light modulation function and is easy to install and configure.
Description
Technical field
The utility model relates to a kind of DC power-supply system of indoor LED illuminating lamp.
Background technology
The DC power-supply system of existing indoor LED illuminating lamp, be common direct current is shunted, and coordinate switch to control the LED lamp in each room, do not have dimming function, and existing common thyristor voltage regulator for alternating current circuit also can't be applied in the environment of direct current, therefore, be necessary to design a kind of DC power-supply system of novel indoor LED illuminating lamp.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of DC power-supply system of indoor LED illuminating lamp, and the DC power-supply system of this indoor LED illuminating lamp has the stepless dimming function, is easy to install configuration.
The technical solution of utility model is as follows:
A kind of DC power-supply system of indoor LED illuminating lamp, comprise transformer, rectifier, a plurality of light adjusting controller and organize the LED lamp more; Each light adjusting controller is controlled the LED lamp string formed by one group of LED lamp; The former edge joint mains supply of transformer, the electric current of the secondary of transformer output by rectifier after the output direct current be LED lamp and light adjusting controller power supply;
Light adjusting controller comprises current-limiting resistance, triode, switch, A/D converter and based on the bleeder circuit of potentiometer; Described triode is NPN type triode;
Current-limiting resistance is serially connected in the current supply circuit of LED lamp, and the negative pole of LED lamp string connects the C utmost point of triode, the E utmost point ground connection of triode; The B utmost point of the PWM output termination triode of single-chip microcomputer; An input port of single-chip microcomputer is through switch ground connection; Bleeder circuit based on potentiometer is in parallel with the outlet side of rectifier; The exit of potentiometer connects another input port of single-chip microcomputer through described A/D converter.
Beneficial effect:
The DC power-supply system of indoor LED illuminating lamp of the present utility model, the light adjusting controller unification is arranged on the switchboard place in room, with knob, drive the potentiometer rotation and realize the light modulation operation, conducting and the cut-off of by single-chip microcomputer output pwm pulse, being controlled triode reach the stepless dimming purpose, have circuit simple, cost hangs down and the advantages such as flexible configuration facilitates.
The accompanying drawing explanation
Fig. 1 is the general structure block diagram of the DC power-supply system of indoor LED illuminating lamp.
Fig. 2 is the electric theory diagram that light adjusting controller and LED lamp series winding connect.
Embodiment
Below with reference to the drawings and specific embodiments, the utility model is described in further details:
Embodiment 1:
As shown in Figure 1-2, a kind of DC power-supply system of indoor LED illuminating lamp, comprise transformer, rectifier, a plurality of light adjusting controller and organize the LED lamp more; Each light adjusting controller is controlled the LED lamp string formed by one group of LED lamp; The former edge joint mains supply of transformer, the electric current of the secondary of transformer output by rectifier after the output direct current be LED lamp and light adjusting controller power supply;
Light adjusting controller comprises current-limiting resistance R, triode Q1, K switch, A/D converter and based on the bleeder circuit of potentiometer; Described triode is NPN type triode; The termination LED lamp string of R in Fig. 1, the anode of another termination rectifier outlet side of R;
Current-limiting resistance is serially connected in the current supply circuit of LED lamp, and the negative pole of LED lamp string connects the C utmost point of triode, the E utmost point ground connection of triode; The B utmost point of the PWM output termination triode of single-chip microcomputer; An input port of single-chip microcomputer is through switch ground connection; Bleeder circuit based on potentiometer is in parallel with the outlet side of rectifier; The exit of potentiometer connects another input port of single-chip microcomputer through described A/D converter.
Course of work explanation:
K switch is controlled for the switch of realizing LED lamp string, after single-chip microcomputer detects the K switch closure, sends high level to triode, makes the current supply circuit conducting of LED lamp string.
With knob, drive the potentiometer rotation and realize the light modulation operation, the rotation of potentiometer causes the change in voltage of potentiometer output, and single-chip microcomputer calculates duty ratio according to change in voltage, then exports pwm pulse and control conducting and the cut-off of triode and reach the stepless dimming purpose.
Claims (1)
1. the DC power-supply system of an indoor LED illuminating lamp, is characterized in that, comprises transformer, rectifier, a plurality of light adjusting controller and organize the LED lamp more; Each light adjusting controller is controlled the LED lamp string formed by one group of LED lamp; The former edge joint mains supply of transformer, the electric current of the secondary of transformer output by rectifier after the output direct current be LED lamp and light adjusting controller power supply;
Light adjusting controller comprises current-limiting resistance, triode, switch, A/D converter and based on the bleeder circuit of potentiometer; Described triode is NPN type triode;
Current-limiting resistance is serially connected in the current supply circuit of LED lamp, and the negative pole of LED lamp string connects the C utmost point of triode, the E utmost point ground connection of triode; The B utmost point of the PWM output termination triode of single-chip microcomputer; An input port of single-chip microcomputer is through switch ground connection; Bleeder circuit based on potentiometer is in parallel with the outlet side of rectifier; The exit of potentiometer connects another input port of single-chip microcomputer through described A/D converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202343670U CN203313463U (en) | 2013-05-03 | 2013-05-03 | DC power supply system of indoor LED lighting lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202343670U CN203313463U (en) | 2013-05-03 | 2013-05-03 | DC power supply system of indoor LED lighting lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203313463U true CN203313463U (en) | 2013-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202343670U Expired - Fee Related CN203313463U (en) | 2013-05-03 | 2013-05-03 | DC power supply system of indoor LED lighting lamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203313463U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105517275A (en) * | 2014-10-08 | 2016-04-20 | 凹凸电子（武汉）有限公司 | A driving circuit, a dimming controller and a method for adjusting power of a light source |
| CN110225617A (en) * | 2019-06-06 | 2019-09-10 | 东莞华明灯具有限公司 | A kind of dimming drive power circuit |
-
2013
- 2013-05-03 CN CN2013202343670U patent/CN203313463U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105517275A (en) * | 2014-10-08 | 2016-04-20 | 凹凸电子（武汉）有限公司 | A driving circuit, a dimming controller and a method for adjusting power of a light source |
| CN110225617A (en) * | 2019-06-06 | 2019-09-10 | 东莞华明灯具有限公司 | A kind of dimming drive power circuit |
| CN110225617B (en) * | 2019-06-06 | 2021-09-07 | 东莞华明灯具有限公司 | Dimming driving power circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN BANG'ERDE ELECTRONICS CO., LTD. Free format text: FORMER OWNER: SHENZHEN LEDS PHOTOELECTRIC TECHNOLOGY CO., LTD. Effective date: 20150306 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150306 Address after: Baoan District Shiyan street Shenzhen city Guangdong province 518000 house community AI Qun Lu with rich industrial zone 2-5 building 1-3 building Patentee after: SHENZHEN BONLD ELECTRONICS CO., LTD. Address before: 518000, Shenzhen, Guangdong province Baoan District Shiyan Street on the north side of the White Pine Road (parcel number):A733-0027) founder science and Technology Industrial Park, A (3101) Patentee before: Shenzhen LEDs Photoelectric Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20180503 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |