CN202190449U - LED central DC supply cabinet - Google Patents
LED central DC supply cabinet Download PDFInfo
- Publication number
- CN202190449U CN202190449U CN 201120349814 CN201120349814U CN202190449U CN 202190449 U CN202190449 U CN 202190449U CN 201120349814 CN201120349814 CN 201120349814 CN 201120349814 U CN201120349814 U CN 201120349814U CN 202190449 U CN202190449 U CN 202190449U
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- power supply
- led
- direct current
- supply cabinet
- module
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- Expired - Fee Related
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Abstract
The utility model relates to an LED central DC supply cabinet. The cabinet comprises one or more power supply modules, and further comprises a digital-to-analog conversion module and a main control chip MCU (Microprogrammed Control Unit) which are sequentially in electric connection with the power supply module (s), and each power supply module is output-voltage-controlled and provided with a first output high voltage and a second output high voltage. Compared with the prior art, the LED central DC supply cabinet has the characteristic that power supply and control are integrated, thereby greatly saving the new construction and maintenance costs of an LED illuminating system, further prolonging the integral service life and improving the integral reliability.
Description
Technical field
The utility model relates to the LED lighting power supply system, is specifically related to a kind of LED central authorities direct current power supply cabinet that can on DC power supply, carry transmission of control signals.
Background technology
Compare with conventional road lamp, the LED street lamp has long service life, advantage such as energy-conservation.LED street lamp in the past all adopts interchange (AC) power supply, and every Switching Power Supply that the LED street lamp all needs at least one to be used for AC is converted into direct current (DC) could let LED street lamp operate as normal.But because this power supply life-span itself is short, regular damage, this has brought a difficult problem of safeguarding just for the LED street lamp, and brief introduction has influenced the useful life of LED street lamp.
High direct voltage is supplied power, and just adopts the form of centrally connected power supply, carries the 250V high voltage direct current directly for the LED street lamp, and just need not to be equipped with independent Switching Power Supply on the LED street lamp.So far, also there is not to occur special control mode to this high direct voltage power supply LED street lamp.When needs are controlled this LED street lamp; Can only adopt the way that in the past is directed against the alternating-current power supply LED street lamp; Outside the street lamp power supply, road lamp power supply system, increasing control system realizes; This just need install a signal receiving device on every LED street lamp, and these signals of centralized control receive and the equipment of final controlling element.This type mode has caused the increase of manpower and material cost, in the while maintenance afterwards, also need safeguard strength for these device inputs.
China's invention " LED controller for road lamp "; Application number 200910105774.X; The LED controller for road lamp of the control mode of a kind of employing general packet radio service (GPRS) and purple honeybee (ZigBee) wireless communication transmission data is disclosed; Realize LED street lamp Long-distance Control, it also is a kind of of autonomous control system and network.
The utility model content
The utility model technical issues that need to address are, a kind of LED central authorities direct current power supply cabinet is provided, and control system that need not be special is accomplished control output that it is connected the LED lamp of power supply on the power supply basis.
The technical problem of the utility model solves like this: a kind of LED is provided central direct current power supply cabinet, comprises one or more power module, also comprise the D/A converter module and the main control chip that are electrically connected successively with said power module; Said power module is the controlled power module with the first output high pressure and second output high pressure of output voltage.
In the preferred embodiment of the utility model, also comprise the command reception device that is electrically connected with said main control unit.
In the preferred embodiment of the utility model, also comprise the command reception interface that is electrically connected with said main control unit.
In the preferred embodiment of the utility model, also comprise the command reception device and the command reception interface that are electrically connected with said main control unit.
In the preferred embodiment of the utility model, the first output high pressure is 250V, and the second output high pressure is 220V.
In the preferred embodiment of the utility model, said command reception interface is in serial ports, parallel port, network interface or the wave point any.
The LED central authorities direct current power supply cabinet of the utility model; The digital remote control signal is carried in the regular variation of two kinds of voltages through direct current supply; Compared with prior art; Have the characteristics of power supply and control unification, save the newly-built and maintenance cost of LED illuminator greatly, further also improved bulk life time and reliability.
Description of drawings
Further the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment.
Fig. 1 is the structural representation of the utility model specific embodiment inside and application system;
Fig. 2 is the control program schematic flow sheet of the inner main control chip of the utility model specific embodiment.
Embodiment
As shown in Figure 1, the application system of using the LED central authorities direct current power supply cabinet of the utility model specific embodiment also comprises a plurality of direct current supply LED street lamps, and the electric wire that connects LED central authorities' direct current power supply cabinet and direct current supply LED street lamp, wherein:
1, LED central authorities direct current power supply cabinet comprises: controller, at least one power module;
2, direct current supply LED street lamp comprises: led light source module, voltage conversion circuit, ADC module, MCU, constant-current circuit;
3, electric wire: directly adopt existing alternating current wires to get final product, make things convenient for street lamp engineered.
Controller comprises: command reception device, main control chip (MCU), digital-to-analogue conversion (DAC) module.Its operation principle is:
The command reception device is used to receive external control signal, and this signal is sent to MCU through serial ports; The MCU analytic signal; And give the DAC module according to DAC module predetermined data form timed sending data; The DAC module will become analog signal to send to power module from the data transaction that MCU receives; Power module is carried through wires to each direct current supply LED street lamp according to the output voltage of this control signal change self.
As shown in Figure 2, the control program of the inner main control chip of LED central authorities direct current power supply cabinet of the utility model specific embodiment may further comprise the steps:
201) beginning that powers on;
202) out-put supply module corresponding digital control with DC250V output;
203) judge whether to receive control command? Be to get into next step, otherwise return step 202);
204) carry out digital coding and dateout string (changing power module output through the DAC module again) according to control command, return step 202).
The output voltage of the LED central authorities direct current power supply cabinet of the utility model changes characteristics and does not limit; Like different separately variation characteristics in: China that the utility model applicant applies for simultaneously invention " high direct voltage power supply LED road lamp system and control signal transmission method of reseptance thereof " and " high direct voltage power supply LED street lamp light adjusting system and the signal transmission method of reseptance thereof ", press treaty rule at receiving terminal and export " 0 " or " 1 ".
Claims (5)
1. a LED central authorities direct current power supply cabinet comprises one or more power module, it is characterized in that, also comprises the D/A converter module and the main control chip (MCU) that are electrically connected successively with said power module; Said power module is the controlled power module with the first output high pressure and second output high pressure of output voltage.
2. the central direct current power supply cabinet of LED according to claim 1 is characterized in that, also comprises the command reception device that is electrically connected with said main control unit.
3. the central direct current power supply cabinet of LED according to claim 1 is characterized in that, also comprises the command reception interface that is electrically connected with said main control unit.
4. the central direct current power supply cabinet of LED according to claim 1 is characterized in that, also comprises the command reception device and the command reception interface that are electrically connected with said main control unit.
5. according to claim 3 or the central direct current power supply cabinet of 4 described LED, it is characterized in that said command reception interface is in serial ports, parallel port, network interface or the wave point any.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120349814 CN202190449U (en) | 2011-09-19 | 2011-09-19 | LED central DC supply cabinet |
| PCT/CN2011/002008 WO2013040736A1 (en) | 2011-09-19 | 2011-11-30 | Dc high voltage power supply led street lamp system and realization method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120349814 CN202190449U (en) | 2011-09-19 | 2011-09-19 | LED central DC supply cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202190449U true CN202190449U (en) | 2012-04-11 |
Family
ID=45921880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120349814 Expired - Fee Related CN202190449U (en) | 2011-09-19 | 2011-09-19 | LED central DC supply cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202190449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109905938A (en) * | 2017-12-10 | 2019-06-18 | 英业达科技有限公司 | Detect the traffic light system control system and its method of cabinet |
-
2011
- 2011-09-19 CN CN 201120349814 patent/CN202190449U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109905938A (en) * | 2017-12-10 | 2019-06-18 | 英业达科技有限公司 | Detect the traffic light system control system and its method of cabinet |
| CN109905938B (en) * | 2017-12-10 | 2021-03-02 | 英业达科技有限公司 | Signal lamp display control system and method for detecting cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20140919 |
|
| EXPY | Termination of patent right or utility model |