CN203072239U

CN203072239U - LED power supply possessing independent modules

Info

Publication number: CN203072239U
Application number: CN 201320027483
Authority: CN
Inventors: 徐水平
Original assignee: Zhuhai Grsaving Energy Saving Technology Co Ltd
Current assignee: Zhuhai Grsaving Energy Saving Technology Co Ltd
Priority date: 2013-01-19
Filing date: 2013-01-19
Publication date: 2013-07-17
Anticipated expiration: 2023-01-19

Abstract

The utility model discloses and provides a LED power supply possessing independent modules. An internal circuit is divided according to a function module so that the independent modules are formed. During designing a PCB circuit, the each independent function circuit is designed on each independent PCB board and then is packaged into an independent circuit module. During usage, the independent modules are connected together so as to realize a LED power supply function. The LED power supply of the utility model comprises a lightning protection circuit module (1), an EMI circuit module (2), an AC/DC circuit module (3), a constant current circuit module (4) and a control protection circuit module (5). The lightning protection circuit module (1), the EMI circuit module (2), the AC/DC circuit module (3) and the constant current circuit module (4) are successively and electrically connected. The control protection circuit module (5) is electrically connected with the AC/DC circuit module (3) and the constant current circuit module (4) respectively.

Description

A kind of LED power supply with standalone module

Technical field

The utility model relates to a kind of LED power supply, and the circuit of especially a kind of LED power circuit inside is divided into separately the independently LED power supply of functional module.

Background technology

The LED lamp, as the 4th generation new light sources,, energy-conserving and environment-protective low because of its production use cost in recent years and luminescent properties is superior is used widely.Yet under prior art, LED power supply on the market is an integrated circuit board, with the inner each several part circuit design of LED power supply on same pcb board, be assembled into a LED power panel then, particularly the outdoor power supply of LED is when practical application, all be to adopt epoxy sealing, finally being packaged into one is contained on casing the inside or external and the lamp outer casing, so, if after finished product damages, can't keep in repair after the LED power package is finished, whole power supply can only be scrapped processing basically, cause huge manpower and materials waste, thereby reduced the production competitiveness of enterprise.

The utility model content

Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, a kind of LED power supply with standalone module is provided, it is divided internal circuit according to functional module, form separately independently module, when the PCB circuit design, with separately independently on the functional circuit design independently pcb board separately, be packaged into independently circuit module then, will be separately during use standalone module link together and just can realize the function of LED power supply, separate between each module, in case be convenient to maintenance after damaging.

The technical scheme that the utility model adopts is: the utility model comprises lightning protection circuit module, EMI circuit module, AC/DC circuit module, constant-current circuit module and control protection electric circuit module; described lightning protection circuit module, described EMI circuit module, described AC/DC circuit module, described constant-current circuit module are electrically connected successively, and described control protection electric circuit module is electrically connected with described AC/DC circuit module, described constant-current circuit module respectively.

Preferably, described lightning protection circuit module comprises lightning protection circuit, and extraneous AC network inserts described EMI circuit module after importing described lightning protection circuit.

Preferably, described EMI circuit module comprises the EMI circuit, and the AC network of described lightning protection circuit output inserts described AC/DC circuit module after importing described EMI circuit.

Preferably, described AC/DC circuit module comprises AC/DC high-voltage rectifier, PFC booster circuit, pwm circuit and the DC/DC reduction voltage circuit that is electrically connected successively, and the AC network of described EMI circuit output inserts described constant-current circuit module after importing described AC/DC high-voltage rectifier, described PFC booster circuit, described pwm circuit and described DC/DC reduction voltage circuit successively.

Preferably, described constant-current circuit module comprises constant-current circuit, and the AC network of described DC/DC reduction voltage circuit output inserts the use terminal after importing described constant-current circuit.

Preferably, described control protection electric circuit module comprises control protection electric circuit, and described constant-current circuit, described PFC booster circuit, described pwm circuit and described DC/DC reduction voltage circuit are electrically connected with described control protection electric circuit respectively.

The beneficial effects of the utility model are: because the utility model comprises lightning protection circuit module, EMI circuit module, AC/DC circuit module, constant-current circuit module and control protection electric circuit module, described lightning protection circuit module, described EMI circuit module, described AC/DC circuit module, described constant-current circuit module are electrically connected successively, and described control protection electric circuit module is electrically connected with described AC/DC circuit module, described constant-current circuit module respectively; Therefore, the utility model is divided internal circuit according to functional module, form separately independently module, when the PCB circuit design, with separately independently functional circuit design on separate pcb board, be packaged into independently circuit module then, will be separately during use standalone module link together and just can realize the function of LED power supply, separate between each module, in case be convenient to maintenance after damaging, significantly reduced the integral LED power supply waste that causes because of damage, thereby reduced the production cost of enterprise and improved the competitiveness of product in market.

Description of drawings

Fig. 1 is each functional module principle schematic of the utility model;

Fig. 2 is each functional circuit schematic block diagram of the utility model.

Embodiment

As shown in Figure 1 and Figure 2, the circuit that the utility model relates to a kind of LED power circuit inside is divided into separately the independently LED power supply of functional module, this LED power supply is according to the functional module of dividing, each functional circuit independent design is become a modular circuit, be designed to corresponding interface between each standalone feature module, just can form the LED power supply with standalone feature module after connecting according to the interface of correspondence after like this that the circuit of each standalone feature module is packaged separately.

The utility model specifically comprises lightning protection circuit module 1, EMI circuit module 2, AC/DC circuit module 3, constant-current circuit module 4 and control protection electric circuit module 5; described lightning protection circuit module 1, described EMI circuit module 2, described AC/DC circuit module 3, described constant-current circuit module 4 are electrically connected successively, and described control protection electric circuit module 5 is electrically connected with described AC/DC circuit module 3, described constant-current circuit module 4 respectively.

Described lightning protection circuit module 1 comprises lightning protection circuit 6, and extraneous AC network is imported described lightning protection circuit 5 backs and inserted described EMI circuit module 2.Described EMI circuit module 2 comprises EMI circuit 7, and the AC network of described lightning protection circuit 6 outputs is imported described EMI circuit 7 backs and inserted described AC/DC circuit module 3.Described AC/DC circuit module 3 comprises AC/DC high-voltage rectifier 8, PFC booster circuit 9, pwm circuit 10 and the DC/DC reduction voltage circuit 11 that is electrically connected successively, and the AC network of described EMI circuit 7 outputs is imported described AC/DC high-voltage rectifier 8, described PFC booster circuit 9, described pwm circuit 10 and described DC/DC reduction voltage circuit 11 backs successively and inserted described constant-current circuit module 4.Described constant-current circuit module 4 comprises constant-current circuit 12, and the AC network of described DC/DC reduction voltage circuit 11 outputs is imported described constant-current circuit 12 backs and inserted the use terminal.Described control protection electric circuit module 5 comprises control protection electric circuit 13, and described constant-current circuit 12, described PFC booster circuit 9, described pwm circuit 10 and described DC/DC reduction voltage circuit 11 are electrically connected with described control protection electric circuit 13 respectively.

Implementation process of the present utility model is as follows:

(1) lightning protection circuit 6 in the AC input circuit is designed on a pcb board separately; be packaged into independently lightning protection circuit module 1 behind the lightning protection surge components and parts of being correlated with on the cloth; described lightning protection circuit module 1 inserts live wire (L), zero line (N), ground wire (PE) from the AC network input; output live wire L1, zero line N1 behind described lightning protection circuit 6, described lightning protection circuit module 1 is mainly used in the surge lightning strike protection of LED power supply late-class circuit.

(2) with EMI circuit 7 independent design in the AC input circuit on a pcb board, be packaged into independently EMI circuit module 2 behind the EMI components and parts of being correlated with on the cloth, described EMI circuit module 2 inserts from output L1, the N1 of described lightning protection circuit module 1, output live wire L2, zero line N2 behind described EMI circuit 7, described EMI circuit module 2 is mainly used in the reliability design of the EMC aspect of LED power supply.

(3) with the AC/DC high-voltage rectifier 8 in the LED power supply segmentation functional circuit, PFC booster circuit 9, pwm circuit 10, the design of 11 4 functional circuits of DC/DC reduction voltage circuit is at one independently on the pcb board, be packaged into independently AC/DC circuit module 3 behind the components and parts of being correlated with on the cloth, described AC/DC circuit module 3 is from the output L2 of described EMI circuit module 2, N2 inserts, through described AC/DC high-voltage rectifier 8, described PFC booster circuit 9, described pwm circuit 10 and described DC/DC reduction voltage circuit 11 output low-voltage direct V_DC1 and ground wire GND1, described AC/DC circuit module 3 main realizations become the alternating current of prime output into the back low-voltage DC.

(4) with the design of the constant-current circuit 12 in the LED power supply function circuit at one independently on the pcb board, be packaged into independently constant-current circuit module 4 behind the components and parts of being correlated with on the cloth, described constant-current circuit module 4 inserts from V_DC1 and the GND1 of described AC/DC circuit module 3, through described constant-current circuit 12 output currents constant power supply V_DC2 and ground wire GND2, described constant-current circuit module 4 is mainly used in the effect of constant current.

(5) with the design of the control protection electric circuit 13 in the LED power supply function circuit at one independently on the pcb board; be packaged into independently control protection electric circuit module 5 behind the components and parts of being correlated with on the cloth; described control protection electric circuit module 5 inserts with VCC, the GND1 of AC/DC circuit module 3, S_TEST1 respectively; with insert the effect that described control protection electric circuit module 5 is mainly monitored in real time, analyzed, protects, feeds back described AC/DC circuit module 3 and described constant-current circuit module 4 from VCC, the GND2 of described constant-current circuit module 4, I_TEST2.

With above each circuit module that independently becomes the circuit package one-tenth of standalone module separately, according to namely caning be assembled into a kind of LED power supply with standalone feature module after each self-corresponding interface line connection.

The utility model is applied to the LED field of power supplies.

Claims

1. LED power supply with standalone module; it is characterized in that: comprise lightning protection circuit module (1), EMI circuit module (2), AC/DC circuit module (3), constant-current circuit module (4) and control protection electric circuit module (5); described lightning protection circuit module (1), described EMI circuit module (2), described AC/DC circuit module (3), described constant-current circuit module (4) are electrically connected successively, and described control protection electric circuit module (5) is electrically connected with described AC/DC circuit module (3), described constant-current circuit module (4) respectively.

2. a kind of LED power supply with standalone module according to claim 1, it is characterized in that: described lightning protection circuit module (1) comprises lightning protection circuit (6), extraneous AC network is imported described lightning protection circuit (6) back and is inserted described EMI circuit module (2).

3. a kind of LED power supply with standalone module according to claim 2, it is characterized in that: described EMI circuit module (2) comprises EMI circuit (7), and the AC network of described lightning protection circuit (6) output is imported described EMI circuit (7) back and inserted described AC/DC circuit module (3).

4. a kind of LED power supply with standalone module according to claim 3, it is characterized in that: described AC/DC circuit module (3) comprises AC/DC high-voltage rectifier (8), PFC booster circuit (9), pwm circuit (10) and the DC/DC reduction voltage circuit (11) that is electrically connected successively, and the AC network of described EMI circuit (7) output is imported described AC/DC high-voltage rectifier (8), described PFC booster circuit (9), described pwm circuit (10) and described DC/DC reduction voltage circuit (11) back successively and inserted described constant-current circuit module (4).

5. a kind of LED power supply with standalone module according to claim 4, it is characterized in that: described constant-current circuit module (4) comprises constant-current circuit (12), and the AC network of described DC/DC reduction voltage circuit (11) output is imported described constant-current circuit (12) back and inserted the use terminal.

6. a kind of LED power supply with standalone module according to claim 5; it is characterized in that: described control protection electric circuit module (5) comprises control protection electric circuit (13), and described constant-current circuit (12), described PFC booster circuit (9), described pwm circuit (10) and described DC/DC reduction voltage circuit (11) are electrically connected with described control protection electric circuit (13) respectively.