CN202495231U

CN202495231U - Novel LED screen

Info

Publication number: CN202495231U
Application number: CN2012200053081U
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-01-09
Filing date: 2012-01-09
Publication date: 2012-10-17
Anticipated expiration: 2022-01-09

Abstract

The utility model discloses a novel LED screen which comprises at least two edgings, a number of LED light bars and a control device. An LED light bar comprises at least two LED light-emitting units, at least one positive power supply circuit, at least one negative power supply circuit and a signal control circuit. The control device is located at one end of the edgings, and is for controlling the LED light bars. Two edgings are of equal length, and are provided with a number of fixing points. Light bars are connected with the fixing points of two edgings at arbitrary inclination. According to the utility model, the problem of signal interference is solved, the circuit is simplified, and the cost is reduced. In addition, on the basis that the visual range and the radiation effect are not affected, the transparent structure improves the stability and the flexibility of the LED screen.

Description

A kind of New LED screen

Technical field

The utility model relates to the LED field, particularly a kind of New LED screen.

Background technology

LED receives widely with luminescence efficiency height, long service life, characteristics safe and reliable and environmental protection and energy saving and paying attention to; Display screen can be formed pixel by a kind of LED luminous point of primary colours, also can form pixel by the LED luminous point of any two or three primary colours, is controlled the brightness of various primary colours in each pixel again by special driving circuit and control system; Thereby demonstrate pictures such as coloury video, picture, literal; LED display has become the sign of urban information modernization construction, along with socioeconomic continuous progress as a kind of important means of information propagation; And the LED display technique is constantly perfect; People will more and more go deep into the understanding of LED display, and its application will be more and more wider, and traditional LED display is on lighttight slab construction; Display screen is restricted in the application of some occasion signal is interfered in transmission course easily, can not give play to better effect.

Implementation content

For addressing the above problem, the utility model provides a kind of New LED screen, and input signal disturbs less, signal stabilization, cost is lower, connections is simple, and is more frivolous under prerequisite is dispelled the heat in assurance, installs more flexible.

For realizing that the technical scheme that above-mentioned purpose adopts is: a kind of New LED screen; Comprise at least two edge strips, a plurality of LED lamp bar, control device, control detection device; LED lamp bar comprises at least two LED luminescence units, at least one cathode power supply circuit, at least one negative power supply circuit, a signal controlling circuit; Control device is positioned at edge strip one end; Be used to control LED lamp bar, the control detection device comprises first CS, first detection module, judge module, second CS and second detection module, and first CS receives first signal; Be communicated with each LED and outside power supply, open the connection state that first detection module detects each parts among each LED simultaneously; Judge that through judge module there is fault in each parts among each LED again; Be then to export fault-signal, be closed into the signal that second CS is communicated with each LED and outside otherwise send secondary signal, and open the status signal transmission that said second detection module detects each parts among the LED; Feedback output second testing result; Two edge strips are isometric, are provided with a plurality of point of fixity, and the lamp bar is connected with the two edges point of fixity with any degree of tilt;

The LED luminescence unit comprises at least one LED luminophor, printed circuit board (PCB), LED luminophor and printed circuit board (PCB) in succession, printed circuit board (PCB) communicates with the positive and negative power supply circuit;

Printed circuit board (PCB) is provided with transmission drive control chip, and transmission drive control chip is through a signal controlling circuit input control signal, and printed circuit board (PCB) also is provided with heat dissipating layer;

Each printed circuit board (PCB) of LED luminescence unit interconnects through positive and negative power supply circuit and a signal controlling circuit;

The edge strip rear end is provided with driving power, positive source circuit, the power cathode circuit of LED, and the positive source link tester is crossed control device and is connected with the cathode power supply circuit of lamp bar, and edge strip also is provided with through hole, and the power positive cathode circuit is positioned at through hole;

The LED luminophor can be blue-light emitting body, Yellow luminous body, violet luminescence.

Pass through technique scheme: first surface is provided with a waterproof membrane; Not only solved signal interference problem, circuit is oversimplified more, reduced cost; And penetrating structure makes on the basis that does not influence visual range and radiating effect, increased the steadiness and the dirigibility of LED screen.

Description of drawings

Fig. 1 is the structural representation of New LED screen;

Fig. 2 connects synoptic diagram for the lamp bar of New LED screen;

Fig. 3 is the structural representation of the LED luminescence unit of lamp bar.

Embodiment

Below in conjunction with accompanying drawing and specific embodiment, the utility model is elaborated.

Like Fig. 1, Fig. 2 is shown in Fig. 3; A kind of New LED screen comprises at least two edge strips 3, a plurality of LED lamp bar 6, control device 1, and LED lamp bar 6 comprises at least two LED luminescence units 15, at least one cathode power supply circuit 8, at least one negative power supply circuit 11, a signal controlling circuit 9; Control device 1 is positioned at edge strip 3 one ends, and it is isometric to be used to control 6, two edge strips 3 of LED lamp bar; Be provided with a plurality of point of fixity 7, lamp bar 6 is connected with two edges point of fixity 7 with any degree of tilt;

Control detection device 22 comprises first CS, first detection module, judge module, second CS and second detection module; First CS receives first signal; Be communicated with each LED and outside power supply, open the connection state that first detection module detects each parts among each LED simultaneously; Judge that through judge module there is fault in each parts among each LED again; Be then to export fault-signal; Otherwise send secondary signal and be closed into the signal that second CS is communicated with each LED and outside; And open the status signal transmission that said second detection module detects each parts among the LED, feedback is exported second testing result;

LED luminescence unit 15 comprises at least one LED luminophor 14, printed circuit board (PCB) 16, LED luminophor 14 and printed circuit board (PCB) 16 in succession, printed circuit board (PCB) 16 communicates with positive and negative power supply circuit 8,11;

Printed circuit board (PCB) 16 is provided with transmission drive control chip 13, and transmission drive control chip 13 is through signal controlling circuit 9 input control signals, and printed circuit board (PCB) 16 also is provided with heat dissipating layer 12;

Each printed circuit board (PCB) 16 of LED luminescence unit 15 interconnects through 8,11 and signal controlling circuits 9 of positive and negative power supply circuit;

Edge strip 3 rear ends are provided with driving power, positive source circuit 4, the power cathode circuit 5 of LED; Positive source circuit 4 is connected with the cathode power supply circuit 8 of lamp bar 6 through control device 1; Edge strip 3 also is provided with through hole 2, and power positive cathode circuit 4,5 is positioned at through hole 2;

LED luminophor 14 can be blue-light emitting body, Yellow luminous body, violet luminescence.

The above embodiment only is used for explaining the utility model, but is not limited thereto.Under the condition that does not depart from the present invention's design, affiliated person skilled can be made suitable change adjustment, and these change adjustment also should be included within the claim protection domain of the present invention.

Claims

1. a New LED shields; It is characterized in that: comprise at least two edge strips, a plurality of LED lamp bar, control device, control detection device; LED lamp bar comprises at least two LED luminescence units, at least one cathode power supply circuit, at least one negative power supply circuit, a signal controlling circuit; The control detection device comprises first CS, first detection module, judge module, second CS and second detection module; First CS receives first signal, is communicated with each LED and outside power supply, opens the connection state that first detection module detects each parts among each LED simultaneously; Judging that through judge module there is fault in each parts among each LED again, is then to export fault-signal, is closed into the signal that second CS is communicated with each LED and outside otherwise send secondary signal; And open the status signal transmission that said second detection module detects each parts among the LED, and feedback output second testing result, control device is positioned at edge strip one end; Be used to control LED lamp bar; Two edge strips are isometric, are provided with a plurality of point of fixity, and the lamp bar is connected with the two edges point of fixity with any degree of tilt.

2. according to the described New LED screen of claims 1, it is characterized in that: described LED luminescence unit comprises at least one LED luminophor, printed circuit board (PCB), LED luminophor and printed circuit board (PCB) in succession, printed circuit board (PCB) communicates with the positive and negative power supply circuit.

3. according to claims 2 described New LED screens, it is characterized in that: described printed circuit board (PCB) is provided with transmission drive control chip, and transmission drive control chip is through a signal controlling circuit input control signal, and printed circuit board (PCB) also is provided with heat dissipating layer.

4. according to claims 1 described New LED screen; It is characterized in that: described edge strip rear end is provided with driving power, positive source circuit, the power cathode circuit of LED; The positive source link tester is crossed control device and is connected with the cathode power supply circuit of lamp bar; Edge strip also is provided with through hole, and the power positive cathode circuit is positioned at through hole.