CN201796586U

CN201796586U - LED signal interface HUB multi-port repeater board

Info

Publication number: CN201796586U
Application number: CN2010202793819U
Authority: CN
Inventors: 魏洵佳
Original assignee: Konka Group Co Ltd
Current assignee: Konka Group Co Ltd
Priority date: 2010-08-02
Filing date: 2010-08-02
Publication date: 2011-04-13
Anticipated expiration: 2020-08-02

Abstract

The utility model discloses an LED single interface HUB multiple port repeater board, which aims to solve the technical problem in preventing an HUB board from being repeatedly redesigned so as to improve the design efficiency and reduce the production cost. The utility model adopts the technical scheme that the LED single interface HUB multiple port repeater board comprises an LED scanning control board and an HUB board, wherein the LED scanning control board is connected with the HUB board through two groups of 50P plugs arranged on the LED scanning control board and two groups of corresponding 50p sockets arranged on the HUB board, the HUB board further comprises a processor, a 10P socket and a 20P socket group, the LED scanning control board outputs date and control signal data _ a [] and data _ b [] into the processor through the two groups of 50P plugs and the two groups of 50p sockets, and the processor is connected with the 10P socket and the 20P socket group. Compared with the prior art, the LED single interface HUB multiple port repeater board adopts a PLD (Programmable Logic Device) chip to achieve the positioning and distribution to video data and control signal of the scanning control board, and the reformed structure design to the HUB board is not required. Therefore, the design efficiency is improved, and the production cost is reduced.

Description

LED signaling interface HUB multiport transponder plate

Technical field

The utility model relates to a kind of LED control field, relates in particular to a kind of LED signaling interface HUB multiport transponder plate.

Background technology

In the LED display application, the clearer and more definite division of labor is arranged in the industry, some company's research and development control system, some company produces the screen body specially, therefore a lot of led controllers of producing the company of screen body generally all are outsourcings, this problem with regard to existing a led controller and the LED drive plate of self how to connect.The LED drive plate has all adopted 20 line interface technology at present, its signal comprises RGB data, shift clock, latch signal, opens signal, line scan signals and ground wire, wherein line scan signals is that 1 outdoor static LED display screen and dutycycle are in 1/2,1/4,1/8,1/16 the indoor dynamic LED display screen in dutycycle, the figure place of the line scan signals of enabling is not quite similar, for example dutycycle be do not have in 1 o'clock line scan signals, dutycycle be 1/2 o'clock can with 1-2 position (2 time need not decoding), 1/4 o'clock with 2,1/8 o'clock with 3,1/16 o'clock with 4; And the RGB data are only used redness or other monochromatic data, use the red and green color data in the double-basis LED display, use the redgreenblue data in full-color LED display screens in single basic LED display, and different LED drive plates also can adopt 1 or 2 or 3 group of RGB data; On the other hand, be exactly the identical LED drive plate of parameter, the interface signal order of each company also is not quite similar.In the design of Universal LED display screen control system, the signal output of its FPGA is fixed, use for compatible different LED drive plate, extensively adopted hardware interface HUB plate expansion technique, locate the various signals of LED drive plate, promptly, all need redesign hardware interface HUB plate and adapt at the LED drive plate of different company or the LED drive plate of same company different mode.For example Fig. 1 has promptly shown a kind of circuit logic design drawing of HUB plate 30, led controller 10 has 16 groups of RGB data and two groups of 7 control signals are connected respectively to two 50P male plug 111-112 among the figure, 30 of HUB plates plug by two 50P female plug seat 211-212 and 50P male plug 111-112, its signal again by bus buffer 74HC245 array 41 with RGB[] data, control signal CL[] be connected respectively to a plurality of 20P sockets 51 by demand and go the driving LED module.Fig. 2 has then described the signal schematic layout pattern of one 20 line interface socket 511, R[1..0 among the figure], G[1..0], B[1..0] data-signal is distributed in 1 respectively, 5,2,6,3,7 pin, shift clock SCLK, latch signal/LATCH, open signal/EN and line scan signals A, B, C, D then is arranged in 12 respectively, 13,15,17,18,19,20 pin, the equal ground connection of all the other idle pins, obviously, this traditional HUB plate expansion technique is no doubt feasible, but it is very dumb, not only make system design become loaded down with trivial details and efficient is low, also strengthened system overhead and increased unnecessary production cost.

Summary of the invention

The purpose of this utility model provides a kind of LED signaling interface HUB multiport transponder plate, and the technical matters that solve is the redesign that need not to repeat the HUB plate, to improve design efficiency, reduces production costs.

For solving the problems of the technologies described above, the utility model is by the following technical solutions: a kind of LED signaling interface HUB multiport transponder plate, comprise LED scan control plate and HUB plate, connect by being located at two groups of 50P male plugs on the LED scan control plate and being located at two groups of corresponding on HUB plate 50P female plug seats between described LED scan control plate and the HUB plate, described HUB plate also comprises processor, 10P socket and 20P socket group, described LED scan control plate is by two groups of 50P male plugs and two groups of 50P female plug seat output datas and control signal data_a[] and data_b[] in processor, described processor connects 10P socket and 20P socket group.

20P socket group of the present utility model is made up of at least four 20P sockets, the 1-10 pin of described 20P socket is connected with the RGB data pin of processor respectively, the 11-20 pin is connected with the shared control signal pin of processor, has at least two pins to connect stake resistance in 20 pins of described 20P socket.

20P socket group of the present utility model is made up of four to eight 20P sockets.

There are two to four pins to connect stake resistance in 20 pins of 20P socket of the present utility model.

Processor of the present utility model is programmable PLD chip.

Stake resistance of the present utility model is 0 Europe resistance.

The utility model compared with prior art adopts programmable PLD chip to realize the location distribution of scan control plate video data and control signal, need not to repeat the redesign of HUB plate, thereby has improved design efficiency, has reduced production cost.

Description of drawings

Fig. 1 is the structural representation of prior art HUB plate.

Fig. 2 is the connection diagram of prior art 20P line interface.

Fig. 3 is the structural representation of the utility model HUB plate.

Fig. 4 is the connection diagram of the utility model 20P line interface.

Embodiment

The utility model will be further described below in conjunction with drawings and Examples.

As shown in Figures 3 and 4, LED signaling interface HUB multiport transponder plate of the present utility model, comprise LED scan control plate 10 and HUB plate 20, between described LED scan control plate 10 and the HUB plate 20 by being located at two groups of 50P male plugs 111 on the LED scan control plate 10,112 and be located on the HUB plate two groups of corresponding 50P female plug seats 211,212 connect, HUB plate 20 also comprises processor 221,10P socket 222 and 20P socket group 23, LED scan control plate 10 is by two groups of 50P male plugs 111,112 and two groups of 50P female plug seats 211,212 output datas and control signal data_a[] and data_b[] in processor 221, processor 221 connects 10P socket and 20P socket group 23, with RGB data D[] and shared control signal C[] output, 20P socket group 23 is formed as four to eight 20P sockets 231 by at least four, the 1-10 pin of each 20P socket 231 is connected with the RGB data pin of processor 221, the 11-20 pin is connected with the shared control signal pin of processor 221, and in 20 pins of described 20P socket 231 at least two as two to four pins are connected to stake resistance R241.

Processor 221 of the present utility model adopts programmable PLD chip, programming software on the logical computing machine, can on request the LED RGB data and the control signal of input be specified pin assignments arbitrarily, the 20P socket of delivering to respectively in the corresponding 20P receptacle array 23 goes output, to reach consistent with actual led module input pin, its level is a Transistor-Transistor Logic level, and no pin is set at high-impedance state.

20P socket 231 of the present utility model is sockets in the 20P receptacle array 23, one group of RGB data D[9:0 of the corresponding connection processing device of pin one-9 221 outputs wherein], the shared control signal C[9:0 of corresponding connection processing device 221 outputs of pin one-9],

9,10,11,14 also is connected with stake resistance R241 respectively simultaneously.

Stake resistance R241 of the present utility model is 0 Europe resistance, put when the respective pin output signal efficient spatio-temporal that is connected with processor 221 and not weld, when the respective pin that is connected with programmable chip owing to non-output signal is set at high-impedance state, and when the socket pin corresponding with the LED lamp plate is ground, on pcb board, be solded into the direct ground connection of this pin, have good loop with the effective connected sum signal that guarantees ground wire.

Data D[9:0 of the present utility model] order and content variable, programmable I/O output by processor 221 is determined, for example can be red data R[1:0] or R[3:2], green data G[1:0] or G[3:2], blue data B[1:0] or B[3:2], certainly, it also can be a control signal, remainder data need not then be changed to high resistant with exporting accordingly, if unsettled and corresponding with the LED lamp plate socket pin of 9 or 10 pins is when ground, then with 9 or 10 pins with 0 Europe resistance R, 241 ground connection; Control signal C[9:0] comprise shift clock SCLK, latch signal/LATCH, open signal/EN and line scan signals H[3..0], its the order or do not adopt variable, programmable I/O output by processor 221 is determined, be that above-mentioned signal can be used entirely in 1/16 the dynamic LED display screen for dutycycle for example, in the static display screen of LED, then only use shift clock SCLK, latch signal/LATCH and open signal/EN, all the other then will be exported accordingly without pin and be changed to high resistant, if unsettled and corresponding with the LED lamp plate socket pin of 11 or 14 pins is when ground, then with 11 or 14 pins with 0 Europe resistance R, 241 ground connection.

The number of resistance R 241 of the present utility model and position can be specified by user flexibility.

The LED signaling interface HUB plate that the utility model provides has versatility, can realize the location distribution of scan control plate video data and control signal by programmable PLD chip, need not to repeat the redesign of HUB plate, thereby improved design efficiency, reduced production cost.

Claims

1. LED signaling interface HUB multiport transponder plate, comprise LED scan control plate (10) and HUB plate (20), between described LED scan control plate (10) and the HUB plate (20) by being located at two groups of 50P male plugs (111 on the LED scan control plate (10), 112) and be located at HUB plate (20) and go up two groups of corresponding 50P female plug seats (211,212) connect, it is characterized in that: described HUB plate (20) also comprises processor (221), 10P socket (222) and 20P socket group (23), described LED scan control plate (10) is by two groups of 50P male plugs (111,112) and two groups of 50P female plug seats (211,212) output data and control signal data_a[] and data_b[] in processor (221), described processor (221) connects 10P socket (222) and 20P socket group (23).

2. LED signaling interface HUB multiport transponder plate according to claim 1, it is characterized in that: described 20P socket group (23) is made up of at least four 20P sockets (231), the 1-10 pin of described 20P socket (231) is connected with the RGB data pin of processor (221) respectively, the 11-20 pin is connected with the shared control signal pin of processor (221), has at least two pins to connect stake resistance (R241) in 20 pins of described 20P socket (231).

3. LED signaling interface HUB multiport transponder plate according to claim 2, it is characterized in that: described 20P socket group (23) is made up of four to eight 20P sockets (231).

4. LED signaling interface HUB multiport transponder plate according to claim 3 is characterized in that: have two to four pins to connect stake resistance (R241) in 20 pins of described 20P socket (231).

5. LED signal HUB multiport transponder plate according to claim 1 and 2, it is characterized in that: described processor (221) is programmable PLD chip.

6. LED signal HUB multiport transponder plate according to claim 2, it is characterized in that: described stake resistance (R241) is 0 Europe resistance.