CN209560975U

CN209560975U - Receive card and display system

Info

Publication number: CN209560975U
Application number: CN201821971969.3U
Authority: CN
Inventors: 韦桂锋; 高杰
Original assignee: Xi'an Nova Nebula Technology Co Ltd
Current assignee: Xi'an Nova Nebula Technology Co Ltd; Xian Novastar Electronic Technology Co Ltd
Priority date: 2018-11-27
Filing date: 2018-11-27
Publication date: 2019-10-29
Anticipated expiration: 2028-11-27

Abstract

A kind of reception card disclosed by the utility model includes: image processing circuit, microcontroller, multi-channel network PHY chip, network transformer and connector；Microcontroller connects image processing circuit, and multi-channel network PHY chip is connected between image processing circuit and network transformer, and connector includes the first connector and the second connector of pairing setting；First connector includes multichannel data group output pin group, and the second connector includes multichannel data group output pin group, display control signal output pin group and multichannel Ethernet interface pin set；Network transformer connects multichannel Ethernet interface pin set, and image processing circuit connects the multichannel data group output pin group of the first connector and the multichannel data group output pin group and display control signal output pin group of the second connector.A kind of display system is also disclosed in the utility model.The utility model, which can reduce, to be received card size, reduces data transmission failure rate, promotes reception card installation convenience and Electro Magnetic Compatibility.

Description

Receive card and display system

Technical field

The utility model relates to field of display technology more particularly to a kind of reception card and a kind of display systems.

Background technique

In existing LED display system, vision signal is sent to sending card by video interface by video source, is then sent out Card feed is responsible for vision signal being converted into digital signal and is allocated digital signal, from multiple output interfaces export to its Each reception card in the different LED boxes of connection.Due to receiving the parameter of LED box where card is stored with itself in itself, connect Receive clamping receive display data after, can according to itself institute with load lamp plate driving chip cabling mode to the data received into Row is corresponding to be reversed, then the RGB data group of generation is transmitted to the data input pin of lamp plate driving chip；Lamp plate driving chip connects While receiving RGB data group, the display control signal sent from reception card can be also received.These RGB datas and display control The transmission of signal needs a large amount of winding displacement to complete.However, the use of a large amount of winding displacements, not only to receive card and lamp plate have compared with Big outer dimension, and increase the failure rate of data transmission.In addition, winding displacement connection type seems, redundancy is complicated, installation It is very inconvenient, it is also possible to lead to Electro Magnetic Compatibility.

Utility model content

The embodiments of the present invention provide a kind of reception card and a kind of display system, with reduce receive card size, It reduces the failure rate of data transmission, promote reception card installation convenience and Electro Magnetic Compatibility.

On the one hand, the utility model embodiment provides a kind of connector, comprising: image processing circuit, microcontroller, more Road network PHY chip, network transformer and connector；The microcontroller connects described image processing circuit, the multi path network Network PHY chip is connected between described image processing circuit and the network transformer, and the connector includes pairing setting First connector and the second connector；First connector includes multichannel data group output pin group, second connector Including multichannel data group output pin group, display control signal output pin group and multichannel Ethernet interface pin set；It is described Network transformer connects the multichannel Ethernet interface pin set, and described image processing circuit connects the institute of first connector State the multichannel data group output pin group and display control of multichannel data group output pin group and second connector Signal output pin group processed.

In one embodiment of the utility model, the multichannel data group output pin group of first connector and Every four circuit-switched datas group output pin group and adjacent thereto another four in the multichannel data output pin of second connector Grounding pin group is provided between circuit-switched data group output pin group.

In one embodiment of the utility model, the reception card further includes multiple volatile memory, the multiple Volatile memory is separately connected described image processing circuit.

In one embodiment of the utility model, the Ethernet interface pin set includes differential signal pin set and outer Shell ground pin set, per the Ethernet interface pin set described all the way in per adjacent two pairs of differential signal pin sets between setting is free connects Pin.

In one embodiment of the utility model, first connector further includes LCD Interface pin set and power supply The multichannel data group output pin group of pin set, first connector is arranged in the LCD Interface pin set and institute It states between power pins group；The microcontroller connects the LCD Interface pin set.

In one embodiment of the utility model, second connector further includes that test key and status indicator lamp connect Mouth group, the test key connect described image processing circuit, and the test key and state with status indicator lamp interface group Indicator light interface group is arranged between the display control signal output pin group and the multichannel Ethernet interface pin set.

In one embodiment of the utility model, first connector and second connector have identical quantity Data group output pin group, each circuit-switched data group output pin group includes a red data output pin, a green number According to output pin and a blue data output pin.

In one embodiment of the utility model, first connector and second connector are 120 and draw The connector male seat of foot.

On the other hand, the utility model embodiment provides a kind of display system, including pinboard, display screen and as aforementioned Reception card；The pinboard includes the second connector and the lamp plate interface for connecting second connector, and the pinboard is logical It crosses second connector and connects the connector for receiving card and form plug connection, the lamp plate interface passes through described the Two connectors are connected to the multichannel data group output pin group of first connector, and the pinboard passes through the lamp plate Interface connects the display screen.

In one embodiment of the utility model, multi-path network port, and the multi-path network port are provided on the pinboard It connects second connector and connects the multichannel Ethernet interface of second connector by second connector Pin set.

A technical solution in above-mentioned technical proposal have the following advantages that or the utility model has the advantages that the present embodiment by receiving The connector of pairing setting is used on card, and specific arrangements and design have been carried out to the interface pin of connector, so that connection The outer dimension of device greatly reduces, and has abandoned the winding displacement connection type of redundancy complexity, further reduces the shape ruler for receiving card It is very little, solve the problems, such as to receive that card area occupied is big, installation and replacement are inconvenient at present, also reduce data transmission failure rate, It is promoted and receives card Electro Magnetic Compatibility.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings Obtain other attached drawings.

Fig. 1 is the structural schematic diagram of the reception card in the utility model first embodiment；

Fig. 2 and Fig. 3 is distributed to match the pin of the connector of setting in the connector in the utility model first embodiment Schematic diagram；

Fig. 4 a-4f is the circuit connecting relation figure shown in FIG. 1 for receiving the main element in card；

Fig. 5 is the structural schematic diagram of the reception card in the utility model second embodiment；

Fig. 6 is the structural schematic diagram of the display system in the utility model 3rd embodiment.

Wherein:

30- receives card；31- image processing circuit；33- microcontroller；35a- network PHY chip；35a- network PHY core Piece；36- crystal oscillator；37- network transformer；39- connector；401- volatile memory；403- nonvolatile memory；405- temperature Humidity measuring circuit；407- voltage detecting circuit；

50- display system；51- receives card；511- connector；53- pinboard；55- display screen；The second connector of 531-； 532- lamp plate interface；533- network interface.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

First embodiment

As shown in Figure 1, a kind of reception card 30 that the utility model first embodiment provides, for example, image procossing electricity Road 31, microcontroller 33, network PHY chip 35a and 35b, crystal oscillator 36, network transformer 37, connector 39, multiple volatibility are deposited Reservoir 401 and nonvolatile memory 403, receiving card 30 can further include equipment additional functionality circuit such as temperature and humidity Detection circuit 405, voltage detecting circuit 407.

Wherein, image processing circuit 31 is mainly used for receiving and processing incoming video signal, vision signal is converted to TTL Digital signal be transmitted directly to the respective pins of connector 39, will not belong to the reception card vision signal pass through kilomega network transmit Block to cascade next reception.Image processing circuit 31 may be, for example, field programmable gate array (FPGA) device.

Microcontroller 33 is, for example, the MCU based on ARM kernel.Microcontroller 33 be mainly used for load FPGA, carry out it is warm and humid Degree detection and voltage detecting etc..Microcontroller 33 connects image processing circuit 31.

Network PHY chip 35a, 35b are connected between image processing circuit 31 and network transformer 37, are, for example, two-way Kilomega network PHY chip crystal oscillator 36 may be, for example, that 25MHz has source crystal oscillator.Crystal oscillator 36 connect network PHY chip 35a, 35b, with to Network PHY chip 35a, 35b provide reference frequency, so that it is guaranteed that the accuracy of data transmission.

Company of the connector 39 for example, by using connector JH1 and connector the JH2 composition of pairing setting as shown in Figures 2 and 3 Connect device.Wherein, connector JH1 mainly includes power pins group VCC, grounding pin group GND and multichannel data group output pin group It and preferably further include reserved function expansion interface pin set and/or LCD Interface pin set；Connector JH2 mainly includes Grounding pin group GND, display control signal output pin group, multichannel data group output pin group and Ethernet interface pin set with It and preferably further include test key and status indicator lamp interface group.

Specifically, in figure 2 and figure 3, VCC is, for example, 5V power supply, and 1. region is reserved function expansion interface pin set, is used In the extension of the functions such as intelligent mould group, lamp plate FLASH, such as it is distributed in the multichannel data group output pin group of connector JH1 The upper and lower ends of (corresponding 2., 3. region)；2., 3. region is multichannel data group output pin group, such as multichannel RGB data group is defeated Pin set out, for output multi-channel rGB data signal to drive the LED lamp panel of LED display to perform image display, per all the way RGB data group output pin group includes red data (R) output pin, green data (G) output pin and one Blue data (B) output pin.In the present embodiment, connector JH1 and connector JH2 total can support 32 tunnel RGB data groups Output, certainly, in other embodiments, can not also support the road the 25-32 RGB data group in 2. region to export, namely only Export 24 tunnel RGB data groups.

Hold it is above-mentioned, 4. region be LCD Interface pin set, EXT_KEY therein be LCD Interface in push button signalling Pin, EXT_LCD_BL1, EXT_LCD_BL0 are backlight control signal pin, and EXT_LCD_SDA and EXT_LCD_SCL are to receive Block the I2C signal pins communicated with liquid crystal display, EXT_LCD_RS and EXT_LCD_CS are that the enable signal in LCD Interface is drawn Foot.5. region is display control signal output pin group, OE_RED, OE_GREEN, OE_BLUE therein draw for enable signal Foot, CTRL are blanking signal pin, and LAT is latch signal pin, and DCLK, DCLK2 are Clock Signal pin, and A, B, C, D, E are Row gating signal pin.6. region is test key and status indicator lamp interface pin group, TEST_INPUT_KEY therein are Key-press input signal pins are tested, STA_LED- is status indicator lamp signal pins.7. region is Ethernet interface pin set, Including Ethernet Difference signal pair pin set and shell pin set, concretely: including two-way kilomega network interface pin group, often It all the way for example can for sending card or other reception cartoon letters and a pair of of shell pin set comprising four pairs of differential signal pins It is connected on LED box shell.

In addition, it is worth noting that, it is similar in the signal pins function distribution rule of connector JH1 and connector JH2 Function signal pin assignment is to together, facilitating wiring.And preferably, per every adjacent two in Ethernet interface pin set all the way Pin is connect to being arranged to have time between differential signal pin set, is interfered with each other to avoid between differential pair, because these signals are high speed Signal, vulnerable to interference；Furthermore in order to promote the signal output reliability of RGB data group, for connector JH1 and connector JH2 On each circuit-switched data group output pin group for, can be every four circuit-switched datas group output pin group and another four number adjacent thereto According between group output pin group, grounding pin is set；Certainly, the data group for being also not limited to four tunnels and grounding pin two sides is defeated Pin set can not also be identical out, only advantageously reduces wiring difficulty according to this kind of grounding pin of fixed rule setting.In addition, The mutual positional relationship of the pin set of various different function can also do some optimizations, such as connector shown in Fig. 3 JH2, (the corresponding 5. region) setting of display control signal output pin group is in Ethernet interface pin set (corresponding 7. region) sum number According between a group output pin group (corresponding 3. region), key and status indicator lamp interface pin group (corresponding to 6. region) setting are tested Between display control signal output pin group (corresponding 5. region) and Ethernet interface pin set (corresponding 7. region).This implementation The connector JH1 and JH2 of example are for example the connector male seats of 120 pins, and the function of each pin is defined as follows list 1 With shown in table 2.

Each pin function of 1 connector JH1 of table defines

Each pin function of 2 connector JH2 of table defines

Network transformer 37 connects the multichannel Ethernet interface pin set (corresponding 7. region) of connector JH2, image procossing Circuit 31 connects the multichannel data of multichannel data group output pin group (the corresponding to 2. 3. region) and connector JH2 of connector JH1 Group output pin group (corresponding 3. region) and display control signal output pin group (corresponding 5. region).

Multiple volatile memory 401 are, for example, SDRAM memory, for providing data buffer storage space.Multiple volatibility Memory 401 is separately connected image processing circuit 31.The quantity of multiple volatile memory 401 may be, for example, 3, including 1 The SDRAM memory that capacity is 128Mbit (4M x 32Bit) and 2 capacity are 64Mbit (2M x 32Bit) is formed total Capacity is multiple SDRAM memories of 256Mbit.Certainly, the quantity of multiple volatile memory 401 can need according to the actual situation It is configured, the utility model embodiment is not limited.Image processing circuit is convenient in the setting of multiple volatile memory 31 carry out data storage, extraction etc. with multiple volatile memory 401 simultaneously, improve the data processing speed of image processing circuit 31 Degree makes to receive the standby bigger load capacity of fixture, can effectively reduce the quantity for receiving card under equal resolution, to a certain extent Space and cost have been saved, the complexity of installation is further reduced.In addition, SDRAM memory can for example, original graph Image storage space prestores picture data space, cabling table data space, correction data space, program cache data space, parameter Memory space, cabinet information data space, lamp plate information data space, general caching data space, reserved space etc..So set The quick access that can be further conducive to image processing circuit 31 to SDRAM memory is set, access efficiency and data processing are promoted Efficiency.

Nonvolatile memory 403 connects image processing circuit 31 and microcontroller 33 to be shared by the two Flash storage (flash memory).

The main circuit connecting relation of main element a-4f referring to fig. 4 in the present embodiment.Specifically, Fig. 4 a-4c is image The main circuit connecting relation figure of such as FPGA of processor 31, Fig. 4 d are the main circuit connecting relation figure of microcontroller 33, figure 4e is the main circuit connecting relation figure of network PHY chip 35a/35b, and Fig. 4 f is that the main circuit of volatile memory 403 connects Connect relational graph.

The reception card 30 of the present embodiment for example receive card by two-way gigabit networking complete with sending card and it is cascade other The communication of card is received, gigabit network signal first passes around network transformer 37, then passes through network PHY chip 35a/35b, by net Network PHY chip 35a/35b is communicated after being converted into media stand-alone interface signal such as RGMII signal with image processing circuit 31.Number According to processing completed by image processing circuit 31, image processing circuit 31 carries out the data that card is received from sending card or prime After processing, the RGB data group signal and display control signal for being converted into LED lamp panel in control LED display are output to LED light Data are temporarily stored in volatile memory 401 by plate, image processing circuit 31.Microcontroller 33 completes image processing circuit 31 The driving of load and liquid crystal, in addition it can be responsible for detection voltage and temperature and humidity, what is connect with microcontroller 33 non-volatile is deposited Reservoir 403 is used to store the program of image processing circuit 31.In addition, microcontroller 33 also sends a control signal to connector 39 The LCD Interface pin set (corresponding 4. region) of connector JH1.

In conclusion the present embodiment uses the connector of pairing setting, and the interface pin of connector on receiving card Centralized arrangement and design abandoned the winding displacement connection type of redundancy complexity so that the outer dimension of connector greatly reduces, into One step reduces the outer dimension for receiving card, solves the problems, such as to receive that card area occupied is big, installation and replacement are inconvenient at present.Separately Outside, function division and reasonable layout are carried out using specific rule to the pin for the connector for matching setting in connector, favorably In the standardization that input/output interface defines, so that the input/output interface for receiving card tends to standardize, be conducive to itself and rear end The connection of pinboard reduces number but also enhancing using the stability volume reliability of the signal transmission of the reception card of the connector According to transmission failure rate while also improve Electro Magnetic Compatibility.In addition, network transformer has been integrated into reception card, no longer need Network transformer is placed on pinboard (HUB plate), the wiring difficulty of client is reduced.Furthermore multiple volatile memory Setting, carry out data storage, extractions etc. simultaneously convenient for image processing circuit 31 and multiple volatile memory 401, improve and scheme As the data processing speed of processing circuit 31, makes to receive the standby bigger load capacity of fixture, can effectively subtract under equal resolution Few quantity for receiving card, has saved space and cost to a certain extent, has further reduced the complexity of installation.

Second embodiment

As shown in figure 5, a kind of reception card 30 that the utility model second embodiment provides, for example, image procossing electricity Road 31, microcontroller 33, network PHY chip 35a and 35b, network transformer 37, connector 39, multiple volatile memory 401 With nonvolatile memory 403, equipment additional functionality circuit such as Temperature and Humidity circuit 405, electricity can further include Press detection circuit 407.

Specifically, image processing circuit 31 is extracted for example including data transmit-receive circuit, parameter load and storage circuit, gray scale And multiple circuits such as correcting circuit, storage control circuit and scan output circuit.Wherein, storage control circuit is connected to data receipts Between Power Generation Road and scan output circuit.Gray scale extracts and correcting circuit is connected to storage control circuit and parameter load and storage Between circuit.Parameter load and storage circuit are also respectively connected with data transmit-receive circuit and scan output circuit.Image processing circuit 31 it is mainly used for receiving and processing incoming video signal, vision signal is converted to TTL digital signal is transmitted directly to connector 39 respective pins, the vision signal that will not belong to the reception card are transferred to cascade next reception by kilomega network and block.

Microcontroller 33 is, for example, the MCU based on ARM kernel.Microcontroller 33 is mainly used for load image processing circuit 31, Temperature and Humidity and voltage detecting etc. are carried out.Microcontroller 33 connects image processing circuit 31.Microcontroller 33 for example including Governor circuit, program loaded circuit, acquisition data converting circuit and LCD Controlling interface.Governor circuit is connected to program load Between circuit and LCD Controlling interface.Governor circuit is also connected with acquisition data converting circuit.

Network PHY chip 35a, 35b are connected between image processing circuit 31 and network transformer 37, are, for example, two-way Kilomega network PHY chip.Crystal oscillator 36 may be, for example, that 25MHz has source crystal oscillator.Crystal oscillator 36 connect network PHY chip 35a, 35b, with to Network PHY chip 35a, 35b provide reference frequency, so that it is guaranteed that the accuracy of data transmission.

Connector in such as previous embodiment of connector 39 comprising match the connector JH1 and connector of setting JH2。

Network transformer 37 connects the multichannel Ethernet interface pin set of connector JH2, and the connection of image processing circuit 31 connects The multichannel data group output pin group of fitting JH1 and the multichannel data group output pin group and display control signal of connector JH2 Output pin group.

For the reception card 30 convenient for further understanding the present embodiment, its working principle is carried out below in conjunction with Fig. 4 detailed Explanation.When reception card 30 powers on, the governor circuit of microcontroller 33 is by program loaded circuit from nonvolatile memory 403 Read 31 program of image processing circuit, load image processing circuit 31.To image processing circuit 31 load get up, receive card 30 into Enter normal operation mode, data is received by network PHY chip such as 35a, data transmit-receive circuit is mentioned from received data packet It is derived from the data of oneself needs and is cached by storage control circuit into volatile memory 401, while other data being continued Next stage is sent to by network PHY chip such as 35b cascade and receives card, realizes the splicing of picture；FPGA is from volatile storage Data are extracted in device 401 and the processing such as gray scale extraction and correction is carried out by gray scale extraction and correcting circuit, by even after processing It connects device 39 and exports display control signal and RGB data group, normally light LED lamp panel, achieve the purpose that output display picture.It is non-easy The correction data and items relevant parameter that LED lamp panel can also be stored in the property lost memory 403, pass through in data processing Parameter load and storage circuit generate correct scan data to access these parameters.In the process of running, microcontroller 33 is gone back Epidemic disaster and information of voltage on reception card 30 can be acquired, then counts collected information by D/A converting circuit The conversion of word signal and analog signal is simultaneously real-time transmitted in host computer, realizes the monitoring and configuration of display screen or lamp plate.Separately Outside, microcontroller 33 can also send a control signal to the liquid crystal display of the connector JH1 of connector 39 by LCD Controlling interface Interface pin group.

3rd embodiment

As shown in fig. 6, a kind of display system 50 that the utility model 3rd embodiment provides, comprising: receive card 51, switching Plate 53 and display screen 55；Pinboard 53 is connected between reception card 51 and display screen 55.Display screen 55 is, for example, LED display, It includes a LED lamp panel or multiple LED lamp panels.The reception card 51 of the present embodiment is, for example, using in both of the aforesaid embodiment Card 31 is received, is configured with connector 511 thereon.Connector is for example, by using the connector 39 in previous embodiment.Connector 511 It such as include the connector male seat of pairing setting.The connector 531 of pairing setting is for example provided on pinboard 53, for example including The connector base of setting is matched, to form company by connector 531 and connector 511 between pinboard 53 and reception card 51 It connects.In addition, pinboard 53 further includes lamp plate interface 532, for connecting display screen 55.The connection of lamp plate interface 532 connector 531, And by connector 531 be connected to JH1 shown in Fig. 1 multichannel data group output pin group and Fig. 2 shown in JH2 multichannel data group Output pin group.Lamp plate interface 532 is, for example, the connecting interface of the double needle interface of 2.54mm or other forms.In addition, lamp plate connects Mouth 532 also connects multiple lamp plates of display screen 55 for example including multiple interfaces.In addition, it is worth noting that, on pinboard 53 Typically it is additionally provided with such as RJ45 interface of multi-path network port 533.Multi-path network port 533 connects connector 531 and passes through connector 531 It is connected to the multichannel Ethernet interface pin set of JH2 shown in Fig. 2；It certainly, in practical applications, can not also be on pinboard 53 RJ45 interface is directly set, but the signal wire for the connection of RJ45 interface is only set, in such a case, these are used to connect The signal wire of RJ45 interface constitutes the multi-path network port 533 of the present embodiment.In addition, receiving the connector 511 and pinboard on card 51 Connector 531 on 53 can also exchange setting, that is, receive the connector 511 on card 51 for connector base, on pinboard 53 Connector 531 be connector male seat, the utility model is not limited.

Herein it is noted that according to the introduction of the utility model above-described embodiment, those of ordinary skill in the art are very Be easy to get the specification of related elements in each embodiment and combine related embodiment illustrate complete the utility model Circuit in each embodiment is built, pin connects and chip parameter is set etc..

In several embodiments provided herein, it should be understood that disclosed system, device and method can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multichannel unit or component It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit It closes or communicates to connect, can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multichannel In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit, it is also possible to Each unit physically exists alone, and can also be integrated in one unit with two or more units.Above-mentioned integrated unit Both it can take the form of hardware realization, can also have been realized in the form of hardware adds SFU software functional unit.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims

1. a kind of reception card characterized by comprising image processing circuit, microcontroller, multi-channel network PHY chip, network become Depressor and connector；The microcontroller connects described image processing circuit, and the multi-channel network PHY chip is connected to the figure As between processing circuit and the network transformer, the connector includes the first connector and the second connection of pairing setting Part；First connector includes multichannel data group output pin group, and second connector includes that the output of multichannel data group is drawn Foot group, display control signal output pin group and multichannel Ethernet interface pin set, the network transformer connection are described more Road Ethernet interface pin set, described image processing circuit connect the multichannel data group output pin of first connector The multichannel data group output pin group and the display control signal output pin group of group and second connector；Its In, the reception card further includes multiple volatile memory, and the multiple volatile memory is separately connected described image processing Circuit.

2. reception card according to claim 1, which is characterized in that the multichannel data group of first connector exports In the multichannel data output pin of pin set and second connector every four circuit-switched datas group output pin group and with its phase Grounding pin group is provided between adjacent another four circuit-switched datas group output pin group.

3. reception card according to claim 1, which is characterized in that the Ethernet interface pin set includes that differential signal draws Foot group and shell ground pin set, per the Ethernet interface pin set described all the way in per adjacent two pairs of differential signal pin sets between set It is equipped with sky and connects pin.

4. reception card according to claim 1, which is characterized in that first connector further includes LCD Interface pin The multichannel data group output pin group setting of group and power pins group, first connector is drawn in the LCD Interface Between foot group and the power pins group；The microcontroller connects the LCD Interface pin set.

5. reception card according to claim 1, which is characterized in that second connector further includes test key and state Indicator light interface group, the test key connects described image processing circuit with status indicator lamp interface group, and the test is pressed Key and status indicator lamp interface group are arranged in the display control signal output pin group and the multichannel Ethernet interface pin Between group.

6. reception card according to claim 1, which is characterized in that first connector and second connector have The data group output pin group of identical quantity, each circuit-switched data group output pin group include red data output pin, one A green data output pin and a blue data output pin.

7. reception card according to claim 1, which is characterized in that first connector and second connector are The connector male seat of 120 pins.

8. a kind of display system, including pinboard, display screen and the described in any item receptions cards of such as claim 1-7；Described turn Fishplate bar includes the second connector and the lamp plate interface for connecting second connector, and the pinboard passes through second connector It connects the connector for receiving card and forms plug connection, the lamp plate interface is connected to institute by second connector The multichannel data group output pin group of the first connector is stated, the pinboard connects the display by the lamp plate interface Screen.

9. display system according to claim 8, which is characterized in that be provided with multi-path network port, and institute on the pinboard State the multichannel that multi-path network port connects second connector and connects second connector by second connector Ethernet interface pin set.