CN219266947U

CN219266947U - System control board card based on LRM interface

Info

Publication number: CN219266947U
Application number: CN202223132178.0U
Authority: CN
Inventors: 文冰
Original assignee: Nanjing Zhongke Shangyuan Technology Co ltd
Current assignee: Nanjing Zhongke Shangyuan Technology Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-06-27
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a system control board card based on an LRM interface, which belongs to the technical field of boards and comprises a system control board card module, wherein all external signals of the system control board card module are connected to a backboard through the LRM interface and then are butted with other peripheral board cards/interface boards, the LRM interface type comprises a plurality of interfaces such as 10/100/1000Base-T, RS232, RS485, RS422, CAN, LVDS, GPIO and the like, and 4 paths of 10/100/1000Base-T interfaces are connected to a local interface channel processing board. The system control board card based on the LRM interface has the novel characteristics of high stability, high reliability, high maintainability and high expansion, and various peripheral board cards interconnected through the standard LRM backboard can be simply changed according to the needs of various scenes to realize the application of various scenes, so that the system control board card has wide application prospect in the special field.

Description

System control board card based on LRM interface

Technical Field

The utility model belongs to the technical field of board cards, and particularly relates to a system control board card based on an LRM interface.

Background

The system control board card based on the LRM interface architecture can provide a high-speed and reliable system control channel, and the modularized design of zero cable interconnection enables the system control board card to realize spare part minute-level or even second-level maintenance, so that the system communication abnormal time caused by irreversible faults is greatly reduced.

Disclosure of Invention

The utility model aims to provide a system control board card based on an LRM interface, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the system control board card based on the LRM interface comprises a system control board card module, wherein all external signals of the system control board card module are connected to a backboard through the LRM interface and then are in butt joint with a peripheral board card/interface board card, the LRM interface comprises multiple interfaces of 10/100/1000Base-T, RS232, RS485, RS422 and CAN, LVDS, GPIO, and 4 paths of 10/100/1000Base-T interfaces are connected to a local interface channel processing board for accessing and processing local IP data services; the 2-way RS232, the 2-way RS422, the 1-way RS485 and the 1-way CAN interface are connected to the low-speed peripheral board and used for accessing and processing local low-speed data service, the 4-way LVDS interface and the 10-way GPIO are connected with the man-machine interface board and used for controlling keys and liquid crystal display and providing a man-machine interface for the system; the other 4 paths of 10/100/1000Base-T are used for transmitting the local data processed by the system control board card module to an external network to an uplink interface channel processing board;

the system control board card module structurally comprises a core processing module, a CAN transceiver, 2 RS422 transceivers, an RS485 transceiver, an RS232 transceiver, a BD module, 2L 2 exchange chips and a system storage module.

As a preferred embodiment, the CAN transceiver, the 2 RS422 transceivers, the RS485 transceiver and the RS232 transceiver complete the conversion of the interface level protocol, and convert the UART interface of the core processing module into interfaces required by various low-speed peripherals.

As a preferred implementation scheme, the BD module is a Beidou navigation module, and global positioning information acquired from a satellite through a Beidou antenna is realized.

As a preferred implementation, the core processing module accords with the COMe standard and completes the processing and forwarding of each interface and data in the system control board card.

As a preferred embodiment, the system memory module is used to store an operating system running on the core processing module, various data processing software, and log data.

As a preferred embodiment, the LRM interface connector implements all signals in the system control board card module to be connected to the outside, and implements cable-less interconnection and modularization.

Compared with the prior art, the utility model has the technical effects and advantages that:

the LRM interface-based system control board introduces an LRM modularized design concept and a corresponding hardware interface into the system control board. The system control board card with disordered functions has the novel characteristics of high stability, high reliability, high maintainability and high expansion, and various peripheral board cards interconnected through the standard LRM backboard can be simply changed according to the needs of various scenes to realize the application of various scenes, so that the system control board card has wide application prospect in the special field.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a frame diagram of the present utility model;

FIG. 3 is a block diagram of a system memory module of the present utility model.

Reference numerals illustrate:

in the figure: 1. a system control board card module; 2. LRM interface.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

The connection mode can adopt the prior modes such as bonding, welding, bolting and the like, and is based on the actual requirement.

In order to solve the problem, as shown in fig. 1 to 3, an LRM interface-based system control board card includes a system control board card module 1, all external signals of the system control board card module 1 are connected to a backboard through an LRM interface 2 and then are in butt joint with a peripheral board card/interface board card, the LRM interface 2 includes multiple interfaces of 10/100/1000Base-T, RS232, RS485, RS422 and CAN, LVDS, GPIO, wherein 4 paths of 10/100/1000Base-T interfaces are connected to a local interface channel processing board for accessing and processing local IP data services; the 2-way RS232, the 2-way RS422, the 1-way RS485 and the 1-way CAN interface are connected to the low-speed peripheral board and used for accessing and processing local low-speed data service, the 4-way LVDS interface and the 10-way GPIO are connected with the man-machine interface board and used for controlling keys and liquid crystal display and providing a man-machine interface for the system; the other 4 paths of 10/100/1000Base-T are used for transmitting the local data processed by the system control board card module to an external network to an uplink interface channel processing board;

the system control board card module 1 structurally comprises a core processing module, a CAN transceiver, 2 RS422 transceivers, an RS485 transceiver, an RS232 transceiver, a BD module, 2L 2 exchange chips and a system storage module, wherein the CAN transceiver, the 2 RS422 transceivers, the RS485 transceivers and the RS232 transceivers complete the conversion of interface level protocols, UART interfaces of the core processing module are converted into interfaces required by various low-speed peripherals, the BD module is a Beidou navigation module, global positioning information acquired from satellites through Beidou antennas is realized, the core processing module accords with the COMe standard, the processing and forwarding of various interfaces and data in the system control board card are completed, the system storage module is used for storing an operating system, various data processing software and log data which are operated on the core processing module, and an LRM interface connector is used for realizing all signals in the system control board card module to be connected to the outside and realizing cable-free interconnection and modularization.

It should be noted that relational terms such as one and two are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a system control board card based on LRM interface, includes system control board card module, its characterized in that: all external signals of the system control board card module are connected to the backboard through an LRM interface and then are in butt joint with the peripheral board card/interface board card, the LRM interface comprises multiple interfaces of 10/100/1000Base-T, RS232, RS485, RS422 and CAN, LVDS, GPIO, and 4 paths of 10/100/1000Base-T interfaces are connected to a local interface channel processing board for accessing and processing local IP data services; the 2-way RS232, the 2-way RS422, the 1-way RS485 and the 1-way CAN interface are connected to the low-speed peripheral board and used for accessing and processing local low-speed data service, the 4-way LVDS interface and the 10-way GPIO are connected with the man-machine interface board and used for controlling keys and liquid crystal display and providing a man-machine interface for the system; the other 4 paths of 10/100/1000Base-T are used for transmitting the local data processed by the system control board card module to an external network to an uplink interface channel processing board;

2. The LRM interface based system control board card of claim 1, wherein: the CAN transceiver, the 2 RS422 transceivers, the RS485 transceiver and the RS232 transceiver complete the conversion of interface level protocols, and the UART interface of the core processing module is converted into interfaces required by various low-speed peripherals.

3. The LRM interface based system control board card of claim 1, wherein: the BD module is a Beidou navigation module, and global positioning information acquired from a satellite through a Beidou antenna is achieved.

4. The LRM interface based system control board card of claim 1, wherein: and the core processing module accords with the COMe standard and finishes the processing and forwarding of each interface and data in the system control board card.

5. The LRM interface based system control board card of claim 1, wherein: the LRM interface connector realizes that all signals in the system control board card module are connected to the outside, and realizes cable-free interconnection and modularization.