CN205103734U - Campus leads to cluster server ware - Google Patents

Abstract

The utility model relates to the technical field of computer cloud services, in particular to a campus communication cluster server. It includes at least two serial servers. The serial server is equipped with a main control board and a power conversion board. The main control board is integrated with a microprocessor, a level conversion chip and a network card chip. The network card chip is connected to at least one RJ45 network through an isolation transformer. The port socket is connected with at least one serial port socket to the level conversion chip; each port server is also provided with a power supply pinhole and a power plug for connecting with an adjacent serial port server. The utility model utilizes the centralized deployment of the microprocessor, and cooperates with multiple serial sockets and RJ45 network sockets, so that the server can connect many intelligent devices (such as office teaching equipment, catering management equipment, and campus safety management equipment) to the server. Ethernet, and realize the two-way transmission of serial port data and Ethernet port data, and then provide a hardware foundation for campus automation management and data resource sharing.

Description

A campus communication cluster server

technical field

The utility model relates to the technical field of computer cloud services, in particular to a campus communication cluster server.

Background technique

At present, in the informatization construction of the campus, various problems are faced, such as the fragile network security system, the incompleteness of information sharing and automation, etc., which have caused considerable damage to the normal teaching, management and security of the school. Therefore, it has become a trend to connect various intelligent instruments and equipment to the network to realize the automatic management and resource sharing of the campus.

Therefore, it is necessary to provide a cluster server used in the campus to meet the actual needs of campus management and teaching resource sharing to the greatest extent.

Utility model content

Aiming at the shortcomings of the above-mentioned prior art, the purpose of this utility model is a campus communication cluster server with simple and compact structure, strong function scalability, and the ability to successfully connect many intelligent instruments and equipment to Ethernet.

In order to achieve the above object, the utility model adopts the following technical solutions:

A kind of campus communication cluster server, it comprises at least two serial port servers, all is provided with a main control board and a power conversion board connected between the external power supply and the main control board in each said serial port server, said main control board It is integrated with a microprocessor and a level conversion chip and a network card chip respectively connected to the microprocessor and controlled by the microprocessor. The network card chip is connected to at least one RJ45 network port socket through an isolation transformer. The level conversion The chip is connected with at least one serial port socket;

Each of the serial servers is also provided with a power pinhole and a power plug respectively connected to the power conversion board, and each of the serial servers is connected to an adjacent serial server through its own power pinhole or power plug.

Preferably, the microprocessor is a S3C2440 processor or a CS6209 controller, the network card chip is a DM9000A Ethernet interface chip, the level conversion chip is a MAX232 chip or a MAX3232 chip, and the isolation transformer Including a HR911105A network socket transformer.

Preferably, the serial port server includes a bottom case and an upper cover for encapsulating the main control board and the power conversion board in the bottom case, and the RJ45 network port socket and the serial port socket are both embedded on the side wall of the bottom case, so The power plug is installed on the bottom surface of the bottom case, and the power supply pinhole is arranged on the surface of the upper cover.

Preferably, an SDRAM expansion card and a NORFlash expansion card connected to the main control board are packaged on the side wall of the bottom case.

Due to the adoption of the above scheme, the utility model utilizes the centralized deployment of the microprocessor, and cooperates with multiple serial port sockets and RJ45 network port seats, so that the server can connect many smart devices (such as office teaching equipment, catering management equipment, campus Security management equipment) etc. are connected to the Ethernet, and realize the two-way transmission of serial port data and Ethernet port data, thereby providing a hardware foundation for campus automation management and data resource sharing; at the same time, through the set power pinhole and power plug, the Multiple serial servers are installed as a whole and realize a unified power supply, which is conducive to upgrading the hardware of the entire server or expanding its functions.

Description of drawings

Fig. 1 is the functional block diagram of the control system of the utility model embodiment;

Fig. 2 is the structural representation of the serial port server of the utility model embodiment;

FIG. 3 is a schematic exploded view of the structure of the serial port server according to the embodiment of the present invention.

detailed description

The embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, but the utility model can be implemented in various ways defined and covered by the claims.

As shown in Figures 1 to 3, a campus communication cluster server provided by the embodiment of the present invention includes at least two serial port servers, each of which is provided with a main control board 1 and one connected to an external power supply and The power conversion board 2 between the main control boards 1 is integrated with a microprocessor a and a level conversion chip b and a network card chip c respectively connected to the microprocessor a and controlled by the microprocessor a on the main control board 1 , the network card chip c is connected to at least one RJ45 network port socket 3 through an isolation transformer d, and the level conversion chip b is connected to at least one serial port socket 4; at the same time, each serial port server is also provided with a power supply connected to the power conversion board 2 respectively pinhole 5 and power plug 6, each serial port server is connected to the adjacent serial port server through its own power supply pinhole 5 or power plug 6. In this way, using the centralized deployment of the microprocessor a, combined with multiple serial port sockets 4 and RJ45 network port sockets 3, the server can connect many smart devices (such as office teaching equipment, catering management equipment, campus security management equipment) etc. to connect to the Ethernet, and realize the two-way transmission of serial port data and Ethernet port data, thereby providing a hardware foundation for campus automation management and data resource sharing; at the same time, through the set power pinhole 5 and power plug 6, multiple The serial port server is installed as a whole and realizes a unified power supply, which is conducive to upgrading the hardware of the entire server or expanding its functions.

In order to optimize the performance of each serial port server, the preferred S3C2440 type processor or CS6209 type controller for the microprocessor a of the present embodiment, the network card chip c is a DM9000A type Ethernet interface chip, and the level conversion chip b is a MAX232 type chip or MAX3232 type chip, the isolation transformer d consists of a

HR911105A network socket transformer.

In order to facilitate the expansion and upgrading of cluster servers and the assembly between serial servers, the serial server of this embodiment includes a bottom case 7 and an upper cover 8 for encapsulating the main control board a and the power conversion board b in the bottom case 7 , RJ45 network port seat 3 and serial port socket 4 are all embedded on the side wall of the bottom case 7, the power plug 6 is installed on the bottom surface of the bottom case 7, and the power supply pinhole 5 is arranged on the surface of the upper cover 8. Therefore, when adding a serial port server, its power plug 6 can be directly plugged into the power supply pinhole 5 of the adjacent serial port server.

In order to avoid the mismatch between network data transmission and serial port data transmission rate, SDRAM expansion card 9 and NORFlash expansion card 10 connected to main control board 1 (specifically microprocessor a) are packaged on the side wall of bottom case 7 .

The above is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structure or equivalent process conversion made by using the specification of the utility model and the contents of the accompanying drawings may be directly or indirectly used in Other relevant technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (4)

1. A campus communication cluster server is characterized in that: it comprises at least two serial port servers, each of which is provided with a main control board and a power conversion board connected between the external power supply and the main control board , the main control board is integrated with a microprocessor, a level conversion chip and a network card chip respectively connected to the microprocessor and controlled by the microprocessor, and the network card chip is connected to at least one RJ45 network port seat through an isolation transformer , the level conversion chip is connected to at least one serial port socket; Each of the serial servers is also provided with a power pinhole and a power plug respectively connected to the power conversion board, and each of the serial servers is connected to an adjacent serial server through its own power pinhole or power plug. 2. a kind of campus communication cluster server as claimed in claim 1, is characterized in that: described microprocessor is S3C2440 type processor or CS6209 type controller, and described network card chip is DM9000A type Ethernet interface chip, and described The level conversion chip is a MAX232 chip or a MAX3232 chip, and the isolation transformer includes a HR911105A network socket transformer. 3. A kind of campus communication cluster server as claimed in claim 2, characterized in that: the serial port server includes a bottom case and an upper cover for encapsulating the main control board and the power conversion board in the bottom case, and the RJ45 Both the network port seat and the serial port socket are embedded on the side wall of the bottom case, the power plug is installed on the bottom surface of the bottom case, and the power supply pinhole is arranged on the surface of the upper cover. 4. A kind of campus communication cluster server as claimed in claim 3, is characterized in that: the side wall of described bottom case is also packaged with SDRAM expansion card and NORFlash expansion card connected with main control board.