CN209767544U - communication management machine - Google Patents

Abstract

The utility model discloses a communication management machine, include: the system comprises a core control unit, and an RS485/RS232 communication unit, a CAN bus unit, a data encryption unit, a network communication unit and an optical network communication unit which are connected with the core control unit; the core control unit is an A8 processor of AM335x series, and the data encryption unit is a data encryption module SGC 1120A. The utility model discloses a communication management machine core control unit chooses AM335x series's A8 treater for use, and AM335x series's A8 treater is equipped with abundant interface and higher data processing ability, can increase the interface quantity of communication management machine, abundant the interface function of communication management machine strengthens the expansion capacity of communication management machine.

Description

Communication management machine

Technical Field

The utility model relates to the field of communication technology, especially, relate to a communication management machine.

Background

the communication management machine is generally applied to a substation or a dispatching station, is equivalent to a monitoring computer, controls downlink equipment through a control platform, realizes acquisition of information such as remote signaling, remote measurement and remote control, and feeds back the information to a dispatching center. The control center administrator then selects the command to be executed through a processing analysis of the message. After receiving the command sent by the background machine, the communication management machine forwards the command to an intelligent series unit in the substation to complete parameter setting of various devices in the station, so that remote control and remote regulation functions are realized.

at present, the number of interfaces of the communication management machine on the market is small, the expansion capability is not strong, and the communication management machine cannot adapt to new technical requirements. Moreover, the communication manager is easily invaded by an external network during data transmission, and the security of the data cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a power control device to solve above-mentioned problem.

The utility model discloses a realize through following technical scheme:

a communication manager, comprising:

The system comprises a core control unit, and an RS485/RS232 communication unit, a CAN bus unit, a data encryption unit, a network communication unit and an optical network communication unit which are connected with the core control unit;

the core control unit is an A8 processor of AM335x series, and the data encryption unit is a data encryption module SGC 1120A.

Compared with the prior art, the utility model discloses a communication management machine core control unit chooses AM335x series's A8 treater for use, and AM335x series's A8 treater is equipped with abundant interface and higher data processing ability, can increase the interface quantity of communication management machine is abundant the interface function of communication management machine strengthens the expansion capacity of communication management machine. Moreover, the data encryption unit of the communication manager is a data encryption module SGC1120A, and the data encryption module SGC1120A is a data encryption module dedicated to the national network, so that the security of data transmission of the communication manager is ensured.

Furthermore, the utility model discloses a communication management machine includes 4 ways net gapes and 2 ways optical network mouths, and every way net gape or optical port all have 1 IP address and MAC address, then communication management machine can set up the IP address of 6 different network segments and carry out data communication with other equipment. The first optical network port and the second optical network port are both KSZ8041FTLI chips, can respectively access the equipment into different master station systems through 2 paths of optical networks, can meet the requirements of long-distance and high-speed communication, and is convenient for the master station system to manage the equipment in the substation.

drawings

Fig. 1 is a schematic structural diagram of a communication manager disclosed in an embodiment of the present invention;

Fig. 2 is a schematic view of a connection structure between a data encryption unit and a core control unit of a communication manager according to an embodiment of the present invention;

Fig. 3 is a schematic view of the structure of the RS485/RS232 communication unit of the communication manager and the connection structure between the RS485/RS232 communication unit and the core control unit disclosed in the embodiment of the present invention;

Fig. 4 is a schematic view of a CAN bus unit structure of a communication manager and a connection structure between the CAN bus unit and a core control unit disclosed in the embodiment of the present invention;

fig. 5 is a schematic diagram of a network communication unit structure of a communication manager and a connection structure between the network communication unit and a core control unit according to an embodiment of the present invention;

Fig. 6 is a schematic diagram of an optical network communication unit structure of a communication manager and a connection structure between the optical network communication unit and a core control unit according to an embodiment of the present invention.

Detailed Description

the embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

the embodiment of the invention discloses a communication manager, as shown in fig. 1, comprising:

The system comprises a core control unit, and an RS485/RS232 communication unit, a CAN bus unit, a data encryption unit, a network communication unit and an optical network communication unit which are connected with the core control unit;

The core control unit is a core component of the communication manager, and is used for coordination and control of all other units, and in this embodiment, the core control unit is an a8 processor of the AM335x series. The data encryption unit is a data encryption module SGC 1120A.

Further, as shown in fig. 2, the data encryption unit of the communication manager is connected to the SPI bus and the I/O interface of the core control unit through the encryption module power control circuit and the encryption module SPI bus circuit, respectively. The encryption module power supply control circuit is used for obtaining power supply for the data encryption unit, the encryption module SPI bus circuit is used for encrypted data transmission between the data encryption unit and the core control unit, and the data encryption unit mainly has the functions of encrypting interactive data for the communication manager and data sent to the master station system in real time.

As shown in fig. 3, the RS485/RS232 communication unit includes 16RS485/RS232 isolation driving circuits (an RS485 isolation driving circuit and an RS232 isolation driving circuit), and the core control unit performs data interaction with devices in the substation through the RS485/RS232 isolation driving circuit.

The No. 1, No. 2, No. 3 and No. 4RS485/RS232 isolation driving circuits in the 16 paths of RS485/RS232 isolation driving circuits are connected with the connector of the core control unit; the 5 th, 6 th, 7 th and 8 th RS485/RS232 isolation driving circuits are connected with an SPI interface of the core control unit connector through an SPI-to-4-way serial driving circuit; the 9 th, 10 th, 11 th and 12 th RS485/RS232 isolation driving circuits are connected with the first USB port of the core control unit connector through a first USB-to-4-way serial port driving circuit and a first USB-HUB driving circuit in sequence; and the 13 th, 14 th, 15 th and 16 th RS485/RS232 isolation driving circuits are connected with the second USB port of the core control unit connector through a second USB-to-4-way serial port driving circuit and a second USB-HUB driving circuit in sequence. The 16RS485/RS232 isolation driving circuits have the main function of carrying out data interaction with equipment with an RS485/RS232 interface (an RS485 interface or an RS232 interface) in a substation or a dispatching station.

As shown in fig. 4, the CAN bus unit includes:

the first CAN bus is connected with the connector of the core control unit through a first CAN isolation circuit;

And the second CAN bus is connected with the connector of the core control unit through a second CAN isolation circuit.

The CAN bus units are realized by the CAN function of the core control unit, and the two CAN buses mainly carry out data interaction with equipment with CAN interfaces in a substation or a dispatching station.

As shown in fig. 5, the network communication unit includes:

the first uplink network interface is connected with the connector of the core control unit through a third USB port HUB drive circuit;

the second uplink network interface is connected with the connector of the core control unit through the first USB network port switching drive circuit and the third USB network port HUB drive circuit in sequence;

The third uplink network interface is connected with the connector of the core control unit through a fourth USB port HUB drive circuit;

And the fourth uplink network interface is connected with the connector of the core control unit sequentially through the second USB network port driving circuit and the fourth USB network port HUB driving circuit.

The main function of the optical network communication unit is to upload the summarized data to the master station system in real time.

as shown in fig. 6, the optical network communication unit includes:

the first optical network port is connected with the connector of the core control unit through an RMII network port driving circuit;

and the second optical network port is connected with the connector of the core control unit through an RMII network port driving circuit.

And the first optical network port and the second optical network port are both KSZ8041FTLI chips.

The main function of the optical network communication unit is to transmit the summarized data which needs to be transmitted in a long distance to the master station system in real time.

Therefore, the communication manager obtains data of downlink equipment in the substation or the dispatching station through the RS485/RS232 communication unit and the CAN bus unit, gathers the data, encrypts the data through the data encryption unit, and uploads the encrypted data to the master station system through the network communication unit or the optical network communication unit in real time.

The embodiment of the utility model discloses communication supervisor core control unit chooses AM335x series's A8 treater for use, and AM335x series's A8 treater is equipped with abundant interface and higher data processing ability, can increase the interface quantity of communication supervisor is abundant the interface function of communication supervisor strengthens the expansion capacity of communication supervisor. Moreover, the data encryption unit of the communication manager is a data encryption module SGC1120A, and the data encryption module SGC1120A is a data encryption module dedicated to the national network, so that the security of data transmission of the communication manager is ensured.

Furthermore, the embodiment of the utility model discloses communication management machine includes 4 ways net gapes and 2 ways optical network mouths, and every way net gape or optical port all have 1 IP address and MAC address, then communication management machine can set up the IP address of 6 different network segments and carry out data communication with other equipment. The first optical network port and the second optical network port are both KSZ8041FTLI chips, can respectively access the equipment into different master station systems through 2 paths of optical networks, can meet the requirements of long-distance and high-speed communication, and is convenient for the master station system to manage the equipment in the substation.

the sequence of the above embodiments is only for convenience of description and does not represent the advantages and disadvantages of the embodiments.

finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (8)

1. a communication manager, comprising:

the system comprises a core control unit, and an RS485/RS232 communication unit, a CAN bus unit, a data encryption unit, a network communication unit and an optical network communication unit which are connected with the core control unit;

the core control unit is an A8 processor of AM335x series, and the data encryption unit is a data encryption module SGC 1120A.

2. The communication manager according to claim 1, wherein the data encryption unit is connected to the core control unit through an encryption module power control circuit and an encryption module SPI bus circuit, respectively, wherein the encryption module power control circuit is configured to obtain power for the data encryption unit, and the encryption module SPI bus circuit is configured to transmit encrypted data between the data encryption unit and the core control unit.

3. The communication manager according to claim 1, wherein the RS485/RS232 communication unit includes 16RS485/RS232 isolation driving circuits, and the core control unit performs data interaction with the downlink device through the RS485/RS232 isolation driving circuits.

4. The communication manager according to claim 3, wherein the 1 st, 2 nd, 3 rd and 4 th RS485/RS232 isolation driving circuits in the 16RS485/RS232 isolation driving circuits are connected with the connector of the core control unit; the 5 th, 6 th, 7 th and 8 th RS485/RS232 isolation driving circuits are connected with an SPI interface of the core control unit connector through an SPI-to-4-way serial driving circuit; the 9 th, 10 th, 11 th and 12 th RS485/RS232 isolation driving circuits are connected with the first USB port of the core control unit connector through a first USB-to-4-way serial port driving circuit and a first USB-HUB driving circuit in sequence; and the 13 th, 14 th, 15 th and 16 th RS485/RS232 isolation driving circuits are connected with the second USB port of the core control unit connector through a second USB-to-4-way serial port driving circuit and a second USB-HUB driving circuit in sequence.

5. The communication manager according to claim 1, wherein the CAN bus unit comprises:

The first CAN bus is connected with the connector of the core control unit through a first CAN isolation circuit;

And the second CAN bus is connected with the connector of the core control unit through a second CAN isolation circuit.

6. The communication manager according to claim 1, wherein the network communication unit comprises:

The first uplink network interface is connected with the connector of the core control unit through a third USB port HUB drive circuit;

the second uplink network interface is connected with the connector of the core control unit through the first USB network port switching drive circuit and the third USB network port HUB drive circuit in sequence;

The third uplink network interface is connected with the connector of the core control unit through a fourth USB port HUB drive circuit;

And the fourth uplink network interface is connected with the connector of the core control unit sequentially through the second USB network port driving circuit and the fourth USB network port HUB driving circuit.

7. The communication manager according to claim 1, wherein the optical network communication unit comprises:

The first optical network port is connected with the connector of the core control unit through an RMII network port driving circuit;

and the second optical network port is connected with the connector of the core control unit through an RMII network port driving circuit.

8. the communication manager of claim 7, wherein the first optical network port and the second optical network port are both KSZ8041FTLI chips.