CN214799534U

CN214799534U - Multi-protocol communication conversion module based on feeder terminal telemechanical transmission

Info

Publication number: CN214799534U
Application number: CN202121369179.XU
Authority: CN
Inventors: 齐钊阳
Original assignee: Zhengzhou Boyuan Intelligent Technology Co ltd
Current assignee: Zhengzhou Boyuan Intelligent Technology Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-11-19
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a many protocols communication conversion module based on feeder terminal telemechanical transmission relates to information transmission technical field, including telemechanical terminal, feeder terminal device and communication conversion equipment, communication conversion equipment's connection port is provided with RS/RS interface, network interface and CAN interface, communication conversion equipment's transmission end electric connection has telemechanical terminal, telemechanical terminal's output electric connection has feeder terminal device, RS/RS interface signal connection has the downlink equipment that possesses the Modbus agreement. The utility model discloses a set up communication conversion equipment, telemechanical terminal and feeder terminating set, the communication module function of having solved current device is too single, can not in time receive power plant or transformer substation's sign electric power system running state's analog quantity and quantity of state effectively, monitors and to these analog quantity and quantity of state of main website conveying, carries out the main website to the problem that place power plant or transformer substation send control and adjustment command.

Description

Multi-protocol communication conversion module based on feeder terminal telemechanical transmission

Technical Field

The utility model relates to an information transmission technical field, concretely relates to many conventions communication conversion module based on feeder terminal telemechanical transmission.

Background

The module is an independent hardware circuit board with specific functions, different complete functions can be realized by combining with peripheral hardware through a connector or a welding mode, for example, a communication module can be a mobile phone by connecting a screen, a keyboard and an earphone microphone, the same communication module can be a vehicle-mounted T-Box by connecting to an automobile circuit, and the telecontrol terminal is a telecontrol device installed in a power plant or a transformer substation in a power grid monitoring and control system, and is called RTU for short. The RTU collects the analog quantity and the state quantity of the power plant or the substation representing the running state of the power system, monitors and transmits the analog quantity and the state quantity to the main station, and the main station is executed to send control and regulation commands to the power plant or the substation.

Distribution switch monitor terminal (FTU for short), have the remote control, the telemetering measurement, the remote signaling, the fault detection function, and communicate with distribution automation master station, provide distribution system operational aspect and various parameter and monitor control required information, parameter when including on-off state, the electric energy parameter, interphase fault, earth fault and trouble, and the order of carrying out distribution master station and issuing, adjust and control distribution equipment, realize functions such as fault location, fault isolation and regional quick recovery power supply of non-trouble, current communication module is when using, often receive self function restriction, can't reach required effect.

The following problems exist in the prior art:

the communication module of the existing device has too single function, and cannot effectively receive the analog quantity and the state quantity of the power plant or the substation representing the operation state of the power system in time, monitor and transmit the analog quantity and the state quantity to the master station, and execute the master station to send a control and adjustment command to the power plant or the substation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a many conventions communication conversion module based on feeder terminal telemechanical transmission, one of them purpose is in order to possess communication conversion equipment, telemechanical terminal and feeder terminating set, the communication module function of solving current device is too single, can not in time receive power plant or transformer substation's sign electric power system running state's analog quantity and quantity of state effectively, keep watch on and to main website conveying these analog quantity and quantity of state, carry out the main website to the problem of place power plant or transformer substation send control and adjustment command.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the utility model provides a many conventions communication conversion module based on transmission of feeder terminal telemechanical, includes telemechanical terminal, feeder terminal device and communication conversion equipment, communication conversion equipment's connection port is provided with RS/RS interface, network interface and CAN interface, communication conversion equipment's transmission end electric connection has telemechanical terminal, the output electric connection of telemechanical terminal has feeder terminal device.

RS/RS interface signal connection has the downstream equipment that possesses the Modbus agreement, network interface signal connection has the downstream equipment that possesses the Modbus TCP agreement, CAN interface signal connection has the downstream equipment that possesses the CAN agreement.

The utility model discloses technical scheme's further improvement lies in: the receiving end of the communication conversion device is in communication connection with a control main station, and the receiving end of the telecontrol terminal is electrically connected with a power plant.

By adopting the technical scheme, the telecontrol terminal in the scheme is used for acquiring the information of the power plant and receiving signals for allocation and control.

The utility model discloses technical scheme's further improvement lies in: the functional module of the feeder line terminal device has the functions of remote control, remote measurement, remote signaling and fault detection.

By adopting the technical scheme, the remote control, the remote measurement, the remote signaling and the fault detection in the scheme have the functions of remote command, remote measurement, remote signal and fault detection.

The utility model discloses technical scheme's further improvement lies in: the functional module of the telecontrol terminal has the functions of telecontrol telemetering, telecontrol telesignalling, telecontrol remote control, telecontrol remote regulation, local functions and data communication.

By adopting the technical scheme, the local function in the scheme refers to the capability of monitoring and controlling the power grid by the RTU through the display and recording equipment of the RTU or the connected display and recording equipment. For a larger station on duty, if a monitor, a printer and the like are matched, the functions of displaying, reporting and printing, out-of-limit warning, event sequence recording, time synchronization and forwarding can be completed.

The utility model discloses technical scheme's further improvement lies in: the functional module of the communication conversion device has a point-to-point communication mode, a virtual serial port communication mode and a network-based communication mode.

By adopting the technical scheme, the point-to-point communication mode converters in the scheme are used in pairs, one is used as a server side, the other is used as a client side, and the server side and the client side are connected to realize bidirectional transparent transmission of data.

The utility model discloses technical scheme's further improvement lies in: the virtual serial port communication mode is used for establishing connection between one or more converters and a computer, and bidirectional transparent transmission of data is achieved. The following converters are managed by virtual serial port software on a computer, so that the fact that one virtual serial port corresponds to a plurality of converters, N virtual serial ports correspond to M converters (N < ═ M) can be realized, and the virtual serial port communication mode is used for connection of 485 buses or 232 devices controlled by the computer of serial port equipment.

By adopting the technical scheme, the virtual serial port communication mode is suitable for connection of the serial port device through a 485 bus or 232 device controlled by a computer.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides a many conventions communication conversion module based on feeder terminal telemechanical transmission, through setting up telemechanical terminal, through analog quantity and the quantity of state of gathering place power plant or transformer substation sign electric power system running state, keep watch on and to these analog quantity and quantity of state of main website conveying, utilize communication conversion equipment to carry out main website and send control and regulation command to place power plant or transformer substation, make the transmission of instruction rapider.

2. The utility model provides a many conventions communication conversion module based on feeder terminal telemechanical transmission, feeder terminal equipment through setting up, the remote control has, the telemetering measurement, the remote signalling, the fault detection function, and with the communication of distribution automation master station, provide distribution system operational aspect and various parameters and the required information of monitoring control, including on-off state, the electric energy parameter, alternate trouble, parameter when earth fault and trouble, and the order of carrying out distribution main website and issuing, adjust and control distribution equipment, realize fault location, functions such as fault isolation and the regional quick recovery power supply of non-trouble, can in time adjust and control distribution equipment.

Drawings

Fig. 1 is a schematic diagram of the structural information transmission principle of the present invention;

fig. 2 is a schematic structural diagram of a functional module of the feeder terminal device of the present invention;

fig. 3 is a schematic structural diagram of the telemechanical terminal functional module of the present invention;

fig. 4 is a schematic structural diagram of the communication switching device of the present invention.

In the figure: 1. a telemechanical terminal; 2. a feeder terminal device; 3. a communication conversion device; 4. a control master station; 5. a power plant; 6. RS232/RS485 interface; 7. a network interface; 8. a CAN interface; 9. downlink equipment of a Modbus protocol; 10. downlink equipment of a ModbusTCP protocol; 11. and (4) downstream equipment of the CAN protocol.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the utility model provides a many conventions communication conversion module based on transmission of feeder terminal telemechanical, including telemechanical terminal 1, feeder terminal device 2 and communication conversion equipment 3, communication conversion equipment 3's connection port is provided with RS232 RS485 interface 6, network interface 7 and CAN interface 8, communication conversion equipment 3's transmission end electric connection has telemechanical terminal 1, telemechanical terminal 1's output electric connection has feeder terminal device 2, RS232 RS485 interface 6 signal connection has the down equipment 9 that possesses the Modbus agreement, network interface 7 signal connection has the down equipment 10 that possesses the Modbus TCP agreement, CAN interface 8 signal connection has the down equipment 11 that possesses the CAN agreement.

In this embodiment, the feeder terminal device 2 communicates with the remote telemechanical terminal 1 to transmit the operation data of the power distribution equipment to the telemechanical terminal 1, and can also receive the control command of the telemechanical terminal 1 to control and adjust the power distribution equipment, the telemechanical terminal 1 collects the analog quantity and the state quantity representing the operation state of the power system in the power plant 5 or the substation where the telemechanical terminal is located, monitors and transmits the analog quantity and the state quantity to the control master station 4 through the communication conversion device 3, and the control master station 4 is executed to transmit the control and adjustment command to the power plant 5 or the substation where the telemechanical terminal is located.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the receiving end of the communication conversion device 3 is in communication connection with a control master station 4, the receiving end of the telemechanical terminal 1 is electrically connected with a power plant 5, the functional module of the feeder terminal device 2 has functions of remote control, remote measurement, remote signaling and fault detection, the functional module of the telemechanical terminal 1 has functions of telemechanical remote measurement, telemechanical remote control, telemechanical remote regulation, local function and data communication, the functional module of the communication conversion device 3 has a point-to-point communication mode, a virtual serial port communication mode and a network-based communication mode, the virtual serial port communication mode is used for establishing connection between one or more converters and a computer to realize bidirectional transparent transmission of data, the following converters are managed by virtual serial port software on the computer, so that one virtual serial port corresponds to a plurality of converters, and N virtual serial ports correspond to M converters (N < ═ M), and the virtual serial port communication mode is suitable for connection of serial port equipment by 485 buses or 232 equipment controlled by a computer.

In the embodiment, in the point-to-point communication mode, the converters are used in pairs, one converter is used as a server side, the other converter is used as a client side, the two converters and the server side are connected to realize the two-way transparent transmission of data, the virtual serial port communication mode is used, one or more converters are connected with a computer to realize the two-way transparent transmission of data, based on the network communication mode, an application program on the computer writes a communication program based on a SOCKET protocol, and the setting of the converters is directly selected to support the SOCKET protocol.

The working principle of the multi-protocol communication conversion module based on the feeder terminal telemechanical transmission is described in detail below.

As shown in fig. 1-4, the feeder terminal device 2 communicates with the remote terminal 1, and transmits the operation data of the power distribution equipment to the remote terminal 1, and can also receive the control command of the remote terminal 1 to control and adjust the power distribution equipment, the remote terminal 1 collects the analog quantity and state quantity representing the operation state of the power system in the power plant 5 or the substation, monitors and transmits the analog quantity and state quantity to the control master station 4 through the communication conversion device 3, and executes the control and adjustment command transmitted by the control master station 4 to the power plant 5 or the substation, and the control master station 4 receives and transmits information through three communication modes of the communication conversion device 3.

The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. The utility model provides a many conventions communication conversion module based on feeder terminal telemechanical transmission, includes telemechanical terminal (1), feeder terminal device (2) and communication conversion equipment (3), its characterized in that: the connection port of the communication conversion device (3) is provided with an RS232/RS485 interface (6), a network interface (7) and a CAN interface (8), the transmission end of the communication conversion device (3) is electrically connected with a remote control terminal (1), and the output end of the remote control terminal (1) is electrically connected with a feeder terminal device (2);

RS232 RS485 interface (6) signal connection has downstream equipment (9) that possess the Modbus agreement, network interface (7) signal connection has downstream equipment (10) that possess the Modbus TCP agreement, CAN interface (8) signal connection has downstream equipment (11) that possess the CAN agreement.

2. The multi-protocol communication conversion module based on feeder terminal telemechanical transmission as claimed in claim 1, wherein: the receiving end communication of communication conversion equipment (3) is connected with control main website (4), the receiving end electric connection of telemechanical terminal (1) has power plant (5).

3. The multi-protocol communication conversion module based on feeder terminal telemechanical transmission as claimed in claim 1, wherein: the functional module of the feeder line terminal device (2) has the functions of remote control, remote measurement, remote signaling and fault detection.

4. The multi-protocol communication conversion module based on feeder terminal telemechanical transmission as claimed in claim 1, wherein: the functional module of the telecontrol terminal (1) has the functions of telecontrol telemetering, telecontrol telesignalling, telecontrol remote regulating, local functions and data communication.

5. The multi-protocol communication conversion module based on feeder terminal telemechanical transmission as claimed in claim 1, wherein: the functional module of the communication conversion device (3) has a point-to-point communication mode, a virtual serial port communication mode and a network-based communication mode.

6. The multi-protocol communication conversion module based on feeder terminal telemechanical transmission as claimed in claim 5, wherein: the virtual serial port communication mode is used for establishing connection between one or more converters and a computer to realize bidirectional transparent transmission of data, the converters below the virtual serial port software on the computer manages the converters, one virtual serial port corresponds to the converters, N virtual serial ports correspond to M converters, N < ═ M, and the virtual serial port communication mode is suitable for connection of 485 buses or 232 devices of serial port devices controlled by the computer.