CN219919089U - Intelligent auxiliary control terminal based on double CPU modes - Google Patents
Intelligent auxiliary control terminal based on double CPU modes Download PDFInfo
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- CN219919089U CN219919089U CN202321452746.7U CN202321452746U CN219919089U CN 219919089 U CN219919089 U CN 219919089U CN 202321452746 U CN202321452746 U CN 202321452746U CN 219919089 U CN219919089 U CN 219919089U
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Abstract
The utility model relates to the technical field of power distribution automation, and provides an intelligent auxiliary control terminal based on a double CPU mode, which comprises the following components: the terminal comprises a terminal case, a front panel, a power panel, a main CPU control panel, a secondary CPU auxiliary panel, an on-off acquisition panel, an alternating current acquisition panel, a serial port communication panel and a communication bus panel, wherein the front panel, the power panel, the main CPU control panel, the secondary CPU auxiliary panel, the on-off acquisition panel, the alternating current acquisition panel, the serial port communication panel and the communication bus panel are arranged on the terminal case; the power panel supplies power for the system; the on-off acquisition board is arranged on the side surface of the power panel and is used for acquiring switching value data and outputting control commands; the serial communication board is arranged on the side surface of the input/output acquisition board and is connected with the auxiliary board of the CPU through the communication bus board for expanding communication; the main CPU control board is arranged on the side face of the serial port communication board, is connected with the power distribution main station for communication, and processes electric quantity data; the auxiliary CPU board is arranged on the side surface of the main CPU control board and is used for collecting and processing communication data; the alternating current acquisition board is arranged on the side surface of the auxiliary board of the CPU and used for acquiring the electrical quantity data of the alternating current; the communication bus board is respectively connected with each component to realize communication data transmission.
Description
Technical Field
The utility model relates to the technical field of power distribution automation, in particular to an intelligent auxiliary control terminal based on a double CPU mode.
Background
Along with the promotion and perfection of electric power construction, in order to realize safe operation and remote monitoring operation states of places such as power distribution stations, transformer substations, photovoltaic power stations and the like, a large number of auxiliary acquisition terminal equipment is matched and used, and a large number of auxiliary data are generated. How to effectively collect and upload these auxiliary data is a problem to be solved.
The conventional power distribution terminal only supports a small number of serial ports due to the limited CPU calculation power or cost problem, and limits the data forwarding capability of a large number of auxiliary acquisition terminals in a transformer area, so that a plurality of power distribution terminals are used for cascading or parallel uploading in a part of areas, the equipment cost is increased, and the number of communication channels of a power distribution main station is occupied.
Disclosure of Invention
The utility model aims to solve at least one technical problem in the background technology and provides an intelligent auxiliary control terminal based on a double CPU mode.
In order to achieve the above object, the present utility model provides an intelligent auxiliary control terminal based on a dual CPU mode, comprising: the terminal comprises a terminal case, a front panel, a power panel, a main CPU control panel, a secondary CPU auxiliary panel, an on-off acquisition panel, an alternating current acquisition panel, a serial port communication panel and a communication bus panel, wherein the front panel, the power panel, the main CPU control panel, the secondary CPU auxiliary panel, the on-off acquisition panel, the alternating current acquisition panel, the serial port communication panel and the communication bus panel are arranged on the terminal case;
the power panel is connected with an external power supply to supply power for the terminal system;
the on-off acquisition board is arranged on the side surface of the power panel and is used for acquiring switching value data and outputting control commands;
the serial port communication board is arranged on the side surface of the input/output acquisition board and is connected with the auxiliary CPU board through the communication bus board for expanding communication;
the main CPU control board is arranged on the side face of the serial port communication board, is connected with the power distribution main station for communication, and processes electric quantity data;
the auxiliary CPU board is arranged on the side surface of the main CPU control board and used for collecting and processing communication data;
the alternating current acquisition board is arranged on the side surface of the auxiliary board of the secondary CPU and used for acquiring alternating current electric quantity data;
the communication bus board is respectively connected with the front panel, the power panel, the main CPU control panel, the auxiliary CPU board, the on-off acquisition board, the alternating current acquisition board and the serial port communication board to realize communication data transmission.
According to one aspect of the utility model, the device comprises a plurality of the opening/closing collecting boards, a plurality of the serial port communication boards and a plurality of the alternating current collecting boards, wherein the opening/closing collecting boards are arranged in parallel, the serial port communication boards are arranged in parallel, and the alternating current collecting boards are arranged in parallel.
According to one aspect of the utility model, the slave CPU auxiliary board is connected with the serial port communication board through the communication bus board, so that serial port quantity expansion is realized.
According to one aspect of the utility model, the main CPU control board is connected with the alternating current acquisition board and the opening/closing acquisition board through the communication bus board and is used for processing voltage and current sampling data of the alternating current acquisition board and switching sampling data of the opening/closing acquisition board.
According to one aspect of the present utility model, the front panel includes a liquid crystal screen, control keys and indicator lamps respectively connected to the main CPU control board.
According to one aspect of the utility model, the serial port communication board is provided with 16 groups of RS-485/232 multiplexing serial ports.
According to one aspect of the utility model, the main CPU control board comprises 2 Ethernet ports and 4 groups of RS-485/232 serial ports.
According to one aspect of the utility model, the slave CPU auxiliary board comprises 2 Ethernet ports and 4 groups of RS-485/232 serial ports.
According to one aspect of the utility model, the on-off acquisition board comprises an analog acquisition chip for acquiring 10 groups of hard contact on-off states and 4 groups of control outlets.
According to one aspect of the utility model, the ac acquisition board includes an ac acquisition chip that supports acquisition of 4 sets of ac voltages and 4 sets of ac current loop electrical quantities.
According to the scheme of the utility model, the data of the intelligent auxiliary control terminal can be displayed in real time, and the control instruction can be input in situ through the key function.
According to the scheme of the utility model, the remote control system has a large number of RS485/232 serial ports, has an encrypted communication function with a master station, can be effectively connected into a large number of auxiliary control acquisition terminals of a power distribution station, and simultaneously integrates remote signaling, remote measuring, remote control and relay protection functions of a conventional power distribution terminal. According to the utility model, the intelligent auxiliary control terminal based on the double CPU modes is of a master-slave type CPU structure, and uses a cascade mode to perform data coupling, so that the main CPU can rapidly acquire data acquired from the CPU, and forwarding of a large amount of acquired data is more rapid and accurate.
Drawings
Fig. 1 schematically shows a block diagram of the structural arrangement of an intelligent auxiliary control terminal based on a dual CPU mode according to an embodiment of the present utility model.
Detailed Description
The present disclosure will now be discussed with reference to exemplary embodiments. It should be understood that the embodiments discussed are merely to enable those of ordinary skill in the art to better understand and thus practice the teachings of the present utility model and do not imply any limitation on the scope of the utility model.
As used herein, the term "comprising" and variants thereof are to be interpreted as meaning "including but not limited to" open-ended terms. The term "based on" is to be interpreted as "based at least in part on". The terms "one embodiment" and "an embodiment" are to be interpreted as "at least one embodiment.
Fig. 1 schematically shows a block diagram of the structural arrangement of an intelligent auxiliary control terminal based on a dual CPU mode according to an embodiment of the present utility model. As shown in fig. 1, in this embodiment, the dual CPU mode-based intelligent auxiliary control terminal according to the present utility model includes:
the terminal comprises a terminal case, a front panel, a power panel, a main CPU control panel, a secondary CPU auxiliary panel, an on-off acquisition panel, an alternating current acquisition panel, a serial port communication panel and a communication bus panel, wherein the front panel, the power panel, the main CPU control panel, the secondary CPU auxiliary panel, the on-off acquisition panel, the alternating current acquisition panel, the serial port communication panel and the communication bus panel are arranged on the terminal case;
the power panel is connected with an external power supply to supply power for the terminal system;
the on-off acquisition board is arranged on the side surface of the power panel and is used for acquiring switching value data and outputting control commands;
the serial communication board is arranged on the side surface of the input/output acquisition board and is connected with the auxiliary board of the CPU through the communication bus board for expanding communication;
the main CPU control board is arranged on the side face of the serial port communication board, is connected with the power distribution main station for communication, and processes electric quantity data;
the auxiliary CPU board is arranged on the side surface of the main CPU control board and is used for collecting and processing communication data;
the alternating current acquisition board is arranged on the side surface of the auxiliary board of the CPU and used for acquiring the electrical quantity data of the alternating current;
the communication bus board is respectively connected with the front panel, the power panel, the main CPU control panel, the auxiliary CPU board, the on-off acquisition board, the alternating current acquisition board and the serial communication board, so that communication data transmission is realized.
Specifically, in this embodiment, based on the intelligent auxiliary control terminal of dual CPU mode, including 4U metal chassis, front panel, power panel, main CPU control panel, auxiliary board from CPU, serial communication board, open and close collection board, exchange collection board and communication bus board.
In this embodiment, the communication bus board is fixed on the back inside the metal case, and the power panel, the main CPU control panel, the auxiliary CPU panel, the serial communication panel, the on-off acquisition board, and the ac acquisition board are all plugged into the slots of the communication bus board.
The front panel consists of a liquid crystal screen, keys and an indicator lamp, is fixed in front of the outer part of the metal case, is connected with a main CPU control board through a communication bus board, displays all remote signaling, remote measuring and electric energy data of a platform area in real time, and has the functions of applying control instructions locally and modifying fixed value parameters.
The power panel provides power for the whole terminal and supports 100-260V AC power input or 24-54V DC power input.
The on-off acquisition board comprises an analog acquisition chip, can acquire the on-off state of 10 groups of hard contacts, and controls the outlet of 4 groups. In this embodiment, the on/off acquisition board is in an extensible mode, as shown in fig. 1, and the intelligent auxiliary control terminal based on the dual-CPU mode can support 4 on/off acquisition boards at maximum. The on-off acquisition board is in communication interaction with the main CPU control board through the communication bus board, transmits a switch on-off signal to the main CPU control board, and responds to a main CPU control board command.
The alternating current collection board comprises alternating current collection chips, and each alternating current collection board supports collection of 4 groups of alternating current voltages and 4 groups of alternating current loop electric quantity. In this embodiment, the ac acquisition board is in an expandable mode, as shown in fig. 1, and the intelligent auxiliary control terminal based on the dual-CPU mode can support 5 ac acquisition boards at maximum. The alternating current acquisition board is in communication interaction with the main CPU control board through the communication bus board, and the acquired electric quantity is converted into a digital signal and is transmitted to the main CPU control board for data processing.
As shown in FIG. 1, the serial port communication boards are in an extensible mode, each serial port communication board is provided with 16 groups of RS-485/232 multiplexing serial ports and is used for a protocol extension channel of the CPU auxiliary board, so that communication acquisition of auxiliary acquisition terminal data of a platform area with various communication protocols is realized. As shown in FIG. 1, the intelligent auxiliary control terminal based on the dual CPU mode according to the utility model supports 2 serial communication boards at most, and completely meets the data acquisition of a conventional platform area.
The auxiliary board of the slave CPU comprises 2 Ethernet ports and 4 groups of RS-485/232 serial ports, is connected with the serial port communication board through the communication bus board, uses the serial ports to send and receive messages, performs data interaction with different auxiliary terminals, collects and performs protection control and intelligent management on the auxiliary terminals according to received data, and forwards the data to the main CPU control board.
The main CPU control board comprises 2 Ethernet ports and 4 groups of RS-485/232 serial ports, can perform data interaction with the power distribution main station through the Ethernet or the serial ports, send the data of the station area, and receive the management and control command of the main station. The main CPU control board effectively controls and monitors the running state of the platform area through calculation processing by collecting the on-off state, the auxiliary contact state and the voltage electric quantity of the platform area switch.
In the embodiment, the main CPU control board receives the data information sent from the auxiliary CPU board in real time, and forwards the data information to the power distribution main station, and rapidly responds to the control command of the power distribution main station, so that the monitoring and management of the power distribution main station on the running state of the station area are ensured. The main CPU control board and the auxiliary CPU board are mutually independent in calculation and processing data, so that the data safety and the stable operation of the terminal are ensured.
According to the scheme provided by the utility model, the data of the intelligent auxiliary control terminal can be displayed in real time, and the control instruction can be input in situ through the key function.
According to the scheme, the remote control system has a large number of RS485/232 serial ports, has an encrypted communication function with a master station, can be effectively connected into a large number of auxiliary control acquisition terminals of a power distribution station, and integrates remote signaling, remote measuring, remote control and relay protection functions of a conventional power distribution terminal. According to the utility model, the intelligent auxiliary control terminal based on the double CPU modes is of a master-slave type CPU structure, and uses a cascade mode to perform data coupling, so that the main CPU can rapidly acquire data acquired from the CPU, and forwarding of a large amount of acquired data is more rapid and accurate.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (10)
1. Based on two CPU mode intelligence auxiliary control terminals, its characterized in that includes: the terminal comprises a terminal case, a front panel, a power panel, a main CPU control panel, a secondary CPU auxiliary panel, an on-off acquisition panel, an alternating current acquisition panel, a serial port communication panel and a communication bus panel, wherein the front panel, the power panel, the main CPU control panel, the secondary CPU auxiliary panel, the on-off acquisition panel, the alternating current acquisition panel, the serial port communication panel and the communication bus panel are arranged on the terminal case;
the power panel is connected with an external power supply to supply power for the terminal system;
the on-off acquisition board is arranged on the side surface of the power panel and is used for acquiring switching value data and outputting control commands;
the serial port communication board is arranged on the side surface of the input/output acquisition board and is connected with the auxiliary CPU board through the communication bus board for expanding communication;
the main CPU control board is arranged on the side face of the serial port communication board, is connected with the power distribution main station for communication, and processes electric quantity data;
the auxiliary CPU board is arranged on the side surface of the main CPU control board and used for collecting and processing communication data;
the alternating current acquisition board is arranged on the side surface of the auxiliary board of the secondary CPU and used for acquiring alternating current electric quantity data;
the communication bus board is respectively connected with the front panel, the power panel, the main CPU control panel, the auxiliary CPU board, the on-off acquisition board, the alternating current acquisition board and the serial port communication board to realize communication data transmission.
2. The intelligent auxiliary control terminal based on the dual-CPU mode according to claim 1, comprising a plurality of the on-off acquisition boards, a plurality of the serial communication boards and a plurality of the alternating current acquisition boards, wherein the on-off acquisition boards are arranged in parallel, the serial communication boards are arranged in parallel, and the alternating current acquisition boards are arranged in parallel.
3. The intelligent auxiliary control terminal based on the double CPU modes according to claim 1, wherein the auxiliary CPU board is connected with the serial port communication board through the communication bus board to realize serial port quantity expansion.
4. The intelligent auxiliary control terminal based on the dual-CPU mode according to claim 1, wherein the main CPU control board is connected with the alternating current acquisition board and the on-off acquisition board through the communication bus board and is used for processing voltage and current sampling data of the alternating current acquisition board and switching sampling data of the on-off acquisition board.
5. The dual CPU mode based intelligent auxiliary control terminal of claim 1, wherein the front panel includes a liquid crystal screen, control keys and indicator lights respectively connected to the main CPU control board.
6. The intelligent auxiliary control terminal based on the dual-CPU mode according to claim 1, wherein the serial port communication board is provided with 16 groups of RS-485/232 multiplexing serial ports.
7. The dual CPU mode based intelligent auxiliary control terminal of claim 1, wherein the main CPU control board comprises 2 ethernet ports, 4 sets of RS-485/232 serial ports.
8. The intelligent auxiliary control terminal based on the double CPU modes according to claim 1, wherein the auxiliary board of the auxiliary CPU comprises 2 Ethernet ports and 4 groups of RS-485/232 serial ports.
9. The intelligent auxiliary control terminal based on the dual-CPU mode according to claim 8, wherein the on-off acquisition board comprises an analog acquisition chip for acquiring 10 groups of hard contact on-off states and 4 groups of control outlets.
10. The dual CPU mode based intelligent auxiliary control terminal according to any of claims 1-9, wherein the ac acquisition board comprises an ac acquisition chip supporting acquisition of 4 sets of ac voltages and 4 sets of ac current loop electrical quantities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321452746.7U CN219919089U (en) | 2023-06-06 | 2023-06-06 | Intelligent auxiliary control terminal based on double CPU modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321452746.7U CN219919089U (en) | 2023-06-06 | 2023-06-06 | Intelligent auxiliary control terminal based on double CPU modes |
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| Publication Number | Publication Date |
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| CN219919089U true CN219919089U (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321452746.7U Active CN219919089U (en) | 2023-06-06 | 2023-06-06 | Intelligent auxiliary control terminal based on double CPU modes |
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| CN (1) | CN219919089U (en) |
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2023
- 2023-06-06 CN CN202321452746.7U patent/CN219919089U/en active Active
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