CN214900346U - Transformer substation monitoring control system - Google Patents

Transformer substation monitoring control system Download PDF

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Publication number
CN214900346U
CN214900346U CN202023338724.7U CN202023338724U CN214900346U CN 214900346 U CN214900346 U CN 214900346U CN 202023338724 U CN202023338724 U CN 202023338724U CN 214900346 U CN214900346 U CN 214900346U
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China
Prior art keywords
monitoring
control system
processing unit
central processing
substation
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CN202023338724.7U
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Chinese (zh)
Inventor
郑贵林
朱庆金
周堪准
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Suntrans Intelligence & Equipment Co ltd
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Suntrans Intelligence & Equipment Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16—Electric power substations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Abstract

The utility model discloses a transformer substation monitoring control system, including integration control central processing unit and a plurality of monitor terminal, be provided with the monitor terminal interface on the integration control central processing unit, monitor terminal and monitor terminal interface connection, monitor terminal include treater, switching value relay drive circuit, switching value detection circuitry and wireless communication module, and the treater is connected with switching value relay drive circuit, and the treater is connected with switching value detection circuitry, and the treater is connected with wireless communication module. The embodiment of the utility model provides a detect the on-off state through switching value detection circuit on monitor terminal, through switching value relay drive circuit control switch's state, realize through wireless communication module with outside communication, compare in current monitoring system, can realize the remote control to the transformer substation switch, improved the troubleshooting efficiency of transformer substation greatly. The utility model discloses can wide application in transformer substation control technical field.

Description

Transformer substation monitoring control system
Technical Field
The utility model relates to a power station control technical field especially relates to a monitoring control system of transformer substation.
Background
As electric energy plays an increasingly important role in the production and life of people, in order to ensure the safety and reliability of a power transmission system, various indexes of a transformer substation need to be effectively monitored in real time. At present, most transformer substations adopt a monitoring mode to monitor transformer substation terminals, but once the transformer substation terminals have problems, a power company needs to send out workers to the site to overhaul, and the fault overhaul efficiency of the transformer substations is reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a transformer substation monitor control system can improve the troubleshooting efficiency of transformer substation.
The utility model adopts the technical proposal that:
the utility model provides a transformer substation monitoring control system, includes integration control central processing unit and a plurality of monitor terminal, be provided with the monitor terminal interface on the integration control central processing unit, monitor terminal with monitor terminal interface connection, monitor terminal includes treater, switching value relay drive circuit, switching value detection circuitry and wireless communication module, the treater with switching value relay drive circuit connects, the treater with switching value detection circuitry connects, the treater with wireless communication module connects.
Further, the monitoring terminal further comprises an RS485 communication interface module, and the RS485 communication interface module is connected with the processor.
Furthermore, the monitoring terminal also comprises a voltage and current detection transmitter, and the voltage and current detection transmitter is connected with the processor.
Further, the monitoring terminal further comprises an insulation detection circuit, and the insulation detection circuit is connected with the processor.
Further, monitor terminal still includes location timing module, location timing module with the treater is connected, location timing module includes at least one of big dipper location timing module, GPS location timing module and Galileo location timing module.
Further, the wireless communication module comprises a 4G/5G submodule, and the 4G/5G submodule is connected with the processor.
Further, the wireless communication module comprises an ethernet sub-module, and the ethernet sub-module is connected with the processor.
Further, the transformer substation monitoring control system further comprises a first temperature sensor and a second temperature sensor, wherein the first temperature sensor is connected with the integrated monitoring central processing unit, the second temperature sensor is connected with the integrated monitoring central processing unit, the first temperature sensor is arranged inside the integrated monitoring central processing unit, and the second temperature sensor is arranged on a cable.
Furthermore, the transformer substation monitoring control system also comprises a water sensor, and the water sensor is connected with the integrated monitoring central processing unit.
Furthermore, the transformer substation monitoring and control system further comprises a temperature and humidity controller, and the temperature and humidity controller is connected with the integrated monitoring central processing unit.
The embodiment of the utility model provides a detect the on-off state through switching value detection circuit on monitor terminal, through switching value relay drive circuit control switch's state, realize through wireless communication module with outside communication, compare in current monitoring system, can realize the remote control to the transformer substation switch, improved the troubleshooting efficiency of transformer substation greatly.
Drawings
Fig. 1 is a structural diagram of a monitoring and control system of a transformer substation according to an embodiment of the present invention;
fig. 2 is a structural diagram of a monitoring terminal of a substation monitoring control system according to an embodiment of the present invention;
fig. 3 is a partial circuit diagram of a switching value relay driving circuit of a monitoring terminal of a substation monitoring control system according to an embodiment of the present invention;
fig. 4 is a partial circuit diagram of a switching value detection circuit of a monitoring terminal of a substation monitoring control system according to an embodiment of the present invention;
fig. 5 is a partial circuit diagram of an RS485 communication interface module of a monitoring terminal of a substation monitoring control system according to the embodiment of the present invention;
fig. 6 is a partial circuit diagram of a voltage and current detection transmitter of a monitoring terminal of a substation monitoring control system according to the embodiment of the present invention;
fig. 7 is a partial circuit diagram of an insulation detection circuit of a monitoring terminal of a substation monitoring and control system according to an embodiment of the present invention;
fig. 8 is a partial circuit diagram of a positioning and timing module of a monitoring terminal of a substation monitoring and control system according to an embodiment of the present invention;
fig. 9 is a partial circuit diagram of a 4G submodule of a monitoring terminal of a substation monitoring and control system according to an embodiment of the present invention;
fig. 10 is a block diagram of an integrated monitoring central processing unit of a substation monitoring control system according to an embodiment of the present invention;
fig. 11 is a first structural diagram of an integrated monitoring central processing unit of a substation monitoring and control system according to an embodiment of the present invention;
fig. 12 is a second structural diagram of an integrated monitoring central processing unit of a substation monitoring control system according to an embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The embodiment of the utility model discloses transformer substation monitoring control system refers to fig. 1, including integration control central processing unit and a plurality of monitor terminal, be provided with the monitor terminal interface on the integration control central processing unit, monitor terminal with monitor terminal interface connection refers to fig. 2, monitor terminal includes treater, switching value relay drive circuit, switching value detection circuitry and wireless communication module, the treater with switching value relay drive circuit connects, the treater with switching value detection circuitry connects, the treater with wireless communication module connects.
Specifically, referring to fig. 10, the integrated monitoring central processing unit is developed based on technologies such as an embedded FreeRTOS real-time operating system, a message queue and a semaphore, so that software functions of a real-time operating system of an intelligent terminal are realized, the functions include functions of acquisition, storage and display of remote measurement data, remote signaling data and sensor data, remote control functions of remote places and local places, an electric power system universal protocol IEC 60870-5-618104 protocol and an IEC 50 protocol are used, various communication protocols can be intelligently identified and rapidly and stably communicated with a master station cloud platform, and when the Beidou satellite and GPS precise composite positioning precise calibration is carried out, a sensor end device protocol function of a self-identification perception control sublayer, and a protection function and a voltage type feeder fault optimization diagnosis function of the intelligent terminal, the sensor and a power distribution cabinet are realized. And a touch screen, an upper computer, a film panel and a terminal shell are designed for terminal assistance, and the terminal assistance performs better human-computer interaction with debugging personnel and working personnel.
Referring to fig. 11 and 12, the integrated monitoring central processing unit is provided with a plurality of monitoring terminal interfaces, to which monitoring terminals can be connected. The integrated monitoring central processing unit is used for receiving the data sent by the monitoring terminal and sending a control signal to the monitoring terminal.
The monitoring terminal is arranged on the substation terminal and used for monitoring and controlling the substation terminal.
The processor is used for controlling other components of the monitoring terminal, and the processor can be implemented by using STM32F767ZGT 6.
Referring to fig. 3, the switching value relay driving circuit may be composed of a relay driving chip ULN2004 and a relay HF-49FD012-1H11, and the switching value relay driving circuit receives a control command from the integrated monitoring central processing unit through the wireless communication module, converts the control command into a control signal through the processor, and inputs the control signal into the relay driver to realize remote control of the switch of the substation terminal.
Referring to fig. 4, the switching value detection circuit may use a TLP291 optocoupler isolator to form a remote signaling signal, and the remote signaling terminal board converts the closing or opening of the relay contact into a low level or high level signal, which is sent to the YX module of the RTU, so as to implement remote monitoring of the switch of the substation terminal.
And the wireless communication module is used for communication between the monitoring terminal and the integrated monitoring central processing unit, and remote information interaction between the monitoring terminal and the integrated monitoring central processing unit can be realized through the wireless communication module.
In some embodiments, referring to fig. 2, the monitoring terminal further includes an RS485 communication interface module, and the RS485 communication interface module is connected to the processor.
In particular, RS485 is a standard defined to balance the electrical characteristics of drivers and receivers in digital multipoint systems, the standard being defined by the telecommunications industry association and the electronics industry consortium. The digital communication network using the standard can effectively transmit signals under long-distance conditions and in environments with large electronic noise. RS485 enables the configuration of connecting local networks and multi-drop communication links.
Referring to fig. 5, the RS485 communication interface module may use AMD2483 for information interaction of the monitoring terminal and the integrated monitoring central processing unit.
In some embodiments, referring to FIG. 2, the monitoring terminal further comprises a voltage current sense transducer coupled to the processor.
Specifically, referring to fig. 6, a voltage current detection transmitter for detecting current, voltage and power factor of a substation terminal may be implemented using BL 6522B.
BL6522B is a high-precision three-phase multifunctional electronic power metering chip, and integrates seven-path high-precision sigma-delta ADC and a digital signal processing circuit. The total active power and energy, the reactive power and energy, and the apparent power and energy of each phase and the combined phase of the three phases can be measured; the active power and energy, the reactive power and energy of the fundamental wave; and parameters such as each phase current, voltage effective value, power factor and the like; the device has the functions of electric energy quality management such as current loss monitoring, current and voltage peak value detection, zero-crossing detection and the like.
In some embodiments, referring to fig. 2, the monitoring terminal further comprises an insulation detection circuit, the insulation detection circuit being connected to the processor.
Specifically, the insulation detection circuit may refer to fig. 7, and the insulation detection circuit may be used to measure the electrical parameter of the substation terminal in an online operation state of the substation terminal.
In some embodiments, referring to fig. 2, the monitoring terminal further includes a positioning timing module, the positioning timing module is connected to the processor, and the positioning timing module includes at least one of a beidou positioning timing module, a GPS positioning timing module, and a galileo positioning timing module.
In particular, referring to fig. 8, the positioning and timing module may use GPS-NE06, the positioning and timing module being used for the positioning of the substation terminal. The position information of the monitoring terminal can be obtained by setting the positioning timing module.
In some embodiments, referring to FIG. 2, the wireless communication module includes a 4G/5G sub-module, and the 4G/5G sub-module is coupled to the processor.
Specifically, referring to fig. 9, the 4G/5G sub-module is used for wireless communication between the monitoring terminal and the integrated monitoring central processing unit.
In some embodiments, referring to fig. 2, the wireless communication module includes an ethernet sub-module coupled to the processor.
Specifically, the ethernet submodule may use DM9051, and the ethernet submodule is used for wireless communication between the monitoring terminal and the integrated monitoring central processing unit.
In some embodiments, referring to fig. 1, the substation monitoring and control system further includes a first temperature sensor and a second temperature sensor, the first temperature sensor is connected to the integrated monitoring central processing unit, the second temperature sensor is connected to the integrated monitoring central processing unit, the first temperature sensor is disposed inside the integrated monitoring central processing unit, and the second temperature sensor is disposed on a cable.
Specifically, the temperature sensor is a sensor which can sense temperature and convert the temperature into a usable output signal, and the first temperature sensor is arranged in the integrated monitoring central processing unit and used for integrally monitoring the temperature in the integrated monitoring central processing unit; the second temperature sensor is arranged on the cable of the main electric loop of the transformer substation and the distribution substation and used for monitoring the temperature of the cable.
In some embodiments, referring to fig. 1, the substation monitoring and control system further comprises a water sensor connected to the integrated monitoring central processing unit.
Specifically, the water logging sensor is arranged in a control system in a power transformer, and can be timely detected when the transformer substation monitoring control system generates a water logging phenomenon, so that the safety of the transformer substation monitoring control system is improved.
In some embodiments, referring to fig. 1, the substation monitoring and control system further includes a temperature and humidity controller, and the temperature and humidity controller is connected to the integrated monitoring central processing unit.
Specifically, the temperature and humidity controller is an advanced single chip microcomputer serving as a control core, a temperature and humidity sensor is adopted, temperature and humidity signals can be measured and controlled simultaneously, liquid crystal digital display is achieved, and upper and lower limits of the temperature and the humidity can be set and displayed respectively through keys, so that a fan or a heater can be automatically started by an instrument according to field conditions, and actual temperature and actual humidity of an environment to be measured can be automatically adjusted.
The temperature of the transformer substation can be controlled by setting the temperature and humidity controller.
The monitoring terminal can be powered by 220V alternating current, 12V direct current voltage is generated through 41020B12, voltage is stabilized through the follower B1212S module, 3.3V direct current voltage and 5.0V direct current voltage are generated through K7803 and K7805 respectively, and power is supplied to the whole terminal.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. In addition, for convenience of description, only a part of the structure related to the present invention, not the whole structure, is shown in the drawings.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the foregoing and various other changes, omissions and deviations in the form and detail thereof may be made without departing from the scope of this invention.

Claims (10)

1. The utility model provides a monitoring control system of transformer substation, its characterized in that, includes integration monitoring central processing unit and a plurality of monitor terminal, be provided with the monitor terminal interface on the integration monitoring central processing unit, monitor terminal with monitor terminal interface connection, monitor terminal includes treater, switching value relay drive circuit, switching value detection circuitry and wireless communication module, the treater with switching value relay drive circuit connects, the treater with switching value detection circuitry connects, the treater with wireless communication module connects.
2. The substation monitoring and control system of claim 1, wherein the monitoring terminal further comprises an RS485 communication interface module, and the RS485 communication interface module is connected with the processor.
3. The substation monitoring and control system of claim 1, wherein the monitoring terminal further comprises a voltage-current detection transmitter, and the voltage-current detection transmitter is connected with the processor.
4. The substation monitoring and control system of claim 1, wherein the monitor terminal further comprises an insulation detection circuit, and the insulation detection circuit is connected with the processor.
5. The substation monitoring and control system of claim 1, wherein the monitoring terminal further comprises a positioning timing module, the positioning timing module is connected with the processor, and the positioning timing module comprises at least one of a Beidou positioning timing module, a GPS positioning timing module and a Galileo positioning timing module.
6. The substation monitoring and control system according to claim 1, wherein the wireless communication module comprises a 4G/5G submodule, and the 4G/5G submodule is connected with the processor.
7. The substation monitoring and control system of claim 1, wherein the wireless communication module comprises an ethernet sub-module, and the ethernet sub-module is connected to the processor.
8. The substation monitoring and control system according to claim 1, further comprising a first temperature sensor and a second temperature sensor, wherein the first temperature sensor is connected to the integrated monitoring central processing unit, the second temperature sensor is connected to the integrated monitoring central processing unit, the first temperature sensor is disposed inside the integrated monitoring central processing unit, and the second temperature sensor is disposed on a cable.
9. The substation monitoring and control system of claim 1, further comprising a water sensor connected to the integrated monitoring central processing unit.
10. The substation monitoring and control system of claim 1, further comprising a temperature and humidity controller, wherein the temperature and humidity controller is connected to the integrated monitoring central processing unit.
CN202023338724.7U 2020-12-30 2020-12-30 Transformer substation monitoring control system Active CN214900346U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023338724.7U CN214900346U (en) 2020-12-30 2020-12-30 Transformer substation monitoring control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023338724.7U CN214900346U (en) 2020-12-30 2020-12-30 Transformer substation monitoring control system

Publications (1)

Publication Number Publication Date
CN214900346U true CN214900346U (en) 2021-11-26

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Country Status (1)

Country Link
CN (1) CN214900346U (en)

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