CN217563166U - Safety monitoring screen for railway transformer substation - Google Patents
Safety monitoring screen for railway transformer substation Download PDFInfo
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- CN217563166U CN217563166U CN202123427001.9U CN202123427001U CN217563166U CN 217563166 U CN217563166 U CN 217563166U CN 202123427001 U CN202123427001 U CN 202123427001U CN 217563166 U CN217563166 U CN 217563166U
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Abstract
The utility model provides a safety monitoring screen of a railway transformer substation, which comprises a comprehensive measurement and control unit, a safety monitoring host, an image recognition server, a video server, a display unit, a network safety unit, a network communication unit, a power supply unit and an intelligent lightning protection unit; the safety monitoring host, the image recognition server, the video server, the comprehensive measurement and control unit and the network safety unit are all in communication connection with the network communication unit; the intelligent lightning protection unit is electrically connected with the comprehensive measurement and control unit; the power supply unit is connected with all other devices and units. The utility model has the advantages that: local detail conditions of each power distribution cabinet and each secondary monitoring cabinet can be checked through the cooperation of the integrated safety monitoring host, the image recognition server, the video server, the display and the KVM switcher, and the actual conditions on site can be judged.
Description
Technical Field
The utility model belongs to the technical field of power electrical equipment, concretely relates to railway becomes distribution substation safety monitoring screen.
Background
A video monitoring camera is installed in an existing railway power transformation and distribution room and used for remotely checking and recording field conditions, but only rough conditions in the power transformation and distribution room can be seen, local detailed conditions of field equipment cannot be clearly distinguished, and a monitoring blind area exists; monitoring equipment such as a high-voltage comprehensive protection device, an electric power telecontrol RTU (remote terminal unit), a partial discharge monitoring device and the like are installed in the power transformation and distribution room, centralized monitoring is carried out on a background network management platform through networking, but the site condition cannot be seen when alarming occurs, and manual work is needed to confirm alarm information on site; lightning protection is not carried out on all cables entering and exiting the transformer substation; a smoke sensing device, a temperature and humidity detector, a water immersion detector, a grounding detection device and the like are installed in a part of transformer distribution rooms, linkage with other systems on site is not realized, a unified monitoring platform is not established, and information of each monitoring system is relatively isolated. The problems are reflected in that each monitoring system of the current railway transformer substation is insufficient and potential safety hazard exists, and the intelligent construction of the transformer substation is not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect among the prior art, provide a railway transformer substation safety monitoring screen, look over the local detailed situation of each switch board, secondary monitoring cabinet through the cooperation of integrated safety monitoring host computer, image recognition server, video server, display and KVM switch, can judge on-the-spot actual situation, overcome not enough and the potential safety hazard that each monitored control system of railway transformer substation exists, be favorable to becoming the intelligent construction of transformer substation.
In order to achieve the purpose, the utility model provides a railway transformer substation safety monitoring screen which is characterized in that the safety monitoring screen comprises a safety monitoring host, an image recognition server, a video server, a display unit, a comprehensive measurement and control unit, a network safety unit, a network communication unit, a power supply unit and an intelligent lightning protection unit;
the safety monitoring host, the image recognition server, the video server, the comprehensive measurement and control unit and the network safety unit are all in communication connection with the network communication unit;
the intelligent lightning protection unit is electrically connected with the comprehensive measurement and control unit;
the power supply unit is connected with all other devices and units.
Preferably, the comprehensive measurement and control unit comprises a data acquisition unit, a protocol processing unit, a CAN communication interface board, a switching value signal communication board, an RS485 communication board and a two-bus communication board;
the data acquisition unit, the CAN communication interface board, the switching value signal communication board, the RS485 communication board and the two bus communication boards are all connected with a protocol processing unit;
the protocol processing unit adopts STM32F103CT6.
Preferably, the data acquisition unit is connected with the protocol processing unit through a PA, and the data acquisition unit is connected with the data acquisition unit through a DI;
the CAN communication interface board is connected with the protocol processing unit through CAN TX and CANRX interfaces.
Preferably, the switching value signal communication board adopts TLP152, the switching value signal communication board is connected to the protocol processing unit through an SS1 end, and the switching value signal communication board is connected to the switching value input through an S2 end;
the RS485 communication board is connected with the protocol processing unit through UART TX and UART RX interfaces; the two bus communication boards comprise a PowerBus two-wire chip and a PB331 chip, and the PowerBus two-wire chip is connected with the protocol processing unit through a TX interface and an RX interface of the PB331 chip.
Preferably, the safety monitoring host comprises an industrial personal computer, a keyboard, a mouse and an alarm sound box, and the keyboard, the mouse and the alarm sound box are all connected with the industrial personal computer;
the industrial personal computer adopts RPC-201FT.
Preferably, the image recognition server comprises a server;
the image recognition server adopts a KG 4224-A8 AMD GPU server.
Preferably, the display unit comprises a display screen and a KVM switch, the display screen is connected with the KVM switch, and the KVM switch is connected with the security monitoring host, the image recognition server and the video server; the KVM switch adopts PPC-3311C.
A KVM switch (english: KVM switch), generally abbreviated as KVM, is a hardware device for a computer, which enables a user to control a plurality of computers through a set of keyboard, display screen and mouse. KVM, i.e. Keyboard, display, mouse acronym for english (Keyboard, video, mouse).
Preferably, the network security unit comprises a network routing device;
the network communication unit includes a network switch.
Preferably, the power supply unit comprises a direct-current inverter power supply, an alternating-current and direct-current switching module, a 24V direct-current output power supply and a 12V direct-current output power supply, and the 24V direct-current output power supply and the 12V direct-current output power supply are connected with the direct-current inverter power supply through the alternating-current and direct-current switching module;
the direct-current inverter power supply is connected from 110V, and the direct-current inverter power supply and the alternating-current and direct-current switching module convert the 110V power supply into AC220V power supply, DC24V power supply and DC12V power supply.
Preferably, the intelligent lightning protection unit comprises an intelligent power supply SPD and a combined intelligent cable SPD, and is used for carrying out lightning protection and intelligent monitoring on the power supply in the cabinet and the accessed secondary monitoring cable;
the IN of the power supply SPD is connected with a power supply incoming line LN, and the OUT of the power supply SPD is connected with a power supply outgoing line; LN (N)
The IN of the combined intelligent cable SPD is connected with a cable inlet LN, and the OUT of the combined intelligent cable SPD is connected with the cable inlet LN.
Preferably, still wrap the cabinet body, safety monitoring host computer, image recognition server, video server, display element, synthesize and observe and control unit, network security unit, network communication unit, electrical unit and intelligent lightning protection unit and all set up the cabinet is internal.
The utility model has the advantages that:
(1) Local detail conditions of each power distribution cabinet and each secondary monitoring cabinet can be checked in the railway power distribution and transformation room through the cooperation of the integrated safety monitoring host, the image recognition server, the video server, the display and the KVM switcher, and actual conditions of the site can be judged;
(2) The alarm sent by each monitoring device on site can be checked and confirmed in time without arranging manpower to check on site, and the alarm handling efficiency is greatly improved;
(3) Each monitoring system in the railway power transformation and distribution room can perform comprehensive analysis and linkage, and can perform early warning in time when a fault occurs, so that power failure is avoided or power failure time is reduced, and the influence on railway transportation is reduced;
(4) The centralized monitoring of the transformer, the power cabinet, the secondary control screen, the lightning protection, the grounding and the indoor environment in the railway transformer substation can be realized.
Drawings
Fig. 1 is a schematic frame diagram of a safety monitoring screen of a railway substation provided by an embodiment of the present invention;
fig. 2 is a schematic frame diagram of a comprehensive measurement and control unit of a safety monitoring screen of a railway substation provided by an embodiment of the present invention;
fig. 3 is a schematic connection diagram of a KVM switch of a safety monitoring screen of a railway substation according to an embodiment of the present invention;
fig. 4 is a circuit diagram of a protocol processing unit of a safety monitoring screen of a railway substation provided by an embodiment of the present invention;
fig. 5 is a circuit diagram of a data acquisition unit of a safety monitoring screen of a railway substation provided by an embodiment of the present invention;
fig. 6 is a circuit diagram of a CAN communication interface board of a safety monitoring screen of a railway substation provided by an embodiment of the present invention;
fig. 7 is a circuit diagram of a switching value signal communication board of a safety monitoring screen of a railway substation provided by an embodiment of the present invention;
fig. 8 is a circuit diagram of an RS485 communication board of a safety monitoring screen of a railway substation provided by the embodiment of the present invention;
fig. 9 is a circuit diagram of a two-bus communication board of a safety monitoring screen of a railway substation provided by an embodiment of the present invention;
fig. 10 is a structural diagram of an industrial personal computer of a safety monitoring screen of a railway substation provided by the embodiment of the present invention;
fig. 11 is a structural diagram of an image recognition server of a safety monitoring screen of a railway substation provided by an embodiment of the present invention;
fig. 12 is a block diagram of a KVM switch of a safety monitoring screen of a railway substation according to an embodiment of the present invention;
fig. 13 is a circuit diagram of a dc inverter of a safety monitoring screen of a railway substation provided in an embodiment of the present invention;
fig. 14 is a circuit diagram of an ac/dc switching module of a safety monitoring panel of a railway substation provided by an embodiment of the present invention;
fig. 15 is a circuit diagram of a 24V dc output power supply and a 12V dc output power supply of a safety monitoring screen of a railway substation provided by an embodiment of the present invention;
fig. 16 is a circuit diagram of a rear power supply of a safety monitoring screen of a railway substation provided by an embodiment of the present invention;
fig. 17 is a circuit diagram of an intelligent power supply SPD wiring of a safety monitoring screen of a railway substation provided by the embodiment of the present invention;
fig. 18 is a circuit diagram of a combined intelligent cable SPD wiring of a safety monitoring screen of a railway substation provided by an embodiment of the present invention;
Detailed Description
The utility model discloses a railway becomes distribution substation safety monitoring screen carries out detailed description below with the attached drawing.
The safety monitoring screen of the railway transformer substation comprises a comprehensive measurement and control unit, a safety monitoring host, an image recognition server, a video server, a display unit, a network safety unit, a network communication unit, a power supply unit and an intelligent lightning protection unit;
the safety monitoring host, the image recognition server, the video server, the comprehensive measurement and control unit and the network safety unit are all in communication connection with the network communication unit;
the intelligent lightning protection unit is electrically connected with the comprehensive measurement and control unit;
the power supply unit is connected with all other devices and units.
The comprehensive measurement and control unit comprises a data acquisition unit, a protocol processing unit, a CAN communication interface board, a switching value signal communication board, an RS485 communication board and two bus communication boards;
the data acquisition unit, the CAN communication interface board, the switching value signal communication board, the RS485 communication board and the two bus communication board are all connected with the protocol processing unit;
the protocol processing unit adopts STM32F103CT6.
The data acquisition unit is connected with the protocol processing unit through PA and connected with the data acquisition unit through DI;
the CAN communication interface board is connected with the protocol processing unit through CAN TX and CANRX interfaces.
The switching value signal communication board adopts TLP152, is connected with the protocol processing unit through an SS1 end and is connected with switching value input through an S2 end;
the RS485 communication board is connected with the protocol processing unit through UART TX and UART RX interfaces;
the two bus communication boards comprise a PowerBus two-wire chip and a PB331 chip, and the PowerBus two-wire chip is connected with the protocol processing unit through a TX interface and an RX interface of the PB331 chip.
The safety monitoring host comprises an industrial personal computer, a keyboard, a mouse and an alarm sound box, wherein the keyboard, the mouse and the alarm sound box are all connected with the industrial personal computer;
the industrial personal computer adopts RPC-201FT.
The image recognition server comprises a server;
the image recognition server adopts KG 4224-A8 AMD GPU server.
The display unit comprises a display screen and a KVM switcher, the display screen is connected with the KVM switcher, and the KVM switcher is connected with the security monitoring host, the image recognition server and the video server; the KVM switch uses PPC-3311C.
A KVM switch (english: KVM switch), generally abbreviated as KVM, is a computer hardware device that enables a user to control a plurality of computers through a set of keyboard, display screen and mouse. KVM, i.e. Keyboard, display, mouse acronym for english (Keyboard, video, mouse).
The network security unit comprises a network routing device;
the network communication unit includes a network switch.
The power supply unit comprises a direct-current inverter, an alternating-current and direct-current switching module, a 24V direct-current output power supply and a 12V direct-current output power supply, and the 24V direct-current output power supply and the 12V direct-current output power supply are connected with the direct-current inverter through the alternating-current and direct-current switching module;
the direct current inverter power supply is connected with the front end through VIN/GND and connected with the rear end through VOUT/GND;
the alternating current and direct current switching module comprises P2, P3 and K1, wherein the P2 and the P3 are connected with alternating current and direct current, and the K1 switches a double power supply; the direct-current inverter power supply is connected from 110V, and the direct-current inverter power supply and the alternating-current and direct-current switching module convert the 110V power supply into AC220V power supply, DC24V power supply and DC12V power supply.
The rear-stage power supply 220VAC is converted into 12V to supply power to the low-power electric appliances.
The intelligent power supply SPD and the combined intelligent cable SPD are used for carrying out lightning stroke protection and intelligent monitoring on the power supply in the cabinet and the accessed secondary monitoring cable;
the IN of the power supply SPD is connected with a power supply inlet wire LN, and the OUT of the power supply SPD is connected with a power supply outlet wire; LN
The IN of the combined intelligent cable SPD is connected with a cable inlet LN, and the OUT of the combined intelligent cable SPD is connected with the cable inlet LN.
The intelligent anti-thunder cabinet comprises a cabinet body, and a safety monitoring host, an image recognition server, a video server, a display unit, a comprehensive measurement and control unit, a network safety unit, a network communication unit, a power supply unit and an intelligent anti-thunder unit are all arranged in the cabinet body.
Example 1
Fig. 1 is a schematic frame diagram of a safety monitoring screen of a railway substation provided in embodiment 1 of the present invention;
a safety monitoring screen for a railway transformer substation is a safety monitoring screen product for the railway transformer substation, and comprises an integrated safety monitoring host, an image recognition server, a video server, a display unit, a comprehensive measurement and control unit, a network safety unit, a network communication unit, a power supply unit and an intelligent lightning protection unit; the safety monitoring host is used for operating safety monitoring software, providing a human-computer interaction interface and realizing the functions of monitoring, controlling, managing, storing data and the like of each functional module unit;
the image recognition server is used for processing and recognizing videos and pictures shot by the video inspection robot and the high-definition monitoring camera, rechecking, storing and outputting alarm information; the video server is used for acquiring, processing and storing video signals shot by the video inspection robot and the high-definition camera; the display unit is used for displaying and switching display, a keyboard and a mouse; the comprehensive measurement and control unit is used for acquiring data of equipment for site environment, dynamic lighting, intelligent lightning grounding, electric fire prevention monitoring and the like; the network security unit is used for providing a secure communication route, a protocol, a security strategy, a firewall and the like which meet the security requirements of railway security and the like; the network communication unit is used for establishing an internal local area network to realize mutual communication; the power supply unit is used for providing alternating current and direct current inversion working power supplies for each module unit; and the intelligent lightning protection unit is used for carrying out lightning protection and intelligent monitoring on the power supply and the secondary monitoring cable in the cabinet.
Specifically, a plurality of devices are combined into one cabinet, so that the occupied installation space of a control room of a railway transformer substation is reduced, and the device layout and wiring of the control room are more standard; each functional unit is subjected to modular design, so that the system is suitable for different field requirements; all the wiring is laid under the static floor, and the internal space of the control room is not occupied.
Specifically, the comprehensive measurement and control unit comprises a data acquisition unit, a protocol processing unit, a CAN communication interface board, a switching value signal communication board, an RS485 communication board and two bus communication boards;
the data acquisition unit, the CAN communication interface board, the switching value signal communication board, the RS485 communication board and the two bus communication board are all connected with the protocol processing unit;
the protocol processing unit adopts STM32F103CT6.
The data acquisition unit is connected with the protocol processing unit through PA and connected with the data acquisition unit through DI;
the CAN communication interface board is connected with the protocol processing unit through CAN TX and CANRX interfaces.
The switching value signal communication board adopts TLP152, is connected with the protocol processing unit through an SS1 end, and is connected with the switching value input through an S2 end;
the RS485 communication board is connected with the protocol processing unit through UART TX and UART RX interfaces;
the two bus communication boards comprise a PowerBus two-wire chip and a PB331 chip, and the PowerBus two-wire chip is connected with the protocol processing unit through a TX interface and an RX interface of the PB331 chip.
The method comprises the steps of collecting real-time data of equipment such as a field temperature and humidity sensor, a water immersion sensor, a smoke sensor, an entrance guard, an intelligent SPD, grounding monitoring and electric fire prevention monitoring.
Example 2
A safety monitoring screen of a railway power transformation and distribution substation comprises an integrated safety monitoring host, an image recognition server, a video server, a display unit, a comprehensive measurement and control unit, a network safety unit, a network communication unit, a power supply unit and an intelligent lightning protection unit; the safety monitoring host is used for operating safety monitoring software, providing a human-computer interaction interface and realizing the functions of monitoring, controlling, managing, storing data and the like of each functional module unit;
the image recognition server is used for processing and recognizing videos and pictures shot by the video inspection robot and the high-definition monitoring camera, rechecking, storing and outputting alarm information; the video server is used for acquiring, processing and storing video signals shot by the video inspection robot and the high-definition camera; the display unit is used for displaying and switching display, a keyboard and a mouse; the comprehensive measurement and control unit is used for acquiring data of equipment for site environment, dynamic lighting, intelligent lightning grounding, electric fire prevention monitoring and the like; the network security unit is used for providing a secure communication route, a protocol, a security strategy, a firewall and the like which meet the security requirements of railway security and the like; the network communication unit is used for establishing an internal local area network to realize mutual communication; the power supply unit is used for providing alternating current and direct current inversion working power supplies for each module unit; and the intelligent lightning protection unit is used for carrying out lightning protection and intelligent monitoring on the power supply and the secondary monitoring cable in the cabinet.
Specifically, a plurality of devices are combined into one cabinet, so that the occupied installation space of a control room of a railway transformer substation is reduced, and the device layout and wiring of the control room are more standard; each functional unit is subjected to modular design, and is suitable for different field requirements; all the wiring is laid under the static floor, and the internal space of the control room is not occupied.
Specifically, the comprehensive measurement and control unit comprises a data acquisition unit, a protocol processing unit, a CAN communication interface board, a switching value signal communication board, an RS485 communication board and two bus communication boards;
the data acquisition unit, the CAN communication interface board, the switching value signal communication board, the RS485 communication board and the two bus communication board are all connected with the protocol processing unit;
the protocol processing unit adopts STM32F103CT6.
The data acquisition unit is connected with the protocol processing unit through PA and connected with the data acquisition unit through DI;
the CAN communication interface board is connected with the protocol processing unit through CAN TX and CANRX interfaces.
The switching value signal communication board adopts TLP152, is connected with the protocol processing unit through an SS1 end, and is connected with the switching value input through an S2 end;
the RS485 communication board is connected with the protocol processing unit through UART TX and UART RX interfaces;
the two bus communication boards comprise a PowerBus two-wire chip and a PB331 chip, and the PowerBus two-wire chip is connected with the protocol processing unit through a TX interface and an RX interface of the PB331 chip.
The method comprises the steps of collecting real-time data of equipment such as a field temperature and humidity sensor, a water immersion sensor, a smoke sensor, an entrance guard, an intelligent SPD, ground monitoring and electric fire prevention monitoring.
The safety monitoring host comprises an industrial personal computer, a keyboard, a mouse and an alarm sound box, wherein the keyboard, the mouse and the alarm sound box are all connected with the industrial personal computer;
the industrial personal computer adopts RPC-201FT. The RPC-201FT comprises a FT-2000/4 (four-core) D2000 (eight-core) processor, 2 UDIMM DDR memories, an independent PCIe display card, 2 LAN interfaces, 4 USB 3.0 interfaces, 12 COM interfaces, 3 PCIe interfaces and 1 mini-PCIE interface.
The universal serial bus socket supports a UDIMM slot and supports DDR4 3200MHz; the design of multiple network ports and multiple serial ports supports a PCIE independent display card, supports a Mic/Head Phone/Line IN audio interface and supports 10/100/1000M network self-adaptation; the system has the advantages of perfect low-power-consumption design, high integration level and strong expansibility; a multi-serial port multi-USB solution is provided.
The COM interface is a serial port, is a standard interface of any mainboard, is used for communicating with an RS232 serial port, follows an MODBUS communication protocol, is used for communicating and acquiring data between RS232 or 485 and instruments by using a computer serial port (COM 1) in industrial automation control, and is suitable for industrial application. The safety monitoring host is arranged, a man-machine interaction management interface is provided, monitoring, data storage, data query, diagnosis analysis and operation and maintenance management of each functional module unit are realized, and the actions of the inspection robot and the high-definition camera, the interfaces of the inspection robot and other systems and the like are controlled;
the display unit comprises a display screen and a KVM switcher, switches and displays the contents of the monitoring host, the image recognition server and the video server, and switches and uses a keyboard and a mouse;
specifically, the image recognition server comprises a server; the image recognition server adopts a KG 4224-A8 AMD GPU server and a heterogeneous GPU acceleration server designed based on an AMD EPYC 7002 series processor; the system is provided with an NVIDIA GPU accelerator, a 8TB DDR4 ECC RDIMM memory and 24 SAS/SATA hot plug hard disks; the method has the characteristics of high performance, high expansibility and high reliability.
By arranging the image recognition server, processing videos and photos shot by inspection, recognizing the shape, the setting position, the content of an instrument, the state of an indicator light and the like of equipment, rechecking other system alarm information, storing and outputting the alarm information;
specifically, by arranging a video server, the video server also adopts a KG 4224-A8 AMD GPU server or other similar interface existing products to collect, process and store videos shot by field inspection;
specifically, the display unit comprises a display screen and a KVM switcher, the display screen is connected with the KVM switcher, and the KVM switcher is connected with the security monitoring host, the image recognition server and the video server; a KVM switch (english: KVM switch), generally abbreviated as KVM, is a hardware device for a computer, which enables a user to control a plurality of computers through a set of keyboard, display screen and mouse. KVM, i.e. Keyboard, display, mouse acronym for english (Keyboard, video, mouse).
The KVM switch uses PPC-3311C. The KVM switcher adopts PPC-3311C to support Intel Celeron Processor J1900 (2M cache, up to 2.42GHZ), and is provided with 4 LAN interfaces, 1 USB 3.0, 5 USB 2.0,2 COM interfaces, 11.6 industrial tablet computers, 2 mini-PCIE interfaces, 1 VGA interface, 1 HDMI,1 LVDS interface, and 1 SO-DIMM DDR3L-1066/133MHZ3 memory.
Through setting a display unit, the contents of the monitoring host, the image recognition server and the video server are switched and displayed, and a keyboard and a mouse are switched and used;
specifically, by arranging a network security unit, the networking communication of the product meets the protection requirement of the railway security level; the network security unit comprises a network routing device, a firewall, network security software and the like, and adopts the existing products to provide a communication route, a protocol, a security strategy, a firewall and the like which meet the protection requirement of the railway security level
Specifically, the network communication unit comprises a network switch, and the existing product is adopted to form a local area network so as to realize mutual communication among equipment in the cabinet; the network communication unit is arranged to form a local area network, so that the mutual communication among the safety monitoring host, the image recognition server, the video server, the comprehensive measurement and control unit and the network safety unit is realized; the network communication unit comprises a network switch which forms a local area network and realizes the mutual communication among the devices in the cabinet.
Specifically, a power supply unit is arranged to provide alternating current and direct current inversion working power supplies for each module unit; the power supply unit comprises a direct-current inverter, an alternating-current and direct-current switching module, a 24V direct-current output power supply and a 12V direct-current output power supply, and the 24V direct-current output power supply and the 12V direct-current output power supply are connected with the direct-current inverter through the alternating-current and direct-current switching module;
the direct current inverter power supply is connected with the front end through VIN/GND and connected with the rear end through VOUT/GND;
the alternating current and direct current switching module comprises P2, P3 and K1, wherein the P2 and the P3 are connected with alternating current and direct current, and the K1 switches a double power supply; the direct-current inverter power supply is connected from 110V, and the direct-current inverter power supply and the alternating-current and direct-current switching module convert the 110V power supply into AC220V, DC24V and DC12V power supply.
The power supply unit comprises a direct-current inverter power supply, a 24V direct-current output power supply and a 12V direct-current output power supply. Because the quality of an on-site AC220V power supply is generally poor, DC110V needs to be charged for power taking, a power supply unit is provided with a direct-current inverter power supply, one path of the direct-current inverter power supply converts DC110V into AC220V, and the other path of the direct-current inverter power supply converts AC220V into DC24V and DC12V for power taking of related equipment in a safety monitoring screen cabinet of a railway substation.
The direct current inverter power supply converts direct current into alternating current, and the reverse process corresponding to rectification is defined as inversion; the direct-current inverter power supply is connected from 110V, the direct-current inverter power supply and the alternating-current and direct-current switching module convert the 110V power supply into AC220V power supply, DC24V power supply and DC12V power supply, the 24V direct-current output power supply mainly supplies power for SPD, the 12V direct-current output power supply is comprehensively measured and controlled to be a unit 220V power supply for other equipment in the cabinet, and the power supply unit provides alternating-current and direct-current inverter working power supply for each module unit.
Specifically, the intelligent lightning protection unit comprises an intelligent power supply SPD and a combined intelligent cable SPD, wherein the IN of the power supply SPD is connected with a power supply incoming line LN, and the OUT of the power supply SPD is connected with a power supply outgoing line; LN
The IN of the combined intelligent cable SPD is connected with a cable inlet LN, and the OUT of the combined intelligent cable SPD is connected with the cable inlet LN.
Through setting up intelligent lightning protection unit, carry out thunderbolt protection and intelligent monitoring for the secondary monitoring cable of power and access in the rack.
The safety monitoring host, the image recognition server, the video server, the comprehensive measurement and control unit and the network safety unit form a local area network through the network communication unit; the comprehensive measurement and control unit is connected to a transformer substation environmental monitoring device, a lightning protection grounding device, an electrical fire prevention monitoring device and the like for centralized monitoring; the safety monitoring host, the image recognition server and the video server are connected with the display unit, and man-machine interaction is realized by switching to share one set of display screen.
The above embodiments are only examples of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (11)
1. The safety monitoring screen of the railway power transformation and distribution substation is characterized by comprising a comprehensive measurement and control unit, a safety monitoring host, an image recognition server, a video server, a display unit, a network safety unit, a network communication unit, a power supply unit and an intelligent lightning protection unit;
the safety monitoring host, the image recognition server, the video server, the comprehensive measurement and control unit and the network safety unit are all in communication connection with the network communication unit;
the intelligent lightning protection unit is electrically connected with the comprehensive measurement and control unit;
the power supply unit is connected with all other devices and units.
2. The safety monitoring screen of the railway substation according to claim 1, wherein the comprehensive measurement and control unit comprises a data acquisition unit, a protocol processing unit, a CAN communication interface board, a switching value signal communication board, an RS485 communication board and a two-bus communication board;
the data acquisition unit, the CAN communication interface board, the switching value signal communication board, the RS485 communication board and the two bus communication boards are all connected with a protocol processing unit;
the protocol processing unit adopts STM32F103CT6.
3. The safety monitoring screen of the railway power transformation and distribution substation according to claim 2, wherein the data acquisition unit is connected with the protocol processing unit through PA, and the data acquisition unit is connected with the data acquisition unit through DI;
the CAN communication interface board is connected with the protocol processing unit through CAN TX and CANRX interfaces.
4. The safety monitoring screen of the railway substation according to claim 2 or 3, wherein the switching value signal communication board adopts TLP152, the switching value signal communication board is connected with the protocol processing unit through an SS1 end, and the switching value signal communication board is connected with a switching value input through an S2 end;
the RS485 communication board is connected with the protocol processing unit through UART TX and UART RX interfaces; the two bus communication boards comprise a PowerBus two-wire chip and a PB331 chip, and the PowerBus two-wire chip is connected with the protocol processing unit through a TX interface and an RX interface of the PB331 chip.
5. The safety monitoring screen of the railway substation according to claim 1, wherein the safety monitoring host comprises an industrial personal computer, a keyboard, a mouse and an alarm sound box, and the keyboard, the mouse and the alarm sound box are all connected with the industrial personal computer;
the industrial personal computer adopts RPC-201FT.
6. The railway substation security monitoring screen of claim 1, wherein the image recognition server comprises a server;
the image recognition server adopts a KG 4224-A8 AMD GPU server.
7. The railway substation security monitoring screen of claim 1, wherein the display unit comprises a display screen and a KVM switch, the display screen is connected with the KVM switch, and the KVM switch is connected with the security monitoring host, the image recognition server and the video server; the KVM switch adopts PPC-3311C.
8. The railway substation security monitoring screen of claim 2 or 3, wherein the network security unit comprises a network routing device;
the network communication unit includes a network switch.
9. The railway transformer substation safety monitoring screen of claim 7, wherein the power supply unit comprises a direct current inverter power supply, an alternating current and direct current switching module, a 24V direct current output power supply and a 12V direct current output power supply, and the 24V direct current output power supply and the 12V direct current output power supply are connected with the direct current inverter power supply through the alternating current and direct current switching module;
the direct-current inverter power supply is connected from DC110V, and the direct-current inverter power supply and the alternating-current and direct-current switching module convert the DC110V power supply into AC220V power supply, DC24V power supply and DC12V power supply.
10. The railway transformer substation safety monitoring screen according to claim 9, wherein the intelligent lightning protection unit comprises an intelligent power supply SPD and a combined intelligent cable SPD, and is used for lightning stroke protection and intelligent monitoring for a power supply in the cabinet and an accessed secondary monitoring cable;
the IN of the power supply SPD is connected with a power supply inlet wire LN, and the OUT of the power supply SPD is connected with a power supply outlet wire; LN
The IN of the combined intelligent cable SPD is connected with a cable inlet LN, and the OUT of the combined intelligent cable SPD is connected with the cable inlet LN.
11. The safety monitoring screen of the railway substation according to claim 2, further comprising a cabinet body, wherein the safety monitoring host, the image recognition server, the video server, the display unit, the comprehensive measurement and control unit, the network safety unit, the network communication unit, the power supply unit and the intelligent lightning protection unit are all arranged in the cabinet body.
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| CN202123427001.9U CN217563166U (en) | 2021-12-31 | 2021-12-31 | Safety monitoring screen for railway transformer substation |
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| CN202123427001.9U CN217563166U (en) | 2021-12-31 | 2021-12-31 | Safety monitoring screen for railway transformer substation |
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