CN111342367A - A comprehensive lightning protection screen cabinet for traction substation - Google Patents

Abstract

The invention provides a traction transformation comprehensive lightning protection screen cabinet.A cabinet door is provided with a human-computer interaction display device; the cabinet body is internally provided with at least one lightning protection module, the lightning protection module comprises at least one surge protection module, and the surge protection module comprises an inserted base and at least one module head; the module head comprises a first shell and a signal detection device, a low-temperature tripping device, a piezoresistor and a fuse arranged in the first shell, and the cabinet body is also provided with one or more combinations of a lighting device, a microcomputer temperature controller, communication equipment, a signal surge protector, a self-contained power supply and a grounding resistance tester. The comprehensive lightning protection screen cabinet for traction and power transformation is convenient to install and maintain, can be provided with the module heads of a plurality of paths of surge protection modules in a centralized manner, realizes lightning surge current protection of a plurality of loops, realizes centralized lightning protection, realizes local or remote centralized monitoring and management, can be widely applied to places such as railway system traction substations and the like, and improves the working efficiency and the intelligent degree.

Description

A comprehensive lightning protection screen cabinet for traction substation

technical field

The invention belongs to the technical field of lightning protection equipment, and in particular relates to a traction substation comprehensive lightning protection screen cabinet.

Background technique

At present, with the rapid development of my country's electrified railway network, railway has become the main mode of transportation for people and the main tool for freight transportation. Its safety is very important. For railways (including traction substations, base stations, power distribution stations, signal The reliability and safety of the power distribution system also put forward higher requirements. Among them, surge protectors, as indispensable lightning and surge current protection equipment, are widely used in power distribution places. For places such as railway system traction substations, there are many equipment and many power distribution circuits, resulting in a large number of surge protectors. Wiring or installation, the installation points are scattered and the wiring is messy, which is not suitable for installation and maintenance, nor is it convenient for unified monitoring or management, and the work efficiency and intelligence are low. In view of the above problems, the present invention discloses a traction substation integrated lightning protection screen cabinet to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the defects in the prior art, to provide a safe, reliable and highly intelligent traction substation integrated lightning protection screen cabinet to realize centralized lightning protection and centralized monitoring and management.

In order to achieve the above purpose, an embodiment of the present invention provides a traction substation integrated lightning protection screen cabinet, which includes a first cabinet door and a cabinet body; a human-machine interactive display device is arranged on the first cabinet door; At least one lightning protection module is provided, the lightning protection module includes at least one surge protection module, the surge protection module is used to protect the power supply line from surge current, and the surge protection module includes a base and a At least one module head, the module head is connected to the base by plugging, and the base can be plugged with multi-channel module heads, thereby realizing surge current protection for several power circuits, which is convenient for centralized protection, monitoring and management;

The cabinet is provided with a lighting device, a microcomputer temperature controller, a communication device, a signal surge protector, a self-provided power supply, and a combination of one or more of the grounding resistance tester;

The module head includes a first casing and a signal detection device, a low-temperature tripping device, a varistor and a fuse set in the first casing. The first casing is provided with an observation window, indicator lights, electrical connectors, A ground connection piece and a signal connection piece, the electrical connection piece, the low temperature trip device, the varistor, the fuse and the ground connection piece are electrically connected in sequence, the indicator light is connected in parallel with the fuse, and the indicator light is used to indicate Whether the fuse is in a blown state means whether the module head is in a surge current protection state, and the signal detection device is in communication connection with the signal connector.

Further, the first cabinet door is provided with locks and/or heat dissipation holes.

Optionally, the traction substation integrated lightning protection screen cabinet further includes a second cabinet door, the second cabinet door is arranged on the rear side of the cabinet body, and the second cabinet door is provided with a lock and/or a heat dissipation hole.

Further, the low-temperature tripping device is driven to connect an indicator, the indicator is corresponding to the position of the observation window, and the indicator is used to indicate whether the low-temperature tripping device is in a tripping state, that is, whether the module head is in a surge current. Protection state; the signal detection device includes at least one of a temperature sensor, a current transformer, and a magnetic field sensor, and the signal detection device is used to detect the module head state signal and output or input the signal through the signal connector.

Further, the base includes a second casing, a wiring board, a ground bar, a signal transfer board and a control circuit board, the second casing has a groove structure, and the module head is inserted into the groove structure of the base, which is convenient. It is used for plug-in connection, which is convenient for installation and maintenance, and avoids the problem of messy wiring.

Further, the wiring board is arranged in the second housing, the wiring board is connected with a clip, and the electrical connector of the module head is electrically connected with the wiring board through the clip, which is convenient for plug connection, easy installation and maintenance, and avoids the need for a The problem of messy wiring.

Further, the grounding row is arranged in the second housing, and the grounding connector of the module head is electrically connected to the grounding row, which is convenient for plug connection, convenient for installation and maintenance, and avoids the problem of messy wiring.

Further, the signal adapter board is disposed in the second housing, and the signal adapter board includes a first PCB board (printed circuit board, Printed Circuit Board, PCB board for short) and a circuit board provided on the first PCB board. The first connector and at least one contact, the contact is connected to the first connector through the first PCB board wiring, and the signal connector of the module head is communicatively connected to the contact, thereby outputting the status signal of each module head to the Signal transfer board, or input signals to the module head, realize centralized output/input and management of the status signals of each module head of the surge protection module, and at the same time, it is convenient for plug-in connection, convenient for installation and maintenance, and avoids the problem of messy wiring.

Further, the control circuit board includes a second board and a second connector set on the second PCB board, a microprocessor, a communication device, a power port and a power conversion chip, and the microprocessor is respectively connected with the second connector, The communication equipment is connected with the power conversion chip, the power conversion chip is connected with the power port, the control circuit board is connected with the signal conversion board through the second connector, and the communication equipment is connected with the human-computer interactive display device, thereby connecting the modules of each channel. The status signal of the head is centrally transmitted to the control circuit board through the signal adapter board, or the signal is input to the module head, and the centralized monitoring and management of each module head is realized through the microprocessor, and then the human-computer interaction is realized through the human-computer interaction display device. , the human-computer interaction display device may include a touch screen, through the touch screen of the human-computer interaction display device, the surge protection module can be centrally monitored, managed or inquired in real time, and the working status of each module head can be displayed in real time, which can be Fusing state, tripping state or whether it is in a normal surge current protection state, at the same time, alarm information can be sent to facilitate user maintenance and processing. Through this traction substation integrated lightning protection screen cabinet, a number of surge protection modules can be set centrally, and a number of circuits can be set centrally. The module head realizes surge current protection for several circuits, and at the same time realizes unified installation and centralized monitoring, which significantly improves work efficiency and intelligence.

Further, the lightning protection module includes at least one fixing plate, the fixing plate has an installation hole, and the surge protection module is arranged in the installation hole of the fixing plate, which is convenient for the installation of the surge protection module.

Further, the first cabinet door is provided with a lock and/or a heat dissipation hole; the cabinet body is provided with a lighting device, a fan, a wireless communication device, a signal surge protector, a self-provided power supply, and a grounding resistance tester. At least one item; self-provided power supply is used to provide backup power supply when mains power is cut off, self-provided power supply is preferably lithium battery; the lighting device, fan, wireless communication equipment, signal surge protector, self-provided power supply or grounding resistance The tester is connected with the human-computer interaction display device, and the above-mentioned equipment can be monitored and managed through the human-computer interaction display device.

Further, it also includes an intelligent central concentrator, a network switch and a monitoring system; the human-computer interaction display device or the surge protection module is communicated and connected with the monitoring system through the intelligent central concentrator and/or the network switch, and the monitoring system includes a host computer, a display, a Servers and mobile terminals. Optionally, the mobile terminal can be a mobile terminal such as a tablet computer, a mobile phone, etc.; in this way, the remote monitoring and management of the integrated lightning protection screen cabinet of the traction substation can be realized, and the centralized monitoring and management of various surge protection modules can be realized remotely. , improve work efficiency and intelligence.

Further, the communication module includes a wired communication interface and/or a wireless communication interface;

Preferably, the wired communication interface includes a combination of one or more of bus, RS485, RS232, CAN, power carrier, and Ethernet;

Preferably, the wireless communication interface includes a combination of one or more of Wifi, Bluetooth, Zigbee, 2G/3G/4G/5G.

Further, a temperature sensor is set in the microcomputer temperature controller, and the microcomputer temperature controller is connected to a fan.

The traction substation comprehensive lightning protection screen cabinet provided by the invention has the following beneficial effects:

(1) Several surge protection modules can be set centrally through the traction substation integrated lightning protection screen cabinet of the present invention, and several module heads are set centrally to realize the lightning surge current protection of several loops, and to realize unified installation and centralized monitoring;

(2) The module head and base of the surge protection module are convenient for plug connection, easy to install and maintain, and avoid the problem of messy wiring;

(3) Display the working status and alarm information of each module head in real time through the human-computer interaction display device;

(4) The computer interactive display device or the surge protection module is communicated with the monitoring system through the intelligent concentrator and/or network switch, so as to realize the centralized monitoring and management of each module head of the surge protection module, and realize the remote control of the traction Monitoring and management of substation integrated lightning protection screen cabinet;

(5) The overall design is reasonable, realizes centralized lightning protection, and is convenient for user management. It can be widely used in power distribution places such as railway system traction substations, and significantly improves work efficiency and intelligence.

Description of drawings

FIG. 1 is a schematic structural diagram of a traction substation integrated lightning protection screen cabinet in an open state provided by the present invention.

FIG. 2 is a schematic structural diagram of a module head in a traction substation integrated lightning protection screen cabinet provided by the present invention.

3 is a schematic structural diagram of a surge protection module in a traction substation integrated lightning protection screen cabinet provided by the present invention.

FIG. 4 is a schematic structural diagram of the first side of the signal transfer board in the integrated lightning protection screen cabinet for traction substation provided by the present invention.

FIG. 5 is a schematic structural diagram of the second side of the signal transfer board in the integrated lightning protection screen cabinet for traction substation provided by the present invention.

6 is a schematic structural diagram of a control circuit board in a traction substation integrated lightning protection screen cabinet provided by the present invention.

7 is a schematic structural diagram of a fixed plate in a traction substation integrated lightning protection screen cabinet provided by the present invention.

Description of reference numbers:

1. The first cabinet door; 101, Human-computer interaction display device; 102, Locks; 103, Heat dissipation holes; 2, Cabinet body; 201, Lighting device; 202, Fan; 203, Wireless communication equipment; 204, Signal surge protection 2041, mounting plate; 205, self-provided power supply; 206, grounding resistance tester; 3, lightning protection module; 31, fixing plate; 311, mounting hole; 32, surge protection module; 321, module head; 3211 32111, observation window; 3212, indicator light; 3213, electrical connection piece; 3214, ground connection piece; 3215, signal connection piece; 3216, signal detection device; 3217, low temperature tripping device; 32171, indication Brand; 3218, varistor; 3219, fuse; 322, base; 3221, second shell; 3222, wiring board; 3223, clip; 3224, grounding row; 3225, signal transfer board; 32252, contacts; 32253, first connector; 3226, control circuit board; 32261, second PCB; 32262, second connector; 32263, microprocessor; 32264, communication equipment; 32265, Power port; 32266, power conversion chip.

Detailed ways

The traction substation integrated lightning protection screen cabinet of the present invention will be described in detail below with reference to the accompanying drawings.

Fig. 1 shows a schematic diagram of the structure of the traction substation integrated lightning protection screen cabinet provided by the present invention in an open state, Fig. 2 shows a schematic diagram of the structure of the module head in the traction substation integrated lightning protection screen cabinet provided by the present invention, and Fig. 3 shows The present invention provides a schematic structural diagram of a surge protection module in a traction substation integrated lightning protection screen cabinet. Figure 4 shows a schematic structural diagram of the first side of a signal switch board in a traction substation comprehensive lightning protection screen cabinet provided by the present invention. Figure 5 Provides a schematic structural diagram of the second side of the signal switching board in the traction substation integrated lightning protection screen cabinet for the present invention. Figure 6 shows a schematic structural diagram of the control circuit board in the traction substation comprehensive lightning protection screen cabinet provided by the present invention. Figure 7 A schematic structural diagram of the fixed plate in the integrated lightning protection screen cabinet for traction substation provided by the present invention is shown.

As shown in Figures 1-7, a traction substation integrated lightning protection screen cabinet according to a preferred embodiment of the present invention includes a first cabinet door 1 and a cabinet body 2; a man-machine interactive display device 101 is arranged on the cabinet door 1; The computer interactive display device 101 can be an industrial computer, and the cabinet 2 is provided with at least one lightning protection module 3, the lightning protection module 3 includes at least one surge protection module 32, and the surge protection module 32 is used to conduct electricity on the power line. Inrush current protection, the surge protection module 32 includes a base 322 and at least one module head 321, the module head 321 is connected to the base 322 by plugging, and the base can be plugged with multi-channel module heads, thereby realizing the protection of several power circuits. Surge current protection is convenient for centralized protection, monitoring and management; the module head and base of the surge protection module are convenient for plug-in connection, easy to install and maintain, and occupy a small volume and a more compact structure, comprehensive lightning protection for traction substations The panel cabinet supports lightning protection for power cables, and the integrated lightning protection panel for traction substations also supports lightning protection for signal circuits. The types include coaxial cables, telephone lines, RS485, RS232, and network cables. combination.

The cabinet 2 is provided with a lighting device 201 , a microcomputer temperature controller 202 , a communication device 203 , a signal surge protector 204 , a self-provided power supply 205 , and a grounding resistance tester 206 , one or a combination of them.

The lighting device is installed in the cabinet. When the cabinet door is opened, the lighting device 201 in the cabinet is turned on, which is convenient for the staff to check and maintain; When the temperature exceeds the set value, the cooling system automatically starts to prevent overheating damage to the components in the cabinet and prolong the service life; the communication device 203 realizes the communication with the upper computer and the connection terminal; the signal surge protector 204 realizes the signal transmission line. The self-provided power supply 205 ensures the normal operation of the traction substation integrated lightning protection screen cabinet when the power is cut off; the traction substation integrated lightning protection screen cabinet can test the grounding resistance according to the preset frequency, and can also be manually or remotely accepted. The higher-level instruction conducts the test, records the test results, and alarms locally and remotely when the index is exceeded.

The module head 321 includes a first casing 3211 and a signal detection device 3216, a low-temperature tripping device 3217, a varistor 3218 and a fuse 3219 arranged in the first casing 3211. The first casing 3211 is provided with an observation window 32111, The indicator light 3212, the electrical connector 3213, the ground connector 3214 and the signal connector 3215, the electrical connector 3213, the low temperature trip device 3217, the varistor 3218, the fuse 3219 and the ground connector 3214 are electrically connected in sequence, and the indicator light 3212 Connected in parallel with the fuse 3219, the indicator light is used to indicate whether the fuse is in a blown state, that is, whether the module head is in a surge current protection state, and the signal detection device 3216 is connected in communication with the signal connector 3215.

The first cabinet door 1 is provided with a lock 102 and/or a heat dissipation hole 103 .

The traction substation integrated lightning protection screen cabinet further includes a second cabinet door, the second cabinet door is arranged on the rear side of the cabinet body, and the second cabinet door is provided with a lock and/or a heat dissipation hole.

The low-temperature tripping device 3217 is driven and connected to an indicator 32171, the indicator 32171 corresponds to the position of the observation window 32111, and the indicator is used to indicate whether the low-temperature tripping device is in a tripping state, that is, whether the module head is in a surge current protection state; The signal detection device 3216 includes at least one of a temperature sensor, a current transformer, and a magnetic field sensor, and the signal detection device is used to detect the module head status signal and output or input the signal through the signal connection.

The base 322 includes a second housing 3221, a wiring board 3222, a ground bar 3224, a signal transfer board 3225 and a control circuit board 3226. The second housing 3221 has a groove structure, and the module head 321 is inserted into the groove of the base 322. In the structure, it is convenient for plug connection, convenient for installation and maintenance, and avoids the problem of messy wiring.

The wiring board 3222 is arranged in the second housing 3221, the wiring board 3222 is connected to a clip 3223, and the electrical connector 3213 of the module head 321 is electrically connected to the wiring board 3222 through the clip 3223, which is convenient for plug connection and easy installation Maintenance to avoid the problem of messy wiring.

The grounding bar 3224 is arranged in the second housing 3221, and the grounding connector 3214 of the module head 321 is electrically connected to the grounding bar 3224, which is convenient for plug connection, convenient for installation and maintenance, and avoids the problem of messy wiring.

The signal transfer board 3225 is disposed in the second housing 3221, and the signal transfer board 3225 includes a first PCB board 32251, a first connector 32253 and at least one contact 32252 provided on the first PCB board 32251, and the contact 32252 passes through The wiring of the first PCB board 32251 is connected to the first connector 32253, and the signal connector 3215 of the module head 321 is communicatively connected to the contact 32252, thereby outputting the status signal of each module head to the signal transfer board, or to the module The head input signal realizes the centralized output/input and management of the status signal of each module head of the surge protection module, and at the same time, it is convenient for plug-in connection, convenient for installation and maintenance, and avoids the problem of messy wiring.

The control circuit board 3226 includes a second PCB board 32261 and a second connector 32262 provided on the second PCB board 32261, a microprocessor 32263, a communication device 32264, a power port 32265 and a power conversion chip 32266. The second connector 32262, the communication device 32264 are connected to the power conversion chip 32266, the power conversion chip 32266 is connected to the power port 32265, the control circuit board 3226 is connected to the signal transfer board 3225 through the second connector 32262, and the communication device 32264 is connected to the signal transfer board 3225. The human-computer interaction display device 101 is connected in communication, thereby centrally transmitting the status signals of each module head to the control circuit board through the signal adapter board, or inputting signals to the module head, and realizing the centralization of each module head through the microprocessor Monitor and manage, and then realize human-computer interaction through the human-computer interaction display device. The human-computer interaction display device may include a touch screen, and the surge protection module can be centrally monitored, managed or inquired in real time through the touch screen of the human-computer interaction display device. It can display the working status of each module head in real time, which can be fused status, trip status or whether it is in normal surge current protection status, and can send alarm information at the same time, which is convenient for users to maintain and deal with. The panel cabinet can centrally set up several surge protection modules, and centrally set up several module heads to achieve surge current protection for several circuits, and at the same time realize unified installation and centralized monitoring, which significantly improves work efficiency and intelligence.

The lightning protection module 3 includes at least one fixing plate 31, the fixing plate 31 has an installation hole 311, and the surge protection module 32 is arranged in the installation hole 311 of the fixing plate 31, which is convenient for the installation of the surge protection module.

The first cabinet door 1 is provided with a lock 102 and/or a heat dissipation hole 103;

Lightning protection module 3, lighting device 201, fan 202, communication equipment 203, signal surge protector 204, self-provided power supply 205, grounding resistance tester 206 are connected to the human-computer interaction display device 101, which can be connected through the human-computer interaction display device 101 realizes monitoring and management of the above-mentioned equipment.

It also includes an intelligent central concentrator, a network switch and a monitoring system; the human-computer interaction display device 101 or the surge protection module 32 is communicated and connected to the monitoring system through the intelligent central concentrator and/or the network switch, and the monitoring system includes a host computer, a display, a server and mobile terminals. Optionally, the mobile terminal can be a mobile terminal such as a tablet computer, a mobile phone, etc.; in this way, the remote monitoring and management of the integrated lightning protection screen cabinet of the traction substation can be realized, and the centralized monitoring and management of various surge protection modules can be realized remotely. , improve work efficiency and intelligence.

The communication module has a wired communication interface and\or a wireless communication interface; the display communication module also has a wired communication interface and\or a wireless communication interface;

The wired communication interface includes a combination of one or more of bus, RS485, RS 232, CAN, power carrier, and Ethernet;

The wireless communication interface includes a combination of one or more of Wifi, Bluetooth, Zigbee, 2G/3G/4G/5G.

A temperature sensor is set in the microcomputer temperature controller 202, and the microcomputer temperature controller 202 is connected to the fan. When it detects that the temperature is too high, the fan is started to cool down, so as to ensure the normal working environment temperature of the integrated lightning protection screen cabinet for traction substation.

The size of the traction substation integrated lightning protection screen cabinet is (2210-2310)×(750-850)×(550-650)mm. The cabinet occupies one cabinet during installation, and the bottom is fixed with a movable raised seat, which can be adjusted according to the site. Adjust the height of the situation.

Example 1

The traction substation integrated lightning protection screen cabinet includes a first cabinet door 1 and a cabinet body 2; a man-machine interactive display device 101 is arranged on the cabinet door 1; A lightning protection module 3, the lightning protection module 3 includes at least one surge protection module 32, the surge protection module 32 is used to protect the power supply line from surge current, and the surge protection module 32 includes a base 322 and at least one module The head 321, the module head 321 is connected to the base 322 by plugging, and the base can be plugged with multi-channel module heads, thereby realizing the surge current protection for several power circuits, which is convenient for centralized protection, monitoring and management; surge protection The module head and the base of the module are easy to plug and connect, easy to install and maintain, and occupy a small volume and a more compact structure. The traction substation integrated lightning protection screen cabinet supports the lightning protection of power cables The panel cabinet also supports lightning protection for signal circuits. The types include coaxial cables, telephone lines, RS485, RS232, and network cables. The number of various types can be combined arbitrarily.

The cabinet 2 is provided with a lighting device 201 , a microcomputer temperature controller 202 , a communication device 203 , a signal surge protector 204 , a self-provided power supply 205 , and a grounding resistance tester 206 , one or a combination of them.

A lighting device 201 is arranged in the cabinet body 2 or on the first cabinet door 1, and a micro switch is arranged on the first cabinet door 1. The lighting device 201 is linked with the micro switch. When the first cabinet door is opened, the micro switch is triggered to send out a signal. The lighting device 201 in the cabinet is turned on, which is convenient for the staff to check and maintain; the integrated lightning protection screen cabinet of the traction substation is equipped with a microcomputer temperature controller 202 and a ventilation and heat dissipation system. The ventilation and heat dissipation system adopts a fan or other refrigeration equipment. When the set value is exceeded, the cooling system automatically starts to prevent overheating and damage of components in the cabinet and prolong the service life; the communication equipment 203 realizes the communication with the upper computer and local communication; the signal surge protector 204 realizes the effective protection of the signal transmission line; The self-provided power supply 205 ensures the normal operation of the traction substation integrated lightning protection screen cabinet when the power is cut off; the traction substation integrated lightning protection screen cabinet can test the grounding resistance according to the preset frequency through the grounding resistance tester 206, and can also perform manual or manual Remotely accept superior instructions for testing, record test results, and report local and remote alarms when indicators are exceeded.

Example 2

In addition to the technical solution of Embodiment 1, the following technical solutions are also included:

The module head 321 includes a first casing 3211 and a signal detection device 3216, a low-temperature tripping device 3217, a varistor 3218 and a fuse 3219 arranged in the first casing 3211. The first casing 3211 is provided with an observation window 32111, The indicator light 3212, the electrical connector 3213, the ground connector 3214 and the signal connector 3215, the electrical connector 3213, the low temperature trip device 3217, the varistor 3218, the fuse 3219 and the ground connector 3214 are electrically connected in sequence, and the indicator light 3212 Connected in parallel with the fuse 3219, the indicator light is used to indicate whether the fuse is in a blown state, that is, whether the module head is in a surge current protection state, and the signal detection device 3216 is connected in communication with the signal connector 3215.

Example 3

In addition to the technical solutions of Embodiment 1 or 2, the following technical solutions are also included:

The traction substation integrated lightning protection screen cabinet also includes a second cabinet door, the second cabinet door is arranged on the rear side of the cabinet body, and the second cabinet door is provided with cabinet locks and/or heat dissipation holes.

Example 4

In addition to the technical solutions of any one of Embodiments 1-3, the following technical solutions are also included:

The low-temperature tripping device 3217 is driven and connected to an indicator 32171, the indicator 32171 corresponds to the position of the observation window 32111, and the indicator is used to indicate whether the low-temperature tripping device is in a tripping state, that is, whether the module head is in a surge current protection state; The signal detection device 3216 includes at least one of a temperature sensor, a current transformer, and a magnetic field sensor, and the signal detection device is used to detect the module head status signal and output or input the signal through the signal connection.

Example 5

In addition to the technical solutions of any one of Embodiments 1-4, the following technical solutions are also included:

The base 322 includes a second housing 3221, a wiring board 3222, a ground bar 3224, a signal transfer board 3225 and a control circuit board 3226. The second housing 3221 has a groove structure, and the module head 321 is inserted into the groove of the base 322. In the structure, it is convenient for plug connection, convenient for installation and maintenance, and avoids the problem of messy wiring.

Example 6

In addition to the technical solutions of any one of Embodiments 1-5, the following technical solutions are also included:

The wiring board 3222 is arranged in the second housing 3221, the wiring board 3222 is connected to a clip 3223, and the electrical connector 3213 of the module head 321 is electrically connected to the wiring board 3222 through the clip 3223, which is convenient for plug connection and easy installation Maintenance to avoid the problem of messy wiring.

The grounding bar 3224 is arranged in the second housing 3221, and the grounding connector 3214 of the module head 321 is electrically connected to the grounding bar 3224, which is convenient for plug connection, convenient for installation and maintenance, and avoids the problem of messy wiring.

Example 7

In addition to the technical solutions of any of the embodiments 1-6, the following technical solutions are also included:

The signal transfer board 3225 is disposed in the second housing 3221, and the signal transfer board 3225 includes a first PCB board 32251, a first connector 32253 and at least one contact 32252 provided on the first PCB board 32251, and the contact 32252 passes through The wiring of the first PCB board 32251 is connected to the first connector 32253, and the signal connector 3215 of the module head 321 is communicatively connected to the contact 32252, thereby outputting the status signal of each module head to the signal transfer board, or to the module The head input signal realizes the centralized output/input and management of the status signal of each module head of the surge protection module, and at the same time, it is convenient for plug-in connection, convenient for installation and maintenance, and avoids the problem of messy wiring.

The control circuit board 3226 includes a second PCB board 32261 and a second connector 32262 provided on the second PCB board 32261, a microprocessor 32263, a communication device 32264, a power port 32265 and a power conversion chip 32266. The second connector 32262, the communication device 32264 are connected to the power conversion chip 32266, the power conversion chip 32266 is connected to the power port 32265, the control circuit board 3226 is connected to the signal transfer board 3225 through the second connector 32262, and the communication device 32264 is connected to the signal transfer board 3225. The human-computer interaction display device 101 is connected in communication, thereby centrally transmitting the status signals of each module head to the control circuit board through the signal adapter board, or inputting signals to the module head, and realizing the centralization of each module head through the microprocessor Monitor and manage, and then realize human-computer interaction through the human-computer interaction display device. The human-computer interaction display device may include a touch screen, and the surge protection module can be centrally monitored, managed or inquired in real time through the touch screen of the human-computer interaction display device. It can display the working status of each module head in real time, which can be fused status, trip status or whether it is in normal surge current protection status, and can send alarm information at the same time, which is convenient for users to maintain and deal with. The panel cabinet can centrally set up several surge protection modules, and centrally set up several module heads to achieve surge current protection for several circuits, and at the same time realize unified installation and centralized monitoring, which significantly improves work efficiency and intelligence.

Example 8

In addition to the technical solutions of any of the embodiments 1-6, the following technical solutions are also included:

The lightning protection module 3 includes at least one fixing plate 31, the fixing plate 31 has an installation hole 311, and the surge protection module 32 is arranged in the installation hole 311 of the fixing plate 31, which is convenient for the installation of the surge protection module.

Example 9

In addition to the technical solutions of any one of Embodiments 1-8, the following technical solutions are also included:

The first cabinet door 1 is provided with a lock 102 and/or a cooling hole 103; the lock 102 ensures the safety of equipment in the cabinet, and the cooling hole 103 cooperates with the microcomputer temperature controller 202 and the fan to ensure the working temperature in the cabinet.

Example 10

In addition to the technical solutions of any one of Embodiments 1-9, the following technical solutions are also included:

It also includes an intelligent central concentrator, a network switch and a monitoring system; the human-computer interaction display device 101 or the surge protection module 32 is communicated and connected to the monitoring system through the intelligent central concentrator and/or the network switch, and the monitoring system includes a host computer, a display, a server and mobile terminals. Optionally, the mobile terminal can be a mobile terminal such as a tablet computer, a mobile phone, etc.; in this way, the remote monitoring and management of the integrated lightning protection screen cabinet of the traction substation can be realized, and the centralized monitoring and management of various surge protection modules can be realized remotely. , improve work efficiency and intelligence.

Example 11

In addition to the technical solutions of any one of Embodiments 1-9, the following technical solutions are also included:

The communication module has a wired communication interface and\or a wireless communication interface; the display communication module also has a wired communication interface and\or a wireless communication interface;

The wired communication interface includes a combination of one or more of bus, RS485, RS 232, CAN, power carrier, and Ethernet;

The wireless communication interface includes a combination of one or more of Wifi, Bluetooth, Zigbee, 2G/3G/4G/5G.

Example 12

In addition to the technical solutions of any one of Embodiments 1-9, the following technical solutions are also included:

A temperature sensor is set in the microcomputer temperature controller 202, and the microcomputer temperature controller 202 is connected to a fan. When it detects that the temperature is too high, the fan is started to cool down through the heat dissipation hole, so as to ensure the normal working environment temperature of the traction substation integrated lightning protection screen cabinet.

The size of the traction substation integrated lightning protection screen cabinet is (2210-2310)×(750-850)×(550-650)mm. The cabinet occupies one cabinet during installation, and the bottom is fixed with a movable raised seat, which can be adjusted according to the site. Adjust the height of the situation.

Compared with the prior art, the present application has the following beneficial effects:

(1) Several surge protection modules can be set centrally through the traction substation integrated lightning protection screen cabinet of the present invention, and several module heads are set centrally to realize the lightning surge current protection of several loops, and to realize unified installation and centralized monitoring;

(2) The module head and base of the surge protection module are convenient for plug connection, easy to install and maintain, and avoid the problem of messy wiring;

(3) Display the working status and alarm information of each module head in real time through the human-computer interaction display device;

(4) The computer interactive display device or the surge protection module is communicated with the monitoring system through the intelligent concentrator and/or network switch, so as to realize the centralized monitoring and management of each module head of the surge protection module, and realize the remote control of the traction Monitoring and management of substation integrated lightning protection screen cabinet;

(5) The overall design is reasonable, realizes centralized lightning protection, and is convenient for user management. It can be widely used in power distribution places such as railway system traction substations, and significantly improves work efficiency and intelligence.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present invention, which should cover within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (10)

1. A traction transformation comprehensive lightning protection screen cabinet comprises a first cabinet door (1) and a cabinet body (2); a man-machine interaction display device (101) is arranged on the first cabinet door (1); the cabinet body (2) is internally provided with at least one lightning protection module (3), and the lightning protection module (3) is characterized by comprising at least one surge protection module (32), wherein the surge protection module (32) comprises a base (322) and at least one module head (321), and the module head (321) is connected with the base (322) in an inserting manner;

the cabinet body (2) is also provided with one or a combination of a lighting device (201), a microcomputer temperature control instrument (202), a communication device (203), a signal surge protector (204), a self-contained power supply (205) and a grounding resistance tester (206).

2. The traction transformation comprehensive lightning protection screen cabinet according to claim 1, wherein the module head (321) comprises a first housing (3211) and a signal detection device (3216), a low-temperature trip device (3217), a varistor (3218) and a fuse (3219) arranged in the first housing (3211), an observation window (32111), an indicator light (3212), an electrical connector (3213), a ground connector (3214) and a signal connector (3215) are arranged on the first housing (3211), the electrical connector (3213), the low-temperature trip device (3217), the varistor (3218), the fuse (3219) and the ground connector (3214) are electrically connected in sequence, the indicator light (3212) is connected in parallel with the fuse (3219), and the signal detection device (3216) is in communication connection with the signal connector (3215).

3. The traction transformation comprehensive lightning protection screen cabinet according to claim 1 or 2, wherein the low-temperature tripping device (3217) is in driving connection with an indicator (32171), and the indicator (32171) corresponds to the observation window (32111);

the signal detection device (3216) comprises one or more of a temperature sensor, a current transformer, and a magnetic field sensor.

4. The traction transformation integrated lightning protection screen cabinet according to claim 3, wherein the base (322) comprises a second shell (3221), a wiring board (3222), a grounding bar (3224), a signal adapter board (3225) and a control circuit board (3226), and the second shell (3221) has a groove structure;

the wiring board (3222) is arranged in the second shell (3221), the wiring board (3222) is connected with a clamping piece (3223), and the electric connecting piece (3213) of the module head (321) is electrically connected with the wiring board (3222) through the clamping piece (3223);

the grounding bar (3224) is arranged in the second shell (3221), and the grounding connecting piece (3214) of the module head (321) is electrically connected with the grounding bar (3224).

5. The traction transformation integrated lightning protection screen cabinet according to claim 3, wherein the signal adapting board (3225) is disposed in the second housing (3221), the signal adapting board (3225) includes a first PCB board (32251), a first connector (32253) and at least one contact (32252) disposed on the first PCB board (32251), the contact (32252) is connected to the first connector (32253) through a first PCB board (32251) trace, and the signal connector (3215) of the module head (321) is in communication connection with the contact (32252);

the control circuit board (3226) comprises a second PCB board (32261) and a second connector (32262), a microprocessor (32263), communication equipment (32264), a power port (32265) and a power conversion chip (32266) which are arranged on the second PCB board (32261), the microprocessor (32263) is respectively connected with the second connector (32262), the communication equipment (32264) and the power conversion chip (32266), the power conversion chip (32266) is connected with the power port (32265), the control circuit board (3226) is in plug-in connection with the signal adapter board (3225) through the second connector (32262), and the communication equipment (32264) is in communication connection with the human-computer interaction display device (101).

6. The traction transformation integrated lightning protection screen cabinet according to claim 1, wherein the lightning protection module (3) comprises at least one fixing plate (31), the fixing plate (31) has a mounting hole (311), and the surge protection module (32) is disposed in the mounting hole (311) of the fixing plate (31).

7. The traction transformation integrated lightning protection screen cabinet according to claim 1, wherein the first cabinet door (1) is provided with a lock (102) and/or a heat dissipation hole (103).

8. The traction transformation integrated lightning protection screen cabinet according to any one of claims 1 to 7, further comprising an intelligent concentrator, a network switch and a monitoring system; the human-computer interaction display device (101) or the surge protection module (32) is in communication connection with the monitoring system through the intelligent concentrator and/or the network switch, and the monitoring system comprises an upper computer, a display, a server and a mobile terminal.

9. The traction transformation integrated lightning protection screen cabinet according to any one of claims 1 to 7, wherein the communication equipment comprises a wired communication interface and/or a wireless communication interface;

the wired communication interface comprises one or more of a bus, an RS485, an RS232, a CAN, a power carrier and an Ethernet;

the wireless communication interface comprises one or more of Wifi, Bluetooth, Zigbee and 2G/3G/4G/5G in combination.

10. The traction transformation integrated lightning protection screen cabinet according to claim 1, wherein a temperature sensor is arranged in the microcomputer temperature controller (202), and the microcomputer temperature controller (202) is connected with a fan in a control mode.

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