[go: up one dir, main page]

CN119381960A - A central switch cabinet centralized control device - Google Patents

A central switch cabinet centralized control device Download PDF

Info

Publication number
CN119381960A
CN119381960A CN202411490447.1A CN202411490447A CN119381960A CN 119381960 A CN119381960 A CN 119381960A CN 202411490447 A CN202411490447 A CN 202411490447A CN 119381960 A CN119381960 A CN 119381960A
Authority
CN
China
Prior art keywords
switching
loop
control
switch
remote
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202411490447.1A
Other languages
Chinese (zh)
Inventor
林培亮
张泽彬
林典茂
刘龙春
吴哲
崔畅
陈璇
陈耿
黄学禹
黄锐斌
张扬帆
蔡沁晴
庄丽茹
林冬晓
刘欢欢
陈怿亮
潘家玮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Shantou Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Shantou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd, Shantou Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN202411490447.1A priority Critical patent/CN119381960A/en
Publication of CN119381960A publication Critical patent/CN119381960A/en
Pending legal-status Critical Current

Links

Landscapes

  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

本发明公开一种中置开关柜集控装置。该装置包括:一体化操控控制模块及接线排子及断路器模块;一体化操控控制模块上集成操控板及控制器;操控板包括合分闸转换开关及带电显示器;控制器包括合分闸控制回路、第一信号采集回路及带电显示回路;开关通过合分闸控制回路与断路器模块电连;采集回路通过显示回路与显示器电连;开关接收就地指令及合闸指令以使合分闸控制回路根据就地、合闸指令控制断路器模块合闸;接收就地指令及分闸指令使合分闸控制回路就地、分闸指令控制断路器模块分闸;接收远方指令使合分闸控制回路根据远方指令及远控合闸信号控制断路器模块合闸;接收远方指令使合分闸控制回路根据远方指令及远控分闸信号控制断路器模块合闸。

The invention discloses a central switch cabinet centralized control device. The device comprises: an integrated control module, a wiring board and a circuit breaker module; a control panel and a controller are integrated on the integrated control module; the control panel comprises a closing and opening switch and a live display; the controller comprises a closing and opening control circuit, a first signal acquisition circuit and a live display circuit; the switch is electrically connected to the circuit breaker module through the closing and opening control circuit; the acquisition circuit is electrically connected to the display through the display circuit; the switch receives local instructions and closing instructions so that the closing and opening control circuit controls the circuit breaker module to close according to the local and closing instructions; receives local instructions and opening instructions so that the closing and opening control circuit controls the circuit breaker module to open according to the local and opening instructions; receives remote instructions so that the closing and opening control circuit controls the circuit breaker module to close according to the remote instructions and the remote control closing signal; receives remote instructions so that the closing and opening control circuit controls the circuit breaker module to close according to the remote instructions and the remote control opening signal.

Description

Central control device for centrally-mounted switch cabinet
Technical Field
The embodiment of the invention relates to the technical field of switch cabinets, in particular to a centralized control device for a centrally-mounted switch cabinet.
Background
The panel of the existing mid-set switch cabinet comprises a plurality of display units such as a switching-on/off change-over switch, a remote on-site change-over switch and a live display, and the control loops corresponding to the display units on the panel of the mid-set switch cabinet comprise a plurality of types, such as the switching-on/off change-over loop and the live circuit, and because the existing mid-set switch cabinet has no unified standard, devices of each manufacturer are incompatible, independent electrical design and wiring work must be carried out on the panel of the mid-set switch cabinet and each control loop through a terminal block of a low-voltage box, thus complicacy of wiring is caused, a large number of wires and cables are consumed, meanwhile, the requirements on the professional and detailed requirements of wiring operators are very high, and the switching-on/off change-over switch and the remote on-site change-over switch on the panel of the existing mid-set switch cabinet are two independent switches, so that the space utilization rate on the panel of the mid-set switch cabinet is not high, and the cost is high.
Disclosure of Invention
The invention provides a centralized control device of a centrally-mounted switch cabinet, which integrates a control board and a controller into an integrated control module, and meanwhile, an opening and closing change-over switch and a remote on-site change-over switch on the control board are integrated into a change-over switch, so that the space utilization rate of the integrated control module is higher, and the cost is lower.
In order to achieve the aim, the embodiment of the invention provides a centralized control device of a centrally-mounted switch cabinet, which comprises an integrated control module, a wiring bar and a circuit breaker module, wherein the integrated control module is connected with the circuit breaker module through the wiring bar;
The control panel comprises a switching-on/off change-over switch and a live display, wherein the controller comprises a switching-on/off control loop, a first signal acquisition loop and a live display loop, the switching-on/off change-over switch and the switching-on/off pressing plate are electrically connected with the circuit breaker module through the switching-on/off control loop, and the first signal acquisition loop is electrically connected with the live display through the live display loop;
the first signal acquisition loop is used for detecting the information of the electric quantity input by the middle-placed switch cabinet;
The switching-on/off switching-on change-over switch is used for receiving an on-site instruction and a switching-on instruction to enable the switching-on/off control loop to control the breaker module to switch on according to the on-site instruction and the switching-on instruction, receiving the on-site instruction and the switching-off instruction to enable the switching-on/off control loop to control the breaker module to switch on, receiving a remote instruction to enable the switching-on/off control loop to control the breaker module to switch on according to the remote instruction and a remote switching-on signal, and receiving a remote instruction to enable the switching-on/off control loop to control the breaker module to switch on according to the remote instruction and the remote switching-off signal.
Optionally, the control panel also comprises a temperature and humidity controller and a function indicator lamp, wherein the controller also comprises a temperature and humidity control loop and a state indicator loop;
the second signal acquisition loop is electrically connected with the temperature and humidity controller through the temperature and humidity control loop; the third signal acquisition loop is electrically connected with the function indicator lamp through the state indicator loop;
the second signal acquisition loop is used for detecting temperature and humidity information of the middle-arranged switch cabinet, and the third signal acquisition loop is used for detecting state information of the circuit breaker module.
Optionally, the switching-on/off change-over switch comprises a single-pole four-throw rotary switch.
Optionally, the switching-on and switching-off control loop comprises a local signal terminal, a switching-on signal terminal, a switching-off signal terminal, a remote switching-on signal terminal, a remote switching-off signal terminal, a switching-on pressing plate, a switching-off pressing plate, a breaker switching-on coil and a breaker switching-off coil;
The first end of the local signal terminal and the first end of the remote signal terminal are electrically connected with a high-voltage power supply, the second end of the local signal terminal is electrically connected with the first end of the switching-on signal terminal, and the second end of the switching-on signal terminal is electrically connected with the switching-on coil of the circuit breaker;
The second end of the on-site signal terminal is electrically connected with the first end of the opening signal terminal;
The second end of the remote control switching-on signal terminal is electrically connected with the first end of the remote control switching-off signal terminal through the switching-on pressing plate;
and the second end of the remote control brake-separating signal terminal is electrically connected with the brake-separating coil of the circuit breaker through the brake-closing pressing plate.
Optionally, the controller further comprises a communication loop;
the communication loop is connected with the switching-on and switching-off control loop and is used for sending the position state information of the switching-on and switching-off change-over switch to background monitoring equipment and sending the input state information of the switching-on pressing plate and the switching-off pressing plate to the background monitoring equipment.
Optionally, the communication loop is further connected to the third signal acquisition loop, and is configured to send status information of the circuit breaker module to a background monitoring device.
Optionally, the communication loop is further in communication connection with the second signal acquisition loop and the temperature and humidity control loop, and is used for sending the temperature and humidity information of the middle switch cabinet and the control information of the temperature and humidity control loop to the background monitoring equipment.
Optionally, the temperature and humidity control loop comprises a heating control loop and a fan control loop.
Optionally, the live display loop comprises a main bus live display loop and a cable chamber live display loop;
The controller also includes a latching circuit.
Optionally, the controller further comprises a fourth signal acquisition loop and a relay protection control loop;
The centralized control device of the centrally-mounted switch cabinet further comprises a relay protection device;
The relay protection device comprises a relay protection control loop, a relay protection device, a fourth signal acquisition loop and a third signal acquisition loop, wherein the relay protection control loop is electrically connected with the relay protection device through the relay protection control loop, and the fourth signal acquisition loop is used for detecting and outputting current and voltage information of the middle-placed switch cabinet so that the relay protection control loop outputs a relay protection signal to the relay protection device according to the current and voltage information.
The embodiment of the invention discloses a control board, which comprises a switching-on/off change-over switch and an electrified display, wherein the controller comprises a switching-on/off control loop, a first signal acquisition loop and an electrified display loop, the switching-on/off change-over switch is electrically connected with a circuit breaker module through the switching-on/off control loop, the first signal acquisition loop is electrically connected with the electrified display through the electrified display loop, the control board and the controller are integrated into an integrated control module, the integrated control module is connected with the circuit breaker module through a wiring bar, and the problem that in the prior art, the wiring is complicated because the independent electrical design and wiring work are required to be carried out between the control board of a switch cabinet and each control loop through a terminal bar of a low-voltage box is avoided;
In addition, the switching-on/off switch receives an on-site instruction and a switching-on instruction to enable the switching-on/off control loop to control the switching-on of the breaker module according to the on-site instruction and the switching-on instruction, receives the on-site instruction and the switching-off instruction to enable the switching-on/off control loop to control the switching-on of the breaker module according to the on-site instruction and the switching-off instruction, receives a remote instruction to enable the switching-on/off control loop to control the switching-on of the breaker module according to the remote instruction and a remote switching-on signal, and also receives a remote instruction to enable the switching-on/off control loop to control the switching-on of the breaker module according to the remote instruction and the remote switching-off signal, so that the functions of on-site switching-on/off, remote switching-on and remote switching-off are achieved by using a single switching-on/off switch, the space utilization ratio of the integrated control module is higher, and the cost is lower.
Drawings
Fig. 1 is a schematic structural diagram of a centralized control device of a centrally installed switchgear provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an on-off switching switch according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a specific structure of a centralized control device of a centrally installed switchgear according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a switching control circuit according to an embodiment of the present invention;
Fig. 5 is a schematic structural diagram of a centralized control device for a centrally installed switchgear according to an embodiment of the present invention;
Fig. 6 is a schematic diagram of a specific structure of another centralized control device for a centrally installed switchgear according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
Fig. 1 is a schematic structural diagram of a centralized control device for a centrally-mounted switch cabinet, provided by the embodiment of the invention, as shown in fig. 1, the centralized control device for the centrally-mounted switch cabinet comprises an integrated control module 10, a wiring row 20 and a circuit breaker module 30, wherein the integrated control module 10 is connected with the circuit breaker module 30 through the wiring row 20, and a control board 11 and a controller 12 are integrated on the integrated control module 10;
The control panel 11 comprises a switching-on/off change-over switch 111 and a live display 112, the controller 12 comprises a switching-on/off control loop 121, a first signal acquisition loop 122 and a live display loop 123, the switching-on/off change-over switch 111 is electrically connected with the circuit breaker module 30 through the switching-on/off control loop 121, and the first signal acquisition loop 122 is electrically connected with the live display 112 through the live display loop 123;
a first signal acquisition loop 122, configured to detect input power information of the mid-switch cabinet;
the switching-on/off switch 111 is used for receiving an on-site instruction and a switching-on instruction to enable the switching-on/off control loop 121 to control the breaker module 30 to switch on according to the on-site instruction and the switching-on instruction, receiving the on-site instruction and the switching-off instruction to enable the switching-on/off control loop 121 to control the breaker module 30 to switch off according to the on-site instruction and the switching-off instruction, receiving a remote instruction to enable the switching-on/off control loop to control the breaker module 30 to switch on according to the remote instruction and the remote switching-on signal, and receiving a remote instruction to enable the switching-on/off control loop to control the breaker module 30 to switch on according to the remote instruction and the remote switching-off signal.
The switch 111 of the embodiment outputs different instructions of remote switch-on, remote switch-off, on-site switch-on and on-site switch-off instructions to the switch-on and switch-off control loop 121 under the control of various instructions of a user, and the switch-on and switch-off control loop 121 performs different functions of remote switch-on, remote switch-off, on-site switch-on and on-site switch-off, so that the breaker module 30 is switched on and the breaker module 30 is switched off, when the breaker module 30 is switched on, the intermediate switch cabinet outputs electric energy, and when the breaker module 30 is switched off, the intermediate switch cabinet does not output electric energy. The first signal acquisition circuit 122 can detect the electric quantity information input by the mid-switch cabinet, so that the electric quantity information is sent to the electrified display 112 through the electrified display circuit 123, and the electric quantity information is displayed in real time;
Specifically, the electric quantity information includes main bus electrification information and cable room electrification information, the electrification display circuit 123 includes a main bus electrification display circuit and a cable room electrification display circuit, so that the main bus electrification display circuit and the cable room electrification display circuit respectively send the main bus electrification information and the cable room electrification information to the electrification display 112, and different types of electric quantity information are displayed in real time.
It should be noted that the control board 11 may be provided with a switching-on/off switch 111 and an electrified display 112, the controller 12 includes a switching-on/off control loop 121, a first signal acquisition loop 122 and an electrified display loop 123, other devices may be provided on the control common board 11, and other loops may be provided in the controller 12 according to functional requirements, which are not limited herein, by integrating the control board 11 and the controller 12 into an integrated control module 10, the integrated control module 10 is connected with the circuit breaker module 30 through the terminal bar 20, so that the problem of complicated wiring caused by the fact that in the prior art, the control board 11 and each control loop must be independently electrically designed and wired through the terminal bar of the low-voltage box is avoided;
In addition, the switch 111 on the control board 11 receives an on-site command and a switch-on command to control the switch-on/off control loop 121 to switch on the breaker module 30 according to the on-site command and the switch-on command, receives the on-site command and the switch-off command to control the switch-on/off of the breaker module 30 according to the on-site command and the switch-off command, receives a remote command to control the switch-on/off control loop 121 to switch on the breaker module 30 according to the remote command and the remote switch-on signal, and receives a remote command to control the switch-on/off control loop 121 to switch on the breaker module 30 according to the remote command and the remote switch-on signal, so that the single switch-on/off switch 11 is used to realize on-site switch-off, switch-on and remote switch-off functions, thereby improving the space utilization rate of the integrated control module, reducing the cost, and avoiding the problem of low space utilization rate caused by the functions of on-site switch-off, remote switch-on and remote switch-off functions.
Optionally, fig. 2 is a schematic structural diagram of a switching-on/off switch provided by the embodiment of the present invention, as shown in fig. 2, the switching-on/off switch 111 includes a single-pole four-throw rotary switch, and the model may be LW26-20, where the switching-on/off switch 111 is a single-pole four-throw rotary switch, so that the single-pole four-throw rotary switch may include four states, respectively corresponding to on-site, remote, switching-on and switching-off, and thus, the functions of on-site switching-on, on-site switching-off, remote switching-on and remote switching-off can be completed on the same switch.
Optionally, based on the above embodiment, fig. 3 is a schematic structural diagram of another centralized control device for a mid-switch cabinet according to the embodiment of the present invention, where as shown in fig. 3, the control board 11 further includes a temperature and humidity controller 113 and a function indicator 114, and the controller 12 further includes a second signal acquisition loop 124, a temperature and humidity control loop 125, a third signal acquisition loop 126 and a status indicator loop 127;
the second signal acquisition loop 124 is electrically connected with the temperature and humidity controller 113 through a temperature and humidity control loop 125, and the third signal acquisition loop 126 is electrically connected with the function indicator lamp 114 through a status indicator loop 127;
a second signal acquisition loop 124 for detecting temperature and humidity information of the mid-switch cabinet, and a third signal acquisition loop 126 for detecting status information of the circuit breaker module 30.
The third signal acquisition circuit 126 can detect the state information of the breaker module 30 in real time during the power output of the mid-switch cabinet, wherein the state information comprises the split state of the breaker module 30, the combined state of the breaker module 30 and the energy storage state of the breaker module 30, so that the state information of the breaker module 30 is sent to the function indicator lamp 114 through the state indicator circuit 127, and the function indicator lamp 114 can indicate different state information of the breaker module 30;
In the embodiment, the temperature and humidity information of the middle-placed switch cabinet can be detected by arranging a target temperature and humidity on a temperature and humidity controller 113 of the control panel 11, the temperature and humidity information of the middle-placed switch cabinet can be detected by a second signal acquisition loop 124, a temperature and humidity control loop 125 can be controlled to reach the target temperature and humidity according to the temperature and humidity information of the middle-placed switch cabinet detected by the second signal acquisition loop 124, the temperature and humidity control loop 125 comprises a heating control loop and a fan control loop, when the detected temperature and humidity information of the middle-placed switch cabinet does not reach the target temperature and humidity, the heating control loop can control heating to enable the temperature and humidity information of the middle-placed switch cabinet to reach the target temperature and humidity, and when the detected temperature and humidity information of the middle-placed switch cabinet exceeds the target temperature and humidity, the fan control loop can control heating to enable the temperature and humidity information of the middle-placed switch cabinet to be reduced to the target temperature;
When the temperature and humidity controller 113 and the function indicator lamp 114 are added on the control board 11, the second signal acquisition loop 124, the third signal acquisition loop 126, the temperature and humidity control loop 125 and the status indicator loop 127 are added on the controller 12, the control board 11 and the controller 12 are integrated into an integrated control module 10, the integrated control module 10 is connected with the circuit breaker module 30 through the wiring bar 20, thus avoiding the problem of complicated wiring caused by the fact that independent electrical design and wiring work are required to be performed between the control board 11 and each control loop through the terminal bar of the low-voltage box in the prior art, greatly reducing the complexity of wiring work and reducing the production period.
Optionally, FIG. 4 is a schematic diagram of a switching-on/off control circuit according to an embodiment of the present invention, and as shown in FIG. 4, the switching-on/off control circuit 121 includes an in-situ signal terminal 1-2, a switching-on signal terminal 5-6, a switching-off signal terminal 7-8, a remote signal terminal 3-4, a remote switching-on signal terminal 1211, a remote switching-off signal terminal 1212, a switching-on pressing plate 1213, a switching-off pressing plate 1214, a breaker switching-on coil 1215 and a breaker switching-off coil 1216;
The first end of the local signal terminal 1-2 and the first end of the remote signal terminal 3-4 are electrically connected with a high-voltage power supply, the second end of the local signal terminal 1-2 is electrically connected with the first end of the switching-on signal terminal 5-6, and the second end of the switching-on signal terminal 5-6 is electrically connected with the switching-on coil 1215 of the circuit breaker;
The second end of the on-site signal terminal 1-2 is electrically connected with the first end of the opening signal terminal 7-8, and the second end of the opening signal terminal 7-8 is electrically connected with the opening coil 1216 of the breaker;
The second end of the remote signal terminal 3-4 is electrically connected with the first end of the remote control switch-on signal terminal 1211 and the first end of the remote control switch-off signal terminal 1212, and the second end of the remote control switch-on signal terminal 1211 is electrically connected with the switch-on coil 1215 of the circuit breaker through a switch-on pressing plate 1213;
The second end of the remote control brake release signal terminal 1212 is electrically connected to the circuit breaker brake release coil 1216 by a brake release pressure plate 1214.
Specifically, referring to fig. 2 and 4, the control principle of the switching-on/off control loop 121 in this embodiment is that when the switching-on/off switch 111 receives an on-site instruction, the switching-on/off switch 111 is in an on-site state and the on-site signal terminal 1-2 is kept engaged when it rotates to a first preset angle, and then when the switching-on/off switch 111 receives a switching-on instruction, the switching-on/off switch 111 is in a switching-on state and the switching-on signal terminal 5-6 is kept engaged and the on-site signal terminal 1-2 is kept instantaneously switched off, but because the signal on the on-site signal terminal 2 is still kept at this time, the breaker switching-on coil 1215 is powered on, so that the breaker module 30 is switched on;
In general, when the switch 111 rotates to a second preset angle, the switch 111 will automatically reset to the first preset angle, the switch 111 will be in an on-site state, the on-site signal terminals 1-2 will remain connected, when the switch 111 receives a switch-off command, and when the switch 111 rotates to a third preset angle, the switch 111 will be in a switch-off state, the switch-off signal terminals 7-8 will remain connected, and the on-site signal terminals 1-2 will remain instantaneously disconnected, but at this time, the on-site signal terminal 2 will still remain the signal, the breaker switch-off coil 1216 will be powered, so that the breaker module 30 will switch off, and after switching off, the switch 111 will be automatically reset to the on-site state of the first preset angle.
When the switching-on/off switch 111 receives a remote command, the switching-on/off switch 111 rotates to a fourth preset angle, the switching-on/off switch 111 is in a remote state, if a remote switching-on signal is received at this time, the remote switching-on signal terminal 1211 remains combined, so that the circuit breaker module 30 is switched on remotely, and if a remote switching-off signal is received at this time, the remote switching-on signal terminal 1212 remains combined, so that the circuit breaker module 30 is switched off remotely, so that the switching-on/off switch 111 is utilized to realize the functions of on-site switching-on, off-site switching-on and off-site switching-off, and the problem of low space utilization rate caused by the functions of on-site switching-on, off-site switching-on and off by utilizing a plurality of switches 11in the prior art is avoided.
It should be noted that the switch-on pressing plate 1213 may be used to control the on-off of the remote switch-on control circuit, the switch-off pressing plate 1214 may be used to control the on-off of the remote switch-off control circuit, and in some safety emergency situations, the switch-on pressing plate 1213 and the switch-off pressing plate 1214 may be used to control the on-off of the remote switch-on control circuit and the remote switch-off control circuit, so as to play a role of safety protection.
Optionally, 5 is a schematic structural diagram of a centralized control device for a mid-switch cabinet provided by the embodiment of the present invention, as shown in fig. 5, the controller 12 further includes a communication loop 128, where the communication loop 128 is connected to the on/off control loop 121, and is configured to send position status information of the on/off switch to a background monitoring device, and send input status information of the on/off pressure plate to the background monitoring device.
The communication loop 128 may send the position state information of the switch-on/off switch to the background monitoring device, and send the input state information of the switch-on pressing plate and the switch-off pressing plate to the background monitoring device, so that the background monitoring device may output the remote control switch-on signal and the remote control switch-off information according to the position state information of the switch-on/off switch-on switch, the input state information of the switch-on pressing plate and the switch-off pressing plate.
Optionally, with continued reference to fig. 5, the communication circuit 128 is further connected to the third signal acquisition circuit 126 for transmitting status information of the circuit breaker module 30 to the background monitoring device. The communication circuit 128 sends the status information of the breaker module 30 to the background monitoring device, so as to remotely control the on/off of the breaker module 30 according to the actual requirement.
Optionally, with continued reference to fig. 5, the communication circuit 128 is further connected to the second signal acquisition circuit 124 and the temperature and humidity control circuit 125, and is configured to send the temperature and humidity information of the mid-switch cabinet and the control information of the temperature and humidity control circuit to the background monitoring device. The communication loop 128 also sends the temperature and humidity information of the mid-set switch cabinet and the control information of the temperature and humidity control loop to the background monitoring equipment, for example, the temperature and humidity information of the mid-set switch cabinet, the working state of the heating control loop when the temperature and humidity information is smaller than the target temperature, and the working state of the fan control loop when the temperature and humidity information is larger than the target temperature can be monitored, so that the background monitoring equipment can effectively manage the temperature control information of the mid-set switch cabinet.
Optionally, the controller 12 also includes a latching circuit (not specifically illustrated). It will be understood, of course, that the locking circuit may cause the on-off control circuit to be in a locked state, i.e., when the on-off control circuit 121 is operated, the locking circuit may cause the on-off control circuit to be in an inactive state. Of course, the locking loop is electrically connected with the communication loop, and the unlocking and locking states of the locking loop can be sent to the background monitoring equipment in real time.
Optionally, fig. 6 is a schematic structural diagram of a centralized control device for a mid-switch cabinet, as shown in fig. 6, where the controller 12 further includes a fourth signal acquisition circuit 129 and a relay protection control circuit 130, the mid-switch cabinet centralized control device further includes a relay protection device 40, the fourth signal acquisition circuit 129 is electrically connected with the relay protection device 40 through the relay protection control circuit 130, and the fourth signal acquisition circuit 129 is configured to detect and output current and voltage information of the mid-switch cabinet, so that the relay protection control circuit 130 outputs a relay protection signal to the relay protection device 40 according to the current and voltage information.
In the process of outputting electric energy by the middle-placed switch cabinet, the fourth signal acquisition circuit 129 can detect and output current and voltage information of the middle-placed switch cabinet, so that the relay protection control circuit 130 can output a relay protection signal to the relay protection device 40 according to the current and voltage information, if the current and voltage information is respectively greater than a preset current and a preset voltage value, that is, an overcurrent fault, an overvoltage fault or a grounding fault occurs, the relay protection signal can be sent to the relay protection device 40, and the relay protection device 40 can protect the output electric energy of the relay protection device 40.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.

Claims (10)

1. The centralized control device of the centrally-mounted switch cabinet is characterized by comprising an integrated control module, a wiring row and a circuit breaker module, wherein the integrated control module is connected with the circuit breaker module through the wiring row;
the control panel comprises a switching-on/off change-over switch and a live display, wherein the controller comprises a switching-on/off control loop, a first signal acquisition loop and a live display loop, the switching-on/off change-over switch is electrically connected with the circuit breaker module through the switching-on/off control loop, and the first signal acquisition loop is electrically connected with the live display through the live display loop;
the first signal acquisition loop is used for detecting the information of the electric quantity input by the middle-placed switch cabinet;
The switching-on/off switching-on change-over switch is used for receiving an on-site instruction and a switching-on instruction to enable the switching-on/off control loop to control the breaker module to switch on according to the on-site instruction and the switching-on instruction, receiving the on-site instruction and the switching-off instruction to enable the switching-on/off control loop to control the breaker module to switch on, receiving a remote instruction to enable the switching-on/off control loop to control the breaker module to switch on according to the remote instruction and a remote switching-on signal, and receiving a remote instruction to enable the switching-on/off control loop to control the breaker module to switch on according to the remote instruction and the remote switching-off signal.
2. The centralized control device of the mid-set switch cabinet according to claim 1, wherein the control panel further comprises a temperature and humidity controller and a function indicator lamp, and the controller further comprises a second signal acquisition loop, a third signal acquisition loop, a temperature and humidity control loop and a state indicator loop;
the second signal acquisition loop is electrically connected with the temperature and humidity controller through the temperature and humidity control loop; the third signal acquisition loop is electrically connected with the function indicator lamp through the state indicator loop;
the second signal acquisition loop is used for detecting temperature and humidity information of the middle-arranged switch cabinet, and the third signal acquisition loop is used for detecting state information of the circuit breaker module.
3. The central control device of a mid-mounted switch cabinet according to claim 1, wherein the on-off switching switch comprises a single-pole four-throw rotary switch.
4. The centralized control device of a mid-mounted switch cabinet according to claim 2, wherein the switching-on and switching-off control loop comprises an in-situ signal terminal, a switching-on signal terminal, a switching-off signal terminal, a remote switching-on signal terminal, a remote switching-off signal terminal, a switching-on pressing plate, a switching-off pressing plate, a breaker switching-on coil and a breaker switching-off coil;
The first end of the local signal terminal and the first end of the remote signal terminal are electrically connected with a high-voltage power supply, the second end of the local signal terminal is electrically connected with the first end of the switching-on signal terminal, and the second end of the switching-on signal terminal is electrically connected with the switching-on coil of the circuit breaker;
The second end of the on-site signal terminal is electrically connected with the first end of the opening signal terminal;
The second end of the remote control switching-on signal terminal is electrically connected with the first end of the remote control switching-off signal terminal through the switching-on pressing plate;
and the second end of the remote control brake-separating signal terminal is electrically connected with the brake-separating coil of the circuit breaker through the brake-closing pressing plate.
5. The centralized control device of a mid-switch cabinet of claim 4, wherein the controller further comprises a communication loop;
the communication loop is connected with the switching-on and switching-off control loop and is used for sending the position state information of the switching-on and switching-off change-over switch to background monitoring equipment and sending the input state information of the switching-on pressing plate and the switching-off pressing plate to the background monitoring equipment.
6. The centralized control device of claim 5, wherein the communication loop is further connected to the third signal acquisition loop for transmitting status information of the circuit breaker module to a background monitoring apparatus.
7. The centralized control device of a mid-mounted switch cabinet according to claim 5, wherein the communication loop is further in communication connection with the second signal acquisition loop and the temperature and humidity control loop, and is configured to send temperature and humidity information of the mid-mounted switch cabinet and control information of the temperature and humidity control loop to a background monitoring device.
8. The centralized control device of claim 7, wherein the temperature and humidity control loop comprises a heating control loop and a fan control loop.
9. The centralized control device of a mid-mounted switch cabinet according to claim 1, wherein the live display loop comprises a main bus live display loop and a cable room live display loop;
The controller also includes a latching circuit.
10. The centralized control device of the mid-mounted switch cabinet according to claim 1, wherein the controller further comprises a fourth signal acquisition loop and a relay protection control loop;
The centralized control device of the centrally-mounted switch cabinet further comprises a relay protection device;
The relay protection device comprises a relay protection control loop, a relay protection device, a fourth signal acquisition loop and a third signal acquisition loop, wherein the relay protection control loop is electrically connected with the relay protection device through the relay protection control loop, and the fourth signal acquisition loop is used for detecting and outputting current and voltage information of the middle-placed switch cabinet so that the relay protection control loop outputs a relay protection signal to the relay protection device according to the current and voltage information.
CN202411490447.1A 2024-10-24 2024-10-24 A central switch cabinet centralized control device Pending CN119381960A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202411490447.1A CN119381960A (en) 2024-10-24 2024-10-24 A central switch cabinet centralized control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202411490447.1A CN119381960A (en) 2024-10-24 2024-10-24 A central switch cabinet centralized control device

Publications (1)

Publication Number Publication Date
CN119381960A true CN119381960A (en) 2025-01-28

Family

ID=94338928

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202411490447.1A Pending CN119381960A (en) 2024-10-24 2024-10-24 A central switch cabinet centralized control device

Country Status (1)

Country Link
CN (1) CN119381960A (en)

Similar Documents

Publication Publication Date Title
CA2342484C (en) Method and apparatus for supplying power to a load circuit from alternate electric power sources
CN101919017B (en) Direct current switch
CN101558465B (en) Two-stage switchgear and multi-stage switchgear including linkages
CN110299041A (en) A kind of Intelligent power distribution terminal and communication O&M integration practical training system and method
JP4593923B2 (en) Medium pressure integrated switchgear
KR100990736B1 (en) Switchgear protection and control to monitor the status of the protection system
CN112713586A (en) Low-voltage intelligent power distribution self-healing and power supply switching control system
CN119381960A (en) A central switch cabinet centralized control device
CN110138076B (en) Two-incoming-line one-bus-connection automatic switching control system and method
CN207442445U (en) Bus interconnection self-adaptive switching circuit and switching control system
CN217720708U (en) Valve electric actuator protection device
CN206758302U (en) A kind of Novel change-over switch electrical equipment
CN106712303B (en) Breaker operating mechanism box
CN212323458U (en) Control switch switching output integrated cabinet
JP2002171616A (en) Transformer control panel
CN113140971A (en) Anti-vibration high tension switchgear circuit breaker anti-jumping system
CN211790723U (en) Intelligent protection device of fixed circuit breaker switch cabinet
CN219643651U (en) Interlocking device for UPS inverter and external maintenance bypass
CN217882962U (en) Power supply apparatus and power supply system
CN212114888U (en) Power distribution system
CN216086260U (en) Transformer substation spaced motor power supply remote control circuit, intelligent control cabinet and transformer substation
CN104393500A (en) Time division power supply system of LED display screen
CN222706245U (en) A kind of anti-crossing power distribution system
CN218524833U (en) Test circuit, device and system for switch of distribution board
CN221747704U (en) A power distribution module and a server system having the same

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination