CN215344091U - Distribution box capable of remotely controlling switch to be started and stopped - Google Patents

Distribution box capable of remotely controlling switch to be started and stopped Download PDF

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Publication number
CN215344091U
CN215344091U CN202121079441.7U CN202121079441U CN215344091U CN 215344091 U CN215344091 U CN 215344091U CN 202121079441 U CN202121079441 U CN 202121079441U CN 215344091 U CN215344091 U CN 215344091U
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China
Prior art keywords
terminal
distribution box
electrically connected
module
host
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Active
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CN202121079441.7U
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Chinese (zh)
Inventor
焦玉刚
赵国骞
李泓佑
王震
张苍锋
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Shandong Jizheng Electric Technology Co ltd
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Shandong Jizheng Electric Technology Co ltd
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Priority to CN202121079441.7U priority Critical patent/CN215344091U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/242—Home appliances
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

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

Abstract

The utility model relates to the field of power distribution, in particular to a distribution box capable of remotely controlling on/off of a switch, which comprises a terminal distribution box and a remote host which are in wireless connection; the terminal distribution box is electrically connected to the main power supply loop, placed in an equipment site or a control room and used for controlling the starting and stopping of single or multiple pieces of electrical equipment; the remote host is placed on an operation table of a control room or a desktop of a controller and the like, is convenient for personnel to operate and control, is portable and movable, and is used for controlling the starting and stopping of equipment connected with a terminal distribution box; the technical scheme has the advantages that the on-site switch of the equipment can be conveniently controlled in the place far away from the equipment site, and the on-site switch control device has the characteristics of compact structure and low cost.

Description

Distribution box capable of remotely controlling switch to be started and stopped
Technical Field
The utility model relates to the field of power distribution, in particular to a distribution box capable of remotely controlling a switch to start and stop.
Background
The operation and the stop of the electrical equipment need to be controlled by a distribution box, the distribution box is generally arranged on an equipment field, the traditional control mode needs personnel to operate a start-stop switch in the distribution box on the field, but if the equipment is remote or the field environment is poor, an operator is often not near the distribution box and needs to go to the distribution box for treatment when in operation, if the occasion needs to be started and stopped frequently, the operator needs to stay in the poor environment or run back and forth, the work load is increased, the risk is increased, and meanwhile, if the operation is not timely, accidents are easy to happen; the use of the DCS brings a remote operation mode and solves the problem of field operation, but the DCS is expensive and is not suitable for small-scale workshops. Therefore, a distribution box capable of remotely controlling the on-off of the switch is needed, the switch on the equipment site can be conveniently controlled on the occasion far away from the equipment site, and the distribution box has the characteristics of compact structure and low cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a distribution box capable of remotely controlling the on-off of a switch, which solves the problems in the prior art and has the characteristics of remote control of the on-off of the switch, simplicity in operation, convenience in control, low cost and the like.
The technical scheme provided by the utility model is as follows:
a remotely controllable switch opens and stops block terminal includes:
terminal distribution box and remote host computer. The terminal distribution box is electrically connected to the main power supply loop, placed in an equipment site or a control room and used for controlling the starting and stopping of single or multiple pieces of electrical equipment; the remote host is placed on the control room operation console or the desktop of a controller and the like, is convenient for personnel to control, is portable and movable, and is used for controlling the start and stop of equipment connected with the terminal distribution box.
The terminal distribution box comprises a box body, an electric control circuit breaker and a terminal controller. The box is the block terminal box that accords with the standard, and the box can adopt ABS plastics or iron, automatically controlled circuit breaker fixed mounting is in the box, automatically controlled circuit breaker main path concatenates in the main loop or the control circuit that equipment started, automatically controlled circuit breaker control path and terminal controller electrical connection to by the automatically controlled circuit breaker of terminal controller control start-stop.
The terminal controller is fixedly installed in the box body and comprises a power supply module, and a terminal wireless module, a processing unit and an IO module which are electrically connected with the power supply module. The processing unit comprises a micro-processing module and a storage module. The processing unit is loaded with and runs a terminal program, the terminal program receives and analyzes a control signal sent by the remote host, and outputs a command to the IO module according to an instruction of the control signal; and the terminal program also acquires the state fed back by the IO module, and the coded state is sent to the remote host by the terminal wireless module. The terminal wireless module is electrically connected with the processing unit and used for receiving control signals and sending state information. The IO module is electrically connected to the processing unit. The IO module comprises a signal output circuit and a signal input circuit, wherein the signal output circuit comprises a plurality of groups of relays for switching value output, and the relays are electrically connected to each corresponding electric control circuit breaker; the signal input circuit comprises a plurality of groups of signal sampling circuits with optical coupling isolation, and each sampling circuit is electrically connected with the output end of each electric control circuit breaker.
The remote host comprises a shell and a battery, and further comprises a control panel, a mainboard and a host wireless module which are electrically connected with the battery. The mainboard comprises a micro-processing module and a storage module. The main board is loaded with and runs a host program, and the host program is used for sending a control command to the terminal distribution box and receiving state information sent by the terminal distribution box. The control panel is electrically connected to the main board and comprises a start-stop button group and a host switch, wherein the start-stop button group comprises a start button and a stop button. The host wireless module is electrically connected to the mainboard.
Furthermore, the electric control circuit breakers are any one or a plurality of combinations of 1P, 2P, 3P or 4P circuit breakers with electric execution structures, each circuit breaker is internally provided with an electric switching-on/off mechanism as an execution mechanism, the electric switching-on/off mechanism comprises a speed reduction motor, the electric switching-on/off mechanism is provided with a control terminal, and the control terminal is electrically connected with the IO module; and the main terminal of the electric control circuit breaker is electrically connected in the main loop.
Furthermore, the remote host is provided with a communication port, the communication port is electrically connected with a communication circuit, the communication circuit is electrically connected with the mainboard, the communication port and the communication circuit both support communication protocols in a standard mode, and have the capability of being connected with a computer or a DCS (distributed control system) system for data connection with the computer or the DCS, and an upper system controls the start and stop of equipment through the device.
Furthermore, terminal wireless module and host computer wireless module pair and connect, adopt the wireless mode of passing through of Lora to communicate, terminal wireless module and host computer wireless module all are equipped with baud rate, check bit, communication address and set up the function, can set up multiple communication parameter in a flexible way.
Further, the host wireless module can be matched with a plurality of terminal wireless modules; when the host wireless module is matched with a plurality of terminal wireless modules at the same time, the remote host is in a mode of one band with more, and one remote host is connected with a plurality of terminal distribution boxes at the same time; the control panel of the remote host comprises a plurality of start-stop button groups.
Further, a starting button and a stopping button included in the starting and stopping button group are both internally provided with a status indicator lamp, and the status indicator lamps are electrically connected to the mainboard and are controlled by the host program to display the status.
Further, the box is equipped with the physics and cuts off, separates into two at least independent spaces with box inner space, terminal controller and automatically controlled circuit breaker space separation, just terminal controller installs in independent space, automatically controlled circuit breaker installs in independent space.
Further, the terminal controller outside is equipped with the shield cover, the shield cover is the metal material for carry out the electromagnetic shield to the terminal controller, increase electronic equipment interference killing feature, hide the terminal controller simultaneously, make terminal block terminal inside clean and tidy pleasing to the eye.
Further, the terminal controller is provided with an active heat dissipation device, and the active heat dissipation device comprises a heat dissipation fan.
Furthermore, the terminal distribution box is provided with a change-over switch and an emergency stop button, the change-over switch is used for switching the terminal distribution box between a remote control mode and a local control mode, and the emergency stop button is used for forcibly cutting off the connection of the main loop.
The scheme has the advantages that:
the start and stop of a plurality of groups of circuit breakers in the terminal distribution box can be controlled through the remote host;
the operation personnel and the equipment site can be separated, so that the operation is simple, the working environment of the operation personnel is improved, and the safety can be improved;
the portable remote host can be flexibly placed, so that the equipment is more convenient to control;
and a control system is not needed, and compared with a DCS (distributed control system), the cost is greatly reduced.
Drawings
FIG. 1 is a schematic view of a terminal distribution box;
FIG. 2 is a schematic diagram of a terminal controller;
FIG. 3 is a schematic diagram of a remote host architecture;
FIG. 4 is a schematic block diagram of a terminal power distribution box;
FIG. 5 is a functional block diagram of a remote host;
in the figure: the intelligent control system comprises a terminal distribution box 1, a remote host 2, a box 11, an electronic control circuit breaker 12, a terminal controller 13, a power supply module 130, a terminal wireless module 131, a processing unit 132, an IO module 133, a machine shell 20, a control panel 21, a main board 22, a host wireless module 23, a battery 24, a start-stop button group 211 and a host switch 212.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following is an embodiment of the present invention, providing a remotely controllable switch start-stop electrical box as shown in the figure, comprising: terminal block terminal 1 and remote host 2. The terminal distribution box 1 is electrically connected to a main power supply loop, is placed in an equipment site or a control room and is used for controlling the starting and stopping of single or multiple pieces of electrical equipment; remote host 2 is small, light in weight, and the portability is high, and remote host 2 can place the occasion that makes things convenient for personnel to control such as on control room operation panel or the control personnel desktop, remote host 2 still has couple and strong magnet, can hang the use or adsorb in the iron surface for the equipment that control terminal block terminal 1 is connected opens and stops.
The terminal distribution box 1 comprises a box body 11, an electric control circuit breaker 12 and a terminal controller 13. Box 11 is the block terminal box that accords with the standard, automatically controlled circuit breaker 12 fixed mounting is in box 11, automatically controlled circuit breaker 12 main road concatenates in the main loop or the control circuit that equipment started, automatically controlled circuit breaker 12 control road is connected with terminal controller 13 electrical connection to by the start-stop of terminal controller 13 control automatically controlled circuit breaker 12.
The terminal controller 13 is fixedly installed in the box body 11, and the terminal controller 13 includes a power module 130, and a terminal wireless module 131, a processing unit 132 and an IO module 133 electrically connected to the power module 130. The processing unit 132 includes a micro-processing module and a memory module. The processing unit 132 is loaded with and runs a terminal program, and the terminal program receives and analyzes a control signal sent by the remote host 2 and outputs a command to the IO module 133 according to an instruction of the control signal; the terminal program also collects the state fed back by the IO module 133, and the coded state is sent to the remote host 2 by the terminal wireless module 131. The terminal wireless module 131 is electrically connected to the processing unit 132, and is configured to receive a control signal and send status information. The IO module 133 is electrically connected to the processing unit 132. The IO module comprises a signal output circuit and a signal input circuit, wherein the signal output circuit comprises a plurality of groups of relays for switching value output, and the relays are electrically connected to each corresponding electric control circuit breaker; the signal input circuit comprises a plurality of groups of signal sampling circuits with optical coupling isolation, and each sampling circuit is electrically connected with the output end of each electric control circuit breaker.
The remote host 2 comprises a housing 20, a battery 24, a control panel 21 electrically connected to the battery 24, a main board 22, and a host wireless module 23. The main board 22 includes a microprocessor module and a memory module. The main board 22 carries and runs a host program, and the host program is used for sending a control command to the terminal distribution box 1 and receiving state information sent by the terminal distribution box 1. The control panel 21 is electrically connected to the main board 22 and includes a start-stop button group 211 and a host switch 212, where the start-stop button group 211 includes a start button and a stop button. The host wireless module 23 is electrically connected to the motherboard 22.
In this embodiment, the electrically controlled circuit breaker 12 is a combination of a plurality of 3P circuit breakers with an electric execution structure, each circuit breaker is internally provided with an electric switching on/off mechanism as an execution mechanism, the electric switching on/off mechanism includes a speed reduction motor, the electric switching on/off mechanism is provided with a control terminal, and the control terminal is electrically connected with the IO module 133; the main terminal of the electrically controlled circuit breaker 12 is electrically connected to the main circuit.
In this embodiment, the remote host 2 further has a communication port, the communication port is electrically connected to a communication circuit, the communication circuit is electrically connected to the main board 22, the communication port and the communication circuit support an RS232 hardware communication protocol, and have a capability of connecting to a computer or a DCS system, and are used for data connection to the computer or the DCS system, and an upper system controls the start and stop of the device through the device.
In this embodiment, the terminal wireless module 131 and the host wireless module 23 are connected in a paired manner, and communicate in a Lora wireless transparent transmission manner, and the terminal wireless module 131 and the host wireless module 23 are both provided with baud rate, check bit and communication address setting functions, so that various communication parameters can be flexibly set.
In this embodiment, the host wireless module 23 can be paired with a plurality of terminal wireless modules 131; when the host wireless module 23 is paired with a plurality of terminal wireless modules 131 at the same time, the remote host 2 is in a mode of one band with more, and one remote host 2 is connected with a plurality of terminal distribution boxes 1 at the same time; the control panel 21 of the remote host 2 includes a plurality of start/stop button sets 211.
In this embodiment, the start button and the stop button included in the start-stop button group 211 are both provided with status indicator lamps, and the status indicator lamps are electrically connected to the main board 22 and are controlled by the host program to display status.
In this embodiment, the box 11 is equipped with the physics and cuts off, separates into two independent spaces with box inner space, terminal controller 13 and automatically controlled circuit breaker 12 space separation, just terminal controller 13 installs in independent space, automatically controlled circuit breaker 12 installs in independent space.
In this embodiment, terminal controller 13 outside is equipped with the shield cover, the shield cover is the metal material for carry out the electromagnetic shield to terminal controller 13, increase electronic equipment interference killing feature, hide terminal controller 13 simultaneously, make terminal block terminal 1 inside neat and artistic.
In this embodiment, the terminal controller 13 is provided with an active heat dissipation device, and the active heat dissipation device includes a heat dissipation fan.
In this embodiment, terminal block terminal 1 is equipped with change over switch and scram button, change over switch is used for terminal block terminal 1 to switch between "long-range" and "local" control mode, the scram button is used for cutting off the main loop connection by force.
The working process is described below with reference to the accompanying drawings:
the terminal distribution box 1 is installed on an equipment site, and the electric control circuit breaker 12 is applied to a main circuit of the equipment or a control circuit for starting and stopping the equipment; the electronic control circuit breaker 12 is electrically connected to the IO module 133 in the terminal controller 13, and the electronic control circuit breaker 12 is controlled by the terminal controller 13. After starting up, setting a change-over switch to a remote mode, starting operation of a terminal program in the terminal controller 13, starting operation of the terminal distribution box 1 and keeping the terminal distribution box in a standby mode;
the terminal program monitors the working state of each electric control circuit breaker 12 in real time through the IO module 133, and sends the working state to the matched remote host 2 in real time;
the remote host 2 is placed on an operation table in the operation room, the host switch 212 is started, the remote host 2 enters a working state, and a host program starts to run;
the remote host 2 receives signals from the matched terminal distribution box 1, obtains the working state of the signal, and displays the working states of all the electric control circuit breakers 12 through indicator lamps arranged in the start-stop button group 211 for operators to check;
an operator presses a start or stop button, the remote host 2 sends an instruction to the terminal distribution box 1, the electronic control circuit breaker 12 meeting the instruction requirement in the terminal distribution box 1 responds to the action, remote start and stop operation is achieved, meanwhile, the state of the electronic control circuit breaker 12 is transmitted back to the remote host 2 through the terminal distribution box 1, and the remote host 2 receives the state and then displays the state through an indicator lamp arranged in the start and stop button group 211 to complete control operation.
It is noted that the term "plurality" means two or more and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features.

Claims (10)

1. But remote control switch opens and stops block terminal, a serial communication port, include:
a terminal distribution box (1) and a remote host (2);
the terminal distribution box (1) comprises a box body (11), an electric control circuit breaker (12) and a terminal controller (13);
the electric control circuit breaker (12) is fixedly arranged in the box body (11), the electric control circuit breaker (12) is electrically connected with the terminal controller (13), and the terminal controller (13) controls the electric control circuit breaker (12) to start and stop;
the terminal controller (13) is fixedly arranged in the box body (11), and the terminal controller (13) comprises a power supply module (130), and a terminal wireless module (131), a processing unit (132) and an IO module (133) which are electrically connected with the power supply module (130);
the processing unit (132) comprises a micro-processing module and a memory module; the processing unit (132) is loaded with and runs a terminal program;
the terminal wireless module (131) is electrically connected to the processing unit (132) and is used for receiving control signals and sending state information;
the IO module (133) is electrically connected to the processing unit (132);
the remote host (2) comprises a shell (20), a battery (24), a control panel (21) electrically connected with the battery (24), a mainboard (22) and a host wireless module (23);
the main board (22) comprises a micro-processing module and a storage module; the main board (22) is loaded with and runs a host program;
the control panel (21) is electrically connected to the main board (22) and comprises a start-stop button group (211) and a host switch (212), and the start-stop button group (211) comprises a start button and a stop button;
the host wireless module (23) is electrically connected to the mainboard (22).
2. The remotely controllable switch start-stop distribution box of claim 1, wherein:
the electric control circuit breakers (12) are any one or a plurality of combinations of 1P, 2P, 3P or 4P circuit breakers, each circuit breaker is internally provided with an electric switching-on/off mechanism, and a control terminal of each circuit breaker is electrically connected with the IO module (133); the main terminal is electrically connected to the main circuit.
3. The remotely controllable switch start-stop distribution box of claim 1, wherein:
the remote host (2) is provided with a communication port, the communication port is electrically connected with a communication circuit, the communication circuit is electrically connected with the main board (22), and the communication port and the communication circuit are used for connecting a computer or a DCS system.
4. The remotely controllable switch start-stop distribution box of claim 1, wherein:
and the terminal wireless module (131) is connected with the host wireless module (23) in a matching way, and communication is carried out in a Lora wireless transparent transmission mode.
5. The remotely controllable switch start-stop distribution box of claim 1, wherein:
the host wireless module (23) can be paired with a plurality of terminal wireless modules (131); when the host wireless module (23) is matched with a plurality of terminal wireless modules (131) at the same time, the remote host (2) is in a mode of one with more, and one remote host (2) is connected with a plurality of terminal distribution boxes (1) at the same time; the control panel (21) of the remote host (2) comprises a plurality of start-stop button groups (211).
6. The remotely controllable switch start-stop distribution box of claim 1, wherein:
the start button and the stop button included in the start-stop button group (211) are both internally provided with status indicator lamps, and the status indicator lamps are electrically connected to the main board (22) and are controlled by the host program to display status.
7. The remotely controllable switch start-stop distribution box of claim 1, wherein:
the box body (11) is provided with a physical partition, the terminal controller (13) is spatially separated from the electric control circuit breaker (12), and the terminal controller (13) is installed in an independent space.
8. The remotely controllable switch start-stop distribution box of claim 1 or 7, wherein:
and a shielding cover is arranged outside the terminal controller (13), and is made of metal.
9. The remotely controllable switch start-stop distribution box of claim 1 or 7, wherein:
the terminal controller (13) is provided with an active heat dissipation device.
10. The remotely controllable switch start-stop distribution box of claim 1, wherein:
the terminal distribution box (1) is provided with a change-over switch and an emergency stop button, the change-over switch is used for switching the terminal distribution box (1) between a remote control mode and a local control mode, and the emergency stop button is used for forcibly cutting off the connection of a main loop.
CN202121079441.7U 2021-05-19 2021-05-19 Distribution box capable of remotely controlling switch to be started and stopped Active CN215344091U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121079441.7U CN215344091U (en) 2021-05-19 2021-05-19 Distribution box capable of remotely controlling switch to be started and stopped

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121079441.7U CN215344091U (en) 2021-05-19 2021-05-19 Distribution box capable of remotely controlling switch to be started and stopped

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Publication Number Publication Date
CN215344091U true CN215344091U (en) 2021-12-28

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CN202121079441.7U Active CN215344091U (en) 2021-05-19 2021-05-19 Distribution box capable of remotely controlling switch to be started and stopped

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024046293A1 (en) * 2022-08-29 2024-03-07 南方电网调峰调频发电有限公司工程建设管理分公司 Distribution box having data interaction function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024046293A1 (en) * 2022-08-29 2024-03-07 南方电网调峰调频发电有限公司工程建设管理分公司 Distribution box having data interaction function

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