CN110137040B - Four-in-one intelligent circuit breaker - Google Patents

Four-in-one intelligent circuit breaker Download PDF

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Publication number
CN110137040B
CN110137040B CN201910416866.3A CN201910416866A CN110137040B CN 110137040 B CN110137040 B CN 110137040B CN 201910416866 A CN201910416866 A CN 201910416866A CN 110137040 B CN110137040 B CN 110137040B
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China
Prior art keywords
circuit breaker
intelligent
micro
ammeter
intelligent circuit
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Active
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CN201910416866.3A
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CN110137040A (en
Inventor
刘镇阳
史已佳
李子钰
刘辰成
蔡雄雄
赵俊飞
张启鼎
钱江波
陈拥军
刘志雄
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NANJING MIDAN ELECTRONIC INFORMATION CO Ltd
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NANJING MIDAN ELECTRONIC INFORMATION CO Ltd
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Priority to CN201910416866.3A priority Critical patent/CN110137040B/en
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    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F15/00Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
    • G07F15/003Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • H01H71/0207Mounting or assembling the different parts of the circuit breaker
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08Terminals; Connections

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Breakers (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention provides a four-in-one intelligent circuit breaker, which comprises a circuit breaker, an electric operating mechanism and a micro-ammeter, wherein a handle is arranged on the circuit breaker and is used for performing local opening and closing operations; the electric operating mechanism is internally provided with a control module for performing remote opening and closing operations; the micro-ammeter is used for carrying out remote communication and remote opening and closing control of the intelligent breaker, and a metering plate is arranged in the micro-ammeter and used for carrying out metering analysis on the electricity consumption condition of a user and controlling the electric operating mechanism; the intelligent circuit breaker has the advantages that the functions of opening/closing, electric operation, metering (charge control) and communication (including wireless communication and wired communication) of the circuit breaker are concentrated in one intelligent circuit breaker, the installation cost is reduced, the intelligent circuit breaker is suitable for a distribution box with a narrow space, and the intelligent circuit breaker is convenient and reliable; the user can adopt a local or remote mode to carry out switching-off and switching-on control, so that unnecessary electric energy waste is avoided; and a local priority module is arranged, so that the use safety of a user is ensured.

Description

Four-in-one intelligent circuit breaker
Technical Field
The invention relates to the technical field of intelligent circuit breakers, in particular to a four-in-one intelligent circuit breaker.
Background
Along with the rapid development of the internet of things, especially the ubiquitous electric power internet of things (the ubiquitous electric power internet of things is formed and started around all links of an electric power system, the modern information technology such as mobile interconnection and artificial intelligence and the advanced communication technology are fully applied, all-thing interconnection and man-machine interaction of all links of the electric power system are realized, the intelligent service system with comprehensive state perception, efficient information processing and convenient and flexible application characteristics comprises a perception layer, a network layer, a platform layer and an application layer, and four-layer structure) concept is formed and started, the product requirement of an intelligent circuit breaker is exploded, so that the development process of the intelligent circuit breaker is accelerated by a plurality of piezoelectric device enterprises, and various intelligent circuit breaker products are continuously emerging.
However, the circuit breaker used by the urban power grid, industrial and mining enterprises and common household power grids is still an unintelligible circuit breaker at present, and still stays in the stage of 'dumb equipment'. Therefore, the electric power company and the industrial and mining enterprises need to replace the production and living electric power equipment or the traditional circuit breaker in a large scale in a quite long period of time, the cost is quite high, and great inconvenience is brought to the production and living of the industrial and mining enterprises and residents. On the basis of the original circuit breaker and distribution box, the data acquisition component and the control component are additionally arranged as low as possible, convenient and firm without occupying space, and the power supply of the data acquisition component and the control component is not required to be additionally provided, so that the circuit breaker and the distribution box become an innovative problem which is urgently needed to be solved and has high value.
Meanwhile, for promoting energy conservation and emission reduction work, the country promotes a series of technical and economic measures in the aspect of management of power demand sides, including load control, time-of-use electricity price, step electricity price and the like. The promotion of these measures and the improvement of people's environmental awareness promote the electric power customer to strive to acquire the electric energy use data of electrical equipment, take and implement reasonable power management means in order to reduce the consumption of electric energy and the expenditure of electric charge. Most of the current circuit breakers are cost-controlled circuit breakers, and users cannot conduct remote opening and closing operations, so that unnecessary electric energy waste is caused.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a four-in-one intelligent circuit breaker which integrates the functions of opening/closing, electric operation, charge control and communication into one intelligent circuit breaker, so that the size is reduced, and the applicability is enhanced.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the four-in-one intelligent circuit breaker comprises a circuit breaker, an electric operating mechanism and a micro-ammeter, wherein a shell of the circuit breaker is connected with a shell of the electric operating mechanism, and a handle is arranged on the circuit breaker and used for performing local opening and closing operations; the electric operating mechanism is internally provided with a control module for performing remote opening and closing operations; the micro-ammeter is used for carrying out remote communication and remote opening and closing control of the four-in-one intelligent circuit breaker, a metering plate is arranged in the micro-ammeter and is connected with the control module and used for carrying out metering analysis on the electricity consumption condition of a user and controlling the electric operating mechanism; the micro ammeter is connected with an electricity taking plug, the electricity taking plug is arranged between the micro ammeter and the circuit breaker, and the electricity taking plug is respectively connected with the metering plate and the binding post of the circuit breaker and is used for taking electricity from the circuit breaker and supplying power to the metering plate.
Preferably, a drawer type SIM card holder is arranged on the micro-ammeter and is used for installing an SIM card, supporting WIFI, LORA, NB-IOT, GPRS, 3G/4G or 5G wireless communication modes and realizing connection of the four-in-one intelligent circuit breaker and an Internet network, providing information interconnection between the four-in-one intelligent circuit breaker and a person, and storing user data of the four-in-one intelligent circuit breaker by the SIM card.
Preferably, an RS485 interface is arranged on the micro-ammeter and is used for carrying out wired communication of the four-in-one intelligent circuit breaker, and the four-in-one intelligent circuit breaker is connected with other intelligent devices with the RS485 interface through an RS485 bus; the micro-ammeter comprises a shell, wherein a wiring terminal opening is correspondingly formed in the shell of the micro-ammeter, the wiring terminal of the RS485 interface extends out of the shell of the micro-ammeter from the wiring terminal opening, and the wiring terminal of the RS485 interface adopts plug-in wiring terminals with the interval of 3.81 mm.
Preferably, the four-in-one intelligent circuit breaker utilizes the SIM card to realize information intercommunication between the four-in-one intelligent circuit breaker and a user, namely, information intercommunication between an object and a person; the four-in-one intelligent circuit breaker utilizes the RS485 interface to realize information intercommunication between the four-in-one intelligent circuit breaker and other intelligent devices with the RS485 interface, namely, information intercommunication between objects.
Preferably, the micro-ammeter is provided with an SMA antenna, the SMA antenna is electrically connected with the metering plate and used for enhancing wireless signals in remote wireless communication, and the problem that the installation position of equipment is in a signal blind area and cannot be communicated is solved.
Preferably, the control module is provided with a local priority module, the local priority module is used for monitoring the state of the circuit breaker and performing data processing, when the circuit breaker is disconnected due to short circuit, overload, electric leakage and other faults or the circuit breaker is disconnected by locally utilizing the handle, the circuit breaker cannot be closed by remote operation, and only when the handle is locally utilized to close the circuit breaker after the faults are eliminated, and the circuit breaker can be disconnected or closed by remote operation when normally working.
Preferably, the cost control mode of the micro-ammeter is as follows: the metering board meters and processes the electricity consumption condition of a user, when the user is detected to be under-charged, the breaker is subjected to opening operation, and the user cannot close the breaker through the handle; and switching on the circuit breaker only after the metering board monitors that the user is charged.
Preferably, a current transformer and a leakage transformer are arranged in the micro-ammeter, and the current transformer and the leakage transformer are connected with the metering plate and used for monitoring the working state of the four-in-one intelligent circuit breaker on line and protecting the four-in-one intelligent circuit breaker when short circuit, overload or leakage faults occur.
Preferably, the electric operating mechanism is provided with a manual/automatic switch and a status lamp, the manual/automatic switch and the status lamp are electrically connected with the control module and used for switching the operation mode of the electric operating mechanism, and the status lamp is electrically connected with the control module and used for indicating the working state of the electric operating mechanism.
Compared with the prior art, the invention has the beneficial effects that:
(1) The functions of opening/closing, electric operation, metering (charge control) and communication (including wireless communication and wired communication) of the circuit breaker are concentrated in one intelligent circuit breaker, so that the installation cost is reduced, the intelligent circuit breaker is small in size, suitable for a distribution box with a small space, and convenient and reliable;
(2) The user can adopt a local or remote mode to carry out switching-off and switching-on control, so that unnecessary electric energy waste is avoided; the electric operating mechanism is internally provided with the local priority module, when the breaker is disconnected due to faults or the local handle is disconnected, the remote control cannot be used for switching on the breaker, and the remote control is allowed only under the condition that the intelligent breaker works normally, so that the use safety of a user is ensured, and the electric operating mechanism is suitable for air conditioning management of an unattended machine room, management of a unit water boiler and the like;
(3) The micro-ammeter is utilized to control the cost of the circuit breaker, when the user arrears to cause opening, the local handle cannot be closed, and the closing can be only performed after the user charges, so that the micro-ammeter is suitable for places such as cost control management of a market or a rental house, storage battery charging piles, shore electric piles and the like.
Drawings
Fig. 1 is a perspective view of a four-in-one intelligent circuit breaker according to embodiment 1 of the present invention;
fig. 2 is a side view of a micro-ammeter in a four-in-one intelligent circuit breaker according to embodiment 1 of the present invention;
Fig. 3 is a schematic structural diagram of a metering plate in a four-in-one intelligent circuit breaker according to embodiment 1 of the present invention.
Detailed Description
For a further understanding of the objects, construction, features, and functions of the invention, reference should be made to the following detailed description of the preferred embodiments.
Referring to fig. 1 to 3 in combination, fig. 1 is a perspective view of a four-in-one intelligent circuit breaker according to embodiment 1 of the present invention; fig. 2 is a side view of a micro-ammeter in a four-in-one intelligent circuit breaker according to embodiment 1 of the present invention; fig. 3 is a schematic structural diagram of a metering plate in a four-in-one intelligent circuit breaker according to embodiment 1 of the present invention.
The four-in-one intelligent circuit breaker of the embodiment 1 comprises a circuit breaker 100, an electric operating mechanism 200 and a micro-ammeter 300, wherein a shell of the circuit breaker 100 is connected with a shell of the electric operating mechanism 200, the appearance of the circuit breaker 100 and the appearance of the electric operating mechanism 200 are in a shape of a Chinese character 'tu', and the shell of the circuit breaker 100 and the shell of the electric operating mechanism 200 are arranged in parallel and compactly; the breaker 100 is provided with a handle 101 for performing local opening and closing operations; the electric operating mechanism 200 is provided with a control module for performing remote opening and closing operations; the micro-ammeter 300 is connected to the shell of the circuit breaker 100, the micro-ammeter 300 is used for carrying out remote communication and remote opening and closing control of the four-in-one intelligent circuit breaker, a metering plate 301 is arranged in the micro-ammeter 300, and the metering plate 301 is connected with a control module in the electric operating mechanism 200 and is used for carrying out metering analysis on the electricity consumption condition of a user and controlling the electric operating mechanism 200; the micro ammeter 300 is connected with a power taking plug 302, the power taking plug 302 is arranged between the micro ammeter 300 and the circuit breaker 100, and the power taking plug 302 is respectively connected with a metering board 301 and binding posts of the circuit breaker 100 and is used for taking power from the circuit breaker 100 and supplying power to the metering board 301. The four-in-one intelligent circuit breaker integrates the functions of opening/closing, electric operation, cost control and communication, has low installation cost, compact structure and small occupied volume, is suitable for being installed in a common distribution box, supports a user to perform local or remote operation, and can also ensure the use safety of the user.
Preferably, the micro electric meter 300 is provided with a drawer type SIM card seat 303, which is used for installing a SIM card, the SIM card supports WIFI, long Range Radio (Long Range Radio), NB-IOT (Narrow Band Internet of Things, narrowband internet of things, which is an emerging technology in the IOT field, supports cellular data connection of low power consumption equipment in a wide area network), GPRS (GENERAL PACKET Radio Service ), and wireless communication mode of 3G/4G or 5G, and is used for realizing connection between the four-in-one intelligent circuit breaker and an internet network, providing information interconnection between the four-in-one intelligent circuit breaker and a person (object and person), and the SIM card stores user data of the four-in-one intelligent circuit breaker. When the four-in-one intelligent circuit breaker is in wireless communication with a user, the conditions of voltage, current, power, frequency, electric power, working state and the like of the four-in-one intelligent circuit breaker can be displayed on user equipment, and the user can conveniently monitor the four-in-one intelligent circuit breaker remotely.
Preferably, the micro ammeter 300 is provided with an RS485 interface 304 for carrying out wired communication of the four-in-one intelligent breaker, and the four-in-one intelligent breaker is connected with other intelligent devices (objects and things) with the RS485 interface through an RS485 bus, so that the use flexibility of the four-in-one intelligent breaker is improved; the housing of the micro ammeter 300 is correspondingly provided with a wiring terminal opening 305, and a wiring terminal 306 of the RS485 interface 304 extends out of the housing of the micro ammeter 300 from the wiring terminal opening 305, and the wiring terminal 306 of the RS485 interface 304 in the four-in-one intelligent circuit breaker of the embodiment 1 adopts a plug-in wiring terminal with a spacing of 3.81 mm.
Preferably, the four-in-one intelligent circuit breaker utilizes the SIM card to realize information intercommunication between the four-in-one intelligent circuit breaker and a user, namely, information intercommunication between objects and people; the four-in-one intelligent circuit breaker utilizes the RS485 interface to realize information intercommunication between the four-in-one intelligent circuit breaker and other intelligent devices with the RS485 interface, namely, the information intercommunication between objects is realized.
Preferably, the micro electric meter 300 is provided with an SMA antenna 307, and the SMA antenna 307 is electrically connected with the metering board 301, so as to enhance a wireless signal during remote wireless communication, and solve the problem that the installation position of the device is in a signal blind area and cannot communicate.
Preferably, a local priority module is provided in the control module, and the local priority module is used for monitoring the state of the circuit breaker and performing data processing, when the circuit breaker 100 is disconnected due to faults such as short circuit, overload, electric leakage and the like or the circuit breaker 100 is disconnected by using the handle 101 locally, the remote operation cannot enable the circuit breaker 100 to be closed, and only when the circuit breaker 100 is disconnected by using the handle 101 locally after the faults are eliminated, the circuit breaker 100 can be disconnected or closed by remote operation. The local priority module is utilized to judge the priority of the local operation and the remote operation, so that the use safety of the intelligent circuit breaker is ensured, and the safety problem caused by the switching-on operation of remote personnel when the circuit breaker 100 breaks down or the handle 101 is disconnected by local personnel is avoided.
Preferably, the cost control manner of the micro electricity meter 300 is: the metering board 301 meters and processes the electricity consumption condition of the user, when the user is detected to be under-charged, the breaker 100 is subjected to opening operation, and the user cannot close the breaker 100 through the handle 101; the closing operation of the circuit breaker 100 is performed only when the metering board 301 monitors the user's recharging.
Preferably, a current transformer 308 and a leakage transformer 309 are arranged in the micro-ammeter 300, and the current transformer 308 and the leakage transformer 309 are connected with the metering board 301 and used for monitoring the working state of the four-in-one intelligent circuit breaker on line and protecting the four-in-one intelligent circuit breaker when short circuit, overload or leakage faults occur.
Preferably, the electric operating mechanism 200 is provided with a manual/automatic switch 201 and a status lamp 202, the manual/automatic switch 201 and the status lamp 202 are electrically connected with a control module for switching the operation mode of the electric operating mechanism 200, and the status lamp 202 is electrically connected with the control module for indicating the working state of the electric operating mechanism 200.
The four-in-one intelligent circuit breaker has the rated current of 100A, has two operation modes of local and remote, is provided with a local priority module for safety protection, can protect the conditions such as short circuit, overload and electric leakage, and is suitable for the occasions such as air conditioning management of an unattended machine room, management of a unit water boiler, cost control management of a market or a rented house, a storage battery charging pile, a shore electric pile and the like.
In summary, the four-in-one intelligent circuit breaker of the invention integrates the functions of opening/closing, electric operation, metering (charge control) and communication (including wireless communication and wired communication) of the circuit breaker into one intelligent circuit breaker, can realize the information intercommunication among objects, people and objects, reduces the installation cost, has smaller volume, is suitable for a distribution box with narrow space, and has the advantages of convenience and reliability; the user can adopt a local or remote mode to carry out switching-off and switching-on control, so that unnecessary electric energy waste is avoided; the electric operating mechanism 200 is provided with a local priority module, when the breaker 100 is disconnected due to faults or the local handle 101 is disconnected, the remote control cannot switch on the breaker 100, and only the remote control is allowed under the condition that the intelligent breaker works normally, so that the use safety of a user is ensured; the micro-ammeter 300 is utilized to control the cost of the circuit breaker 100, when the user arrears to cause the opening of the circuit breaker, the local handle 101 cannot be closed, and the circuit breaker can be closed only after the user charges the circuit breaker, so that the electric energy control is realized.
The invention has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Claims (8)

1. A four-in-one intelligent circuit breaker is characterized in that: the circuit breaker comprises a circuit breaker body, an electric operating mechanism and a micro-ammeter, wherein the circuit breaker body is connected with the electric operating mechanism body, the circuit breaker body and the electric operating mechanism body are in a convex shape, and the circuit breaker body and the electric operating mechanism body are arranged in parallel and compactly; the breaker is provided with a handle for performing local opening and closing operations; the electric operating mechanism is internally provided with a control module for performing remote opening and closing operations; the micro-ammeter is used for carrying out remote communication and remote opening and closing control of the four-in-one intelligent circuit breaker, a metering plate is arranged in the micro-ammeter and is connected with the control module and used for carrying out metering analysis on the electricity consumption condition of a user and controlling the electric operating mechanism; the micro ammeter is connected with an electricity taking plug, the electricity taking plug is arranged between the micro ammeter and the circuit breaker, and the electricity taking plug is respectively connected with the metering plate and the binding post of the circuit breaker and is used for taking electricity from the circuit breaker and supplying power to the metering plate; the control module is internally provided with a local priority module, the local priority module is used for monitoring the state of the circuit breaker and carrying out data processing, when the circuit breaker is disconnected due to short circuit, overload and leakage faults or the circuit breaker is disconnected by locally utilizing the handle, the circuit breaker cannot be closed by remote operation, and only when the circuit breaker is disconnected by locally utilizing the handle after the faults are eliminated, the circuit breaker can be disconnected or closed by remote operation when the circuit breaker works normally.
2. The four-in-one intelligent circuit breaker of claim 1, wherein: the micro-ammeter is provided with a drawer type SIM card seat for installing an SIM card, supporting WIFI, LORA, NB-IOT, GPRS, 3G/4G or 5G wireless communication modes, and is used for realizing connection of the four-in-one intelligent circuit breaker and an Internet network, providing information interconnection between the four-in-one intelligent circuit breaker and a person, and storing user data of the four-in-one intelligent circuit breaker by the SIM card.
3. The four-in-one intelligent circuit breaker of claim 2, wherein: the micro-ammeter is provided with an RS485 interface for carrying out wired communication of the four-in-one intelligent circuit breaker, and the four-in-one intelligent circuit breaker is connected with other intelligent devices with the RS485 interface through an RS485 bus; the micro-ammeter comprises a shell, wherein a wiring terminal opening is correspondingly formed in the shell of the micro-ammeter, the wiring terminal of the RS485 interface extends out of the shell of the micro-ammeter from the wiring terminal opening, and the wiring terminal of the RS485 interface adopts plug-in wiring terminals with the interval of 3.81 mm.
4. A four-in-one intelligent circuit breaker as claimed in claim 3, wherein: the four-in-one intelligent circuit breaker utilizes the SIM card to realize information intercommunication between the four-in-one intelligent circuit breaker and a user, namely, information intercommunication between an object and a person; the four-in-one intelligent circuit breaker utilizes the RS485 interface to realize information intercommunication between the four-in-one intelligent circuit breaker and other intelligent devices with the RS485 interface, namely, information intercommunication between objects.
5. The four-in-one intelligent circuit breaker of claim 1, wherein: be equipped with the SMA antenna on the micro-ammeter, the SMA antenna with the measurement board electricity is connected for wireless signal when reinforcing long-range radio communication, solves equipment mounted position and is in the signal blind area and the unable problem of communication.
6. The four-in-one intelligent circuit breaker of claim 1, wherein: the cost control mode of the micro-ammeter is as follows: the metering board meters and processes the electricity consumption condition of a user, when the user is detected to be under-charged, the breaker is subjected to opening operation, and the user cannot close the breaker through the handle; and switching on the circuit breaker only after the metering board monitors that the user is charged.
7. The four-in-one intelligent circuit breaker of claim 1, wherein: the micro ammeter is provided with a current transformer and a leakage transformer, wherein the current transformer and the leakage transformer are connected with the metering plate and used for monitoring the working state of the four-in-one intelligent circuit breaker on line and protecting the four-in-one intelligent circuit breaker when short circuit, overload or leakage faults occur.
8. The four-in-one intelligent circuit breaker of claim 1, wherein: the electric operating mechanism is provided with a manual/automatic switch and a status lamp, wherein the manual/automatic switch and the status lamp are electrically connected with the control module and used for switching the operation mode of the electric operating mechanism, and the status lamp is electrically connected with the control module and used for indicating the working state of the electric operating mechanism.
CN201910416866.3A 2019-05-20 2019-05-20 Four-in-one intelligent circuit breaker Active CN110137040B (en)

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CN110137040B true CN110137040B (en) 2024-08-06

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Publication number Priority date Publication date Assignee Title
CN110491741A (en) * 2019-09-25 2019-11-22 中电科安科技股份有限公司 A kind of long-range control intelligent breaker
CN114613650B (en) * 2022-03-23 2022-11-25 杭州四方博瑞科技股份有限公司 Intelligent opening and closing device for circuit breaker

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CN208690131U (en) * 2018-06-20 2019-04-02 乐清市一锦电子有限公司 A kind of attachment remotely operating reclosing breaker
CN109560615A (en) * 2019-01-17 2019-04-02 南昌市光辉电力科技有限公司 It is a kind of to take control metering and switch cabinet control method and system

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