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CN112467441B - Electric power overhauls wiring equipment - Google Patents

Electric power overhauls wiring equipment
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Publication number
CN112467441B
CN112467441BCN202011311236.9ACN202011311236ACN112467441BCN 112467441 BCN112467441 BCN 112467441BCN 202011311236 ACN202011311236 ACN 202011311236ACN 112467441 BCN112467441 BCN 112467441B
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China
Prior art keywords
wiring
controller
electrically connected
electric power
detection device
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CN202011311236.9A
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Chinese (zh)
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CN112467441A (en
Inventor
夏志雄
艾维
曾永浩
孔令生
杨启明
钟少荣
李慧珊
钟嘉敏
彭元泉
姚超楠
区峻超
梁梓豪
王勋
靳铠闻
赵加铭
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Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Priority to CN202011311236.9ApriorityCriticalpatent/CN112467441B/en
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Abstract

The invention relates to the technical field of electric power construction, and discloses electric power overhaul wiring equipment which comprises an equipment body, a hanging mechanism, a phase detection device, a prompting device and a controller, wherein the phase detection device, the prompting device and the controller are all arranged on the equipment body, the phase detection device and the prompting device are respectively in communication connection with the controller, the hanging mechanism comprises a wire clamp, the wire clamp is connected to the equipment body, a wiring hole and a function selection key are arranged on the equipment body, the wiring hole is electrically connected with the phase detection device and the wire clamp, an on-off switch is arranged between the wiring hole and the wire clamp, the on-off switch is electrically connected with the controller, the function selection key is used for selecting the electric power overhaul wiring equipment to be used for grounding or power supply, the function selection key is electrically connected with the controller, the electric power overhaul wiring equipment can be used for power supply and grounding connection, and is convenient to use and high in safety.

Description

Electric power overhauls wiring equipment
Technical Field
The invention relates to the technical field of electric power construction, in particular to electric power overhaul wiring equipment.
Background
When electric power overhauls, in order to prevent that the circuit from supplying power and causing the electric shock accident backward, need articulate the ground wire on the cable, at present, articulate the ground wire and adopt the earth bar or other prevent down power supply unit. However, when a power failure is detected in a certain line, the low-voltage circuit below the line cannot stop power supply, and power supply using a generator is required. The existing ground rod can be used for connecting the generator and the low-voltage circuit, but the generator is connected with the three-phase circuit of the low-voltage circuit through three wires, so that the connection error is easy, and potential safety hazards are caused.
Chinese utility model CN209056640U (the public day is 2019 year 07 month 02 day) discloses an electronic earth bar and electric wire installation device, specifically discloses action bars and fastener, the one end of action bars with the fastener is connected, be equipped with controlling means and transmission in the other end of action bars, transmission with the fastener is connected, controlling means is used for control transmission, so that the fastener is in carry out the centre gripping operation under transmission's the effect. The control device of the operating rod in the electric ground rod can control the transmission device, and the wire clamp is clamped by controlling the transmission device through the control device. However, when the three-phase circuit is connected, due to the fact that no mark exists, the use is inconvenient, wiring errors are prone to occurring, and safety accidents are caused.
Disclosure of Invention
The invention aims to provide the electric power overhaul wiring device which is convenient to use and high in safety.
In order to achieve the purpose, the invention provides electric power overhaul wiring equipment which comprises an equipment body, a hanging mechanism, a phase detection device, a prompting device, a controller and a grounding resistance testing device, wherein the phase detection device, the prompting device and the controller are all arranged on the equipment body, the phase detection device and the prompting device are respectively in communication connection with the controller, the hanging mechanism comprises a wire clamp, the wire clamp is connected to the equipment body, a wiring hole and a function selection key are arranged on the equipment body, the wiring hole is electrically connected with the phase detection device and the wire clamp, an on-off switch is arranged between the wiring hole and the wire clamp, the on-off switch is electrically connected with the controller, the function selection key is used for selecting the electric power overhaul wiring equipment to be grounded or powered, and the function selection key is electrically connected with the controller; the phase detection device comprises a current waveform detection device and a communication device, the current waveform detection device and the communication device are respectively in communication connection with the controller, and the wiring hole is electrically connected with the current waveform detection device; the prompting device comprises an identification lamp, three phase line selection keys are further arranged on the device body, the phase line selection keys and the identification lamp are respectively electrically connected with the controller, and different phase line selection keys control different colors of light of the identification lamp; the grounding resistance testing device is arranged on the device body, a plurality of auxiliary grounding wire holes are formed in the device body, and the wiring hole and the auxiliary grounding wire holes are electrically connected with the grounding resistance testing device.
As a preferred scheme, the device further comprises a user side and a remote on-off device arranged on the device body, wherein the user side is in communication connection with the remote on-off device, and the remote on-off device is in communication connection with the controller.
Preferably, the electric energy meter device and the display screen are arranged on the device body, the electric energy meter device is electrically connected with the wiring hole, and the electric energy meter device and the display screen are respectively in communication connection with the controller.
Preferably, the device further comprises an identity authentication device arranged on the device body, and the identity authentication device is in communication connection with the controller.
Preferably, the hanging mechanism further comprises a driving device, the wire clamp comprises an upper clamping plate and a lower clamping plate which are arranged in parallel and oppositely from top to bottom, and the lower clamping plate is connected with the driving device to drive the lower clamping plate to move up and down.
Preferably, the opposite side surfaces of the upper clamping plate and the lower clamping plate are respectively provided with a jaw slot penetrating through the two ends of the upper clamping plate and the lower clamping plate, the cross section of each jaw slot is arc-shaped, a conductor attached to the slot wall of each jaw slot is arranged in each jaw slot, and the conductor is electrically connected with the wiring hole.
Preferably, the device body comprises a mounting base body and an extension rod body connected with the mounting base body, the hooking mechanism, the phase detection device, the controller, the wiring hole and the function selection key are all arranged on the mounting base body, and the mounting base body and the extension rod body are insulators.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the device body is provided with the phase detection device, one electric wire to be connected with the low-voltage circuit of the generator is connected with the wiring hole of the device body, the phase detection of the electric wire can be carried out, the phase of the electric wire is shown through the prompt device, the hanging mechanism is convenient for a worker to hang the device on a corresponding cable of the low-voltage circuit, the generator can be connected with the low-voltage circuit through the three wiring devices, the use is convenient, the wiring error is prevented, and the safety is high. The wiring device can realize the wiring of grounding and power supply functions.
Drawings
Fig. 1 is a schematic structural view of an electric power overhaul apparatus of an embodiment of the present invention.
Fig. 2 is a first perspective structural view of a mounting substrate according to an embodiment of the present invention.
Fig. 3 is a second perspective structural view of the mounting substrate according to the embodiment of the invention.
In the drawings, 1-the apparatus body; 101-mounting a substrate; 102-an extension rod body; 2, wire clamping; 3-wiring holes; 4-function selection keys; 5-an identification light; 6-phase line selection button; 7-auxiliary ground line hole; 8-a ground test key; 9-remote on-off status light; 10-a display screen; 11-device NFC; 12-two-dimensional code identification; 13-a storage battery; 14-a charge indicator light; 15-a charge indicator light; 16-a charging socket; 17-an upper splint; 18-lower splint; 19-a push rod motor; 20-a jaw groove; 21-a conductor; 22-switch key; 23-on-off indicator light; 24-ground resistance display meter; 25-position indicator light.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred apparatus or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Referring to fig. 1 to 3, an electric power overhaul wiring device according to a preferred embodiment of the present invention includes adevice body 1, a hooking mechanism, a phase detection device, a prompting device, and a controller, where the phase detection device, the prompting device, and the controller are all disposed on thedevice body 1, the phase detection device, and the prompting device are respectively in communication connection with the controller, the hooking mechanism includes awire clamp 2, thewire clamp 2 is connected to thedevice body 1, thedevice body 1 is provided with awiring hole 3 and afunction selection key 4, thewiring hole 3 is electrically connected with the phase detection device and thewire clamp 2, an on-off switch is disposed between thewiring hole 3 and thewire clamp 2, the on-off switch is electrically connected with the controller, thefunction selection key 4 is used for selecting the electric power overhaul wiring device to be grounded or powered, and thefunction selection key 4 is electrically connected with the controller. This embodiment is through being equipped with the looks detection device ondevice body 1, be connected the generator with an electric wire that low voltage circuit is connected with thewiring hole 3 ofdevice body 1, can carry out the looks detection of this electric wire, and show the looks nature of this electric wire through the suggestion device, make things convenient for the staff to hang the equipment of this embodiment on low voltage circuit's corresponding cable through hooking mechanism, the wiring equipment of the three embodiment of accessible is with generator and low voltage circuit connection, high durability and convenient use, and prevent the wiring mistake, and high safety. The wiring device of the embodiment can realize the wiring of grounding and power supply functions. In addition, thefunction selection key 4 is arranged in the embodiment, so that a 'grounding mode' or a 'power supply mode' can be selected, and when the 'grounding mode' is selected, the controller controls the on-off switch to be closed, so that thewiring hole 3 and thewire clamp 2 keep a passage state, and the wiring equipment of the embodiment is directly hung on a low-voltage circuit for use; when the 'power supply mode' is selected, the controller controls the on-off switch to be opened, thewiring hole 3 and thewire clamp 2 are in an open circuit state, after the phase detection is carried out, the controller controls the on-off switch to be closed, thewiring hole 3 is communicated with thewire clamp 2, and the safety is improved. Theswitch button 22 and the on-offindicator lamp 23 that are connected with the on-off switch electricity on thedevice body 1 of this embodiment, when "ground mode",accessible switch button 22 control on-off switch's break-make, make the staff confirm just to connect after the line, guarantee safety, on-offindicator lamp 23 is bright when the on-off switch is closed, makes dark at the disconnection for whether the circuit that the indication on-off switch is located is in the on-state. The controller of this embodiment adopts chip, singlechip or PLC system etc..
Further, the phase detection device comprises a current waveform detection device and a communication device, the current waveform detection device and the communication device are respectively in communication connection with the controller, thewiring hole 3 is electrically connected with the current waveform detection device, in the embodiment, when the generator is connected with a low-voltage circuit, three wiring devices in the embodiment are required, the waveform of the electric wire connected with each wiring device is detected through the respective current waveform detection device, the waveforms of the other two wiring devices are received through the communication device, and the controller can obtain the phase sequence through phase difference comparison of the three waveforms, so that the phase of the electric wire connected with the wiring device is obtained.
Furthermore, the prompting device comprises anidentification lamp 5, three phaseline selection keys 6 are further arranged on thedevice body 1, the phaseline selection keys 6 and theidentification lamp 5 are respectively electrically connected with the controller, different phaseline selection keys 6 control light of different colors of theidentification lamp 5, and when grounding is carried out, the phaseline selection key 6 corresponding to the grounded cable is pressed, so that theidentification lamp 5 displays corresponding colors, marking can be carried out, and operation is facilitated; when power is supplied, the phaseline selection key 6 corresponding to the electric wire of the generator to be connected with the wiring equipment is pressed firstly, theidentification lamp 5 is enabled to display the color corresponding to the phaseline selection key 6, then the electric wire of the generator is connected into thewiring hole 3, detection is carried out through the phase detection device, if the detected phase is inconsistent with the phase corresponding to the selected phaseline selection key 6, the controller sends out a prompt, the on-off switch is controlled to be kept in an open-circuit state, and if the detected phase is consistent with the selected phaseline selection key 6, the controller controls the on-off switch to be closed to form a passage. When the generator wiring, the staff is through the interface of three different colours electric wire connection generators in order to distinguish three phase line, but also can discover the wiring mistake when the generator wiring, consequently, this embodiment selects the electric wire that is connected with the generator earlier through phaseline selection button 6 and corresponds the phase nature to further verify through the phase nature detection device, play dual guarantee. Thedevice body 1 of the embodiment is provided with two groups ofidentification lamps 5 and phaseline selection keys 6 which are respectively used in a power supply mode and a grounding mode.
Further, the junction device of this embodiment is still including setting up the ground resistance testing arrangement ondevice body 1, be equipped with a plurality of supplementaryground wire hole 7 ondevice body 1,wiring hole 3 and supplementaryground wire hole 7 are connected with ground resistance testing arrangement electricity, ground resistance detects and needs to carry out resistance measurement through the return circuit that produces between earthing pole and the supplementary earthing pole, consequently,wiring hole 3 has connected ground resistance after, still need to set up supplementaryground wire hole 7 and connect supplementary earthing pole and just can carry out ground resistance test. The grounding resistance testing device of the embodiment comprises a megger and a direct current-to-alternating current circuit and an amplifying circuit which are connected with the megger. Through the test of the grounding resistance, the grounding condition can be adjusted, and the grounding resistance meeting the standard is selected. Thedevice body 1 of the embodiment is also provided with agrounding test key 8 for starting and closing the grounding resistance testing device and a groundingresistance display meter 24 for displaying the resistance value of the grounding resistance, and the groundingresistance display meter 24 is electrically connected with the grounding resistance testing device.
Furthermore, the wiring device of the embodiment further comprises a user side and a remote on-off device arranged on thedevice body 1, the user side is in communication connection with the remote on-off device, the remote on-off device is in communication connection with the controller, remote operation can be carried out, power supply is started after all wiring is completed, a circuit is recovered after all wiring devices are disassembled, the user side cuts off a switch connected with a generator to a circuit through coordination with a transformer substation, and power supply safety of a power system is guaranteed and quality and reliability of power supply are improved. The user side of this embodiment can be cell-phone, remote controller and/or backstage system etc. still is equipped with the long-range on-offstatus lamp 9 that is used for instructing whether long-range on-off device is connected with user terminal on thedevice body 1 of this embodiment, and long-range on-offstatus lamp 9 is connected with the controller electricity.
Optionally, the wiring device of this embodiment further includes an electric energy metering device and adisplay screen 10 disposed on thedevice body 1, the electric energy metering device is electrically connected to thewiring hole 3, and the electric energy metering device and thedisplay screen 10 are respectively in communication connection with the controller, so as to measure and display the electric energy of the generator.
Further, the junction device of this embodiment still includes the authentication device of setting ondevice body 1, and the authentication device is connected with the controller communication, and the authentication device of this embodiment includes equipment NFC (near field communication) 11 and two-dimensional code sign 12, and the staff can scan two-dimensional code sign 12 to be connected with this junction device through equipment NFC11 and control.
In addition, theapparatus body 1 of the present embodiment is further provided with astorage battery 13 for supplying power to the entire junction device. Thedevice body 1 is further provided with an electricquantity indicator lamp 14, acharging indicator lamp 15 and acharging socket 16, the electricquantity indicator lamp 14, thecharging indicator lamp 15 and thecharging socket 16 are electrically connected with thestorage battery 13, the electricquantity indicator lamp 14 is used for indicating the residual electric quantity of thestorage battery 13, thecharging indicator lamp 15 is used for reminding a user of timely charging when thestorage battery 13 has a certain residual electric quantity, and thecharging socket 16 is used for charging thestorage battery 13. In addition, this embodiment still includes the positioner that sets up ondevice body 1 and thelocation pilot lamp 25 that shows positioner operating condition, and positioner adopts big dipper, GPS location, can let the position and the workplace of backstage locking working circuit rapidly, and the backstage is fixed a position the rescue rapidly when conveniently taking place the accident, and positioner andlocation pilot lamp 25 are connected with the controller communication.
Optionally, the hooking mechanism of the embodiment further comprises a driving device, thewire clamp 2 comprises anupper clamping plate 17 and alower clamping plate 18 which are arranged in parallel and oppositely from top to bottom, thelower clamping plate 18 is connected with the driving device to drive thelower clamping plate 18 to move up and down, the cable is located between theupper clamping plate 17 and thelower clamping plate 18 when the wiring device of the embodiment is hung on the cable by controlling the driving device, thelower clamping plate 18 moves upwards to clamp the cable, the wiring device can be in good contact with the cable, the cable is prevented from dropping, and the wire clamp is controlled automatically, so that the difficulty of high-altitude operation is reduced. The driving device of this embodiment is apush rod motor 19, and thelower clamp plate 18 is connected with the push rod of thepush rod motor 19. Furthermore, the opposite side surfaces of theupper clamping plate 17 and thelower clamping plate 18 are respectively provided with ajaw groove 20 penetrating through the two ends of each jaw groove, the cross section of eachjaw groove 20 is arc-shaped, aconductor 21 attached to the groove wall of each jaw groove is arranged in eachjaw groove 20, and theconductor 21 is electrically connected with thewiring hole 3, so that the contact area between theconductor 21 and the cable can be increased, and good contact can be kept. Further, thedevice body 1 includesinstallation base member 101 and the extension body ofrod 102 of being connected withinstallation base member 101, and hooking mechanism, looks nature detection device, controller,wiring hole 3 andfunction selection key 4 all set up oninstallation base member 101, andinstallation base member 101 and the extension body ofrod 102 are the insulators, but live working, guarantee staff's safety, and extend the body ofrod 102 and make things convenient for the staff to hold the use, make things convenient for high altitude construction. A set ofmarker light 5 of this embodiment sets up oninstallation base member 101, uses under "power supply mode", and the convenience is used when detecting, wiring, and another set ofmarker light 5 sets up in the bottom that extends the body of rod 202, uses under "ground connection mode", more makes things convenient for the staff on ground to see.
The working process of the invention is as follows: the construction team receives the maintenance task, and the task requires to have a power failure to the Q circuit and overhauls the low voltage circuit under the Q circuit and can not stop the power supply, according to the requirement, needs the generator to supply power, and the construction team goes to the warehouse and obtains the generator and the electric power of four this embodiments and overhauls the junction device to register at the background, go to place A and carry out the task. After arriving at the point a, the construction team confirms the line to be accessed by the generator, and then takes out the required 3 pieces of wiring equipment, and logs in by scanning the two-dimensional code identifier 12 with the mobile phone and uploads to the background to acquire the power supply authority. As the power supply device is used, after the power supply mode is adjusted through thefunction keys 4, firstly, thewiring holes 3 and the wiring ports on the generator are connected, the equipment of the three embodiments are respectively connected with the three wiring ports of the generator, after the connection is finished, the phaseline selection key 6 is pressed to select the line connected with the equipment, theidentification lamp 5 lights corresponding colors, after the setting is finished, the wiring equipment of the three embodiments is respectively hung on the corresponding line, and then, an operator on the ground controls thepush rod motor 19 to clamp the equipment on the line through a user end. The phase connection method is displayed to be correct through the phase detection device, the controller is communicated with thewiring hole 3 and thewire clamp 2, and the equipment is communicated. And the construction team gets contact with the background, which indicates that the line is connected and goes to the B place. After the background is well coordinated with a transformer substation and the like, the generator is started, the device is connected through the remote on-off device, the low-voltage circuit is powered on, and meanwhile, the Q line is powered off. And when the construction team arrives at the site B, after the power failure of the line is detected through the electroscope, the wiring equipment is taken out, and the two-dimensional code identifier 12 is scanned by a mobile phone to log in and uploaded to the background to obtain the authority. The 'grounding mode' of the device is turned on through thefunction selection key 4, then, the grounding electrode and thewiring hole 3 are connected through the electric wire, the auxiliary grounding wire holes 7 are also respectively connected with the auxiliary grounding wire for grounding, and only one wire is connected to 3 wires for measurement as required. After the grounding is finished, thegrounding test button 8 is pressed to measure the grounding resistance, the result measured by the grounding resistance test device is displayed on theresistance display meter 24, the grounding condition is adjusted, and after the grounding resistance meeting the standard is measured, the grounding wire of the auxiliarygrounding wire hole 7 is detached. By pressing theswitch button 22, the on-off switch is closed, so that thewiring hole 3 is communicated with thewire clamp 2, and the on-offindicator lamp 23 is on to indicate that the equipment is connected. And then, pressing a phaseline selection key 6 according to a phase line to be grounded, marking the phase line connected with the equipment, and lightening and displaying the color of the phase line by using theidentification lamp 5. The aerial operator hangs the equipment on the phase line, and the ground operator clamps the equipment on the phase line by controlling thepush rod motor 19 after confirming the safety of the conditions, so that the installation is completed. After the construction team finishes the overhaul, the background is informed to restore the power-on and recovery authority after the equipment of the embodiment is disassembled. And after the background cuts off the generator through coordination with the transformer substation and is connected to a switch of the line, the line supplies power normally. And the construction team goes to the site A, takes down the wiring equipment, completes the maintenance and finishes the task.
To sum up, the embodiment of the present invention provides a wiring device for power maintenance, which is characterized in that adevice body 1 is provided with a phase detection device, a wire to be connected with a low voltage circuit by a generator is connected with awiring hole 3 of thedevice body 1, so that the phase detection of the wire can be performed, and the phase of the wire is indicated by a prompt device, so that a worker can conveniently hang the device of the embodiment on a corresponding cable of the low voltage circuit through a hanging mechanism, and the generator can be connected with the low voltage circuit through the three wiring devices of the embodiment, so that the device is convenient to use, and can prevent wiring errors, and has high safety.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (7)

1. The electric power overhaul wiring device is characterized by comprising a device body (1), a hanging mechanism, a phase detection device, a prompt device, a controller and a ground resistance testing device, wherein the phase detection device, the prompt device and the controller are all arranged on the device body (1), the phase detection device and the prompt device are respectively in communication connection with the controller, the hanging mechanism comprises a wire clamp (2), the wire clamp (2) is connected onto the device body (1), a wiring hole (3) and a function selection key (4) are arranged on the device body (1), the wiring hole (3) is electrically connected with the phase detection device and the wire clamp (2), an on-off switch is arranged between the wiring hole (3) and the wire clamp (2), the on-off switch is electrically connected with the controller, the function selection key (4) is used for selecting the electric power overhaul wiring device to be grounded or powered, and the function selection key (4) is electrically connected with the controller;
CN202011311236.9A2020-11-202020-11-20Electric power overhauls wiring equipmentActiveCN112467441B (en)

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Application NumberPriority DateFiling DateTitle
CN202011311236.9ACN112467441B (en)2020-11-202020-11-20Electric power overhauls wiring equipment

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CN202011311236.9ACN112467441B (en)2020-11-202020-11-20Electric power overhauls wiring equipment

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CN112467441Btrue CN112467441B (en)2023-01-24

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Publication numberPriority datePublication dateAssigneeTitle
CN114114073A (en)*2021-11-252022-03-01国网四川省电力公司达州供电公司Grounding wire device for power grid maintenance and grounding condition monitoring method thereof

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