CN114236218A - Discharge assembly - Google Patents

Discharge assembly Download PDF

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Publication number
CN114236218A
CN114236218A CN202111450969.5A CN202111450969A CN114236218A CN 114236218 A CN114236218 A CN 114236218A CN 202111450969 A CN202111450969 A CN 202111450969A CN 114236218 A CN114236218 A CN 114236218A
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CN
China
Prior art keywords
discharge
discharged
processor
branch
electricity testing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111450969.5A
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Chinese (zh)
Inventor
刘吉昀
高剑剑
张笑迪
戴瑞成
赵璧
国文亮
陈泽
李雪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Beijing Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202111450969.5A priority Critical patent/CN114236218A/en
Publication of CN114236218A publication Critical patent/CN114236218A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145Indicating the presence of current or voltage

Abstract

The invention provides a discharge assembly, which comprises two contact electrodes and a discharge testing device, wherein one ends of the two contact electrodes are respectively used for contacting with two electrodes of a body to be discharged; the discharge and test device comprises a discharge resistor R1 and a test circuit, wherein two ends of the discharge resistor R1 are respectively and electrically connected with the other ends of the two contact electrodes; the electricity checking loop is connected with the discharge resistor R1 in parallel and used for detecting whether the discharge of the body to be discharged is completed. The invention solves the problem that in the prior art, workers cannot accurately judge whether the voltage inside the flexible direct current converter valve is discharged or not, and the safety of the workers is not facilitated.

Description

Discharge assembly
Technical Field
The invention relates to the technical field of discharge equipment, in particular to a discharge assembly.
Background
With the increasing shortage of world resources, new energy power generation is widely applied, and a flexible direct current technology is developed, wherein the flexible direct current converter valve is widely applied to the flexible direct current converter station, and due to the fact that hundreds of capacitors exist in the flexible direct current converter valve, even if a power supply outside the flexible direct current converter valve is disconnected, the flexible direct current converter valve discharges electricity by using an internal resistor, large voltage still exists in the flexible direct current converter valve within a short time, so that a worker cannot accurately judge whether the voltage inside the flexible direct current converter valve is completely discharged, and the flexible direct current converter valve is not beneficial to the worker to safely carry out work.
Disclosure of Invention
The invention mainly aims to provide a discharging assembly to solve the problem that in the prior art, workers cannot accurately judge whether the voltage inside a flexible direct current converter valve is discharged or not, and the safety of the workers is not facilitated.
In order to achieve the above object, the present invention provides a discharge assembly, comprising two contact electrodes and a discharge testing device, wherein one ends of the two contact electrodes are respectively used for contacting with two electrodes of a body to be discharged; the discharge and test device comprises a discharge resistor R1 and a test circuit, wherein two ends of the discharge resistor R1 are respectively and electrically connected with the other ends of the two contact electrodes; the electricity checking loop is connected with the discharge resistor R1 in parallel and used for detecting whether the discharge of the body to be discharged is completed.
Furthermore, the electricity testing circuit comprises a first electricity testing branch and a second electricity testing branch, a first indicator lamp is arranged on the first electricity testing branch, and when the body to be discharged is electrified, the first indicator lamp is turned on; the second electricity testing branch is connected with the first electricity testing branch in parallel, a second indicator lamp is arranged on the second electricity testing branch, and the second indicator lamp is turned on when the body to be discharged is free of electricity; wherein, the first indicator light and the second indicator light are different in color.
Further, the electricity testing loop further comprises a discharging branch circuit and a processor, wherein the discharging branch circuit is connected with the discharging resistor R1 in parallel, at least two voltage dividing resistors R2 are arranged on the discharging branch circuit, and the two voltage dividing resistors R2 are connected in series and connected with the discharging resistor R1 in parallel; the discharging branch circuit is electrically connected with an AD/IO terminal of the processor, the processor is provided with two IO terminals, and the two IO terminals are respectively electrically connected with the first electricity testing branch circuit and the second electricity testing branch circuit.
Furthermore, the electricity checking circuit also comprises a power supply BT, wherein the power supply BT is electrically connected with the processor, and two electrodes of the power supply BT are respectively electrically connected with a VCC (voltage conduction terminal) and a GND (ground) terminal of the processor so as to supply electric energy to the processor.
Furthermore, the electricity testing loop also comprises a third electricity testing branch, the third electricity testing branch is electrically connected with the processor, and a buzzer and a first detection switch SW3 are arranged on the third electricity testing branch; closing a first detection switch SW3, and when the body to be discharged is electrified, giving out a prompt sound for a preset number of times by a buzzer; when the body to be discharged has no electricity, the buzzer continuously gives out prompt sound.
Furthermore, the discharge and test device also comprises an analog discharge element, the analog discharge element is electrically connected with the AD/IO terminal of the processor, and a second detection switch SW2 is arranged on a circuit of the analog discharge element electrically connected with the processor; the second detection switch SW2 is closed to simulate the discharge of the object to be discharged so as to detect whether the electricity checking circuit can work normally.
Further, the discharge assembly further comprises two connecting mediums, one ends of the two connecting mediums are electrically connected with the two contacts respectively, and the other ends of the two connecting mediums are electrically connected with two ends of the discharge resistor R1.
Further, the connecting medium is welded with the contact electrode, and the connecting medium is welded with the discharge testing device.
Furthermore, the discharging assembly further comprises an insulating rod and an insulating handle, wherein one end of the insulating rod is connected with the discharging and testing device, and the insulating rod is arranged in a telescopic manner; the insulating handle is sleeved at the other end of the insulating rod.
Further, the insulating rod is detachably connected with the discharge testing device.
By applying the technical scheme of the invention, the discharge assembly with the discharge and test device is provided, after two contact electrodes of the discharge assembly are contacted with two electrodes of a body to be discharged, the discharge operation is carried out through the discharge resistor R1 of the discharge and test device, and whether the body to be discharged is discharged completely is tested through the test circuit, so that a worker can obtain discharge completion information, the subsequent work can be conveniently and safely carried out, and the personal safety of the worker is further ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 illustrates a schematic structural diagram of a discharge assembly in accordance with an alternative embodiment of the present invention;
fig. 2 shows a schematic circuit diagram of an internal circuit of the discharge and test device of the discharge assembly of fig. 1.
Wherein the figures include the following reference numerals:
10. a contact electrode; 20. discharging an electricity testing device; 21. a first electroscopic branch; 211. a first indicator light; 22. a second electroscopic branch; 221. a second indicator light; 23. a discharge branch circuit; 24. a processor; 25. a third electroscopic branch circuit; 251. a buzzer; 26. an analog discharge element; 30. a connecting medium; 40. an insulating rod; 50. an insulated handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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 invention provides a discharging assembly, which aims to solve the problem that in the prior art, whether the discharging of the voltage inside a flexible direct current converter valve is finished or not cannot be accurately judged by workers, and the safety of the workers is not facilitated.
As shown in fig. 1 and 2, the discharge assembly comprises two contact electrodes 10 and a discharge and test device 20, wherein one ends of the two contact electrodes 10 are respectively used for contacting with two electrodes of a body to be discharged; the discharge and test device 20 comprises a discharge resistor R1 and a test circuit, and two ends of the discharge resistor R1 are respectively and electrically connected with the other ends of the two contact electrodes 10; the electricity checking loop is connected with the discharge resistor R1 in parallel and used for detecting whether the discharge of the body to be discharged is completed.
The application provides a discharge assembly with discharge and test electric installation 20, after two contact poles 10 that will discharge the subassembly and two electrodes contact of treating the discharge body, discharge the operation through discharge resistance R1 that discharge and test electric installation 20 to treat through testing the electric return circuit inspection and discharge the completion of discharge body, ensure that the staff can acquire the completion information that discharges, thereby be convenient for launch subsequent work safely, and then ensure staff's personal safety.
As shown in fig. 2, the electricity testing circuit includes a first electricity testing branch 21 and a second electricity testing branch 22, a first indicator light 211 is arranged on the first electricity testing branch 21, and when the body to be discharged is charged, the first indicator light 211 is turned on; the second electricity testing branch 22 is connected with the first electricity testing branch 21 in parallel, a second indicator lamp 221 is arranged on the second electricity testing branch 22, and when the body to be discharged is electroless, the second indicator lamp 221 is turned on; wherein, the first indicator light 211 and the second indicator light 221 have different colors. In this way, it is ensured that the worker can judge whether the discharge of the body to be discharged is completed according to the first indicator lamp 211 and the second indicator lamp 221, and the discharge reliability of the discharge assembly is ensured.
Alternatively, the first indicator light 211 is red after being turned on, and the second indicator light 221 is yellow after being turned on.
As shown in fig. 2, the circuit testing circuit further includes a power supply BT electrically connected to the processor 24, and two electrodes of the power supply BT are electrically connected to the VCC terminal and the GND terminal of the processor 24, respectively, to supply power to the processor 24.
As shown in fig. 2, a third detection switch SW1 is provided on a line electrically connecting the power supply BT and the processor 24, and the worker closes the third detection switch SW1 to activate the discharging component.
It should be noted that, in the present application, after the discharging component is started, the power supply BT supplies power to the processor 24, and meanwhile, the object to be discharged is in the discharging state, the first indicator lamp 211 is turned on, and when the object to be discharged is completely discharged and only the power supply BT supplies power to the processor 24, the second indicator lamp 221 is turned on.
As shown in fig. 2, the electroscopic circuit further includes a discharging branch 23 and a processor 24, wherein the discharging branch 23 is connected in parallel with a discharging resistor R1, at least two voltage dividing resistors R2 are arranged on the discharging branch 23, and the two voltage dividing resistors R2 are connected in series and connected in parallel with the discharging resistor R1; the discharging branch 23 is electrically connected to an AD/IO terminal of the processor 24, and the processor 24 has two IO terminals electrically connected to the first and second electricity testing branches 21 and 22, respectively. Thus, the two voltage dividing resistors R2 perform a voltage dividing function to prevent the discharge voltage of the object to be discharged from being too high.
As shown in fig. 2, the electroscopic circuit further includes a third electroscopic branch 25, the third electroscopic branch 25 is electrically connected to the processor 24, and the third electroscopic branch 25 is provided with a buzzer 251 and a first detection switch SW 3; closing the first detection switch SW3, and when the body to be discharged is electrified, the buzzer 251 sends out a prompt tone for a preset number of times; when the body to be discharged is not electrified, the buzzer 251 continuously gives out an alarm sound. Thus, the first detection switch SW3 is set to ensure that the buzzer 251 will only sound when the first detection switch SW3 is closed, so as to avoid that the buzzer 251 still continuously gives out prompt sound after the discharge component is separated from the object to be discharged.
Alternatively, the buzzer 251 emits the warning sound for the preset number of times generally means that the buzzer 251 emits a 3-down sound.
As shown in fig. 2, the discharge testing apparatus 20 further includes an analog discharge element 26, the analog discharge element 26 is electrically connected to the AD/IO terminal of the processor 24, and a second detection switch SW2 is disposed on a line electrically connecting the analog discharge element 26 and the processor 24; the second detection switch SW2 is closed to simulate the discharge of the object to be discharged so as to detect whether the electricity checking circuit can work normally. Therefore, whether the electricity testing circuit can work normally or not is convenient for workers to detect through the simulation discharge element 26, and safety and reliability in subsequent discharge work are guaranteed.
As shown in fig. 1, the discharge assembly further includes two connection mediums 30, one ends of the two connection mediums 30 are electrically connected to the two contact electrodes 10, respectively, and the other ends of the two connection mediums 30 are electrically connected to both ends of the discharge resistor R1.
Alternatively, the connection medium 30 and the contact pole 10 are both made of pure copper, wherein the contact pole 10 is of a flat plate type.
Alternatively, the connection medium 30 is welded to the contact pole 10, and the connection medium 30 is welded to the discharge testing device 20. In this way, the reliability of the electrical connection of the contact electrode 10 to the discharge testing device 20 is ensured.
As shown in fig. 1, the discharging assembly further includes an insulating rod 40 and an insulating handle 50, wherein one end of the insulating rod 40 is connected with the discharging and testing device 20, and the insulating rod 40 is telescopically arranged; the insulating handle 50 is sleeved on the other end of the insulating rod 40. Thus, the working safety distance of the workers can meet the requirement, the telescopic insulating rod 40 is convenient to carry and store, and the insulating handle 50 is convenient for the workers to hold.
Optionally, the insulating rod 40 is removably connected to the electroscope apparatus 20.
Preferably, the insulating rod 40 is threadedly connected with the electroscope apparatus 20.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A discharge assembly, comprising:
the discharge electrode structure comprises two contact electrodes (10), wherein one ends of the two contact electrodes (10) are respectively used for being in contact with two electrodes of a body to be discharged;
a electroscope apparatus (20), the electroscope apparatus (20) comprising:
the two ends of the discharge resistor R1 are respectively and electrically connected with the other ends of the two contact electrodes (10);
the electricity testing loop is connected with the discharge resistor R1 in parallel and used for detecting whether the discharge of the body to be discharged is completed.
2. The discharge assembly of claim 1, wherein the electroscopic loop comprises:
the first electricity testing branch (21) is provided with a first indicator lamp (211), and when the body to be discharged is charged, the first indicator lamp (211) is turned on;
a second electricity testing branch (22), wherein the second electricity testing branch (22) is connected with the first electricity testing branch (21) in parallel, a second indicator lamp (221) is arranged on the second electricity testing branch (22), and when the body to be discharged is electroless, the second indicator lamp (221) is turned on;
wherein the first indicator light (211) and the second indicator light (221) are different in color.
3. The discharge assembly of claim 2, wherein the electroscopic loop further comprises:
the discharging branch circuit (23) is connected in parallel with the discharging resistor R1, at least two voltage dividing resistors R2 are arranged on the discharging branch circuit (23), and the two voltage dividing resistors R2 are connected in series and connected in parallel with the discharging resistor R1;
a processor (24), the branch of discharging (23) with AD/IO terminal electricity of processor (24) is connected, processor (24) have two IO terminals, two IO terminal respectively with first electricity testing branch (21) with second electricity testing branch (22) electricity is connected.
4. The discharge assembly of claim 3, wherein the electroscopic loop further comprises:
and the power supply BT is electrically connected with the processor (24), and two electrodes of the power supply BT are respectively electrically connected with a VCC (voltage collector) terminal and a GND (ground) terminal of the processor (24) to provide electric energy for the processor (24).
5. The discharge assembly of claim 3, wherein the electroscopic loop further comprises:
a third electricity testing branch (25), wherein the third electricity testing branch (25) is electrically connected with the processor (24), and a buzzer (251) and a first detection switch SW3 are arranged on the third electricity testing branch (25);
closing the first detection switch SW3, and when the body to be discharged is electrified, the buzzer (251) gives out prompt tones for preset times; when the body to be discharged is not electrified, the buzzer (251) continuously gives out prompt tones.
6. Discharge assembly according to any of claims 3 to 5, wherein said discharge verification device (20) further comprises:
an analog discharge element (26), wherein the analog discharge element (26) is electrically connected with an AD/IO terminal of the processor (24), and a second detection switch SW2 is arranged on a line of the analog discharge element (26) which is electrically connected with the processor (24);
the second detection switch SW2 is closed to simulate the discharge of the object to be discharged so as to detect whether the circuit checking circuit can work normally.
7. The discharge assembly of claim 1, further comprising:
and one ends of the two connecting mediums (30) are respectively electrically connected with the two contact electrodes (10), and the other ends of the two connecting mediums (30) are electrically connected with two ends of the discharge resistor R1.
8. Discharge assembly according to claim 7, wherein the connection medium (30) is welded to the contact electrode (10), the connection medium (30) being welded to the discharge verification device (20).
9. The discharge assembly of claim 1, further comprising:
the insulating rod (40), one end of the insulating rod (40) is connected with the discharge and test device (20), and the insulating rod (40) is arranged in a telescopic mode;
the insulating rod (40) is sleeved with the insulating handle (50), and the insulating handle (50) is sleeved at the other end of the insulating rod (40).
10. Discharge assembly according to claim 9, characterized in that the insulating rod (40) is detachably connected with the discharge electroscope arrangement (20).
CN202111450969.5A 2021-11-30 2021-11-30 Discharge assembly Pending CN114236218A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111450969.5A CN114236218A (en) 2021-11-30 2021-11-30 Discharge assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111450969.5A CN114236218A (en) 2021-11-30 2021-11-30 Discharge assembly

Publications (1)

Publication Number Publication Date
CN114236218A true CN114236218A (en) 2022-03-25

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CN202111450969.5A Pending CN114236218A (en) 2021-11-30 2021-11-30 Discharge assembly

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Citations (12)

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Publication number Priority date Publication date Assignee Title
JP2014219289A (en) * 2013-05-08 2014-11-20 株式会社希望電機 Electroscope
CN204269721U (en) * 2014-12-24 2015-04-15 国家电网公司 For 10kV electric discharge electrification voice message high-voltage earthing line apparatus
CN204789735U (en) * 2015-07-03 2015-11-18 贵州电网有限责任公司培训与评价中心 Multi -functional discharge detection device of high voltage capacitor
CN106207523A (en) * 2016-07-22 2016-12-07 国网山东省电力公司潍坊供电公司 Test electric discharge integrated device
CN205943742U (en) * 2016-08-08 2017-02-08 广东电网有限责任公司惠州供电局 Take electroscopic function's discharge device of a capacitor
CN207851140U (en) * 2018-01-11 2018-09-11 北京京港地铁有限公司 Integrated DC electroscope
JP2019007793A (en) * 2017-06-22 2019-01-17 株式会社末松電子製作所 Electroscope
CN110927434A (en) * 2020-02-13 2020-03-27 天津美腾科技股份有限公司 Discharge test circuit and discharge test device
US20200112190A1 (en) * 2017-05-10 2020-04-09 Wave Energy Inc. Charging and discharging circuit, capacitor unit, and electroscope
CN211348408U (en) * 2019-10-29 2020-08-25 朱计炜 Electricity testing and discharging integrated device
CN112003038A (en) * 2020-08-14 2020-11-27 广东电网有限责任公司 Capacitor discharging device and discharging method thereof
CN112904076A (en) * 2020-12-30 2021-06-04 成都运达科技股份有限公司 Contact high accuracy electroscope

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014219289A (en) * 2013-05-08 2014-11-20 株式会社希望電機 Electroscope
CN204269721U (en) * 2014-12-24 2015-04-15 国家电网公司 For 10kV electric discharge electrification voice message high-voltage earthing line apparatus
CN204789735U (en) * 2015-07-03 2015-11-18 贵州电网有限责任公司培训与评价中心 Multi -functional discharge detection device of high voltage capacitor
CN106207523A (en) * 2016-07-22 2016-12-07 国网山东省电力公司潍坊供电公司 Test electric discharge integrated device
CN205943742U (en) * 2016-08-08 2017-02-08 广东电网有限责任公司惠州供电局 Take electroscopic function's discharge device of a capacitor
US20200112190A1 (en) * 2017-05-10 2020-04-09 Wave Energy Inc. Charging and discharging circuit, capacitor unit, and electroscope
JP2019007793A (en) * 2017-06-22 2019-01-17 株式会社末松電子製作所 Electroscope
CN207851140U (en) * 2018-01-11 2018-09-11 北京京港地铁有限公司 Integrated DC electroscope
CN211348408U (en) * 2019-10-29 2020-08-25 朱计炜 Electricity testing and discharging integrated device
CN110927434A (en) * 2020-02-13 2020-03-27 天津美腾科技股份有限公司 Discharge test circuit and discharge test device
CN112003038A (en) * 2020-08-14 2020-11-27 广东电网有限责任公司 Capacitor discharging device and discharging method thereof
CN112904076A (en) * 2020-12-30 2021-06-04 成都运达科技股份有限公司 Contact high accuracy electroscope

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