CN211263629U - Non-contact sensor for measuring electric field intensity of ion current electric field - Google Patents

Non-contact sensor for measuring electric field intensity of ion current electric field Download PDF

Info

Publication number
CN211263629U
CN211263629U CN201922191416.7U CN201922191416U CN211263629U CN 211263629 U CN211263629 U CN 211263629U CN 201922191416 U CN201922191416 U CN 201922191416U CN 211263629 U CN211263629 U CN 211263629U
Authority
CN
China
Prior art keywords
polar plate
plate
electric field
pcb
equipotential ring
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.)
Active
Application number
CN201922191416.7U
Other languages
Chinese (zh)
Inventor
唐立军
周年荣
杨家全
陈柏希
李浩涛
刘韵涵
杨洋
栾思平
胡昌斌
王斐宏
王世平
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.)
Electric Power Research Institute of Yunnan Power Grid Co Ltd
Kunming Power Supply Bureau of Yunnan Power Grid Co Ltd
Original Assignee
Electric Power Research Institute of Yunnan Power Grid Co Ltd
Kunming Power Supply Bureau of Yunnan Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Electric Power Research Institute of Yunnan Power Grid Co Ltd, Kunming Power Supply Bureau of Yunnan Power Grid Co Ltd filed Critical Electric Power Research Institute of Yunnan Power Grid Co Ltd
Priority to CN201922191416.7U priority Critical patent/CN211263629U/en
Application granted granted Critical
Publication of CN211263629U publication Critical patent/CN211263629U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

The utility model discloses a measure non-contact sensor of electric field strength of ion current electric field, including last polar plate, PCB board and bottom plate, wherein: an equipotential ring is arranged on the outer side of the upper polar plate, and a gap is formed between the upper polar plate and the equipotential ring; the PCB comprises a probe polar plate and a processing circuit, the probe polar plate is electrically connected with the processing circuit, and the processing circuit of the PCB is electrically connected with the client; the upper surface of the upper polar plate is arranged below the high-voltage transmission line, the lower surfaces of the upper polar plate and the equipotential ring are both connected with the upper surface of the probe polar plate of the PCB, the lower surface of the PCB is connected with the upper surface of the lower polar plate, and the lower surface of the lower polar plate is connected with the ground of the floating circuit. The utility model discloses in, the outside of going up the polar plate sets up equipotential ring, goes up the polar plate and all is connected with the PCB board with equipotential ring, can keep apart the electric field distortion that marginal effect caused, keeps equipotential ring internal electric field distribution even, improves measuring accuracy.

Description

Non-contact sensor for measuring electric field intensity of ion current electric field
Technical Field
The utility model relates to a sensor technical field especially relates to measure non-contact sensor of electric field strength of ion current electric field.
Background
At present, the voltage class of a direct current converter station is mostly +/-500 kV and +/-800 kV, according to the 6.3.2 regulation of GB26859 electric power safety work rules, a high-voltage direct current line and an alternating current line with 330kV or above can be gradually close to a lead by using an insulating rod with a metal part or a special insulating rope, the electricity is tested according to the existence of discharge single sound and spark, and whether the line is electrified or not is judged. However, in practical maintenance work practice of high-voltage transmission lines, it is found that many line iron towers are over seventy-eight meters high, electricity cannot be tested under the towers, operating personnel are required to climb the iron towers to a certain height to test the electricity by carrying electricity testing rods with the lengths of several meters, and the high-voltage transmission line maintenance work method has the defects of overlarge labor intensity, difficulty in operation and great potential safety hazard. Compared with contact measurement, non-contact measurement is a more convenient, safe and efficient detection means. And the non-contact electric field sensor can realize the functions of electricity testing, early warning and the like by sensing the surrounding electric field.
A conventional non-contact electric field sensor includes an upper plate, a PCB plate, and a lower plate. The upper polar plate is positioned at the lower side of the high-voltage direct-current transmission line, the two sides of the PCB are respectively connected with the upper polar plate and the lower polar plate, and the lower polar plate is connected with the ground of the floating circuit. In the using process, the upper polar plate receives the ion flow field information of the high-voltage direct-current transmission line to obtain the electric field intensity of the ion flow field and sends the electric field intensity to the PCB; the PCB processes the ion flow field information and sends the processed data to a mobile phone or a computer.
Due to the boundary of the upper polar plate, the electric field distortion is easily caused by the edge effect, and the measurement result is easily inaccurate due to the electric field distortion. Therefore, a non-contact sensor that measures the electric field strength of the ion current electric field has been proposed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a measure non-contact sensor of the electric field strength of ion current electric field to solve traditional non-contact electric field sensor because edge effect causes electric field distortion's technical problem.
In order to solve the technical problem, the embodiment of the utility model discloses following technical scheme:
measure non-contact sensor of the electric field strength of ion current electric field, including last polar plate, PCB board and bottom plate, wherein: an equipotential ring is arranged on the outer side of the upper polar plate, and a gap is formed between the upper polar plate and the equipotential ring; the PCB comprises a probe polar plate and a processing circuit, the probe polar plate is electrically connected with the processing circuit, and the processing circuit of the PCB is electrically connected with the client; the upper surface of the upper polar plate is arranged below the high-voltage transmission line, the lower surfaces of the upper polar plate and the equipotential ring are both connected with the upper surface of the probe polar plate of the PCB, the lower surface of the PCB is connected with the upper surface of the lower polar plate, and the lower surface of the lower polar plate is connected with the ground of the floating circuit.
Optionally, the upper plate, the PCB board and the lower plate are parallel to each other.
Optionally, the upper plate, the equipotential ring, the PCB and the lower plate are all rectangular in shape.
Optionally, the length of the upper polar plate is 11mm, and the width of the upper polar plate is 8.0 mm; the width dimension of the equipotential ring is 0.762 mm; the length dimension of the PCB is 26.5mm, the width dimension of the PCB is 14.6mm, and the thickness dimension of the PCB is 1.2 mm.
Optionally, the upper plate is a copper foil upper plate, the equipotential ring is a copper foil equipotential ring, and the lower plate is a copper foil lower plate.
Has the advantages that: the utility model provides a measure non-contact sensor of electric field strength of ion current electric field, including last polar plate, PCB board and bottom plate, the outside of going up the polar plate is provided with equipotential ring, goes up the space between polar plate and the equipotential ring. The PCB comprises a probe polar plate and a processing circuit, the probe polar plate is electrically connected with the processing circuit, and the processing circuit of the PCB is electrically connected with the client; the upper surface of the upper polar plate is arranged below the high-voltage transmission line, the lower surfaces of the upper polar plate and the equipotential ring are both connected with the upper surface of the probe polar plate of the PCB, the lower surface of the PCB is connected with the upper surface of the lower polar plate, and the lower surface of the lower polar plate is connected with the ground of the floating circuit. In the using process, the upper polar plate receives the ion flow field information of the high-voltage transmission line, and the electric field intensity of the ion flow field can be effectively detected. The equipotential ring around the upper polar plate can isolate the electric field distortion caused by the edge effect and keep the electric field distribution in the equipotential ring uniform. The lower polar plate is connected with the ground of the floating circuit, so that the influence of a user on the electric field sensor is reduced. The utility model discloses in, the outside of going up the polar plate sets up equipotential ring, goes up the polar plate and all is connected with the PCB board with equipotential ring, can keep apart the electric field distortion that marginal effect caused, keeps equipotential ring internal electric field distribution even, improves measuring accuracy.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic structural diagram of a non-contact sensor for measuring an electric field intensity of an ion current electric field provided by the utility model;
description of the drawings: 1-upper polar plate, 2-PCB plate, 3-lower polar plate, 4-equipotential ring.
Detailed Description
Referring to fig. 1, for the utility model provides a measure non-contact sensor's of electric field strength of ion current electric field structural schematic diagram, can know, the utility model provides a measure non-contact sensor of electric field strength of ion current electric field, this non-contact sensor includes polar plate 1, PCB board 2 and bottom plate 3, and the outside of going up polar plate 1 is provided with equipotential ring 4, goes up the polar plate 1 and has the space between the equipotential ring 4. The PCB 2 comprises a probe polar plate and a processing circuit, the probe polar plate is electrically connected with the processing circuit, and the processing circuit of the PCB 2 is electrically connected with the client; the upper surface of the upper polar plate 1 is arranged below a high-voltage transmission line, the lower surfaces of the upper polar plate 1 and the equipotential ring 4 are both connected with the upper surface of a probe polar plate of the PCB 2, the lower surface of the PCB 2 is connected with the upper surface of the lower polar plate 3, and the lower surface of the lower polar plate 3 is connected with the ground of the floating circuit. In the using process, the upper polar plate 1 receives the ion flow field information of the high-voltage transmission line, and the electric field intensity of the ion flow field can be effectively detected. The equipotential ring 4 around the upper polar plate 1 can isolate the electric field distortion caused by the edge effect and keep the electric field distribution in the equipotential ring 4 uniform. The lower polar plate 3 is connected with the ground of the floating circuit, so that the influence of a user on the electric field sensor is reduced. The utility model discloses in, the outside of going up polar plate 1 sets up equipotential ring 4, goes up polar plate 1 and equipotential ring 4 and all is connected with PCB board 2, can keep apart the electric field distortion that marginal effect caused, keeps equipotential ring 4 interior electric field distribution even, improves measuring accuracy.
For accurate transmission of the ionic current electric field intensity, the upper polar plate 1, the PCB 2 and the lower polar plate 3 are parallel to each other; the upper polar plate 1, the equipotential ring 4, the PCB 2 and the lower polar plate 3 are all rectangular in shape. The upper polar plate 1, the PCB 2 and the lower polar plate 3 are parallel to each other, the contact area among the upper polar plate 1, the PCB 2 and the lower polar plate 3 is the largest, and the transmission of the ionic current electric field intensity is more rapid and accurate.
For convenience of carrying, in this embodiment, the length of the upper electrode plate 1 is 11mm, and the width of the upper electrode plate 1 is 8.0 mm; the width dimension of the equipotential ring 4 is 0.762 mm; the length dimension of the PCB board 2 is 26.5mm, the width dimension of the PCB board 2 is 14.6mm, and the thickness dimension of the PCB board 2 is 1.2 mm. The non-contact sensor of the upper polar plate 1, the equipotential ring 4, the PCB 2 and the lower polar plate 3 in the size is small in size, convenient to carry and further convenient to measure.
In order to facilitate the transmission of the electric field intensity, in the embodiment, the upper plate 1 is a copper foil upper plate, the equipotential ring 4 is a copper foil equipotential ring, and the lower plate 3 is a copper foil lower plate. The copper foil has the advantages of good conductivity, low price and the like, so the conductivity is generally set as a copper conductor.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (5)

1. Measure non-contact sensor of electric field strength of ion current electric field, its characterized in that includes top plate (1), PCB board (2) and bottom plate (3), wherein:
an equipotential ring (4) is arranged on the outer side of the upper polar plate (1), and a gap is formed between the upper polar plate (1) and the equipotential ring (4);
the PCB (2) comprises a probe polar plate and a processing circuit, the probe polar plate is electrically connected with the processing circuit, and the processing circuit of the PCB (2) is electrically connected with a client;
the upper surface of the upper polar plate (1) is arranged below a high-voltage transmission line, the lower surfaces of the upper polar plate (1) and the equipotential ring (4) are connected with the upper surface of the probe polar plate of the PCB (2), the lower surface of the PCB (2) is connected with the upper surface of the lower polar plate (3), and the lower surface of the lower polar plate (3) is connected with the ground of the floating circuit.
2. The contactless sensor according to claim 1, characterized in that the upper plate (1), the PCB board (2) and the lower plate (3) are parallel to each other.
3. The contactless sensor according to claim 1, characterized in that the upper plate (1), the equipotential ring (4), the PCB board (2), and the lower plate (3) are all rectangular in shape.
4. The non-contact sensor of claim 1, wherein the upper plate (1) has a length dimension of 11mm and the upper plate (1) has a width dimension of 8.0 mm; the width dimension of the equipotential ring (4) is 0.762 mm; the length dimension of PCB board (2) is 26.5mm, the width dimension of PCB board (2) is 14.6mm, the thickness dimension of PCB board (2) is 1.2 mm.
5. The non-contact sensor of claim 1, wherein the upper plate (1) is a copper foil upper plate, the equipotential ring (4) is a copper foil equipotential ring, and the lower plate (3) is a copper foil lower plate.
CN201922191416.7U 2019-12-09 2019-12-09 Non-contact sensor for measuring electric field intensity of ion current electric field Active CN211263629U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922191416.7U CN211263629U (en) 2019-12-09 2019-12-09 Non-contact sensor for measuring electric field intensity of ion current electric field

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922191416.7U CN211263629U (en) 2019-12-09 2019-12-09 Non-contact sensor for measuring electric field intensity of ion current electric field

Publications (1)

Publication Number Publication Date
CN211263629U true CN211263629U (en) 2020-08-14

Family

ID=71960272

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922191416.7U Active CN211263629U (en) 2019-12-09 2019-12-09 Non-contact sensor for measuring electric field intensity of ion current electric field

Country Status (1)

Country Link
CN (1) CN211263629U (en)

Similar Documents

Publication Publication Date Title
CN105676081B (en) Direct current cables based on ultralow frequency dielectric loss squeezes out insulation ag(e)ing state evaluating method
CN108445363A (en) A kind of city net cable insulation defect inspection method based on fringe field
CN105486927A (en) Measurement method for volume resistivity of solid insulating material
CN109459621A (en) A kind of conductor floats current potential contactless measuring system
ES538246A0 (en) APPARATUS AND METHOD OF DYNAMIC MEASUREMENT AND WITHOUT CONTACT OF SMALL DISTANCES.
CN211263629U (en) Non-contact sensor for measuring electric field intensity of ion current electric field
CN115453281A (en) Degraded insulator identification method and device based on electric field array and medium
CN106404843A (en) Electrical measurement based four-point type nondestructive test probe with adaptive adjustment
CN106199246A (en) A kind of fast evaluation method of composite insulator degree of aging
CN210037946U (en) Current measuring device based on TMR tunnel magnetic resistance
CN203587753U (en) Simulation device of GIS electrical-equipment internal suspension potential defect
CN204945312U (en) Measure the servicing unit of insulating tool
CN106443317A (en) Transformer copper-clad aluminum winding detector and detection method
CN204854614U (en) Dual -purpose portable coating calibrator of magnetism and vortex
Liu et al. Experimental study on UHF pattern of partial discharges in transformer bushings
CN205103317U (en) Measurement device for solid insulating material volume resistivity
CN214310666U (en) Insulation material magnetization conductance current testing arrangement
CN205919776U (en) Charge coil position detecting device
CN206193148U (en) Transformer copper clad aluminium winding detector
CN208421145U (en) A kind of novel spark detection device
CN206876805U (en) A kind of inside transformer tip partial discharge model
CN209590090U (en) A kind of high pressure resistant pin configuration
KR102053171B1 (en) Apparatus and mehtod for estimating partial discharge of electric trnsformer
CN215339990U (en) Meter pen head for checking direct current grounding
CN207866920U (en) A kind of arrester test device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant