CN206594239U - A kind of screening clothing shield effectiveness detection means - Google Patents
A kind of screening clothing shield effectiveness detection means Download PDFInfo
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- CN206594239U CN206594239U CN201720295349.1U CN201720295349U CN206594239U CN 206594239 U CN206594239 U CN 206594239U CN 201720295349 U CN201720295349 U CN 201720295349U CN 206594239 U CN206594239 U CN 206594239U
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- detection means
- shield effectiveness
- transformer
- screening clothing
- pressure regulator
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Abstract
The utility model provides a kind of screening clothing shield effectiveness detection means, including electrode assembly and control device;The control device includes cabinet, the isolation pressure regulator being arranged in the cabinet, transformer and the first voltage table for measuring the electrode assembly low pressure terminal voltage;The input of the isolation pressure regulator is connected with external power source, the output end of the isolation pressure regulator is connected with the primary coil of the transformer, the secondary coil connection of the electrode assembly and transformer, the first voltage table of being connected between the low-pressure end of the electrode assembly and the secondary coil low-pressure end of transformer.The detection means integrated level is high, and wiring is simple, and easy to use, the output voltage of control device is low, safe to use.
Description
Technical field
The utility model is related to live line tool testing equipment field, more particularly to a kind of screening clothing shield effectiveness detection
Device.
Background technology
To ensure the personal safety of livewire work personnel, livewire work screening clothing must be detected by shield effectiveness, it is ensured that
Shield effectiveness, which is met, to be required.Existing detection device mainly includes power-frequency voltage generator, induction type voltage measurement table, pressurization electricity
Pole, receiving electrode, independently of one another, wiring is used each equipment again when being detected.Existing detection means is to form sine voltage,
Generator requires that output maximum voltage reaches 2.5kV, threatens larger to testing crew personal safety, and wiring is more using numb
It is tired.
It can be seen that, prior art could be improved and improve.
Utility model content
In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of screening clothing shield effectiveness
Detection means, it is intended to by reducing output voltage and improving device integrated level, improve the security of detection means and easy to use
Property.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of screening clothing shield effectiveness detection means, including electrode assembly and control device;The control device includes machine
Case, the isolation pressure regulator being arranged in the cabinet, transformer and for measuring the electrode assembly low pressure terminal voltage first
Voltmeter;The input of the isolation pressure regulator is connected with external power source, the output end of the isolation pressure regulator and the transformer
Primary coil connection, the electrode assembly and transformer secondary coil connection, the low-pressure end and transformer of the electrode assembly
Secondary coil low-pressure end between connect the first voltage table.
Described screening clothing shield effectiveness detection means, wherein, the electrode assembly includes the emitting portion being oppositely arranged
And receiving portion;The emitting portion includes the first insulation board, emission electrode, the second insulation board set gradually from top to bottom,
One insulation board, emission electrode, the second insulation board are circular slab;The receiving portion include it is columnar shielding shell,
Lid is connected to the upper lid of the shielding shell upper end, the barricade for being arranged at shielding shell lower end, is set in turn in the barricade following table
3rd insulation board in face and the receiving electrode with binding post, the binding post are arranged at the top of the receiving electrode and through the
Earth stud is provided with three insulation boards and barricade, the shielding shell, is in series between the binding post and earth stud
Load resistance;Earth stud, binding post are all connected with shielding the second socket on shell.
Described screening clothing shield effectiveness detection means, wherein, first insulation board is insulating board.
Described screening clothing shield effectiveness detection means, wherein, the first voltage table is capacitive AC voltmeter.
Described screening clothing shield effectiveness detection means, wherein, fuse, the fuse string are provided with the cabinet
It is coupled between the isolation pressure regulator and external power source.
Described screening clothing shield effectiveness detection means, wherein, protective switch of the short circuit is provided with the cabinet, it is described short
Road protection switch is series at the fuse and isolated with described between pressure regulator.
Described screening clothing shield effectiveness detection means, wherein, in addition to for measuring the isolation pressure regulator output electricity
The ammeter of stream, the ammeter is series between the isolation output voltage regulator and the defeated primary coil of the transformer.
Described screening clothing shield effectiveness detection means, wherein, in addition to for measuring the transformer output voltage
Second voltage table, the second voltage table is parallel to the secondary coil of the transformer.
Described screening clothing shield effectiveness detection means, wherein, position and shape are offered respectively on the cover of the cabinet
Shape and first voltage table, second voltage table, the adaptable opening of display board of ammeter, first voltage table, second voltage table and
The display board of ammeter stretches out from each self-corresponding opening.
Described screening clothing shield effectiveness detection means, wherein, the adjusting knob of the isolation pressure regulator is through cabinet
Side wall is stretched out outside cabinet.
Beneficial effect:
The utility model provides a kind of screening clothing shield effectiveness detection means, including electrode assembly and control device;Institute
Stating control device includes cabinet, the isolation pressure regulator being arranged in the cabinet, transformer and for measuring the electrode assembly
The first voltage table of low pressure terminal voltage;It is described isolation pressure regulator input be connected with external power source, the isolation pressure regulator it is defeated
Go out end to be connected with the primary coil of the transformer, the secondary coil connection of the electrode assembly and transformer, the electrode assembly
Low-pressure end and the secondary coil low-pressure end of transformer between connect the first voltage table.The detection means integrated level is high, connects
Line is simple, and easy to use, the output voltage of control device is low, safe to use.
Brief description of the drawings
The structural representation for the screening clothing shield effectiveness detection means that Fig. 1 provides for the utility model.
In the screening clothing shield effectiveness detection means that Fig. 2 provides for the utility model, cabinet inside structural representation.
The circuit diagram for the screening clothing shield effectiveness detection means that Fig. 3 provides for the utility model.
Embodiment
The utility model provides a kind of screening clothing shield effectiveness detection means, to make the purpose of this utility model, technical side
Case and effect are clearer, clear and definite, and the utility model is further described the embodiment that develops simultaneously referring to the drawings.It should manage
Solution, specific embodiment described herein only to explain the utility model, is not used to limit the utility model.
Fig. 1, Fig. 2 and Fig. 3 are referred to, the utility model provides a kind of screening clothing shield effectiveness detection means, including electrode
Device 1 and control device 2;The control device 2 includes cabinet 21, isolation pressure regulator 23, the transformer being arranged in the cabinet
24 and for measuring the first voltage table 27 of the low pressure terminal voltage of electrode assembly 1;It is described isolation pressure regulator input with
External power source is connected, and the output end of the isolation pressure regulator is connected with the primary coil of the transformer, and the electrode assembly is with becoming
The secondary coil connection of depressor, connects described first between the low-pressure end of the electrode assembly and the secondary coil low-pressure end of transformer
Voltmeter.In the present embodiment, the transformer 24 is step-up transformer, what the cabinet was hinged with one with case box
Cover 22, external power source is connected by the 3rd socket 25 on cabinet(220V civil powers), the control device passes through on cabinet
4th socket 26 is connected with electrode assembly, the connection end ground connection of the secondary coil of first voltage table and transformer(Referring to Fig. 3),
That is, the connection end is low-pressure end.
During detection, electrode assembly 1 is connected with the 3rd socket 25, ground wire is connected and then control device is connected into external electrical
Source simultaneously can be used, it is seen that the device wiring is simple and convenient to operate fast.Suppress harmonic wave because the isolation pressure regulator has again
The function of interference, making control device output, maximum output waveform is good, meet the sinusoidal ac that detection is required, and voltage
Only need to reach that 660V can make the detection means normal work, that is, reduce the output voltage of control device, improve device
Security.
Specifically, the electrode assembly 1 includes the emitting portion 11 and receiving portion 12 being oppositely arranged;The emitting portion
Including the first insulation board 111, emission electrode 112, the second insulation board 113 set gradually from top to bottom, an insulation board, hair
Radio pole, the second insulation board are circular slab;The receiving portion includes columnar shielding shell 121, lid and is connected to the shielding
The upper lid 122 of shell upper end, the barricade 123 for being arranged at shielding shell lower end, be set in turn in the barricade lower surface the
Three insulation boards 124 and the receiving electrode 125 with binding post 1251, the binding post are arranged at the top of the receiving electrode and worn
Cross and earth stud 126 is provided with the 3rd insulation board and barricade, the shielding shell, between the binding post and earth stud
It is in series with load resistance 127;Earth stud, binding post are all connected with shielding the second socket 128 on shell.It is preferred that, the hair
Radio, which has one, is used for the first socket of wiring(Do not have picture in figure), so as to the connection of emission electrode.During detection, cloth is detected
Material be placed on the first insulation board, then receiving portion is pressed on cloth, then with wire the first socket, the second socket and
4th socket 26 is connected, now, and the first socket is the high-pressure side of electrode assembly, and the second socket is the low pressure of electrode assembly
End.
It is preferred that, first insulation board 111 is insulating board.The low-pressure end of electrode assembly can be improved from the material
Voltage, in the case where first voltage meter accuracy is certain, the raising of low pressure terminal voltage can reduce systematic error, improve detection
The accuracy of device.Preferably, the insulating board is T4 insulating boards.
Further, the first voltage table 27 is capacitive AC voltmeter.Compared to inductance type A.C. voltmeter, at this
In the circuit of detection means, the use of capacitive AC voltmeter can improve the voltage of the low-pressure end of electrode assembly, so as to subtract
Mini system error, improves the accuracy of detection means.
Further, fuse 211 is provided with the cabinet 21, the fuse is series at the isolation pressure regulator 23
Between external power source.It is timely when power input sets fuse to enable detection device due to failure generation high current
Circuit is cut off, prevents equipment from further damaging, it is ensured that personnel, the safety of property.It is preferred that, the fuse is bipolar fusing
Device, two fusible link is series at the high and low pressure side of isolation pressure regulator input respectively(Referring to Fig. 3), the fuse can be
Circuit is more reliably cut off when needing.
Further, protective switch of the short circuit 212 is provided with the cabinet 21, the protective switch of the short circuit is series at described
Fuse 211 is isolated between pressure regulator 23 with described.Protective switch of the short circuit can circuit occur short circuit when automatic shutdown circuit,
Prevent that device damage, circuit are on fire, it is ensured that personnel, the safety of property.It is preferred that, the protective switch of the short circuit is protected for bipolar short circuit
Shield switch, two switch is series at the high and low pressure side of isolation pressure regulator input respectively(Referring to Fig. 3), the short-circuit protection opens
Input, output two lines road can be cut off simultaneously when needed by closing, and reliability is higher.
The output current for isolating pressure regulator 23 is monitored for convenience, referring to Fig. 3, the screening clothing shield effectiveness
Detection means, in addition to for measuring the ammeter 213 of the isolation pressure regulator output current, the ammeter be series at it is described every
From between the output end of pressure regulator 23 and the primary coil of the transformer 24.The output current for isolating pressure regulator is monitored, had
Beneficial to the exception of the timely discovering device of testing staff.
It is preferred that, referring to Fig. 3, described screening clothing shield effectiveness detection means, in addition to for measuring the transformation
The second voltage table 214 of the output voltage of device 24, the second voltage table is parallel to the secondary coil of the transformer.Second voltage
The setting of table, enables testing staff intuitively to see the regulation result of output voltage, at the same also can monitoring device work whether
Normally.
Specifically, location and shape and the electricity of first voltage table 27, second are offered on the cover 22 of the cabinet 21 respectively
The opening for pressing the display board of table 214, ammeter 213 adaptable, the display board of first voltage table, second voltage table and ammeter from
Each self-corresponding opening is stretched out.In this way, cover closure can also carry out digital independent during detection, circuit is exposed, subtract
The possibility that few personnel get an electric shock, so as to improve the security of detection means.
In addition, the adjusting knob 231 of the isolation pressure regulator 23 is stretched out outside cabinet 21 through the side wall of cabinet 21.Make detection
Personnel need not be uncapped during pressure regulation operation, reduce the possibility got an electric shock.
In summary, the utility model provides a kind of screening clothing shield effectiveness detection means, including electrode assembly and control
Device processed;The control device includes cabinet, the isolation pressure regulator being arranged in the cabinet, transformer and for measuring
State the first voltage table of electrode assembly low pressure terminal voltage;The input of the isolation pressure regulator is connected with external power source, the isolation
The output end of pressure regulator is connected with the primary coil of the transformer, the secondary coil connection of the electrode assembly and transformer,
Connected between the low-pressure end of the electrode assembly and the secondary coil low-pressure end of transformer the first voltage table.The detection means collection
High into degree, wiring is simple, and easy to use, the output voltage of control device is low, safe to use.In addition, by insulating board,
The selection of capacitive AC voltmeter, improves accuracy of detection.
It is understood that for those of ordinary skills, can according to the technical solution of the utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (10)
1. a kind of screening clothing shield effectiveness detection means, it is characterised in that including electrode assembly and control device;The control dress
Put including cabinet, the isolation pressure regulator being arranged in the cabinet, transformer and for measuring electrode assembly low-pressure end electricity
The first voltage table of pressure;The input of the isolation pressure regulator is connected with external power source, the output end of the isolation pressure regulator and institute
State the primary coil connection of transformer, the secondary coil connection of the electrode assembly and transformer, the low-pressure end of the electrode assembly
Connected between the secondary coil low-pressure end of transformer the first voltage table.
2. screening clothing shield effectiveness detection means according to claim 1, it is characterised in that the electrode assembly includes phase
To the emitting portion and receiving portion of setting;The emitting portion includes the first insulation board, the transmitting set gradually from top to bottom
Electrode, the second insulation board, an insulation board, emission electrode, the second insulation board are circular slab;The receiving portion includes circle
Shielding shell, the lid of tubular are connected to the upper lid of the shielding shell upper end, the barricade for being arranged at shielding shell lower end, set gradually
In the 3rd insulation board of the barricade lower surface and receiving electrode with binding post, the binding post is arranged at the receiving electrode
Top and through the 3rd insulation board and barricade, earth stud, the binding post and ground connection are provided with the shielding shell
Load resistance is in series between bolt;Earth stud, binding post are all connected with shielding the second socket on shell.
3. screening clothing shield effectiveness detection means according to claim 2, it is characterised in that first insulation board is exhausted
Edge cardboard.
4. screening clothing shield effectiveness detection means according to claim 1, it is characterised in that the first voltage table is electricity
Appearance formula A.C. voltmeter.
5. screening clothing shield effectiveness detection means according to claim 1, it is characterised in that be provided with the cabinet molten
Disconnected device, the fuse is series between the isolation pressure regulator and external power source.
6. screening clothing shield effectiveness detection means according to claim 5, it is characterised in that be provided with the cabinet short
Road protection switch, the protective switch of the short circuit is series at the fuse isolates between pressure regulator with described.
7. screening clothing shield effectiveness detection means according to claim 1, it is characterised in that also including described for measuring
Isolate the ammeter of pressure regulator output current, the ammeter is series at the isolation output voltage regulator and the primary
Between coil.
8. screening clothing shield effectiveness detection means according to claim 1, it is characterised in that also including described for measuring
The second voltage table of transformer output voltage, the second voltage table is parallel to the secondary coil of the transformer.
9. screening clothing shield effectiveness detection means according to claim 8, it is characterised in that divide on the cover of the cabinet
The location and shape opening adaptable with the display board of first voltage table, second voltage table, ammeter, first voltage are not offered
The display board of table, second voltage table and ammeter stretches out from each self-corresponding opening.
10. the screening clothing shield effectiveness detection means according to claim any one of 1-9, it is characterised in that the isolation
The adjusting knob of pressure regulator is stretched out outside cabinet through the side wall of cabinet.
Priority Applications (1)
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CN201720295349.1U CN206594239U (en) | 2017-03-24 | 2017-03-24 | A kind of screening clothing shield effectiveness detection means |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720295349.1U CN206594239U (en) | 2017-03-24 | 2017-03-24 | A kind of screening clothing shield effectiveness detection means |
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Publication Number | Publication Date |
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CN206594239U true CN206594239U (en) | 2017-10-27 |
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CN201720295349.1U Active CN206594239U (en) | 2017-03-24 | 2017-03-24 | A kind of screening clothing shield effectiveness detection means |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110895295A (en) * | 2019-11-28 | 2020-03-20 | 国网河北省电力有限公司电力科学研究院 | Device and method for automatically testing efficiency of shielding clothes |
-
2017
- 2017-03-24 CN CN201720295349.1U patent/CN206594239U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110895295A (en) * | 2019-11-28 | 2020-03-20 | 国网河北省电力有限公司电力科学研究院 | Device and method for automatically testing efficiency of shielding clothes |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190227 Address after: 528200 Guicheng 1701 street, No. 33, Ji Hua Dong Road, Guicheng District, Foshan, Nanhai, Guangdong Patentee after: Guangdong Weiheng Power Transmission and Distribution Co., Ltd. Address before: 528200 6/F, 2 Building, No. 33 Jihua East Road, Guicheng Street, Nanhai District, Foshan City, Guangdong Province Patentee before: GUANGDONG HONGLIANG DETECTION TECHNOLOGY CO., LTD. |
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TR01 | Transfer of patent right |