CN105277858B - A kind of pressure-resistant adapter of inner cone casing shelf depreciation test - Google Patents
A kind of pressure-resistant adapter of inner cone casing shelf depreciation test Download PDFInfo
- Publication number
- CN105277858B CN105277858B CN201510656716.1A CN201510656716A CN105277858B CN 105277858 B CN105277858 B CN 105277858B CN 201510656716 A CN201510656716 A CN 201510656716A CN 105277858 B CN105277858 B CN 105277858B
- Authority
- CN
- China
- Prior art keywords
- insulator
- inner cone
- electric conductor
- cone casing
- pressure
- 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
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 239000012212 insulator Substances 0.000 claims abstract description 112
- 239000004020 conductor Substances 0.000 claims abstract description 66
- 230000005611 electricity Effects 0.000 claims abstract description 11
- 230000005684 electric field Effects 0.000 claims description 15
- 230000035515 penetration Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920000260 silastic Polymers 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241001149930 Protura <class> Species 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Insulators (AREA)
Abstract
The present invention relates to a kind of inner cone casing shelf depreciations to test with pressure-resistant adapter, including for the insulator with the cooperation of the inner conical surface of inner cone casing and for being conductively connected with inner cone casing to introduce the electric conductor of high-voltage electricity, insulator is equipped with axis and extends in left-right direction and be open towards right electric conductor mounting hole, electric conductor is inserted into electric conductor mounting hole, is equipped with the inserts being conductively connected with electric conductor in insulator in the left side of electric conductor mounting hole.The present invention solves in inner cone casing shelf depreciation test process in the prior art, can not judge which inner cone casing there is technical issues that problem and then test is caused to can not be successfully.
Description
Technical field
It is tested the present invention relates to a kind of inner cone casing shelf depreciation and uses pressure-resistant adapter, it is exhausted to belong to gas-insulated switchgear
The shelf depreciation testing experiment technical field of edge casing.
Background technique
Currently, generalling use pressure resistance during gas-insulated switchgear industrial frequency withstand voltage and lightning impulse pressure test
Adapter is tested with inner cone casing connection, such as the day for announcing is 2010.08.11, Authorization Notice No. is CN 201548561
The Chinese utility model patent of U discloses the pressure-resistant adapter that such a gas-insulated switch is set, as shown in Figure 1, should
Pressure-resistant adapter includes an outer cone head part 90, and outer cone head part is in one end of pressure-resistant adapter and is suitable for connecting with inner cone casing
It connects；One hollow electric conductor 91, the both ends of electric conductor 91 are provided with connection screw thread；The insulator being coated on electric conductor 91
92；One for adapter to be fixed on to metal platen 94 on inner cone casing and insulator 92 is external surface grounded；And connection
Voltage equalizing ball in 91 one end of electric conductor.Inner cone casing to be measured when in use, is connected to the outer cone of pressure-resistant adapter by the adapter
Head, metal platen 94 are connected by connection bolt and inner cone casing to be measured and by external surface grounded, the electric conductor of insulator 92
One end close to outer cone head part 90 be provided with external screw thread stud, external screw thread stud connect reality in turn with the conduct piece of inner cone casing
Existing conducting wire can set the gas-insulated switch equipped with inner cone casing by voltage equalizing ball by inside high-voltage electricity insertion switch equipment
It is standby to carry out industrial frequency withstand voltage, lightning impulse pressure test and partial discharge test.But due to the outer conehead of the pressure resistance adapter
The distance of portion's distance high-voltage input terminal farther out, during high-voltage electricity is introduced into pressure-resistant adapter by pressure-resistant adapter, insulator
The electric field that inside generates is affected by factors such as ambient enviroment, external magnetic fields, therefore, if using the pressure resistance adapter
When carrying out partial discharge test, it is impossible to enough reflect true electric field conditions and practical shelf depreciation problem.
To solve the above-mentioned problems, it is usually tried by the way of two inner cone casing docking to be measured in the prior art
It tests, as shown in Fig. 2, left inside taper bushing 95 and left mounting flange 96 are connected, right inner cone casing 97 is connected with right mounting flange 98, left
Inner cone sleeve and right inner conical drogue are equipped with insulating sleeve 90 in leading to, and Elecrical connector 93 are equipped in insulating sleeve 90, conduction is even
It connects device 93 to be conductively connected with left inside taper bushing and right inner cone casing respectively, left mounting flange is bolted with right mounting flange
It is folded with limited block 99 together and between the two.Access high voltage input terminal when test, in two inner cone casings of left and right
100, high-voltage electricity is introduced and forms electric field inside insulating sleeve, true electric field feelings are able to reflect out using the program
Condition will lead to test failure when if one or two in two inner cone casings are there are self-defect or by voltage breakdown,
It can not judge which inner cone casing goes wrong, therefore test will be will lead to can not to go on smoothly.
Summary of the invention
It is tested the object of the present invention is to provide a kind of inner cone casing shelf depreciation and uses pressure-resistant adapter, to solve existing skill
In art in inner cone casing shelf depreciation test process, which inner cone casing can not be judged there are problem and then causes to test nothing
The technical issues of method is gone on smoothly.
To achieve the above object, the present invention adopts the following technical scheme:
The pressure-resistant adapter of inner cone casing shelf depreciation test, including for the insulation with the cooperation of the inner conical surface of inner cone casing
Body and for being conductively connected with inner cone casing to introduce the electric conductor of high-voltage electricity, insulator be equipped with axis extend in left-right direction and
It is open towards right electric conductor mounting hole, electric conductor is inserted into electric conductor mounting hole, in a left side for electric conductor mounting hole in insulator
Side is equipped with the inserts being conductively connected with electric conductor.
The inserts includes shading ring that central axis extends in left-right direction, for balanced electric field, the shading ring
It is coaxially disposed with electric conductor.
Be equipped with fixed block at the shading ring axial centerline, the electric conductor be inserted into electric conductor mounting hole and
It is fixedly connected with fixed block.
The electric conductor coaxially offers opening towards right inner hole, and the bottom of inner hole offers bolt penetration hole, the fixation
Threaded hole is offered on block, the electric conductor is fixedly connected by the bolt being installed in bolt penetration hole with fixed block.
It further include the insulator fixing seat for insulator and inner cone casing to be connected, the insulator fixing seat includes solid
Reservation ontology, the fixing seat ontology include for connecting with the inner cone bushing connection of inner cone casing connection and with insulator
Insulator interconnecting piece.
The insulator interconnecting piece includes having the cross section of side wall and bottom wall for U-shaped groove body, and the groove body, which has, to be opened
Insulator mounting groove for insulator inserting of the mouth towards the right side.
The inner cone bushing connection includes that turning edge on groove body side wall is arranged in, it is described turn edge on offer connecting hole.
The left end of the insulator has for the connection head with insulator mounting groove inserting cooperation, the fixation
Seat ontology be connected at the notch of insulator mounting groove for the connection head block cooperation with prevent connector portion from
The pressing plate to fall off in insulator mounting groove.
The outer surface on the inner surface of the insulator mounting groove and the connection head, which coincide, to be cooperated, the insulator installation
The gas vent inside and outside connection insulator mounting groove is offered on the side wall and/or bottom wall of slot.
Spring touching for being conductively connected with inner cone casing is provided on the electric conductor.
Advantageous effects of the invention are as follows: electric conductor of the invention is inserted into the electric conductor mounting hole of insulator, and
And inserts is set in the left side of electric conductor mounting hole inside insulator, inserts and electric conductor are conductively connected, when using of the invention
When carrying out shelf depreciation test, the inner conical surface of insulator and inner cone casing cooperates, and electric conductor and inner cone casing are conductively connected, inside
High-voltage electricity is accessed in one end of the separate inserts of taper bushing, and high-voltage electricity is introduced at inserts, formed inside insulator by electric conductor
Electric field, the pressure resistance adapter is when with inner cone casing connection, since one end is provided with the inserts being conductively connected with electric conductor,
An inner cone casing need to be only connected when test can carry out shelf depreciation test, without the mode of two inner cone casings docking
It is tested, while being capable of detecting when true electric field conditions.
Inserts includes the shading ring that can shield pressure-resistant adapter outer magnetic field and electric field influence, so that adapter inner is electric
Field not will receive the interference of extraneous factor, while shading ring is capable of the electric field of balanced internal high pressure electricity generation,
As further improvement of the invention, inserts of the invention further includes the fixation that shading ring center position is arranged in
Block, fixed block are fixedly connected with electric conductor, so that insulator is fixed together with electric conductor, and then guarantee electric conductor and insulator
Relative stability, when insulator and inner cone casing are connected, electric conductor and inner cone casing are also relatively fixed, avoid and test
The unstable situation for causing electric field unstable of all parts in journey.
Further analysis, which further includes insulator fixing seat, and insulator is fixed on by insulator fixing seat
On inner cone casing, insulator fixing seat has pacifies for the insulator for turning edge and inserting for insulator with inner cone casing connection
Tankage, insulator are inserted into insulator mounting groove, on the one hand insulator fixing seat is capable of fixing insulator, on the other hand can
External interference factor is further shielded, guarantees that internal electric field is balanced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pressure-resistant adapter in background technique；
Fig. 2 is the attachment structure schematic diagram of two inner cone casings when carrying out shelf depreciation test in background technique；
Fig. 3 is the inner cone casing shelf depreciation test structural schematic diagram of pressure-resistant adapter in the embodiment of the present invention 1；
When Fig. 4 is that the test of inner cone casing shelf depreciation is with pressure-resistant adapter and inner cone casing connection in the embodiment of the present invention 1
Structural schematic diagram.
Specific embodiment
A specific embodiment of the invention is described in detail with reference to the accompanying drawing.
The embodiment 1 of the pressure-resistant adapter of inner cone casing shelf depreciation test of the present invention, as shown in Figure 3, Figure 4, the pressure resistance
Adapter includes electric conductor 1, insulator 2, inserts 3, pressing plate 4 and insulator fixing seat 5, and insulator 2 is by silastic material one
Body, which is poured, to be formed and length extends in left-right direction, and pressing plate 4 and insulator fixing seat 5 are each made of a metal, and inserts 3 is cast in absolutely
Inside edge body 2, electric conductor 1 is inserted into insulator 2, and electric conductor 1 and inserts 3 are conductively connected, insulator and insulator fixing seat
It is fixedly connected, insulator fixing seat 5 includes fixing seat ontology, and fixing seat ontology includes for the inner conical drogue with inner cone casing connection
Pipe jointing part and the insulator interconnecting piece connecting with insulator, insulator interconnecting piece include the cross section with side wall and bottom wall
For U-shaped groove body, groove body has opening towards the right insulator mounting groove 52 for insulator inserting, and inner cone bushing connection includes
It is arranged on groove body side wall and turns edge 51, turning edge 51 offers connecting hole for installing bolt, by connecting hole when use
In install installation bolt 10 insulator fixing seat is fixed on inner cone casing 7.
Insulator 2 has connection head 21, and connection head 21 is inserted into the insulator mounting groove 52 of fixing seat ontology, and
The inner wall of the outer surface and insulator mounting groove 52 that connect head 21, which coincide, to be cooperated.Due to connection 21 outer surface of head and insulator
The inner wall of mounting groove 52, which coincide, to be cooperated, when connection head 21 is inserted into insulator mounting groove, in insulator mounting groove 52
Air can prevent connection head 21 from entering in insulator mounting groove 52 by compression, therefore, in insulator mounting groove in the present embodiment
Bottom wall on offer connection insulator mounting groove inside and outside gas vent 53, guarantee connection head can smoothly enter into insulator
In mounting groove 52.
Insulator 2 further includes cylindrical section and conical section, and cylindrical section has shoulder block 22, pressure with the crossover position for connecting head 21
Plate 4 is set on insulator 2 and is fixed by screws at the notch position of insulator mounting groove, pressing plate 4 and 22 block of shoulder block
Insulator 2 is fixed in insulator fixing seat 5 by cooperation.When insulator 2 is inserted into inner cone casing, the outer cone of conical section
The inner conical surface of face and inner cone casing is closely fitted, and guarantees the leakproofness of insulator and inner cone casing.
Insulator 2 is equipped with axis extends in left-right direction and opening towards right electric conductor mounting hole 23, and electric conductor 1 is from the right side
It is inserted into electric conductor mounting hole 23 to the left.Inserts 3 is located at the left side of electric conductor 1, and the inserts 3 includes central axis and conduction
The shading ring 31 and fixed block 32 positioned at 31 center of shading ring of body mounting hole coaxial arrangement, in the present embodiment, 31 He of shading ring
Fixed block 32 is connected to form a whole by dowel between the two, and then makes the opposite position of shading ring 31 and fixed block 32
Fixation is set, to guarantee the intensity of inserts 3；In other embodiments, shading ring and fixed block can be arranged independently of one another, exhausted in processing
When edge body, first the relative position between shading ring 31 and fixed block 32 is fixed, then integrally casting is formed using silastic material
Then the position of inserts 3 is fixed and integrally casting forms insulator 2 using silastic material by inserts 3.The shading ring 31
It being made of metal material with fixed block 32, fixed block 32 has the internal screw thread stud that the central axis along shading ring 31 extends,
The right end of electric conductor 1 coaxially offers inner hole 11, and the bottom of inner hole 11 offers bolt penetration hole, the company being installed in bolt penetration hole
Connecting bolt 8 and internal screw thread stud cooperate, and electric conductor are fixed in the electric conductor mounting hole of insulator 2, while electric conductor 1 passes through
It connects bolt 8 and inserts 3 is conductively connected.In the present embodiment, the cross sectional shape of inserts 3 is the U-shaped structure with opening, U-shaped knot
The opening of structure is greater than the diameter of electric conductor towards electric conductor 1 and the width of opening；The outer wall of shading ring 31 is offered to be prolonged around circumferential
The U-type groove stretched, the U-type groove are annular groove.
When the present invention is with inner cone casing connection, electric conductor 1 and insulator 2 are inserted into the internal taper hole of inner cone casing 7, insulation
Mounting flange 9 is folded between body fixing seat 5 and inner cone casing 7, insulator fixing seat 5 passes through installation bolt 10 and inner cone casing
7 are fixedly connected, and the ground connection setting of mounting flange 9, insulator 2 is grounded by insulator fixing seat 5 and mounting flange 9.Insulator is solid
After reservation 5 and inner cone casing 7 are fixed, the tapered portion of insulator 2 and the inner conical surface of inner cone casing are closely fitted, insulator 2
The left end extrusion fit of right end and conduct piece 71, while the conduct piece 71 of electric conductor 1 and inner cone casing is conductively connected, the present embodiment
In, electric conductor 1 is provided with spring touching 6 far from one end of inserts 3, and electric conductor 1 is conductive even by spring touching 6 with conduct piece 71
It connects.When carrying out shelf depreciation test, high input voltage connector 20 is connected in the conduct piece 71 of interior taper bushing, high input voltage connector 20 will
High-voltage electricity is introduced into electric conductor 1, and since one end of the separate high input voltage connector of electric conductor has inserts 3, inserts 3 can not only
External disturbance is shielded, the electric field of high pressure electric forming in balanced pressure resistance adapter, and can make in the insulator of pressure-resistant adapter
Portion reflects true electric field conditions, can read shelf depreciation numerical value by measurement of partial discharge instrument.
In the present embodiment, insulator 2 is fixedly connected with insulator fixing seat to be removable, different inner cone casing inner conical surface rulers
Very little difference, when use, can replace the insulator of different size male cone (strobilus masculinus)s according to the size of inner cone casing inner conical surface, when insulator more
When changing, the insulator fixing seat to match and pressing plate can be replaced according to the outer diameter of insulator.
In other embodiments, it can be not provided with pressing plate, the connection head of insulator and the insulator of insulator fixing seat are pacified
Tankage interference fit；Insulator fixing seat can also be flange plate structure, insulator be installed in insulator fixing seat and with
Flange plate structure is fixedly connected, and the flange portion of flange plate structure is fixedly connected with inner cone casing by connecting bolt；In inserts
It can be not provided with shading ring；Gas vent may be provided on groove body side wall or be respectively provided with gas vent on side wall and bottom wall.
Claims (7)
1. the pressure-resistant adapter of inner cone casing shelf depreciation test, including for the insulator with the cooperation of the inner conical surface of inner cone casing
With the electric conductor for introducing high-voltage electricity with the conductive connection of inner cone casing, it is characterised in that: insulator is equipped with axis along left and right
Direction extends and is open towards right electric conductor mounting hole, and electric conductor is inserted into from right to left in electric conductor mounting hole, in insulator
The inserts being conductively connected with electric conductor is equipped in the left side of electric conductor mounting hole, the right end of electric conductor is used for conductive with inner cone casing
Connection is to introduce high-voltage electricity from the right end of electric conductor；The inserts include it is that central axis extends in left-right direction, for equilibrium
The shading ring of electric field, the shading ring and electric conductor are coaxially disposed, and fixed block is equipped at the shading ring axial centerline；?
When processing insulator, first the relative position between shading ring and fixed block is fixed, then integrally casting forms institute using silicon rubber
Inserts is stated, then the position of inserts is fixed and integrally casting forms the insulator using silicon rubber；The electric conductor is inserted
It is fixedly connected in electric conductor mounting hole and with fixed block；The inner cone casing shelf depreciation test uses pressure-resistant adapter also
Including the insulator fixing seat for insulator and inner cone casing to be connected, the insulator fixing seat includes fixing seat ontology,
The fixing seat ontology include for the inner cone bushing connection of inner cone casing connection and the insulator being connect with insulator
Interconnecting piece.
2. the pressure-resistant adapter of inner cone casing shelf depreciation test according to claim 1, it is characterised in that: the conduction
Body coaxially offers opening towards right inner hole, and the bottom of inner hole offers bolt penetration hole, offers threaded hole on the fixed block,
The electric conductor is fixedly connected by the bolt being installed in bolt penetration hole with fixed block.
3. the pressure-resistant adapter of inner cone casing shelf depreciation test according to claim 1, it is characterised in that: the insulation
Body interconnecting piece includes having the cross section of side wall and bottom wall for U-shaped groove body, and the groove body has opening towards right for insulator
The insulator mounting groove of inserting.
4. the pressure-resistant adapter of inner cone casing shelf depreciation test according to claim 3, it is characterised in that: the inner cone
Bushing connection includes that turning edge on groove body side wall is arranged in, it is described turn edge on offer connecting hole.
5. the pressure-resistant adapter of inner cone casing shelf depreciation test according to claim 3, it is characterised in that: the insulation
The left end of body has for the connection head with insulator mounting groove inserting cooperation, and the fixing seat ontology is pacified in insulator
It is connected at the notch of tankage for cooperating with the connection head block to prevent connector portion from taking off from insulator mounting groove
The pressing plate fallen.
6. the pressure-resistant adapter of inner cone casing shelf depreciation test according to claim 5, it is characterised in that: the insulation
The outer surface on the inner surface of body mounting groove and the connection head, which coincide, to be cooperated, the side wall of the insulator mounting groove and/or bottom
The gas vent inside and outside connection insulator mounting groove is offered on wall.
7. the test of inner cone casing shelf depreciation described in -6 any one is existed with pressure-resistant adapter, feature according to claim 1
In: spring touching for being conductively connected with inner cone casing is provided on the electric conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656716.1A CN105277858B (en) | 2015-10-12 | 2015-10-12 | A kind of pressure-resistant adapter of inner cone casing shelf depreciation test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656716.1A CN105277858B (en) | 2015-10-12 | 2015-10-12 | A kind of pressure-resistant adapter of inner cone casing shelf depreciation test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105277858A CN105277858A (en) | 2016-01-27 |
| CN105277858B true CN105277858B (en) | 2019-01-01 |
Family
ID=55147214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510656716.1A Active CN105277858B (en) | 2015-10-12 | 2015-10-12 | A kind of pressure-resistant adapter of inner cone casing shelf depreciation test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105277858B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105866643B (en) * | 2016-05-11 | 2018-05-01 | 广西银河迪康电气有限公司 | A kind of medium-tension bushing resistance test frock |
| CN106443088B (en) * | 2016-11-16 | 2023-10-03 | 国家电网公司 | Electric shock preventing connector for discharge test of small-capacity storage battery pack |
| CN108287297A (en) * | 2018-01-04 | 2018-07-17 | 河南平高电气股份有限公司 | Voltage-resisting test apparatus and its reducing connection component, reducing cylinder, reducing conducting rod |
| CN108469579B (en) * | 2018-05-04 | 2024-04-30 | 扬州森源电力科技有限公司 | High-voltage testing terminal for external conical sleeve of switch cabinet |
| CN109490734B (en) * | 2018-12-20 | 2020-10-23 | 上海平高天灵开关有限公司 | High-speed performance testing device for high-voltage insulating part |
| CN112345901B (en) * | 2020-09-30 | 2022-11-25 | 江苏省如高高压电器有限公司 | Partial discharge test method for insulating part for high-voltage switch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1917316A (en) * | 2006-08-08 | 2007-02-21 | 上海天灵开关厂有限公司 | Overpressure resistant adapter for switchgear insulated by gases |
| CN202473441U (en) * | 2012-02-21 | 2012-10-03 | 上海天灵开关厂有限公司 | Conducting rod assembly for voltage withstand and partial discharge of gas-insulated switch cabinet |
| CN203519770U (en) * | 2013-09-23 | 2014-04-02 | 广东吉熙安电缆附件有限公司 | Device for high-voltage power cable GIS terminal commissioning test |
| CN203616429U (en) * | 2013-11-11 | 2014-05-28 | 广东吉熙安电缆附件有限公司 | Voltage test apparatus |
| CN203617673U (en) * | 2013-12-16 | 2014-05-28 | 广东吉熙安电缆附件有限公司 | Voltage test connector for switching device |
| CN203983630U (en) * | 2014-07-31 | 2014-12-03 | 西安神电高压电器有限公司 | A kind of jockey |
-
2015
- 2015-10-12 CN CN201510656716.1A patent/CN105277858B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1917316A (en) * | 2006-08-08 | 2007-02-21 | 上海天灵开关厂有限公司 | Overpressure resistant adapter for switchgear insulated by gases |
| CN202473441U (en) * | 2012-02-21 | 2012-10-03 | 上海天灵开关厂有限公司 | Conducting rod assembly for voltage withstand and partial discharge of gas-insulated switch cabinet |
| CN203519770U (en) * | 2013-09-23 | 2014-04-02 | 广东吉熙安电缆附件有限公司 | Device for high-voltage power cable GIS terminal commissioning test |
| CN203616429U (en) * | 2013-11-11 | 2014-05-28 | 广东吉熙安电缆附件有限公司 | Voltage test apparatus |
| CN203617673U (en) * | 2013-12-16 | 2014-05-28 | 广东吉熙安电缆附件有限公司 | Voltage test connector for switching device |
| CN203983630U (en) * | 2014-07-31 | 2014-12-03 | 西安神电高压电器有限公司 | A kind of jockey |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105277858A (en) | 2016-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105277858B (en) | A kind of pressure-resistant adapter of inner cone casing shelf depreciation test | |
| CN101615497B (en) | Integral connecting structure of transformer and current sensor | |
| CN112034236B (en) | Online monitoring device and method for transient voltage of cable elbow terminal | |
| US11367545B2 (en) | Pluggable high-voltage bushing and electrical device having the pluggable high-voltage bushing | |
| CN109313219A (en) | High pressure introduces seal | |
| CN110927533B (en) | Test device for measuring surface discharge characteristics of high-voltage direct-current sleeve core material | |
| CN104865507B (en) | A kind of GIS insulating part high-voltage testing devices | |
| CN218213367U (en) | Device for shielding interference of dirt on outer surface of porcelain sleeve on leakage current of lightning arrester | |
| CN203365519U (en) | Sampling device for high-voltage bushing electrified detection test | |
| CN103143870B (en) | A kind of outer support welding tooling of shielding cylinder connection and using method thereof | |
| CN201903555U (en) | Auxiliary device for testing of transformer bushing tap | |
| CN106054044B (en) | Insulation test device for gas-filled cabinet | |
| CN108710005B (en) | Dielectric loss partial discharge sensor structure and capacitive high-voltage electrical equipment detection mechanism | |
| CN210222185U (en) | High signal-to-noise ratio GIS partial discharge test equipment | |
| CN107449982B (en) | Device and method for monitoring head end current of high-voltage winding of power frequency test transformer | |
| CN106300174A (en) | Relay protection type wall bushing | |
| CN102800476B (en) | High-voltage standard capacitor | |
| CN219874325U (en) | High-voltage bushing end screen grounding connection device | |
| CN205982524U (en) | Aerify insulation test device for cabinet | |
| CN220367403U (en) | Single-end electrical property detection device used after terminal crimping | |
| CN203184897U (en) | Interior supporting welding device for connecting mouth of shielding case | |
| CN104332258A (en) | Improved high voltage wall bushing | |
| CN205583504U (en) | A solid insulation closing means for cubical switchboard | |
| CN215575220U (en) | Inner cone sealing sleeve for switch cabinet | |
| CN208955551U (en) | A kind of Lengthened cable casing and its insulating supporting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |