CN207352116U - insulating tool pressure test platform - Google Patents
insulating tool pressure test platform Download PDFInfo
- Publication number
- CN207352116U CN207352116U CN201721355994.4U CN201721355994U CN207352116U CN 207352116 U CN207352116 U CN 207352116U CN 201721355994 U CN201721355994 U CN 201721355994U CN 207352116 U CN207352116 U CN 207352116U
- Authority
- CN
- China
- Prior art keywords
- bearing platform
- platform
- test
- pressure test
- holding firmware
- 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 89
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 239000011159 matrix material Substances 0.000 claims description 8
- -1 Polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000009413 insulation Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000013095 identification testing Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses a kind of insulating tool pressure test platform, the supporting frame that supports and can walk is formed including bearing platform and to it, the high voltage connections that bearing platform one end is provided with for connecting high voltage power supply form high-pressure side, one end is provided with forms ground terminal for the ground connections of ground connection, at least correspond to ground terminal on bearing platform and high-pressure side be respectively arranged with one be used for fix install by test specimen and realize the holding firmware of electrical connection, at least one card slot is correspondingly arranged on each holding firmware；Test platform, which further includes, is connected to bearing platform ground terminal and the leakage current monitoring unit for being monitored to test item current signal；It can realize the pressure test to different model insulating bar and electroscope, and can quickly realize that test item is electrically connected, gather test item current signal in real time further to differentiate that test item is qualified or not, the intelligent mode of propulsion trial platform；And can realize folding and expansion function, it can transport, collect.
Description
Technical field
Technical field of power systems is the utility model is related to, more particularly to a kind of insulating tool pressure test platform.
Background technology
Insulating bar and high voltage electroscope are two kinds of most common basic insulation Work tools in electric system, insulation operation
Bar is direct operation charging equipment or contact and the Work tool that may contact electrical body, electroscope be then used to detecting high-tension line,
Whether high-tension apparatus is powered.To examine its electric strength that insulate good, the personal safety of operating personnel is ensured, must be periodically right every year
It carries out pressure test to detect its insulating properties, can identify performance state by industrial frequency withstand voltage experiment, find insulation defect in time.
Do not have special insulating tool pressure test platform in the prior art, it is more using by the way that Work tool is directly put
The simple insulating supporting platform put in setting is tested, though it can realize the pressure test of insulating bar and electroscope,
There is problems during experiment, it is mainly manifested in：First, platform is without any fixation, the subject of cylindrical rod shape
Product are easy to produce rolling, and there are security risk；2nd, to be realized and be electrically connected by root canoe using annealed copper wire, wiring is complicated,
Different voltages grade test item need to manually change wiring position according to norm standard to be carried out Adjustment Tests length and is tested, and operation is numerous
It is trivial, it is necessary to which more people's power cooperation could be completed to test；3rd, fixed platform is not easily shifted, takes up a large area.
Therefore optimize apparatus structure there is an urgent need for a kind of insulating tool pressure test platform at present, simplify pressure test operation side
Formula, lifting test platform security and accuracy, improve insulating bar and electroscope pressure test work efficiency, so as to reduce
Testing crew labor intensity.
Utility model content
In view of this, the utility model provides a kind of insulating tool pressure test platform, can realize to different model
The pressure test of insulating bar and electroscope, and can quickly realize that test item is electrically connected, test item current signal is gathered in real time to be come
Further differentiate that test item is qualified or not, the intelligent mode of propulsion trial platform；And can realize folding and expansion function, it can transport
Defeated, collection.
The insulating tool pressure test platform of the utility model, including bearing platform and it is formed support and can walk
Supporting frame, the high voltage connections that bearing platform one end is provided with for connecting high voltage power supply form high-pressure side, and one end is provided with use
Ground terminal is formed in the ground connections of ground connection, ground terminal is at least corresponded on bearing platform and high-pressure side is respectively arranged with one and is used for
Installation is fixed by test specimen and realizes the holding firmware of electrical connection, at least one card slot is correspondingly arranged on each holding firmware；
Test platform, which further includes, is connected to bearing platform ground terminal and the leakage for being monitored to test item current signal
Current monitoring unit.
Further, bearing platform is segmentation structure, it includes being fixed on the main bearing platform set at the top of supporting frame and divides
Arrange the first side bearing platform and the second side bearing platform that main bearing platform both sides are set, the first side bearing platform and the second side bearing platform difference
Connection, main bearing platform, the first side bearing platform and the second side bearing platform are formed with main bearing platform by the telescopic part that is telescopically connected
Correspondence position card slot is set, holding firmware corresponds to main bearing platform, each setting one of the first side bearing platform and the second side bearing platform.
Further, high voltage connections are arranged on the first side bearing platform, and ground connections are arranged on the second side bearing platform,
First side bearing platform forms high-pressure side, and the second side bearing platform forms ground terminal.
Further, supporting frame is scissor-type folding structure.
Further, supporting frame is the scissor-type folding structure made of teflon insulation bar.
Further, main bearing platform is integrally made of polytetrafluoroethylene material；First side bearing platform and the second side bearing platform are equal
Including side load-bearing matrix and the metab on side load-bearing matrix, the first side load-bearing made of polytetrafluoroethylene material
The metab of platform is electrically connected with high voltage connections, and metab and the ground connections of the second side bearing platform are electrically connected.
Further, holding firmware is made of stainless steel conductive material and is fixedly connected with corresponding metab.
Further, electrically conducting between each card slot for the holding firmware that corresponding high-pressure side is set, the fixing that corresponding ground terminal is set
Setting is dielectrically separated between each card slot of part.
Further, leakage current monitoring unit includes current sensor, display and indicator light, and display and indicator light are equal
It is electrically connected with current sensor, the card slot that leakage current monitoring unit corresponds to the holding firmware of the second side bearing platform respectively sets one
Group, and be fixed between the metab of holding firmware bottom and the second side bearing platform.
The beneficial effects of the utility model：The insulating tool pressure test platform of the utility model, when being tested,
It can realize the pressure test to different model insulating bar and electroscope, subject can quickly be realized by fixing test item using holding firmware
Product are electrically connected, and replace the winding of existing annealed copper wire to simplify mode of operation as electrical connection, improve insulating bar with testing
Electric appliance pressure test work efficiency；And ground terminal adds leakage current monitoring unit, it is not with conventional view spark tracking, listens and put
The mode of electroacoustic, but it is whether qualified by the brisk analysis automatic decision test item of test item electric current, advance intelligent mode hair
Exhibition, and will be supported by the supporting frame that can be walked, it is simple and light, it is easy to carry, it is easy to collect, special circumstances can
Test platform is sent to scene, expands the scope of application.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples.
Fig. 1 is the utility model structure diagram；
Fig. 2 is supporting frame structure diagram in the utility model；
Fig. 3 is the holding firmware structure diagram in the utility model；
Fig. 4 is leakage current monitoring unit and ground terminal attachment structure schematic diagram in the utility model.
Embodiment
Fig. 1 is the utility model structure diagram, and Fig. 2 is supporting frame structure diagram in the utility model, and Fig. 3 is this
Holding firmware structure diagram in utility model, Fig. 4 are that leakage current monitoring unit is connected knot with ground terminal in the utility model
Structure schematic diagram, as shown in the figure：The insulating tool pressure test platform of the present embodiment, including bearing platform 1 and support is formed to it
And the supporting frame 2 that can be walked, the high voltage connections 3 that 1 one end of bearing platform is provided with for connecting high voltage power supply form high-pressure side,
One end is provided with forms ground terminal for the ground connections 4 of ground connection, and ground terminal and high-pressure side difference are at least corresponded on bearing platform 1
Be provided with one be used for fix install by test specimen and realize the holding firmware 5 of electrical connection, be correspondingly arranged on each holding firmware 5 to
A few card slot 6；Wherein, high voltage connections 3 are high-pressure bolt, and ground connections 4 are earth stud, with connect high voltage power supply or
Ground, forms high-pressure side and ground terminal, in addition, the holding firmware 5 of correspondingly-sized, holding firmware can be selected according to the dimensions of test item
5 are made of conductive metal material, and test item is placed on fastening in card slot 6 plays fixation, and with high-pressure side and ground terminal
It is quick to form electrical connection
Test platform, which further includes, is connected to 1 ground terminal of bearing platform and the leakage for being monitored to test item current signal
Current monitoring unit；Collection test item current signal carries out comprehensive analysis in real time, and whether identification test item closes automatically, exactly
Lattice.
In the present embodiment, bearing platform 1 is segmentation structure, it includes being fixed on the main load-bearing that the top of supporting frame 2 is set
The the first side bearing platform 1-2 and the second side bearing platform 1-3 that platform 1-1 and point main bearing platform 1-1 both sides of row are set, the first side bearing platform
1-2 and the second side bearing platform 1-3 forms connection, main load-bearing by the telescopic part 1-4 and main bearing platform 1-1 that is telescopically connected respectively
The correspondence position of platform 1-1, the first side bearing platform 1-2 and the second side bearing platform 1-3 set card slot 6, and holding firmware corresponds to main bearing platform
1-1, the first side bearing platform 1-2 and the second side bearing platform 1-3 respectively set one；Wherein, it is telescopic rod to be telescopically connected part 1-4, is held
Connected between weight platform 1 using telescopic rod, the effect of quick regulation test length is reached by varying length of telescopic bar, to meet difference
Requirement of the voltage class test item to test length；According to《Electric-power safe instruments preventive trial code》Regulation, test item
The distance of upper high-pressure side and ground terminal is test length, and test item corresponds to test length and raises and increase with voltage class, electric power
Common 10kV, 35kV, 110kV test item test length of system is respectively 0.7m, 0.9m, 1.3m, therefore is connected between bearing platform 1
Unit use can realize the stretching structure of sizes switching, and extensible member is designed as three sections, and structure total length is during base section
0.7m, the second section structure total length of extraction are 0.9m, and the full extraction structure total length of three sections is 1.3m, in the installation of every section fixed dimension position
The card tip, for reduce error and enhancing it is flexible between stability, can be realized needed for different voltages grade test item by this stretching structure
The quick regulation of test length.
In the present embodiment, high voltage connections 3 are arranged on the first side bearing platform 1-2, and ground connections 4 are arranged at the second side
On bearing platform 1-3, the first side bearing platform 1-2 forms high-pressure side, and the second side bearing platform 1-3 forms ground terminal.
In the present embodiment, supporting frame 2 is scissor-type folding structure；Supporting frame 2 uses scissor-type foldable structure, uses
When be easily unfolded, idle, which is can be folded into, to be closed flat harden structure and is collected, and is readily transported, is stored, and is supported as whole test platform
Unit.
In the present embodiment, supporting frame 2 is the scissor-type folding structure made of teflon insulation bar 2-1；Such as
Shown in figure, supporting frame 2 selects teflon insulation bar 2-1 to form two groups of scissor structures intersected two-by-two, intersects in brace
Riveting has the articulated structure that a band rotates against respectively at place, is realized and folded and exhibition by linkage with mechanical joint principle
Open；Ground supporting bar bottom is provided with bottom plate 11, and fixable universal wheel 12, idle folding storage, work are installed on bottom plate 11
When one people can open installation, and move as needed, reaching working region can start to work universal wheel fixation, operation side
Just, the foldable collection of idle, reduces installation area.
In the present embodiment, main bearing platform 1-1 is integrally made of polytetrafluoroethylene material；First side bearing platform 1-2 and second
It (is that side load-bearing matrix 1-2-1 and side are held in figure that side bearing platform 1-3, which includes the side load-bearing matrix made of polytetrafluoroethylene material,
Weight matrix 1-3-1) and metab on side load-bearing matrix (be metab 1-2-2 and metab 1-3- in figure
2), the metab of the first side bearing platform 1-2 is electrically connected with high voltage connections 3, the metab of the second side bearing platform 1-3 with
Ground connections 4 are electrically connected；The metab of both sides bearing platform, establishes with high-pressure bolt, earth stud and is electrically connected, make
For permanent high-pressure side or ground terminal, reduce and repeat thread-changing.
In the present embodiment, holding firmware 5 is made of stainless steel conductive material and is fixedly connected with corresponding metab；Fix
Part 5 is made of stainless steel conductive material, is wound instead of annealed copper wire as electrical connection；According to《Electric-power safe instruments prevent
Property testing regulations》It is required that choosing the stainless steel that width is 50mm carries out circular groove processing, to meet different types of insulating bar and testing
Electrical apparatus test needs, according to 7 specifications and models of test item by circular 6 diameter design sizes holding firmware 5 of card slot, a holding firmware
The circular card slot 6 of 10 identical sizes is processed on 5, lower part is groove, and test item 7 is put into wherein fastening for lid and makees electrically to connect by top
Connect, certain interval is retained between fixed card slot 6, keep 7 independence of test item, it can be achieved that 7 bulge test of test item.High-pressure side respectively blocks
6 electrically conductings of groove, and separated between ground terminal card slot 6 with insulating materials, subsequently to install system for monitoring leakage current additional.In card
The Kong Yushuan that processing dimension is coincide respectively on the metab of 5 bottom of firmware and bearing platform 1, is placed using fixing piece and thereon
Test item 7, which is conducted oneself with dignity, is firmly positioned over it on 1 metab of bearing platform, can be installed required model card slot 6 according to actual conditions
Work on bearing platform base.The platform simplifies operation, reduces the working time by varying electric connecting mode.
In the present embodiment, 6 electrically conductings of each card slot for the holding firmware 5 that corresponding high-pressure side is set, corresponding ground terminal is set
Holding firmware 5 each card slot 6 between be dielectrically separated from setting.
In the present embodiment, leakage current monitoring unit includes current sensor 10, display 8 and indicator light 9, display 8
It is electrically connected with indicator light 9 with current sensor, current sensor is integrally disposed with display, and leakage current monitoring unit corresponds to
The card slot 6 of the holding firmware 5 of second side bearing platform respectively sets one group, and is fixed on 5 bottom of holding firmware and the second side bearing platform
Metab between；Leakage current monitoring unit includes current sensor, display 8 and indicator light 9, each card slot 6 of ground terminal
Between isolated with insulating materials, keep electric independence, leakage current monitoring unit be separately mounted to each ground terminal card slot 6 with
Between earth stud.Test item 7 current signal is gathered during current sensor Real-time and carries out comprehensive analysis, if any abnormal current and
Numerical value exceedes given threshold, and cut-out electric loop, indicator light 9 are opened immediately for the protection location action that current monitoring module installs additional,
Represent that the test item 7 in the circuit is unqualified.System for monitoring leakage current, automatically, identifies unqualified test item 7 exactly,
The intelligent mode of propulsion trial platform.
Compared with existing platform, insulating tool pressure test platform provided by the utility model, takes fixation, increases
The strong security performance of pressure test；Using telescopic segmentation 1 quick regulation test length of bearing platform, metal fixing clip groove 6
Wound instead of annealed copper wire as electrical connection, simplify mode of operation, improved insulating bar and imitated with electroscope pressure test work
Rate；Ground terminal adds current detecting unit, not only by conventional view spark tracking, listen discharging sound in a manner of, but pass through subject
Whether 7 current conditions of product analysis automatic decision test item 7 is qualified, advances intelligent mode development；Optimize apparatus structure, pass through folding
Test platform can be folded into planar structure by folded supporting frame 2, be easy to collect, simple and light, easy to carry, special circumstances
Test platform can be sent to scene, expand the scope of application.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, can be to this
The technical solution technical scheme is modified or replaced equivalently of utility model, without departing from the objective and model of technical solutions of the utility model
Enclose, it should all cover among the right of the utility model.
Claims (9)
- A kind of 1. insulating tool pressure test platform, it is characterised in that：Formed including bearing platform and to it and support and can walk Supporting frame, described bearing platform one end be provided with for connect high voltage power supply high voltage connections formed high-pressure side, one end is set It is equipped with and forms ground terminal for the ground connections of ground connection, the ground terminal and the high-pressure side is at least corresponded on the bearing platform Be respectively arranged with one be used for fix install and by test specimen and realize the holding firmware of electrical connection, be correspondingly arranged on each holding firmware At least one card slot；The test platform, which further includes, is connected to bearing platform ground terminal and the leakage for being monitored to test item current signal Current monitoring unit.
- 2. insulating tool pressure test platform according to claim 1, it is characterised in that：The bearing platform is segmented Structure, it includes the first side load-bearing for being fixed on the main bearing platform set at the top of supporting frame and point main bearing platform both sides of row are set Platform and the second side bearing platform, first side bearing platform and second side bearing platform are telescopically connected part by telescopic respectively Formed and connected with main bearing platform, described in the correspondence position setting of the main bearing platform, the first side bearing platform and the second side bearing platform Card slot, the holding firmware correspond to main bearing platform, the first side bearing platform and the second side bearing platform and respectively set one.
- 3. insulating tool pressure test platform according to claim 2, it is characterised in that：The high voltage connections are set In on the bearing platform of first side, the ground connections are arranged on the bearing platform of second side, first side bearing platform The high-pressure side is formed, second side bearing platform forms the ground terminal.
- 4. insulating tool pressure test platform according to claim 1, it is characterised in that：The supporting frame is scissor Formula folding structure.
- 5. insulating tool pressure test platform according to claim 4, it is characterised in that：The supporting frame is by gathering Scissor-type folding structure made of tetrafluoroethene insulating bar.
- 6. insulating tool pressure test platform according to claim 2, it is characterised in that：The main bearing platform it is overall by Polytetrafluoroethylene material is made；First side bearing platform and second side bearing platform include by polytetrafluoroethylene material system Into side load-bearing matrix and the metab on side load-bearing matrix, the metab of first side bearing platform with it is described High voltage connections are electrically connected, and metab and the ground connections of second side bearing platform are electrically connected.
- 7. insulating tool pressure test platform according to claim 6, it is characterised in that：The holding firmware is by stainless steel Conductive material is made and is fixedly connected with corresponding metab.
- 8. insulating tool pressure test platform according to claim 1, it is characterised in that：The corresponding high-pressure side is set Holding firmware each card slot between electrically conducting, be dielectrically separated from setting between each card slot for the holding firmware that the corresponding ground terminal is set.
- 9. insulating tool pressure test platform according to claim 8, it is characterised in that：The leakage current monitoring is single Member includes current sensor, display and indicator light, and the display and the indicator light are electrically connected with the current sensor Connect, the card slot that the leakage current monitoring unit corresponds to the holding firmware of the second side bearing platform respectively sets one group, and is fixed on card Between the metab of firmware bottom and the second side bearing platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721355994.4U CN207352116U (en) | 2017-10-19 | 2017-10-19 | insulating tool pressure test platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721355994.4U CN207352116U (en) | 2017-10-19 | 2017-10-19 | insulating tool pressure test platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207352116U true CN207352116U (en) | 2018-05-11 |
Family
ID=62355844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721355994.4U Active CN207352116U (en) | 2017-10-19 | 2017-10-19 | insulating tool pressure test platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207352116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116500396A (en) * | 2023-06-30 | 2023-07-28 | 新河县珠兴铜业有限公司 | Finished product insulativity detection device for insulating material production |
-
2017
- 2017-10-19 CN CN201721355994.4U patent/CN207352116U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116500396A (en) * | 2023-06-30 | 2023-07-28 | 新河县珠兴铜业有限公司 | Finished product insulativity detection device for insulating material production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207780156U (en) | A kind of low-voltage circuit trouble shoot device | |
| CN104297605B (en) | Ultrahigh-voltage live-working insulation safety instrument test system and method | |
| CN204154853U (en) | A kind of distribution intelligent trouble indicator reducing false alarm | |
| CN108572302A (en) | Positioning system and localization method are sent in high frequency examination | |
| CN104678259A (en) | Single-phase earth fault finding device | |
| CN207352116U (en) | insulating tool pressure test platform | |
| CN204925314U (en) | Distribution network checkout system that fault locating used | |
| CN209728100U (en) | DC break down voltage tests electric discharge device | |
| CN104483589B (en) | A kind of four whip graft grounding wire detection devices and its detection method | |
| CN203054010U (en) | A multipurpose apparatus for fixing a sensor used for measuring the partial discharge of a GIS | |
| CN107302268A (en) | Switchgear house periphery running environment monitoring system | |
| CN110794238A (en) | Zinc oxide arrester live-line tester and use method thereof | |
| CN109253815B (en) | Wireless temperature sensor and application thereof | |
| CN210534223U (en) | Electrified indicating device of outdoor overhead line equipotential high-voltage line | |
| CN205484682U (en) | Female heat shrinkage bush pressure resistance testing arrangement that arranges of transformer substation | |
| CN110850336A (en) | Intelligent grounding monitoring device | |
| CN203658522U (en) | Safety equipment voltage withstand test special device | |
| CN206281932U (en) | A kind of transforming plant DC ground detection device | |
| CN207473019U (en) | A kind of 110kV or 220kV substations step voltage detection insulated shoes | |
| CN109633347A (en) | A kind of insulating tool defect detection platform and detection method | |
| CN213180143U (en) | Transformer substation monitoring system based on artificial intelligence | |
| CN214252508U (en) | Electric leakage test detection device of circuit breaker | |
| CN211786026U (en) | Intelligent grounding monitoring device | |
| CN211577289U (en) | Harmonic elimination power frequency current and voltage tester | |
| CN208547655U (en) | Electric wire wire clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |