CN108445265A - A kind of termination of the electrical pressure test of insulating tool - Google Patents
A kind of termination of the electrical pressure test of insulating tool Download PDFInfo
- Publication number
- CN108445265A CN108445265A CN201810574957.5A CN201810574957A CN108445265A CN 108445265 A CN108445265 A CN 108445265A CN 201810574957 A CN201810574957 A CN 201810574957A CN 108445265 A CN108445265 A CN 108445265A
- Authority
- CN
- China
- Prior art keywords
- insulating tool
- pressure test
- termination
- electrical pressure
- insulating
- 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.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
Abstract
The invention discloses a kind of terminations of the electrical pressure test of insulating tool, it is related to pressure test technical field, it is time-consuming and laborious in insulating bar bulge test for the prior art, and the problem of being easy to loosen when being wound using aluminum steel, it is fixedly connected with flexible connector one end using one end of electrode wires, the flexible connector other end is fixedly connected with clamp device；Clamp device is made of conductive material, is removably mounted on tested insulating tool, in order to fixed tested insulating tool and for conducting electric current；The scheme of the attachment device convenient for being connect with Hi-pot test frame or ground terminal is provided on clamp device, the program is simple in structure, of low cost, easy to operate, it can effectively prevent electrode wires to loosen and can be rapidly secured on tested insulating tool, there is extensive promotion prospect.
Description
Technical field
The present invention relates to pressure test technical field, more particularly to the wiring of a kind of electrical pressure test of insulating tool fills
It sets.
Background technology
According to《State Grid Corporation of China's electric power safety working regulation》Regulation, the safe work of the insulating bars class such as insulating bar, insulating cord
Tool need to carry out a pressure test every year, to verify its insulation performance.This is because insulating bar prolonged application is in scene electrification behaviour
Make, as aging inevitably occurs for the increase of access times, damages or makes moist, insulation performance can also decline to a great extent.
If the bad insulating bar of such insulation performance is applied to live hot line job, easily cause damages to user.Due to old
The insulating bar changed, damage or made moist is when bearing high voltage, it may occur that therefore resistance to phenomena such as insulating bar breakdown, flashover or overheat
Pressure experiment is to verify the effective ways of insulating bar insulation performance.
When testing insulating rod-like tools, quantity is more, and type is numerous, different voltages grade insulating tool pressure test
Length is different, and line footpath is in different size, as 500kV is 4.1 meters, 220kV is 1.8 meters, 110kV is 1.3 meters, proving ground one
Secondary experiment can at most make tens insulating bars, and experiment is needed one end of insulating bar being fixed on a metal framework, tested
Standard（The hollow insulation tube of GB 13398-2008 livewire work, foam-filled insulation tube and solid insulated rod）Regulation experiment length
3 ~ 4 circles being wound on insulation tube with the aluminum steel of diameter 3mm-4mm at degree and being tested electrode, connecting wire is solid with adhesive tape with aluminium wire
Fixed, this method is time-consuming and laborious in insulating bar bulge test, and is easy to loosen when being wound using aluminum steel.
Invention content
To solve the above problems, the present invention provides a kind of termination of the electrical pressure test of insulating tool, use
Following technical solution is realized：
A kind of termination of the electrical pressure test of insulating tool, including electrode wires, one end of the electrode wires and elastic connection
Part one end is fixedly connected, and the flexible connector other end is fixedly connected with clamp device；
The clamp device is made of conductive material, is removably mounted on tested insulating tool, in order to fixed institute
State tested insulating tool and for conducting electric current；
The attachment device convenient for being connect with Hi-pot test frame or ground terminal is provided on the clamp device.
Preferably, the other end of the electrode wires is equipped with hook.
Preferably, the flexible connector is spring, which is made of stainless steel.
Preferably, the clamp device is anchor ear, and the hole for wearing the attachment device is offered on the anchor ear.
Preferably, the attachment device includes connecting wire and/or serpentine hook of the one end with wire clamp.
Preferably, the serpentine hook is made of stainless steel.
Preferably, the anchor ear includes screw rod, nut, long semicircle and short semicircle, and spiral shell is equipped in long semicircle and short semicircle
Bar, and be fixed on the tested insulating tool by nut.
Preferably, hole is offered on the long semicircle, the attachment device is provided in hole.
Preferably, the tested insulating tool includes insulating bar or insulating cord.
Preferably, the electrode wires are multiply annealed copper wire or copper braid over braid.
Beneficial effects of the present invention include：It is simple in structure, it is of low cost, it is easy to operate, it can effectively prevent electrode wires loosening
And can be rapidly secured on tested insulating tool, there is extensive promotion prospect.
Description of the drawings
Fig. 1 is embodiment application schematic diagram provided by the invention；
Fig. 2 is the structural schematic diagram of anchor ear in embodiment provided by the invention；
Fig. 3 is the structural schematic diagram for the device being connect with Hi-pot test frame in embodiment provided by the invention；
Fig. 4 is the structural schematic diagram for the device being connect with ground terminal in embodiment provided by the invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the figure in the embodiment of the present invention
1-4, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiment of the present invention being usually described and illustrated herein in the accompanying drawings
Detailed description is not intended to limit the range of claimed invention, but is merely representative of the selected embodiment of the present invention.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
As shown in Figs 1-4, the termination of the electrical pressure test of a kind of insulating tool, including electrode wires, the one of electrode wires
End is fixedly connected with flexible connector one end, and the flexible connector other end is fixedly connected with clamp device.Clamp device is used and is led
Electric material is made, and is removably mounted on tested insulating tool, in order to fixed tested insulating tool and for passing
Electrical conduction current；The attachment device convenient for being connect with Hi-pot test frame or ground terminal is provided on clamp device.
Wherein, the other end of electrode wires is equipped with hook；Flexible connector is spring, which is made of stainless steel；
Clamp device is anchor ear, and the hole for wearing attachment device is offered on anchor ear；Attachment device includes the company that one end carries wire clamp
Connect conducting wire and/or serpentine hook；Serpentine hook is made of stainless steel or copper product；Anchor ear includes screw rod, nut, long semicircle
With short semicircle, screw rod is equipped in long semicircle and short semicircle, and be fixed on tested insulating tool by nut；On long semicircle
Hole is offered, attachment device is provided in hole；Tested insulating tool includes insulating bar or insulating cord；Electrode wires are multiply soft copper
Line or copper braid over braid.
Specifically, as shown in Figure 1, device includes anchor ear 1, spring 2, electrode wires 3, the S types of stainless steel of buckle are hung
Hook 4, the grounding connection conducting wire 5 with wire clamp and high-pressure connection line 13.Anchor ear 1 can be divided into two parts, be 11 He of long semicircle respectively
Short semicircle 12, the two are all made of band steel bending and the shape that center carries arc structure are made, as shown in Figure 2.Pass through screw rod 8, spiral shell
The hole opened up on the long semicircle 11 of 9 cooperation of mother and short semicircle 12 is fixed on insulating bar 6（Referring to Fig. 1）.Pass through anchor ear length half
2 one end of spring and anchor ear 1 are fastenedly connected by hole, screw rod 8, nut 9 on circle, and the other end of spring and the electrode wires 3 of buckle connect
It connects（Such as Fig. 1, Fig. 3, Fig. 4）.It by the ground connecting wire 5 with wire clamp and is embraced by long semicircle orifice, screw rod 8, the nut 9 in anchor ear 1
Hoop 1 is fastenedly connected（Insulating bar pressure test low-pressure end is used）, or holes that S types hook 4 is hung on the long semicircle of anchor ear（Insulating bar is resistance to
High-pressure side is used when pressure experiment）, the high pressure connecting wire 13 with wire clamp is fastenedly connected with anchor ear 1.S types are linked up with 4 other ends and are mounted on
On the Hi-pot test frame or high voltage conducting wire 7 of transformer output, remaining high pressure connecting wire 3 is collectively formed as insulating bar and height
Press the conductor of test lead.The Hi-pot test frame or high voltage that the wire clamp of high pressure connecting wire 13 with wire clamp is exported with transformer are led
Line 7 connects.The wire clamp of ground connecting wire 5 with wire clamp is connect with laboratory ground terminal nearby.
As shown in Figure 1, by taking insulating bar as an example, in use, according to regulation prescribed requirement, after determining distance L, in insulating bar 6
One end fixes long semicircle 11 and short semicircle 12 using screw rod 8, nut 9, and 2-3 circles are then wound on insulating bar with electrode wires 3
And hooked onto spring or anchor ear using one end that electrode wires band hooks, to ensure that insulating bar surface can be held by electrode wires 3
By voltage, since electrode wires one end is equipped with spring, meeting extension spring after electrode wires are wound on insulating bar, so that electrode wires
Always there is certain convergent force to insulating bar, ensure that insulating bar and electrode wires will not fall off.Set high-pressure side anchor ear and
After electrode wires, low-pressure end anchor ear and electrode wires are fixed in insulating bar bottom using same method, then in high-pressure side anchor ear
On wear S-hook 4, low-pressure end anchor ear fix the ground connecting wire 5 with wire clamp.Finally by the ground connecting wire 5 with wire clamp
It is fixedly connected with earth point, Hi-pot test frame or high voltage conducting wire that S-hook 4 and transformer export is connect the pressure-resistant survey of progress
Hi-pot test frame or high voltage conducting wire 7 that the wire clamp of high pressure connecting wire 13 with wire clamp and transformer export are connect by examination..
When after insulating tool batch insulation pressure test, the metal hook of the electrode wires 3 of buckle is pulled open from spring,
Bare wire is removed, and the nut 9 of 1 side of anchor ear is unclamped, and takes out screw rod 8, you can divide the anchor ear 1 of rapid wiring device with insulating bar 6
It opens, unclamps the wire clamp of the high pressure connecting wire 13 with wire clamp, you can by the Hi-pot test frame or high electricity of anchor ear 1 and transformer output
Conducting wire 7 is pressed to disconnect.It, can be by the anchor ear 1 of rapid wiring device using the hole of 1 side of anchor ear, nut 9, screw rod 8 when continuing experiment
It is clamped with insulating bar 6.
The configuration of the present invention is simple, it is of low cost, it is easy to operate, it can effectively prevent electrode wires and loosen and can be rapidly secured at
On tested insulating tool, it is remarkably improved working efficiency, there is extensive promotion prospect.
Claims (10)
1. a kind of termination of the electrical pressure test of insulating tool, including electrode wires, it is characterised in that：
One end of the electrode wires is fixedly connected with flexible connector one end, and the flexible connector other end is fixed with clamp device to be connected
It connects；
The clamp device is made of conductive material, is removably mounted on tested insulating tool, in order to fixed institute
State tested insulating tool and for conducting electric current；
The attachment device convenient for being connect with Hi-pot test frame or ground terminal is provided on the clamp device.
2. a kind of termination of the electrical pressure test of insulating tool according to claim 1, it is characterised in that：
The other end of the electrode wires is equipped with hook.
3. a kind of termination of the electrical pressure test of insulating tool according to claim 1, it is characterised in that：
The flexible connector is spring, which is made of stainless steel.
4. a kind of termination of the electrical pressure test of insulating tool according to claim 1, it is characterised in that：
The clamp device is anchor ear, and the hole for wearing the attachment device is offered on the anchor ear.
5. a kind of termination of the electrical pressure test of insulating tool according to claim 1 or 4, it is characterised in that：
The attachment device includes connecting wire and/or serpentine hook of the one end with wire clamp.
6. a kind of termination of the electrical pressure test of insulating tool according to claim 5, it is characterised in that：
The serpentine hook is made of stainless steel or copper product.
7. a kind of termination of the electrical pressure test of insulating tool according to claim 4, it is characterised in that：
The anchor ear includes screw rod, nut, long semicircle and short semicircle, is equipped with screw rod in long semicircle and short semicircle, and pass through spiral shell
Mother is fixed on the tested insulating tool.
8. a kind of termination of the electrical pressure test of insulating tool according to claim 7, it is characterised in that：
Hole is offered on the long semicircle, and the attachment device is provided in hole.
9. a kind of termination of the electrical pressure test of insulating tool according to claim 1, it is characterised in that：
The tested insulating tool includes insulating bar or insulating cord.
10. a kind of termination of the electrical pressure test of insulating tool according to claim 1, it is characterised in that：
The electrode wires are multiply annealed copper wire or copper braid over braid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810574957.5A CN108445265A (en) | 2018-06-06 | 2018-06-06 | A kind of termination of the electrical pressure test of insulating tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810574957.5A CN108445265A (en) | 2018-06-06 | 2018-06-06 | A kind of termination of the electrical pressure test of insulating tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108445265A true CN108445265A (en) | 2018-08-24 |
Family
ID=63206055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810574957.5A Pending CN108445265A (en) | 2018-06-06 | 2018-06-06 | A kind of termination of the electrical pressure test of insulating tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108445265A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342898A (en) * | 2018-11-12 | 2019-02-15 | 广西电网有限责任公司电力科学研究院 | A kind of electrical pressure test wiring system of insulating tool |
| CN109541267A (en) * | 2018-12-05 | 2019-03-29 | 金华送变电工程有限公司 | A kind of Withstand test device of insulating cord and insulating bar |
| CN114256647A (en) * | 2021-11-12 | 2022-03-29 | 国网浙江省电力有限公司温州市洞头区供电公司 | Wiring device for alternating current withstand voltage test of indoor circuit breaker |
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| CN208297561U (en) * | 2018-06-06 | 2018-12-28 | 广西电网有限责任公司电力科学研究院 | A kind of rapid wiring device of the electrical pressure test of insulating tool |
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| CN201569723U (en) * | 2009-12-28 | 2010-09-01 | 天津市宝坻供电有限公司 | Device for measuring voltage-withstanding strength of insulated rod |
| CN203705592U (en) * | 2013-11-30 | 2014-07-09 | 国家电网公司 | Floor type safety tool withstand voltage test special-purpose device |
| CN104035014A (en) * | 2014-06-12 | 2014-09-10 | 国家电网公司 | Method for alternating-current voltage withstand testing of 220 kV and 330 kV insulated tools and instruments |
| CN203950014U (en) * | 2014-07-03 | 2014-11-19 | 厦门中唐电气有限公司 | A kind of test platform of UHV (ultra-high voltage) insulating safety tools |
| CN104297605A (en) * | 2014-10-30 | 2015-01-21 | 云南省送变电工程公司 | Ultrahigh-voltage live-working insulation safety instrument test system and method |
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| CN208297561U (en) * | 2018-06-06 | 2018-12-28 | 广西电网有限责任公司电力科学研究院 | A kind of rapid wiring device of the electrical pressure test of insulating tool |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342898A (en) * | 2018-11-12 | 2019-02-15 | 广西电网有限责任公司电力科学研究院 | A kind of electrical pressure test wiring system of insulating tool |
| CN109541267A (en) * | 2018-12-05 | 2019-03-29 | 金华送变电工程有限公司 | A kind of Withstand test device of insulating cord and insulating bar |
| CN114256647A (en) * | 2021-11-12 | 2022-03-29 | 国网浙江省电力有限公司温州市洞头区供电公司 | Wiring device for alternating current withstand voltage test of indoor circuit breaker |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180824 |
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| RJ01 | Rejection of invention patent application after publication |