CN107703335A - Voltage signal for testing current in resistance property of lightning arrester accesses folder and its application method - Google Patents
Voltage signal for testing current in resistance property of lightning arrester accesses folder and its application method Download PDFInfo
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- CN107703335A CN107703335A CN201710880724.3A CN201710880724A CN107703335A CN 107703335 A CN107703335 A CN 107703335A CN 201710880724 A CN201710880724 A CN 201710880724A CN 107703335 A CN107703335 A CN 107703335A
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- folder
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- philip
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- 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
- G01R1/0425—Test clips, e.g. for IC's
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- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention relates to a kind of voltage signal take-away belt (conveyor) and its application method for testing current in resistance property of lightning arrester, the folder that accesses is in crocodile clip-like, including main folders and sub-folders, the main folders and sub-folders are mutually rotatablely connected；The head of the main folder stretches out provided with a Philip's head screw cutter head, and the tail end of the Philip's head screw cutter head, which abuts, a helical spring, and the helical spring activity is embedded in the main folder；The sub-folder tip inside is provided with some crocodile teeth along its length；The afterbody of the main folders and sub-folders is arranged with an insulation sleeve respectively；The afterbody of the main folder also inwardly offers a connecting hole for being used to connect power test line, and the connecting hole can conduct with Philip's head screw cutter head.The beneficial effects of the present invention are：Can be secured firmly to it is to be measured its current-carrying part can also fully contacted with the lower conductive segment to be measured being spaced apart while be spaced apart lower end, so as to reliably obtain voltage.
Description
Technical field
The present invention relates to the voltage signal take-away belt (conveyor) for testing current in resistance property of lightning arrester.
Background technology
Testing current in resistance property of lightning arrester, it is test event that transformer station fortune inspection personnel are periodically carried out to arrester, it is necessary to make
The test is completed with lightning arrester block property current tester.A voltage is needed during instrument test as reference signal,
It is to be spaced apart lower end from the measurement in voltage transformer terminal box to access voltage signal under normal circumstances.
When the test wiring for accessing voltage access measurement is spaced apart, measurement must not be disconnected it is spaced apart or removes and be spaced apart lower end
Wiring, otherwise can cause measuring loop dead electricity.Therefore, voltage signal is accessed at present typically use the test with crocodile clip lead
Line, crocodile clip is directly sandwiched in measurement and is spaced apart lower conductive segment.It can not be spaced apart yet with crocodile clip reasons in structure with measurement
Current-carrying part fully contact, crocodile clip often produces the situation of loose contact with the current-carrying part that is spaced apart of measurement, causes to keep away
Occur that voltage can not be obtained during thunder device testing current in resistance property instrument use, the situation for causing test to interrupt.
The content of the invention
The purpose of the present invention is to be directed to above weak point, there is provided a kind of voltage for testing current in resistance property of lightning arrester
Signal take-away belt (conveyor), realize reliable voltage signal acquisition.
Scheme is used by the present invention solves technical problem：A kind of voltage signal for testing current in resistance property of lightning arrester
Access folder, the folder that accesses is in crocodile clip-like, including main folders and sub-folders, the main folders and sub-folders are mutually rotatablely connected；The master
The head of folder stretches out provided with a Philip's head screw cutter head, and the tail end of the Philip's head screw cutter head, which abuts, a helical spring, institute
Helical spring activity is stated to be embedded in the main folder；The sub-folder tip inside is provided with some crocodile teeth along its length；It is described
The afterbody of main folders and sub-folders is arranged with an insulation sleeve respectively；The afterbody of the main folder also inwardly offers one and is used to connect electric power survey
The connecting hole of line is tried, the connecting hole can conduct with Philip's head screw cutter head.
Further, the main folders and sub-folders are mutually rotatablely connected through a rotating shaft, and a torsion bullet is arranged with the rotating shaft
Spring, the both ends of the torsionspring connect main folders and sub-folders respectively.
Further, the connecting hole connects one end of the power test line, and the other end of the p-wire that is electrically connected connects
Connect a voltage collecting device.
Further, the Philip's head screw cutter head stretch to it is to be measured be spaced apart at the conducting bolt of lower end, with the conductive spiral shell
Bolt touches.
The present invention also provides the application method that a kind of voltage signal for testing current in resistance property of lightning arrester accesses folder, work
Held as personnel at the insulation sleeve of main folders and sub-folders, control the folding of main folders and sub-folders；When accessing voltage signal, electric power is surveyed
One end of examination line is inserted into connecting hole, is contacted with connecting hole, and the voltage of other end connection lightning arrester block property current tester is adopted
Acquisition means；Then by the Philip's head screw cutter head stretch to it is to be measured be spaced apart at the conducting bolt of lower end, connect with the conducting bolt
Touch, now Philip's head screw cutter head is inwardly shunk, and helical spring is compacted, and the crocodile tooth of sub-folder end was bitten under to be measured be spaced apart
End so that access folder and be fixed on the lower end to be measured being spaced apart；After helical spring is compacted, opposition acts on Phillips screwdriver
On head, Philip's head screw cutter head compresses conducting bolt so that Philip's head screw cutter head fully contacts with conducting bolt；The electricity to be measured being spaced apart
Pressure is conducted to connecting hole from lower conductive bolt by Philip's head screw cutter head, is inputted to voltage acquisition and filled by power test line
Put, complete the collection of voltage signal.
Compared with prior art, the present invention has following beneficial effect：It is provided by the invention to access folder, for gathering sky to be measured
The voltage signal opened, ensure the reliability during accessing, can be secured firmly to also can while measurement is spaced apart lower end
Its current-carrying part is set fully to be contacted with the lower conductive segment to be measured being spaced apart, so as to reliably obtain voltage.
Brief description of the drawings
Patent of the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation provided in an embodiment of the present invention for accessing folder.
Fig. 2 is the schematic diagram provided in an embodiment of the present invention for accessing folder and using process.
In figure：1- main folders；2- sub-folders；3- Philip's head screw cutter heads；4- helical springs；5- crocodile teeth；6- insulation sleeves；7- connections
Hole；8- power test lines；9- is to be measured to be spaced apart；90- conducting bolts；10- rotating shafts.
Embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Fig. 1~2, a kind of voltage signal for testing current in resistance property of lightning arrester of the present embodiment accesses folder, institute
It is in crocodile clip-like to state and access folder, including main folder 1 and sub-folder 2, the main folder 1 and sub-folder 2 are mutually rotatablely connected；The main folder 1
Head stretches out provided with a cross screw bolt cutter head 3, and the tail end of the cross screw bolt cutter head 3, which abuts, a helical spring 4, described
The activity of helical spring 4 is embedded in the main folder 1；The tip inside of sub-folder 2 is provided with some crocodile teeth 5 along its length；Institute
The afterbody for stating main folder 1 and sub-folder 2 is arranged with an insulation sleeve 6 respectively；The afterbody of the main folder 1 also inwardly offers one and is used to connect
The connecting hole 6 of power test line 8, the connecting hole 6 can conduct with cross screw bolt cutter head 3.
From the foregoing, the beneficial effects of the present invention are：Pass through the cross screw bolt cutter head 3 at main folder 1 and helical spring 4
Coordinate and realize the compression conducting bolt 90 to be measured for being spaced apart 9 lower ends, fully contacted with conducting bolt 90, so as to reliably obtain voltage
Amount.Cross screw bolt cutter head 3 conducts with the phase of connecting hole 7, realizes and transmits voltage signal to voltage acquisition dress through power test line 8
In putting.The fixed seat for being used to fix power test line 8 contacted with connecting hole 7 is provided with the connecting hole 7.
In the present embodiment, the main folder 1 and sub-folder 2 are mutually rotatablely connected through a rotating shaft 10, are arranged in the rotating shaft 10
There is a torsionspring, the both ends of the torsionspring connect main folder 1 and sub-folder 2 respectively.Main folder 1 and pair are ensured by torsionspring
Folder 2 is resetted after opening, and main folder 1 and sub-folder 2 mutually clamp, and are fixed on to be measured be spaced apart on 9.
In the present embodiment, the connecting hole 7 connects one end of the power test line 8, the p-wire that is electrically connected it is another
One end connects a voltage collecting device.
In the present embodiment, the cross screw bolt cutter head 3 is stretched at the conducting bolt 90 to be measured for being spaced apart 9 lower ends, with institute
Conducting bolt 90 is stated to contact.
The present invention also provides the application method that a kind of voltage signal for testing current in resistance property of lightning arrester accesses folder, work
Held as personnel at the insulation sleeve 6 of main folder 1 and sub-folder 2, control the folding of main folder 1 and sub-folder 2；, will when accessing voltage signal
One end of power test line 8 is inserted into connecting hole 7, is contacted with connecting hole 7, other end connection lightning arrester block property current tester
Voltage collecting device；Then the cross screw bolt cutter head 3 is stretched at the conducting bolt 90 to be measured for being spaced apart 9 lower ends, with institute
State conducting bolt 90 to contact, now cross screw bolt cutter head 3 is compacted to contract, helical spring 4, the crocodile tooth 5 of the end of sub-folder 2
Bite it is to be measured be spaced apart 9 lower end so that access folder be fixed on it is to be measured be spaced apart 9 lower end；After helical spring 4 is compacted, reversely make
Firmly act on cross screw bolt cutter head 3, cross screw bolt cutter head 3 compresses conducting bolt 90 so that cross screw bolt cutter head 3 and conduction
Bolt 90 fully contacts；9 voltage to be measured of being spaced apart is conducted to connecting hole 7 from lower conductive bolt 90 by cross screw bolt cutter head 3,
Inputted by power test line 8 to voltage collecting device, complete the collection of voltage signal.
In summary, a kind of voltage signal for testing current in resistance property of lightning arrester provided by the invention accesses folder and its made
It is simple in construction with method, it is easy to operate, reliable acquisition voltage signal can be achieved.
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered
Understand, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (5)
1. a kind of voltage signal for testing current in resistance property of lightning arrester accesses folder, it is characterised in that：The folder that accesses is in crocodile
Clip-like, including main folders and sub-folders, the main folders and sub-folders are mutually rotatablely connected；The head of the main folder stretches out provided with 10
Word driver bit, the tail end of the Philip's head screw cutter head, which abuts, a helical spring, and the helical spring activity is embedded at described
In main folder；The sub-folder tip inside is provided with some crocodile teeth along its length；The afterbody of the main folders and sub-folders is arranged respectively
There is an insulation sleeve；The afterbody of the main folder also inwardly offers a connecting hole for being used to connect power test line, the connecting hole
It can be conducted with Philip's head screw cutter head.
2. the voltage signal according to claim 1 for testing current in resistance property of lightning arrester accesses folder, it is characterised in that：Institute
State main folders and sub-folders to be mutually rotatablely connected through a rotating shaft, be arranged with a torsionspring in the rotating shaft, the two of the torsionspring
End connects main folders and sub-folders respectively.
3. the voltage signal according to claim 1 for testing current in resistance property of lightning arrester accesses folder, it is characterised in that：Institute
One end that connecting hole connects the power test line is stated, the other end of the p-wire that is electrically connected connects a voltage collecting device.
4. the voltage signal according to claim 1 for testing current in resistance property of lightning arrester accesses folder, it is characterised in that：Institute
State Philip's head screw cutter head stretch to it is to be measured be spaced apart at the conducting bolt of lower end, contacted with the conducting bolt.
5. a kind of voltage signal for testing current in resistance property of lightning arrester according to claim any one of 1-4 accesses folder
Application method, it is characterised in that：
Staff is held at the insulation sleeve of main folders and sub-folders, controls the folding of main folders and sub-folders；, will when accessing voltage signal
One end of power test line is inserted into connecting hole, is contacted with connecting hole, other end connection lightning arrester block property current tester
Voltage collecting device；Then by the Philip's head screw cutter head stretch to it is to be measured be spaced apart at the conducting bolt of lower end, with the conduction
Threaded bolt contacts, now Philip's head screw cutter head inwardly shrink, helical spring is compacted, and the crocodile tooth of sub-folder end bites to be measured be spaced apart
Lower end so that access folder be fixed on the lower end to be measured being spaced apart；After helical spring is compacted, opposition acts on cross spiral shell
On silk cutter head, Philip's head screw cutter head compresses conducting bolt so that Philip's head screw cutter head fully contacts with conducting bolt；It is to be measured to be spaced apart
Voltage connecting hole is conducted to by Philip's head screw cutter head from lower conductive bolt, inputted by power test line to voltage acquisition
Device, complete the collection of voltage signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710880724.3A CN107703335B (en) | 2017-09-26 | 2017-09-26 | Voltage signal access clamp for lightning arrester resistive current test and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710880724.3A CN107703335B (en) | 2017-09-26 | 2017-09-26 | Voltage signal access clamp for lightning arrester resistive current test and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107703335A true CN107703335A (en) | 2018-02-16 |
| CN107703335B CN107703335B (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710880724.3A Active CN107703335B (en) | 2017-09-26 | 2017-09-26 | Voltage signal access clamp for lightning arrester resistive current test and use method thereof |
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| CN (1) | CN107703335B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112305269A (en) * | 2020-10-15 | 2021-02-02 | 国网福建省电力有限公司 | Lightning arrester live-line test secondary sampling crocodile clip |
| CN112397291A (en) * | 2019-08-16 | 2021-02-23 | 国网江苏省电力有限公司南京供电分公司 | Transformer low-voltage bushing drainage wire clamp |
| CN112415234A (en) * | 2020-11-12 | 2021-02-26 | 贵州电网有限责任公司 | GIS test clamp |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397291A (en) * | 2019-08-16 | 2021-02-23 | 国网江苏省电力有限公司南京供电分公司 | Transformer low-voltage bushing drainage wire clamp |
| CN112305269A (en) * | 2020-10-15 | 2021-02-02 | 国网福建省电力有限公司 | Lightning arrester live-line test secondary sampling crocodile clip |
| CN112305269B (en) * | 2020-10-15 | 2022-10-28 | 国网福建省电力有限公司 | Lightning arrester live-line test secondary sampling crocodile clip |
| CN112415234A (en) * | 2020-11-12 | 2021-02-26 | 贵州电网有限责任公司 | GIS test clamp |
| CN112415234B (en) * | 2020-11-12 | 2023-04-11 | 贵州电网有限责任公司 | GIS test clamp |
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|---|---|
| CN107703335B (en) | 2020-07-10 |
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