CN106953183B - Leakage current for Tracking wheel test draws equipment - Google Patents
Leakage current for Tracking wheel test draws equipment Download PDFInfo
- Publication number
- CN106953183B CN106953183B CN201710104727.8A CN201710104727A CN106953183B CN 106953183 B CN106953183 B CN 106953183B CN 201710104727 A CN201710104727 A CN 201710104727A CN 106953183 B CN106953183 B CN 106953183B
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- China
- Prior art keywords
- conductive
- contact
- spring
- leakage current
- conductive link
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/18—End pieces terminating in a probe
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2464—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the contact point
- H01R13/2478—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the contact point spherical
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- Measuring Leads Or Probes (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The present invention proposes that a kind of leakage current for Tracking wheel test draws equipment, including multichannel contact apparatus.Wherein, one end of conductive contact and conductive link is fixed and electrical communication in contact apparatus, Insulated positions fixed block has a through-hole, conductive link passes through the through-hole, and lead is anchored on the other end of conductive link by nut, with conductive link electrical communication, spring is set to conductive link periphery, one end of spring is put in inside conductive contact, withstands the inside terminals of conductive contact, and the other end of spring withstands Insulated positions fixed block.Due under the drive of spring, conductive contact and conductive link can be moved with opposing insulation position fixed block, when carrying out Tracking wheel test, can guarantee conductive contact and collector ring electrical contact, the technical issues of solution leakage current extraction equipment dependability is poor, is easy to appear poor contact situation.
Description
Technical field
The present invention relates to the test fields of composite insulator more particularly to a kind of leakage current for Tracking wheel test to draw
Equipment out.
Background technique
Composite insulator is since 20 middle of century occur, since its anti-fouling flashover performance is excellent, light-weight, mechanical strength
Many advantages, such as high, convenient for installation and maintenance, more and more applications have been obtained, usage quantity obtained rapidly at nearly 20 years
Growth.
Research for composite insulator ageing properties is the key that one of composite insulator research field.From last century 70
It from age, has just begun with tested for composite insulator runner method in the world, but in the several years behind, never had
To too big progress.In recent years, during composite insulator ageing testing method is discussed, since the comprehensive aging of 5000h is surveyed
Method for testing is excessively complicated, it is difficult to retest, therefore squirrel wheel method is proposed again again, has been written into the mark of some countries or tissue
In standard, in 62217 standard of version IEC in 2005, squirrel wheel method is included in attached as a kind of creepage trace and galvanic corrosion damage test method
In record, squirrel wheel method is written into the technical report IEC/TR 62730 of IEC within 2012 thereafter.
Squirrel wheel method equipment is not described later in detail in IEC/TR 62730, only provides the simple signal of key position
Figure, different researchers design different test equipments according to the idea of oneself.Since test insulator is revolving always
Turn, how leakage current is led into leakage current measurement system always and be and one of be most difficult to solve the problems, such as in squirrel wheel method equipment.
The method generallyd use at present is directly to contact with a fixed copper sheet with the fitting of insulator, and copper sheet end connects lead, with
The rotation of device, copper sheet successively contacted with the fitting of 4 insulators, thus successively draw 4 insulators leakage current.This
Method is simple for kind, but reliability is poor, it is easy to the case where poor contact occurs.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, the first purpose of this invention is to propose that a kind of leakage current for Tracking wheel test draws equipment,
Equipment is drawn to realize high reliablity and can be used for the leakage current of multichannel, leakage current in the prior art is solved and draws equipment
The technical issues of reliability is poor, is easy to appear poor contact situation.
Draw in order to achieve the above object, first aspect present invention embodiment proposes a kind of leakage current for Tracking wheel test
Equipment out, multichannel contact apparatus；
Wherein, the contact apparatus includes: conductive contact 1, conductive link 2, spring 3, nut 4, lead 6 and Insulated positions
Fixed block 7；
One end of the conductive contact 1 and conductive link 2 is fixed and electrical communication；
The Insulated positions fixed block 7 has a through-hole, and the conductive link 2 passes through the through-hole；
The lead 6 is anchored on the other end of the conductive link 2 by nut 4, electrically connects with the conductive link 2
It is logical；
The spring 3 is under compressive state, is set to 2 periphery of conductive link, and one end of the spring 3, which is withstood, leads
Electrical contact 1, the other end of the spring 3 withstand the Insulated positions fixed block 7.
Optionally, as a kind of possible implementation, 1 lower part of conductive contact is in the shape of a rod；
The lower part of the conductive contact 1 is provided with internal screw thread, and one end of the conductive link 2 is provided with external screw thread, described
The external screw thread of conductive link 2 is matched with the internal screw thread of the conductive contact 1.
Optionally, as a kind of possible implementation, the other end of the conductive link 2 is provided with external screw thread, with institute
The internal screw thread for stating nut 4 matches；
The contact apparatus further includes gasket 5；The lead 6 is set between at least two gaskets 5, and with institute
Gasket 5 is stated to fit closely.
Optionally, as a kind of possible implementation, in the Insulated positions fixed block 7, the through-hole lower diameter
It is matched with the diameter of the conductive link 2, the through-hole upper diameter is greater than the through-hole lower diameter, the through-hole top
There is an interface plane between lower part；
The other end of the spring 3 is set to the inside on the through-hole top, and withstands the interface plane of the through-hole.
Optionally, as a kind of possible implementation, the opposite collector ring of the Insulated positions fixed block 7 is fixed, described
The relatively described Insulated positions fixed block 7 is in the axial direction under the drive of the spring 3 for conductive contact 1 and the conductive link 2
It is scalable；One end of the spring 3 puts in the conductive contact 1, withstands the inside terminals of conductive contact 1.
Optionally, as a kind of possible implementation, the top of the conductive contact 1 is hemispherical, with the current collection
Ring electrical contact.
The leakage current for Tracking wheel test of the embodiment of the present invention draws equipment, including multichannel contact apparatus.Wherein,
One end of conductive contact 1 and conductive link 2 is fixed in contact apparatus and electrical communication, Insulated positions fixed block 7 have a through-hole,
Conductive link 2 passes through the through-hole, and lead 6 is anchored on the other end of conductive link 2 by nut 4, electrically connected with conductive link 2
Logical, spring 3 is set to 2 periphery of conductive link, and one end of spring 3 is put in inside conductive contact 1, withstands the inside of conductive contact 1
Terminal, the other end of spring 3 withstand Insulated positions fixed block 7.Due under the drive of spring, conductive contact 1 and conductive link 2
It can be moved with opposing insulation position fixed block 7, when carrying out round robin test, can guarantee that conductive contact 1 and collector ring are electrical
The technical issues of contact, solution leakage current extraction equipment dependability is poor, is easy to appear poor contact situation.
It is set forth in part in the description, partially will become apparent from the description below, or reality through the invention
It tramples and recognizes.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 shows for a kind of structure that the leakage current for Tracking wheel test draws equipment provided by the embodiment of the present invention
It is intended to；
Fig. 2 is a kind of boundary of the leakage current extraction equipment for Tracking wheel test provided by the embodiment of the present invention
Figure；And
Fig. 3 is the sectional view of Insulated positions fixed block 7.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the leakage current for Tracking wheel test for describing the embodiment of the present invention draws equipment.
Fig. 1 shows for a kind of structure that the leakage current for Tracking wheel test draws equipment provided by the embodiment of the present invention
It is intended to.Leakage current for Tracking wheel test draws equipment, including multichannel contact apparatus.
It wherein, include: conductive contact 1, conductive link 2, spring 3, nut 4, lead 6 and insulation position per contact apparatus all the way
Set fixed block 7.
As shown in Figure 1, one end of conductive contact 1 and conductive link 2 is fixed and electrical communication.Insulated positions fixed block 7 has
There is a through-hole, conductive link 2 passes through the through-hole；Lead 6 is anchored on the other end of conductive link 2 by nut 4, even with conduction
2 electrical communication of bar.Spring 3 is under compressive state, is set to 2 periphery of conductive link, and conductive contact 1 is withstood in one end of spring 3,
The other end of spring 3 withstands Insulated positions fixed block 7.
Optionally, the top of conductive contact 1 is hemispherical, thus in use, with the collector ring electrical contact.
Further, in a kind of possible embodiment, 1 lower part of conductive contact is in the shape of a rod；The lower part of the conductive contact 1 is set
It is equipped with internal screw thread, one end of the conductive link 2 is provided with external screw thread, the external screw thread of the conductive link 2 and the conductive touching
First 1 internal screw thread matches.
Further, the other end of conductive link 2 is provided with external screw thread, matches with the internal screw thread of the nut 4；The touching
Head device, further includes gasket 5；The lead 6 is set between at least two gaskets 5, and is closely pasted with the gasket 5
It closes.
Further, in Insulated positions fixed block 7, the diameter of the through-hole lower diameter and the conductive link 2 matches
It closes, the through-hole upper diameter is greater than the through-hole lower diameter, has an interface plane between the through-hole upper and lower part；
The other end of the spring 3 is set to the inside on the through-hole top, and withstands the interface plane of the through-hole.
During round robin test, Insulated positions fixed block 7 is fixed with respect to collector ring, the conductive contact 1 and described
The relatively described Insulated positions fixed block 7 under the drive of the spring 3 of conductive link 2 is scalable in the axial direction；The spring 3
One end put in the conductive contact 1, withstand the inside terminals of conductive contact 1.
As it can be seen that leakage current provided by the present embodiment draws equipment, it can be used for the Tracking wheel test of composite insulator.
It includes the telescopic contact apparatus of multichannel that leakage current, which draws equipment, and Fig. 2 is one kind provided by the embodiment of the present invention for turning
The leakage current of wheel method test draws the boundary figure of equipment, as shown in Fig. 2, including conductive contact 1 per contact apparatus all the way, conductive
Connecting rod 2, spring 3, nut 4 and gasket 5, lead 6, Insulated positions fixed block 7, wherein hemispherical, the lower part in the top of conductive contact 1
It is in the shape of a rod, and have internal screw thread, there is external screw thread in 2 one end of conductive link, matches with the internal screw thread of conductive contact, and the other end has outer spiral shell
Line, lead 6 is tightened by nut 4 and gasket 5, with 2 electrical communication of conductive link.3 sets of spring outside conductive link, one section is stretched
Into inside conductive contact 4.
Fig. 3 is the sectional view of Insulated positions fixed block 7, as shown in figure 3, Insulated positions fixed block 7 has a through-hole, conduction is even
Bar 2 can be passed through from through-hole, and through-hole is different diameter hole, and lower diameter is matched with 2 diameter of conductive link, and upper diameter is larger, can
Spring 3 is accommodated wherein.1 inside terminals of conductive contact are withstood in 3 moderate length of spring, one end, and one section is withstood Insulated positions and fixed
The interface of two different diameter holes in 7 through-hole of block is in compressive state.
Working principle of the present invention is as follows: Insulated positions fixed block 7 is fixed when use, then conductive contact 1, conductive link
2 and spring 3 form system can stretch in the axial direction.Conductive contact 1 is against on the slewings such as collector ring, Ji Kebao
The slewings electrical contact such as conductive contact 1 and collector ring is demonstrate,proved, the electric signal of needs is drawn.By adding insulation in collector ring
Part contacts each conductive region in rotary course successively with conductive contact 1, can be realized and draw different electric signals respectively
Out.More current signals can be drawn by the combination of multichannel.
Accordingly, leakage current provided by the present embodiment draws equipment, it is ensured that the rotations such as conductive contact and collector ring are set
Standby electrical contact, the electric signal of needs is drawn.By adding insulated part in collector ring, make each conduction region in rotary course
Domain is successively contacted with conductive contact, be can be realized and is drawn different electric signals respectively.It can be drawn more by the combination of multichannel
More current signals.
To sum up, in the present embodiment, the leakage current for Tracking wheel test draws equipment, including multichannel contact apparatus.Its
In, one end of conductive contact 1 and conductive link 2 is fixed in contact apparatus and electrical communication, Insulated positions fixed block 7 have one to lead to
Hole, conductive link 2 pass through the through-hole, and lead 6 is anchored on the other end of conductive link 2 by nut 4, electrical with conductive link 2
Connection, spring 3 are set to 2 periphery of conductive link, and one end of spring 3 is put in inside conductive contact 1, withstands the interior of conductive contact 1
Portion's terminal, the other end of spring 3 withstand Insulated positions fixed block 7.Since under the drive of spring, conductive contact 1 and conduction are even
Bar 2 can be moved with opposing insulation position fixed block 7, when carrying out round robin test, can guarantee conductive contact 1 and collector ring electricity
The technical issues of gas contact, solution leakage current extraction equipment dependability is poor, is easy to appear poor contact situation.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Claims (6)
1. a kind of leakage current for Tracking wheel test draws equipment, which is characterized in that including multichannel contact apparatus, for drawing
The leakage current of multiple insulators out；
Wherein, the contact apparatus include: conductive contact (1), conductive link (2), spring (3), nut (4), lead (6) and absolutely
Edge position fixed block (7)；
One end of the conductive contact (1) and conductive link (2) is fixed and electrical communication；
The Insulated positions fixed block (7) has a through-hole, and the conductive link (2) passes through the through-hole；
The lead (6) is anchored on the other end of the conductive link (2) by nut (4), electrical with the conductive link (2)
Connection；
The spring (3) is under compressive state, is set to the conductive link (2) periphery, and one end of the spring (3) is withstood
Conductive contact (1), the other end of the spring (3) withstand the Insulated positions fixed block (7).
2. the leakage current according to claim 1 for Tracking wheel test draws equipment, which is characterized in that the conduction
Contact (1) lower part is in the shape of a rod；
The lower part of the conductive contact (1) is provided with internal screw thread, and one end of the conductive link (2) is provided with external screw thread, described
The external screw thread of conductive link (2) is matched with the internal screw thread of the conductive contact (1).
3. the leakage current according to claim 1 for Tracking wheel test draws equipment, which is characterized in that the conduction
The other end of connecting rod (2) is provided with external screw thread, matches with the internal screw thread of the nut (4)；
The contact apparatus further includes gasket (5)；The lead (6) is set between at least two gaskets (5), and with
The gasket (5) fits closely.
4. the leakage current according to claim 1 for Tracking wheel test draws equipment, which is characterized in that the insulation
In position fixed block (7), the through-hole lower diameter is matched with the diameter of the conductive link (2), and the through-hole top is straight
Diameter is greater than the through-hole lower diameter, has an interface plane between the through-hole upper and lower part；
The other end of the spring (3) is set to the inside on the through-hole top, and withstands the interface plane of the through-hole.
5. the leakage current according to claim 1 for Tracking wheel test draws equipment, which is characterized in that the insulation
Position fixed block (7) is fixed with respect to collector ring, the band of the conductive contact (1) and the conductive link (2) in the spring (3)
The relatively described Insulated positions fixed block (7) is scalable in the axial direction under dynamic；One end of the spring (3) puts in the conductive touching
Head (1) is internal, withstands the inside terminals of conductive contact (1).
6. the leakage current according to claim 1-5 for Tracking wheel test draws equipment, which is characterized in that
The top of the conductive contact (1) is hemispherical, with collector ring electrical contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104727.8A CN106953183B (en) | 2017-02-24 | 2017-02-24 | Leakage current for Tracking wheel test draws equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104727.8A CN106953183B (en) | 2017-02-24 | 2017-02-24 | Leakage current for Tracking wheel test draws equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106953183A CN106953183A (en) | 2017-07-14 |
| CN106953183B true CN106953183B (en) | 2019-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710104727.8A Active CN106953183B (en) | 2017-02-24 | 2017-02-24 | Leakage current for Tracking wheel test draws equipment |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107238737A (en) * | 2017-08-09 | 2017-10-10 | 黑龙江省电力有限公司牡丹江水力发电总厂 | A kind of snap joint of magnetic-type electrical test line |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19638296C2 (en) * | 1996-09-17 | 1999-02-04 | Ind Technik Froeschl Gmbh | Use of a contacting device of a test device for electricity meters |
| CN104198847A (en) * | 2014-08-21 | 2014-12-10 | 清华大学 | General type runner flange testing device used for composite insulator |
| CN104237570A (en) * | 2014-09-05 | 2014-12-24 | 清华大学 | Leakage current leading-out device used for tracking wheel method test and tracking wheel method test equipment |
| CN104849521A (en) * | 2015-05-11 | 2015-08-19 | 清华大学 | Annular multi-path electrode for composite cross arm tracking wheel test |
| CN205133765U (en) * | 2015-11-27 | 2016-04-06 | 温州正达环保设备有限公司 | Novel electrically conductive head |
| CN205565081U (en) * | 2015-12-31 | 2016-09-07 | 苏州澳冠智能装备股份有限公司 | Conductive device |
-
2017
- 2017-02-24 CN CN201710104727.8A patent/CN106953183B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19638296C2 (en) * | 1996-09-17 | 1999-02-04 | Ind Technik Froeschl Gmbh | Use of a contacting device of a test device for electricity meters |
| CN104198847A (en) * | 2014-08-21 | 2014-12-10 | 清华大学 | General type runner flange testing device used for composite insulator |
| CN104237570A (en) * | 2014-09-05 | 2014-12-24 | 清华大学 | Leakage current leading-out device used for tracking wheel method test and tracking wheel method test equipment |
| CN104849521A (en) * | 2015-05-11 | 2015-08-19 | 清华大学 | Annular multi-path electrode for composite cross arm tracking wheel test |
| CN205133765U (en) * | 2015-11-27 | 2016-04-06 | 温州正达环保设备有限公司 | Novel electrically conductive head |
| CN205565081U (en) * | 2015-12-31 | 2016-09-07 | 苏州澳冠智能装备股份有限公司 | Conductive device |
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| Publication number | Publication date |
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| CN106953183A (en) | 2017-07-14 |
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