CN208908262U - A kind of wire clamp for capacitor connection - Google Patents
A kind of wire clamp for capacitor connection Download PDFInfo
- Publication number
- CN208908262U CN208908262U CN201821658265.0U CN201821658265U CN208908262U CN 208908262 U CN208908262 U CN 208908262U CN 201821658265 U CN201821658265 U CN 201821658265U CN 208908262 U CN208908262 U CN 208908262U
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- wire
- wire clamp
- clamp
- spacing piece
- capacitor connection
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Abstract
The utility model discloses a kind of wire clamps for capacitor connection, are related to a kind of electric connection structure.In the process of running, because Harvard wire clamp crimping dynamics unevenness and monolithic capacitor and wire clamp contact surface are too small at confluence busbar, easily there is the problems such as monomer capacitor joint failure, D.C. resistance is exceeded in high voltage substation.The utility model includes integral type wire clip body, and the threading groove that the upper and lower ends of the wire clip body offer left and right perforation forms " H " shape wire clamp, and the connecting hole that front and back penetrates through is opened up in the middle part of wire clamp.The technical program resistance is small, reduce wire clamp temperature rise, avoid because traditional Kazakhstan not wire clamp due to vibration, mechanical fatigue due to there is deformation, friction, crackle, can effectively avoid that D.C. resistance is exceeded, conductor joint heating is so that generation the case where monomer capacitor joint failure, improves the safety of operation power.
Description
Technical field
The utility model relates to a kind of electric connection structure more particularly to a kind of wire clamps for capacitor connection.
Background technique
35kV capacitor group is widely used in 500 kv substations as reactive power compensator, is used for lifting system voltage
Controlled level is run, ensures substation's reactive voltage combustion adjustment ability, to improve power grid withered phase, the operation control of peak period voltage
System is horizontal.In recent years, the 500 kv substation inner capacitor group heating accident of major network in some places takes place frequently, and seriously affects electricity
Net stable operation, the capacitor group of fever is using outdoor distributing mounting means, in design, installation process, using breathing out not line
Traditional reactive power compensator connection component of clamping structure, in the process of running, because of situations such as there is vibration, mechanical fatigue,
And because converge busbar at Harvard wire clamp crimping dynamics unevenness and monolithic capacitor and wire clamp contact surface it is too small due to cause to run
Heating accident is frequent in journey, will lead to the problem that monomer capacitor joint failure, D.C. resistance are exceeded in the reactive-load compensation equipment of part
Occur, seriously threatens power system stability operation.
Utility model content
The technical problems to be solved in the utility model and the technical assignment of proposition be prior art is carried out improve with
It improves, a kind of wire clamp for capacitor connection is provided, D.C. resistance is exceeded, conductor joint heating is so that monomer capacitor to avoid occurring
For the purpose of joint failure.For this purpose, the utility model takes following technical scheme.
A kind of wire clamp for capacitor connection, including integral type wire clip body, the upper and lower ends of the wire clip body
The threading groove for offering left and right perforation forms " H " shape wire clamp, and the connecting hole that front and back penetrates through is opened up in the middle part of wire clamp.Integral type " H "
Shape cable clamp structure can be realized reliable and stable clamping, convenient for and conducting wire realize that automatic crimping, integral type wire clamp and conducting wire connect
Contacting surface product much larger than conventional wire clamp contact area, to reduce wire clamp temperature rise, be also avoided that because traditional Kazakhstan not wire clamp by
In vibration, mechanical fatigue and there is deformation, friction, crackle, can effectively avoid that D.C. resistance is exceeded, conductor joint heating is so that monomer is electric
The case where holding joint failure occurs, and improves the safety of operation power.
As optimization technique means: the threading groove includes holding wire casing, positioned at the inlet wire slot held on the outside of wire casing, described
Inlet wire slot is mutually passed to appearance wire casing holds conducting wire in wire casing by the indentation of inlet wire slot.Easily conducting wire can be pressed into and hold wire casing
In.
As optimization technique means: wire clamp further includes metal spacing piece, the metal spacing piece block hold wire casing into
Mouthful, metal spacing piece and appearance wire casing form wheel carrier.It avoids conducting wire from exiting appearance wire casing, realizes that the closing of conducting wire is fixed.
As optimization technique means: the width of the inlet wire slot, which is less than, holds wire casing, and formation can offset with metal spacing piece
Limiting section.It realizes that the positioning of limit metal spacing piece is fixed, prevents limit film from removing to inlet wire slot direction and hold wire casing.
As optimization technique means: the length of the metal spacing piece is longer than wire clip body, one end of metal spacing piece
Or both ends externally protrude out in the end of wire clip body.It can preferably guarantee the direction of conducting wire.
As optimization technique means: the metal spacing piece is the metal spacing piece of arc.It is compressed in metal spacing piece
When conducting wire, conducting wire can be enhanced to the endurance of the lateral pressure of metal spacing piece, effective lift structure intensity.
As optimization technique means: the length of the wire clip body is L, wherein 20mm≤L≤40mm.
As optimization technique means: the height of the wire clip body is H, wherein 40mm≤H≤60mm.
As optimization technique means: the appearance wire casing is square groove, depth h1, wherein 8mm≤h1≤
12mm；The depth of inlet wire slot is h2, wherein 2mm≤h2≤3mm.
The utility model has the advantages that
1, the contact area of integral type wire clamp and conducting wire is much larger than the contact area of conventional wire clamp, and the wire clamp of integral type,
Reduce the contact surface bring resistance of two components, to reduce wire clamp temperature rise, be also avoided that because traditional Kazakhstan not wire clamp by
In vibration, mechanical fatigue and there is deformation, friction, crackle, can effectively avoid that D.C. resistance is exceeded, conductor joint heating is so that monomer is electric
The case where holding joint failure occurs, and improves the safety of operation power.
2, integral type wire clamp, when replacing product, is not necessarily to wire clamp and conducting wire due to that can carry out automatic crimping with conducting wire
It individually splits, thus cost of labor when reducing replacement of products.
3, by setting inlet wire slot, conducting wire is pressed into which can be convenient to be held in wire casing.
4, by setting metal spacing piece, blocking appearance wire casing fixes conducting wire it is possible to prevente effectively from conducting wire exits appearance wire casing
In appearance wire casing.
5, the width of inlet wire slot, which is less than, holds wire casing, can effectively block metal spacing piece and then effectively realize to conducting wire
Fixation.
6, curved metal limit film can enhance conducting wire to the side of metal spacing piece when metal spacing piece compresses conducting wire
To the endurance of pressure, effective lift structure intensity.
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
Fig. 2 is the utility model and wire connection diagram.
In figure: 1- wire clip body；2- metal spacing piece；3- conducting wire；101- holds wire casing；102- inlet wire slot；103- connecting hole.
Specific embodiment
The technical solution of the utility model is described in further detail below in conjunction with Figure of description.
As shown in Figs. 1-2, a kind of wire clamp for capacitor connection, including integral type wire clip body 1, wire clip body 1
The threading groove that upper and lower ends offer left and right perforation forms " H " shape wire clamp, and the connecting hole that front and back penetrates through is opened up in the middle part of wire clamp
103。
Hold in wire casing 101 for the ease of conducting wire 3 is pressed into, threading groove includes holding wire casing 101, being located at and hold 101 outside of wire casing
Inlet wire slot 102, inlet wire slot 102 with hold 101 phase of wire casing pass to by conducting wire 3 by inlet wire slot 102 indentation hold wire casing 101 in.Energy
Enough easily conducting wire 3 is pressed into is held in wire casing 101.
Hold wire casing 101 in order to avoid conducting wire 3 exits, wire clamp further includes metal spacing piece 2, and metal spacing piece 2, which blocks, holds line
The import of slot 101, metal spacing piece 2 and appearance wire casing 101 form wheel carrier.It avoids conducting wire 3 from exiting and holds wire casing 101, realize conducting wire 3
Closing fix.
In order to laterally secure metal spacing piece 2, the width of inlet wire slot 102, which is less than, holds wire casing 101, forms energy and metal spacing
The limiting section that piece 2 offsets.It realizes that the positioning of limit metal spacing piece 2 is fixed, prevents limit film from removing to 102 direction of inlet wire slot and hold
Wire casing 101.
In order to guarantee the directionality of conducting wire 3, the length of metal spacing piece 2 is longer than wire clip body 1, and the two of metal spacing piece 2
End externally protrudes out in the end of wire clip body 1.It can preferably guarantee the direction of conducting wire 3.
For effective lift structure intensity, metal spacing piece 2 is the metal spacing piece 2 of arc.It is compressed in metal spacing piece 2
When conducting wire 3, conducting wire 3 can be enhanced to the endurance of the lateral pressure of metal spacing piece 2, effective lift structure intensity.
A kind of connection procedure of the wire clamp for capacitor connection, comprising the following steps:
1 removes the partial insulative layer of conducting wire 3, exposes conductor；
The semicircular metal spacing piece 2 that the side cladding of 2 conductors matches with conductor；
3 pairs of metal spacing pieces 2 press, and by conductor, metal spacing piece 2 through inlet wire slot 102, indentation is held in wire casing 101；
4 repeat steps 1 and 2,3, directly according to the spacing distances of two power capacitors, 3 insulating layer of conducting wire of next section of removing
It is completed to the electrical connection of wire clip body 1 corresponding with power capacitor quantity of conducting wire 3；
5 screws pass through connecting hole 103 and wire clip body 1 are fixed on the connecting portion of capacitor.Method is simple, operation side
Just.
Integral type " H " shape cable clamp structure, can be realized reliable and stable clamping, be convenient for realizing automatic crimping with conducting wire 3, one
The contact area that the contact area of body formula wire clamp and conducting wire 3 is much larger than conventional wire clamp is also avoided that reduce wire clamp temperature rise
Because traditional Kazakhstan not wire clamp due to vibration, mechanical fatigue due to occur deformation, friction, crackle, can effectively avoid D.C. resistance it is exceeded,
Conductor joint heating improves the safety of operation power so that the case where monomer capacitor joint failure occurs.
In this example, the length of wire clip body 1 is 30mm；The height of wire clip body 1 is 49mm；
Appearance wire casing 101 is square groove, depth 11；The depth of inlet wire slot 102 is 2mm.
Shown in figure 1 above -2 it is a kind of for capacitor connection wire clamp be specific embodiment of the utility model,
The utility model in essence feature and progress are embodied, it can be right under the enlightenment of the utility model according to actual using needs
Its equivalent modifications for carrying out shape, structure etc., the column in the protection scope of this programme.
Claims (9)
1. a kind of wire clamp for capacitor connection, it is characterised in that: including integral type wire clip body (1), the wire clamp sheet
The threading groove that the upper and lower ends of body (1) offer left and right perforation forms " H " shape wire clamp, opens up what front and back penetrated through in the middle part of wire clamp
Connecting hole (103).
2. a kind of wire clamp for capacitor connection according to claim 1, it is characterised in that: the threading groove includes
Hold wire casing (101), be located at the inlet wire slot (102) held on the outside of wire casing (101), the inlet wire slot (102) and appearance wire casing (101) phase
It passes to and holds conducting wire (3) in wire casing (101) by inlet wire slot (102) indentation.
3. a kind of wire clamp for capacitor connection according to claim 2, it is characterised in that: wire clamp further includes metal limit
Bit slice (2), the metal spacing piece (2) block the import for holding wire casing (101), metal spacing piece (2) and appearance wire casing (101) shape
At wheel carrier.
4. a kind of wire clamp for capacitor connection according to claim 3, it is characterised in that: the inlet wire slot
(102) width, which is less than, holds wire casing (101), the limiting section that formation can offset with metal spacing piece (2).
5. a kind of wire clamp for capacitor connection according to claim 4, it is characterised in that: the metal spacing piece
(2) length is longer than wire clip body (1), and the one or both ends of metal spacing piece (2) externally protrude out in the end of wire clip body (1).
6. a kind of wire clamp for capacitor connection according to claim 5, it is characterised in that: the metal spacing piece
It (2) is the metal spacing piece (2) of arc.
7. a kind of wire clamp for capacitor connection according to claim 6, it is characterised in that: the wire clip body
(1) length is L, wherein 20mm≤L≤40mm.
8. a kind of wire clamp for capacitor connection according to claim 7, it is characterised in that: the wire clip body
(1) height is H, wherein 40mm≤H≤60mm.
9. a kind of wire clamp for capacitor connection according to claim 8, it is characterised in that: the appearance wire casing
It (101) is square groove, depth h1, wherein 8mm≤h1≤12mm；The depth of inlet wire slot (102) is h2, wherein 2mm
≤h2≤3mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821658265.0U CN208908262U (en) | 2018-10-12 | 2018-10-12 | A kind of wire clamp for capacitor connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821658265.0U CN208908262U (en) | 2018-10-12 | 2018-10-12 | A kind of wire clamp for capacitor connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208908262U true CN208908262U (en) | 2019-05-28 |
Family
ID=66614238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821658265.0U Active CN208908262U (en) | 2018-10-12 | 2018-10-12 | A kind of wire clamp for capacitor connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208908262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378604A (en) * | 2018-10-12 | 2019-02-22 | 国网浙江省电力有限公司检修分公司 | A kind of wire clamp and its application method for capacitor connection |
-
2018
- 2018-10-12 CN CN201821658265.0U patent/CN208908262U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378604A (en) * | 2018-10-12 | 2019-02-22 | 国网浙江省电力有限公司检修分公司 | A kind of wire clamp and its application method for capacitor connection |
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