CN203941812U - Capacitor terminal assembly - Google Patents
Capacitor terminal assembly Download PDFInfo
- Publication number
- CN203941812U CN203941812U CN201420356338.6U CN201420356338U CN203941812U CN 203941812 U CN203941812 U CN 203941812U CN 201420356338 U CN201420356338 U CN 201420356338U CN 203941812 U CN203941812 U CN 203941812U
- Authority
- CN
- China
- Prior art keywords
- terminal block
- protective cover
- capacitor
- terminal assembly
- capacitor terminal
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a kind of capacitor terminal assembly, comprises, capacitor terminal assembly, comprises, coupling terminal block and protective cover; The shape of the opening part of protective cover and the base of coupling terminal block is corresponding, is set in the outside of coupling terminal block; A side at protective cover is offered wiring opening, and while making shielding cover be loaded on coupling terminal block outside, external lead wire is drawn from wiring opening part.Thereby solve the problem of existing capacitor terminal wiring place poor reliability.Binding post is isolated from the outside, has played the sealing function of waterproof and dustproof, thereby, make junction be difficult for suffering erosion, improve the reliability of wiring and reduced rate of failure.
Description
Technical field
The utility model relates to capacitor installation, debugging and operation technique field, relates in particular to capacitor terminal assembly.
Background technology
Discrete device and capacitor, in the time using, need to access connection by electric wire by modes such as welding conventionally.It is welded to connect the problems, particularly welding process such as ubiquity complex operation, quality of connection be low and adopts soldering to complete more, and therefore, its welding quality is lower.Especially in the maintenance process in later stage, solder joint and be vulnerable to external corrosion, snaps or comes off thereby produce.For the problems referred to above, the mode that uses capacitor terminal to carry out electrical equipment connection has been proposed in prior art, realize lead-in wire by attachment screw fixing.But the method because expose contact, therefore, easily causes the electric leakage of circuit too high in long-term use, decreasing insulating, and particularly, under high-pressure high-temperature environment, the electric leakage of its part and decreasing insulating, will directly have influence on the fail safe of overall grid.Thereby, existing capacitor connected mode, reliability is low and maintenance cost is high, is unfavorable for the long-term stability operation of system, and particularly, under lowered in field environment, the global reliability of capacitor is low, and capacitor rate of failure is high.
Utility model content
The purpose of this utility model is, a kind of capacitor terminal assembly is provided, and solved the problem of existing capacitor terminal wiring place poor reliability.
In order to achieve the above object, the utility model provides capacitor terminal assembly, comprises, coupling terminal block, also comprises, protective cover; The shape of the opening part of described protective cover and the base of described coupling terminal block is corresponding, is set in the outside of described coupling terminal block; A side at described protective cover is offered wiring opening, and while making described shielding cover be loaded on described coupling terminal block outside, external lead wire is drawn from described wiring opening part.
One preferred embodiment in, the terminal connections screw of described coupling terminal block is interior hexagonal, interior triangle or inner pentagon screw.
A kind of preferred embodiment described in the wiring reed surface of coupling terminal block comprise convex ring.
A kind of preferred embodiment described in the ailhead bottom of terminal connections screw comprise convex ring.
Preferred embodiment, also comprise binding post in one; Screw hole one side of described binding post is offered chamfering or annular groove, and the convex ring on this chamfering or annular groove and described wiring reed surface is corresponding; The screw hole opposite side of described binding post is offered chamfering or annular groove, and the convex ring of this chamfering or annular groove and described ailhead bottom is corresponding; Matched with described ailhead bottom and wiring reed surface in the both sides of described screw hole.
Preferred embodiment, also comprise polyether sulfone briquetting in one; The unit terminal separate slot of described polyether sulfone briquetting and described coupling terminal block is corresponding, and bottom comprises, shrinkage pool, and the assembling of described shrinkage pool and described terminal connections screw is highly corresponding, is fixedly connected with described unit terminal separate slot.
One preferred embodiment in, the lateral wall of described protective cover bottom comprises, arc convex.
One preferred embodiment in, the lateral wall of described coupling terminal block arranges fixed projection, on the relevant position of described protective cover, offer fixed via, while making described shielding cover be loaded on described coupling terminal block outside, described fixed projection and described fixed via are connected.
One preferred embodiment in, described protective cover is polyvinyl chloride or electro-insulating rubber material, described terminal connections screw is brass material.
One preferred embodiment in, described terminal connections screw is brass material.
Thereby the capacitor terminal assembly in the utility model, by protective cover is set above terminal base, is isolated from the outside binding post, play the sealing function of waterproof and dustproof, thereby, make junction be difficult for suffering erosion, improve the reliability of wiring and reduced rate of failure.
Brief description of the drawings
Fig. 1 is in a kind of execution mode of the utility model, the terminal base structure schematic diagram of capacitor terminal assembly;
Fig. 2 is that in a kind of execution mode of the utility model, capacitor terminal assembly installs the structural representation after protective cover additional;
Fig. 3 is in a kind of execution mode of the utility model, the cross section structure schematic diagram of capacitor terminal assembly;
Fig. 4 is in a kind of execution mode of the utility model, the cross section structure schematic diagram of capacitor terminal assembly;
Fig. 5 is that in a kind of execution mode of the utility model, capacitor terminal assembly comprises the cross section structure schematic diagram of polyether sulfone briquetting;
Fig. 6 is in a kind of execution mode of the utility model, the cross section structure schematic diagram of the protective cover of a type;
Fig. 7 is in a kind of execution mode of the utility model, the cross section structure schematic diagram of the protective cover of another kind of type.
Embodiment
Shown in accompanying drawing Fig. 1～Fig. 7 of the present utility model, the technical solution of the utility model is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, in a kind of execution mode of the present utility model, the coupling terminal block 10 of capacitor terminal assembly is connected with the supply terminals of capacitor, the top of coupling terminal block 10 comprises multiple unit terminal separate slot 11,12, in unit terminal separate slot 11,12, fixing " just " " bears " utmost point wiring reed 13,14 respectively, and wiring reed 13,14 adopts brass to make, and offers on the top of wiring reed 13,14
reed screw hole, go between fixingly in order to coordinate with terminal connections screw 15, it should be noted that, above-mentioned wiring reed also can be selected 3 or multiple.At the outside suit protective cover 20 of coupling terminal block 10, shape and the length and width size corresponding (matching) of the opening part of protective cover 20 and the base of coupling terminal block 10, offer arch wiring opening 22,23 on the side 21 of protective cover 20.Be set in the outside of coupling terminal block 10; Offer wiring opening 22,23 in a side of protective cover 20, protective cover 20 is set in behind the outside of coupling terminal block 10, can make the external lead wire 31 being connected with wiring reed 13 on coupling terminal block 10; The external lead wire that wiring reed 14 connects, draws from wiring opening 22,23.The unit terminal separate slot 11,12 of pair of wire connection terminals platform 10 seals, thereby has avoided the exposed for a long time of wiring reed 13,14, has improved stability and the reliability of terminals.For making terminal connections screw 15 more convenient in installation, in a kind of execution mode of the present utility model, terminal connections screw 15 is preferably
or
interior hexagonal, interior triangle or inner pentagon screw.The material of its terminal connections screw 15 can be preferably brass material or stainless steel material.The material of above-mentioned protective cover 20 can be preferably the insulating material such as polyvinyl chloride or electro-insulating rubber and make.
For making the wiring effect of coupling terminal block 10 more reliable, in a kind of execution mode of the present utility model, as shown in Figure 4, stamp out convex ring 131 at the upper surface of the wiring reed 13 of coupling terminal block 10.On bottom the ailhead of terminal connections screw 15 151, process convex ring 152.Upside and/or downside at the screw hole 41 of binding post 40 are offered chamfering or annular groove 42, and this chamfering or annular groove 42 are corresponding with the convex ring 131 that the surface of wiring reed 13 stamps out; The downside of the screw hole of binding post 40 is offered chamfering or annular groove (not shown), the convex ring 152 of the ailhead bottom of this chamfering or annular groove and terminal connections screw 15 is corresponding, upside and the downside of the screw hole 41 of binding post 40 are matched with the surface of ailhead bottom and wiring reed 13 and 14, thereby make the wiring effect of coupling terminal block 10 more reliable.
For further increasing the sealing effectiveness of coupling terminal block 10, the laying dust of less coupling terminal block 10 internal element terminal separate slots 11,12, as shown in Figure 5, in a kind of execution mode of the present utility model, at the interior assembling polyether sulfone briquetting 50 of unit terminal separate slot 11 and/or 12, the profile of this polyether sulfone briquetting 50 is corresponding with unit terminal separate slot 11 (12), offer arch shrinkage pool 51 in the bottom of polyether sulfone briquetting 50, shrinkage pool 51 is highly corresponding with the assembling of terminal connections screw 15, thereby can be fixed in unit terminal separate slot 11 (12).Because the plasticity of polyether sulfone briquetting 50 is better, therefore, in the time making polyether sulfone briquetting 50, Outside Dimensions can be slightly larger than the spacing of unit terminal separate slot 11 (12), thereby can make polyether sulfone briquetting 50 more tight with the extruding of unit terminal separate slot 11 (12), sealing effectiveness and stationarity are better.
For making protective cover 20 more tight with coordinating of coupling terminal block 10, as shown in Figure 6, in a kind of execution mode of the present utility model, the lateral wall of coupling terminal block 10 arranges fixed projection 24, on the relevant position of protective cover 20, offer fixed via 26, while making shielding cover 20 be loaded on coupling terminal block 10 outside, fixed projection 24 is connected with fixed via 26.
For making this capacitor terminal assembly, in the time that protective cover is dismantled, more laborsaving, in a kind of execution mode of the present utility model, as shown in Figure 7, comprise in the lateral wall bottom of protective cover 20, arc convex 25, this arc convex 25 can complete by injection moulding and protective cover 20 one.
The above; it is only embodiment of the present utility model; but protection range of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection range of the present utility model.Therefore, protection range of the present utility model should described be as the criterion with the protection range of claim.
Claims (10)
1. capacitor terminal assembly, comprises, coupling terminal block is characterized in that, also comprises protective cover; The shape of the opening part of described protective cover and the base of described coupling terminal block is corresponding, is set in the outside of described coupling terminal block; A side at described protective cover is offered wiring opening, and while making described shielding cover be loaded on described coupling terminal block outside, external lead wire is drawn from described wiring opening part.
2. capacitor terminal assembly according to claim 1, is characterized in that, the terminal connections screw of described coupling terminal block is interior hexagonal, interior triangle or inner pentagon screw.
3. capacitor terminal assembly according to claim 1 and 2, is characterized in that, the wiring reed surface of described coupling terminal block comprises convex ring.
4. capacitor terminal assembly according to claim 3, is characterized in that, the ailhead bottom of described terminal connections screw comprises convex ring.
5. capacitor terminal assembly according to claim 4, is characterized in that, also comprises binding post; Screw hole one side of described binding post is offered chamfering or annular groove, and the convex ring on this chamfering or annular groove and described wiring reed surface is corresponding; The screw hole opposite side of described binding post is offered chamfering or annular groove, and the convex ring of this chamfering or annular groove and described ailhead bottom is corresponding; Matched with described ailhead bottom and wiring reed surface in the both sides of described screw hole.
6. capacitor terminal assembly according to claim 1 or 5, is characterized in that, also comprises polyether sulfone briquetting; The unit terminal separate slot of described polyether sulfone briquetting and described coupling terminal block is corresponding, and bottom comprises, shrinkage pool, and the assembling of described shrinkage pool and described terminal connections screw is highly corresponding, is fixedly connected with described unit terminal separate slot.
7. capacitor terminal assembly according to claim 6, is characterized in that, the lateral wall bottom of described protective cover comprises, arc convex.
8. capacitor terminal assembly according to claim 1, it is characterized in that, the lateral wall of described coupling terminal block arranges fixed projection, on the relevant position of described protective cover, offer fixed via, while making described shielding cover be loaded on described coupling terminal block outside, described fixed projection and described fixed via are connected.
9. according to the capacitor terminal assembly described in claim 1 or 7, it is characterized in that, described protective cover is polyvinyl chloride or electro-insulating rubber material.
10. according to the capacitor terminal assembly described in claim 1 or 7, it is characterized in that, described terminal connections screw is brass material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356338.6U CN203941812U (en) | 2014-06-27 | 2014-06-27 | Capacitor terminal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356338.6U CN203941812U (en) | 2014-06-27 | 2014-06-27 | Capacitor terminal assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203941812U true CN203941812U (en) | 2014-11-12 |
Family
ID=51861111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420356338.6U Expired - Fee Related CN203941812U (en) | 2014-06-27 | 2014-06-27 | Capacitor terminal assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203941812U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810063A (en) * | 2015-04-02 | 2015-07-29 | 周玉红 | Embedded part protector |
-
2014
- 2014-06-27 CN CN201420356338.6U patent/CN203941812U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810063A (en) * | 2015-04-02 | 2015-07-29 | 周玉红 | Embedded part protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20170627 |