CN201773703U - Power capacitor - Google Patents
Power capacitor Download PDFInfo
- Publication number
- CN201773703U CN201773703U CN2010202707194U CN201020270719U CN201773703U CN 201773703 U CN201773703 U CN 201773703U CN 2010202707194 U CN2010202707194 U CN 2010202707194U CN 201020270719 U CN201020270719 U CN 201020270719U CN 201773703 U CN201773703 U CN 201773703U
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- Prior art keywords
- insulator body
- installation base
- power capacitor
- capacitor according
- metal
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- Expired - Lifetime
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Abstract
The utility model discloses a power capacitor. The power capacitor comprises a capacitor shell and a binding post fixed on the capacitor shell, wherein the binding post comprises an insulator body, a metal wiring bolt arranged at the top end of the insulator body and a metal installation base arranged on the lower part of the insulator body; the metal installation base is a bulged piece which is formed in the capacitor shell directly; the insulator body is made of compound insulation resin; a plastic package part fixedly connected with the insulator body and an installation part connected with the capacitor shell are arranged on the metal installation base; the plastic package part of the metal installation base is subjected to plastic package on the lower part of the insulator body through injection molding or compression molding, so that the plastic package part and the insulator body are connected into a whole. The power capacitor has the advantages of simplified machining process and excellent sealing performance.
Description
Technical field
The utility model belongs to the structure-design technique field of power capacitor.
Background technology
Present power capacitor, still the binding posts of ceramic insulator that use as main body more, main cause is that most power capacitor is for fear of the internal liquid seepage, need the whole comparatively strict sealing property that has, in addition, because power capacitor is compared with other High-Voltage Electrical Appliances mostly, price is comparatively cheap, in order to keep competitiveness, also have to use low-cost pottery as the binding post main body.Described binding post comprises the ceramic insulator body, be welded on the connector assembly at insulator top, be weldingly fixed on the fixed mounting of insulator bottom.This kind binding post need be fixed on metal fixed mounting on the outer wall of insulator body when making assembling by welding manner; During installation, need on the metal shell of capacitor, stamp out the mounting interface of the tubulose that matches with the fixed mounting shape earlier, and then the ceramic insulator with fixed mounting inserted in the mounting interface, and the mounting interface of fixed mounting on capacitor casing is weldingly fixed on scolder.The binding post that this pottery is made is because parts are more, and assembling one by one, thus cause its processing technology loaded down with trivial details, and waste product appears easily; Well known fact is simultaneously: pottery dodges poor-performing than great, frangible and anti-soil; So the structure of this traditional binding post is still needed improvement badly.
In addition, adopt the shortcoming of the high-voltage power capacitor that this traditional ceramics binding post makes to be: when making power capacitor, need make described fixed mounting, on capacitor casing, stamp out two independent operations of mounting interface, when fixed mounting being installed on the ceramic insulator body, need once welding in addition, also need once to weld in the time of on the mounting interface that fixed mounting is fixed on capacitor, cause its manufacturing procedure more, complex operation and cost are higher.
The utility model content
The purpose of this utility model provides the power capacitor that excellent sealing performance is comparatively simplified and had to a kind of processing technology.
Realize that a kind of technical scheme of the present utility model is: a kind of power capacitor, comprise capacitor casing and be fixed on binding post on the capacitor casing that described binding post comprises insulator body, be arranged on the metal connection bolt on described insulator body top and be arranged on the metal installation base of described insulator body bottom; Described metal installation base is the male member that is molded directly within on the capacitor casing; Described insulator body adopts the compound inslation resin to make; Described metal installation base is provided with and is used for the Plastic Division and the installation portion that be used for capacitor casing link to each other fixedly connected with described insulator body; Thereby the Plastic Division of described metal installation base fuses with described insulator body in the bottom of described insulator body by injection mo(u)lding or compression molding plastic packaging.
In the such scheme, described metal installation base is to form by the punch forming mode; Described insulator body adopts the sheet molding compound of glass fibre enhancing or the epoxy resin of glass fibre enhancing to make; Described metal installation base adopts stainless steel or stainless iron to make.
In the such scheme, the outer wall of described insulator body is provided with the silicon rubber protective sleeve that possesses anti-creepage full skirt.
In the such scheme, the basic configuration of described metal installation base is a tubulose, and its tube wall is an installation portion, and described Plastic Division is the male member that is arranged on the installation portion inwall, and the part or all of plastic packaging of described male member is in insulator body.
In the such scheme, described Plastic Division is in the vestibule that described installation portion surrounds, and described installation portion is enclosed within on the outer wall of described insulator body.
In the such scheme, the top of described Plastic Division protrudes upward the vestibule that described installation portion surrounds, and described installation position is in the diapire below of described insulator body.
In the such scheme, the lower edge wall of described connection bolt is a solid envelope portion, and the upper edge wall is an external thread part; The solid envelope portion of described connection bolt is enclosed on the top of insulator body admittedly by injection mo(u)lding or compression molding, and described external thread part stretches out the roof of insulator body.
In the such scheme, described connection bolt is a hollow bolt, its admittedly envelope portion be provided with the solid envelope boss that is used to increase adhesion, the described envelope admittedly on the limit wall that the boss evagination is arranged on solid envelope portion.
In the such scheme, described insulator body is provided with through hole along self central axis, and the solid envelope portion of described connection bolt is enclosed in the upper end open of insulator body through hole admittedly.
In the such scheme, described insulator body is provided with annealed copper wire in its through hole, and the upper end of described annealed copper wire is electrically connected with the metal connection bolt, and described metal installation base and annealed copper wire insulation are provided with.
The good effect that the utlity model has:
(1) in the utility model, described metal installation base is the male member that is molded directly within on the capacitor casing, described insulator body and metal installation base can be by injection mo(u)lding or the compression molding parts that becomes one, also be that described binding post and power capacitor housing can be by injection mo(u)lding or the compression molding parts that becomes one, the structure and the manufacturing procedure thereof of binding post self have greatly been simplified, compare with traditional wired post and power capacitor, save many parts and assembling procedure, effectively reduced manufacturing cost; In addition and since by by with the Plastic Division plastic packaging of metal installation base on insulator body, its sealing property also is guaranteed.This kind power capacitor no longer needs to process independent fixed mounting during fabrication, but the male member that directly punch forming and capacitor casing fuse on capacitor casing, so also no longer need to stamp out the operation of mounting interface; In addition, only need a plastic packaging, also promptly only need can be fixedly mounted on the fixed mounting plastic packaging on the capacitor casing to binding post on the insulator body, also no longer need traditional welding sequence, so the utility model product has the advantage that excellent sealing performance is comparatively simplified and had to processing technology.
(2) in the utility model; described insulator body adopts the sheet molding compound of glass fibre enhancing or the epoxy resin of glass fibre enhancing to make; and can be on the outer surface of described insulator body the sheathed silicon rubber protective sleeve that has full skirt; the binding post of this structure has superior anti-soil and dodges performance; and be difficult in transportation and installation process, to have remarkable advantages because of the fragmentation of colliding with.
Description of drawings
Fig. 1 is the half sectional view of first kind of structure of the utility model;
Fig. 2 is the half sectional view of metal installation base in the power capacitor shown in Figure 1;
Fig. 3 is the half sectional view of second kind of structure of the utility model;
Fig. 4 is the half sectional view of metal installation base in the power capacitor shown in Figure 3.
Reference numeral: insulator body 1, through hole 11, connection bolt 2, admittedly envelope portion 21, admittedly seal boss 211, external thread part 22, mount pad 3, Plastic Division 31, installation portion 32, silicon rubber protective sleeve 4, anti-creepage full skirt 41, annealed copper wire 5, capacitor casing 6.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 2 has shown first kind of embodiment of the present utility model, and wherein Fig. 1 is the half sectional view of first kind of structure of the utility model; Fig. 2 is the half sectional view of metal installation base in the power capacitor shown in Figure 1;
Present embodiment is a kind of binding post that is used for power capacitor, see Fig. 1 to Fig. 2, comprise capacitor casing 6 and be fixed on binding post 1 on the capacitor casing 6 that described binding post 1 comprises insulator body 1, be arranged on the metal connection bolt 2 on described insulator body 1 top and be arranged on the metal installation base 3 of described insulator body 1 bottom; Described metal installation base 3 is to be molded directly within male member on the capacitor casing 6 by the punch forming mode; Described insulator body 1 adopts the compound inslation resin to make; Described metal installation base 3 is provided with and is used for the Plastic Division 31 and the installation portion 32 that be used for capacitor casing 6 link to each other fixedly connected with described insulator body 1; Thereby the Plastic Division 31 of described metal installation base 3 fuses with described insulator body 1 in the bottom of described insulator body 1 by injection mo(u)lding or compression molding plastic packaging.
The sheet molding compound (being commonly called as smc) that described insulator body 1 adopts glass fibre to strengthen is made; Described metal installation base 3 adopts the stainless iron punching press to make.
The outer wall of described insulator body 1 is provided with the silicon rubber protective sleeve 4 that possesses anti-creepage full skirt 41.
The basic configuration of described metal installation base 3 is a tubulose, and its tube wall is an installation portion 32, and described Plastic Division 31 is for being arranged on the male member on installation portion 32 inwalls, and described male member part plastic packaging is in insulator body 1.
Described Plastic Division 31 is in the vestibule that described installation portion 32 surrounds, and described installation portion 32 is enclosed within on the outer wall of described insulator body 1.
The lower edge wall of described connection bolt 2 is solid envelope portions 21, and the upper edge wall is an external thread part 22; The solid envelope portion 21 of described connection bolt 2 is enclosed on the top of insulator body 1 admittedly by injection mo(u)lding or compression molding, and described external thread part 22 stretches out the roof of insulator body 1.
Described connection bolt 2 is hollow bolts, its admittedly envelope portion 21 be provided with the solid envelope boss 211 that is used to increase adhesion, the described envelope admittedly on the limit wall that boss 211 evaginations are arranged on solid envelope portion 21.
The solid envelope portion 21 of described connection bolt 2 is enclosed in the upper end open of insulator body 1 through hole 11 admittedly.
(embodiment 2)
Fig. 3 to Fig. 4 has shown second kind of embodiment of the present utility model, and wherein Fig. 3 is the half sectional view of second kind of structure of the utility model; Fig. 4 is the half sectional view of metal installation base in the power capacitor shown in Figure 3.
Present embodiment is substantially the same manner as Example 1, and difference is: the top of described Plastic Division 31 protrudes upward the vestibule that described installation portion 32 surrounds, and described installation portion 32 is positioned at the diapire below of described insulator body 1.
Described insulator body 1 is provided with annealed copper wire 5 in its through hole 11, the upper end of described annealed copper wire 5 is electrically connected with metal connection bolt 2, and described metal installation base 3 is provided with annealed copper wire 5 insulation.
The epoxy resin that described insulator body 1 adopts glass fibre to strengthen is made; Described metal installation base 3 adopts stainless steel to make.
In addition, in the present embodiment, solid envelope portion 21 outer walls of described connection bolt 2 no longer are provided with solid envelope boss 211.
The foregoing description 1 and embodiment 2 have the following advantages: (1) described metal installation base is the male member that is molded directly within on the capacitor casing, described insulator body and metal installation base can be by injection mo(u)lding or the compression molding parts that becomes one, also be that described binding post and power capacitor housing can be by injection mo(u)lding or the compression molding parts that becomes one, the structure and the manufacturing procedure thereof of binding post self have greatly been simplified, compare with traditional wired post and power capacitor, save many parts and assembling procedure, effectively reduced manufacturing cost; In addition and since by by with the Plastic Division plastic packaging of metal installation base on insulator body, its sealing property also is guaranteed.This kind power capacitor no longer needs to process independent fixed mounting during fabrication, but the male member that directly punch forming and capacitor casing fuse on capacitor casing, so also no longer need to stamp out the operation of mounting interface; In addition, only need a plastic packaging, also promptly only need can be fixedly mounted on the fixed mounting plastic packaging on the capacitor casing to binding post on the insulator body, also no longer need traditional welding sequence, so the utility model product has the advantage that excellent sealing performance is comparatively simplified and had to processing technology.
(2) described insulator body adopts the sheet molding compound of glass fibre enhancing or the epoxy resin of glass fibre enhancing to make; and can be on the outer surface of described insulator body the sheathed silicon rubber protective sleeve that has full skirt; the binding post of this structure has superior anti-soil and dodges performance; and be difficult in transportation and installation process, to have remarkable advantages because of the fragmentation of colliding with.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection range of the present utility model.
Claims (10)
1. power capacitor, comprise capacitor casing (6) and be fixed on binding post (1) on the capacitor casing (6) that described binding post (1) comprises insulator body (1), be arranged on the metal connection bolt (2) on described insulator body (1) top and be arranged on the metal installation base (3) of described insulator body (1) bottom; It is characterized in that: described metal installation base (3) is the male member that is molded directly within on the capacitor casing (6); Described insulator body (1) adopts the compound inslation resin to make; Described metal installation base (3) is provided with and is used for the Plastic Division (31) and the installation portion (32) that be used for capacitor casing (6) link to each other fixedly connected with described insulator body (1); The Plastic Division (31) of described metal installation base (3) by injection mo(u)lding or compression molding plastic packaging in described insulator body (1) thus the bottom fuse with described insulator body (1).
2. power capacitor according to claim 1 is characterized in that: described metal installation base (3) is to form by the punch forming mode; Described insulator body (1) adopts the sheet molding compound of glass fibre enhancing or the epoxy resin of glass fibre enhancing to make; Described metal installation base (3) adopts stainless steel or stainless iron to make.
3. power capacitor according to claim 1 is characterized in that: the outer wall of described insulator body (1) is provided with the silicon rubber protective sleeve (4) that possesses anti-creepage full skirt (41).
4. power capacitor according to claim 1, it is characterized in that: the basic configuration of described metal installation base (3) is a tubulose, its tube wall is installation portion (32), described Plastic Division (31) is for being arranged on the male member on installation portion (32) inwall, and the part or all of plastic packaging of described male member is in insulator body (1).
5. power capacitor according to claim 4 is characterized in that: described Plastic Division (31) are in the vestibule that described installation portion (32) surrounds, and described installation portion (32) is enclosed within on the outer wall of described insulator body (1).
6. power capacitor according to claim 5 is characterized in that: the top of described Plastic Division (31) protrudes upward the vestibule that described installation portion (32) surrounds, and described installation portion (32) is positioned at the diapire below of described insulator body (1).
7. power capacitor according to claim 1 is characterized in that: the lower edge wall of described connection bolt (2) is a solid envelope portion (21), and the upper edge wall is external thread part (22); The solid envelope portion (21) of described connection bolt (2) is enclosed on the top of insulator body (1) admittedly by injection mo(u)lding or compression molding, and described external thread part (22) stretches out the roof of insulator body (1).
8. power capacitor according to claim 7, it is characterized in that: described connection bolt (2) is a hollow bolt, its admittedly envelope portion (21) be provided with the solid envelope boss (211) that is used to increase adhesion, described boss (211) evagination that seals admittedly is arranged on the limit wall of solid envelope portion (21).
9. power capacitor according to claim 8, it is characterized in that: described insulator body (1) is provided with through hole (11) along self central axis, and the solid envelope portion (21) of described connection bolt (2) is enclosed in the upper end open of insulator body (1) through hole (11) admittedly.
10. power capacitor according to claim 1, it is characterized in that: described insulator body (1) is provided with annealed copper wire (5) in its through hole (11), the upper end of described annealed copper wire (5) is electrically connected with metal connection bolt (2), and described metal installation base (3) is provided with annealed copper wire (5) insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202707194U CN201773703U (en) | 2010-07-15 | 2010-07-15 | Power capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202707194U CN201773703U (en) | 2010-07-15 | 2010-07-15 | Power capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201773703U true CN201773703U (en) | 2011-03-23 |
Family
ID=43753546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202707194U Expired - Lifetime CN201773703U (en) | 2010-07-15 | 2010-07-15 | Power capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201773703U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916655A (en) * | 2010-07-15 | 2010-12-15 | 赵牧青 | Power capacitor |
| CN104051152B (en) * | 2012-03-31 | 2017-01-18 | 国网江苏省电力公司盐城供电公司 | Rolling ceramic binding post for power capacitor |
| CN106783168A (en) * | 2016-12-17 | 2017-05-31 | 衢州众汇新材料科技有限公司 | The composite bushing of electric wire is drawn based on power capacitor |
-
2010
- 2010-07-15 CN CN2010202707194U patent/CN201773703U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916655A (en) * | 2010-07-15 | 2010-12-15 | 赵牧青 | Power capacitor |
| CN104051152B (en) * | 2012-03-31 | 2017-01-18 | 国网江苏省电力公司盐城供电公司 | Rolling ceramic binding post for power capacitor |
| CN106783168A (en) * | 2016-12-17 | 2017-05-31 | 衢州众汇新材料科技有限公司 | The composite bushing of electric wire is drawn based on power capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110323 Effective date of abandoning: 20120711 |