CN201732998U - Power transmission and transformation capacitor unit grounding device - Google Patents
Power transmission and transformation capacitor unit grounding device Download PDFInfo
- Publication number
- CN201732998U CN201732998U CN2010202534439U CN201020253443U CN201732998U CN 201732998 U CN201732998 U CN 201732998U CN 2010202534439 U CN2010202534439 U CN 2010202534439U CN 201020253443 U CN201020253443 U CN 201020253443U CN 201732998 U CN201732998 U CN 201732998U
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- connector lug
- capacitor
- cylinder
- ground connection
- connection connector
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Abstract
The utility model discloses a power transmission and transformation capacitor unit grounding device, which comprises a capacitor box body and a grounding connector lug connected onto the capacitor box body. A copper conductor is connected with the grounding connector lug arranged on the capacitor box body through a welding surface. The power transmission and transformation capacitor unit grounding device is characterized in that the grounding connector lug comprises a copper screw, an outer hexagonal tabletop and a sealing cover, wherein the outer hexagonal tabletop and the sealing cover are arranged below the copper screw, a cylinder which is coaxial with the copper screw extends below the sealing cover, an annular groove which is annularly arranged along the peripheral wall of the cylinder is disposed at the end of the cylinder, a transitional cone is arranged between the cylinder and a sealing cover extension section, a sealing gasket is disposed on the peripheral wall of the outer edge of the cone, and a flange is riveted on the grounding connector lug consisting of the copper screw, the sealing cover and an extending body and connected with a box cover of a capacitor through a welding surface. The grounding connector lug is riveted onto the flange, and the flange and the capacitor box body which are made of identical materials are connected, so that cracking of the welding surface is avoided, sealing effect of the capacitor is fine, and safety and reliability are high.
Description
Technical field
The utility model belongs to the power transmission and transformation technical field, the earthing device in especially a kind of power transmission and transformation capacitor unit assembly.
Background technology
Power capacitor unit earthing device existing structure is that copper connector lug or stainless steel connector lug directly are welded on the stainless steel casing of capacitor, and the connector lug lower end is connected through lead and capacitor inside.
Existing ground connection connector lug takes the screw rod of copper (stainless steel) material to be connected (as Fig. 1, shown in Figure 3) with the stainless steel case lid of capacitor 10 by solder side 8, and this structure can not guarantee the conduction reliability of power capacitor unit earthing device and the technical performance index of sealing property.Though the copper material connector lug has guaranteed the reliability of conduction, there is hidden danger in the welding between these two kinds of materials of copper and stainless steel, and the solder side cracking very likely takes place, and causes the capacitor seal failure, causes leakage of oil to produce potential safety hazard.Though the connector lug of stainless steel has solved Welding Problems, reduced the reliability of capacitor conduction.
The utility model content
The utility model causes seal failure and conducts electricity insecure problem at welding is easy to crack between the ground connection connector lug unlike material in the power capacitor unit assembly in the above-mentioned prior art, a kind of power transmission and transformation capacitor unit earthing device is provided, the solder side cracking can not take place in this device, the capacitor good sealing effect, the security reliability height.
The purpose of this utility model realizes by following technical proposals, a kind of power transmission and transformation capacitor unit earthing device, comprise the capacitor casing, and be connected ground connection connector lug on the capacitor casing, copper conductor is connected with ground connection connector lug on being arranged on the capacitor casing by solder side, it is characterized in that: described ground connection connector lug comprises outer six side's table top and the seal covers of copper screw bolt and copper screw bolt below, along sealing lid below, and with the coaxial cylinder that is extended with of copper screw bolt, the cylinder termination is provided with the endless groove of arranging along its perisporium hoop, and between this cylinder and seal cover extension, being provided with the transition circle cone, cone outer rim perisporium is provided with sealing gasket; Flange is riveted on the ground connection connector lug of copper screw bolt, seal cover and ennation formation, and flange is connected with the case lid of capacitor by solder side.
Described flange is the hollow cylinder that is provided with up big and down small a plurality of apertures, and the cylindrical upper end of this hollow is hollow round table-like, and its round platform elongated end and solder side join; And its upper end centre bore is connected with ground connection connector lug seal cover outer rim perisporium, and its stage casing centre bore and the sealing of sealing gasket outer rim perisporium agree with, and its lower end centre bore matches with the cylinder external diameter; And the endless groove tabling on its lower end elongated end and the cylinder.
The cone outside of the seal cover bottom of described ground connection connector lug is socketed with sealing gasket, and the sealing pad is made by the fluorosioloxane rubber material.
Described flange takes stainless steel material to make.
The utility model improves the ground connection connector lug and the capacitor case welding position of prior art, be made as cone and cylinder and on cylinder, establish the ennation of endless groove by structure the ground connection connector lug, the sealing gasket that will be located at this cone outside socket by cylinder fully is out of shape, and has guaranteed the sealing property of this earthing device; Ground connection connector lug after will improving simultaneously is riveted on flange on its endless groove by roll riveting equipment, by flange and capacitor welding with stainless steel, improve the solder side cracking that the direct welding of original copper material and stainless steel material causes, caused security hidden troubles such as capacitor seal failure phenomenon.
Compare with existing structure, the utility model has changed existing product structure unlike material welding and has conducted electricity insecure problem with cracking leakage of oil and identical material, has both guaranteed the sealing property of product, makes that again the reliability of conduction is guaranteed.
Description of drawings
Fig. 1 is existing ground connection connector lug assembly schematic diagram;
Fig. 2 is the utility model ground connection connector lug assembly schematic diagram;
Fig. 3 is existing ground connection connector lug lower end schematic diagram;
Fig. 4 is the utility model ground connection connector lug lower end schematic diagram;
Fig. 5 is the flange arrangement schematic diagram;
Fig. 6 is flange and endless groove riveted joint position enlarged diagram;
Among the figure: 1. copper screw bolt; 2. seal cover; 3. cone; 4. cylinder; 5. flange; 6. sealing gasket; 7. endless groove; 8. solder side; 9. insulator; 10, capacitor; 11, copper conductor.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further elaborated.
As Fig. 2, shown in Figure 4, this power transmission and transformation capacitor unit earthing device, comprise capacitor 10 casings, and be connected ground connection connector lug on capacitor 10 casings, copper conductor 11 is connected with ground connection connector lug on being arranged on capacitor 10 casings by solder side 8, wherein: described ground connection connector lug comprises six side's table tops and seal cover 2 outside copper screw bolt 1 and copper screw bolt 1 below, cover 2 belows along sealing, and it is coaxial with copper screw bolt 1, and one cylinder 4 is arranged with seal cover end face vertical extent, cylinder 4 terminations are provided with the endless groove of arranging along its perisporium hoop 7, and between this cylinder 4 and seal cover 2 extensions, being provided with transition circle cone 3, cone 3 outer rim perisporiums are provided with sealing gasket 6; Flange 5 is riveted on the ground connection connector lug of copper screw bolt 1, seal cover 2 and ennation formation, and flange 5 is connected by the case lid of solder side 8 with capacitor 10.
As shown in Figure 5, flange 5 is for being provided with the hollow cylinder in up big and down small a plurality of apertures, and the cylindrical upper end of this hollow is hollow round table-like, and its round platform elongated end and solder side 8 join; And its upper end centre bore is connected with ground connection connector lug seal cover 2 outer rim perisporiums, and its stage casing centre bore and the sealing of sealing gasket 6 outer rim perisporiums agree with, and its lower end centre bore matches with cylinder 4 external diameters; And the lower end elongated end of this flange 5 links to each other with endless groove 7 on the cylinder 4.The wall thickness of flange 5 takes the material of 1.2mm to make.Its upper end centre bore and ground connection connector lug seal cover 2 outer rim perisporiums are tightly connected, and its lower end hollow cylinder is by roll riveting equipment and endless groove 7 tablings (riveting the position enlarged drawing as shown in Figure 6).The flange 5 of this earthing device takes stainless steel material to make, and therefore is riveted together by the ground connection connector lug of above-mentioned copper material and the flange 5 of stainless steel, and described flange 5 matches with the overall dimension of the connecting portion of cone 3 and cylinder 4.By capacitor 10 welding of solder side 8, reach again with the purpose of material welding with its firm welding with flange 5 with the stainless steel of stainless steel.
Further, the utility model is socketed with sealing gasket 6 with cone 3 outsides of seal cover 2 bottoms of ground connection connector lug, and sealing pad 6 is made by the fluorosioloxane rubber material.Can reach in the production of capacitor assembly and the running well sealing effectiveness by the sealing structure.
When the utility model is implemented, to have copper screw bolt 1 be connected with outer six sides, seal cover 2 cone 3, and component composition such as cylinder 4 sealing gaskets 6 the ground connection connector lug and the flange 5 that form by roll riveting equipment it is riveted together, ground connection connector lug upper end copper screw bolt 1 is connected with ground wire.And regulate the abundant distortion that air pressure makes sealing pad 6 by pneumatic equipment, and with roll riveting equipment flange 5 is fixed in the endless groove 7, make the distortion of gasket seal 6 be maintained.Then the ground connection connector lug device that fixes is welded on the capacitor 10 by solder side 8, the sealing and the conductivity of the grounded part outlet terminal of capacitor are effectively guaranteed like this.
Because having avoided existing structure unlike material (copper and stainless steel) welding to produce cracking leakage of oil and identical material (stainless steel casing of stainless steel screw rod and capacitor), structure of the present utility model conducts electricity insecure problem, thereby, the sealing property of ground connection connector lug and the reliability of conduction are solved, prolonged the life cycle of ground connection connector lug, save a large amount of maintenance costs, in the production of capacitor assembly and running, received effect preferably.
Claims (4)
1. power transmission and transformation capacitor unit earthing device, comprise capacitor (10) casing, and be connected ground connection connector lug on capacitor (10) casing, copper conductor (11) is connected with ground connection connector lug on being arranged on capacitor (10) casing by solder side (8), it is characterized in that: described ground connection connector lug comprises outer six side's table tops of copper screw bolt (1) and copper screw bolt (1) below and seal cover (2), along sealing lid (2) below, and with the coaxial cylinder (4) that is extended with of copper screw bolt (1), cylinder (4) termination is provided with the endless groove of arranging along its perisporium hoop (7), and between this cylinder (4) and seal cover (2) extension, being provided with transition circle cone (3), cone (3) outer rim perisporium is provided with sealing gasket (6); Flange (5) is riveted on the ground connection connector lug of copper screw bolt (1), seal cover (2) and ennation formation, and flange (5) is connected by the case lid of solder side (8) with capacitor (10).
2. a kind of power transmission and transformation capacitor unit earthing device according to claim 1, it is characterized in that: described flange (5) is for being provided with the hollow cylinder in up big and down small a plurality of apertures, the cylindrical upper end of this hollow is hollow round table-like, and its round platform elongated end and solder side (8) join; And its upper end centre bore is connected with ground connection connector lug seal cover (2) outer rim perisporium, its stage casing centre bore and the sealing of sealing gasket (6) outer rim perisporium agree with, its lower end centre bore matches with cylinder (4) external diameter, and endless groove (7) tabling on its lower end elongated end and the cylinder (4).
3. a kind of power transmission and transformation capacitor unit earthing device according to claim 1 is characterized in that: cone (3) outside of the seal cover of described ground connection connector lug (2) bottom is socketed with sealing gasket (6), and sealing pad (6) is made by the fluorosioloxane rubber material.
4. a kind of power transmission and transformation capacitor unit earthing device according to claim 1 is characterized in that: described flange (5) takes stainless steel material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202534439U CN201732998U (en) | 2010-07-09 | 2010-07-09 | Power transmission and transformation capacitor unit grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202534439U CN201732998U (en) | 2010-07-09 | 2010-07-09 | Power transmission and transformation capacitor unit grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201732998U true CN201732998U (en) | 2011-02-02 |
Family
ID=43524153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202534439U Expired - Fee Related CN201732998U (en) | 2010-07-09 | 2010-07-09 | Power transmission and transformation capacitor unit grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201732998U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761851A (en) * | 2012-03-31 | 2016-07-13 | 申清章 | Ceramic binding post used for high-voltage electric appliance |
| CN105788854A (en) * | 2012-03-31 | 2016-07-20 | 申清章 | High-tension ceramic binding post |
| CN105788776A (en) * | 2012-03-31 | 2016-07-20 | 申清章 | High-voltage ceramic binding post |
| CN105788855A (en) * | 2012-03-31 | 2016-07-20 | 申清章 | Ceramic binding post for effectively improving production efficiency |
| CN105788777A (en) * | 2012-03-31 | 2016-07-20 | 申清章 | Ceramic binding post capable of effectively improving production efficiency |
| CN105788778A (en) * | 2012-03-31 | 2016-07-20 | 申清章 | Ceramic binding post for high-voltage electric apparatuses |
-
2010
- 2010-07-09 CN CN2010202534439U patent/CN201732998U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761851A (en) * | 2012-03-31 | 2016-07-13 | 申清章 | Ceramic binding post used for high-voltage electric appliance |
| CN105788854A (en) * | 2012-03-31 | 2016-07-20 | 申清章 | High-tension ceramic binding post |
| CN105788776A (en) * | 2012-03-31 | 2016-07-20 | 申清章 | High-voltage ceramic binding post |
| CN105788855A (en) * | 2012-03-31 | 2016-07-20 | 申清章 | Ceramic binding post for effectively improving production efficiency |
| CN105788777A (en) * | 2012-03-31 | 2016-07-20 | 申清章 | Ceramic binding post capable of effectively improving production efficiency |
| CN105788778A (en) * | 2012-03-31 | 2016-07-20 | 申清章 | Ceramic binding post for high-voltage electric apparatuses |
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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 |
Granted publication date: 20110202 Termination date: 20160709 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |