CN213519423U - Full-sealed discharge coil - Google Patents
Full-sealed discharge coil Download PDFInfo
- Publication number
- CN213519423U CN213519423U CN202022588007.3U CN202022588007U CN213519423U CN 213519423 U CN213519423 U CN 213519423U CN 202022588007 U CN202022588007 U CN 202022588007U CN 213519423 U CN213519423 U CN 213519423U
- Authority
- CN
- China
- Prior art keywords
- pressure
- shaped
- flange
- sealing gasket
- discharge coil
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 26
- 239000012212 insulator Substances 0.000 claims abstract description 7
- 239000000565 sealant Substances 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 abstract description 8
- 230000002349 favourable effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 3
- 240000005002 Erythronium dens canis Species 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 239000002828 fuel tank Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Gasket Seals (AREA)
Abstract
The utility model discloses a totally enclosed type discharge coil, including the oil tank body and high-pressure insulator, the internal ripple expansion piece that has welded of oil tank, high-pressure insulator is connected with the oil tank body through the lower flange, high-pressure insulator is connected with the upper flange through the screw rod, a plurality of V-arrangement seal groove has been seted up to the lower flange, high-pressure insulator is provided with the lower sealing gasket with the junction of lower flange, the bottom surface integrated into one piece of lower sealing gasket has the V-arrangement dogtooth, the upper flange has been seted up and has been fallen the V-arrangement and support the indent, be provided with the upper sealing gasket between upper flange and the high-pressure insulator, the top surface integrated into one piece of upper sealing gasket has the V. The utility model discloses a structure sets up rationally, and the upper seal pad adopts embedded installation with lower seal pad, prevents effectively that upper and lower seal pad from causing the ageing seepage that arouses by ultraviolet irradiation, and insulating oil and ripple inflation piece comprehensive contact are favorable to the pressure release by oneself, have solved high-pressure for the parallel capacitor discharge coil internal pressure too big, and the technique of oil leakage at high-pressure porcelain bushing connection position is not enough.
Description
Technical Field
The utility model belongs to the technical field of discharge coil for high-voltage parallel capacitor, concretely relates to totally enclosed type discharge coil.
Background
The discharging of the high-voltage parallel capacitor is to ensure that after the capacitor is powered off, the residual charge can be discharged quickly, and the residual voltage of the capacitor reaches the required value within the specified time. The device is special equipment for ensuring the safety of maintainers after power failure. The traditional discharge coil for the high-voltage parallel capacitor works in outdoor severe natural environment all year round, and the insulation oil is easy to leak from the connection part of the high-voltage porcelain bushing due to overlarge pressure in the box body. The discharge coil for high-voltage parallel capacitor disclosed in chinese patent CN2607646Y seriously affects its reliability and safety.
Disclosure of Invention
The utility model aims at providing a totally enclosed type discharge coil, it is too big to aim at solving high pressure for the parallel capacitor discharge coil internal pressure to and the oil leakage at high pressure insulator connection position, the reliability that influences discharge coil work and security performance's technique is not enough.
The technical scheme for realizing the purpose of the utility model is that the full-sealing type discharge coil comprises an oil tank body and a high-pressure porcelain bushing, wherein a corrugated expansion sheet is welded in the oil tank body, the corrugated expansion sheet enables the inside of the oil tank body to form a full-sealing expansion box, the bottom end of the high-pressure porcelain bushing is connected with the oil tank body through a lower flange, the top end of the high-pressure porcelain bushing is connected with an upper flange through a screw rod, the top surface of the lower flange is provided with a plurality of V-shaped sealing grooves, the joint of the bottom surface of the high-pressure porcelain bushing and the lower flange is provided with a lower sealing gasket, the bottom surface of the lower sealing gasket is integrally formed with V-shaped convex teeth matched with the V-shaped sealing grooves, the V-shaped convex teeth of the lower sealing gasket are clamped in the V-shaped sealing grooves, the bottom surface of the upper flange is provided with an inverted V-shaped pressing groove, the top surface integrated into one piece of upper seal pad have with the V-arrangement that falls supports and presses the groove matched with is supported and is pressed the arch, the V-arrangement that falls of upper seal pad supports and presses the arch card and go into it presses the inslot to fall the V-arrangement.
The edge of the joint of the lower flange and the high-voltage porcelain bushing is filled with a lower sealant, and the edge of the joint of the upper flange and the high-voltage porcelain bushing is filled with an upper sealant.
Still be provided with the protective cover on the oil tank body, the protective cover is in the outside of ripple inflation piece.
The depth of the V-shaped sealing groove and the inverted V-shaped pressing groove is 1-1.5 mm.
The thickness of the lower sealant and the upper sealant is 1.5-2 mm.
The upper sealing glue and the lower sealing glue are made of silica gel rubber.
The utility model discloses has positive effect: the utility model discloses a structure sets up rationally, it is provided with ripple expansion piece and makes the internal totally enclosed inflation box that forms of fuel tank, make insulating oil and the overall contact of ripple expansion piece, the pressure conduction reaction is very sensitive, it has certain shock-absorbing capacity simultaneously, be favorable to the pressure release by oneself, thereby can avoid exploding, the safety in utilization has been improved, and it is between last flange and high-pressure porcelain bushing, be provided with upper seal pad and lower seal pad between lower flange and the high-pressure porcelain bushing respectively, and cooperation V-arrangement seal groove and the indent of falling V-arrangement are supported, be favorable to strengthening sealing performance, effectually prevent the seepage, it is reliable and stable to use, it is too big to have solved high-pressure for the parallel condenser discharge coil internal pressure, and the oil leakage at high-pressure porcelain bushing connection position, influence the reliability of discharge coil work and the technique of security performance not enough.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the following specific embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is an enlarged schematic view of B in fig. 1.
Detailed Description
(example 1)
Fig. 1 to 3 show an embodiment of the present invention, wherein fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1; fig. 3 is an enlarged schematic view of B in fig. 1.
Referring to fig. 1 to 3, a totally enclosed discharge coil comprises an oil tank body 1 and a high-pressure porcelain bushing 2, wherein a corrugated expansion sheet 3 is welded in the oil tank body, the corrugated expansion sheet enables the internal part of the oil tank body to form a totally enclosed expansion box, the bottom end of the high-pressure porcelain bushing is connected with the oil tank body through a lower flange 4, the top end of the high-pressure porcelain bushing is connected with an upper flange 5 through a screw, the top surface of the lower flange is provided with a plurality of V-shaped sealing grooves 6, the joint of the bottom surface of the high-pressure porcelain bushing and the lower flange is provided with a lower sealing gasket 7, the bottom surface of the lower sealing gasket is integrally formed with V-shaped convex teeth 8 matched with the V-shaped sealing grooves, the V-shaped convex teeth of the lower sealing gasket are clamped in the V-shaped sealing grooves, the bottom surface of the upper flange is provided with an inverted V-shaped pressing groove 9, and an upper sealing gasket, the top surface integrated into one piece of upper seal pad have with the V-arrangement that falls supports and presses the groove matched with is supported and is pressed protruding 11, the V-arrangement that falls of upper seal pad supports and presses protruding card and is gone into it supports and presses the inslot to fall the V-arrangement. In this embodiment, the upper gasket and the lower gasket are both made of a high-molecular elastic material gasket having high heat resistance, oil resistance, chemical resistance, and aging resistance.
The edge of the joint of the lower flange and the high-voltage porcelain bushing is filled with a lower sealant 12, and the edge of the joint of the upper flange and the high-voltage porcelain bushing is filled with an upper sealant 13. The lower sealing gasket and the upper sealing gasket are arranged on the outer sides, so that the upper sealing gasket and the lower sealing gasket are embedded, and the leakage caused by aging of the sealing gasket due to ultraviolet irradiation in the service life of a product is effectively prevented.
The oil tank body is further provided with a protective cover 14, and the protective cover is located on the outer side of the corrugated expansion sheet.
The depth of the V-shaped sealing groove and the inverted V-shaped pressing groove is 1-1.5 mm.
The thickness of the lower sealant and the upper sealant is 1.5-2 mm.
The upper sealing glue and the lower sealing glue are made of silica gel rubber.
The utility model discloses a structure sets up rationally, it is provided with ripple expansion piece and makes the internal totally enclosed inflation box that forms of fuel tank, make insulating oil and the overall contact of ripple expansion piece, the pressure conduction reaction is very sensitive, it has certain shock-absorbing capacity simultaneously, be favorable to the pressure release by oneself, thereby can avoid exploding, the safety in utilization has been improved, and it is between last flange and high-pressure porcelain bushing, be provided with upper seal pad and lower seal pad between lower flange and the high-pressure porcelain bushing respectively, and cooperation V-arrangement seal groove and the indent of falling V-arrangement are supported, be favorable to strengthening sealing performance, effectually prevent the seepage, it is reliable and stable to use, it is too big to have solved high-pressure for the parallel condenser discharge coil internal pressure, and the oil leakage at high-pressure porcelain bushing connection position, influence the reliability of discharge coil work and the technique of security performance not enough.
The standard parts used in the present embodiment can be purchased directly from the market, and the non-standard structural parts described in the specification can also be obtained directly by processing according to the common general knowledge of the prior art without any doubt, and the connection mode of the parts adopts the conventional means matured in the prior art, and the machines, parts and equipment adopt the conventional models in the prior art, so that the detailed description is not given here.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.
Claims (6)
1. The utility model provides a totally enclosed type discharge coil, includes the oil tank body and high-pressure insulator, its characterized in that: the oil tank body is internally welded with a corrugated expansion sheet, the corrugated expansion sheet enables the interior of the oil tank body to form a fully-sealed expansion box, the bottom end of the high-pressure porcelain sleeve is connected with the oil tank body through a lower flange, the top end of the high-pressure porcelain sleeve is connected with an upper flange through a screw rod, the top surface of the lower flange is provided with a plurality of V-shaped sealing grooves, a lower sealing gasket is arranged at the joint of the bottom surface of the high-pressure porcelain sleeve and the lower flange, V-shaped convex teeth matched with the V-shaped sealing grooves are integrally formed on the bottom surface of the lower sealing gasket, the V-shaped convex teeth of the lower sealing gasket are clamped in the V-shaped sealing grooves, inverted V-shaped pressing grooves are formed on the bottom surface of the upper flange, an upper sealing gasket is arranged between the upper flange and the top surface of the high-pressure porcelain sleeve, inverted V-shaped pressing protrusions matched with the inverted V-shaped, the inverted V-shaped abutting bulge of the upper sealing gasket is clamped in the inverted V-shaped abutting groove.
2. The hermetically sealed type discharge coil according to claim 1, characterized in that: the edge of the joint of the lower flange and the high-voltage porcelain bushing is filled with a lower sealant, and the edge of the joint of the upper flange and the high-voltage porcelain bushing is filled with an upper sealant.
3. The hermetically sealed type discharge coil according to claim 2, characterized in that: still be provided with the protective cover on the oil tank body, the protective cover is in the outside of ripple inflation piece.
4. The totally enclosed type discharge coil according to claim 3, wherein: the depth of the V-shaped sealing groove and the inverted V-shaped pressing groove is 1-1.5 mm.
5. The totally enclosed type discharge coil according to claim 4, wherein: the thickness of the lower sealant and the upper sealant is 1.5-2 mm.
6. The totally enclosed type discharge coil according to claim 5, wherein: the upper sealing glue and the lower sealing glue are made of silica gel rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022588007.3U CN213519423U (en) | 2020-11-10 | 2020-11-10 | Full-sealed discharge coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022588007.3U CN213519423U (en) | 2020-11-10 | 2020-11-10 | Full-sealed discharge coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213519423U true CN213519423U (en) | 2021-06-22 |
Family
ID=76422728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022588007.3U Active CN213519423U (en) | 2020-11-10 | 2020-11-10 | Full-sealed discharge coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213519423U (en) |
-
2020
- 2020-11-10 CN CN202022588007.3U patent/CN213519423U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104355004B (en) | Sealing device and its installation method between a kind of external floating top tank floating plate and tank skin | |
| CN213519423U (en) | Full-sealed discharge coil | |
| CN209216792U (en) | A kind of compensation capacitor pressure relief | |
| CN203573778U (en) | Sealing device of transformer oil tank | |
| CN104074448A (en) | Sealing structure of access door cover | |
| CN106098975A (en) | Battery bag | |
| CN105405649A (en) | Waterproof capacitor | |
| CN212317914U (en) | Blowout prevention wellhead packing box | |
| CN206931491U (en) | A kind of built-in capacitor with explosion prevention function | |
| CN105957665A (en) | Direct-connection type flange for 66KV compounded external insulating arrester | |
| CN208352135U (en) | A kind of capacitor seal rubber plug | |
| CN201805206U (en) | Plug-type cable terminal device | |
| CN216565633U (en) | Ceramic tile, electric blanket graphite alkene electric heating film | |
| CN111746950A (en) | High-efficiency oil-free air sealing device for floating roof storage tank | |
| CN215731165U (en) | Oil-immersed three-phase transformer | |
| CN111483712B (en) | Sealing device for secondary sealing of outer floating roof storage tank and outer floating roof storage tank | |
| CN217507023U (en) | Lightning arrester with replaceable end cover and resistance disc | |
| CN213958791U (en) | High-reliability capacitor sealing terminal structure | |
| CN218731598U (en) | Battery cover plate and battery | |
| CN212004431U (en) | Safety valve spring | |
| CN206602065U (en) | A kind of disconnecting switch | |
| CN103779133B (en) | Puffer-type high-voltage relay | |
| CN214331606U (en) | Pressure relief seal head | |
| CN206918245U (en) | A kind of sealing ring | |
| CN215673571U (en) | Anti-deformation rubber sealing element |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fully sealed discharge coil Effective date of registration: 20220613 Granted publication date: 20210622 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Wenzhou Lucheng Tengqiao small and micro franchise sub branch Pledgor: WENZHOU KAITAI SPECIAL ELECTRICAL APPLIANCE Co.,Ltd. Registration number: Y2022330000934 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210622 Pledgee: Zhejiang Tailong Commercial Bank Co.,Ltd. Wenzhou Lucheng Tengqiao small and micro franchise sub branch Pledgor: WENZHOU KAITAI SPECIAL ELECTRICAL APPLIANCE Co.,Ltd. Registration number: Y2022330000934 |