CN2583773Y - Dry high voltage casing - Google Patents
Dry high voltage casing Download PDFInfo
- Publication number
- CN2583773Y CN2583773Y CN 02233012 CN02233012U CN2583773Y CN 2583773 Y CN2583773 Y CN 2583773Y CN 02233012 CN02233012 CN 02233012 CN 02233012 U CN02233012 U CN 02233012U CN 2583773 Y CN2583773 Y CN 2583773Y
- Authority
- CN
- China
- Prior art keywords
- flange
- sleeve pipe
- core body
- silicon rubber
- dry
- 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
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 13
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000004020 conductor Substances 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 18
- 229920000715 Mucilage Polymers 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000027455 binding Effects 0.000 claims description 7
- 238000009739 binding Methods 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000005470 impregnation Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000012779 reinforcing material Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 2
- 239000011152 fibreglass Substances 0.000 abstract 1
- 229910052573 porcelain Inorganic materials 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000009422 external insulation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
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- Insulators (AREA)
Abstract
The utility model discloses a dry high voltage casing, which is composed of a current conductor 1, capacitance type insulating core body 2, a flange 5, a silicon rubber shed 6, etc. The utility model is characterized in that the current conductor 1 is directly coated by the capacitance type insulating core body 2 which is formed by that high-strength insulating resin is impregnated with fiber and a conducting film layer; the capacitance type insulating core body 2 self has high mechanical strength needless of a porcelain casing or a glass reinforced plastic cylinder; the exterior of the capacitance type insulating core body 2 is directly cemented with the flange 5 and the silicon rubber shed 6. The high voltage casing of the type has the advantages of simple structure and full dry type structure without oil leakage and fire hazard.
Description
The utility model relates to a kind of bushing, particularly adopts solid insulation, is used for the dry-type high-voltage sleeve pipe of high voltage electric power equip ment or usefulness through walls.
At present, 35kV and above bushing are usually designed to the condenser bushing with capacitor voltage equalizing structure.This be because: from insulation system, bushing has the strongest electric field strength for typically having the structure of strong vertical component Electric Field Distribution near its earth electrode, begin to take place gliding spark discharge from earth electrode easily, causes edge flashing or insulation breakdown.Condenser bushing can address this problem.Chinese utility model patent specification such as the CN2175479Y that announced on August 24th, 1994 discloses a kind of like this bushing.This sleeve pipe is made up of conductive cores, electrode layer, insulating barrier, oversheath etc., it is characterized in that alternately looping insulating barrier, electrode layer are until end layer electrode successively outside conductive cores, and oversheath is fixed on outside the layer electrode layer of end.This molded cannula is owing to utilize capacitance structure to force all to press, efficiently solve bushing along face voltage skewness problem, increased substantially creeping discharge voltage.Yet the electric capacity core body of condenser bushing is generally " oil-paper-aluminium foil " or " plastic film-aluminium foil " structure, only as the electric insulation structure, can not bear the mechanical load of sleeve pipe.The mechanical load of traditional paper oil insulation bushing is born by the insulator (or glass fibre reinforced plastic cylinder) of external of capacitance core; And the disclosed bushing of CN2175479Y utility model patent, its mechanical load is born by the stainless steel tube (or pipe of other non-magnet_conductible material making) of electric capacity core body the inside.The sleeve pipe of these two kinds of patterns is compared, and usually preceding a kind of mechanical strength is better, but complex structure; A kind of structure in back is simpler, but mechanical strength is relatively poor.
The purpose of this utility model is to overcome the shortcoming of above prior art, a kind of dry-type high-voltage sleeve pipe is provided, the capacitor type insulating core body of this bushing adopts " thermoplastic resin-impregnated fibers-conductive film layer " structure, insulating resin solidifies the back self can reach very high mechanical strength, can take on simultaneously and bear electric insulation and mechanical load dual role.Like this, just can save the outer insulator (or glass fibre reinforced plastic cylinder), stainless steel tube (or other non-magnet_conductible material make pipe) of two kinds of sleeve pipes of prior art, under the prerequisite that guaranteed performance requires, reach simplified structure, improved the purpose of reliability.
For achieving the above object, the utility model dry-type high-voltage sleeve pipe coats Ampereconductors with the capacitor type insulation core body, the capacitor type insulating core body is mainly made by the high strength insulating resin impregnation of fibers reinforcing material that can solidify, and also will make some conductive film layers of all pressing usefulness (being called capacitance plate) with electric conducting material every certain thickness during making; These capacitance plates can adopt can with the metal forming of insulating resin secure bond, also can make of curable electroconductive resin.The capacitor type insulating core body of Zhi Zuoing after the high strength insulating resin solidifies, can reach very high mechanical strength like this; Simultaneously, owing to all pressures effect of capacitance plate, can increase substantially the flashover voltage and the puncture voltage of sleeve pipe.
After the capacitor type insulating core body completed, mucilage binding metal flange outside the last layer capacitance screen was installed the silicon rubber full skirt according to the requirement of external insulation leakage distance at last, and utilized good gluing of silicon rubber and sealing property that the capacitor type insulating core body is coated, seals.
Adopt said structure, because the capacitor type insulating core body adopts the high strength insulating resin to make, and adding fibre reinforced materials, make itself have high mechanical properties, therefore can save outer insulator (or glass fibre reinforced plastic cylinder), the stainless steel tube (or pipe of other non-magnet_conductible material making) of the sleeve pipe of producing with prior art, simplify the structure of sleeve pipe, thereby improved its operational reliability.
From the above, the utility model dry-type high-voltage sleeve pipe is made up of Ampereconductors, capacitor type insulating core body, flange, silicon rubber full skirt etc.Be characterized in: the capacitor type insulating core body that directly coats Ampereconductors adds conductive film layer by the high-intensity resin impregnation of fibers to be made, and self has high mechanical properties, its outer directly mucilage binding flange and silicon rubber full skirt.
As a kind of distortion of the present utility model, the last layer capacitance screen directly with the flange mucilage binding, also mucilage binding is firm and increase one deck insulation between them, and current potential is shielded at the end passes insulating barrier with insulated conductor and draw, in jacket exterior and flange coupling.
As a kind of distortion of the present utility model, flange is changed the structure that becomes to have iron core and secondary winding, can forming sleeves formula current transformer, be used for current measurement or relaying protection.
As a kind of distortion of the present utility model, with shortening of flange upside (or downside), form the short-tail sleeve pipe, and can omit the silicon rubber full skirt of this side along the face insulated lengths, be used for transformer or SF
6The outlet of insulated electrical equipment.
In sum, the utility model has the advantages that: the capacitor type insulating core body adds conductive film layer by the high-intensity resin impregnation of fibers to be made, and self has high mechanical properties, as the parts of bearing electric main insulation and mechanical load.
Below in conjunction with accompanying drawing the utility model is described in further detail.
The utility model dry-type high-voltage sleeve pipe is made up of Ampereconductors 1, capacitor type insulating core body 2, flange 5, silicon rubber full skirt 6 etc.Ampereconductors 1 can adopt electrician's copper rod (pipe) or electrician's aluminium bar (pipe), also can adopt the conductor in flat cross section, but it should be processed into the cross section for circular or oval (such as overlapping a metal tube in the outside, or with methods such as electroconductive resin processing), capacitor type insulating core body 2 directly is coated on the Ampereconductors 1.Capacitor type insulating core body 2 main bodys are high strength insulating resin impregnation of fibers materials, and body making is made conductive film layer 3 (electric screen in the middle of being called) during to different-thickness, and the last layer conductive film layer 4 is called last electric screen.With electroconductive resin with flange 5 mucilage bindings outside last electric screen.External insulation part requires bonding silicone rubber full skirt 6 according to leakage distance, and with the two ends of silicon rubber full skirt 6 respectively with Ampereconductors 1 and flange 5 gluings, sealing.
As a kind of distortion of the present utility model, last electric screen 4 directly with flange 5 mucilage bindings, and in the middle of their, increase one deck insulation, and the current potential of last electric screen 4 passed insulating barrier with insulated conductor draw, in jacket exterior and flange 5 connections.
As a kind of distortion of the present utility model, flange 5 is changed the structure that becomes to have iron core and secondary winding, can forming sleeves formula current transformer, be used for current measurement or relaying protection.
As a kind of distortion of the present utility model, with shortening of flange 5 one sides, form the short-tail sleeve pipe, and can omit the silicon rubber full skirt of this side along the face insulated lengths, be used for transformer or SF
6The outlet of insulated electrical equipment.
Claims (6)
1. dry-type high-voltage sleeve pipe, it is made up of Ampereconductors (1), capacitor type insulating core body (2), flange (5), silicon rubber full skirt (6) etc.It is characterized in that: the outer capacitor type insulating core body (2) that directly coats rigidity of Ampereconductors (1), described capacitor type insulating core body (2) outer closely mucilage binding flange (5) and silicon rubber full skirt (6), one end of described silicon rubber full skirt (6) and Ampereconductors (1) are closely glued, and the other end of described silicon rubber full skirt (6) and flange (5) are closely glued.
2. dry-type high-voltage sleeve pipe as claimed in claim 1 is characterized in that: capacitor type insulating core body (2) is by bearing the voltage on the sleeve pipe and mechanically stressed high strength insulating resin impregnation of fibers reinforcing material adds conductive film layer (3) and last electric screen (4) is formed.
3. dry-type high-voltage sleeve pipe as claimed in claim 1 is characterized in that: between last electric screen (4) and the flange (5) layer insulating is arranged, the current potential of last electric screen (4) passes insulating barrier with insulated conductor and draws, and connects in jacket exterior and flange (5).
As claim 1 to the described dry-type high-voltage sleeve pipe of claim 3, it is characterized in that: flange (5) is for having structure iron core and secondary winding, that be used for current measurement and relaying protection.
As claim 1 to the described dry-type high-voltage sleeve pipe of claim 3, it is characterized in that: the insulated lengths of flange (5) one sides is shorter than the insulated lengths of opposite side.
As claim 1 to the described dry-type high-voltage sleeve pipe of claim 3, it is characterized in that: the non-caked silicon rubber full skirt of a side of flange (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233012 CN2583773Y (en) | 2002-04-19 | 2002-04-19 | Dry high voltage casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02233012 CN2583773Y (en) | 2002-04-19 | 2002-04-19 | Dry high voltage casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2583773Y true CN2583773Y (en) | 2003-10-29 |
Family
ID=33708253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02233012 Expired - Fee Related CN2583773Y (en) | 2002-04-19 | 2002-04-19 | Dry high voltage casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2583773Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101331561B (en) * | 2005-12-14 | 2011-08-03 | Abb研究有限公司 | High-voltage bushing |
| EP2431983A1 (en) * | 2010-09-21 | 2012-03-21 | ABB Technology AG | High voltage bushing and method for manufacturing same |
| CN102412450A (en) * | 2010-09-17 | 2012-04-11 | 仝志红 | Novel dry-type capacitance insulation outgoing line sleeve |
| CN102709776A (en) * | 2012-05-23 | 2012-10-03 | 浙江同益电力设备有限公司 | Composite sleeve processing method |
| CN104538133A (en) * | 2014-12-03 | 2015-04-22 | 常州市拓源电缆成套有限公司 | Capacitance type composite insulating bush |
| CN106099794A (en) * | 2016-08-22 | 2016-11-09 | 江苏智达高压电气有限公司 | A kind of ultrahigh voltage direct current wall bushing |
| WO2017067494A1 (en) * | 2015-10-23 | 2017-04-27 | 北京瑞恒新源投资有限公司 | Multifunctional capacitance type sleeve having vacuum arc-extinguishing chamber |
-
2002
- 2002-04-19 CN CN 02233012 patent/CN2583773Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101331561B (en) * | 2005-12-14 | 2011-08-03 | Abb研究有限公司 | High-voltage bushing |
| CN102412450A (en) * | 2010-09-17 | 2012-04-11 | 仝志红 | Novel dry-type capacitance insulation outgoing line sleeve |
| EP2431983A1 (en) * | 2010-09-21 | 2012-03-21 | ABB Technology AG | High voltage bushing and method for manufacturing same |
| CN102709776A (en) * | 2012-05-23 | 2012-10-03 | 浙江同益电力设备有限公司 | Composite sleeve processing method |
| CN102709776B (en) * | 2012-05-23 | 2014-06-04 | 浙江同益电力设备有限公司 | Composite sleeve processing method |
| CN104538133A (en) * | 2014-12-03 | 2015-04-22 | 常州市拓源电缆成套有限公司 | Capacitance type composite insulating bush |
| WO2017067494A1 (en) * | 2015-10-23 | 2017-04-27 | 北京瑞恒新源投资有限公司 | Multifunctional capacitance type sleeve having vacuum arc-extinguishing chamber |
| CN106611680A (en) * | 2015-10-23 | 2017-05-03 | 北京瑞恒新源投资有限公司 | A multifunctional capacitance-type bushing with a vacuum arc-extinguishing chamber |
| CN106611680B (en) * | 2015-10-23 | 2019-08-23 | 北京瑞恒新源投资有限公司 | Multifunctional capacitor molded cannula with vacuum interrupter |
| US10453633B2 (en) | 2015-10-23 | 2019-10-22 | Beijing Ruiheng Xinyuan Investment Co., Ltd | Multifunctional capacitive-type sleeve with vacuum arc-extinguishing chamber |
| CN106099794A (en) * | 2016-08-22 | 2016-11-09 | 江苏智达高压电气有限公司 | A kind of ultrahigh voltage direct current wall bushing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG QILIN ELECTRIC DEPARTMENT ELECTRIC POWER Free format text: FORMER OWNER: FANG JING Effective date: 20050812 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20050812 Address after: 255086 Qi Lin Industrial Zone, Zibo Development Zone, Shandong, China Patentee after: Shandong Chilintec Electric Equipment Manufacture Co., Ltd. Address before: 100011, Beijing, Xicheng District six shop kang District 12 Building No. 3-103 Patentee before: Fang Jing |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031029 Termination date: 20110419 |