CN201036147Y - Voltage mutual inductor for gas insulation high-tension switch cabinet - Google Patents
Voltage mutual inductor for gas insulation high-tension switch cabinet Download PDFInfo
- Publication number
- CN201036147Y CN201036147Y CNU2007200116728U CN200720011672U CN201036147Y CN 201036147 Y CN201036147 Y CN 201036147Y CN U2007200116728 U CNU2007200116728 U CN U2007200116728U CN 200720011672 U CN200720011672 U CN 200720011672U CN 201036147 Y CN201036147 Y CN 201036147Y
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- China
- Prior art keywords
- voltage
- metal shell
- connection terminal
- switch cabinet
- primary
- 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 - Lifetime
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- 238000009413 insulation Methods 0.000 title claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 238000004804 winding Methods 0.000 claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011810 insulating material Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 230000005684 electric field Effects 0.000 abstract description 5
- 238000013329 compounding Methods 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 description 5
- 229920000647 polyepoxide Polymers 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 3
- 229960000909 sulfur hexafluoride Drugs 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
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- Transformers For Measuring Instruments (AREA)
Abstract
The utility model relates to a current transformator used for a gas insulation high tension switch cabinet, consisting of an iron core, a primary winding sleeved on the iron core, a secondary winding, a primary connection terminal, a primary high-voltage insulating pillar and a secondary connection terminal. An integrated structure is formed by compounding the iron core, the primary winding, the secondary winding, the primary connection terminal, the primary high-voltage insulating pillar and the secondary connection terminal adopting insulant. A metal shell is sealed and arranged on the exterior of the integrated structure and only the high-voltage insulating pillar, which is of a frustum-typed socket structure, stands out on the exterior of the metal shell. Installation holes are arranged on the periphery of the position, which is adjacent to the primary high-voltage insulating pillar on the metal shell body. The utility model can be widely applicable to various circumstances and has the advantages of stable insulation, reliable leakproofing, even distribution of electric field, safe operation, small volume and flexible installation.
Description
Technical field
The utility model relates to the electric power system high-pressure measurement mechanism, specifically a kind of gas-insulated high-voltage switch cabinet voltage transformer.
Background technology
Voltage transformer is a measuring voltage in electric power system or the electric control system, the device of electric energy, at present, in the common high-tension switch cabinet, pattern designs and produces the voltage transformer switch cubicle according to separating independently with the killer switch cabinet, in order to satisfy as high height above sea level, rarefaction of air, particular surroundings instructions for uses such as high humidity, high-tension switch cabinet has been proposed strict electric insulation requirement, and the space that increases high-tension switch cabinet does not blindly adapt to strict complicated specific (special) requirements at all, the special needs design of electricity market development is a kind of does not for this reason have the gas-filled type high-tension switch cabinet that directly contacts with atmosphere, and promptly voltage transformer switch cubicle and breaker cabinet are integral structure; A terminal of a high-pressure conductor element and be correlated with high voltage bus, circuit breaker etc. is distributed in the insulating gas, not influenced by atmosphere and running environment, and does not occur this voltage transformer that is used with gas-insulated switch at present as yet.
The utility model content
Can't satisfy problem in order to solve the prior art middle-high voltage switch as particular surroundings instructions for uses such as high height above sea level, rarefaction of air, high humidities, it is a kind of flexible for installation that the purpose of this utility model is to provide, with the matching used voltage transformer of gas-insulated high-voltage switch cabinet.
For achieving the above object, the technical solution adopted in the utility model is:
The utility model comprises iron core, be sleeved on winding on the iron core and secondary winding, primary connection terminal, High-Voltage Insulation post and secondary connection terminal, described iron core, winding, secondary winding, primary connection terminal, High-Voltage Insulation post and the integrative-structure of secondary connection terminal for being composited by insulating material, this integrative-structure outer enclosure has metal shell, only a High-Voltage Insulation post protrudes in the metal shell outside, be circular cone bench-type female type structure, the periphery with a High-Voltage Insulation post connecting part on the metal shell is provided with installing hole.
High-Voltage Insulation column bottom and metal shell connecting part form groove on metal shell; One time High-Voltage Insulation post root extends to knuckle in groove; Between inside of metal outershell and integrative-structure, be provided with semi-conductive layer.
The utlity model has following beneficial effect and advantage:
1. can be widely used in various environment.The utility model is the totally-enclosed dry construction of forming by epoxy resin and metal shell, high-pressure conductor element and associated components are distributed in the sulphur hexafluoride insulating gas, do not contact with atmospheric environment, can be applicable to the environment of any inclement condition, can't satisfy as particular surroundings instructions for uses such as high height above sea level, rarefaction of air, heavy pollution, high humidities thereby solve existing switch cubicle, be suitable for all model gas-filled type high-tension switch cabinets;
2. insulation is stable, sealing is reliable.It is insulating material that the utility model adopts epoxy resin, and insulation is reliable, and primary connection terminal (high pressure) adopts the electric cable accessories (silently) of terminal cable technology to connect, and insulated enclosure leans on more;
Electric field evenly, handling safety.The inner Electric Field Distribution structural design of optimizing that adopts of the utility model promptly is provided with semi-conductive layer between inside of metal outershell and the insulating material, makes Electric Field Distribution more even, and metal shell can chargedly touch, operation safe;
4. volume is little, flexible for installation.The utility model adopts epoxy resin to carry out sealed insulation, form the integral type sheathed structure with metal shell, volume is little, in light weight, can directly be installed in the gas-filled type high-tension switch cabinet, simple to operate, flexible for installation, effectively save high-tension switch cabinet space and material cost, realized that high-tension switch cabinet is to integration, miniaturization development.
Description of drawings
Fig. 1 is the utility model external structure front view;
Fig. 2 is the utility model external structure left view;
Fig. 3 is the utility model internal structure schematic diagram.
Embodiment
Shown in Fig. 1～3, the utlity model has unshakable in one's determination 1, be sleeved on winding 2 on unshakable in one's determination 1 and secondary winding 3, primary connection terminal 6, a High-Voltage Insulation post 7 and a secondary connection terminal 11, structure is combined into one by insulating material 9 (present embodiment employing epoxy resin) for described 1, winding 2 unshakable in one's determination, secondary winding 3, primary connection terminal 6, High-Voltage Insulation post 7 and secondary connection terminal 11, High-Voltage Insulation post 7 protrudes in the metal shell 5 this integrative-structure except that one time, and all the other all are packaged in the metal shell 5; This High-Voltage Insulation post 7 is a circular cone bench-type female type structure, and the periphery with High-Voltage Insulation post 7 connecting parts on the metal shell 5 is provided with four round installing holes 8; One time High-Voltage Insulation post 7 forms annular grooves with metal shell 5 connecting parts to metal shell 5 inboards, one time High-Voltage Insulation post 7 roots extend to knuckle 12 in annular groove, good sealing effect, also can prevent outside seal connector (as silently) simultaneously when plugging, produce owing to the stress that is subjected to is concentrated and tear the damage phenomenon with High-Voltage Insulation post 7 of this female type; Be provided with semi-conductive layer 10 between inside of metal outershell 5 and the insulating material 9; Secondary connection terminal 11 is positioned at bottom or its inner bottom side of metal shell 5, and this position is provided with the secondary connection lid.
During use, earlier with a High-Voltage Insulation post 7 of the present utility model and the interior silently grafting of gas-insulated high-voltage switch cabinet High-Voltage Insulation part air chamber, by four installing holes 8 on the metal shell 5 and connector the utility model is fixedly installed in the air chamber outside then, charge into sulfur hexafluoride gas after air chamber sealed, promptly finish installation.The utility model is when operation, and its metal shell 5 surfaces are tangible, and operation does not have dangerous.
The utility model is a kind of metal armouring female type voltage transformer; a kind of new product of wanting specific (special) requirements according to national standard and gas-filled type switch cubicle fully and designing; employing rolls iron core; utilize the electromagnetic conversion principle; make secondary voltage can reflect the situation of change of primary voltage exactly, use as voltage measurement and relaying protection.Product insulation is stable, good airproof performance, suitable environment is extensive, volume is little; Improve the reliability of power supply greatly, adopt the cable termination technology can directly be installed in the sulphur hexafluoride gas-filled type switch cubicle, realize switch cubicle integration, miniaturization development.
Claims (4)
1. gas-insulated high-voltage switch cabinet voltage transformer, comprise iron core, be sleeved on winding and secondary winding on the iron core, the primary connection terminal, High-Voltage Insulation post and secondary connection terminal, it is characterized in that: described iron core (1), a winding (2), secondary winding (3), primary connection terminal (6), a High-Voltage Insulation post (7) and secondary connection terminal (11) integrative-structure for being composited by insulating material (9), this integrative-structure outer enclosure has metal shell (5), only a High-Voltage Insulation post (7) protrudes in metal shell (5) outside, be circular cone bench-type female type structure, metal shell (5) is gone up and the periphery of a High-Voltage Insulation post (7) connecting part is provided with installing hole (8).
2. by the described gas-insulated high-voltage switch cabinet of claim 1 voltage transformer, it is characterized in that: a High-Voltage Insulation post (7) bottom is gone up at metal shell (5) with metal shell (5) connecting part and is formed groove.
3. by the described gas-insulated high-voltage switch cabinet of claim 2 voltage transformer, it is characterized in that: a High-Voltage Insulation post (7) root extends to knuckle (12) in groove.
4. by the described gas-insulated high-voltage switch cabinet of claim 1 voltage transformer, it is characterized in that: between metal shell (5) inboard and integrative-structure, be provided with semi-conductive layer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200116728U CN201036147Y (en) | 2007-04-13 | 2007-04-13 | Voltage mutual inductor for gas insulation high-tension switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200116728U CN201036147Y (en) | 2007-04-13 | 2007-04-13 | Voltage mutual inductor for gas insulation high-tension switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201036147Y true CN201036147Y (en) | 2008-03-12 |
Family
ID=39197036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200116728U Expired - Lifetime CN201036147Y (en) | 2007-04-13 | 2007-04-13 | Voltage mutual inductor for gas insulation high-tension switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201036147Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877273A (en) * | 2010-04-19 | 2010-11-03 | 郑文秀 | Voltage transformer |
| CN101877274A (en) * | 2010-04-19 | 2010-11-03 | 郑文秀 | Dry-type voltage transformer |
| CN102867636A (en) * | 2012-09-17 | 2013-01-09 | 熊江咏 | Electronic voltage transformer matching with high-voltage GIS |
| CN103151156A (en) * | 2013-03-27 | 2013-06-12 | 湖南大北互互感器有限公司 | Indoor single phase grounded voltage transformer with high precision and adjustable transformation ratio |
| CN103578725A (en) * | 2012-07-20 | 2014-02-12 | 大连第一互感器有限责任公司 | Dry type voltage transformer for switchgear |
| CN104051134A (en) * | 2014-06-19 | 2014-09-17 | 国家电网公司 | Transformer outgoing line device |
| CN105957702A (en) * | 2016-07-06 | 2016-09-21 | 江苏科兴电器有限公司 | Outdoor metal armoured type voltage transformer |
| CN106373720A (en) * | 2016-11-07 | 2017-02-01 | 湖南大北互互感器有限公司 | Intermediate transformer of capacitor voltage transformer electromagnetic unit |
| CN107464679A (en) * | 2017-09-15 | 2017-12-12 | 苏州正罡互感器有限公司 | A kind of voltage transformer by the use of fluorinated mixed gas as dielectric |
| WO2018157472A1 (en) * | 2017-02-28 | 2018-09-07 | 南通壹选工业设计有限公司 | Detachable voltage transformer |
| CN120497020A (en) * | 2025-07-18 | 2025-08-15 | 银河电气科技有限公司 | Outdoor metal armoured voltage transformer for locomotive |
-
2007
- 2007-04-13 CN CNU2007200116728U patent/CN201036147Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877274A (en) * | 2010-04-19 | 2010-11-03 | 郑文秀 | Dry-type voltage transformer |
| CN101877273A (en) * | 2010-04-19 | 2010-11-03 | 郑文秀 | Voltage transformer |
| CN103578725B (en) * | 2012-07-20 | 2016-04-13 | 大连第一互感器有限责任公司 | Dry type voltage transformer for switchgear |
| CN103578725A (en) * | 2012-07-20 | 2014-02-12 | 大连第一互感器有限责任公司 | Dry type voltage transformer for switchgear |
| CN102867636A (en) * | 2012-09-17 | 2013-01-09 | 熊江咏 | Electronic voltage transformer matching with high-voltage GIS |
| CN103151156A (en) * | 2013-03-27 | 2013-06-12 | 湖南大北互互感器有限公司 | Indoor single phase grounded voltage transformer with high precision and adjustable transformation ratio |
| CN104051134A (en) * | 2014-06-19 | 2014-09-17 | 国家电网公司 | Transformer outgoing line device |
| CN105957702A (en) * | 2016-07-06 | 2016-09-21 | 江苏科兴电器有限公司 | Outdoor metal armoured type voltage transformer |
| CN106373720A (en) * | 2016-11-07 | 2017-02-01 | 湖南大北互互感器有限公司 | Intermediate transformer of capacitor voltage transformer electromagnetic unit |
| CN106373720B (en) * | 2016-11-07 | 2018-06-01 | 湖南大北互互感器有限公司 | A kind of intermediate transformer of capacitance type potential transformer electromagnetic unit |
| WO2018157472A1 (en) * | 2017-02-28 | 2018-09-07 | 南通壹选工业设计有限公司 | Detachable voltage transformer |
| CN107464679A (en) * | 2017-09-15 | 2017-12-12 | 苏州正罡互感器有限公司 | A kind of voltage transformer by the use of fluorinated mixed gas as dielectric |
| CN120497020A (en) * | 2025-07-18 | 2025-08-15 | 银河电气科技有限公司 | Outdoor metal armoured voltage transformer for locomotive |
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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: SHENYANG HIGH VOLTAGE COMPLETE SWITCHGEAR CO., LTD Free format text: FORMER OWNER: DALIAN BEIFANG MUTUAL INDUCTOR CO., LTD. Effective date: 20110630 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 116203 DALIAN NORTH INSTRUMENT TRANSFORMER CO., LTD., FENGRONG OFFICE, PULANDIAN CITY, DALIAN CITY, LIAONING PROVINCE TO: 110031 NO. 206-66, HUANGHE NORTH STREET, YUHONG DISTRICT, SHENYANG CITY, LIAONING PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110630 Address after: 110031, 206-66 North Main Street, Yuhong District, Shenyang, Liaoning, the Yellow River Patentee after: Shenyang High Voltage Complete Switchgear Co., Ltd. Address before: 116203, Liaoning, Pulandian, Dalian Province Feng Rong office Dalian North Transformer Co., Ltd. Patentee before: Dalian Beifang Transformer Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080312 |