CN204558229U - A kind of epoxy resin pouring shielding isolating voltage mutual inductor - Google Patents
A kind of epoxy resin pouring shielding isolating voltage mutual inductor Download PDFInfo
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- CN204558229U CN204558229U CN201520287844.9U CN201520287844U CN204558229U CN 204558229 U CN204558229 U CN 204558229U CN 201520287844 U CN201520287844 U CN 201520287844U CN 204558229 U CN204558229 U CN 204558229U
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- winding
- secondary winding
- epoxy resin
- iron core
- mutual inductor
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Abstract
The utility model provides a kind of epoxy resin pouring to shield isolating voltage mutual inductor; comprise housing, iron core, winding, two secondary winding; winding, secondary winding are set to the both sides of iron core respectively; two secondary winding are respectively protective winding, measure winding; outsourcing circle copper foil layer in secondary winding, secondary winding and be provided with epoxy resin layer between described copper foil layer and a described winding.In the utility model, iron core adopts high-quality height magnetic conduction low-loss cold rolled grain grain-oriented Si steel sheet to manufacture, and reduces magnetic flux density, improves the degree of saturation of magnetic property during overvoltage, can bear the high voltage that relatively short circuit produces in a long time; The shaping full-enclosed structure of the disposal pouring that the utility model middle shell is made up of epoxy resin, has the advantage of high accuracy, tolerance outdoor environment, uvioresistant impact; The utility model structure is simple, and insulation system is reasonable, substantially increases the operational reliability of product.
Description
Technical field
The utility model belongs to instrument transformer technical field, especially relates to a kind of epoxy resin pouring shielding isolating voltage mutual inductor.
Background technology
The voltage of voltage transformer on conversion line; object is mainly used for powering to measuring instrument and protective relaying device; be used for the voltage of measurement circuitry, power and electric energy, or be used for expensive equipment, motor and the transformer when line failure in protection circuit.Existing outdoor type voltage transformer, the winding in instrument transformer disturbs mutually, and shielding isolation effect is poor, causes the problem that precision is not high, and the insulation crust of instrument transformer tolerates outdoor environment and anti-uv-ray is poor, there is certain potential safety hazard.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of shielding isolating voltage mutual inductor, and this voltage transformer structure is simple, and insulation system is reasonable, and has resonance resisting capacity and resistance to overvoltage ability, substantially increases the operational reliability of product.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of epoxy resin pouring shielding isolating voltage mutual inductor, comprise housing, iron core, a winding, two secondary winding, supporting bracket is provided with below described housing, a described winding, described secondary winding is set to the both sides of described iron core respectively, two described secondary winding are respectively protective winding, measure winding, outsourcing circle copper foil layer in described secondary winding, described secondary winding and be provided with epoxy resin layer between described copper foil layer and a described winding, a described winding is connected with a winding input wires terminal, described housing is provided with binding post, the exposed metal connection seat had with locking nut in described binding post top, a described winding input wires terminal is connected with described binding post by lead-in wire, described secondary winding is connected with described secondary winding binding post, it is inner that described secondary winding binding post is arranged at secondary winding connecting terminal box, described secondary wiring terminals box is arranged on described housing side.
Described iron core is R type silicon sheet core, and described iron core surface is provided with insulating resin layer.
The housing of the shielding isolating voltage mutual inductor of described improvement is the shaping full-enclosed structure of disposal pouring, and described housing makes isolation material by outdoor type epoxy resin.
The voltage class ranges 10kV-220kV that described shielding isolating voltage mutual inductor is suitable for.
In the utility model, iron core adopts high-quality height magnetic conduction low-loss cold rolled grain grain-oriented Si steel sheet to manufacture, and reduces magnetic flux density, improves the degree of saturation of magnetic property during overvoltage, can bear the high voltage that relatively short circuit produces in a long time; The shaping full-enclosed structure of the disposal pouring that the utility model middle shell is made up of epoxy resin, has the advantage of high accuracy, tolerance outdoor environment, uvioresistant impact; The utility model structure is simple, and insulation system is reasonable, is applicable to 10kV-220kV voltage class ranges, and has resonance resisting capacity and resistance to overvoltage ability, substantially increase the operational reliability of product.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
In figure: 1, metal connection seat 2, winding input wires terminal 3, protective winding 4, measure winding 5, copper foil layer 6, secondary winding binding post 7, iron core 8, epoxy resin layer 9, housing 10, winding 11, line bag radome 12, supporting bracket
Embodiment
Embodiment 1
The utility model provides a kind of epoxy resin pouring to shield isolating voltage mutual inductor, comprise housing 9, iron core 7, a winding 10, two secondary winding, supporting bracket 12 is provided with below housing 9, a winding 10, secondary winding is set to the both sides of iron core 7 respectively, two secondary winding are respectively protective winding 3, measure winding 4, protective winding 3, outsourcing circle copper foil layer 5 in measure winding 4, protective winding 3, measure winding 4 and be provided with epoxy resin layer between copper foil layer 5 and a winding 10, one time winding 10 is connected with a winding input wires terminal 2, housing 9 is provided with binding post, one time winding 10 input wires terminal is connected with binding post by lead-in wire, the exposed metal connection seat 1 had with locking nut in binding post top, secondary winding is connected with secondary winding binding post 6, it is inner that secondary winding binding post 6 is arranged at secondary winding connecting terminal box, secondary wiring terminals box is arranged on housing 9 side.
Embodiment 2
A kind of epoxy resin pouring shielding isolating voltage mutual inductor, comprise housing 9, iron core 7, winding 10, two secondary winding, supporting bracket 12 is provided with below housing 9, iron core 7 is R type silicon sheet core, iron core 7 is made for high-quality permeability magnetic material, reduces magnetic flux density, improves the degree of saturation of magnetic property during overvoltage, the high voltage that relatively short circuit produces can be born in a long time, substantially increase the operational reliability of product, a winding 10, secondary winding is set to the both sides of iron core 7 respectively, two secondary winding are respectively protective winding 3, measure winding 4, protective winding 3, outsourcing circle copper foil layer 5 in measure winding 4, protective winding 3, measure winding 4 and be provided with epoxy resin layer between copper foil layer 5 and a winding 10, one time winding 10 is connected with a winding input wires terminal 2, housing 9 is provided with binding post, one time winding 10 input wires terminal is connected with binding post by lead-in wire, the exposed metal connection seat 1 had with locking nut in binding post top, secondary winding is connected with secondary winding binding post 6, it is inner that secondary winding binding post 6 is arranged at secondary winding connecting terminal box, secondary wiring terminals box is arranged on housing 9 side.
Embodiment 3
As shown in Figure 1, a kind of epoxy resin pouring shielding isolating voltage mutual inductor, comprise housing 9, iron core 7, winding 10, two secondary winding, housing 9 is by the shaping full-enclosed structure of outdoor type epoxy resin disposal pouring, play and well shield isolation effect, there is the characteristic that precision is high, can tolerate outdoor environment, uvioresistant impact, supporting bracket 12 is provided with below housing 9, iron core 7 is R type silicon sheet core, a winding 10, secondary winding is set to the both sides of iron core 7 respectively, two secondary winding are respectively protective winding 3, measure winding 4, protective winding 3, in measure winding 4, outsourcing circle copper foil layer 5 is as electrostatic screen layer, protective winding 3, measure winding 4 and be provided with epoxy resin layer between copper foil layer 5 and a winding 10, hookup wire bag radome 11 outside a winding 10, play all pressure effects, one time winding 10 is connected with a winding input wires terminal 2, housing 9 is provided with binding post, one time winding 10 input wires terminal is connected with binding post by lead-in wire, the exposed metal connection seat 1 had with locking nut in binding post top, secondary winding is connected with secondary winding binding post 6, it is inner that secondary winding binding post 6 is arranged at secondary winding connecting terminal box, secondary wiring terminals box is arranged on housing 9 side.
Embodiment 4
A kind of epoxy resin pouring shielding isolating voltage mutual inductor, comprise housing 9, iron core 7, a winding 10, two secondary winding, housing 9 is by the shaping full-enclosed structure of outdoor type epoxy resin disposal pouring, play and well shield isolation effect, supporting bracket 12 is provided with below housing 9, iron core 7 is R type silicon sheet core, a winding 10, secondary winding is set to the both sides of iron core 7 respectively, two secondary winding are respectively protective winding 3, measure winding 4, protective winding 3, outsourcing circle copper foil layer 5 in measure winding 4, protective winding 3, measure winding 4 and be provided with epoxy resin layer between copper foil layer 5 and a winding 10, one time winding 10 is connected with a winding input wires terminal 2, housing 9 is provided with binding post, one time winding 10 input wires terminal is connected with binding post by lead-in wire, the exposed metal connection seat 1 had with locking nut in binding post top, secondary winding is connected with secondary winding binding post 6, it is inner that secondary winding binding post 6 is arranged at secondary winding connecting terminal box, secondary wiring terminals box is arranged on housing 9 side.
The voltage class ranges 10kV-220kV that this shielding isolating voltage mutual inductor is suitable for.
In the utility model, iron core adopts high-quality height magnetic conduction low-loss cold rolled grain grain-oriented Si steel sheet to manufacture, reduce magnetic flux density, improve the degree of saturation of magnetic property during overvoltage, the high voltage that relatively short circuit produces can be born in a long time, substantially increase the operational reliability of product, iron core surface adopts insulating epoxy sealing to play moistureproof antirust effect; The shaping full-enclosed structure of the disposal pouring that the utility model middle shell is made up of epoxy resin, has the advantage of high accuracy, tolerance outdoor environment, uvioresistant impact; The utility model structure is simple, and insulation system is reasonable, is applicable to 10kV-220kV voltage class ranges, and has resonance resisting capacity and resistance to overvoltage ability, substantially increase the operational reliability of product.
Above several embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (4)
1. an epoxy resin pouring shielding isolating voltage mutual inductor, it is characterized in that: comprise housing, iron core, a winding, two secondary winding, supporting bracket is provided with below described housing, a described winding, described secondary winding is set to the both sides of described iron core respectively, two described secondary winding are respectively protective winding, measure winding, outsourcing circle copper foil layer in described secondary winding, described secondary winding and be provided with epoxy resin layer between described copper foil layer and a described winding, a described winding is connected with a winding input wires terminal, described housing is provided with binding post, the exposed metal connection seat had with locking nut in described binding post top, a described winding input wires terminal is connected with described binding post by lead-in wire, described secondary winding is connected with described secondary winding binding post, it is inner that described secondary winding binding post is arranged at secondary winding connecting terminal box, described secondary wiring terminals box is arranged on described housing side.
2. a kind of epoxy resin pouring shielding isolating voltage mutual inductor according to claim 1, is characterized in that: described iron core is R type silicon sheet core, and described iron core surface is provided with insulating resin layer.
3. a kind of epoxy resin pouring shielding isolating voltage mutual inductor according to claim 1, it is characterized in that: the housing of the shielding isolating voltage mutual inductor of described improvement is the shaping full-enclosed structure of disposal pouring, and described housing makes isolation material by outdoor type epoxy resin.
4. a kind of epoxy resin pouring shielding isolating voltage mutual inductor according to claim 1, is characterized in that: the voltage class ranges 10kV-220kV that described shielding isolating voltage mutual inductor is suitable for.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520287844.9U CN204558229U (en) | 2015-05-07 | 2015-05-07 | A kind of epoxy resin pouring shielding isolating voltage mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520287844.9U CN204558229U (en) | 2015-05-07 | 2015-05-07 | A kind of epoxy resin pouring shielding isolating voltage mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204558229U true CN204558229U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520287844.9U Expired - Fee Related CN204558229U (en) | 2015-05-07 | 2015-05-07 | A kind of epoxy resin pouring shielding isolating voltage mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204558229U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869874A (en) * | 2016-06-06 | 2016-08-17 | 柳州市海格电气有限公司 | Manufacturing method for 10-kV dry-type transformer |
| CN106384656A (en) * | 2016-12-08 | 2017-02-08 | 天津市百利纽泰克电气科技有限公司 | Shielding structure of voltage transformer |
| CN111370203A (en) * | 2020-03-06 | 2020-07-03 | 广东得为科技有限公司 | Voltage transformer with high IP protection level |
-
2015
- 2015-05-07 CN CN201520287844.9U patent/CN204558229U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869874A (en) * | 2016-06-06 | 2016-08-17 | 柳州市海格电气有限公司 | Manufacturing method for 10-kV dry-type transformer |
| CN106384656A (en) * | 2016-12-08 | 2017-02-08 | 天津市百利纽泰克电气科技有限公司 | Shielding structure of voltage transformer |
| CN106384656B (en) * | 2016-12-08 | 2018-04-13 | 天津市百利纽泰克电气科技有限公司 | The shielding construction of voltage transformer |
| CN111370203A (en) * | 2020-03-06 | 2020-07-03 | 广东得为科技有限公司 | Voltage transformer with high IP protection level |
| CN111370203B (en) * | 2020-03-06 | 2021-10-26 | 湖北天瑞电子股份有限公司 | Voltage transformer with high IP protection level |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20160507 |