CN208026784U - A kind of explosion-proof type capacitive divider - Google Patents
A kind of explosion-proof type capacitive divider Download PDFInfo
- Publication number
- CN208026784U CN208026784U CN201820554636.4U CN201820554636U CN208026784U CN 208026784 U CN208026784 U CN 208026784U CN 201820554636 U CN201820554636 U CN 201820554636U CN 208026784 U CN208026784 U CN 208026784U
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- capacitive divider
- explosion
- proof type
- upper flange
- porcelain bushing
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Abstract
The utility model discloses a kind of explosion-proof type capacitive dividers, including the porcelain bushing shell between upper flange and lower flange, metal expander and capacitor core are disposed in porcelain bushing shell from top to bottom, the pressure relief valve being provided on upper flange inside connection capacitive divider, the raised pressure of capacitive divider internal abnormality is discharged, hypertonia is avoided to set off an explosion.
Description
Technical field
The utility model belongs to 35~500kV capacitance type potential transformers field, specially a kind of explosion-proof type capacitance partial pressure
Device.
Background technology
In recent years, with the raising of network voltage grade and the development of intelligent grid, since traditional capacitance divider occurs
Abnormal problem cause internal pressure increased dramatically or porcelain bushing shell in metal expander failure when, capacitive divider internal pressure can not
Release causes to explode, and security and stability does not adapt to power network development.Capacitive divider how is set to have explosion prevention function, safety is steady
Qualitative get a promotion is the technical problems to be solved in the utility model.
Invention content
The utility model provides a kind of explosion-proof type capacitive divider aiming at above-mentioned defect.The utility model
Capacitive divider is set to have explosion prevention function, security and stability gets a promotion.
A kind of explosion-proof type capacitive divider technical solution of the utility model is, including the porcelain between upper flange and lower flange
Casing is disposed with metal expander and capacitor core in porcelain bushing shell from top to bottom, and connection capacitance point is provided on upper flange
Pressure relief valve inside depressor discharges the raised pressure of capacitive divider internal abnormality, hypertonia is avoided to set off an explosion.
Filled with insulating oil between capacitive divider internal voids, it to be used for capacitive divider built-in electrical insulation.
Medium-tension bushing is provided on lower flange below capacitor core, medium-tension bushing is by running through laxative remedy inside capacitive divider
Orchid stretches into outside capacitive divider.
Metal expander is fixed below upper flange, compensation oil level volume change caused by variation of ambient temperature.
Insulating oil pouring orifice is provided on upper flange.
Upper flange is provided with sealing ring with porcelain bushing shell junction, and lower flange is provided with sealing ring with porcelain bushing shell junction.
The beneficial effects of the utility model are：Pressure relief valve is installed on capacitive divider top, pressure relief valve is single
It is connected to valve and with capacitive divider good seal, pressure relief valve lower end and capacitive divider inside, upper end and atmosphere,
When internal pressure is more than the customary pressure of porcelain bushing shell, pressure relief valve is open-top by internal pressure, at this time capacitive divider with it is outer
Boundary is connected to, and capacitive divider is discharged by pressure relief valve in built-in electrical insulation oil, plays pressure release action.It can be to avoid capacitance point
The problem of depressor explodes because of the excessive initiation of internal pressure.
Description of the drawings：
Fig. 1 show the basic structure schematic diagram of the utility model.
In figure, 1. pressure relief valves, 2. upper flanges, 3. metal expanders, 4. insulating oils, 5. porcelain bushing shells, 6. capacitor cores,
7. sealing ring, 8. lower flanges, 9. medium-tension bushings.
Specific implementation mode：
The technical side of the utility model is described in detail in the utility model in order to better understand with specific example below
Case, but the utility model is not limited thereto.
Embodiment 1
As shown in Figure of description Fig. 1, a kind of explosion-proof type capacitive divider of the utility model, including upper flange 2 is under
Porcelain bushing shell 5 between flange 8 is disposed with metal expander 3 and capacitor core 6, upper flange 2 in porcelain bushing shell 5 from top to bottom
On be provided with connection capacitive divider inside pressure relief valve 1, discharge the raised pressure of capacitive divider internal abnormality, avoid
Hypertonia sets off an explosion.
Filled with insulating oil 4 between capacitive divider internal voids, it to be used for capacitive divider built-in electrical insulation.
Pressure relief valve 1 is installed on capacitive divider top, pressure relief valve 1 is check valve and is sealed with capacitive divider
Well, it is connected to inside pressure relief valve lower end and capacitive divider, upper end and atmosphere, when internal pressure is more than porcelain bushing shell 5
Customary pressure when, pressure relief valve 1 is open-top by internal pressure, and capacitive divider is in communication with the outside at this time, built-in electrical insulation oil 4 pass through
Capacitive divider is discharged in excess pressure relief valve, plays pressure release action.It can be excessive because of internal pressure to avoid capacitive divider
The problem of causing explosion.
Embodiment 2
A kind of explosion-proof type capacitive divider of the utility model, including the porcelain bushing shell 5 between upper flange 2 and lower flange 8, porcelain
Metal expander 3 and capacitor core 6 are disposed in casing 5 from top to bottom, connection capacitive divider is provided on upper flange 2
Internal pressure relief valve 1 discharges the raised pressure of capacitive divider internal abnormality, hypertonia is avoided to set off an explosion.
Filled with insulating oil 4 between capacitive divider internal voids, it to be used for capacitive divider built-in electrical insulation.
It is provided with medium-tension bushing 9 on the lower flange 8 of 6 lower section of capacitor core, medium-tension bushing 9 inside capacitive divider by running through
Lower flange 8 stretches into outside capacitive divider.
Metal expander 3 is fixed on 2 lower section of upper flange, compensation oil level volume change caused by variation of ambient temperature.
4 hydraulic fluid port of insulating oil note is provided on upper flange 2.
Upper flange 4 is provided with sealing ring 7 with 5 junction of porcelain bushing shell, and lower flange 8 is provided with sealing with 5 junction of porcelain bushing shell
Circle 7.
Medium-tension bushing 9 is installed on lower flange 8 first, capacitor core 6 is mounted on lower flange 8, by capacitor core
Line is connected to medium-tension bushing 9, and then porcelain bushing shell 5 is mounted on lower flange 8, and metal expander 3 is mounted on upper flange 2
On, capacitor core line is connected to upper flange 2, upper flange 2 is mounted on porcelain bushing shell 5, then is divided toward capacitance by upper flange 2
Insulating oil 4 is injected in depressor, and finally pressure relief valve 1 is mounted on upper flange 2.
The effect of each parts is as follows：
1, pressure relief valve 1, connection is extraneous with inside capacitive divider, discharges oil pressure.
2, upper flange 2, connecting porcelain bushings pipe and metal expander.
3, metal expander 3, compensation oil level volume change caused by variation of ambient temperature.
4, insulating oil 4, divider built-in electrical insulation.
5, porcelain bushing shell 5, support, shielding action.
6, capacitor core 6 are made of capacity cell, are the cores of divider.
7, sealing ring 7, sealing function.
8, lower flange 8 are connected and fixed effect.
9, medium-tension bushing 9, insulation outlet draw intermediate voltage terminal.
Claims (6)
1. a kind of explosion-proof type capacitive divider, which is characterized in that including the porcelain bushing shell between upper flange and lower flange, in porcelain bushing shell
It is disposed with metal expander and capacitor core from top to bottom, the pressure being provided on upper flange inside connection capacitive divider
Relief valve.
2. a kind of explosion-proof type capacitive divider according to claim 1, which is characterized in that between capacitive divider internal voids
Filled with insulating oil.
3. a kind of explosion-proof type capacitive divider according to claim 1, which is characterized in that the lower flange below capacitor core
On be provided with medium-tension bushing, medium-tension bushing inside capacitive divider through lower flange by stretching into outside capacitive divider.
4. a kind of explosion-proof type capacitive divider according to claim 1, which is characterized in that metal expander is fixed on method
Blue lower section.
5. a kind of explosion-proof type capacitive divider according to claim 1, which is characterized in that be provided with insulating oil on upper flange
Pouring orifice.
6. a kind of explosion-proof type capacitive divider according to claim 1, which is characterized in that upper flange and porcelain bushing shell junction
It is provided with sealing ring, lower flange is provided with sealing ring with porcelain bushing shell junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820554636.4U CN208026784U (en) | 2018-04-18 | 2018-04-18 | A kind of explosion-proof type capacitive divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820554636.4U CN208026784U (en) | 2018-04-18 | 2018-04-18 | A kind of explosion-proof type capacitive divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208026784U true CN208026784U (en) | 2018-10-30 |
Family
ID=63910827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820554636.4U Active CN208026784U (en) | 2018-04-18 | 2018-04-18 | A kind of explosion-proof type capacitive divider |
Country Status (1)
| Country | Link |
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| CN (1) | CN208026784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020119270A1 (en) * | 2018-12-14 | 2020-06-18 | 西安西电电力电容器有限责任公司 | Capacitor apparatus and manufacturing method therefor, and capacitance type voltage transformer |
-
2018
- 2018-04-18 CN CN201820554636.4U patent/CN208026784U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020119270A1 (en) * | 2018-12-14 | 2020-06-18 | 西安西电电力电容器有限责任公司 | Capacitor apparatus and manufacturing method therefor, and capacitance type voltage transformer |
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