CN201655552U - High-precision voltage divider - Google Patents
High-precision voltage divider Download PDFInfo
- Publication number
- CN201655552U CN201655552U CN2010201560718U CN201020156071U CN201655552U CN 201655552 U CN201655552 U CN 201655552U CN 2010201560718 U CN2010201560718 U CN 2010201560718U CN 201020156071 U CN201020156071 U CN 201020156071U CN 201655552 U CN201655552 U CN 201655552U
- Authority
- CN
- China
- Prior art keywords
- electrode
- voltage divider
- out terminal
- cylindrical
- metal casing
- 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
Images
Landscapes
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
A high-precision voltage divider relates to the manufacturing field of voltage dividers and comprises a cylindrical metal casing, an inner electrode, an outer electrode and a sealing leading-out terminal. The outer electrode is coaxially arranged in the metal casing through an insulation support, the inner electrode is coaxially arranged in the outer electrode, and the outer surface of the metal casing is provided with the sealing electrode leading-out terminal. The inner electrode and the outer electrode are arranged in the cylindrical casing of the capacitance voltage divider, SF6 gas is injected in the casing to form a cylindrical capacitor, the inner electrode is connected with high voltage, the outer electrode is earthed so as to shield influence of coupling capacitance between the cylindrical metal casing and the ground to the voltage divider, and further, materials of the electrode have extremely low expansion factors under influence of temperature change, thereby guaranteeing capacitance precision.
Description
Technical field
The utility model relates to a kind of manufacturing field of voltage divider.
Background technology
Existing capacitor voltage divider, playing structure is vertically to be provided with, highly higher, floor space and institute take up space bigger, along with developing rapidly of high pressure GIS switch, from the convenience of test, originally constructed products can't satisfy the test requirements document of GIS switch, and bigger structure also causes the increase of cost.
The utility model content
Higher in order to solve existing capacitor voltage divider structure, take up room and the big problem of area, the utility model provides a kind of high accuracy voltage divider.
The utility model comprises cylindrical metal housing, interior electrode, external electrode, sealing leading-out terminal, described external electrode is arranged in the described metal shell by insulating support is coaxial, electrode is coaxial in described is arranged in the described external electrode, and the enclosed electrode leading-out terminal is set on the outer surface of described metal shell.
Internal and external electrode is set in cylindrical housings, in housing, injects SF
6Gas constitutes cylindrical capacitor, interior electrode connects high pressure, and external electrode ground connection, external electrode ground connection are in order to shield coupling capacitance between cylinder and the ground to the influence of voltage divider, because of electrode material has the extremely low coefficient of expansion under influence of temperature change, thereby guaranteed the precision of electric capacity.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Among the figure, 1, metal shell, 2, external electrode, 3, interior electrode, 4, the sealing leading-out terminal, 5, insulating support.
Embodiment
As shown in Figure 1, this capacitor voltage divider comprises cylindrical metal housing 1, interior electrode 3, external electrode 2, sealing leading-out terminal 4, external electrode 2 is by insulating support 5 coaxial being arranged in the described metal shell 1, interior electrode 3 coaxial being arranged in the external electrode 2 are provided with enclosed electrode leading-out terminal 4 on the outer surface of metal shell 1.
Claims (1)
1. high accuracy voltage divider, it is characterized in that comprising cylindrical metal housing, interior electrode, external electrode, sealing leading-out terminal, described external electrode is arranged in the described metal shell by insulating support is coaxial, electrode is coaxial in described is arranged in the described external electrode, and the enclosed electrode leading-out terminal is set on the outer surface of described metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201560718U CN201655552U (en) | 2010-04-09 | 2010-04-09 | High-precision voltage divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201560718U CN201655552U (en) | 2010-04-09 | 2010-04-09 | High-precision voltage divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201655552U true CN201655552U (en) | 2010-11-24 |
Family
ID=43120796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201560718U Expired - Fee Related CN201655552U (en) | 2010-04-09 | 2010-04-09 | High-precision voltage divider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201655552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814370A (en) * | 2010-04-09 | 2010-08-25 | 江苏雷宇高电压设备有限公司 | High-precision voltage divider |
-
2010
- 2010-04-09 CN CN2010201560718U patent/CN201655552U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814370A (en) * | 2010-04-09 | 2010-08-25 | 江苏雷宇高电压设备有限公司 | High-precision voltage divider |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202405168U (en) | Intelligent integrated solid-sealed polar pole | |
| CN202614820U (en) | Capacitance voltage divider used in gas insulated switchgear (GIS) | |
| CN203798447U (en) | High-insulation voltage-withstanding vibration sensor | |
| CN201655552U (en) | High-precision voltage divider | |
| CN201853571U (en) | Voltage transformer based on capacitance-resistance voltage division principle | |
| CN102005289B (en) | Resistor-capacitor voltage division principle-based voltage transformer | |
| CN102539591B (en) | Small-sized hydrogen flame ionization detection device | |
| CN101814370A (en) | High-precision voltage divider | |
| CN102928639B (en) | Electronic capacitive voltage divider | |
| CN202383240U (en) | Combined type TEV (Transient Earth Voltage) sensor | |
| CN202363343U (en) | Main-loop insulation part of three-position disconnecting switch | |
| CN202282237U (en) | Double-capacitive ring capacitive voltage division type electronic voltage transformer | |
| CN201910323U (en) | Three-phase capacitor voltage-dividing electronic voltage transformer | |
| CN207586267U (en) | A kind of insulation crust of electronic voltage transducer | |
| CN203192670U (en) | High voltage isolation switch housing | |
| CN202678569U (en) | Vacuum high-voltage electrode flange | |
| CN203481159U (en) | High-voltage circuit breaker and active end assembly thereof | |
| CN104267235A (en) | Hoop voltage sensing device | |
| CN204315438U (en) | Gas-filling cabinet major loop insulated support | |
| CN204789893U (en) | Air gap defect discharge model and GIS defects simulation device | |
| CN102723635B (en) | Vacuum high-voltage electrode flange | |
| CN201946486U (en) | Rotary high-voltage isolating switch | |
| CN201717518U (en) | Contact box with double-shielding structure | |
| CN205248100U (en) | Electronic -type current -voltage -combined transformer for GIS (gas insulated switchgear) | |
| CN201466555U (en) | Contact box for air-insulated metal-enclosed switchgear |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20110409 |