CN202204861U - Electronic capacitive voltage divider - Google Patents
Electronic capacitive voltage divider Download PDFInfo
- Publication number
- CN202204861U CN202204861U CN2011202841268U CN201120284126U CN202204861U CN 202204861 U CN202204861 U CN 202204861U CN 2011202841268 U CN2011202841268 U CN 2011202841268U CN 201120284126 U CN201120284126 U CN 201120284126U CN 202204861 U CN202204861 U CN 202204861U
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- voltage
- voltage capacitance
- potential drop
- dividing potential
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Abstract
The utility model relates to an electronic capacitive voltage divider for power industry, which comprises a sleeve, an upper flange, an expander, a high-voltage capacitive voltage-dividing part, a low-voltage capacitive voltage-dividing part, an intertwisting and fixing component, a lower flange, a base, a medium-voltage terminal and an upper cover plate, wherein the intertwisting and fixing component is fixed on the base; the high-voltage capacitive voltage-dividing part and the low-voltage capacitive voltage-dividing part are respectively fixed on the intertwisting and fixing component; and the lower flange at the periphery of the intertwisting and fixing component is fixedly provided with the sleeve. By integrally intertwisting and fixing the high-voltage capacitive voltage-dividing part and the low-voltage capacitive voltage-dividing part on the intertwisting and fixing component, the utility model ensures that the inner elements are stable and reduces the phenomenon of unstable quality caused by bump; by designing the low-voltage capacitive voltage-dividing part into a capacitive series connection part and a capacitive parallel connection part, the utility model obviously improves the measurement accuracy; and by arranging the sleeve outside the intertwisting and fixing component, the utility model forms a closed sleeve cavity, thereby ensuring that the product has higher universality.
Description
Technical field
The utility model relates to a kind of capacitive divider that power industry is used, the capacitive divider that specifically a kind of electronic type is used.
Background technology
Through the relevant patent documentation of retrieval, do not retrieve the electronic type identical as yet at present and use capacitive divider with the utility model structure.Capacitive divider is as the voltage test device that is used for telling off from tested voltage different electric pressures, in the power industry widespread use.Existing capacitive divider is because its structural reason; High-voltage capacitance dividing potential drop part reaches the purpose that reduces voltage with the mode that low-voltage capacitance dividing potential drop part is generally taked to connect; This makes that the precision of being tested is relatively low; The product high for test request then is difficult to reach the requirement of high precision measurement, thus be necessary existing capacitive divider is improved, to satisfy actual needs.
Summary of the invention
The purpose of the utility model is that a kind of improvement on existing capacitive divider basis will be provided, and has the measuring accuracy height, and a kind of electronic type capacitive divider of highly versatile, compact conformation, good stability.
The technical characterictic of the utility model is: considering that measuring accuracy is high; On the basis of highly versatile; Be designed to the electronic type capacitive divider formed by sleeve pipe, upper flange, expander, high-voltage capacitance dividing potential drop part, low-voltage capacitance dividing potential drop part, the parts that are fastened, lower flange, base, intermediate voltage terminal, upper cover plate, on base, be fixed with the parts that are fastened; On the parts that are fastened, be fixed with high-voltage capacitance dividing potential drop part, low-voltage capacitance dividing potential drop part respectively; On the parts that are fastened, be provided with expander; On the peripheral lower flange of the parts that are fastened, be fixed with sleeve pipe; On sleeve pipe, be fixed with upper flange, on upper flange, be provided with upper cover plate; Lower flange links to each other with base; Intermediate voltage terminal is packed on the base; In the annular seal space that sleeve pipe, upper cover plate, base form, be provided with insulating oil.
Described sleeve pipe is the hollow body that the glass fiber yarn wound and solidified of epoxy resin is processed.
Described high-voltage capacitance dividing potential drop partly is a high-voltage capacitance interface unit of series connection each other.
Described low-voltage capacitance dividing potential drop part is made up of capacitances in series part, electric capacity parallel connection part, and described capacitances in series partly is meant takes the form of series connection each other to connect between its low-voltage capacitance body; Described electric capacity parallel connection part is meant takes form parallel with one another to connect between the low-voltage capacitance body.
The described parts that are fastened, it is made up of fixed mount, winding part, and fixed mount is a fixing bracket body that is used for fixing high-voltage capacitance dividing potential drop part, low-voltage capacitance dividing potential drop part; Twine part and be wrapped in high-voltage capacitance dividing potential drop part, low-voltage capacitance dividing potential drop periphery partly respectively, make it become a sturdy fixed body.
Produce when installing; At first respectively high-voltage capacitance dividing potential drop part, low-voltage capacitance dividing potential drop are partly designed according to designing requirement; And each capacity cell of high-voltage capacitance dividing potential drop part is connected according to designing requirement; Partly link to each other with the low-voltage capacitance dividing potential drop, low-voltage capacitance dividing potential drop part is formed, and two parts is connected by capacitances in series part, electric capacity parallel connection part again; Prick solid, binding in the periphery of high-voltage capacitance dividing potential drop part, low-voltage capacitance dividing potential drop part through the insulation band again; Make it become stable, a fixing integral body; Again integral body is packed on the fixed mount of the parts that are fastened; And be fixed on the base through the parts that are fastened, make whole internal works firm; In the annular seal space that sleeve pipe, upper cover plate, base form, inject insulating oil again.
The utility model has the advantages that: because high-voltage capacitance dividing potential drop part, low-voltage capacitance dividing potential drop part integral body are fastened on the parts that are fastened, make that inner components and parts are firm, quality wild effect because of jolting and taking place when having reduced transportation; Owing to low-voltage capacitance dividing potential drop partial design is become two kinds of forms of the capacitances in series parallelly connected part with electric capacity of part, makes the measuring accuracy of complete machine be significantly improved; Owing to outside the parts that are fastened, be provided with sleeve pipe, make the whole capacitor voltage divider form an airtight sleeve pipe cavity, thereby can determine whether outside sleeve pipe, to install full skirt according to the difference and the designing requirement of product, make the versatility of product stronger; Because compact conformation, rationally, measuring accuracy is high, so very big practical and popularizing value is arranged.
Description of drawings
Below will combine accompanying drawing that the utility model is further described:
Accompanying drawing 1 is the structural representation of the utility model electronic type capacitive divider;
Embodiment
With reference to accompanying drawing 1, accompanying drawing 2; The electronic type capacitive divider of the utility model is made up of sleeve pipe 1, upper flange 2, expander 3, high-voltage capacitance dividing potential drop part 4, low-voltage capacitance dividing potential drop part 5, the parts 6 that are fastened, lower flange 7, base 8, intermediate voltage terminal 9, upper cover plate 10, on base 8, is fixed with the parts 6 that are fastened; On the parts 6 that are fastened, be fixed with high-voltage capacitance dividing potential drop part 4, low-voltage capacitance dividing potential drop part 5 respectively, described high-voltage capacitance dividing potential drop part 4 is a high-voltage capacitance interface unit of series connection each other; Described low-voltage capacitance dividing potential drop part 5 is made up of capacitances in series part 51, electric capacity parallel connection part 52, and described capacitances in series part 51 is meant takes the form of series connection each other to connect between its low-voltage capacitance body; Described electric capacity parallel connection part 52 is meant takes form parallel with one another to connect between the low-voltage capacitance body; On the parts 6 that are fastened, be provided with expander 3, the described parts 6 that are fastened, it is made up of fixed mount 61, winding part 62, and fixed mount 61 is a fixing bracket body that is used for fixing high-voltage capacitance dividing potential drop part 4, low-voltage capacitance dividing potential drop part 5; Winding part 62 is wrapped in the periphery of high-voltage capacitance dividing potential drop part 4, low-voltage capacitance dividing potential drop part 5 respectively, makes it become a sturdy fixed body; On the peripheral lower flange 7 of parts 6 that is fastened, be fixed with sleeve pipe 1, the hollow body that described sleeve pipe 1 is processed for the glass fiber yarn wound and solidified that is impregnated with epoxy resin; On sleeve pipe 1, be fixed with upper flange 2; On upper flange 2, be provided with upper cover plate 10, lower flange 7 links to each other with base 8; Intermediate voltage terminal 9 is packed on the base 8; In the annular seal space that sleeve pipe 1, upper cover plate 10, base 8 form, be provided with insulating oil.
Claims (5)
1. the electronic type capacitive divider is made up of sleeve pipe (1), upper flange (2), expander (3), high-voltage capacitance dividing potential drop part (4), low-voltage capacitance dividing potential drop part (5), the parts that are fastened (6), lower flange (7), base (8), intermediate voltage terminal (9), upper cover plate (10), it is characterized in that: on base (8), be fixed with the parts that are fastened (6); On the parts that are fastened (6), be fixed with high-voltage capacitance dividing potential drop part (4), low-voltage capacitance dividing potential drop part (5) respectively; On the parts that are fastened (6), be provided with expander (3); On the peripheral lower flange (7) of the parts that are fastened (6), be fixed with sleeve pipe (1); On sleeve pipe (1), be fixed with upper flange (2), on upper flange (2), be provided with upper cover plate (10); Lower flange (7) links to each other with base (8); Intermediate voltage terminal (9) is packed on the base (8); In the annular seal space that sleeve pipe (1), upper cover plate (10), base (8) form, be provided with insulating oil.
2. electronic type capacitive divider according to claim 1 is characterized in that: the hollow body that described sleeve pipe (1) is processed for the glass fiber yarn wound and solidified of epoxy resin.
3. electronic type capacitive divider according to claim 1 is characterized in that: described high-voltage capacitance dividing potential drop part (4) is a high-voltage capacitance interface unit of series connection each other.
4. electronic type capacitive divider according to claim 1; It is characterized in that: described low-voltage capacitance dividing potential drop part (5) is made up of capacitances in series part (51), electric capacity parallel connection part (52), and described capacitances in series part (51) is meant takes the form of series connection each other to connect between its low-voltage capacitance body; Described electric capacity parallel connection part (52) is meant takes form parallel with one another to connect between the low-voltage capacitance body.
5. electronic type capacitive divider according to claim 1; It is characterized in that: the described parts that are fastened (6); It is made up of fixed mount (61), winding part (62), and fixed mount (61) is a fixing bracket body that is used for fixing high-voltage capacitance dividing potential drop part (4), low-voltage capacitance dividing potential drop part (5); Twine part (62) and be wrapped in the partly periphery of (5) of high-voltage capacitance dividing potential drop part (4), low-voltage capacitance dividing potential drop respectively, make it become a sturdy fixed body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202841268U CN202204861U (en) | 2011-08-07 | 2011-08-07 | Electronic capacitive voltage divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202841268U CN202204861U (en) | 2011-08-07 | 2011-08-07 | Electronic capacitive voltage divider |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202204861U true CN202204861U (en) | 2012-04-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202841268U Expired - Fee Related CN202204861U (en) | 2011-08-07 | 2011-08-07 | Electronic capacitive voltage divider |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202204861U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928639A (en) * | 2011-08-07 | 2013-02-13 | 江苏思源赫兹互感器有限公司 | Electronic capacitive voltage divider |
| CN103543311A (en) * | 2013-10-22 | 2014-01-29 | 江苏靖江互感器厂有限公司 | High-precision capacitance-resistance divider |
| CN104678145A (en) * | 2013-11-26 | 2015-06-03 | 国家电网公司 | Equipotential shielding capacitor type voltage transformer |
| CN106716148A (en) * | 2014-09-30 | 2017-05-24 | 3M创新有限公司 | Voltage sensing device |
| CN109116079A (en) * | 2018-10-24 | 2019-01-01 | 云南电网有限责任公司电力科学研究院 | A kind of inscribed touch type capacitor divider for GIS |
-
2011
- 2011-08-07 CN CN2011202841268U patent/CN202204861U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928639A (en) * | 2011-08-07 | 2013-02-13 | 江苏思源赫兹互感器有限公司 | Electronic capacitive voltage divider |
| CN103543311A (en) * | 2013-10-22 | 2014-01-29 | 江苏靖江互感器厂有限公司 | High-precision capacitance-resistance divider |
| CN103543311B (en) * | 2013-10-22 | 2017-01-04 | 江苏靖江互感器厂有限公司 | A kind of High-precision capacitance-resistandivider divider |
| CN104678145A (en) * | 2013-11-26 | 2015-06-03 | 国家电网公司 | Equipotential shielding capacitor type voltage transformer |
| CN106716148A (en) * | 2014-09-30 | 2017-05-24 | 3M创新有限公司 | Voltage sensing device |
| CN106716148B (en) * | 2014-09-30 | 2020-02-21 | 3M创新有限公司 | Voltage sensing device |
| CN109116079A (en) * | 2018-10-24 | 2019-01-01 | 云南电网有限责任公司电力科学研究院 | A kind of inscribed touch type capacitor divider for GIS |
| CN109116079B (en) * | 2018-10-24 | 2021-06-08 | 云南电网有限责任公司电力科学研究院 | Internal contact type capacitive voltage divider for GIS |
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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 |
Granted publication date: 20120425 Termination date: 20160807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |