CN202794289U - Coaxial capacitance voltage sensor - Google Patents
Coaxial capacitance voltage sensor Download PDFInfo
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- CN202794289U CN202794289U CN 201220254352 CN201220254352U CN202794289U CN 202794289 U CN202794289 U CN 202794289U CN 201220254352 CN201220254352 CN 201220254352 CN 201220254352 U CN201220254352 U CN 201220254352U CN 202794289 U CN202794289 U CN 202794289U
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- voltage sensor
- ground connection
- intercalation
- intercalation cylinder
- cylinder
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Abstract
Electronic voltage sensors have good development prospects. As the application requirements are different, people requires different conversion ratios from high voltage to low voltage. To overcome the defects of the conventional voltage sensor, a coaxial capacitance voltage sensor is provided in the utility model. The voltage sensor comprises an insulation base, a grounding housing, an intercalation cylinder, a busbar and through holes, wherein the grounding housing, the intercalation cylinder and the busbar are fixed on the insulation base; the grounding housing is arranged as an outermost layer, the busbar is arranged in the center, and the intercalation cylinder is arranged between the intercalation cylinder and the busbar; and insulation materials are filled between the grouding housing and the intercalation cylinder, and the through holes are arranged on the insulation base. The coaxial capacitance voltage sensor provided by the utility model can overcome the defects of the conventional electromagnetic voltage sensor, and has the advantages of simple structure, small size, convenience in installation and adjustable conversion ratio from high voltage to low voltage.
Description
Technical field
The utility model relates to the High-Voltage Electrical Appliances field, relates in particular to a kind of coaxial capacitance formula voltage sensor of measuring voltage in the power industry.
Background technology
Voltage sensor is a kind of sensing element that high pressure more than the 10kV is converted to 220V and following voltage.Traditional voltage sensor is generally realized by the mutual inductor of electromagnetic type.But along with the raising of electric pressure, size and the weight of electromagnetic transformer all increase, and are unfavorable for the simplification of integral miniaturization and manufacturing process; And the measurement result of mutual inductor is because the restriction of magnetic characteristic unshakable in one's determination can not be satisfied the demand for development of the high reliability of electric system proposition.And electronic mutual inductor can remedy these deficiencies of electromagnetic transformer preferably, therefore has preferably development prospect.Simultaneously, along with application demand need not, people also more and more are tending towards different to high pressure to the ratio of low pressure conversion.
The utility model content
For the shortcoming of existing voltage sensor, the utility model provides a kind of coaxial capacitance formula voltage sensor, have simple in structure, volume is little, the advantage such as easy for installation, can according to actual needs, realize that different high pressure arrives the conversion ratio of low pressure simultaneously.To achieve these goals, technical solution adopted in the utility model is, a kind of coaxial capacitance formula voltage sensor, comprise insulator foot, ground connection shell, intercalation cylinder, bus, through hole, wherein, ground connection shell, intercalation cylinder, bus are fixed on the insulator foot, and the ground connection shell is at outermost layer, bus is positioned at middle, and the intercalation cylinder is between ground connection shell and bus; Be filled with insulating material between ground connection shell and the intercalation cylinder; Through hole is positioned on the insulator foot; Ground connection shell, intercalation cylinder, bus are conductive material; The intercalation cylinder is connected with two electrodes of output voltage respectively with the ground connection shell.
A kind of coaxial capacitance formula voltage sensor that the utility model provides, between ground connection shell and bus, insert one deck intercalation cylinder, formed the series connection of two electric capacity between ground connection shell and intercalation cylinder, intercalation cylinder and the bus, principle by the series connection dividing potential drop, realize that high pressure is to the conversion of low pressure, by through hole, can between intercalation cylinder and bus, insert the insulating material of differing dielectric constant, realize that different high pressure is to the conversion ratio of low pressure.The utlity model has simple in structure, volume is little, easy for installation, accuracy is high, can change high pressure the advantage such as compares to low pressure conversion.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is sectional view of the present utility model.
Among the figure: 1, insulator foot, 2, the ground connection shell, 3, the intercalation cylinder, 4, bus, 5, through hole.
Embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
Fig. 1 is structural representation of the present utility model, and Fig. 2 is sectional view of the present utility model.The coaxial capacitance formula voltage sensor that the utility model provides, comprise insulator foot 1, ground connection shell 2, intercalation cylinder 3, bus 4, through hole 5, wherein, ground connection shell 2, intercalation cylinder 3, bus 4 are fixed on the insulator foot 1, ground connection shell 1 is at outermost layer, bus 4 is positioned at middle, and intercalation cylinder 3 is between ground connection shell 2 and bus 4; Be filled with insulating material between ground connection shell 2 and the intercalation cylinder 3; Through hole 5 is positioned on the insulator foot 1; Ground connection 2 shells, intercalation cylinder 3, bus 4 are conductive material; The electrode of output voltage is connected on intercalation cylinder 3 and the ground connection shell 2.A kind of voltage sensor that the utility model provides, between ground connection shell 2 and bus 4, insert one deck intercalation cylinder 3, formed the series connection of two electric capacity between ground connection shell 2 and intercalation cylinder 3, intercalation cylinder 3 and the bus 4, principle by the series connection dividing potential drop, realize that high pressure is to the conversion of low pressure, by through hole 5, can between intercalation cylinder 3 and bus 4, insert the insulating material of differing dielectric constant, realize that different high pressure is to the conversion ratio of low pressure.The utlity model has simple in structure, volume is little, easy for installation, accuracy is high, can change high pressure the advantage such as compares to low pressure conversion.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; with not being restricted to the described embodiments; that describes in above-described embodiment and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. a coaxial capacitance formula voltage sensor comprises insulator foot, ground connection shell, intercalation cylinder, bus, through hole, it is characterized in that:
Described ground connection shell, intercalation cylinder, bus are fixed on the insulator foot, and the ground connection shell is at outermost layer, and bus is positioned at middle, and the intercalation cylinder is between ground connection shell and bus;
Be filled with megohmite insulant between described ground connection shell and the intercalation cylinder;
Described through hole is positioned on the insulator foot.
2. a kind of coaxial capacitance formula voltage sensor according to claim 1 is characterized in that:
Described ground connection shell, intercalation cylinder, bus are conductive material;
Described intercalation cylinder is connected with two electrodes of output voltage respectively with the ground connection shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220254352 CN202794289U (en) | 2012-05-15 | 2012-05-15 | Coaxial capacitance voltage sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220254352 CN202794289U (en) | 2012-05-15 | 2012-05-15 | Coaxial capacitance voltage sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202794289U true CN202794289U (en) | 2013-03-13 |
Family
ID=47821531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220254352 Expired - Fee Related CN202794289U (en) | 2012-05-15 | 2012-05-15 | Coaxial capacitance voltage sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202794289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813690A (en) * | 2015-11-27 | 2017-06-09 | 江南石墨烯研究院 | A kind of ultra large deformation cylindrical condenser sensor and preparation method thereof |
-
2012
- 2012-05-15 CN CN 201220254352 patent/CN202794289U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106813690A (en) * | 2015-11-27 | 2017-06-09 | 江南石墨烯研究院 | A kind of ultra large deformation cylindrical condenser sensor and preparation method thereof |
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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: 20130313 Termination date: 20130515 |