CN203365524U - Electronic voltage transformer - Google Patents
Electronic voltage transformer Download PDFInfo
- Publication number
- CN203365524U CN203365524U CN 201320411463 CN201320411463U CN203365524U CN 203365524 U CN203365524 U CN 203365524U CN 201320411463 CN201320411463 CN 201320411463 CN 201320411463 U CN201320411463 U CN 201320411463U CN 203365524 U CN203365524 U CN 203365524U
- Authority
- CN
- China
- Prior art keywords
- voltage transformer
- primary transducer
- partial pressure
- electric resistance
- resistance partial
- 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
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- 239000013307 optical fiber Substances 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract 2
- 238000009413 insulation Methods 0.000 claims description 14
- 239000000835 fiber Substances 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 3
- 230000010363 phase shift Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 239000003822 epoxy resin Substances 0.000 abstract description 2
- 229920000647 polyepoxide Polymers 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 239000004593 Epoxy Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model discloses an electronic voltage transformer which comprises a body. An insulating pillar is arranged at the upper part of the body. A resistance voltage-dividing component is poured in the insulating pillar. A cavity is arranged at the lower part of the body. A primary converter is arranged in the cavity. The resistance voltage-dividing component is electrically connected with the primary converter. The resistance voltage-dividing component and the primary converter are arranged on the body. According to the utility model, a resistance voltage-dividing principle is used to measure the voltage; the primary converter processes an output signal of the resistance voltage-divider; and a measurement signal is output through an optical fiber. The electronic voltage transformer is characterized in that (1) a pillar type structure mode is used; (2) an outdoor epoxy resin pouring structure is used for insulating, thus the weatherability is strong; (3) a primary converter embedded installation mode is used; and (4) the optical fiber is used for signal transmission.
Description
Technical field
The utility model relates to electronic devices and components field or electronic monitoring and fields of measurement, especially a kind of mutual inductor.
Background technology
Along with the develop rapidly of optical fiber sensing technology, Fibre Optical Communication Technology, the application in the application system of photoelectric technology in electric system is also more and more extensive.
Electronic type voltage transformer based on electric resistance partial pressure, there do not is the shortcoming of traditional electrical electromagnetic type voltage transformer, can in wider measurement range, keep the linear consistance of measurement result, owing to there is no the magnetic saturation phenomenon, therefore better transient characterisitics are arranged, not there will be danger overheated and blast yet, therefore at 35kV and following power transmission and distribution field, there is good prospect of the application simultaneously.
It is strong that fibre optic data transmission has an antijamming capability, and long transmission distance can conveniently realize the characteristics of data sharing also having obtained application in this product.
Summary of the invention
The purpose of this utility model is to provide a kind of electric system outdoor 35kV electronic type voltage transformer of realizing distant signal transmission by optical fiber.
The technical solution of the utility model is achieved in that
A kind of electronic type voltage transformer is provided, it is characterized in that: it comprises its body, be positioned at body top and be provided with insulation column, be cast with the electric resistance partial pressure parts in described insulation column, described body bottom arranges a cavity, be equipped with primary transducer in cavity, described electric resistance partial pressure parts are electrically connected to primary transducer, and described electric resistance partial pressure parts and primary transducer all are arranged on described body.
Electronic type voltage transformer as above is characterized in that: described electric resistance partial pressure parts are cast in insulation column inside, avoid and the medium contact such as air, guarantee the serviceable life of electronic devices and components.
Electronic type voltage transformer as above is characterized in that: described insulation column is formed by epoxy casting, is provided with big or small umbrella cover on described insulation column, has both guaranteed structural strength, and enough creepage distances are arranged again.
Electronic type voltage transformer as above is characterized in that: described primary transducer can be realized the measuring-signal of electric resistance partial pressure parts output is carried out to integration, phase shift and amplitude modulation processing on the spot, and by the fiber data delivery outlet output of its setting.
Electronic type voltage transformer as above is characterized in that: the external interface arranged on described primary transducer also comprises a power supply input port, a USB debug port, optical fiber to the time input port.
The utility model utilizes electric resistance partial pressure principle measuring voltage, by primary transducer, the output signal of resitstance voltage divider is processed, and by optical fiber, exports measuring-signal, and its characteristics are: (1) adopts column support type version; (2) adopt outdoor poured with epoxy resin structural insulation, weatherability is strong; (3) adopt the embedded mounting means of primary transducer; (4) adopt optical fiber to carry out the signal transmission.
The accompanying drawing explanation
Fig. 1 is main TV structure figure of the present utility model.
Fig. 2 is the plan structure of the utility model shown in Fig. 1 figure.
Fig. 3 is the utility model primary transducer theory diagram shown in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing 1 to accompanying drawing 3, embodiment of the present utility model is described:
A kind of electronic type voltage transformer is provided, it comprises its body 1, be positioned at body 1 top and be provided with insulation column 2, be cast with the electric resistance partial pressure parts in described insulation column 2, described body 1 bottom arranges a cavity 3, be equipped with primary transducer 4 in cavity 3, described electric resistance partial pressure parts are electrically connected to primary transducer 4, and described electric resistance partial pressure parts and primary transducer 4 all are arranged on described body 1.
Described electric resistance partial pressure parts are cast in insulation column 2 inside, avoid and the medium contact such as air, guarantee the serviceable life of electronic devices and components.
Described insulation column 2 is formed by epoxy casting, is provided with big or small umbrella cover 5 on described insulation column 2, has both guaranteed structural strength, and enough creepage distances are arranged again.
Described primary transducer 4 can be realized the measuring-signal of electric resistance partial pressure parts output is carried out to integration, phase shift and amplitude modulation processing on the spot, and by fiber data delivery outlet 41 outputs of its setting.
The external interface arranged on described primary transducer 4 also comprise 43, one optical fiber of 42, one of power supply input ports USB debug port to the time input port 44.
Below further describe embodiment of the present utility model:
Referring to Fig. 1, Fig. 2, a kind of electrical outdoor minor voltage transformer (VT) is provided, it is a kind of epoxy casting column support type structure, and primary voltage is by input end 5 accesses, and insulation column 2 and cavity 3 are that low-pressure cavity is that once-cast forms, and primary transducer 4 is inserted in cavity 3.
With further reference to Fig. 1, described primary transducer can be crossed aviation interface 42 access power supplys, by optical fiber to the time input port 44 accesses to the time pulse, by fiber data delivery outlet 41 output measuring-signals, by 43 pairs of primary transducers 4 of USB mouth, debugged.
With further reference to Fig. 3, the schematic diagram of described primary transducer, the signal that voltage divider is detected carries out amplitude modulation, phase modulation is processed, and exports by optical fiber interface.
The applicable voltage of the utility model is selected 35KV.
Input termination comparison signal of the present utility model, output termination collection signal, after by central processing unit, signal being identified, export respectively different instructions, realizes electronic monitoring, measurement and defencive function.
Although above shown detailed embodiment of the present utility model, apparent, those skilled in the art is under prerequisite of the present utility model, can carry out the part modifications and changes; The content of mentioning in description above and accompanying drawing, only as illustrative case, not, as to restriction of the present utility model, has the electronic type voltage transformer of above-mentioned technical characterictic, all falls into the utility model protection domain.
Claims (3)
1. an electronic type voltage transformer, it is characterized in that: it comprises its body, be positioned at body top and be provided with insulation column, be cast with the electric resistance partial pressure parts in described insulation column, described body bottom arranges a cavity, be equipped with primary transducer in cavity, described electric resistance partial pressure parts are electrically connected to primary transducer, and described electric resistance partial pressure parts and primary transducer all are arranged on described body.
2. electronic type voltage transformer as claimed in claim 1 is characterized in that: described primary transducer can realize that the measuring-signal to the output of electric resistance partial pressure parts carries out on the spot integration, phase shift and amplitude modulation and processes, and by the fiber data delivery outlet output of its setting.
3. electronic type voltage transformer as claimed in claim 2, it is characterized in that: the external interface arranged on described primary transducer also comprises a power supply input port, a USB debug port, optical fiber to the time input port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320411463 CN203365524U (en) | 2013-07-11 | 2013-07-11 | Electronic voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320411463 CN203365524U (en) | 2013-07-11 | 2013-07-11 | Electronic voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203365524U true CN203365524U (en) | 2013-12-25 |
Family
ID=49813269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320411463 Expired - Fee Related CN203365524U (en) | 2013-07-11 | 2013-07-11 | Electronic voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203365524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890680A (en) * | 2015-06-17 | 2015-09-09 | 株洲中车轨道交通装备有限公司 | Grid switching method of control system for inner-city rapid rail vehicles and control system |
| CN105486909A (en) * | 2015-12-04 | 2016-04-13 | 国家电网公司 | Switch cabinet and voltage transformer thereof having busbar support function |
-
2013
- 2013-07-11 CN CN 201320411463 patent/CN203365524U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890680A (en) * | 2015-06-17 | 2015-09-09 | 株洲中车轨道交通装备有限公司 | Grid switching method of control system for inner-city rapid rail vehicles and control system |
| CN104890680B (en) * | 2015-06-17 | 2017-06-06 | 株洲中车轨道交通装备有限公司 | A kind of fast rail vehicle control system net changing method of administrative region of a city and control system |
| CN105486909A (en) * | 2015-12-04 | 2016-04-13 | 国家电网公司 | Switch cabinet and voltage transformer thereof having busbar support function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131225 |
|
| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: On July 28, 2023, the expiration and termination of the 39-volume 3002 patent Number: 30-02 Volume: 39 |
|
| 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: 20131225 |