CN202383185U - Non-contact type electronic voltage sampling device - Google Patents
Non-contact type electronic voltage sampling device Download PDFInfo
- Publication number
- CN202383185U CN202383185U CN2011204828200U CN201120482820U CN202383185U CN 202383185 U CN202383185 U CN 202383185U CN 2011204828200 U CN2011204828200 U CN 2011204828200U CN 201120482820 U CN201120482820 U CN 201120482820U CN 202383185 U CN202383185 U CN 202383185U
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- China
- Prior art keywords
- voltage sampling
- electronic voltage
- inductive coil
- insulation
- induction coil
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Abstract
The utility model relates to an electronic voltage sampling device, in particular, relates to a non-contact type electronic voltage sampling device. The utility model provides an integrated non-contact type electronic voltage sampling device, wherein a measuring circuit is completely isolated from a high voltage circuit. The non-contact type electronic voltage sampling device comprises an induction coil, an conductor post as an access device, a shielding layer arranged outside the induction coil, an insulation layer arranged on the shielding layer, and an output unit connected with the induction coil, wherein the induction coil is arranged around the conductor post, the conductor post and the induction coil are set to be an integrated insulation casting piece, the insulation casting piece is set in a conical cap shape to facilitate the installation and seal, the front end of the conductor post is provided with an installation bolt hole for installation and fixation. The insulation structure of the device is greatly simplified, the dependence on nonferrous metal is reduced, a non-inductive capacitor is used as a sampling unit, the self loss is small, and the service life and the safety operation of the device are ensured.
Description
Technical field
The utility model relates to a kind of electronic voltage sampling apparatus, specifically, relates to a kind of contactless electronic voltage sampling apparatus.
Background technology
Voltage transformer (VT) is an indispensable connection device between electric loop and secondary electric loop in the electric system, and the reliable and economical operation of its precision and reliability and electric system is closely related.At present, generally adopt electromagnetic potential transformer or capacitive divided voltage mutual inductor to carry out voltage measurement, electric energy metrical and relay protection in the electrical network.Because the 100V of traditional voltage mutual inductor secondary output or the voltage signal of 100/ √, 3 V can not directly link to each other with microcomputer, Automation of Electric Systems, digitizing and intelligentized development trend therefore have been difficult to adapt to.And because the hyundai electronics measuring technique can realize the accurate measurement to feeble signal; Relay protection and secondary measurement mechanism no longer need high-power big driving; Only need the voltage signal of several volts; Being system to the parameter request of mutual inductor variation has taken place, thereby electronic type voltage transformer occurred, and the fast development of electronic technology, technique of computer measurement and control and Digital Electric technology also constantly promotes the improvement and the development of electronic type voltage transformer.
Summary of the invention
In order to overcome above-mentioned defective, the integral type contactless electronic voltage sampling apparatus that the utility model provides a kind of metering circuit and high-tension circuit to isolate fully.
The technical scheme of the contactless electronic voltage sampling apparatus of the utility model is such: it comprises inductive coil, and as the conductor pin of access device, inductive coil is around the conductor pin setting; Inductive coil is provided with screen layer outward; Screen layer is provided with insulation course, connects output unit on the inductive coil, and conductor pin and inductive coil are set to one insulation cast; The insulation cast is set to be beneficial to the tapered cap shape that sealing is installed, the installation screw that the front end of conductor pin is provided for installing and fixing.
Output unit is set to shielded conductor and radio-frequency maser, and shielded conductor is connected with inductive coil, and shielded conductor is connected with radio-frequency maser.
Insulation course is provided with shell outward.
Shell is set to metal level.
Conductor pin is set to the copper post.
The utility model insulation cast is set to the conical surface and corresponding high pressure " socket " structural device sealed butt joint with the end that the high pressure body connects.High pressure " socket " structure is plug position or ring main unit expanding unit etc. behind the cable end normally, and the front end of conductor pin is provided with the installation screw, is used for contactless sampling apparatus is received the electrification in high voltage device.
Contactless electronic voltage sampling apparatus conductor pin of the utility model and inductive coil are set to one insulation cast, and sample circuit and high-tension circuit are isolated fully, have therefore guaranteed the security of measuring; The front end of conductor pin is provided with the installation screw, and the insulation cast is set to the tapered cap shape, during use the utility model is inserted the cable end place and gets final product, and is easy for installation, and read measured value at any time.In addition, the device insulation system that this utility model provides is simplified greatly, has also reduced the dependence to non-ferrous metal, and is sampling unit with noninductive electric capacity, and own loss is little, has guaranteed the serviceable life and the safe operation of device.
Description of drawings
Fig. 1 is the structural representation of the contactless electronic voltage sampling apparatus of the utility model;
Fig. 2 is the scheme of installation of the utility model.
1: screw, 2 is installed: cast, 3: conductor pin, 4: inductive coil, 5: screen layer, 6: shielded conductor, 7: radio-frequency maser, 8: shell, 9: insulation course, 10: lead, 11: erection bolt, 12: elbow head.
Embodiment
It comprises inductive coil the contactless electronic voltage sampling apparatus of the utility model, and as the conductor pin of access device, inductive coil is around the conductor pin setting; Inductive coil is provided with screen layer outward; Screen layer is provided with insulation course, connects output unit on the inductive coil, and conductor pin and inductive coil are set to one insulation cast; The insulation cast is set to the tapered cap shape, and the front end of conductor pin is provided with the installation screw.Output unit is set to shielded conductor and radio-frequency maser, and shielded conductor is connected with inductive coil, and shielded conductor is connected with radio-frequency maser.Insulation course is provided with shell outward.Shell is set to metal level.Conductor pin is set to the copper post.
As shown in the figure; 12 is the prefabricated cable elbow head of 10kV ~ 35kV; An erection bolt 11 is arranged in the elbow head 12; The contactless electronic voltage sampling apparatus of the utility model cooperates with installation screw 1 through erection bolt 11, and the tapered cap insulation cast of the utility model is installed on the elbow head 12; Screw 1 is installed is contained on the copper cylinder 3, copper cylinder 3 is embedded in the cast 2, and the profile of cast cooperates with elbow head 12, can shutoff at the rear portion of elbow head 12; The rear section profile of cast is cylindrical, and inductive coil 4 is installed in the cast rear portion; The outside surface of inductive coil 4 coats screen layer 5, and screen layer 5 links together through lead 10 with shell 8; Inductive coil 4 causes outside radio-frequency maser 7 through shielded conductor 6, and radio-frequency maser 7 is connected signal Processing with secondary device.The shell 8 inner insulation condiment 9 of filling, shell 8 is a metal material.
Claims (5)
1. contactless electronic voltage sampling apparatus, it comprises inductive coil, as the conductor pin of access device; Inductive coil is around the conductor pin setting, and inductive coil is provided with screen layer outward, and screen layer is provided with insulation course; Connect output unit on the inductive coil; It is characterized in that: conductor pin and inductive coil are set to one insulation cast, and the insulation cast is set to be beneficial to the tapered cap shape that sealing is installed, the installation screw that the front end of conductor pin is provided for installing and fixing.
2. contactless electronic voltage sampling apparatus according to claim 1 is characterized in that: output unit is set to shielded conductor and radio-frequency maser, and shielded conductor is connected with inductive coil, and shielded conductor is connected with radio-frequency maser.
3. contactless electronic voltage sampling apparatus according to claim 1 is characterized in that: insulation course is provided with shell outward.
4. contactless electronic voltage sampling apparatus according to claim 1, it is characterized in that: shell is set to metal level.
5. contactless electronic voltage sampling apparatus according to claim 1 is characterized in that: conductor pin is set to the copper post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204828200U CN202383185U (en) | 2011-11-29 | 2011-11-29 | Non-contact type electronic voltage sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204828200U CN202383185U (en) | 2011-11-29 | 2011-11-29 | Non-contact type electronic voltage sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202383185U true CN202383185U (en) | 2012-08-15 |
Family
ID=46631678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204828200U Expired - Lifetime CN202383185U (en) | 2011-11-29 | 2011-11-29 | Non-contact type electronic voltage sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202383185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987081A (en) * | 2018-09-19 | 2018-12-11 | 天津市百利纽泰克电气科技有限公司 | Quadruplet pipe elbow-type head earthed voltage transformer primary shielding structure |
-
2011
- 2011-11-29 CN CN2011204828200U patent/CN202383185U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987081A (en) * | 2018-09-19 | 2018-12-11 | 天津市百利纽泰克电气科技有限公司 | Quadruplet pipe elbow-type head earthed voltage transformer primary shielding structure |
| CN108987081B (en) * | 2018-09-19 | 2024-03-08 | 天津市百利纽泰克电气科技有限公司 | Primary shielding structure of four-sleeve elbow-type head grounding voltage transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170727 Address after: 266300, No. 1, Suntech Road, Jiaozhou economic and Technological Development Zone, Qingdao, Shandong Patentee after: QINGDAO TGOOD HIGH-VOLTAGE EQUIPMENT CO., LTD. Address before: 266061 No. 101, Zhuzhou Road, Laoshan District, Shandong, Qingdao Patentee before: Qingdao Tgood Electric Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |