CN204884841U - Undercurrent route selection is high accuracy opening CT for device - Google Patents
Undercurrent route selection is high accuracy opening CT for device Download PDFInfo
- Publication number
- CN204884841U CN204884841U CN201520619751.1U CN201520619751U CN204884841U CN 204884841 U CN204884841 U CN 204884841U CN 201520619751 U CN201520619751 U CN 201520619751U CN 204884841 U CN204884841 U CN 204884841U
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- cable
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- low current
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Abstract
The utility model discloses an undercurrent route selection is high accuracy opening CT for device, include the ring type CT who comprises the incorporation of upper and lower half circle ring part, the each side of upper and lower half circle ring part is equipped with fixed ear and passes through the bolt -up, upper and lower half circle ring part is equipped with corresponding cable clamping device, ring type CT is equipped with signal leading -out terminal, and the on -the -spot installation of this opening CT is very simple, need not to untie high tension cable during the installation, only need with opening CT select on the cable suitable position close with the bolt fastening can, simple installation, safe and reliable.
Description
Technical field
The utility model discloses a kind of line selection device for low current sampling high-precision open CT, belong to the technology and control of line selection device for low current, be easy to the application popularization of line selection device for low current.
Background technology
At present, the line selection device for low current of domestic development and Application is used widely in recent years, to the safe operation of guarantee power distribution network, improve power distribution network operational efficiency and technique guarantee is provided, also find in using that some method needs to improve to improve, the particularly advance signal sampling CT of line selection device for low current, how to improve and make in-site installation application more convenient, the sampling CT used now all adopts closed loop zero sequence CT, need during in-site installation to untie high-voltage cable joint, then zero sequence CT is through on cable and again high-tension cable is restored to the original state, because site environment is different, some working site is by the restriction of environmental condition, often install very loaded down with trivial details.
Summary of the invention
In order to carry out the application of power distribution network line selection device for low current technology safely and effectively, research and design line selection device for low current advance signal sampling high-precision open CT, realizes the popularization and application of line selection device for low current.
In order to solve the problems of the technologies described above, a kind of line selection device for low current high-precision open CT of the present utility model, comprise and merge by upper and lower semi-circular shape parts the circular ring type CT formed, being each side provided with fixing ear and being fastened by bolts of upper and lower semi-circular shape parts; Upper and lower semi-circular shape parts are provided with corresponding cable clamping device; Circular ring type CT is provided with signal leading-out terminal.
Further improvement of the utility model, described cable clamping device is included in upper and lower semi-circular shape parts and is respectively provided with cable folder base, preset nut in base, floor installation has fastening screw, fastening screw the inner is provided with cable folder, by turn two screw rods, zero sequence CT and high-tension cable is fixedly clamped by cable folder during work.
The beneficial effects of the utility model are: this open C T in-site installation is very simple, without the need to untiing high-tension cable during installation, only open C T need be selected on cable correct position to close fixing with bolt, simple installation, safe and reliable.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Embodiment
With reference to shown in Fig. 1, a kind of line selection device for low current high-precision open CT, comprise and merge by upper and lower semi-circular shape parts 11,12 the circular ring type CT1 formed, upper and lower semi-circular shape parts 11,12 be each side provided with fixing ear 3, fixing ear 3 offers M5 bolt hole 2, upper and lower semi-circular shape parts are in addition fastening by the M5 bolt of both sides 7, make the magnetic conductor cut surface even contact in two panels semi-circular shape parts, form closed loop; Upper and lower semi-circular shape parts 11,12 are provided with corresponding cable clamping device; Circular ring type CT is provided with signal leading-out terminal 9, and magnetic conductor secondary coil forms induced signal and outputs to line selection device for low current.
Cable clamping device is included in upper and lower semi-circular shape parts and is respectively provided with cable folder base, preset M5 nut 6 in base, floor installation has fastening screw 4, fastening screw 4 the inner is provided with cable folder 5, by turn upper and lower two screw rods, zero sequence CT and high-tension cable is fixedly clamped by cable folder during work.
The above be the utility model preferred embodiment, it does not form the restriction to the utility model protection range, as long as realize the purpose of this utility model with substantially identical means all should belong to protection range of the present utility model.
Claims (2)
1. a line selection device for low current high-precision open CT, is characterized in that: comprise and merge by upper and lower semi-circular shape parts the circular ring type CT formed, being each side provided with fixing ear and being fastened by bolts of upper and lower semi-circular shape parts; Upper and lower semi-circular shape parts are provided with corresponding cable clamping device; Circular ring type CT is provided with signal leading-out terminal.
2. a kind of line selection device for low current high-precision open CT according to claim 1, it is characterized in that: described cable clamping device is included in upper and lower semi-circular shape parts and is respectively provided with cable folder base, preset nut in base, floor installation has fastening screw, fastening screw the inner is provided with cable folder, by turn two screw rods, zero sequence CT and high-tension cable is fixedly clamped by cable folder during work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520619751.1U CN204884841U (en) | 2015-08-17 | 2015-08-17 | Undercurrent route selection is high accuracy opening CT for device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520619751.1U CN204884841U (en) | 2015-08-17 | 2015-08-17 | Undercurrent route selection is high accuracy opening CT for device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204884841U true CN204884841U (en) | 2015-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520619751.1U Expired - Fee Related CN204884841U (en) | 2015-08-17 | 2015-08-17 | Undercurrent route selection is high accuracy opening CT for device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204884841U (en) |
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| CN105551721A (en) * | 2016-01-15 | 2016-05-04 | 胡小青 | Single-phase high-voltage mutual inductor |
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| CN105551719A (en) * | 2016-01-15 | 2016-05-04 | 胡小青 | High-voltage zero-sequence current mutual inductor with relatively good anti-loosening property |
| CN105551717A (en) * | 2016-01-15 | 2016-05-04 | 胡小青 | High-voltage mutual inductor with good cable clamping strength |
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| CN105609258A (en) * | 2016-01-15 | 2016-05-25 | 胡小青 | Single-phase high-voltage current transformer |
| CN105609237A (en) * | 2016-01-15 | 2016-05-25 | 胡小青 | Power high-voltage transformer with relatively good wire clamping strength |
| CN105609283A (en) * | 2016-01-15 | 2016-05-25 | 胡妍 | Three-phase zero sequence current transformer |
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| CN105632692A (en) * | 2016-01-15 | 2016-06-01 | 胡小青 | Three-phase zero sequence current transformer with good anti-loosening performance |
| CN105655092A (en) * | 2016-01-15 | 2016-06-08 | 胡小青 | Zero sequence current mutual inductor with good looseness prevention performance |
| CN105719792A (en) * | 2016-01-15 | 2016-06-29 | 胡小青 | Three-phase zero sequence current transformer |
| CN105719791A (en) * | 2016-01-15 | 2016-06-29 | 胡小青 | Three-phase zero sequence current transformer |
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| CN105826008A (en) * | 2016-01-15 | 2016-08-03 | 胡小青 | Intelligent type zero sequence current mutual inductor |
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| CN105826006A (en) * | 2016-01-15 | 2016-08-03 | 胡小青 | Intelligent type electric power zero sequence current mutual inductor |
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2015
- 2015-08-17 CN CN201520619751.1U patent/CN204884841U/en not_active Expired - Fee Related
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| CN105551718A (en) * | 2016-01-15 | 2016-05-04 | 胡小青 | Zero-sequence current mutual inductor with relatively good anti-loosening property |
| CN105551721A (en) * | 2016-01-15 | 2016-05-04 | 胡小青 | Single-phase high-voltage mutual inductor |
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| CN105551765A (en) * | 2016-01-15 | 2016-05-04 | 胡小青 | High-voltage transformer with improved wire clamping strength |
| CN105551719A (en) * | 2016-01-15 | 2016-05-04 | 胡小青 | High-voltage zero-sequence current mutual inductor with relatively good anti-loosening property |
| CN105551717A (en) * | 2016-01-15 | 2016-05-04 | 胡小青 | High-voltage mutual inductor with good cable clamping strength |
| CN105575611A (en) * | 2016-01-15 | 2016-05-11 | 胡妍 | High-voltage mutual inductor |
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| CN105609252A (en) * | 2016-01-15 | 2016-05-25 | 胡妍 | High-voltage transformer |
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| CN105655092A (en) * | 2016-01-15 | 2016-06-08 | 胡小青 | Zero sequence current mutual inductor with good looseness prevention performance |
| CN105719792A (en) * | 2016-01-15 | 2016-06-29 | 胡小青 | Three-phase zero sequence current transformer |
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| CN105719793A (en) * | 2016-01-15 | 2016-06-29 | 胡小青 | Zero sequence current transformer |
| CN105742013A (en) * | 2016-01-15 | 2016-07-06 | 胡小青 | Three-phase zero-sequence current transformer with relatively good anti-looseness performance |
| CN105761892A (en) * | 2016-01-15 | 2016-07-13 | 胡小青 | High-voltage zero sequence current transformer |
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| CN105761889A (en) * | 2016-01-15 | 2016-07-13 | 胡小青 | High-voltage electricity zero-sequence current transformer for electric transmission line |
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| CN105761890A (en) * | 2016-01-15 | 2016-07-13 | 胡小青 | High voltage electricity zero-sequence current transformer for power transmission and distribution lines |
| CN105761891A (en) * | 2016-01-15 | 2016-07-13 | 胡小青 | Intelligent three-phase middle-high voltage zero sequence current transformer for improving wire clamping strength |
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| CN105826011A (en) * | 2016-01-15 | 2016-08-03 | 胡小青 | Intelligent type high-voltage transformer |
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| CN105826008A (en) * | 2016-01-15 | 2016-08-03 | 胡小青 | Intelligent type zero sequence current mutual inductor |
| CN105826017A (en) * | 2016-01-15 | 2016-08-03 | 胡妍 | Easily mounted high-voltage instrument transformer |
| CN105826005A (en) * | 2016-01-15 | 2016-08-03 | 胡小青 | Intelligent power zero-sequence current transformer |
| CN105826014A (en) * | 2016-01-15 | 2016-08-03 | 胡妍 | High-voltage transformer convenient for mounting |
| CN105826010A (en) * | 2016-01-15 | 2016-08-03 | 胡小青 | Intelligent power high-voltage instrument transformer |
| CN105826015A (en) * | 2016-01-15 | 2016-08-03 | 胡妍 | Easily mounted high-voltage instrument transformer |
| CN105826009A (en) * | 2016-01-15 | 2016-08-03 | 胡小青 | Intelligent type electric power high-voltage transformer |
| CN105826013A (en) * | 2016-01-15 | 2016-08-03 | 胡妍 | Convenient-to-mount high-voltage transformer |
| CN105826007A (en) * | 2016-01-15 | 2016-08-03 | 胡小青 | Intelligent middle-high pressure zero-sequence current transformer |
| CN105826006A (en) * | 2016-01-15 | 2016-08-03 | 胡小青 | Intelligent type electric power zero sequence current mutual inductor |
| CN106057408A (en) * | 2016-01-15 | 2016-10-26 | 胡小青 | Intelligent medium-high voltage zero-sequence current transformer |
| CN105575612B (en) * | 2016-01-15 | 2019-01-25 | 乐清市风杰电子科技有限公司 | A kind of Intelligent high-pressure mutual inductor |
| CN105826005B (en) * | 2016-01-15 | 2019-01-25 | 乐清市华尊电气有限公司 | Intelligent electric power zero sequence current mutual inductor |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160817 |