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Intelligent high-voltage current transformer

A high-voltage transformer and intelligent technology, which is applied in the field of high-voltage power, can solve problems such as restrictions on the application and promotion of high-voltage transformers, and achieve excellent anti-loosening effects, prevent regression, and ensure stability and reliability.

Inactive Publication Date: 2016-05-25
胡小青
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Most of the existing high-voltage transformers are installed by means of flange installation or bonding, and the installation position generally needs to be reserved, so the application and promotion of high-voltage transformers are more restricted

Method used

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  • Intelligent high-voltage current transformer
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  • Intelligent high-voltage current transformer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] This embodiment is an intelligent high-voltage transformer, see Figure 1 to Figure 6 As shown, it includes a core tube 2 , a voltage transformer 8 , two pressure rings 1 , two axial retaining rings 4 and two sets of clamping assemblies 9 .

[0020] Each pressure ring 1 includes a ratchet ring 11, two clamping rings 12 separated on both sides of the spine ring and a plurality of connecting rivets 13; in each pressure ring, two clamping rings clamp the ratchet ring, and the connecting rivets are along the axial direction of the core tube. Through the ratchet ring and the two clamping rings, the ratchet ring and the two clamping rings are fixedly coupled into a whole. The inner peripheral wall of the ratchet ring is provided with a plurality of slope grooves 111, and each slope groove is provided with a plurality of wedge-shaped anti-off teeth 112; in this embodiment, the inner peripheral wall of the ratchet ring and the inner peripheral wall of the clamping ring are copl...

Embodiment 2

[0034] This embodiment is basically the same as Embodiment 1, the difference is: see Figure 7 to Figure 9 As shown, the voltage transformer 8 in this embodiment also includes an intelligent control module 82; the outer peripheral wall of the core tube is provided with a placement groove 25, and the intelligent control module is arranged in the placement groove; the intelligent control module may include a wireless transceiver unit and an alarm The buzzer and the intelligent control module transmit the secondary voltage or current signal sensed by the ring base to the remote host through the wireless transceiver unit, so as to realize precise remote unmanned monitoring; this structure can make full use of the space and is conducive to the overall small size and integration.

Embodiment 3

[0036] This embodiment is basically the same as Embodiment 2, the difference is: see Figure 10 As shown, in this embodiment, the annular base body of the voltage transformer is no longer arranged in the clamping ring. In this embodiment, the annular base body of the voltage transformer is fixedly arranged on the outer peripheral wall of the core tube. This scheme is also feasible, and the structure is more Compact and easy to manufacture and process.

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PUM

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Abstract

The invention discloses an intelligent high-voltage current transformer. The intelligent high-voltage current transformer comprises a core tube, a voltage transformer, two press rings and two sets of wire clamping assemblies, wherein a plurality of radial guide holes are formed on the tube wall of the core tube, each press ring is rotatably arranged on the outer peripheral wall of the core tube and comprises a ratchet ring, a plurality of slope grooves are formed on the inner peripheral wall of the ratchet ring, a plurality of wedge-shaped drop prevention teeth are arranged in each slop groove, each press ring is adaptive to corresponding one set of wire clamping assembly, each set of wire clamping assembly comprises a plurality of press claw assemblies uniformly arranged along the circumferential direction of the core tube, each press claw assembly comprises a plurality of press claws and a reset spring, each press claw comprises a press plate part and a radial sliding column, each radial sliding column is provided with wedge-shaped teeth, the press plate part of each press claw is arranged in a tube cavity of the core tube, the radial sliding column of each press claw passes through one of the radial guide holes, each wedge-shaped teeth props against corresponding one of the wedge-shaped drop prevention teeth, the voltage transformer comprises an annular substrate, wire clamping holes are arranged in a hole cavity of the annular substrate, and the press plate part in the corresponding one set of wire clamping assembly is driven to move towards the center of the core tube when each ratchet ring rotates. The intelligent high-voltage current transformer has excellent electrical performance.

Description

technical field [0001] The invention belongs to the technical field of high-voltage electric power, and in particular relates to an intelligent high-voltage transformer. Background technique [0002] High-voltage transformers are transformers suitable for converting large voltages into small voltages or converting large currents into small currents in 1kv to 220kv power systems for easy measurement, protection, and use. [0003] Most of the existing high-voltage transformers are electromagnetic induction transformers, the working principle is the same as that of the transformer, and the basic structure is also the iron core and the primary and secondary windings. The main functions of high voltage transformers are as follows: convert high voltage into low voltage, convert large current into small current, and then use it for measurement, control and protection. This can not only increase the range of measuring instruments, facilitate the standardization of instruments, redu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/06H01F38/26H02G7/04F16L3/10
CPCH01F27/06F16L3/10H01F38/26H02G7/04
Inventor 胡小青
Owner 胡小青