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Non-excitation tapping switch with gear sensor

A technology of gear position sensor and tap changer, applied in electric switches, inductors, variable inductors, etc., can solve the problems of increasing the number of power outages, increasing working time and intensity, and reducing labor intensity.

Pending Publication Date: 2021-03-09
DANDONG JINLI POWER EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This not only increases the number of power outages, but also increases the working time and intensity

Method used

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  • Non-excitation tapping switch with gear sensor
  • Non-excitation tapping switch with gear sensor
  • Non-excitation tapping switch with gear sensor

Examples

Experimental program
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Effect test

Embodiment 1

[0012] Embodiment one, see figure 1 with 2 .

[0013] It includes a transformer box cover 9, a rotating shaft 7, a handle 6 and its protective cover 5. It also includes a gear sensor. The gear sensor includes a fan-shaped sensor body 3 and a sliding contact. The sensor body is installed on the On the transformer case cover 9, promptly install protective cover seat 8 and sensor main body successively on transformer case cover 9, also sensor main body and protective cover seat can be made one and become another kind of sensor main body, preferably both are separated, facilitate manufacture. The protective cover covers the handle 6 and the gear sensor on the protective cover seat, wherein the handle is on the top and the main body of the gear sensor is down. The two internally connected sliding contacts 33 are installed on the lower surface of the handle edge through the sliding contact bracket 4, specifically the two internally connected sliding contacts 33 are installed on t...

Embodiment 2

[0016] Embodiment two, see image 3 .

[0017] The difference from Embodiment 1 is that the two internally connected sliding contacts 33 are installed on the front surface of the handle edge through the sliding contact bracket 4, specifically the sliding contacts 33 are installed on the sliding contact bracket 4, and the sliding contact bracket 4. Embed in the edge of the handle from the front, so that the directions of the two sliding contacts connected inside are both forward and arranged up and down. With the movement of the handle, the moving tracks of the two sliding contacts are centered on the handle shaft A section of the same circular arc; the main body of the sensor is an arc-shaped vertical plate, installed on the protective cover seat 8, the handle shaft is located at the center of the arc of the main body of the sensor, and several static contacts and common ends of the sensor are embedded in the arc of the main body of the sensor up and down. On the inner side s...

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Abstract

The invention provides a non-excitation tapping switch with a gear sensor. The switch is characterized in that the non-excitation tapping switch comprises a tapping switch handle and the gear sensor,the gear sensor comprises a sensor main body and a sliding contact, the sliding contact is arranged on the surface of the edge of the handle and moves along with the handle, and the moving track of the sliding contact is a section of circular arc taking a handle rotating shaft as a circle center; the sensor main body is a static part, and a plurality of static contacts and the sensor common end are embedded on the surface of the sensor main body and are distributed on the moving track of the sliding contact; the signal output end of the gear sensor is connected with an output cable. The switchhas the advantages that gear information of the tapping switch of the transformer is observed, power-off and power-on operation is not needed, and operation of climbing to the transformer is omitted.

Description

technical field [0001] The invention relates to an off-excitation tap changer. Background technique [0002] In the distribution transformer industry, due to the low cost of non-excitation tap changers, the working performance is stable and reliable. Most transformer tap changers are non-excitation tap changers, which include an insulating body, a rotating shaft, a handle and its protective cover, etc., wherein the insulating main body is located below the transformer box cover, and the handle and its protective cover are located above the transformer box cover. When the tap changer needs to be operated, the protective cover is removed first, and the rotating shaft rotates with it when the operating handle is rotated to realize the conversion of the stepping tap position of the transformer coil. When the output voltage of the transformer is too high or too low, the grid operator needs to cut off the high-voltage power first, then the operator climbs to the top of the transf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H9/16H01F29/04
CPCH01F29/04H01H9/16H01H9/167
Inventor 肖红伟于红王天宏刘欣然
Owner DANDONG JINLI POWER EQUIP
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