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Heat dissipation device for SYQT intelligent dynamic liquid resistance speed regulator and using method

A technology of liquid resistance governor and heat sink, applied in liquid resistors, resistors, resistor parts and other directions, can solve the problem of unsatisfactory cooling effect, increased cabinet temperature of starting cabinet, and cabinets with high temperature Internal problems, to achieve the effect of maintaining work efficiency, reducing internal temperature and cooling effect

Active Publication Date: 2021-04-23
湖北中盛电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention proposes a SYQT intelligent dynamic liquid resistance speed regulator cooling device and its use method, which solves the problem that the temperature of the starter cabinet will increase during the temperature rise of the electro-hydraulic, and the electrolyte is still at a relatively high temperature after the electrolyte is cooled. The inside of the high cabinet leads to unsatisfactory cooling effect

Method used

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  • Heat dissipation device for SYQT intelligent dynamic liquid resistance speed regulator and using method
  • Heat dissipation device for SYQT intelligent dynamic liquid resistance speed regulator and using method
  • Heat dissipation device for SYQT intelligent dynamic liquid resistance speed regulator and using method

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Experimental program
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Effect test

Embodiment 1

[0028] refer to Figure 1-4 A cooling device for a SYQT intelligent dynamic liquid resistance speed controller and a method of use shown include a resistance speed control cabinet 1, the number of the resistance speed control cabinets 1 is set to be multiple, and the front surface of the resistance speed control cabinet 1 There is a heat dissipation plate 2, a shorting cabinet 3 is provided on one side of the resistance speed control cabinet 1, a control cabinet 4 is provided on the other side of the resistance speed control cabinet 1, and a cooling tower is connected to the outside of the top of the resistance speed control cabinet 1 5. An lye storage box 6 is provided on the rear surface of the resistance speed control cabinet 1, and a plate heat exchanger 7 is connected to the outside of the lye storage box 6, and a water pump 8 is provided at the bottom of the lye storage box 6, so that The plate heat exchanger 7 communicates with the water pump 8;

[0029] The cooling to...

Embodiment 2

[0033]The surface of the mounting plate 11 is evenly provided with heat dissipation holes, the surface of the heat dissipation plate 2 is evenly provided with hinged windows, and the inside of the heat dissipation plate 2 is provided with a heat dissipation fan, and the heat dissipation fan is arranged on the top of the inner wall of the resistance speed control cabinet 1 .

[0034] The lye storage box 6 is fixedly arranged on the rear side surface of the resistance speed control cabinet 1, and the top of the lye storage tank 6 is connected with an lye return pipe 61, and the lye return pipe 61 is circularly arranged in the resistance speed control cabinet 1 The surface of the inner wall penetrates through the resistance speed control cabinet 1 and extends to the outside. The outside of the lye storage tank 6 is connected with an lye connecting pipe 62 , and the lye connecting pipe 62 is connected with the plate heat exchanger 7 .

[0035] The outer bottom of the plate heat exc...

Embodiment 3

[0038] The present invention also provides a method for using the cooling device of the SYQT intelligent dynamic liquid resistance governor, the specific steps are:

[0039] Step 1: When the equipment is working normally, the cooling fan on the inner wall of the cooling plate 2 works and accelerates the air flow inside the resistance speed control cabinet 1 to dissipate heat through the hinged window and cooling holes;

[0040] Step 2: The lye storage tank 6 outside the resistance speed control cabinet 1 is filled with lye to cool down the resistance speed control cabinet 1, and the cooled lye is transferred to the plate heat exchanger 7 for heat exchange and then passes through the lye transmission pipe in turn 72 and lye return pipe 61 are transported back to the lye storage tank 6 to carry out circulation heat dissipation and cooling, and the lye is transferred back to the lye storage tank 6 after being circulated and cooled by the resistance speed control cabinet 1 inwall d...

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Abstract

The invention belongs to the technical field of electrical cabinets, relates to a heat dissipation device for an SYQT intelligent dynamic liquid resistance speed regulator and a using method.An existing liquid resistor generates heat due to the fact that large current passes through the existing liquid resistor, and as a result, the electro-hydraulic temperature rises too high and too fast. The invention just aims to solve the above problem. According to the technical schemes of the invention, a plurality of resistance speed regulation cabinets are arranged; a heat dissipation plate is arranged on the surface of the front side of each resistance speed regulation cabinet; a short-circuit cabinet is arranged on one side of each resistance speed regulation cabinet; a control cabinet is arranged on the other side of each resistance speed regulation cabinet; a cooling tower is connected to the outer side of the top of each resistance speed regulation cabinet; and an alkali liquor storage box is arranged on the surface of the rear side of each resistance speed regulation cabinet. The cooling towers, plate heat exchangers and water pumps are arranged; the plate heat exchangers cool alkali liquor through cooling water; the used cooling water enters the cooling towers through the water pumps, so that the recycling of the cooling water is achieved; the cooling effect of the cooling towers is good, the cooling water is free of loss, and circulating cooling work can be conducted for a long time.

Description

technical field [0001] The invention relates to the technical field of electrical cabinets, in particular to a cooling device for a SYQT intelligent dynamic liquid resistance governor and a method for using it. Background technique [0002] At present, the commonly used liquid resistance starting cabinet is to connect the liquid resistance in series in the stator circuit of the star point of the motor. The resistance value of the liquid resistance is adjusted by adjusting the distance between the movable plate and the fixed plate, that is, the farther the distance between the two plates is, the greater the resistance value is, and the smaller the current passing through the liquid resistance and the motor winding is, the motor will The lower the rotation speed; the closer the distance between the two pole plates, the smaller the liquid resistance value, the greater the current passing through the liquid resistance and the motor winding, and the higher the motor speed, so as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01C1/082H01C10/02H02P1/02H02P1/36
Inventor 袁学华马丹祥侯杰谢远伟
Owner 湖北中盛电气有限公司
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