CN-115566860-B - Automatically-adjusted motor heat dissipation device and motor

CN115566860BCN 115566860 BCN115566860 BCN 115566860BCN-115566860-B

Abstract

The invention provides an automatically-adjusted motor heat dissipation device and a motor, which can well solve the problem that the temperature rise of a local heat concentration area of a wet motor is too high. The motor heat dissipation device comprises a radiator and a temperature control driving mechanism, wherein the radiator is arranged in the motor, a liquid storage cylinder is arranged in the radiator, the liquid storage cylinder is assembled on the outer wall of the radiator between the first chamber and the third chamber, the liquid storage cylinder wall can slide up and down along the assembling position with the outer wall of the radiator, and the temperature control driving mechanism is used for driving the liquid storage cylinder to extend into the first chamber or retract into the third chamber according to the temperature of cooling liquid in the liquid storage cylinder. The liquid storage cylinder is assembled on the outer wall of the radiator between the first chamber and the third chamber, the liquid storage cylinder wall can slide up and down along the assembly part of the liquid storage cylinder wall and the outer wall of the radiator, and the liquid storage cylinder is matched with the temperature driving mechanism to stretch into the medium conveying channel for cooling when the temperature of cooling liquid is high, and is retracted when the temperature of the cooling liquid is low.

Inventors

BAI YUXING
DING QINGLIN
MA XINYU
KONG WEIYI
WU YUHAN
DONG TAIPING
ZHUANG YING
Hua Yating

Assignees

南京工程学院

Dates

Publication Date: 20260505
Application Date: 20221009

Claims (7)

1. An automatically regulated motor heat abstractor, separate in the motor has: the first chamber is positioned in an area enclosed between the outer wall of the motor and the inner wall of the motor, namely a pumping medium channel; The second chamber is positioned in an area surrounded by the inner wall of the motor; the third chamber is positioned in an inner area surrounded by the outer wall of the radiator; The device is characterized by comprising a radiator and a temperature control driving mechanism, wherein the radiator and the temperature control driving mechanism are arranged in a motor, and a liquid storage cylinder is arranged in the radiator; the temperature control driving mechanism is used for driving the liquid storage cylinder to extend into the first chamber or retract into the third chamber according to the temperature of the cooling liquid in the liquid storage cylinder; the temperature control driving mechanism comprises a turbine impeller arranged in a first chamber, a pump impeller fixed in a third chamber, a temperature control commutator arranged in a liquid storage cylinder and a telescopic cylinder fixed in the third chamber; the pump impeller is respectively communicated with the second chamber and the input port of the temperature control commutator and is used for conveying the cooling liquid of the second chamber to the temperature control commutator; The telescopic cylinder is arranged at the bottom of the liquid storage cylinder and used for pushing the liquid storage cylinder, and comprises a cylinder body, a piston rod and a spring, wherein the piston, the piston rod and the spring are arranged in the cylinder body; The output port of the temperature control commutator is communicated with the rodless cavity of the telescopic cylinder and the rod cavity of the telescopic cylinder through a temperature controller outlet pipe A and a temperature controller outlet pipe B respectively, and the temperature control commutator is communicated with a second chamber through a temperature controller outlet pipe C and a pump outlet pipe D which are communicated sequentially; When the temperature in the liquid storage cylinder is lower than a preset value, the temperature control reverser is communicated with the pump outlet pipe B and the temperature controller outlet pipe B and is communicated with the temperature controller outlet pipe A and the temperature controller outlet pipe C; When the temperature in the liquid storage cylinder is higher than a preset value, the temperature control reverser is communicated with the pump outlet pipe B and the temperature controller outlet pipe A, and is communicated with the temperature controller outlet pipe B and the temperature controller outlet pipe C.
2. The automatically-adjusted motor heat radiator according to claim 1, wherein a one-way valve B is arranged in an outlet pipe C of the temperature controller, and the allowable flow direction of the one-way valve B is that the temperature control reverser flows unidirectionally to a pump outlet pipe D; The pump outlet pipe B is internally provided with a one-way valve C, and the allowable flow direction of the one-way valve C is that the pump outlet pipe A flows unidirectionally to the temperature control reverser.
3. The self-regulating motor radiator according to claim 1, wherein a pump outlet pipe C is further provided between the pump outlet pipe a and the pump outlet pipe D, and an overflow valve is provided on the pump outlet pipe C, and the control pressure of the overflow valve is controlled by the outlet pressure of the pump impeller.
4. The self-adjusting motor radiator according to claim 3, wherein the pump outlet pipe C is provided therein with a check valve A allowing a flow direction in which the pump outlet pipe A flows in one direction toward the pump outlet pipe D.
5. A self-adjusting motor heat sink as recited in claim 3 wherein the pump inlet, pump outlet, temperature controller outlet, and pump outlet are telescoping tubes or hoses.
6. The self-adjusting motor heat sink of claim 1 wherein the reservoir wall extends outwardly at the top end to snap-fit over the outer wall of the heat sink; The top end of the liquid storage cylinder is provided with a liquid storage cylinder cover.
7. A wet motor comprising a motor heat sink as claimed in any one of claims 1-6.

Description

Automatically-adjusted motor heat dissipation device and motor Technical Field The invention belongs to the field of power engineering and engineering thermophysics, and particularly relates to an automatically-adjusted motor heat dissipation device and a motor. Background The high-power high-speed wet motor adopts an independent internal cooling circulation loop to cool and dissipate heat of the motor. In the existing structure, cooling water inside the motor is isolated from an external conveying medium, and heat exchange is carried out between the cooling water inside the motor and the external conveying medium through the inner wall of the motor or a cooling pipe. Under the current motor structure, the heat exchange volume is comparatively limited, can not fully cool off motor coolant. Particularly, the heat concentration area of the stator and the rotor inside the motor is often insufficient in cooling, so that the temperature of the unit is excessively high, the motor is damaged, and the loss is caused. Disclosure of Invention The invention aims to overcome the defects in the prior art, and provides an automatically-adjusted motor radiating device and a motor, which can well solve the problem that the temperature rise of a local heat concentration area of a wet motor is too high. In order to achieve the above purpose, the invention is realized by adopting the following technical scheme: in a first aspect, the present invention provides an automatically adjustable motor heat sink, the motor being divided into: the first chamber is positioned in an area enclosed between the outer wall of the motor and the inner wall of the motor, namely a pumping medium channel; The second chamber is positioned in an area surrounded by the inner wall of the motor; the third chamber is positioned in an inner area surrounded by the outer wall of the radiator; The device comprises a radiator and a temperature control driving mechanism, wherein the radiator and the temperature control driving mechanism are arranged in the motor; the radiator is internally provided with a liquid storage cylinder, wherein the liquid storage cylinder is assembled on the outer wall of the radiator between the first chamber and the third chamber, and the liquid storage cylinder wall can slide up and down along the assembling part with the outer wall of the radiator; the temperature control driving mechanism is used for driving the liquid storage cylinder to extend into the first chamber or retract into the third chamber according to the temperature of the cooling liquid in the liquid storage cylinder. The liquid storage cylinder is assembled on the outer wall of the radiator between the first chamber and the third chamber, the liquid storage cylinder wall can slide up and down along the assembly part with the outer wall of the radiator, and the liquid storage cylinder is matched with the temperature driving mechanism to extend into the medium conveying channel for cooling when the temperature of cooling liquid is high, and is retracted when the temperature of the cooling liquid is low. Further, the temperature control driving mechanism comprises a turbine impeller arranged in the first chamber, a pump impeller fixed in the third chamber, a temperature control reverser arranged in the liquid storage cylinder and a telescopic cylinder fixed in the third chamber; the pump impeller is respectively communicated with the second chamber and the input port of the temperature control commutator and is used for conveying the cooling liquid of the second chamber to the temperature control commutator; The telescopic cylinder is arranged at the bottom of the liquid storage cylinder and used for pushing the liquid storage cylinder, and comprises a cylinder body, a piston rod and a spring, wherein the piston, the piston rod and the spring are arranged in the cylinder body; The output port of the temperature control commutator is communicated with the rodless cavity of the telescopic cylinder and the rod cavity of the telescopic cylinder through a temperature controller outlet pipe A and a temperature controller outlet pipe B respectively, and the temperature control commutator is communicated with a second chamber through a temperature controller outlet pipe C and a pump outlet pipe D which are communicated sequentially; When the temperature in the liquid storage cylinder is lower than a preset value, the temperature control reverser is communicated with the pump outlet pipe B and the temperature controller outlet pipe B and is communicated with the temperature controller outlet pipe A and the temperature controller outlet pipe C; When the temperature in the liquid storage cylinder is higher than a preset value, the temperature control reverser is communicated with the pump outlet pipe B and the temperature controller outlet pipe A, and is communicated with the temperature controller outlet pipe B and the temperature controller outlet pipe C. The device has th