CN-116133333-B - Mining light metal water cooling plant

Abstract

The invention belongs to the field of mining explosion-proof electric cabinet water cooling devices, and particularly relates to a mining light metal water cooling device; the cooling device comprises a water inlet device, a water outlet device, a cooling liquid guide device, a heat radiating base plate, a rear blocking plate and an explosion-proof flange, wherein the heat radiating base plate is connected to one end of a through hole of the explosion-proof flange, the rear blocking plate is connected to the other end of the through hole, a groove is formed in the surface of the heat radiating base plate, an outer cooling loop formed by the cooling liquid guide device, the water inlet device and the water outlet device is embedded in the groove, two leading-out holes are formed in the rear blocking plate, the water inlet device and the water outlet device are respectively exposed from the two leading-out holes, and light metal is used as the heat radiating base plate of the mining water cooling device under the condition that the water cooling device meets the safety requirement of a coal mine.

Inventors

• XU LIANBING
• WANG JIAN
• WANG CHANJUAN
• FENG HUA
• JIN XUEQI
• ZHAO YONGHONG
• CAO JIANWEN
• JIANG MING
• LONG XIANJIANG
• GAO PENG
• WANG TAO
• TIAN KEJUN
• GUO LIQIANG
• QIAO JIAWEI

Assignees

• 中国煤炭科工集团太原研究院有限公司
• 山西天地煤机装备有限公司

Dates

Publication Date

20260512

Application Date

20230104

Claims (4)

1. 1. The mining light metal water cooling device is characterized by comprising a water inlet device (3), a water outlet device (4), a cooling liquid flow guiding device (2), a heat radiating base plate (1), a rear blocking plate (6) and an explosion-proof flange (5); The cooling liquid guiding device (2) comprises a cooling liquid inlet, a cooling liquid outlet, a water inlet device (3), a water outlet device (4), a water inlet device (3), a cooling liquid guiding device (2) and a water outlet device (4), wherein one end of the water inlet device is connected with the cooling liquid inlet, and the other end of the water inlet device is used as a butt joint port of a liquid outlet of an external cooling liquid circulating system; the cooling base plate (1) is connected to one end of a through hole of the explosion-proof flange (5), the rear blocking plate (6) is connected to the other end of the through hole, the rear blocking plate (6) is in seamless connection with the hole periphery of the through hole, a groove is formed in the surface of the cooling base plate (1) facing the rear blocking plate (6), an outer cooling loop formed by the cooling liquid guiding device (2), the water inlet device (3) and the water outlet device (4) is embedded in the groove, two leading-out holes are formed in the rear blocking plate (6), and the water inlet device (3) and the water outlet device (4) of the outer cooling loop are exposed from the two leading-out holes respectively and are sealed with the hole periphery; the cooling device is characterized in that a groove is formed in the plate surface of the back blocking plate (6) of the heat dissipation substrate (1), an inner cooling loop formed by the cooling liquid flow guiding device (2), the water inlet device (3) and the water outlet device (4) is embedded in the groove on the plate surface of the back blocking plate (6) of the heat dissipation substrate (1), and the water inlet device (3) and the water outlet device (4) are led out of the heat dissipation substrate (1) along the groove on the plate surface of the back blocking plate (6) of the heat dissipation substrate (1) and are sealed with the groove on the plate surface of the back blocking plate (6) of the heat dissipation substrate (1); The heat dissipation substrate (1) is connected with the flame-proof flange (5) through bolts, and the rear blocking plate (6) is connected with the flame-proof flange (5) through full welding; The plate surface of the back blocking plate (6) of the radiating substrate (1) is a plane, and the plane is positioned in the mining flameproof electric cabinet and is used for fixing power devices in the electric cabinet.
2. 2. The mining light metal water cooling device according to claim 1, wherein the radiating base plate (1) is made of aluminum alloy, the explosion-proof flange (5) and the rear plugging plate (6) are made of steel, the cooling liquid guiding device (2) is a copper pipe, and the water inlet device (3) and the water outlet device (4) are welded pipe joints.
3. 3. The mining light metal water cooling device according to claim 2, wherein the cooling liquid guiding device (2) is welded with the radiating substrate (1).
4. 4. The mining light metal water cooling device according to claim 2, wherein the cooling liquid guiding device (2) is bent back and forth on the radiating substrate (1) and is unfolded along the front-back direction, the shape of a groove on the radiating substrate (1) is matched with the curve of the cooling liquid guiding device (2), and the water inlet device (3) and the water outlet device (4) in the inner cooling loop are perpendicular to the plate surface of the rear blocking plate (6).

Description

Mining light metal water cooling plant Technical Field The invention belongs to the field of mining explosion-proof electric cabinet water cooling devices, and particularly relates to a mining light metal water cooling device. Background The water cooling device is a heat exchange device commonly used in mining electrical equipment, particularly in mining converter equipment (such as a mining flameproof frequency converter and the like), a large amount of heat is generated when a power device is turned on and off, and the power device is damaged due to the fact that the temperature of the power device is too high due to accumulation of the heat, so that a heat dissipation device with reasonable design is needed for ensuring reliable operation of the power device. Methane is a flammable gas commonly existing in underground coal mines, sparks are easily generated when light metals (such as aluminum and the like) collide with steel materials, the use of the light metals in underground coal mines is greatly limited based on safety, and particularly the use of the light metals in underground coal mines is more limited in the design of the water cooling device for mines, however, the characteristics of high heat conductivity, low density, low cost and the like of the light metals (such as aluminum) are materials which are preferentially considered in the design of the water cooling device. The saddle mountain saddle industry limited company is taken as a supplier of my department, and an utility model patent with the bulletin number of CN211267513U and the patent name of mining flameproof water-cooling unit is provided. The explosion-proof water cooling unit adopts the fastening screw to fixedly connect the aluminum heat conduction installation base plate and the steel explosion-proof plate together so as to realize the purpose of explosion prevention. However, the explosion-proof plate only shields one plate surface of the heat conduction mounting substrate, the side surface of the heat conduction mounting substrate is still exposed, the patent product issued to me by the company saddle mountain saddle industry limited fails to pass the explosion proof detection. Therefore, the application aims to ensure that the light metal is used as a radiating substrate of the mine water cooling device under the condition that the water cooling device meets the safety requirement of a coal mine, and the light metal is applied to the mine water cooling device, so that the limitation of the installation position of a power device in the mine explosion-proof electric cabinet is reduced, the radiating efficiency of the water cooling device is improved, and the weight and the manufacturing cost of the water cooling device are reduced. Disclosure of Invention According to the invention, the mining water cooling device is improved, the light metal with high heat conductivity and low density is applied to the mining water cooling device while the explosion-proof requirement is met, the heat dissipation efficiency of the water cooling device is improved, and the weight and cost of the water cooling device are reduced. The invention provides a mining light metal water cooling device which comprises a water inlet device, a water outlet device, a cooling liquid guiding device, a heat dissipation substrate, a rear blocking plate and an explosion-proof flange, wherein the water inlet device is connected with the water outlet device; The cooling liquid guiding device comprises a cooling liquid inlet, a cooling liquid outlet, a water inlet device, a water outlet device, a cooling liquid guiding device and a water outlet device, wherein the cooling liquid inlet and the cooling liquid outlet are respectively arranged at two ends of the cooling liquid guiding device; the cooling base plate is connected with one end of a through hole of the explosion-proof flange, the rear blocking plate is connected with the other end of the through hole, the rear blocking plate is in seamless connection with the periphery of the through hole, an outer cooling loop formed by a cooling liquid flow guiding device, a water inlet device and a water outlet device is embedded in the groove, and the rear blocking plate is provided with two leading-out holes, and the water inlet device and the water outlet device of the outer cooling loop are respectively exposed from the two leading-out holes and sealed with the periphery of the through hole. Further, a groove is formed in the plate surface of the back blocking plate of the heat dissipation substrate, an inner cooling loop formed by the cooling liquid flow guiding device, the water inlet device and the water outlet device is embedded in the groove in the plate surface of the back blocking plate of the heat dissipation substrate, and the water inlet device and the water outlet device are led out of the heat dissipation substrate along the groove in the plate surface of the back blocking plate of the heat dissipation s