CN213451360U

CN213451360U - Centrifugal pump bearing air cooling device with circulating air duct

Info

Publication number: CN213451360U
Application number: CN202021433184.8U
Authority: CN
Inventors: 黄川�
Original assignee: Shanghai Jingxuan Industry Co ltd
Current assignee: Shanghai Jingxuan Industry Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-06-15
Anticipated expiration: 2030-07-20

Abstract

The utility model belongs to the technical field of air cooling device, especially a centrifugal pump bearing air cooling device who possesses circulation wind channel, including the bearing inner circle, the bearing inner circle outside is provided with the ball, the ball outside is provided with the bearing outer lane, the inside cooling wind channel that has seted up of bearing outer lane, the cooling wind channel top is connected with the air-supply line, air-supply line one side is connected with cooling body, the cooling wind channel below is connected with out the tuber pipe; a cooling pipe is arranged inside the air inlet pipe; the utility model discloses simple structure, the modern design, through cooling duct, air-supply line and the play tuber pipe that sets up, can circulating air, bring external air into to the bearing by the air-supply line, exchange the rotatory produced heat of bearing inside the bearing, steam is along with a tuber pipe discharge to realize the air-cooled heat dissipation operation of bearing, at the air cycle in-process, further reduce air temperature through cooling mechanism's cooling, thereby increase the cooling effect of bearing.

Description

Centrifugal pump bearing air cooling device with circulating air duct

Technical Field

The utility model relates to an air cooling device technical field especially relates to a centrifugal pump bearing air cooling device who possesses circulation wind channel.

Background

The bearing can give off a large amount of heat in the course of working, make the bearing temperature rise, influence bearing life. The bearing cooling system is generally a water cooling system and a wind cooling system. The water cooling system is welded on the bearing base through a water cooling pipe, and circulating water flows through the water cooling pipe to cool the bearing. The air cooling system is provided with a fan at the bearing to cool the bearing.

The air cooling system is generally additionally provided with a fan at the position of a bearing gland, the fan needs to be additionally provided with a fixed support and an external fan power supply, the bearing is cooled through a cooling groove, and the cooling efficiency is influenced because the limited spatial position of the bearing gland is provided with the fan with lower efficiency.

In order to solve the problems, the application provides a centrifugal pump bearing air cooling device with a circulating air duct.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a centrifugal pump bearing air cooling device who possesses circulation wind channel, through the cooling wind channel that sets up, air-supply line and play tuber pipe, can the circulated air, bring external air into to the bearing by the air-supply line, exchange the rotatory produced heat of bearing inside the bearing, steam is along with a tuber pipe discharge, thereby realize the air-cooled heat dissipation operation of bearing, at the air cycle in-process, further reduce air temperature through cooling mechanism's cooling, thereby increase the cooling effect of bearing.

(II) technical scheme

In order to solve the problems, the utility model provides a centrifugal pump bearing air cooling device with a circulating air duct, which comprises a bearing inner ring, wherein balls are arranged outside the bearing inner ring, a bearing outer ring is arranged outside the balls, a cooling air duct is arranged inside the bearing outer ring, an air inlet pipe is connected above the cooling air duct, one side of the air inlet pipe is connected with a cooling mechanism, and an air outlet pipe is connected below the cooling air duct; the cooling device is characterized in that a cooling pipe is arranged inside the air inlet pipe, a refrigerant input pipe is connected above the cooling pipe, and a refrigerant output pipe is connected below the cooling pipe.

Preferably, the refrigerant input pipe and the refrigerant output pipe are connected with a refrigerating box.

Preferably, the inside of the refrigeration box is provided with a semiconductor refrigeration piece.

Preferably, the cooling tube is provided with fins on the outer side.

Preferably, the middle section of the refrigerant input pipe is connected with a circulating pump.

Preferably, one end of the air outlet pipe is connected with a circulating fan.

Preferably, an air inlet pipe is connected above the circulating fan.

The above technical scheme of the utility model has following profitable technological effect:

the air can be circulated through the arranged cooling air duct, the air inlet pipe and the air outlet pipe, external air is brought into the bearing through the air inlet pipe, heat generated by rotation of the bearing is exchanged inside the cooling air duct, hot air is discharged along with the air outlet pipe, and therefore air cooling and heat dissipation operations of the bearing are achieved; through the cooling tube and the fin that set up, can spread the temperature of refrigerant, will become cold when the air process, thereby form air conditioning and be used for the heat dissipation, through refrigeration case and the semiconductor refrigeration piece that sets up, can deposit the refrigerant, and utilize the semiconductor refrigeration piece to cool down the refrigerant, through the circulating pump that sets up, can carry out the cycle operation to the refrigerant, thereby form the cooling cycle of refrigerant, the semiconductor refrigeration piece is the device that utilizes the thermoelectric effect of semiconductor to prepare cold volume, also known as thermoelectric cooler, connect two different metals with the conductor, switch on direct current, then a contact temperature reduces, another contact temperature risees.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the inner structure of the outer ring of the middle bearing of the present invention;

fig. 3 is a schematic view of the internal structure of the middle refrigeration box of the present invention;

fig. 4 is a schematic diagram of the internal structure of the cooling mechanism of the present invention.

In the figure: 1. a bearing inner race; 2. a ball bearing; 3. a bearing outer race; 4. an air inlet pipe; 5. an air outlet pipe; 6. a circulating fan; 7. a cooling mechanism; 8. a refrigerant input pipe; 9. a refrigerant output pipe; 10. a refrigeration case; 11. a circulation pump; 12. a semiconductor refrigeration sheet; 13. a cooling tube; 14. a fin; 15. and a cooling air duct.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the centrifugal pump bearing air cooling device with a circulating air duct provided by the present invention comprises a bearing inner ring 1, wherein balls 2 are arranged outside the bearing inner ring 1, a bearing outer ring 3 is arranged outside the balls 2, a cooling air duct 15 is arranged inside the bearing outer ring 3, an air inlet pipe 4 is connected above the cooling air duct 15, one side of the air inlet pipe 4 is connected with a cooling mechanism 7, and an air outlet pipe 5 is connected below the cooling air duct 15;

the air inlet pipe 4 is internally provided with a cooling pipe 13, a refrigerant input pipe 8 is connected above the cooling pipe 13, and a refrigerant output pipe 9 is connected below the cooling pipe 13.

In this embodiment, one end of the air outlet pipe 5 is connected with a circulating fan 6, and an air inlet pipe 4 is connected above the circulating fan 6.

It should be noted that, through the cooling air duct 15, the air inlet pipe 4 and the air outlet pipe 5, air can be circulated, external air is brought into the bearing from the air inlet pipe 4, heat generated by rotation of the bearing is exchanged inside the cooling air duct 15, and hot air is discharged along with the air outlet pipe 5, so that air-cooling heat dissipation operation of the bearing is realized, through the circulating fan 6, air can be circulated, and in the air circulation process, the air temperature is further reduced through cooling of the cooling mechanism 7, so that the cooling effect of the bearing is increased.

As shown in fig. 3-4, one end of each of the refrigerant input pipe 8 and the refrigerant output pipe 9 is connected to a refrigeration box 10, a semiconductor refrigeration sheet 12 is disposed inside the refrigeration box 10, and a fin 14 is disposed outside the cooling pipe 13.

In this embodiment, the middle section of the refrigerant input pipe 8 is connected with a circulating pump 11.

It should be noted that, through the cooling tube 13 and the fin 14, the temperature of the refrigerant can be diffused, when the air passes through the cooling tube, the air becomes cold, so as to form cold air for heat dissipation, through the refrigeration box 10 and the semiconductor refrigeration sheet 12, the refrigerant can be stored, and the semiconductor refrigeration sheet 12 is used for cooling the refrigerant, through the circulation pump 11, the refrigerant can be circulated, so as to form a cooling cycle of the refrigerant, the semiconductor refrigeration sheet 12 is a device for producing cold energy by using the thermo-electric effect of the semiconductor, also called as a thermoelectric refrigerator, two different metals are connected by a conductor, and when a direct current is switched on, the temperature at one junction is reduced, and the temperature at the other junction is increased.

The working principle is as follows: when the cooling device is used, air can be circulated through the arranged cooling air duct 15, the air inlet pipe 4 and the air outlet pipe 5, outside air is brought into the bearing through the air inlet pipe 4, heat generated by rotation of the bearing is exchanged inside the cooling air duct 15, hot air is discharged along with the air outlet pipe 5, air cooling and heat dissipation operations of the bearing are achieved, the air can be circulated through the arranged circulating fan 6, and in the air circulation process, the air temperature is further reduced through cooling of the cooling mechanism 7, so that the cooling effect of the bearing is improved; through the cooling tube 13 and the fin 14 that set up, can spread the temperature of refrigerant, will become cold when the air process, thereby form air conditioning and be used for the heat dissipation, through the refrigeration case 10 and the semiconductor refrigeration piece 12 that set up, can deposit the refrigerant, and utilize the semiconductor refrigeration piece 12 to cool down the refrigerant, through the circulating pump 11 that sets up, can carry out the circulation operation to the refrigerant, thereby form the cooling cycle of refrigerant, the semiconductor refrigeration piece 12 is the device that utilizes the thermoelectric effect of semiconductor to prepare cold volume, also known as thermoelectric cooler, connect two different metals with the conductor, switch on direct current, then a junction temperature reduces, another junction temperature risees.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A centrifugal pump bearing air cooling device with a circulating air channel comprises a bearing inner ring (1) and is characterized in that balls (2) are arranged on the outer side of the bearing inner ring (1), a bearing outer ring (3) is arranged on the outer side of the balls (2), a cooling air channel (15) is formed in the bearing outer ring (3), an air inlet pipe (4) is connected above the cooling air channel (15), a cooling mechanism (7) is connected to one side of the air inlet pipe (4), and an air outlet pipe (5) is connected below the cooling air channel (15);

the air inlet pipe (4) is internally provided with a cooling pipe (13), a refrigerant input pipe (8) is connected above the cooling pipe (13), and a refrigerant output pipe (9) is connected below the cooling pipe (13).

2. The centrifugal pump bearing air cooling device with the circulating air duct is characterized in that one end of each of the refrigerant input pipe (8) and the refrigerant output pipe (9) is connected with a refrigeration box (10).

3. The centrifugal pump bearing air cooling device with the circulating air duct is characterized in that the semiconductor refrigerating sheet (12) is arranged inside the refrigerating box (10).

4. A centrifugal pump bearing air cooling device with a circulating air duct according to claim 1, characterized in that fins (14) are provided outside the cooling pipe (13).

5. The centrifugal pump bearing air cooling device with the circulating air duct according to claim 1, wherein a circulating pump (11) is connected to a middle section of the refrigerant input pipe (8).

6. The centrifugal pump bearing air cooling device with the circulating air duct according to claim 1, wherein a circulating fan (6) is connected to one end of the air outlet pipe (5).

7. A centrifugal pump bearing air cooling device with a circulating air duct according to claim 6, characterized in that an air inlet pipe (4) is connected above the circulating fan (6).