CN211880256U

CN211880256U - Explosion-proof buffer structure of three-phase asynchronous motor

Info

Publication number: CN211880256U
Application number: CN202020343527.5U
Authority: CN
Inventors: 林云才
Original assignee: Jiangsu Shilin Electric Co ltd
Current assignee: Jiangsu Shilin Electric Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-11-06
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a three-phase asynchronous motor's flame proof buffer structure relates to three-phase asynchronous motor technical field, for solving current three-phase asynchronous motor in use often can be because the temperature rise is too high and the problem of exploding easily. The external mounting of three-phase asynchronous motor main part has the buffering shell, the external mounting of buffering shell has the flame proof shell, install a plurality of second buffer spring between the upper end of buffering shell and the flame proof shell, install a plurality of first buffer spring between the lower extreme of buffering shell and the flame proof shell, and first buffer spring all passes through the screw connection with buffering shell and flame proof shell, second buffer spring all passes through the screw connection with buffering shell and flame proof shell, and three-phase asynchronous motor main part passes through the screw connection with the buffering shell.

Description

Explosion-proof buffer structure of three-phase asynchronous motor

Technical Field

The utility model relates to a three-phase asynchronous motor technical field specifically is a three-phase asynchronous motor's flame proof buffer structure.

Background

The three-phase asynchronous motor is one kind of induction motor, and is one kind of motor powered by three-hundred eighty volt three-phase AC current (with one hundred twenty degrees phase difference), and is called three-phase asynchronous motor because the rotor and stator rotating magnetic field of the three-phase asynchronous motor rotate in the same direction and at different rotating speeds and have slip ratio. The rotating speed of the rotor of the three-phase asynchronous motor is lower than that of a rotating magnetic field, and the rotor winding generates electromotive force and current due to relative motion between the rotor winding and the magnetic field and interacts with the magnetic field to generate electromagnetic torque so as to realize energy conversion.

However, the existing three-phase asynchronous motor is often prone to explosion due to overhigh temperature rise in use, so that the existing requirements are not met, and the explosion-proof buffer structure of the three-phase asynchronous motor is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-phase asynchronous motor's flame proof buffer structure to solve the problem that current three-phase asynchronous motor in use who proposes among the above-mentioned background art often can be because the temperature rise is too high and explode easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a three-phase asynchronous motor's flame proof buffer structure, includes the three-phase asynchronous motor main part, the externally mounted of three-phase asynchronous motor main part has buffering shell, buffering shell's externally mounted has flame proof shell, install a plurality of second buffer spring between buffering shell's upper end and the flame proof shell, install a plurality of first buffer spring between buffering shell's lower extreme and the flame proof shell, and first buffer spring all passes through the screw connection with buffering shell and flame proof shell, second buffer spring all passes through the screw connection with buffering shell and flame proof shell, and the three-phase asynchronous motor main part passes through the screw connection with buffering shell.

Preferably, a cooling water pipe is arranged inside the buffer shell.

Preferably, a heat dissipation mechanism is installed on one side of the flameproof housing, the flameproof housing is connected with the heat dissipation mechanism through screws, the heat dissipation mechanism comprises a heat dissipation fan and a safety net, and the safety net is connected with the flameproof housing through screws.

Preferably, the temperature controller is installed at the upper end of the flameproof shell and is connected with the flameproof shell through screws.

Preferably, the fixing bases are installed on two sides of the lower end of the explosion-proof shell and are connected with the explosion-proof shell in a welded mode.

Preferably, a ventilation cavity is arranged outside the three-phase asynchronous motor main body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a flame proof shell can bear inside explosion pressure and not damaged to can prevent explosion flame to propagate outside the shell, play safety protection's effect, work as three-phase asynchronous motor at the during operation, the first buffer spring of accessible and second buffer spring absorb vibrations, realize the shock attenuation, reduce vibrations to the wearing and tearing of three-phase asynchronous motor internals.

2. The utility model discloses a temperature controller carries out real-time supervision to the inside temperature of buffering shell, and when the temperature was higher than preset's temperature, temperature controller control water pump work to the inside cooling water that lets in of condenser tube, and the work of simultaneous control radiator fan will cushion the inside heat effluvium of shell, realizes rapid cooling to avoid three-phase asynchronous motor high temperature and the emergence explosion, improve the security of three-phase asynchronous motor main part.

Drawings

Fig. 1 is a schematic view of the overall structure of the explosion-proof buffer structure of the three-phase asynchronous motor of the present invention;

fig. 2 is a schematic side view of the flameproof buffer structure of the three-phase asynchronous motor of the present invention;

fig. 3 is the utility model discloses a three-phase asynchronous motor's flame proof buffer structure's whole side view.

In the figure: 1. a three-phase asynchronous motor main body; 2. an explosion-proof shell; 3. a buffer housing; 4. a first buffer spring; 5. a second buffer spring; 6. a cooling water pipe; 7. a heat dissipation mechanism; 8. a heat radiation fan; 9. a safety net; 10. a temperature controller; 11. a fixed base; 12. a ventilation cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a flame-proof buffer structure of a three-phase asynchronous motor comprises a three-phase asynchronous motor main body 1, a buffer shell 3 is arranged outside the three-phase asynchronous motor main body 1, a flame-proof shell 2 is arranged outside the buffer shell 3, a plurality of second buffer springs 5 are arranged between the upper end of the buffer shell 3 and the flame-proof shell 2, a plurality of first buffer springs 4 are arranged between the lower end of the buffer shell 3 and the flame-proof shell 2, the first buffer springs 4, the buffer shell 3 and the flame-proof shell 2 are connected through screws, the second buffer springs 5, the buffer shell 3 and the flame-proof shell 2 are connected through screws, the three-phase asynchronous motor main body 1 and the buffer shell 3 are connected through screws, the flame-proof shell 2 can bear the internal explosion pressure without damage and can prevent explosion flame from spreading to the outside of the shell, when the buffer shell 3 works, the first buffer springs 4 and the second buffer springs 5 can absorb the vibration generated when the three-phase asynchronous motor main body 1 works, therefore, abrasion of vibration to internal parts of the three-phase asynchronous motor main body 1 is reduced, heating of the three-phase asynchronous motor main body 1 is reduced, and a safety protection effect is achieved.

Further, the inside of the buffer shell 3 is provided with a cooling water pipe 6, and the water pump works to introduce cooling water into the cooling water pipe 6.

Further, a heat dissipation mechanism 7 is installed on one side of the flameproof housing 2, the flameproof housing 2 is connected with the heat dissipation mechanism 7 through screws, the heat dissipation mechanism 7 comprises a heat dissipation fan 8 and a safety net 9, the safety net 9 is connected with the flameproof housing 2 through screws, the connection mode is simple, and maintenance is facilitated.

Further, a temperature controller 10 is installed at the upper end of the flameproof housing 2, the temperature controller 10 is connected with the flameproof housing 2 through screws, the temperature controller 10 monitors the temperature inside the buffer housing 3 in real time, and when the temperature is higher than the preset temperature, the heat dissipation mechanism 7 and the water pump are controlled to work to dissipate heat of the three-phase asynchronous motor main body 1.

Further, the fixing bases 11 are installed on two sides of the lower end of the flameproof housing 2, and the fixing bases 11 are connected with the flameproof housing 2 in a welded mode, so that the three-phase asynchronous motor main body 1 can be stably placed.

Further, the ventilation cavity 12 is arranged outside the three-phase asynchronous motor main body 1, so that enough space is ensured for heat dissipation of the three-phase asynchronous motor main body 1.

The working principle is as follows: when the three-phase asynchronous motor is used, the three-phase asynchronous motor main body 1 is arranged in the buffer shell 3, when the buffer shell 3 works, the first buffer spring 4 and the second buffer spring 5 can absorb vibration generated when the three-phase asynchronous motor main body 1 works, so that abrasion of the vibration to internal parts of the three-phase asynchronous motor main body 1 is reduced, the heat generation of the three-phase asynchronous motor main body 1 is reduced, the safety protection effect is achieved, the explosion-proof shell 2 can bear the internal explosion pressure without damage, explosion flame can be prevented from spreading to the outside of the shell, the safety protection effect is further achieved, the temperature controller 10 monitors the internal temperature of the buffer shell 3 in real time, when the temperature is higher than the preset temperature, the temperature controller 10 controls the water pump to work, cooling water is introduced into the cooling water pipe 6, and the cooling fan 8 to work is controlled at the same time, and the heat in the buffer shell 3 is dissipated, the rapid cooling is realized, so that the explosion caused by overhigh temperature of the three-phase asynchronous motor main body 1 is avoided, and the safety of the three-phase asynchronous motor main body 1 is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a three-phase asynchronous motor's flame proof buffer structure, includes three-phase asynchronous motor main part (1), its characterized in that: the external mounting of three-phase asynchronous motor main part (1) has buffering shell (3), the externally mounted of buffering shell (3) has flame proof shell (2), install a plurality of second buffer spring (5) between the upper end of buffering shell (3) and flame proof shell (2), install a plurality of first buffer spring (4) between the lower extreme of buffering shell (3) and flame proof shell (2), and first buffer spring (4) all pass through the screw connection with buffering shell (3) and flame proof shell (2), second buffer spring (5) all pass through the screw connection with buffering shell (3) and flame proof shell (2), and three-phase asynchronous motor main part (1) passes through the screw connection with buffering shell (3).

2. The explosion-proof buffer structure of the three-phase asynchronous motor according to claim 1, characterized in that: and a cooling water pipe (6) is arranged in the buffer shell (3).

3. The explosion-proof buffer structure of the three-phase asynchronous motor according to claim 1, characterized in that: the explosion-proof shell (2) is characterized in that a heat dissipation mechanism (7) is installed on one side of the explosion-proof shell (2), the explosion-proof shell (2) is connected with the heat dissipation mechanism (7) through screws, the heat dissipation mechanism (7) comprises a heat dissipation fan (8) and a safety net (9), and the safety net (9) is connected with the explosion-proof shell (2) through screws.

4. The explosion-proof buffer structure of the three-phase asynchronous motor according to claim 1, characterized in that: the temperature controller (10) is installed at the upper end of the flameproof shell (2), and the temperature controller (10) is connected with the flameproof shell (2) through screws.

5. The explosion-proof buffer structure of the three-phase asynchronous motor according to claim 1, characterized in that: and fixing bases (11) are installed on two sides of the lower end of the flameproof shell (2), and the fixing bases (11) are connected with the flameproof shell (2) in a welding mode.

6. The explosion-proof buffer structure of the three-phase asynchronous motor according to claim 1, characterized in that: and a ventilation cavity (12) is arranged outside the three-phase asynchronous motor main body (1).