CN224097541U

CN224097541U - Three-phase torque motor

Info

Publication number: CN224097541U
Application number: CN202520653042.9U
Authority: CN
Inventors: 沈继忠; 魏华清
Original assignee: Zhejiang Juqiang Electromechanical Co ltd
Current assignee: Zhejiang Juqiang Electromechanical Co ltd
Priority date: 2025-04-09
Filing date: 2025-04-09
Publication date: 2026-04-07
Anticipated expiration: 2035-04-09

Abstract

The utility model discloses a three-phase torque motor, which comprises a machine body and a heat dissipation mechanism, wherein the heat dissipation mechanism is used for dissipating heat of a motor main body and comprises an annular shell sleeved outside heat dissipation fins, a tube body fixed on the inner wall of the annular shell, one side of the tube body is tightly attached to the end part of the motor main body, a high-speed fan arranged on the inner wall of the tube body, a guide shell fixed on one side of the annular shell and a dust screen sleeved outside the annular shell, the outer side surface of the annular shell is provided with slotted holes in an annular array, the heat dissipation fins are embedded in the slotted holes, the top ends of the heat dissipation fins are positioned inside the slotted holes, and air inlet and exhaust interference is avoided.

Description

Three-phase torque motor

Technical Field

The utility model relates to the technical field of three-phase torque motors, in particular to a three-phase torque motor.

Background

When three-phase stator windings (each differing by 120 degrees in electrical angle) of the motor are electrified, a rotating magnetic field is generated, the rotating magnetic field cuts the rotor windings, thereby generating induced current in the rotor windings (the rotor windings are closed paths), the current-carrying rotor conductors generate electromagnetic force under the action of the stator rotating magnetic field, thereby forming electromagnetic torque on the motor rotating shaft, driving the motor to rotate, and the motor rotating direction is the same as the rotating magnetic field direction.

The existing three-phase torque motor has the main defects that when the three-phase torque motor operates, the generated heat is large, the heat dissipation mechanism of the existing three-phase torque motor mainly dissipates heat naturally through the heat dissipation fins on the outer side of the three-phase torque motor or dissipates heat through the high-speed fan connected with the shaft of the three-phase torque motor, and the heat in the three-phase torque motor is discharged through the rotation of the high-speed fan, so that the heat dissipation efficiency is low.

Disclosure of utility model

The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.

The three-phase torque motor comprises a motor body, a base fixed at the bottom end of the motor body and radiating fins fixed on the outer side surface of the motor body in an annular array.

The radiating fins comprise a main radiating fin fixed on the outer side face of the motor main body and a plurality of fins fixed on two sides of the main radiating fin, and through holes are formed in the top ends of the main radiating fin and are communicated with the inner cavity of the motor main body.

The heat dissipation mechanism comprises an annular shell sleeved outside the heat dissipation fins, a tube body fixed on the inner wall of the annular shell, one side of the tube body is tightly attached to the end part of the motor main body, a high-speed fan arranged on the inner wall of the tube body, a guide shell fixed on one side of the annular shell and a dust screen sleeved outside the annular shell.

In a preferred example, the utility model can be further configured that one side of the motor main body is provided with wind holes in an annular array.

In a preferred embodiment, the present utility model may further be configured such that the outer side surface of the annular shell is provided with slots in an annular array, the heat dissipation fins are embedded in the slots, and the top ends of the heat dissipation fins are located inside the slots.

The utility model may in a preferred embodiment be further arranged such that lugs are secured to both sides of the annular housing, through which bolts pass to secure the annular housing to the base.

The present utility model may be further configured in a preferred embodiment to form an air duct between adjacent cooling fins and the annular housing.

By adopting the technical scheme, the beneficial effects obtained by the utility model are as follows:

1. The utility model is provided with a heat radiation mechanism, the heat radiation mechanism is composed of an annular shell, a pipe body, a high-speed fan and a guide shell, the annular shell is sleeved on the heat radiation fins on the outer side of the motor main body, through the arrangement, an air channel is formed between the adjacent heat radiation fins, meanwhile, the pipe body is tightly attached to one side of the motor main body, when the motor main body runs, the high-speed fan rotates to pump out hot air in the inner cavity of the motor main body and blow the guide shell, under the action of the guide shell, high-speed air flow enters the air channel formed by the annular shell and the adjacent heat radiation fins, heat on the heat radiation fins can be taken away rapidly, the heat radiation efficiency of the three-phase torque motor is improved, the high-speed fan supplies power independently, the influence of the rotating speed of the three-phase torque motor is avoided, and the stable high speed of exhaust is ensured.

2. In the utility model, the radiating fins outside the motor main body are composed of the main radiating fins and a plurality of fins symmetrically fixed on two sides of the main radiating fins, so that the radiating area of the radiating fins can be effectively increased, more heat can be taken away when high-speed air passes through the radiating fins, the radiating efficiency is further improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of an exploded construction of the present utility model;

FIG. 3 is a schematic cross-sectional view of the body of the present utility model;

fig. 4 is a schematic structural view of a heat dissipation mechanism according to the present utility model

FIG. 5 is a schematic cross-sectional view of a heat dissipating mechanism of the present utility model;

fig. 6 is a schematic cross-sectional view of a heat dissipation mechanism according to the present utility model.

Reference numerals:

100. The motor comprises a machine body, 110, a motor main body, 111, a wind hole, 120, a base, 130, radiating fins, 131, main radiating fins, 1311, through holes, 132 and fins;

200. The heat dissipation mechanism comprises a heat dissipation mechanism, 210, an annular shell, 211, a slotted hole, 212, an ear plate, 220, a pipe body, 230, a high-speed fan, 240, a diversion shell, 250 and a dust screen.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

Some embodiments of the utility model are described below with reference to the accompanying drawings,

Example 1

Referring to fig. 1 to 6, the present embodiment provides a three-phase torque motor including a machine body 100 and a heat dissipation mechanism 200.

The machine body 100 includes a motor main body 110, a base 120 fixed at the bottom end of the motor main body 110, and heat dissipation fins 130 fixed on the outer side surface of the motor main body 110 in a ring array.

The motor main body 110 is used as a driving source for driving external equipment, the air holes 111 are formed in one side of the motor main body 110 in an annular array, hot air in the inner cavity of the motor main body 110 is conveniently discharged, the base 120 is used for fixing the motor main body 110, and the motor main body 110 is conveniently installed on the equipment.

The heat dissipation fins 130 can conduct heat of the inner cavity of the motor main body 110 and exchange heat with external air, so that heat dissipation of the motor main body 110 is achieved, the heat dissipation fins 130 comprise main heat dissipation fins 131 fixed on the outer side face of the motor main body 110 and a plurality of fins 132 fixed on two sides of the main heat dissipation fins 131, through the arrangement, the heat dissipation area of the heat dissipation fins 130 is effectively increased, more heat can be taken away when high-speed air passes through the heat dissipation fins, heat dissipation efficiency is improved, in addition, through holes 1311 are formed in the top ends of the main heat dissipation fins 131 to be communicated with the inner cavity of the motor main body 110, through the arrangement, external cold air can evenly enter the inner cavity of the motor main body 110, air circulation uniformity of the inner cavity of the motor main body 110 is guaranteed, and air current is prevented from circulating only in a single part of the inner cavity of the motor.

The heat dissipation mechanism 200 is used for dissipating heat of the motor main body 110, and comprises an annular shell 210 sleeved outside the heat dissipation fins 130, a tube 220 fixed on the inner wall of the annular shell 210, one side of which is tightly attached to the end of the motor main body 110, a high-speed fan 230 installed on the inner wall of the tube 220, a diversion shell 240 fixed on one side of the annular shell 210, and a dust screen 250 sleeved outside the annular shell 210.

The annular shell 210 is provided with the slots 211 in an annular array on the outer side surface, the radiating fins 130 are embedded in the slots 211, the top ends of the radiating fins 130 are positioned on the inner side of the slots 211, the mutual interference of air inlet and air exhaust is avoided, and by the arrangement, an air channel is formed between the adjacent radiating fins 130 and the annular shell 210, so that high-speed air flow is convenient for taking away heat on the radiating fins 130.

In addition, the lugs 212 are disposed at both sides of the bottom of the annular shell 210, and bolts penetrate through the lugs 212 to fix the annular shell 210 on the base 120, thereby ensuring the stability of the annular shell 210 and facilitating the installation and removal of the annular shell 210.

The pipe body 220 is fixed inside the annular shell 210, the end of the pipe body is tightly attached to the end of the motor main body 110 for taking away the wind hole 111, the high-speed fan 230 is installed on the inner wall of the pipe body 220 and is independently arranged, and an independent power supply is adopted for supplying power for pumping out the hot air in the inner cavity of the motor main body 110 and blowing the hot air to the diversion shell 240.

The diversion shell 240 is used for guiding high-speed airflow into the air channel between the adjacent heat dissipation fins 130 and the annular shell 210, and the dust screen 250 can prevent dust from entering the inner cavity of the motor main body 110 through the through holes 1311 on the main heat dissipation fins 131.

When the motor is used, the high-speed fan 230 rotates, hot air in the inner cavity of the motor main body 110 is pumped out through the air holes 111 and blown to the guide shell 240, high-speed air flows enter an air channel formed by the shaped shell and the adjacent radiating fins 130 under the action of the guide shell 240, heat on the main radiating fins 131 and the fins 132 can be quickly taken away, and finally the heat is discharged to the external environment, after the high-speed fan 230 discharges the hot air in the inner cavity of the motor, the air pressure in the inner cavity of the motor is reduced, at the moment, the external cold air uniformly enters the inner cavity of the motor through the through holes 1311 on the main radiating fins 131 to absorb the heat, and then the heat is pumped out by the high-speed fan 230 to form circulation, so that the high-efficiency heat dissipation of the motor main body 110 is ensured.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The three-phase torque motor comprises a machine body (100) and a heat dissipation mechanism (200), and is characterized in that the machine body (100) comprises a motor main body (110), a base (120) fixed at the bottom end of the motor main body (110) and heat dissipation fins (130) fixed on the outer side surface of the motor main body (110) in an annular array;

The radiating fins (130) comprise main radiating fins (131) fixed on the outer side surface of the motor main body (110) and a plurality of fins (132) fixed on two sides of the main radiating fins (131), and through holes (1311) are formed in the top ends of the main radiating fins (131) and are communicated with the inner cavity of the motor main body (110);

The heat dissipation mechanism (200) comprises an annular shell (210) sleeved outside the heat dissipation fins (130), a tube body (220) fixed on the inner wall of the annular shell (210) and one side of which is tightly attached to the end part of the motor main body (110), a high-speed fan (230) installed on the inner wall of the tube body (220), a guide shell (240) fixed on one side of the annular shell (210) and a dust screen (250) sleeved outside the annular shell (210).

2. A three-phase torque motor according to claim 1, characterized in that the motor body (110) is provided with wind holes (111) in an annular array on one side.

3. The three-phase torque motor according to claim 1, wherein the annular shell (210) has a circular array of slots (211) on an outer side surface thereof, the heat dissipation fins (130) are embedded in the slots (211), and tips of the heat dissipation fins (130) are located inside the slots (211).

4. A three-phase torque motor according to claim 1, wherein ear plates (212) are fixed to both sides of the annular housing (210), and bolts pass through the ear plates (212) to fix the annular housing (210) to the base (120).

5. A three-phase torque motor according to claim 1, characterized in that air channels are formed between adjacent cooling fins (130) and the annular housing (210).