CN210724351U - High-efficiency three-phase asynchronous motor - Google Patents

Abstract

The utility model relates to the technical field of three-phase motors, and discloses a high-efficiency three-phase asynchronous motor, which comprises a motor casing, the outer surface of the motor casing is fixedly connected with a heat sink, and the left side of the motor casing is bolted with a protective cover, A motor base is fixedly connected to the bottom of the motor casing, a junction box is fixedly connected to the front of the motor casing, a tail heat dissipation cover is bolted to the right side of the motor casing, a rotor is movably connected inside the motor casing, and the rotor is fixed inside A rotating shaft is connected, the outer surface of the rotating shaft is movably connected with a snap ring, and the right end of the rotating shaft is fixedly connected with a gear rod. In this high-efficiency three-phase asynchronous motor, the steel ring is fixedly connected to the outer surface of the rotating shaft, so that the steel ring surrounds the rotor. The electromagnetism is more asynchronous, and the kinetic energy is increased under the same effect, and the effect of reducing energy consumption is achieved.

Description

A high-efficiency three-phase asynchronous motor

technical field

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

Background technique

The stability of operation and low cost of three-phase asynchronous motor make it widely used in industrial motors. The existing three-phase asynchronous motor, the internal structure of which is powered by electromagnetic asynchronous, mainly relies on the rotor and stator. The electromagnetic difference between the two is completed, and the electromagnetic energy that relies on electricity is relatively large in energy consumption and serious in heat generation. Now a motor that can reduce energy consumption is needed to replace the traditional process.

SUMMARY OF THE INVENTION

Aiming at the deficiencies of the prior art, the utility model provides a high-efficiency three-phase asynchronous motor, which has the advantages of reducing energy consumption and the like, and solves the problem of large energy consumption of the existing device.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a high-efficiency three-phase asynchronous motor, comprising a motor casing, the outer surface of the motor casing is fixedly connected with a heat sink, and the left side of the motor casing is bolted with a protective cover, The bottom of the motor casing is fixedly connected with a motor base, the front of the motor casing is fixedly connected with a junction box, the right side of the motor casing is bolted with a tail heat dissipation cover, a rotor is movably connected inside the motor casing, and the rotor is fixed inside A rotating shaft is connected, a snap ring is movably connected to the outer surface of the rotating shaft, a gear rod is fixedly connected to the right end of the rotating shaft, a steel ring is fixedly connected to the outer surface of the rotating shaft, and a bayonet pin is fixedly connected to the outer surface of the left end of the rotating shaft. A fixing hole is formed on the left side of the tail heat dissipation cover, a heat dissipation groove is formed on the outer surface of the tail heat dissipation cover, a filter screen is fixedly connected to the right side of the tail heat dissipation cover, and a fan bracket is bolted on the left side of the tail heat dissipation cover. The shaft center of the fan bracket is fixedly connected with a fixed bearing, the inner shaft of the fixed bearing is sleeved with a fan rotating shaft, the right end of the fan rotating shaft is fixedly connected with a cooling fan, and the inner wall of the left end of the fan rotating shaft is provided with internal teeth.

Preferably, the left end of the rotating shaft penetrates the right side of the protective cover and extends to the outer end of the left side of the protective cover, and the right end of the rotating shaft extends into the interior of the rear heat dissipation cover.

Preferably, the number of the snap rings is two, the two snap rings are located on the left and right sides of the rotating shaft respectively, and the outer surface of the snap rings overlaps the interior of the motor housing.

Preferably, the number of the steel rings is four, the four steel rings are evenly distributed on the outer surface of the rotating shaft, and the rotor is located inside the steel rings.

Preferably, the cooling fan is located on the right side of the fan bracket, and a gap is left between the right side of the cooling fan and the filter screen.

Preferably, the left end of the fan rotating shaft penetrates through the inner ring of the fixed bearing and extends to the right end of the rotating shaft, and the inner teeth mesh with the outer surface of the gear rod.

Compared with the prior art, the utility model provides a high-efficiency three-phase asynchronous motor, which has the following beneficial effects:

1. The high-efficiency three-phase asynchronous motor, by fixing the steel ring on the outer surface of the rotating shaft, makes the steel ring surround the rotor. When the stator and the rotor interact to generate asynchronous electromagnetic, the steel ring will be magnetized by the electromagnetic, making it The internal electromagnetism is more asynchronous, and the kinetic energy is increased under the same effect, and the effect of reducing energy consumption is achieved.

2. The high-efficiency three-phase asynchronous motor is fixedly connected with a gear rod at the right end of the rotating shaft and set internal teeth inside the left end of the fan rotating shaft, so that the cooling fan at the rear can be driven to rotate by closing the heat dissipation cover, which is not required during the maintenance process. Like the traditional motor, the fan needs to be disassembled separately, which is convenient for maintenance.

Description of drawings

Fig. 1 is the structural representation of the utility model;

FIG. 2 is a schematic diagram of the rotor structure of the present utility model;

3 is a schematic structural diagram of the cooling fan of the present invention;

FIG. 4 is a schematic diagram of the internal tooth structure of the utility model.

Among them: 1. Motor shell; 2. Heat sink; 3. Protective cover; 4. Motor base; 5. Junction box; 6. Tail cooling cover; 7. Rotor; ;11, steel ring; 12, bayonet; 13, fixing hole; 14, cooling slot; 15, filter; 16, fan bracket; 17, fixed bearing; 18, fan shaft; 19, cooling fan; 20, inner gear .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figure 1-4, a high-efficiency three-phase asynchronous motor, including a motor casing 1, the outer surface of the motor casing 1 is fixedly connected with a heat sink 2, the heat sink 2 is used to improve the heat dissipation effect of the motor, and the left side bolt of the motor casing 1 The protective cover 3 is connected. The protective cover 3 is detachable and can be easily repaired by loosening the bolts. The bottom of the motor housing 1 is fixedly connected to the motor base 4. The motor base 4 is used to fix the motor. The front of the motor housing 1 is fixedly connected with a junction box. 5. The junction box 5 is equipped with three-phase electrical terminals, which are used to supply power to the three-phase motor. The right side of the motor housing 1 is bolted with a tail heat dissipation cover 6. The tail heat dissipation cover 6 is used to improve the heat dissipation effect of the motor and prevent the motor from overheating. , a rotor 7 is movably connected inside the motor housing 1, the rotor 7 is an existing structure, the rotation of the rotor 7 is used to drive an external device, the rotor 7 is fixedly connected with a rotating shaft 8, and the left end of the rotating shaft 8 penetrates the right side of the protective cover 3 And extends to the left outer end of the protective cover 3, the right end of the rotating shaft 8 extends to the inside of the rear heat dissipation cover 6, the outer surface of the rotating shaft 8 is movably connected with a snap ring 9, and the snap ring 9 is used to fix the rotating shaft 8 so that the rotating shaft 8 does not rotate when it is rotated. Shaking occurs, the number of snap rings 9 is two, the two snap rings 9 are located on the left and right sides of the rotating shaft 8, and the outer surface of the snap ring 9 overlaps with the interior of the motor housing 1, and the right end of the rotating shaft 8 is fixedly connected with a gear rod 10 , the diameter of the gear rod 10 is smaller than the diameter of the rotating shaft 8, and the outer surface of the rotating shaft 8 is fixedly connected with a steel ring 11. When the steel ring 11 is energized between the rotor 7 and the stator to generate a magnetic force, it is gradually assimilated and magnetized, which improves the electromagnetic force inside the motor. Asynchronous difference, at the same time when rotating, the steel ring 11 makes the device rotate more forcefully under the action of inertia, the number of steel rings 11 is four, the four steel rings 11 are evenly distributed on the outer surface of the rotating shaft 8, and the rotor 7 Located on the inner side of the steel ring 11, the outer surface of the left end of the rotating shaft 8 is fixedly connected with a bayonet 12. The bayonet 12 is used to prevent the device from slipping and reduce the consumption of kinetic energy when connecting with an external gear or shaft. There are fixing holes 13. The fixing holes 13 are used to fix the fan bracket 16 and the rear heat dissipation cover 6 on the right side of the motor housing 1. The outer surface of the tail heat dissipation cover 6 is provided with a heat dissipation groove 14, and the heat dissipation groove 14 is opened around the tail heat dissipation cover 6. , so that the heat can be well dissipated when the tail of the motor is blocked. The right side of the rear heat dissipation cover 6 is fixedly connected with a filter 15. The filter 15 also improves heat dissipation, which discharges the internal heat horizontally, and the tail heat dissipation cover 6. The left side is bolted with a fan bracket 16. The fan bracket 16 is used to fix the cooling fan 19, so that the cooling fan 19 can run smoothly, so as to dissipate heat. The shaft center of the fan bracket 16 is fixedly connected with a fixed bearing 17. The fixed bearing 17 is used for The friction between the fan shaft 18 and the fan bracket 16 is reduced, and the energy required for the operation of the cooling fan 19 is reduced. The inner shaft of the fixed bearing 17 is sleeved with the fan shaft 18, and the left end of the fan shaft 18 penetrates the inner ring of the fixed bearing 17 and extends to the shaft 8, the inner teeth 20 mesh with the outer surface of the gear rod 10, the right end of the fan shaft 18 is fixedly connected with a cooling fan 19, The hot fan 19 is located on the right side of the fan bracket 16, and there is a gap between the right side of the cooling fan 19 and the filter screen 15. The gap improves the air flow space inside the motor and prevents the accumulation of hot air and causes the temperature to be too high. The left end of the fan shaft 18 The inner wall is provided with inner teeth 20 .

When in use, the motor is fixed by the motor base 4, and then the external power supply is connected through the wiring terminals inside the junction box 5. After the power is turned on, the rotor 7 rotates under the action of the stator, and the electromagnetic field between the stator and the rotor 7 rotates. A part of the force will magnetize the steel ring 11, thereby making the electromagnetism inside the motor more asynchronous and improving the rotational energy efficiency. The rotating rotor 7 drives the gear rod 10 on the right end of the rotating shaft 8, and the rotation of the gear rod 10 drives the fan shaft that meshes with it. 18 rotates, the rotation of the fan shaft 18 makes the cooling fan 19 begin to dissipate heat, and its heat is dissipated through the heat dissipation groove 14 and the filter screen 15 opened on the surface of the rear heat dissipation cover 6. When there is a shield outside the motor, the heat is bounced back. When the heat dissipation port is subjected to air pressure, the hot air diffuses from the heat dissipation groove 14 to the surrounding, so as to improve the heat dissipation effect.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A high efficiency three-phase asynchronous motor, comprising a motor housing (1), characterized in that: the motor comprises a motor shell (1), a radiating fin (2) is fixedly connected to the outer surface of the motor shell (1), a protective cover (3) is bolted to the left side of the motor shell (1), a motor base (4) is fixedly connected to the bottom of the motor shell (1), a junction box (5) is fixedly connected to the front of the motor shell (1), a tail radiating cover (6) is bolted to the right side of the motor shell (1), a rotor (7) is movably connected to the inside of the motor shell (1), a rotating shaft (8) is fixedly connected to the inside of the rotor (7), a clamping ring (9) is movably connected to the outer surface of the rotating shaft (8), a gear rod (10) is fixedly connected to the right end of the rotating shaft (8), a steel ring (11) is fixedly connected to the outer surface of the rotating shaft (8), a clamping pin (12) is fixedly, radiating groove (14) have been seted up to afterbody heat exchanger (6) surface, afterbody heat exchanger (6) right side fixedly connected with filter screen (15) dispel the heat, afterbody heat exchanger (6) left side bolted connection has fan bracket (16), fan bracket (16) axle center fixedly connected with fixing bearing (17), the axle sleeve has fan pivot (18) in fixing bearing (17), fan pivot (18) right-hand member fixedly connected with radiator fan (19), internal tooth (20) have been seted up to fan pivot (18) left end inner wall.

2. A high efficiency three-phase asynchronous motor as claimed in claim 1, characterized in that: the right side that protection casing (3) were run through and extend to protection casing (3) left side outer end to pivot (8) left end, pivot (8) right-hand member extends to inside afterbody heat exchanger (6).

3. A high efficiency three-phase asynchronous motor as claimed in claim 1, characterized in that: the number of snap ring (9) is two, two snap ring (9) are for lieing in the left and right sides of pivot (8) respectively, and snap ring (9) surface and motor housing (1) inside overlap joint.

4. A high efficiency three-phase asynchronous motor as claimed in claim 1, characterized in that: the number of the steel rings (11) is four, the steel rings (11) are uniformly distributed on the outer surface of the rotating shaft (8), and the rotor (7) is positioned on the inner side of the steel rings (11).

5. A high efficiency three-phase asynchronous motor as claimed in claim 1, characterized in that: the cooling fan (19) is positioned on the right side of the fan support (16), and a gap is reserved between the right side of the cooling fan (19) and the filter screen (15).

6. A high efficiency three-phase asynchronous motor as claimed in claim 1, characterized in that: the left end of the fan rotating shaft (18) penetrates through an inner ring of the fixed bearing (17) and extends to the right end of the rotating shaft (8), and the inner teeth (20) are meshed with the outer surface of the gear rod (10).

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