CN214069750U

CN214069750U - Permanent magnet synchronous motor with reliable operation

Info

Publication number: CN214069750U
Application number: CN202120011919.6U
Authority: CN
Inventors: 邰崇良
Original assignee: Jiangsu Tingyi Mechanical And Electrical Equipment Co ltd
Current assignee: Jiangsu Tingyi Mechanical And Electrical Equipment Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-08-27
Anticipated expiration: 2031-01-05

Abstract

The utility model discloses a permanent magnet synchronous motor with reliable operation, which comprises a motor body, a motor shaft, a protective cover and an I-shaped base, wherein the bottom of the motor body is fixed with a base, the periphery of the bottom of the base is uniformly connected and provided with an installation piece, the protective cover comprises a surrounding plate and a heat dissipation top plate arranged on the top of the surrounding plate, the surrounding plate is formed by welding four side plates, the surrounding plate is arranged on the periphery of the top of the I-shaped base, the inner walls of the side plates at the front side and the rear side are welded with heat dissipation fins, a silencing block is bonded in the middle of the bottom of the heat dissipation top plate, an installation cavity is arranged in the middle of the I-shaped base, a fan is arranged at the top of the installation cavity, air inlet channels communicated with the installation cavity are arranged at the bottoms of the front end and the rear end of the I-shaped base, air outlet channels communicated with the installation cavity are arranged at the front end and the rear end of the I-shaped base, the utility model has the advantages of low noise and good heat dissipation effect.

Description

Permanent magnet synchronous motor with reliable operation

Technical Field

The utility model relates to the technical field of motors, specifically be a permanent magnet synchronous motor that operates reliably.

Background

The permanent magnet synchronous motor provides excitation by the permanent magnet, so that the structure of the motor is simpler, the processing and assembling cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, and the running reliability of the motor is improved; and because excitation current is not needed, excitation loss is avoided, and the efficiency and the power density of the motor are improved. The permanent magnet synchronous motor is composed of a stator, a rotor, an end cover and the like. The stator is basically the same as a common induction motor, and a lamination structure is adopted to reduce iron loss during the operation of the motor. The rotor can be made into solid or laminated by lamination. The armature winding can adopt a concentrated whole-pitch winding, and can also adopt a distributed short-pitch winding and an unconventional winding.

The motor can send out the noise when the operation, produces the noise pollution, and serious can influence health, and general motor does not set up the mechanism of making an uproar that falls, and the motor during operation can produce the heat, if the heat can not give off very well, makes the motor damage easily. To this end, we propose a permanent magnet synchronous motor that operates reliably.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a move reliable permanent magnet synchronous motor, have the advantage that the noise is little, the radiating effect is good, solved the problem of proposing in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a permanent magnet synchronous motor reliable in operation comprises a motor body, a motor shaft, a protective cover and an I-shaped base, wherein a base is fixed at the bottom of the motor body, mounting pieces are uniformly and integrally connected to the periphery of the bottom of the base, the protective cover comprises a surrounding plate and a heat dissipation top plate mounted at the top of the surrounding plate, the surrounding plate is formed by welding four side plates, heat dissipation fins are welded on the periphery of the top of the I-shaped base, heat dissipation fins are welded on the inner walls of the side plates on the front side and the rear side, one ends of the heat dissipation fins, far away from the side plates, are abutted against the outer wall of the motor body, upper insertion grooves are formed in the periphery of the bottom of the heat dissipation top plate, upper tenon blocks matched with the upper insertion grooves are welded in the middles of the tops of the side plates, a sound attenuation block is bonded in the middles of the bottoms of the heat dissipation top plates, a mounting cavity is formed in the middle of the inside of the I-shaped base, and a fan is mounted at the top of the inside of the mounting cavity, air inlet channels communicated with the installation cavity are formed in the bottoms of the front end and the rear end of the I-shaped base, grid nets are mounted inside the air inlet channels, first air outlet channels communicated with the installation cavity are formed in the front side and the rear side of the top of the I-shaped base, second air outlet channels are formed in the front end and the rear end of the base, and the other ends of the second air outlet channels are correspondingly communicated with the air outlet channels.

Preferably, a lower tenon block extends and is fixed in the middle of the bottom of the side plate on the front side and the rear side, lower slots matched with the lower tenon blocks are formed in the front side and the rear side of the top of the I-shaped base, fixing holes are formed in the front end and the rear end of the I-shaped base, the other end of each fixing hole penetrates through the inner wall surface of each lower slot, and a positioning hole corresponding to the corresponding fixing hole is formed in each lower tenon block.

Preferably, the left side and the right side are respectively bonded with a sealing strip at the bottom of the side plate, and a through hole for the motor shaft to pass through is formed in the middle of the side plate at the front side.

Preferably, the heat dissipation roof is uniformly provided with heat dissipation holes and made of aluminum alloy.

Preferably, the mounting plate is mounted on the top of the drum-shaped base through a bolt, and rubber gaskets are bonded on the bottoms of the base and the mounting plate.

Preferably, the silencing block is made of flame-retardant sponge, air holes are uniformly formed in the silencing block, and the outer diameter of the silencing block is in interference fit with the inner diameter of the coaming.

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

the utility model discloses an open the fan, make outside cold air enter into the installation cavity through inlet air channel inside, set up the grid network, make the impurity in the air difficult to enter into the installation cavity inside, enter into the protection casing inside through outlet air channel one, outlet air channel two at last, set up heat dissipation wing and motor body contact, heat conduction on the motor body is to the heat dissipation wing, cold wind passes through from the clearance between the heat dissipation wing, take away the heat, hot-air is passed through the amortization piece at last, give off to the outside through the louvre, the radiating effect is good; through setting up bounding wall and I-shaped base sealing connection, reduce the noise propagation, set up the amortization piece, the noise absorption, noise reduction effect is good.

Drawings

Fig. 1 is a schematic structural view of a motor body according to the present invention;

fig. 2 is a schematic view of the internal structure of the motor body, the protective cover and the i-shaped base according to the present invention;

fig. 3 is a side view of the present invention with one side panel removed.

In the figure: 1. a motor body; 2. a motor shaft; 3. a base; 31. an air outlet channel II; 4. mounting a sheet; 5. a rubber gasket; 6. an i-shaped base; 61. a mounting cavity; 62. an air inlet channel; 63. a first air outlet channel; 7. a fan; 8. a side plate; 81. a lower tenon block; 82. a tenon mounting block; 83. a sealing strip; 9. heat dissipation fins; 10. a sound-deadening block; 11. a heat dissipation top plate; 111. heat dissipation holes; 12. and (4) grid net.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a permanent magnet synchronous motor with reliable operation comprises a motor body 1, a motor shaft 2, a protective cover and an I-shaped base 6, as shown in figure 1, a base 3 is fixed at the bottom of the motor body 1, mounting pieces 4 are integrally connected and arranged on the periphery of the bottom of the base 3, the mounting pieces 4 are mounted on the top of the I-shaped base 6 through bolts, rubber gaskets 5 are bonded on the bottoms of the base 3 and the mounting pieces 4, the protective cover comprises a surrounding plate and a heat dissipation top plate 11 mounted on the top of the surrounding plate, when the permanent magnet synchronous motor is mounted, the motor body 1 is located in the protective cover, the surrounding plate is formed by welding four side plates 8, the surrounding plate is mounted on the periphery of the top of the I-shaped base 6, heat dissipation fins 9 are welded on the inner walls of the side plates 8 on the front side and the rear side, a plurality of, the end, far away from the side plate 8, of the heat dissipation fin 9 is abutted against the outer wall of the motor body 1, heat dissipation holes 111 are uniformly formed in the heat dissipation top plate 11, the heat dissipation top plate 11 is made of aluminum alloy, a silencing block 10 is bonded in the middle of the bottom of the heat dissipation top plate 11, the silencing block 10 is made of flame-retardant sponge, air holes are uniformly formed in the silencing block 10, air circulation is facilitated, the flame-retardant sponge is of a fluffy and porous structure, air can pass through easily, the silencing effect is good, the outer diameter of the silencing block 10 is in interference fit with the inner diameter of the surrounding plate, a mounting cavity 61 is formed in the middle of the inside of the I-shaped base 6, a fan 7 is mounted at the top of the inside of the mounting cavity 61, air inlet channels 62 communicated with the mounting cavity 61 are formed in the bottoms of the front end and the rear end of the I-shaped base 6, grid meshes 12 are mounted in the air inlet channels 62, and the grid meshes 12 are made of fine metal wires, impurities such as floatage in the filtered air can be intercepted, the front side and the rear side of the top of the I-shaped base 6 are respectively provided with a first air outlet channel 63 communicated with the mounting cavity 61, the front end and the rear end of the base 3 are respectively provided with a second air outlet channel 31, the other end of the second air outlet channel 31 is correspondingly communicated with the first air outlet channel 63, during mounting, the mounting sheet 4 at the bottom of the motor body 1 is mounted in the middle of the top of the I-shaped base 6 through bolts, so that the second air outlet channel 31 and the first air outlet channel 63 are correspondingly communicated, the rubber gasket 5 is arranged, the sealing performance of the communication part of the second air outlet channel 31 and the first air outlet channel 63 is good, so that the air cannot escape, during work, the fan 7 is started, so that the external cold air enters the mounting cavity 61 through the air inlet channel 62, the grid mesh 12 is arranged, so that the impurities in the air are difficult to enter the mounting cavity 61, and finally, the air enters the mounting cavity 61 through the first air outlet channel 63, The second air outlet channel 31 enters the protective cover, the heat dissipation fins 9 are arranged to be in contact with the motor body 1, heat on the motor body 1 is conducted to the heat dissipation fins 9, cold air passes through gaps between the heat dissipation fins 9 to take away the heat, and finally hot air is dissipated to the outside through the silencing block 10 and the heat dissipation holes 111.

As shown in fig. 2 and 3, the middle of the bottom of the side plate 8 at the front and rear sides extends downward and is fixed with a lower tenon block 81, the front and rear sides of the top of the i-shaped base 6 are both provided with lower slots adapted to the lower tenon blocks 81, the front and rear ends of the i-shaped base 6 are both provided with fixing holes, the other ends of the fixing holes penetrate through the inner wall surface of the lower slots, the lower tenon blocks 81 are provided with positioning holes corresponding to the fixing holes, the bottoms of the left and right side plates 8 are both bonded with sealing strips 83, the middle of the front side plate 8 is provided with a through hole for the motor shaft 2 to pass through, the periphery of the bottom of the heat dissipation top plate 11 is provided with upper slots, the middle of the top of the side plate 8 is welded with upper tenon blocks 82 adapted to the upper slots, when mounting, the enclosing plate is mounted around the top of the i-shaped base 6, so that the lower tenon blocks 81 are inserted into the lower slots, then, the bolts sequentially penetrate through the fixing holes in the I-shaped base 6 and the positioning holes in the lower tenon block 81, so that the enclosing plate is stabilized at the top of the I-shaped base 6, the sealing strips 83 are compressed, the sealing performance is good, the outward transmission of noise generated during the operation of the motor body 1 is reduced, and then the heat dissipation top plate 11 is installed at the top of the enclosing plate, so that the upper tenon block 82 is inserted into the slots in the bottom of the heat dissipation top plate 11.

The working principle is as follows: when the permanent magnet synchronous motor with reliable operation is used, firstly, the mounting piece 4 at the bottom of the motor body 1 is mounted in the middle of the top of the I-shaped base 6 through the bolt, so that the air outlet channel II 31 and the air outlet channel I63 are correspondingly communicated with each other, the arranged rubber gasket 5 ensures that the sealing performance of the communication part of the air outlet channel II 31 and the air outlet channel I63 is better, then the enclosing plate is mounted on the periphery of the top of the I-shaped base 6, so that the lower tenon block 81 is inserted into the lower slot, then the bolt sequentially penetrates through the fixing hole on the I-shaped base 6 and the positioning hole on the lower tenon block 81, so that the enclosing plate is stabilized at the top of the I-shaped base 6, at the moment, the sealing strip 83 is compressed, the sealing performance is better, the noise transmission is reduced, then the heat dissipation top plate 11 is mounted at the top of the enclosing plate, so that the upper tenon block 82 is inserted into the upper slot at the bottom of the heat dissipation top plate 11, at the moment, the outer wall of the sound dissipation block 10 is tightly attached to the inner wall of the enclosing plate, make the mounting structure between heat dissipation roof 11 and the bounding wall comparatively firm, the during operation opens fan 7 for inside outside cold air enters into installation cavity 61 through inlet air channel 62, at last through air-out passageway one 63, inside air-out passageway two 31 enters into the protection casing, then cold wind passes through from the clearance between heat dissipation wing 9, takes away the heat, and last hot-air is through amortization piece 10, give off the outside through louvre 111, good heat dissipation.

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

Claims

1. The utility model provides a reliable permanent magnet synchronous motor of operation, includes motor body (1), motor shaft (2), protection casing and i-shaped base (6), its characterized in that: the motor comprises a motor body (1), wherein a base (3) is fixed at the bottom of the motor body (1), mounting pieces (4) are integrally connected and arranged on the periphery of the bottom of the base (3), a protective cover comprises a surrounding plate and a heat dissipation top plate (11) arranged on the top of the surrounding plate, the surrounding plate is formed by welding four side plates (8), the surrounding plate is arranged on the periphery of the top of an I-shaped base (6), heat dissipation fins (9) are welded on the inner walls of the side plates (8) on the front side and the rear side, one ends, far away from the side plates (8), of the heat dissipation fins (9) are abutted against the outer wall of the motor body (1), upper inserting grooves are formed in the periphery of the bottom of the heat dissipation top plate (11), upper tenon blocks (82) matched with the upper inserting grooves are welded in the middles of the tops of the side plates (8), a silencing block (10) is bonded in the middles of the bottoms of the heat dissipation top plate (11), a mounting cavity (61) is formed in the middle of the inside of the I-shaped base (6), the fan (7) is installed at the top inside the installation cavity (61), air inlet channels (62) communicated with the installation cavity (61) are formed in the bottoms of the front end and the rear end of the I-shaped base (6), grid nets (12) are installed inside the air inlet channels (62), first air outlet channels (63) communicated with the installation cavity (61) are formed in the front side and the rear side of the top of the I-shaped base (6), second air outlet channels (31) are formed in the front end and the rear end of the base (3), and the other ends of the second air outlet channels (31) are correspondingly communicated with the first air outlet channels (63).

2. The operationally reliable permanent magnet synchronous motor of claim 1, wherein: lower tenon blocks (81) extend downwards and are fixed in the middle of the bottoms of the side plates (8) on the front side and the rear side, lower slots matched with the lower tenon blocks (81) are formed in the front side and the rear side of the top of the I-shaped base (6), fixing holes are formed in the front end and the rear end of the I-shaped base (6), the other ends of the fixing holes penetrate through the inner wall surface of the lower slots, and positioning holes corresponding to the fixing holes are formed in the lower tenon blocks (81).

3. The operationally reliable permanent magnet synchronous motor of claim 1, wherein: the left and right sides the bottom of curb plate (8) all bonds and has sealing strip (83), the front side set up in the middle of curb plate (8) and supply motor shaft (2) pass through the through-hole.

4. The operationally reliable permanent magnet synchronous motor of claim 1, wherein: the heat dissipation roof (11) is uniformly provided with heat dissipation holes (111), and the heat dissipation roof (11) is made of aluminum alloy.

5. The operationally reliable permanent magnet synchronous motor of claim 1, wherein: the mounting piece (4) is mounted on the top of the I-shaped base (6) through bolts, and rubber gaskets (5) are bonded to the bottoms of the base (3) and the mounting piece (4).

6. The operationally reliable permanent magnet synchronous motor of claim 1, wherein: the noise-reduction block (10) is made of flame-retardant sponge, air holes are uniformly formed in the noise-reduction block (10), and the outer diameter of the noise-reduction block (10) is in interference fit with the inner diameter of the coaming.