CN217935360U

CN217935360U - Efficient heat dissipation structure of permanent magnet synchronous motor

Info

Publication number: CN217935360U
Application number: CN202222227487.XU
Authority: CN
Inventors: 葛学鑫
Original assignee: Ge Holding Co ltd
Current assignee: Ge Holding Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-11-29
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses a PMSM's high-efficient heat radiation structure, including bottom plate and the PMSM who sets up at bottom plate top central point and put, the spout has been seted up on the bottom plate, the inside of spout is provided with the movable block, the size of spout and the size phase-match of movable block, the bracing piece is installed at the top of movable block, the quantity of bracing piece is two, two even distributions of bracing piece are on the movable block, fixed mounting has the spacing ring on the lateral wall of bracing piece, be provided with heat-conducting component on the lateral wall of bracing piece, heat-conducting component and PMSM's lateral wall contact, there is heat-radiating component on the top of bracing piece, heat-radiating component is located heat-conducting component's top, heat-conducting component is located the spacing ring. Through the arrangement of the heat dissipation assembly and the heat conduction assembly, the permanent magnet synchronous motor can be dissipated heat when the permanent magnet synchronous motor works.

Description

Efficient heat dissipation structure of permanent magnet synchronous motor

Technical Field

The utility model relates to a PMSM technical field specifically is a PMSM's high-efficient heat radiation structure.

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.

Patent CN207124496U discloses a heat dissipation structure of a permanent magnet synchronous motor, which is only to arrange a heat dissipation fan at the end of the permanent magnet synchronous motor, but the temperature of other parts of the motor is still high, and the heat dissipation effect is poor. Therefore, a high-efficiency heat dissipation structure of the permanent magnet synchronous motor is provided.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a following technical scheme: the utility model provides a PMSM's high-efficient heat radiation structure, includes the bottom plate and sets up PMSM that bottom plate top central point put, the spout has been seted up on the bottom plate, the inside of spout is provided with the movable block, the bracing piece is installed at the top of movable block, fixed mounting has the spacing ring on the lateral wall of bracing piece, be provided with heat-conducting component on the lateral wall of bracing piece, heat-conducting component with PMSM's lateral wall contact, there is heat-radiating component on the top of bracing piece, heat-radiating component is located heat-conducting component's top, heat-conducting component is located on the spacing ring.

Preferably, the heat dissipation assembly comprises a top plate and a cross rod arranged on the top plate, the top end of the supporting rod is inserted into the bottom of the top plate, a through hole is formed in the top plate, the cross rod is installed on the inner wall of the through hole, a fixing rod is installed on the cross rod, the top end of the fixing rod is connected with a motor, and the output end of the motor penetrates through the cross rod and is connected with fan blades.

Through the scheme, the following technical effects can be achieved: quickening the air flow and facilitating better heat dissipation.

Preferably, the heat conduction assembly comprises a radiating fin and a telescopic copper pipe arranged at the bottom of the radiating fin, the radiating fin is sleeved on the side wall of the supporting rod, the radiating fin is located above the limiting ring, the bottom end of the telescopic copper pipe is connected with a heat conduction copper sheet, and the heat conduction copper sheet is in contact with the side wall of the permanent magnet synchronous motor.

Through the scheme, the following technical effects can be achieved: the heat on the permanent magnet synchronous motor is conveniently transferred to the radiating fins, and better heat dissipation is facilitated.

Preferably, the size of the sliding groove is matched with the size of the moving block.

Through the scheme, the following technical effects can be achieved: so that the moving block moves more stably in the sliding groove.

Preferably, the number of the supporting rods is two, and the two supporting rods are uniformly distributed on the moving block.

Through the scheme, the following technical effects can be achieved: facilitating better support of the top plate and the heat sink.

Preferably, the number of the telescopic copper pipes is three, and the three telescopic copper pipes are uniformly distributed on the heat conduction copper sheet.

Through the scheme, the following technical effects can be achieved: facilitating better heat transfer.

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

1. this a PMSM's high-efficient heat radiation structure, setting through radiator unit, accelerate the air flow, be convenient for better dispel the heat, setting through the bottom plate, support PMSM, setting through spout and movable block, the movable block can remove in the inside of spout, setting through bracing piece and spacing ring, can support roof and fin, through the roof, the setting of horizontal pole and dead lever, can fix and support the motor, setting through motor and flabellum, starter motor, the motor can drive the flabellum and take place to rotate, it flows to drive the air, be convenient for better dispel the heat.

2. This PMSM's high-efficient heat radiation structure, through pouring into the setting of subassembly, can be with on the PMSM heat transfer to the fin, be convenient for better dispel the heat, through the fin, the setting of flexible copper pipe and heat conduction copper sheet, the flexible copper pipe of pulling, flexible copper pipe drives heat conduction copper sheet and PMSM's lateral wall contact, when PMSM produces the heat, the heat passes through on the heat conduction copper sheet transmits flexible copper pipe, the heat transmits on the fin through flexible copper pipe, increase heat radiating area, be convenient for better dispel the heat.

Drawings

Fig. 1 is a schematic view of an efficient heat dissipation structure of a permanent magnet synchronous motor according to the present invention;

fig. 2 is a schematic view of the efficient heat dissipation structure of the pmsm of the present invention from the bottom.

In the figure: 1. a base plate; 101. a chute; 2. a permanent magnet synchronous motor; 3. a moving block; 4. a support bar; 5. a limiting ring; 6. a top plate; 601. a through opening; 7. a cross bar; 8. fixing the rod; 9. a motor; 10. a fan blade; 11. a heat sink; 12. a telescopic copper pipe; 13. a thermally conductive copper sheet.

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.

Example 1:

referring to FIGS. 1-2; the utility model provides a technical scheme: the utility model provides a PMSM's high-efficient heat radiation structure, including bottom plate 1 and the PMSM 2 of setting at 1 top central point of bottom plate and putting, spout 101 has been seted up on bottom plate 1, the inside of spout 101 is provided with movable block 3, the size of spout 101 and the size phase-match of movable block 3, bracing piece 4 is installed at the top of movable block 3, the quantity of bracing piece 4 is two, two even distributions of bracing piece 4 are on movable block 3, fixed mounting has spacing ring 5 on the lateral wall of bracing piece 4, be provided with heat-conducting component on the lateral wall of bracing piece 4, heat-conducting component and PMSM 2's lateral wall contact, there is heat-radiating component on the top of bracing piece 4, heat-radiating component is located heat-conducting component's top, heat-conducting component is located spacing ring 5, heat-radiating component includes roof 6 and the horizontal pole 7 of setting on roof 6, the bottom at roof 6 is inserted on the top of bracing piece 4, through-hole 601 has been seted up on roof 6, horizontal pole 7 is installed on the inner wall through-hole 601, install dead lever 8 on horizontal pole 7, the top of dead lever 8 is connected with motor 9, the output of motor 9 runs through horizontal pole 7 and is connected with flabellum 10.

Specifically, the motor 9 is started, and the motor 9 can drive the fan blades 10 to rotate to drive air to flow, so that better heat dissipation is facilitated.

Example 2:

referring to FIGS. 1-2; the utility model provides a technical scheme: the heat conduction assembly comprises a heat dissipation fin 11 and telescopic copper pipes 12 arranged at the bottom of the heat dissipation fin 11, the heat dissipation fin 11 is sleeved on the side wall of the support rod 4, the heat dissipation fin 11 is located above the limit ring 5, the bottom end of the telescopic copper pipes 12 is connected with heat conduction copper sheets 13, the heat conduction copper sheets 13 are in contact with the side wall of the permanent magnet synchronous motor 2, the number of the telescopic copper pipes 12 is three, and the three telescopic copper pipes 12 are evenly distributed on the heat conduction copper sheets 13.

Specifically, when the permanent magnet synchronous motor 2 generates heat, the heat is transferred to the telescopic copper tube 12 through the heat conduction copper sheet 13, and the heat is transferred to the radiating fins 11 through the telescopic copper tube 12, so that the radiating area is increased, and better heat dissipation is facilitated.

The working principle is as follows:

when using PMSM 2, place movable block 3 in the inside of spout 101, establish fin 11 cover on the lateral wall of bracing piece 4, and be located the top of spacing ring 5, then peg graft roof 6 and bracing piece 4, make roof 6 be located the top of bracing piece 4, promote the inside removal of movable block 3 at spout 101, movable block 3 drives bracing piece 4 and roof 6 that set up on movable block 3 and moves, when fin 11 is located PMSM 2's top, stop to move movable block 3, stimulate telescopic copper pipe 12, telescopic copper pipe 12 drives heat conduction copper sheet 13 and PMSM 2's lateral wall contact, when PMSM 2 produces the heat, the heat transmits telescopic copper pipe 12 on through heat conduction copper sheet 13, the heat transmits fin 11 through telescopic copper pipe 12, increase heat radiating area, be convenient for better dispel the heat, start motor 9, motor 9 can drive heat conduction 10 and rotate, drive the air flow, be convenient for better dispel the heat.

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 PMSM's high-efficient heat radiation structure, is in including bottom plate (1) and setting PMSM (2) that bottom plate (1) top central point put, its characterized in that: the heat dissipation device is characterized in that a sliding groove (101) is formed in the bottom plate (1), a moving block (3) is arranged inside the sliding groove (101), a supporting rod (4) is installed at the top of the moving block (3), a limiting ring (5) is fixedly installed on the side wall of the supporting rod (4), a heat conduction assembly is arranged on the side wall of the supporting rod (4), the heat conduction assembly is in contact with the side wall of the permanent magnet synchronous motor (2), a heat dissipation assembly is arranged on the top end of the supporting rod (4), and is located above the heat conduction assembly, and the heat conduction assembly is located on the limiting ring (5).

2. The efficient heat dissipation structure of a permanent magnet synchronous motor according to claim 1, wherein: the heat dissipation assembly comprises a top plate (6) and a cross rod (7) arranged on the top plate (6), the top end of the support rod (4) is inserted into the bottom of the top plate (6), a through hole (601) is formed in the top plate (6), the cross rod (7) is installed on the inner wall of the through hole (601), a fixing rod (8) is installed on the cross rod (7), the top end of the fixing rod (8) is connected with a motor (9), and the output end of the motor (9) penetrates through the cross rod (7) and is connected with fan blades (10).

3. The efficient heat dissipation structure of a permanent magnet synchronous motor according to claim 2, characterized in that: the heat conduction assembly comprises a heat dissipation fin (11) and a telescopic copper pipe (12) arranged at the bottom of the heat dissipation fin (11), the heat dissipation fin (11) is arranged on the side wall of the support rod (4) in a sleeved mode, the heat dissipation fin (11) is located above the limiting ring (5), the bottom end of the telescopic copper pipe (12) is connected with a heat conduction copper sheet (13), and the heat conduction copper sheet (13) is in contact with the side wall of the permanent magnet synchronous motor (2).

4. The efficient heat dissipation structure of a permanent magnet synchronous motor according to claim 3, wherein: the size of the sliding groove (101) is matched with that of the moving block (3).

5. The efficient heat dissipation structure of a permanent magnet synchronous motor according to claim 4, wherein: the number of the supporting rods (4) is two, and the two supporting rods (4) are uniformly distributed on the moving block (3).

6. The efficient heat dissipation structure of a permanent magnet synchronous motor according to claim 3, wherein: the number of the telescopic copper pipes (12) is three, and the three telescopic copper pipes (12) are uniformly distributed on the heat conduction copper sheet (13).