Permanent magnet synchronous motor convenient for heat dissipation

Abstract

The utility model relates to the technical field of motor heat dissipation, and discloses a permanent magnet synchronous motor convenient for heat dissipation, which comprises a base and a main body, the outer wall of the base is provided with a heat dissipation device, the heat dissipation device comprises a water tank, and the inner wall of the water tank is fixedly connected with heat dissipation fins through bolts. The cooling fins fixedly connected in the inner wall of the water tank through bolts are used for cooling water in the water tank, then the water pump is controlled to work, the cooled water in the water tank is pumped out and fed into the water inlet pipe, and the circulating pipe is fixedly welded to the end, away from the water pump, of the water inlet pipe. Water in the water inlet pipe can be fed into the circulating pipe to be circulated, the main body can be cooled in the circulating process, the rotor drives the fan to rotate when rotating, air in the main body is discharged through the heat dissipation holes formed in one end of the main body, heat dissipation is assisted, and the heat dissipation effect of the device is improved. And water flows back into the water tank from the return pipe for reuse.

Description

Technical Field

[0001] The utility model relates to the technical field of motor heat dissipation, in particular to a permanent magnet synchronous motor which is convenient for heat dissipation. Background Art

[0002] A permanent magnet synchronous motor is a synchronous motor that generates a synchronous rotating magnetic field by excitation of a permanent magnet. The permanent magnet acts as a rotor to generate a rotating magnetic field. The three-phase stator winding induces a three-phase symmetrical current through armature reaction under the action of the rotating magnetic field.

[0003] The existing permanent magnet synchronous motor that is easy to dissipate heat can refer to the Chinese utility model patent with authorization announcement number CN211630004U, which discloses a permanent magnet synchronous motor with efficient heat dissipation, "including a main body, a cooling fan is arranged inside the main body, a heat dissipation cover is arranged at one end of the main body, a plurality of connecting wires are arranged inside the main body, and the ends of the plurality of connecting wires pass through the outside of the heat dissipation cover, and a limit plate is arranged on the end surface of the plurality of connecting wires, the limit plate is composed of two parts, one end of the two parts of the limit plate is connected by a rotating shaft, and a clamping block is fixed at the bottom of the other end of one of the limit plates; the limit plate and the connecting wire are detachable through the designed clamping block, spring block, and connecting spring, thereby increasing the flexibility of use of the limit plate, and the two parts of the limit plate are fixed by a quick disassembly and quick assembly method, thereby increasing the convenience of use of the limit plate, and the plurality of connecting wires are sorted through the designed limit plate, thereby increasing the integrity of the plurality of connecting wires, thereby facilitating the disassembly and connection of the user."

[0004] When the above-mentioned device is in use, a cooling fan and a cooling cover are used to quickly dissipate the heat generated by the device during operation. However, when the motor of the above-mentioned device is in use, heat is generated quickly. It is not convenient to quickly cool the motor by only relying on the fan for heat dissipation, which reduces the heat dissipation effect of the device. In addition, the above-mentioned device is not convenient for installing and disassembling the motor, and it is easy to shake during use, which reduces the practicality of the device. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a permanent magnet synchronous motor that is easy to dissipate heat, has the advantages of improving the heat dissipation effect of the device and achieving rapid cooling, has the advantages of facilitating the installation and disassembly of the motor and improving the practicality of the device, and solves the problems raised in the above-mentioned background technology.

[0006] The utility model provides the following technical solution: a permanent magnet synchronous motor that is easy to dissipate heat, comprising a base and a main body, the outer wall of the base is provided with a heat dissipation device, the heat dissipation device comprises a water tank, and the inner wall of the water tank is fixedly connected with a heat sink by bolts, the inner wall of the water tank is fixedly connected with a water pump by bolts, and the top of the water pump is fixedly connected with a water inlet pipe that penetrates the main body by bolts, the end of the water inlet pipe away from the water pump is welded and fixed with a circulation pipe located in the inner wall of the main body, the end of the circulation pipe away from the water inlet pipe is welded and fixed with a return pipe that penetrates the main body, and the end of the return pipe away from the circulation pipe penetrates the water tank.

[0007] As a preferred technical solution of the utility model, a partition is welded and fixed to the inner wall of the water tank, and a round pipe penetrating the partition is welded and fixed to the outer wall of the water pump.

[0008] As a preferred technical solution of the utility model, a cavity is provided in the inner wall of the main body, and the circulation pipe is located in the cavity, a rotor is fixedly connected to the inner wall of the main body, the output shaft of the rotor is rotatably connected to the inner wall of the main body, the end of the rotor away from the output shaft is fixedly connected to a fan by bolts, and a heat dissipation hole is opened at one end of the main body located at the fan.

[0009] As a preferred technical solution of the utility model, a fixing device is provided on the top of the base, and the fixing device includes a connecting rod and a mounting groove, and the connecting rod and the mounting groove are mutually clamped, and the top of the connecting rod is fixedly connected to the bottom of the main body.

[0010] As a preferred technical solution of the utility model, a sliding groove is opened in the inner wall of the installation groove, and the inner wall of the sliding groove is slidably connected with a pull rod, one end of the pull rod is welded and fixed with a clamping block slidably connected to the inner wall of the installation groove, and the outer wall of the pull rod is slidably sleeved with a return spring.

[0011] As a preferred technical solution of the utility model, a slot is provided on the outer wall of the connecting rod opposite to the clamping block, and the outer wall of the clamping block is slidably connected to the slot.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The permanent magnet synchronous motor with easy heat dissipation injects water into a water tank, utilizes the heat sink fixedly connected by bolts on the inner wall of the water tank, so that the heat sink dissipates heat for the water in the water tank, then controls the water pump to pump out the cooled water in the water tank and send it into the water inlet pipe, then utilizes the circulation pipe welded and fixed at one end of the water inlet pipe away from the water pump, so that the water in the water inlet pipe can be sent into the circulation pipe for circulation, and the main body can be cooled during the circulation process, and the rotor drives the fan to rotate when rotating, and the air in the main body is discharged through the heat dissipation holes opened at one end of the main body, so as to assist the heat dissipation and improve the heat dissipation effect of the device, and the water flows back into the water tank from the return pipe for reuse.

[0014] 2. The permanent magnet synchronous motor, which is easy to dissipate heat, places a connecting rod in the inner wall of a mounting groove, and uses the outer wall of the connecting rod to squeeze a card block that is slidably connected in the inner wall of the mounting groove, so that the card block is forced to move and squeeze a reset spring, thereby increasing the elastic potential energy of the reset spring. When the card slot opened on the surface corresponding to the card block on the outer wall of the connecting rod corresponds to the position of the card block, the elastic potential energy of the reset spring is used to send the card block into the card slot, thereby achieving fixed limiting of the connecting rod and thereby achieving fixed installation of the main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the heat dissipation structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the fixed structure of the utility model;

[0019] Figure 5 For this utility model Figure 4 Schematic diagram of the structure at point A in the middle.

[0020] In the figure: 1. base; 2. main body; 3. fixing device; 301. connecting rod; 302. mounting groove; 303. pull rod; 304. block; 305. reset spring; 4. heat dissipation device; 401. water tank; 402. heat sink; 403. water pump; 404. water inlet pipe; 405. circulation pipe; 406. return pipe; 5. rotor; 6. fan. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 A permanent magnet synchronous motor for heat dissipation includes a base 1 and a main body 2. The outer wall of the base 1 is provided with a heat dissipation device 4. The heat dissipation device 4 includes a water tank 401, and the inner wall of the water tank 401 is fixedly connected with a heat sink 402 by bolts. The inner wall of the water tank 401 is fixedly connected with a water pump 403 by bolts, and the top of the water pump 403 is fixedly connected with a water inlet pipe 404 that passes through the main body 2 by bolts. The end of the water inlet pipe 404 away from the water pump 403 is welded and fixed with a circulation pipe 405 located in the inner wall of the main body 2, and the end of the circulation pipe 405 away from the water inlet pipe 404 is welded and fixed with a return pipe 406 that passes through the main body 2, and the end of the return pipe 406 away from the circulation pipe 405 passes through the The water tank 401 is penetrated, a partition is welded and fixed in the inner wall of the water tank 401, and a round tube penetrating the partition is welded and fixed in the outer wall of the water pump 403. Water is injected into the water tank 401, and the heat sink 402 fixed by bolts in the inner wall of the water tank 401 is used to dissipate heat for the water in the water tank 401. Then the water pump 403 is controlled to pump the cooled water in the water tank 401 into the water inlet pipe 404, and then the circulation pipe 405 is welded and fixed at one end of the water inlet pipe 404 away from the water pump 403, so that the water in the water inlet pipe 404 can be sent into the circulation pipe 405 for circulation, and the main body 2 can be cooled during the circulation process.

[0023] A cavity is provided in the inner wall of the main body 2, and the circulation pipe 405 is located in the cavity. The inner wall of the main body 2 is fixedly connected with a rotor 5, and the output shaft of the rotor 5 is rotatably connected to the inner wall of the main body 2. The end of the rotor 5 away from the output shaft is fixedly connected with a fan 6 by bolts, and a heat dissipation hole is provided at one end of the main body 2 located at the fan 6, and when the rotor 5 rotates, the fan 6 is driven to rotate, and the air in the main body 2 is discharged through the heat dissipation holes provided at one end of the main body 2, so as to assist in heat dissipation and improve the heat dissipation effect of the device. Water flows back into the water tank 401 from the return pipe 406 for reuse.

[0024] A fixing device 3 is provided on the top of the base 1, and the fixing device 3 includes a connecting rod 301 and a mounting groove 302, and the connecting rod 301 and the mounting groove 302 are clamped together, and the top of the connecting rod 301 is fixedly connected to the bottom of the main body 2. The connecting rod 301 and the mounting groove 302 are clamped together, so that the mounting groove 302 can limit the connecting rod 301, thereby improving the stability of the device.

[0025] The cam 304 is pressed against the locking cam 306 to release the locking cam 308, thereby preventing the locking cam 308 from being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam 308 being loosened and the locking cam

[0026] Working principle: when in use, the connecting rod 301 is placed in the inner wall of the installation groove 302, and the outer wall of the connecting rod 301 is used to squeeze the block 304 slidably connected in the inner wall of the installation groove 302, so that the block 304 is forced to move and squeeze the reset spring 305, thereby increasing the elastic potential energy of the reset spring 305. When the slots opened on the surfaces corresponding to the outer wall of the connecting rod 301 and the block 304 correspond to the positions of the block 304, the elastic potential energy of the reset spring 305 is used to send the block 304 into the slot, thereby achieving fixed limitation of the connecting rod 301 and thus achieving fixed installation of the main body 2. When it is necessary to disassemble the main body 2, the pull rod 303 is manually pulled to drive the block 304 to withdraw from the slot opened on the outer wall of the connecting rod 301, thereby achieving disassembly of the main body 2. Water is injected into the water tank 401, and the heat sink 402 is fixedly connected to the inner wall of the water tank 401 by bolts, so that the heat sink 402 dissipates heat for the water in the water tank 401, and then the water pump 403 is controlled to work, and the cooled water in the water tank 401 is pumped out and sent to the water inlet pipe 404, and then the circulation pipe 405 is welded and fixed at one end of the water inlet pipe 404 away from the water pump 403, so that the water in the water inlet pipe 404 can be sent into the circulation pipe 405 for circulation, and the main body 2 can be cooled in the circulation process, and the rotor 5 drives the fan 6 to rotate when it rotates, and the air in the main body 2 is discharged through the heat dissipation holes opened at one end of the main body 2, so as to assist in heat dissipation and improve the heat dissipation effect of the device, and the water flows back into the water tank 401 from the return pipe 406 for reuse.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A permanent magnet synchronous motor that is easy to dissipate heat, comprising a base (1) and a main body (2), characterized in that: The outer wall of the base (1) is provided with a heat dissipation device (4), the heat dissipation device (4) comprising a water tank (401), and the inner wall of the water tank (401) is fixedly connected with a heat sink (402) by means of bolts, the inner wall of the water tank (401) is fixedly connected with a water pump (403) by means of bolts, and the top of the water pump (403) is fixedly connected with a water inlet pipe (404) penetrating the main body (2) by means of bolts, the end of the water inlet pipe (404) away from the water pump (403) is welded with a circulation pipe (405) located in the inner wall of the main body (2), the end of the circulation pipe (405) away from the water inlet pipe (404) is welded with a return pipe (406) penetrating the main body (2), and the end of the return pipe (406) away from the circulation pipe (405) penetrates the water tank (401).

2. A permanent magnet synchronous motor for facilitating heat dissipation according to claim 1, characterized in that: A partition is welded and fixed to the inner wall of the water tank (401), and a round pipe penetrating the partition is welded and fixed to the outer wall of the water pump (403).

3. A permanent magnet synchronous motor for facilitating heat dissipation according to claim 1, characterized in that: A cavity is provided in the inner wall of the main body (2), and the circulation pipe (405) is located in the cavity. A rotor (5) is fixedly connected to the inner wall of the main body (2), and an output shaft of the rotor (5) is rotatably connected to the inner wall of the main body (2). An end of the rotor (5) away from the output shaft is fixedly connected to a fan (6) by bolts, and a heat dissipation hole is provided at one end of the main body (2) located at the fan (6).

4. A permanent magnet synchronous motor for facilitating heat dissipation according to claim 1, characterized in that: A fixing device (3) is provided on the top of the base (1), and the fixing device (3) comprises a connecting rod (301) and a mounting groove (302), and the connecting rod (301) and the mounting groove (302) are mutually clamped, and the top of the connecting rod (301) is fixedly connected to the bottom of the main body (2).

5. A permanent magnet synchronous motor for facilitating heat dissipation according to claim 4, characterized in that: A sliding groove is provided in the inner wall of the installation groove (302), and a pull rod (303) is slidably connected to the inner wall of the sliding groove. A clamping block (304) slidably connected to the inner wall of the installation groove (302) is welded and fixed at one end of the pull rod (303), and a return spring (305) is slidably sleeved on the outer wall of the pull rod (303).

6. A permanent magnet synchronous motor for facilitating heat dissipation according to claim 5, characterized in that: The outer wall of the connecting rod (301) opposite to the clamping block (304) is provided with a clamping groove, and the outer wall of the clamping block (304) is slidably connected to the clamping groove.

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