CN211239548U

CN211239548U - Cooling type permanent magnet synchronous motor

Info

Publication number: CN211239548U
Application number: CN201922391907.6U
Authority: CN
Inventors: 王赟; 王国培
Original assignee: Jiangsu Riseman Energy Conservation Tech Co ltd
Current assignee: Jiangsu Riseman Energy Conservation Tech Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-08-11
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to the technical field of electric machine, and a cooling type PMSM is disclosed, which comprises a housin, the inner wall fixedly connected with cooling tube of casing, the positive swing joint of casing has the output shaft, the liquid outlet has been seted up in the front of casing, the inlet has been seted up in the front of casing, the inner wall fixedly connected with second protection network of inlet, the positive swing joint of casing has the sleeve, telescopic inner wall swing joint has the connecting axle, the one end fixedly connected with stopper of connecting axle, telescopic outer wall fixedly connected with connects the lid, the positive fixedly connected with fin of casing. This cooling type PMSM has reached cooling type PMSM good heat dissipation's purpose, has solved the relatively poor problem of general PMSM heat dissipation, can make the motor carry out effectual heat dissipation to improve PMSM internals's life, further satisfied people's user demand.

Description

Cooling type permanent magnet synchronous motor

Technical Field

The utility model relates to the technical field of electric machines, specifically be cooling type PMSM.

Background

The permanent magnet synchronous motor is a synchronous motor which generates a synchronous rotating magnetic field by permanent magnet excitation, the permanent magnet is used as a rotor to generate a rotating magnetic field, a three-phase stator winding is subjected to armature reaction under the action of the rotating magnetic field to induce three-phase symmetrical current, at the moment, the kinetic energy of the rotor is converted into electric energy, the permanent magnet synchronous motor is used as a generator, in addition, when the three-phase symmetrical current is introduced to the stator side, the three-phase stator current generates the rotating magnetic field in the space due to the difference of one hundred twenty in the spatial position of the three-phase stator, the rotor is subjected to electromagnetic force action in the rotating magnetic field to move, at.

The most structures of the permanent magnet synchronous motors generally used at present are simple, the heat dissipation performance is poor, after long-time work, a lot of heat can be generated, the normal use of some parts inside the permanent magnet synchronous motors can be influenced, the normal work of the permanent magnet synchronous motors is influenced, the service life of the permanent magnet synchronous motors is prolonged, the work efficiency of people is reduced, and the current use requirements of people cannot be met.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a cooling type PMSM possesses advantages such as good heat dissipation, has solved the relatively poor problem of general PMSM thermal diffusivity.

(II) technical scheme

For the purpose of realizing above-mentioned this cooling type PMSM good heat dissipation, the utility model provides a following technical scheme: cooling type PMSM, which comprises a housin, the inner wall fixedly connected with cooling tube of casing, the positive swing joint of casing has the output shaft, the liquid outlet has been seted up in the front of casing, the inlet has been seted up in the front of casing, the inner wall fixedly connected with second protection network of inlet, the positive swing joint of casing has the sleeve, telescopic inner wall swing joint has the connecting axle, the one end fixedly connected with stopper of connecting axle, telescopic outer wall fixedly connected with connects the lid, the positive fixedly connected with fin of casing, the roof fixedly connected with heat-conducting plate of casing, the louvre has been seted up at the top of heat-conducting plate, the first protection network of inner wall fixedly connected with of louvre, the bottom fixedly connected with base of casing.

Preferably, one end of the cooling pipe is fixedly connected with the inner wall of the liquid inlet, and the other end of the cooling pipe is fixedly connected with the inner wall of the liquid outlet.

Preferably, the number of the sleeves, the number of the connecting shafts and the number of the connecting covers are two, and the two connecting covers are movably connected with the liquid outlet and the liquid inlet through the two sleeves and the connecting shafts respectively.

Preferably, the number of the heat conduction plates is four, and the four heat conduction plates are all diamond heat conduction plates.

Preferably, the number of the radiating fins is four to eight, and the four to eight radiating fins are all copper radiating fins.

Preferably, the number of the heat dissipation holes and the number of the first protection net are sixteen, every four heat dissipation holes and every four first protection nets form a group, and the four groups of heat dissipation holes and the four first protection nets are equidistantly arranged at the top of the shell.

Preferably, the number of the second protective nets is two, and the two second protective nets are respectively arranged on the inner wall of the liquid outlet and the inner wall of the liquid inlet.

(III) advantageous effects

Compared with the prior art, the utility model provides a cooling type PMSM possesses following beneficial effect:

1. this cooling type PMSM through mutually supporting use of casing, fin, liquid outlet, inlet, cooling tube, heat-conducting plate, first protection network and louvre, has reached cooling type PMSM good heat dissipation's purpose, has solved the relatively poor problem of general PMSM heat dissipation, can make the motor carry out effectual heat dissipation to improve PMSM internals's life, further satisfied people's user demand.

2. This cooling type PMSM through sleeve, stopper, connecting axle and the connection lid that sets up, can shelter from liquid outlet and inlet, avoids foreign matters such as dust to enter into the inside of cooling tube through liquid outlet and inlet, causes the influence to the normal use of cooling tube, makes people save worry more when using.

3. This cooling type PMSM through heat-conducting plate and the louvre that sets up, can shift the heat that PMSM work produced to the outside, improves PMSM's radiating rate, further makes things convenient for people's use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the cooling tube structure of the present invention;

fig. 4 is a top view of the present invention.

In the figure: 1. a housing; 2. a heat sink; 3. a liquid outlet; 4. a base; 5. an output shaft; 6. a liquid inlet; 7. a sleeve; 8. a limiting block; 9. a connecting shaft; 10. a connecting cover; 11. a cooling tube; 12. a heat conducting plate; 13. a first protection net; 14. heat dissipation holes; 15. and a second protective 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. 1-4, the cooling type permanent magnet synchronous motor includes a housing 1, a cooling pipe 11 fixedly connected to an inner wall of the housing 1, an output shaft 5 movably connected to a front surface of the housing 1, a liquid outlet 3 formed on the front surface of the housing 1, a liquid inlet 6 formed on the front surface of the housing 1, one end of the cooling pipe 11 fixedly connected to an inner wall of the liquid inlet 6, and the other end of the cooling pipe 11 fixedly connected to an inner wall of the liquid outlet 3, a second protection net 15 fixedly connected to an inner wall of the liquid inlet 6, two second protection nets 15 respectively disposed on an inner wall of the liquid outlet 3 and an inner wall of the liquid inlet 6, the second protection net 15 being disposed to prevent foreign matters such as dust from entering the cooling pipe 11 through the liquid outlet 3 and the liquid inlet 6, a sleeve 7 movably connected to the front surface of the housing 1, and a connecting shaft 9 movably connected, one end of the connecting shaft 9 is fixedly connected with a limiting block 8, the outer wall of the sleeve 7 is fixedly connected with connecting covers 10, the number of the sleeves 7, the number of the connecting shafts 9 and the number of the connecting covers 10 are two, the two connecting covers 10 are respectively movably connected with the liquid outlet 3 and the liquid inlet 6 through the two sleeves 7 and the two connecting shafts 9, the sleeve 7, the limiting block 8, the connecting shaft 9 and the connecting covers 10 can shield the liquid outlet 3 and the liquid inlet 6, thereby preventing foreign matters such as dust and the like from entering the cooling tube 11 through the liquid outlet 3 and the liquid inlet 6 to influence the normal use of the cooling tube 11, and further saving worry when in use, the radiating fins 2 are fixedly connected with the front side of the shell 1, the number of the radiating fins 2 is four to eight, and the four to eight radiating fins 2 are copper radiating fins, and the radiating fins are devices for radiating heat-generating electronic elements in an, the heat conducting plate 12 is fixedly connected to the top wall of the shell 1, the number of the heat conducting plates 12 is four, the four heat conducting plates 12 are all diamond heat conducting plates, the material with the best heat conducting property is diamond, the heat conductivity of the diamond is one thousand, three hundred, two thousand, four hundred W/(m K), the heat generated by the motor can be transferred to the outside by arranging the heat conducting plates 12, the heat radiating holes 14 are formed in the top of the heat conducting plates 12, the heat generated by the permanent magnet synchronous motor can be transferred to the outside by arranging the heat conducting plates 12 and the heat radiating holes 14, the heat radiating speed of the permanent magnet synchronous motor is improved, the use of people is further facilitated, the first protective net 13 is fixedly connected to the inner wall of each heat radiating hole 14, the number of the heat radiating holes 14 and the number of the first protective net 13 are sixteen, and every four heat radiating holes 14 and every four first protective nets 13 form a group, and four sets of louvres 14 and first protection network 13 equidistance set up the top at casing 1, through casing 1, fin 2, liquid outlet 3, inlet 6, cooling tube 11, heat-conducting plate 12, the use of mutually supporting of first protection network 13 and louvre 14, the purpose that cooling type PMSM good heat dissipation has been reached, the relatively poor problem of general PMSM heat dissipation has been solved, can make the motor carry out effectual heat dissipation, thereby improve PMSM internals's life, further satisfy people's user demand, casing 1's bottom fixedly connected with base 4.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When using, when needs cool off the heat dissipation to the motor, pour into the coolant liquid through inlet 6, the inside that the coolant liquid enters into casing 1 through cooling tube 11 realizes the inside motor cooling of casing 1, and accessible heat-conducting plate 12 and louvre 14 transfer the outside to the heat that motor work produced simultaneously, dispel the heat to the motor to accomplish work.

To sum up, this cooling type PMSM has reached good heat dissipation's purpose, can make the motor carry out effectual heat dissipation to improve PMSM internals's life, further satisfied people's user demand.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. Cooling type PMSM, including casing (1), its characterized in that: the inner wall of the shell (1) is fixedly connected with a cooling pipe (11), the front of the shell (1) is movably connected with an output shaft (5), the front of the shell (1) is provided with a liquid outlet (3), the front of the shell (1) is provided with a liquid inlet (6), the inner wall of the liquid inlet (6) is fixedly connected with a second protective net (15), the front of the shell (1) is movably connected with a sleeve (7), the inner wall of the sleeve (7) is movably connected with a connecting shaft (9), one end of the connecting shaft (9) is fixedly connected with a limiting block (8), the outer wall of the sleeve (7) is fixedly connected with a connecting cover (10), the front of the shell (1) is fixedly connected with radiating fins (2), the top wall of the shell (1) is fixedly connected with a heat-conducting plate (12), and radiating holes (, the inner wall of louvre (14) fixedly connected with first protection network (13), the bottom fixedly connected with base (4) of casing (1).

2. The cooling type permanent magnet synchronous motor according to claim 1, characterized in that: one end of the cooling pipe (11) is fixedly connected with the inner wall of the liquid inlet (6), and the other end of the cooling pipe (11) is fixedly connected with the inner wall of the liquid outlet (3).

3. The cooling type permanent magnet synchronous motor according to claim 1, characterized in that: the number of the sleeves (7), the number of the connecting shafts (9) and the number of the connecting covers (10) are two, and the two connecting covers (10) are movably connected with the liquid outlet (3) and the liquid inlet (6) through the two sleeves (7) and the two connecting shafts (9) respectively.

4. The cooling type permanent magnet synchronous motor according to claim 1, characterized in that: the number of the heat conduction plates (12) is four, and the four heat conduction plates (12) are all diamond heat conduction plates.

5. The cooling type permanent magnet synchronous motor according to claim 1, characterized in that: the number of the radiating fins (2) is four to eight, and the four to eight radiating fins (2) are all copper radiating fins.

6. The cooling type permanent magnet synchronous motor according to claim 1, characterized in that: the number of the heat dissipation holes (14) and the number of the first protective nets (13) are sixteen, every four heat dissipation holes (14) and every four first protective nets (13) form a group, and the four groups of heat dissipation holes (14) and the four groups of first protective nets (13) are arranged at the top of the shell (1) at equal intervals.

7. The cooling type permanent magnet synchronous motor according to claim 1, characterized in that: the number of the second protective nets (15) is two, and the two second protective nets (15) are respectively arranged on the inner wall of the liquid outlet (3) and the inner wall of the liquid inlet (6).