CN217335265U - Rare earth permanent magnet synchronous heat dissipation type motor - Google Patents
Rare earth permanent magnet synchronous heat dissipation type motor Download PDFInfo
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- CN217335265U CN217335265U CN202220267447.5U CN202220267447U CN217335265U CN 217335265 U CN217335265 U CN 217335265U CN 202220267447 U CN202220267447 U CN 202220267447U CN 217335265 U CN217335265 U CN 217335265U
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- heat dissipation
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- end cover
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model relates to the technical field of electric machine, a synchronous heat dissipation type motor of tombarthite permanent magnetism is provided. The side wall of the shell of the motor is provided with a hollow interlayer from the top end to the bottom end, the top end of the hollow interlayer is provided with a mounting groove, the inner side wall of the shell is provided with an inner heat dissipation hole, the outer side wall of the shell is provided with an outer heat dissipation hole, and the inner heat dissipation hole and the outer heat dissipation hole are both communicated with the hollow interlayer; a dustproof layer is inserted and embedded in the hollow partition layer; the outer edge of the bottom of the end cover is provided with a circle of convex edge, and when the end cover is installed, the convex edge is inserted into the installation groove; the end cover is provided with a plurality of groups of vent holes, and the inner sides of the vent holes are plugged with dustproof sheets. The utility model has the advantages that: the motor shell is provided with a hollow interlayer, so that the wall thickness of the shell is relatively reduced; be equipped with outer radiating hole and interior louvre on motor housing, be equipped with the dust layer in the cavity interlayer, the heat dissipation of accessible shell, and have the dust layer to prevent dust, when promoting the heat dispersion of motor, do not influence the dustproof leakproofness of motor again.
Description
Technical Field
The utility model relates to the technical field of electric machines, in particular to synchronous heat dissipation type motor of tombarthite permanent magnetism.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor is a driving device which is commonly used, and the normal operation of the motor is the key for ensuring the operation of a production line where the driving device is located.
In the running process of the motor, the stator and the rotor do relative motion, so that heat energy is generated by friction. Usually, the heat in the shell is dissipated by arranging the fan, when the external temperature is higher, the heat dissipation efficiency can not be ensured by the fan, and the heat is accumulated in a large quantity to cause the malfunction of the motor.
In the prior art, the motor mainly radiates heat by itself, but the shell of the motor is thick, so that the heat transfer speed is slow, and the permanent magnet of the permanent magnet motor begins to demagnetize at about eighty degrees.
The problem of high-temperature demagnetization of the permanent magnet motor is a great difficulty which hinders the development and application of the permanent magnet motor, particularly the permanent magnet motor with high power and large torque, the cooling effect of the motor directly influences the performance of the motor, the motor with good cooling effect can reduce the appearance volume of the motor, improve the working efficiency, ensure that the permanent magnet motor is not demagnetized, prolong the service life of the motor and ensure that the motor runs in the best working state.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a synchronous heat dissipation type motor of tombarthite permanent magnetism, mainly used solve the permanent-magnet machine heat dissipation means simple, and the radiating efficiency is low, influences the problem of motor performance.
The above technical problem of the present invention can be solved by the following technical solutions: the device comprises a shell with an opening at the top end, wherein the top end of the shell is connected with an end cover;
the middle of the bottom inside the shell is provided with a bearing sleeve, the bottom of the end cover is also provided with the bearing sleeve, and bearings are arranged in the bearing sleeves;
a rotating shaft is rotatably connected with the shell and a bearing in the bearing sleeve of the end cover;
the rotating shaft is provided with a rotor;
a stator is fixed on the inner wall of the shell;
a heat dissipation fan is arranged on one side, close to the bottom of the shell, of the rotating shaft, and an electric brush is arranged on one side, close to the end cover, of the rotating shaft;
the side wall of the shell is provided with a hollow interlayer from the top end to the bottom end, the top end of the hollow interlayer is provided with a mounting groove, the inner side wall of the shell is provided with an inner heat dissipation hole, the outer side wall of the shell is provided with an outer heat dissipation hole, and the inner heat dissipation hole and the outer heat dissipation hole are both communicated with the hollow interlayer;
a dustproof layer is inserted and embedded in the hollow partition layer;
a circle of convex edge is arranged at the outer edge of the bottom of the end cover, and when the end cover is installed, the convex edge is inserted into the installation groove;
the end cover is provided with a plurality of groups of vent holes, and the inner sides of the vent holes are plugged with dustproof sheets.
Preferably, the inner heat dissipation hole has a larger diameter than the outer heat dissipation hole.
Preferably, the end cap is provided with an opening expanding groove at the bottom of the vent hole, and the dustproof sheet is fixed in the opening expanding groove.
Preferably, the flaring slot is in a truncated cone shape or a cylindrical shape.
Preferably, an annular air dissipation frame is fixed on one side, close to the heat dissipation fan, of the inner wall of the housing, and the air dissipation frame is located on one side, where the heat dissipation fan exhausts air.
Preferably, a plurality of groups of heat dissipation grooves are axially arranged on the outer side of the whole body of the stator in a circumferential direction, and each group of heat dissipation grooves face one group of inner heat dissipation holes.
The utility model has the advantages that:
1. the motor shell is provided with the hollow interlayer, so that the wall thickness of the shell is relatively reduced while the mechanical strength of the shell is not influenced;
2. the motor shell is provided with the outer radiating holes and the inner radiating holes, the dust-proof layer is arranged in the hollow interlayer, the heat can be radiated through the shell, and the dust-proof layer is used for dust prevention, so that the dust-proof sealing performance of the motor is not influenced when the radiating performance of the motor is improved;
3. the outer side wall of the stator is provided with a heat dissipation groove which is communicated with the top end and the bottom end of the motor, so that a stable heat dissipation channel is conveniently formed, and heat inside the stator is conveniently dissipated;
4. the air outlet side of the heat dissipation fan is provided with the air dissipation frame, so that an air channel formed by the heat dissipation fan can be diffused, the heat dissipation efficiency is improved, and the noise of the dispersed heat dissipation air can be reduced.
Drawings
Fig. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a top view of the present invention
FIG. 3 is a front cross-sectional view of the present invention without the component end cap installed;
fig. 4 is a top view of the present invention without the component end cap installed;
the notation in the figure is:
1. a shell, 2 bearing sleeves, 3 rotating shafts, 4 rotors, 5 stators, a stator,
6. Heat radiation fan, 7 electric brush, 8 air radiation frame, 9 hollow interlayer, 10 internal heat radiation hole,
11. Outer radiating hole, 12 dustproof layer, 13 mounting groove, 14 end cover, 15 convex edge,
16. Air vent, 17, dustproof piece, 18, flaring groove, 19, radiating groove.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b):
the rare earth permanent magnet synchronous heat dissipation type motor of the present embodiment, as shown in fig. 1, includes a housing 1 with an opening at the top end, the top end of the housing 1 is connected with an end cover 14;
the middle of the inner bottom of the shell 1 is provided with a bearing sleeve 2, the bottom of the end cover 14 is also provided with the bearing sleeve 2, and bearings are arranged in the bearing sleeves 2;
a rotating shaft 3 is rotatably connected with a bearing in a bearing sleeve 2 of the shell 1 and the end cover 14;
the rotor 4 is arranged on the rotating shaft 3;
a stator 5 is fixed on the inner wall of the shell 1;
a heat dissipation fan 6 is arranged on one side of the rotating shaft 3 close to the bottom of the shell 1, and an electric brush 7 is arranged on one side of the rotating shaft 3 close to the end cover 14;
as shown in fig. 1-4, a hollow interlayer 9 is disposed on the side wall of the housing 1 from the top end to the bottom end, a mounting groove 13 is disposed on the top end of the hollow interlayer 9, an inner heat dissipation hole 10 is disposed on the inner side wall of the housing 1, an outer heat dissipation hole 11 is disposed on the outer side wall of the housing 1, and both the inner heat dissipation hole 10 and the outer heat dissipation hole 11 are communicated with the hollow interlayer 9;
a dustproof layer 12 is inserted into the hollow interlayer 9.
The motor generates heat in the operation process, the heat is blown to the side of the end cover 14 of the motor from the bottom of the motor under the action of the heat dissipation fan 6, and the heat in the motor forms outward-diffused flow force under the action of the heat dissipation fan 6.
The generated heat enters the hollow interlayer 9 from the inner heat dissipation holes 10, and then is dissipated to the outside from the outer heat dissipation holes 11.
A circle of convex edge 15 is arranged at the outer edge of the bottom of the end cover 14, and when the end cover 14 is installed, the convex edge 15 is inserted into the installation groove 13;
in actual design, the convex edge 15 can be independently made into a circular ring, when the end cover 14 is installed, the circular ring is firstly inserted into the installation groove 13, and the end cover 14 is fixed on the circular ring.
The end cover 14 is provided with a plurality of groups of vent holes 16, and the inner sides of the vent holes 16 are plugged with dustproof sheets 17.
Wherein, the aperture of the inner heat dissipation hole 10 is larger than that of the outer heat dissipation hole 11.
Wherein, the end cover 14 is provided with a flaring groove 18 at the bottom of the vent hole 16, and a dustproof sheet 17 is fixed in the flaring groove 18. The hot air in the motor is filtered by the dustproof sheet 17 and then is discharged out of the motor through the flaring groove 18 and the vent hole 16. When the motor is standby, when wind and air enter the motor from the outer side, the air enters the motor through the air holes 16 and the flaring grooves 18 and then enters the motor after being filtered by the dustproof sheet 17. The external dust is blocked by the dustproof sheet 17, and the dustproof effect is achieved.
Wherein the dustproof sheet 17 and the dustproof layer 12 are made of dustproof and breathable materials, such as pearl cotton, gauze and the like.
Wherein the flaring slot 18 is in a truncated cone shape or a cylindrical shape. The inner diameter of the flaring groove 18 is larger than that of the vent hole 16, so that the flow speed of the exhausted hot air in the vent hole 16 is accelerated, and the heat dissipation efficiency can be further improved.
Wherein, the inner wall of shell 1 is fixed with annular scattered wind frame 8 near heat dissipation fan 6 one side, and scattered wind frame 8 is located the one side of heat dissipation fan 6 air-out. The wind blown out by the heat dissipation fan 6 firstly passes through the air dissipation frame 8, and the peripheral wind power fanned out by the heat dissipation fan 6 is dispersed under the action of the air dissipation frame 8, so that the fixation of an air channel is avoided, the heat dissipation is uneven, and the heat dissipation efficiency is improved.
Wherein, the outer side of the whole body of the stator 5 is provided with a plurality of groups of radiating grooves 19 in the circumferential axial direction, and each group of radiating grooves 19 are opposite to one group of inner radiating holes 10.
The wind formed by the heat dissipation fan 6 blows into the heat dissipation groove 19 to take out the heat of the stator 5 and the installation side of the shell 1, and the heat can be blown to the end cover 14 side by wind power and blown out, and can also be blown into the hollow interlayer 9 through the inner heat dissipation holes 10 which are opposite to the heat dissipation groove 19 and then be dissipated from the outer heat dissipation holes 11.
When the motor is used, the heat dissipation fan 6 is driven by the rotating shaft 3 to rotate, and wind power blowing from the bottom end of the motor to the end cover 14 is generated. The wind in the middle of the wind force directly blows the rotor 4 to radiate the rotor 4, the wind at the outer tail can be blocked and diffused by the wind-radiating frame 8, and the wind force is reversed again to form wind force in more directions.
The wind dispersed to the outside enters the gap between the rotor 4 and the stator 5 and enters the heat dissipation grooves 19, and drives away the heat inside the rotor 4 and the stator 5.
Part of the driven heat enters the hollow interlayer 9 from the inner heat dissipation holes 10 and is dissipated to the outside of the motor from the hollow interlayer 9 through the outer heat dissipation holes 11.
A part of the heat to be driven is blown from the gap between the rotor 4 and the stator 5, and from the bottom end of the motor to the end cover 14 side of the motor from the heat dissipation groove 19, and finally is dissipated to the outside of the motor from the air vent 16.
The present embodiment is only an exemplary embodiment of the present invention, and for those skilled in the art, based on the application method and principle disclosed in the present invention, various modifications or variations can be easily made, and not only limited to the structure described in the above embodiments of the present invention, therefore, the manner described in the foregoing is only a preferred embodiment, but not limiting, and all equivalent changes and modifications made according to the present invention are within the scope of the present invention.
Claims (6)
1. A rare earth permanent magnet synchronous heat dissipation type motor comprises a shell (1) with an opening at the top end, wherein the top end of the shell (1) is connected with an end cover (14);
the middle of the bottom inside the shell (1) is provided with a bearing sleeve (2), the bottom of the end cover (14) is also provided with the bearing sleeve (2), and bearings are arranged in the bearing sleeves (2);
a rotating shaft (3) is rotatably connected with the bearing in the bearing sleeve (2) through the shell (1) and the end cover (14);
a rotor (4) is arranged on the rotating shaft (3);
a stator (5) is fixed on the inner wall of the shell (1);
a heat dissipation fan (6) is arranged on one side, close to the bottom of the shell (1), of the rotating shaft (3), and an electric brush (7) is arranged on one side, close to the end cover (14), of the rotating shaft (3);
the heat dissipation device is characterized in that a hollow interlayer (9) is arranged on the side wall of the shell (1) from the top end to the bottom end, a mounting groove (13) is arranged at the top end of the hollow interlayer (9), an inner heat dissipation hole (10) is arranged on the inner side wall of the shell (1), an outer heat dissipation hole (11) is arranged on the outer side wall of the shell (1), and the inner heat dissipation hole (10) and the outer heat dissipation hole (11) are both communicated with the hollow interlayer (9);
a dustproof layer (12) is inserted into the hollow interlayer (9);
a circle of convex edge (15) is arranged at the outer edge of the bottom of the end cover (14), and when the end cover (14) is installed, the convex edge (15) is inserted into the installation groove (13);
the end cover (14) is provided with a plurality of groups of vent holes (16), and the inner sides of the vent holes (16) are plugged with dustproof sheets (17).
2. The rare earth permanent magnet synchronous heat dissipation type motor according to claim 1, wherein the inner heat dissipation holes (10) have a larger diameter than the outer heat dissipation holes (11).
3. The rare earth permanent magnet synchronous heat dissipation type motor according to claim 1, wherein the end cover (14) is provided with a flared groove (18) at the bottom of the vent hole (16), and the dustproof sheet (17) is fixed in the flared groove (18).
4. The rare earth permanent magnet synchronous heat dissipation type motor according to claim 3, wherein the flared slot (18) is a truncated cone or a cylinder.
5. The rare earth permanent magnet synchronous heat dissipation type motor according to claim 1, wherein an annular heat dissipation frame (8) is fixed to the inner wall of the housing (1) on a side close to the heat dissipation fan (6), and the heat dissipation frame (8) is located on a side where the heat dissipation fan (6) blows out air.
6. The rare earth permanent magnet synchronous heat dissipation type motor according to claim 1, wherein a plurality of sets of heat dissipation grooves (19) are axially formed on the outer side of the circumference of the stator (5), and each set of heat dissipation grooves (19) faces one set of inner heat dissipation holes (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220267447.5U CN217335265U (en) | 2022-02-09 | 2022-02-09 | Rare earth permanent magnet synchronous heat dissipation type motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220267447.5U CN217335265U (en) | 2022-02-09 | 2022-02-09 | Rare earth permanent magnet synchronous heat dissipation type motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217335265U true CN217335265U (en) | 2022-08-30 |
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ID=82996137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220267447.5U Active CN217335265U (en) | 2022-02-09 | 2022-02-09 | Rare earth permanent magnet synchronous heat dissipation type motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217335265U (en) |
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2022
- 2022-02-09 CN CN202220267447.5U patent/CN217335265U/en active Active
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