CN202550802U - self cooling motor - Google Patents

Abstract

The utility model discloses a self-heat-dissipation motor, which comprises a shell, a stator, a rotor and a motor rotating shaft, wherein the shell is provided with an end cover, the outer side of the end cover is sleeved with a fan blade which draws air from the inside of the shell to the outside, and the fan blade rotates along with the motor rotating shaft; and heat dissipation holes which are beneficial to air flowing out of the shell are formed in the end covers corresponding to the positions of the fan blades; therefore, the utility model discloses an add and establish the flabellum that can follow the inside past convulsions of casing, the initiative is gone out from the inside convulsions of motor, compares in the conventional art flabellum towards the inside self-cooling motor product of blowing of motor, the utility model discloses a motor product from the radiating effect better, it can take away the temperature in order to reduce the motor with the heat of motor itself sooner to be applied to in the higher temperature environment, further extended the application space of motor product, simultaneously, also help maintaining the preferred working property and the longer life of motor product.

Description

self cooling motor

technical field

The utility model relates to the technology in the field of motors, in particular to a self-radiating motor. the

Background technique

At present, motors are widely used in electronics and automation equipment industries. During the operation of the motor, the heat generated will continue to accumulate with the growth of future time, which will gradually increase the temperature inside the motor, which will affect the performance of the internal parts of the motor and have a great impact on the service life of each part. the

In response to this problem, someone has designed a fan by adding a fan to the motor product, and using the fan to blow the motor to cool down. This solution has a cooling effect on the motor to a certain extent, but its heat dissipation effect is poor. The temperature is still high, resulting in the components inside the motor are still in a relatively harsh working environment. In addition, the fan of the existing motor with self-cooling function can only blow air towards the inside of the motor when the motor shaft is rotating forward or reverse. the

Therefore, need to research out a kind of new technical scheme to solve above-mentioned deficiency. the

Utility model content

In view of this, the utility model aims at the deficiencies of the existing technology, and its main purpose is to provide a self-radiating motor, which actively draws air from the inside of the motor to quickly take away the heat of the motor itself to reduce the temperature of the motor . the

In order to achieve the above object, the utility model adopts the following technical solutions:

A self-radiating motor, comprising a housing, a stator, a rotor, and a motor shaft, wherein the housing has an end cover, and the outer side of the end cover is provided with a fan blade that draws air from the inside of the housing, and the fan blade rotates with the motor shaft ; And, corresponding to the position of the fan blade, a heat dissipation hole is opened on the end cover to facilitate the flow of air out of the housing.

As a preferred solution, the housing is sleeved on the shaft of the motor and rotates with the shaft of the motor, and the end cover of the housing is formed with a sleeve portion outward along the shaft of the motor, and the fan blades are tightly sleeved on the socket. the

As a preferred solution, the fan blade is provided with a socket hole, and the inner wall of the socket hole is provided with a card slot. Embedded in the card slot. the

As a preferred solution, the fan blade includes a base plate and several blades integrally connected to the base plate, the aforementioned socket hole is opened in the middle of the base plate portion, the aforementioned several blades are evenly distributed around the socket hole, and the blades between the base plate portion and the aforementioned end cap. the

As a preferred solution, the plurality of blades are radially distributed around the socket hole. the

As a preferred solution, a diversion groove is formed between the two adjacent blades, and there are several cooling holes, and each cooling hole is set corresponding to a diversion groove. the

As a preferred solution, the outer end surface of the base plate has a flat plate structure, and a convex ring is formed on the inner end surface facing the shell, the socket hole is located in the convex ring, and the periphery of the inner end surface of the substrate is gradually changing toward the end surface of the convex ring. Arc structure. the

As a preferred solution, the plurality of blades are all perpendicular to the outer end surface of the aforementioned base plate along the extension direction of the rotating shaft. the

As a preferred solution, a circuit board is further provided, the circuit board is arranged perpendicular to the rotating shaft of the aforementioned motor, and a heat shield is arranged between the circuit board and the aforementioned stator. the

As a preferred solution, a gap is formed between one side of the circuit board and the heat shield, and the other side of the circuit board is an open structure. the

After the utility model adopts the above-mentioned technical scheme, its beneficial effects are:

1. By adding fan blades that can draw air from the inside of the housing, the air is actively drawn from the inside of the motor to realize independent heat dissipation. The self-heating effect of the motor product is better, it can take away the heat of the motor itself faster to reduce the temperature of the motor, so that it can be applied in a higher temperature environment, further expanding the application space of the motor product, and at the same time, it also helps Maintain the best working performance and long service life of motor products;

2. The fan blade structure in the utility model, its blades are radially distributed around the socket hole, can effectively draw air from the inside of the housing regardless of the forward or reverse rotation of the motor shaft, compared with the fan blades in the traditional technology For self-cooling motor products that can only blow air toward the inside of the motor when the motor shaft is rotating forward or reverse, this fan blade structure can be applied to more motor products to meet the heat dissipation requirements of different motor products;

3. The above-mentioned cooling holes are set corresponding to the diversion grooves of the fan blades, which is conducive to air flow, so that the fan blades can better draw hot air out from the inside of the casing.

In order to more clearly illustrate the structural features and effects of the utility model, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments:

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the preferred embodiment of the present utility model;

Fig. 2 is the cross-sectional enlarged schematic diagram of M-M place in Fig. 1;

Fig. 3 is the exploded schematic view of the preferred embodiment of the utility model;

Fig. 4 is another exploded schematic view of a preferred embodiment of the present invention;

Fig. 5 is a schematic diagram of the three-dimensional structure of the fan blade in a preferred embodiment of the present invention;

Fig. 6 is another exploded schematic view of a preferred embodiment of the utility model;

Fig. 7 is a schematic diagram of the assembly structure of the stator and the heat shield in a preferred embodiment of the present invention.

Explanation of the accompanying drawings:

10. Shell 11. End cover

111. Socketing part 1111. Clamping block

112. The third cooling hole 20. Stator

21. Coil 22. Support seat

221. Shaft column 2211. Front end

2212. Rear end 30. Rotor

40. Motor shaft 50. Fan blades

51. Substrate part 511. Convex ring

512. Socket hole 513. Card slot

52. Blades 53. Diversion grooves

60. Circuit board 61. The second cooling hole

70. Heat insulation board 71. The first cooling hole

80, legs.

Detailed ways

Please refer to FIGS. 1 to 7 , which show the specific structure of a preferred embodiment of the present invention, including a housing 10 , a stator 20 , a rotor 30 , a motor shaft 40 , fan blades 50 and a circuit board 60 . The internal structure and working principle of the motor are not the innovation of this case, so I won’t repeat them here. the

Wherein, the housing 10 is sleeved on the aforementioned motor shaft 40 and rotates with the motor shaft 40; the housing 10 has an end cover 11, and the end cover 11 is formed with a sleeve portion 111 outward along the direction of the motor shaft 40, and A block 1111 protrudes from the outer peripheral side of the sleeve portion 111 , and, corresponding to the position of each guide groove 53 of the fan blade 50 described below, a third cooling hole 112 is opened on the end cover 11 to facilitate air flow out of the housing 10 . the

The fan blade 50 is a fan blade 50 capable of drawing air from the inside of the casing 10 , and is located outside the aforementioned end cover 11 , and rotates with the motor shaft 40 without consuming extra power. As shown in FIG. 5 , the fan blade 50 includes a base plate portion 51 and a plurality of blades 52 integrally connected to the base plate portion 51 , wherein the outer end surface of the base plate portion 51 has a flat plate structure, and its inner end face faces the housing 10 to form a The convex ring 511 is formed with a sleeve hole 512 in the convex ring 511, and the inner end surface of the base plate 51 is in a gradual arc structure toward the end surface of the convex ring 511; the blade 52 is located between the base plate 51 and the aforementioned end cover 11 , the plurality of blades 52 are evenly distributed around the socket hole 111 in a radial shape, and the plurality of blades 52 are all perpendicular to the outer end surface of the aforementioned substrate portion 51 along the extension direction of the motor shaft 40, and are formed between two adjacent blades 52. A guide groove 53 is arranged. the

In this embodiment, the fan blade 50 is tightly socketed on the sleeve portion 111 of the aforementioned end cover 11. The specific structure is that the inner wall of the aforementioned socket hole 512 is concavely provided with a locking groove 513. Correspondingly, The locking block 1111 on the outer peripheral side of the sleeve portion 111 is embedded in the locking groove 513 . the

The circuit board 60 is arranged perpendicular to the aforementioned motor shaft 40, and a heat shield 70 is arranged between the circuit board 60 and the aforementioned stator 20, so as to prevent the heat generated by the aforementioned stator 20 from transferring to the circuit board 60 and causing damage to the circuit board. 60, the heat shield 70 is provided with a first heat dissipation hole 71, and the circuit board 60 is provided with a second heat dissipation hole 61 at a position corresponding to the aforementioned first heat dissipation hole 71; A certain gap is formed between them, and the other side of the circuit board 60 is an open structure without shielding, so that the heat dissipation of the circuit board 60 itself is facilitated. the

The stator 20 includes a coil 21 and a support seat 22, the support seat 22 includes a shaft column 221 arranged along the direction of the motor shaft 40, the aforementioned heat shield 70 is integrally formed and connected to the aforementioned shaft column 221, and the heat shield 70 is perpendicular to The shaft column 221 is provided, and the heat shield 70 is provided with a foot 80; the shaft column 221 is formed with a front end 2211 and a rear end 2212 on both sides of the heat insulation board 70, and the aforementioned coil 21 is fixed on the periphery of the front end 2211 , the aforementioned circuit board 60 is mounted on the periphery of the rear end portion 2212 . the

Briefly describe the heat dissipation process of the motor in this embodiment as follows:

After the motor starts to work, the motor shaft 40 rotates, driving the casing 10 and the fan blade 50 to rotate. When the fan blade 50 rotates, the hot air is extracted from the inside of the casing 10 through the third cooling hole 112 (as shown by the arrow in Figure 2 ) .

The key point of the design of this utility model is that, mainly by adding fan blades that can draw air from the inside of the housing, the air is actively drawn from the inside of the motor to achieve independent heat dissipation, compared with the self-radiating motor in which the fan blades blow toward the inside of the motor As far as the product is concerned, the self-radiation effect of the motor product of the utility model is better, and it can take away the heat of the motor itself faster to reduce the temperature of the motor, so as to be applied in a higher temperature environment, and further expand the range of motor products. At the same time, it also helps to maintain the best working performance and long service life of motor products;

Secondly, the fan blade structure in the utility model can effectively draw air from the inside of the casing regardless of the forward or reverse rotation of the motor shaft. Compared with the traditional technology, the fan blade can only face the For self-heating motor products with air blown inside the motor, this fan blade structure can be applied to more motor products to meet the heat dissipation requirements of different motor products.

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the utility model. the

Claims (10)

1. one kind from the motor that dispels the heat, and comprises housing, stator, rotor and machine shaft, and wherein, this housing has end cap, it is characterized in that: this end cap outside is arranged with from the enclosure interior flabellum of exhausting outward, and this flabellum rotates in company with machine shaft; And, to should the flabellum position, on end cap, offer be beneficial to air flow out housing louvre.

2. according to claim 1 from dispelling the heat motor; It is characterized in that: said housing is socketed in the aforementioned motor rotating shaft; And in company with the machine shaft rotation, the end cap of this housing outwards is formed with the socket part along the machine shaft direction, and aforementioned flabellum fastening-type is socketed on this socket part.

3. according to claim 2 it is characterized in that: said flabellum offers sleeve joint hole, is concaved with draw-in groove on this sleeve joint hole madial wall from dispelling the heat motor, and correspondingly, the socket part outer circumferential side of aforementioned end cap convexes with fixture block, and this fixture block is embedded in the draw-in groove.

4. according to claim 3 from dispelling the heat motor; It is characterized in that: said flabellum comprises that a baseplate part and one are connected in the some blades on the baseplate part; Aforementioned sleeve joint hole is opened in this baseplate part centre position; Aforementioned some blades are distributed in around the sleeve joint hole, and blade is between baseplate part and aforementioned end cap.

5. according to claim 4 from dispelling the heat motor, it is characterized in that: said some blades are aplysia punctata and are distributed in around the aforementioned sleeve joint hole.

6. according to claim 4 it is characterized in that: all be formed with guiding gutter between said adjacent two blades, aforementioned louvre is several from dispelling the heat motor, the corresponding guiding gutter setting respectively of each louvre.

7. according to claim 4 from dispelling the heat motor; It is characterized in that: said baseplate part outer face is plate-like structure; Its inner face is formed with bulge loop towards housing, and aforementioned sleeve joint hole is positioned at this bulge loop, and this substrate inner face periphery is the gradual change type globoidal structure towards the bulge loop end face.

8. according to claim 4 from the motor that dispels the heat, it is characterized in that: said some blades all along the rotating shaft bearing of trend perpendicular to aforesaid base plate portion outer face.

9. according to claim 1 from dispelling the heat motor, it is characterized in that: further be provided with circuit board, this circuit board is provided with perpendicular to the aforementioned motor rotating shaft, and between circuit board and stator former, is provided with thermal insulation board.

10. according to claim 9 from dispelling the heat motor, it is characterized in that: be formed with the gap between said circuit board one side and the thermal insulation board, and the opposite side external of circuit board is a unenclosed construction.

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