CN218071145U - Heat radiation structure of small motor - Google Patents

Heat radiation structure of small motor Download PDF

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Publication number
CN218071145U
CN218071145U CN202121846110.1U CN202121846110U CN218071145U CN 218071145 U CN218071145 U CN 218071145U CN 202121846110 U CN202121846110 U CN 202121846110U CN 218071145 U CN218071145 U CN 218071145U
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China
Prior art keywords
heat dissipation
casing
fixedly connected
cold
heat
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CN202121846110.1U
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Chinese (zh)
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胡鹏
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Dongguan Yuejia Electronics Co ltd
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Dongguan Yuejia Electronics Co ltd
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Abstract

The utility model discloses a small-size motor's heat radiation structure, which comprises a housing, the one end of casing is provided with the end cover, the one end fixedly connected with protective housing cover of end cover is kept away from to the casing, protective housing cover's inside is provided with semiconductor heat dissipation mechanism, the bottom fixedly connected with radiating seat of casing, semiconductor heat dissipation mechanism includes semiconductor refrigeration piece, fin, radiator fan, the cold junction of semiconductor refrigeration piece is fixed with the lateral wall of casing. The utility model discloses a semiconductor refrigeration piece, lead cold plate, the fin, radiator fan's setting, a plurality of cold plates that lead that are the annular setting can be even derive the inside heat of motor to semiconductor refrigeration piece for the inside rapid cooling that can of motor, the even and radiating effect of heat dissipation is splendid, and through the hollow seat, the setting of first louvre and second louvre can dispel the heat when motor normal use, the radiating effect is good, avoid the heat to pile up, the life of motor has been increased.

Description

Heat radiation structure of small motor
Technical Field
The utility model relates to the technical field of electric machines, especially, relate to a heat radiation structure of small-size motor.
Background
The motor is an electromagnetic device which converts or transmits electric energy according to the law of electromagnetic induction, or converts one form of electric energy into another form of electric energy. The electric motor converts electric energy into mechanical energy (commonly called as a motor), and the generator converts mechanical energy into electric energy. The motor is represented in the circuit by the letter "M" (old standard "D"). Its main function is to generate driving torque as power source of electric appliance or various machines.
The existing motor generally radiates heat through the radiating fins or the fan, and the radiating effect is not good enough under the high-temperature environment or the serious heating condition of the motor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a heat radiation structure of a small motor.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a heat radiation structure of small-size motor, includes the casing, the one end of casing is provided with the end cover, the one end fixedly connected with protective housing cover of end cover is kept away from to the casing, protective housing cover's inside is provided with semiconductor heat dissipation mechanism, the bottom fixedly connected with radiating seat of casing.
Furthermore, semiconductor cooling mechanism includes semiconductor refrigeration piece, fin, radiator fan, the cold junction of semiconductor refrigeration piece is fixed with the lateral wall of casing, and the hot junction of semiconductor refrigeration piece is fixed with the fin, radiator fan fixes on the surface of fin, and radiator fan can be with the heat that the semiconductor refrigeration piece shifts to the hot junction from the cold junction and dispel fast to improve the heat absorption effect of semiconductor cold junction, thereby improve the inside heat dissipation cooling effect of motor.
Further, the casing be the annular arrangement be provided with a plurality of cold drawing of leading, it is a plurality of lead the one end of cold drawing jointly with the cold junction fixed connection of semiconductor refrigeration piece, it is a plurality of lead the cold drawing respectively through the inner wall fixed connection of a plurality of fixed connection blocks with the casing, be the annular arrangement and be provided with and do benefit to better carrying out even absorption to the heat.
Furthermore, a vent is formed in one end, away from the casing, of the protective hood, a protective screen is arranged inside the vent, and the radiating fan is prevented from damaging other people.
Furthermore, the radiating seat comprises a hollow seat, the top end of the hollow seat is fixedly connected with the lower surface of the casing, the bottom end of the hollow seat is fixedly connected with a fixing bottom plate, first radiating holes are formed in two symmetrical side walls of the hollow seat, a plurality of second radiating holes are formed in the bottom wall surface of the casing connected with the hollow seat, and under the normal condition, heat inside the direct motor directly reaches the first radiating holes through the second radiating holes and is led out.
Furthermore, the inner wall fixedly connected with dust screen that the hollow seat is close to first louvre avoids the dust to get into when the heat dissipation.
Furthermore, it is a plurality of the material of leading cold plate is metallic aluminum, and heat-conduction effect is good, can go out the heat fast.
The utility model has the advantages that:
the utility model discloses a semiconductor refrigeration piece leads cold plate, fin, radiator fan's setting, a plurality of cold plates that lead that are the annular setting can be even derive the inside heat of motor to the semiconductor refrigeration piece for inside can rapid cooling of motor, the even and radiating effect splendid of heat dissipation.
The utility model discloses a hollow seat, the setting of first louvre and second louvre can dispel the heat when the motor normally uses, and the radiating effect is good, avoids the heat to pile up, has increased the life of motor.
Drawings
Fig. 1 is an overall schematic view of a heat dissipation structure of a small-sized motor according to the present invention;
fig. 2 is an internal structural view of a heat dissipation structure of a small-sized motor according to the present invention;
fig. 3 is an internal structure view of the casing in the heat dissipation structure of the small-sized motor of the present invention.
Illustration of the drawings:
1. a housing; 2. an end cap; 3. a protective hood; 301. a vent; 302. a protective mesh plate; 4. a heat sink; 401. a hollow seat; 402. fixing the bottom plate; 403. a first heat dissipation hole; 404. a second heat dissipation hole; 5. a semiconductor heat dissipation mechanism; 501. a semiconductor refrigeration sheet; 502. a heat sink; 503. a heat radiation fan; 6. a cold conducting plate; 7. and fixing the connecting block.
Detailed Description
As shown in fig. 1, the heat dissipation structure of a small motor includes a casing 1, an end cover 2 is disposed at one end of the casing 1, a protective hood 3 is fixedly connected to one end of the casing 1 far away from the end cover 2, a semiconductor heat dissipation mechanism 5 is disposed inside the protective hood 3, and a heat dissipation seat 4 is fixedly connected to a bottom end of the casing 1.
As shown in fig. 2, the semiconductor heat dissipation mechanism 5 includes a semiconductor refrigeration sheet 501, a heat sink 502, a heat dissipation fan 503, the cold end of the semiconductor refrigeration sheet 501 is fixed to the side wall of the casing 1, and the hot end of the semiconductor refrigeration sheet 501 is fixed to the heat sink 502, the heat dissipation fan 503 is fixed to the surface of the heat sink 502, the heat sink seat 4 includes a hollow seat 401, the top end of the hollow seat 401 is fixedly connected to the lower surface of the casing 1, the bottom end of the hollow seat 401 is fixedly connected to a fixing base plate 402, first heat dissipation holes 403 are formed in two symmetric side walls of the hollow seat 401, a plurality of second heat dissipation holes 404 are formed in the bottom wall surface of the casing 1 connected to the hollow seat 401, a dust screen is fixedly connected to the inner wall of the hollow seat 401 close to the first heat dissipation holes 403, a vent 301 is formed in one end of the protective hood 3 far away from the casing 1, and a protective screen plate 302 is disposed inside the vent 301.
As shown in fig. 3, the casing 1 is provided with a plurality of cold drawing 6 of leading that are the annular arrangement, and a plurality of one end of leading cold drawing 6 are common with the cold junction fixed connection of semiconductor refrigeration piece 501, and a plurality of cold drawing 6 of leading are respectively through the inner wall fixed connection of a plurality of fixed connection blocks 7 with casing 1, and a plurality of materials of leading cold drawing 6 are metallic aluminum.
During the use, when the motor normally operates, the heat reaches the inside of hollow seat 401 through second louvre 404 and gives off from first louvre 403, when the motor was overheated, can start semiconductor refrigeration piece 501 and radiator fan 503, and semiconductor refrigeration piece 501 is cooled down to the motor inside through the heat absorption of a plurality of cold plates 6 that lead, and the heat that absorbs shifts to semiconductor refrigeration piece 501's hot junction is passed through fin 502 and radiator fan 503 and is given off the heat.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a heat radiation structure of small-size motor, includes casing (1), its characterized in that: the one end of casing (1) is provided with end cover (2), the one end fixedly connected with protective housing cover (3) of end cover (2) are kept away from in casing (1), the inside of protective housing cover (3) is provided with semiconductor heat dissipation mechanism (5), the bottom fixedly connected with radiating seat (4) of casing (1).
2. The heat dissipation structure of a small-sized motor according to claim 1, wherein: the semiconductor cooling mechanism (5) comprises a semiconductor refrigeration piece (501), a cooling fin (502) and a cooling fan (503), wherein the cold end of the semiconductor refrigeration piece (501) is fixed with the side wall of the shell (1), the hot end of the semiconductor refrigeration piece (501) is fixed with the cooling fin (502), and the cooling fan (503) is fixed on the surface of the cooling fin (502).
3. The heat dissipation structure of a small-sized motor according to claim 2, wherein: the cold-end cooling device is characterized in that the annular arrangement of the shell (1) is provided with a plurality of cold guide plates (6), the cold-end cooling device is multiple, one end of each cold guide plate (6) is fixedly connected with the cold end of the semiconductor refrigeration piece (501), and the cold guide plates (6) are fixedly connected with the inner wall of the shell (1) through a plurality of fixed connection blocks (7) respectively.
4. The heat dissipation structure of a small-sized motor according to claim 1, wherein: one end, far away from the machine shell (1), of the protective hood (3) is provided with a vent (301), and a protective screen plate (302) is arranged inside the vent (301).
5. The heat dissipation structure of a small-sized motor according to claim 1, wherein: the radiating seat (4) comprises a hollow seat (401), the top end of the hollow seat (401) is fixedly connected with the lower surface of the machine shell (1), the bottom end of the hollow seat (401) is fixedly connected with a fixing bottom plate (402), first radiating holes (403) are formed in two symmetrical side walls of the hollow seat (401), and a plurality of second radiating holes (404) are formed in the surface of the bottom wall of the machine shell (1) connected with the hollow seat (401).
6. The heat dissipating structure of a small-sized motor according to claim 5, wherein: the inner wall of the hollow seat (401) close to the first heat dissipation hole (403) is fixedly connected with a dust screen.
7. The heat dissipating structure of a small-sized motor according to claim 3, wherein: the cold guide plates (6) are all made of metal aluminum.
CN202121846110.1U 2021-08-09 2021-08-09 Heat radiation structure of small motor Active CN218071145U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121846110.1U CN218071145U (en) 2021-08-09 2021-08-09 Heat radiation structure of small motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121846110.1U CN218071145U (en) 2021-08-09 2021-08-09 Heat radiation structure of small motor

Publications (1)

Publication Number Publication Date
CN218071145U true CN218071145U (en) 2022-12-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121846110.1U Active CN218071145U (en) 2021-08-09 2021-08-09 Heat radiation structure of small motor

Country Status (1)

Country Link
CN (1) CN218071145U (en)

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