CN112803655A - Motor heat radiation structure - Google Patents
Motor heat radiation structure Download PDFInfo
- Publication number
- CN112803655A CN112803655A CN202011609844.8A CN202011609844A CN112803655A CN 112803655 A CN112803655 A CN 112803655A CN 202011609844 A CN202011609844 A CN 202011609844A CN 112803655 A CN112803655 A CN 112803655A
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- China
- Prior art keywords
- radiating
- motor
- heat dissipation
- push rod
- rear end
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a motor heat dissipation structure, which comprises a heat dissipation plate assembly circumferentially and uniformly arranged on a motor, a fan arranged in a rear end cover of the motor, and an auxiliary heat dissipation assembly arranged in the rear end cover; the radiating fin component comprises two radiating fins, a first radiating tube and a second radiating tube, wherein the first radiating tube and the second radiating tube are arranged between the two radiating fins; the auxiliary radiating assembly comprises a rotating ring, a transmission assembly and a pressing balloon, wherein the rotating ring and the transmission assembly are rotatably arranged in the rear end cover, and the pressing balloon is arranged in the radiating pipe II; the first radiating pipe and the second radiating pipe are arranged on the radiating fin, and the fan sucks outside air into the rear end cover and then discharges the air from the port of the first radiating pipe, so that heat on the radiating fin of the motor is taken away, and the radiating performance is improved.
Description
Technical Field
The invention relates to a motor heat dissipation structure.
Background
The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. The motor mainly has the main function of generating driving torque and is used as a power source of electrical appliances or various machines, and a general motor mainly comprises a base, a stator, a rotor, a rotating shaft, a commutator, electric brushes, bearings and the like;
the patent with the application number of 201820270291.X discloses a high-heat-dissipation motor, which comprises a shell, a rotating shaft, a front end cover and a rear end cover, wherein a fan is arranged at one end, positioned outside the rear end cover, of the rotating shaft, a fan cover is arranged on the rear end cover, and an air outlet is formed in the fan cover; the rear end cover comprises an installation sleeve and an installation plate covering the installation hole, and a plurality of air guide holes for sucking air on the surface of the shell into the fan cover are formed between the installation plate and the inner wall of the installation sleeve; the air flow rate on the outer surface of the shell is improved to achieve a better heat dissipation effect; however, since the air flows in the direction from the tail end of the motor to the output shaft end of the motor, and the wind flows to the end of the output shaft of the motor and carries more heat, the heat dissipation effect at the position is poor, and the situation that the motor is overheated due to the poor local heat dissipation can occur, so that the motor with a good and uniform heat dissipation effect needs to be designed.
Disclosure of Invention
The invention provides a motor heat dissipation structure which can solve the problems pointed out in the background technology.
A motor heat radiation structure comprises a heat radiation piece assembly circumferentially and uniformly arranged on a motor, a fan arranged in a rear end cover of the motor, and an auxiliary heat radiation assembly arranged in the rear end cover;
the radiating fin component comprises two radiating fins, a first radiating tube and a second radiating tube, wherein the first radiating tube and the second radiating tube are arranged between the two radiating fins;
the auxiliary radiating assembly comprises a rotating ring, a transmission assembly and a pressing balloon, wherein the rotating ring and the transmission assembly are rotatably arranged in the rear end cover, and the pressing balloon is arranged in the radiating pipe II;
the transmission assembly is used for transmitting the rotation of the rotating shaft to the rotating ring;
the second radiating tube is provided with a push rod, the end part of the push rod extends out of the second radiating tube, one side of the swivel, which is close to the push rod, is fixedly connected with two arc-shaped push plates, and the side surface, which is close to the push rod, of each arc-shaped push plate is an inclined surface;
a spring is further arranged in the heat dissipation pipe, and the push rod can be abutted against the inclined plane of the arc-shaped push plate under the action of the spring;
when the swivel rotates, the push rod can be abutted against the pressing balloon under the pushing of the arc-shaped push plate.
Preferably, a ball is installed at the end of the push rod, and under the action of the spring, the ball at the end of the push rod is abutted to the arc-shaped push plate.
Preferably, the transmission assembly comprises a first gear mounted on the rotating shaft and three second gears rotatably arranged in the rear end cover, and the second gears are simultaneously in meshed connection with the first gears and the rotating ring.
Preferably, the rear end cover is internally and fixedly connected with a wind collecting cover, and the first radiating pipe is communicated with the wind collecting cover through a connecting pipe.
Preferably, the end of the second heat dissipation pipe is provided with an air deflector.
Preferably, a plurality of through holes are formed above the air outlet end of the second radiating pipe.
Compared with the prior art, the invention has the beneficial effects that: the radiating fin is provided with the first radiating pipe and the second radiating pipe, and the fan sucks outside air into the rear end cover and then discharges the air from the port of the first radiating pipe, so that heat on the radiating fin of the motor is taken away, and the radiating performance is improved;
the auxiliary radiating assembly can extrude the pressing ball bag arranged in the radiating pipe II, so that outside air is sucked and exhausted from the opening of the radiating pipe II close to the end part of the motor output shaft, and the outside air is enabled to radiate the radiating fin part close to the end part of the motor output shaft, so that the overall radiating effect of the motor is better and more uniform, and the overheating condition caused by the poor local radiating effect is avoided;
and an air deflector is arranged between the end part of the first radiating pipe and the end part of the second radiating pipe and can prevent the auxiliary radiating assembly from sucking hot air blown out from the first radiating pipe into the second radiating pipe, so that a good radiating effect is kept.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of an auxiliary heat dissipation assembly according to the present invention;
FIG. 3 is a schematic structural view of the wind-collecting cover according to the present invention;
FIG. 4 is a schematic view of a swivel according to the present invention;
FIG. 5 is a cross-sectional view of a heat sink assembly of the present invention;
fig. 6 is a side view of a plurality of heat sink assemblies of the present invention.
Description of reference numerals:
1-motor, 2-fan, 3-radiating fin, 4-radiating pipe I, 5-radiating pipe II, 6-rear end cover, 7-rotary ring, 8-pressing balloon, 9-push rod, 10-arc push plate, 11-gear I, 12-gear II, 13-air collecting cover, 14-connecting pipe, 15-air deflector, 16-through hole and 17-ball.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1 to 6, a heat dissipation structure for a motor according to an embodiment of the present invention includes a heat dissipation plate assembly circumferentially and uniformly disposed on a motor 1, a fan 2 installed in a rear end cover 6 of the motor 1, and an auxiliary heat dissipation assembly installed in the rear end cover 6;
the radiating fin component comprises two radiating fins 3, a first radiating pipe 4 and a second radiating pipe 5 which are arranged between the two radiating fins 3, and one ends of the first radiating pipe 4 and the second radiating pipe 5 are positioned in the rear end cover 6;
the auxiliary heat dissipation assembly comprises a rotating ring 7 which is rotatably arranged in the rear end cover 6, a transmission assembly and a pressing balloon 8 which is arranged in the second heat dissipation pipe 5;
the transmission assembly is used for transmitting the rotation of the rotating shaft to the rotating ring 7;
the second radiating pipe 5 is provided with a push rod 9, the end part of the push rod 9 extends out of the second radiating pipe 5, one side of the rotating ring 7, which is close to the push rod 9, is fixedly connected with two arc-shaped push plates 10, and the side surfaces, which are close to the push rod 9, of the arc-shaped push plates 10 are inclined planes;
a spring is further arranged in the radiating pipe 5, and the push rod 9 can be abutted against the inclined plane of the arc-shaped push plate 10 under the action of the spring;
when the rotating ring 7 rotates, the push rod 9 can be abutted against the pressing balloon 8 under the pushing of the arc-shaped push plate 10.
When the rotating ring 7 rotates, the arc push plate 10 gradually pushes the push rod 9 against the pressing balloon 8 so as to press the pressing balloon 8, and under the action of the spring, the push rod 9 is far away from the pressing balloon 8 so as to restore the pressing balloon 8;
a sealing ring is arranged at the push rod 9 to seal one end of the second radiating pipe 5;
a ball 17 is mounted at the end of the push rod 9, and under the action of the spring, the ball 17 at the end of the push rod 9 is abutted against the arc push plate 10;
the arrangement of the ball 17 effectively reduces the friction force and prolongs the service life;
the transmission assembly comprises a first gear 11 mounted on the rotating shaft and three second gears 12 rotatably arranged in the rear end cover 6, and the second gears 12 are simultaneously in meshed connection with the first gear 11 and the rotating ring 7;
a wind collecting cover 13 is fixedly connected in the rear end cover 6, and the first radiating pipe 4 is communicated with the wind collecting cover 13 through a connecting pipe 14;
and an air deflector 15 is installed at the end part of the second radiating pipe 5.
And a plurality of through holes 16 are formed above the air outlet end of the second radiating pipe 5.
The working principle is as follows: when the motor 1 is started, the fan 2 is driven to rotate, the fan 2 sucks external air into the rear end cover 6 and then blows the external air into the first radiating pipe 4, the air takes away heat on the radiating fins 3 of the motor and discharges the heat from the pipe orifice of the first radiating pipe 4, when the fan 2 rotates, the first gear 11 rotates along with the fan 2, the first gear 11 drives the second gear 12 to rotate, so that the rotary ring 7 rotates, when the rotary ring 7 rotates, the arc-shaped push plate 10 abuts against the push rod 9 to complete the work of extruding and pressing the balloon 8, when the pressing balloon 8 is compressed, hot air in the second radiating pipe 5 is blown out, when the pressing balloon 8 is compressed, the external air is sucked in under the action of the spring, and the radiating function of the second radiating pipe 5; the cooperation of the fan 2 and the auxiliary heat dissipation structure can improve the heat dissipation effect of the heat dissipation fins 3 connected with the second heat dissipation pipe 5 and the first heat dissipation pipe 4, thereby having high heat dissipation performance.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (6)
1. A motor heat radiation structure comprises a heat radiation piece assembly circumferentially and uniformly arranged on a motor and a fan arranged in a rear end cover of the motor, and is characterized by also comprising an auxiliary heat radiation assembly arranged in the rear end cover;
the radiating fin component comprises two radiating fins, a first radiating tube and a second radiating tube, wherein the first radiating tube and the second radiating tube are arranged between the two radiating fins;
the auxiliary radiating assembly comprises a rotating ring, a transmission assembly and a pressing balloon, wherein the rotating ring and the transmission assembly are rotatably arranged in the rear end cover, and the pressing balloon is arranged in the radiating pipe II;
the transmission assembly is used for transmitting the rotation of the rotating shaft to the rotating ring;
the second radiating tube is provided with a push rod, the end part of the push rod extends out of the second radiating tube, one side of the swivel, which is close to the push rod, is fixedly connected with two arc-shaped push plates, and the side surface, which is close to the push rod, of each arc-shaped push plate is an inclined surface;
a spring is further arranged in the heat dissipation pipe, and the push rod can be abutted against the inclined plane of the arc-shaped push plate under the action of the spring;
when the swivel rotates, the push rod can be abutted against the pressing balloon under the pushing of the arc-shaped push plate.
2. The motor with high heat dissipation performance as claimed in claim 1, wherein a ball is mounted at an end of the push rod, and the ball at the end of the push rod is abutted against the arc-shaped push plate under the action of the spring.
3. The motor with high heat dissipation performance as claimed in claim 2, wherein the transmission assembly includes a first gear mounted on the rotating shaft and three second gears rotatably disposed in the rear end cover, and the second gears are engaged with the first gears and the rotating ring.
4. The motor with high heat dissipation performance as claimed in claim 3, wherein a wind-collecting cover is fixedly connected inside the rear end cover, and the heat dissipation pipe is communicated with the wind-collecting cover through a connection pipe.
5. The motor with high heat dissipation performance of claim 4, wherein an air deflector is installed at an end of the second heat dissipation pipe.
6. The motor of claim 5, wherein a plurality of through holes are formed above the air outlet end of the second heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011609844.8A CN112803655A (en) | 2020-12-30 | 2020-12-30 | Motor heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011609844.8A CN112803655A (en) | 2020-12-30 | 2020-12-30 | Motor heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112803655A true CN112803655A (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011609844.8A Pending CN112803655A (en) | 2020-12-30 | 2020-12-30 | Motor heat radiation structure |
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| Country | Link |
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| CN (1) | CN112803655A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115664089A (en) * | 2022-12-15 | 2023-01-31 | 广东顺德伊安电机有限公司 | Waterproof fan motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205212606U (en) * | 2015-12-18 | 2016-05-04 | 浙江齿轮减速电机有限公司 | Gear reduction motor |
| CN106208524A (en) * | 2016-09-28 | 2016-12-07 | 李明晨 | Hollow axle heat radiation inner rotor motor and external rotor electric machine |
| CN209593157U (en) * | 2019-03-27 | 2019-11-05 | 湖南迎德祥机电科技有限公司 | A kind of oil-cooled motor shell |
| CN110925676A (en) * | 2019-12-18 | 2020-03-27 | 江苏云之康建设工程有限公司 | A heat dissipation type lighting apparatus that is used for courtyard to have a dust removal function |
| WO2020186805A1 (en) * | 2019-03-18 | 2020-09-24 | 扬州市华胜机电制造有限公司 | Self-heat-dissipation brushless motor |
| CN211701738U (en) * | 2019-12-02 | 2020-10-16 | 安津 | Convenient automobile motor heat dissipation assembly |
-
2020
- 2020-12-30 CN CN202011609844.8A patent/CN112803655A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205212606U (en) * | 2015-12-18 | 2016-05-04 | 浙江齿轮减速电机有限公司 | Gear reduction motor |
| CN106208524A (en) * | 2016-09-28 | 2016-12-07 | 李明晨 | Hollow axle heat radiation inner rotor motor and external rotor electric machine |
| WO2020186805A1 (en) * | 2019-03-18 | 2020-09-24 | 扬州市华胜机电制造有限公司 | Self-heat-dissipation brushless motor |
| CN209593157U (en) * | 2019-03-27 | 2019-11-05 | 湖南迎德祥机电科技有限公司 | A kind of oil-cooled motor shell |
| CN211701738U (en) * | 2019-12-02 | 2020-10-16 | 安津 | Convenient automobile motor heat dissipation assembly |
| CN110925676A (en) * | 2019-12-18 | 2020-03-27 | 江苏云之康建设工程有限公司 | A heat dissipation type lighting apparatus that is used for courtyard to have a dust removal function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115664089A (en) * | 2022-12-15 | 2023-01-31 | 广东顺德伊安电机有限公司 | Waterproof fan motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20210514 |