CN113949199B - Heat dissipation protection device of motor - Google Patents

Heat dissipation protection device of motor Download PDF

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Publication number
CN113949199B
CN113949199B CN202111558055.0A CN202111558055A CN113949199B CN 113949199 B CN113949199 B CN 113949199B CN 202111558055 A CN202111558055 A CN 202111558055A CN 113949199 B CN113949199 B CN 113949199B
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CN
China
Prior art keywords
shell body
shaped cavity
cooling channel
rear cover
housing body
Prior art date
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Active
Application number
CN202111558055.0A
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Chinese (zh)
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CN113949199A (en
Inventor
魏庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Qingquan Pump Co ltd
Original Assignee
Jiangsu Qingquan Pump Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Qingquan Pump Co ltd filed Critical Jiangsu Qingquan Pump Co ltd
Priority to CN202111558055.0A priority Critical patent/CN113949199B/en
Publication of CN113949199A publication Critical patent/CN113949199A/en
Application granted granted Critical
Publication of CN113949199B publication Critical patent/CN113949199B/en
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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
    • H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
    • 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
    • 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
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • 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
    • H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
    • 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
    • H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
    • H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means

Abstract

The invention relates to the technical field of protective devices, in particular to a heat dissipation protective device of a motor, which comprises a shell body and a rear cover, wherein the rear cover is fixed at the rear end of the shell body, an installation space is formed by the rear cover and the shell body, an output shaft of a rotor in the motor extends into the installation space, and a plurality of blades are installed on the output shaft; the cooling device comprises a shell body, wherein a plurality of cooling channels are arrayed along the circumference in the shell body, a liquid inlet and a liquid outlet are arranged on the shell body, and the liquid inlet is communicated with the liquid outlet through the cooling channels. The device can effectively improve the heat dissipation capacity.

Description

Heat dissipation protection device of motor
Technical Field
The invention relates to the technical field of protective devices, in particular to a heat dissipation protective device of a motor.
Background
The motor is a drive arrangement who drives relevant connecting piece and carry out the rotation after the circular telegram starts, often use as the power supply of motion machinery, its fundamental principle utilizes electromagnetic induction phenomenon to convert the electric energy into mechanical energy promptly, therefore in-process that the motor moved, inside coil of motor and iron core all can produce the high fever condition, in case can't in time eliminate, after the temperature exceeded the highest heat-resisting of motor, the inside winding of motor can produce the damage, influence the motor and carry out normal use, so the motor need install corresponding heat radiation structure additional usually, set up the heat dissipation muscle on the shell of current motor and dispel the heat, the radiating effect is poor.
Disclosure of Invention
In order to solve the technical problem, the invention provides a heat dissipation protection device of a motor.
The invention provides the following technical scheme: a heat dissipation protection device of a motor comprises a shell body and a rear cover, wherein the rear cover is locked at the rear end of the shell body, an installation space is formed by the rear cover and the shell body, an output shaft of a rotor in the motor extends into the installation space, and a plurality of blades are installed on the output shaft; the cooling device comprises a shell body, wherein a plurality of cooling channels are arrayed along the circumference in the shell body, a liquid inlet and a liquid outlet are arranged on the shell body, and the liquid inlet is communicated with the liquid outlet through the cooling channels.
Preferably, the cooling passages include a first cooling passage arrayed at an upper circumferential portion of the housing body and a second cooling passage provided at a lower circumferential portion of the housing body.
Preferably, a first arc-shaped cavity is formed in the end portion, close to the rear cover, of the shell body, and the first cooling channel and the second cooling channel are communicated with the first arc-shaped cavity.
Preferably, a second arc-shaped cavity and a third arc-shaped cavity are formed in the end portion, far away from the rear cover, of the shell body, the second arc-shaped cavity is formed in the upper portion of the shell body, the third arc-shaped cavity is formed in the lower portion of the shell body, the first cooling channel is communicated with the second arc-shaped cavity, and the second cooling channel is communicated with the third arc-shaped cavity.
Preferably, the liquid inlet is arranged at the lower end of the shell body, the liquid inlet is communicated with the second cooling channel through the third arc-shaped cavity, the liquid outlet is arranged at the upper end of the shell body, and the liquid outlet is communicated with the first cooling channel through the second arc-shaped cavity.
Preferably, a plurality of grooves are circumferentially arrayed in the inner cavity of the housing body, and the grooves and the cooling channels are arranged in a crossed manner.
Preferably, the rear cover is provided with a plurality of vent holes, and each vent hole is provided with a dust screen.
Preferably, the circular truncated cone is installed on the inner side wall of the rear cover, and the cross section of the circular truncated cone is in an isosceles trapezoid shape.
Preferably, the back lid is locked through a plurality of locking part on the housing body, locking part includes locking bolt, lock nut and extensible member, cover after and be equipped with a plurality of first installation slot, be equipped with on the housing body a plurality of with the second installation slot that first installation slot matches, the both sides of second installation slot are equipped with the telescopic extensible member, locking bolt's one end articulates in first installation slot, locking bolt's the other end can block into in the second installation slot, lock nut locks locking bolt's tip.
Preferably, the extensible member is arc-shaped, the shell body is provided with an installation cavity matched with the extensible member, and the end part of the extensible member is connected to the installation cavity through an extensible spring.
The invention relates to a heat dissipation protection device of a motor, which has the beneficial effects that: the cooling liquid enters into cooling channel through the inlet to even being covered with whole shell body, the heat that the absorption motor that can be quick produced, the cooling water that absorbs the heat flows out from the liquid outlet, takes away the heat that the motor produced. In addition, the blades are driven to rotate by the rotor, and hot air flow in the motor can be pumped out to the environment, so that the electric heat dissipation effect is further improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the apparatus of the present invention;
FIG. 2 is a schematic cross-sectional view taken at A-A in FIG. 1;
FIG. 3 is a schematic cross-sectional view at B-B in FIG. 1;
FIG. 4 is a schematic cross-sectional view at C-C in FIG. 1;
FIG. 5 is a schematic view of the construction of the rear cover of the apparatus of the present invention;
FIG. 6 is a schematic view of the structure of the locking member of the apparatus of the present invention;
labeled as: 1. a housing body; 2. a rear cover; 3. an installation space; 4. a blade; 5. a liquid inlet; 6. a liquid outlet; 7. a first cooling channel; 8. a second cooling channel; 9. a first arc-shaped cavity; 10. a second arc-shaped cavity; 11. a third arc-shaped cavity; 12. a groove; 13. a vent hole; 14. a circular truncated cone; 15. a dust screen; 16. locking the bolt; 17. locking the nut; 18. a telescoping member; 19. a first mounting slot; 20. a second mounting slot; 21. a tension spring; 22. and (7) installing a cavity.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.
As shown in fig. 1 to 5, a heat dissipation protection device for a motor includes a housing body 1 and a rear cover 2, the rear cover 2 is locked at the rear end of the housing body 1, the rear cover 2 and the housing body 1 form an installation space 3, an output shaft of a rotor in the motor extends into the installation space 3, and a plurality of blades 4 are installed on the output shaft; a plurality of cooling channels are arrayed along the circumference in the shell body 1, a liquid inlet 5 and a liquid outlet 6 are arranged on the shell body 1, and the liquid inlet 5 is communicated with the liquid outlet 6 through the cooling channels. The cooling liquid enters into cooling channel through inlet 5 to even being covered with whole shell body 1, the heat that the absorption motor that can be quick produced, the cooling water of absorption heat flows from liquid outlet 6, takes away the heat that the motor produced. In addition, the blades 4 are driven by the rotor to rotate, so that hot air in the motor can be pumped out to the environment, and the electric heat dissipation effect is further improved.
Specifically, the cooling passages include a first cooling passage 7 and a second cooling passage 8, the first cooling passage 7 being arrayed in an upper circumferential portion of the housing body 1, the second cooling passage 8 being provided in a lower circumferential portion of the housing body 1. The end part of the shell body 1 close to the rear cover is provided with a first circular arc-shaped cavity 9, and the first cooling channel 7 and the second cooling channel 8 are communicated with the first circular arc-shaped cavity 9. A second arc-shaped cavity 10 and a third arc-shaped cavity 11 are arranged at the end part, far away from the rear cover 2, of the shell body 1, the second arc-shaped cavity is arranged at the upper part of the shell body, the third arc-shaped cavity is arranged at the lower part of the shell body 1, the first cooling channel 8 is communicated with the second arc-shaped cavity 10, and the second cooling channel 8 is communicated with the third arc-shaped cavity 11.
The liquid inlet 5 is arranged at the lower end of the shell body 1, the liquid inlet 5 is communicated with the second cooling channel 8 through the third arc-shaped cavity 11, the liquid outlet 5 is arranged at the upper end of the shell body 1, and the liquid outlet 5 is communicated with the first cooling channel 7 through the second arc-shaped cavity 10. The cooling liquid enters the third arc-shaped cavity 11 through the liquid inlet 5, is input into the first arc-shaped cavity 9 through the second cooling channel 8, is input into the second arc-shaped cavity 9 through the first cooling channel 7, and outputs heat through the liquid outlet 6. The first cooling passages 7 and the second cooling passages 8 are uniformly distributed along the periphery of the housing body 1, thereby improving the heat dissipation capability of the housing body 1.
Along a plurality of recesses 12 of circumference array in the inside cavity of housing body 1, recess 12 with cooling channel is the cross arrangement, the inner chamber of housing body 1 has been increased to the change looks to the area of contact of steam and cooling water has been increased, the heat-sinking capability has been improved.
In addition, a plurality of ventilation holes 13 are arrayed on the rear cover 2, and each ventilation hole 13 is provided with a dust screen 15. The inner side wall of the rear cover 2 is provided with a circular truncated cone 14, and the cross section of the circular truncated cone 14 is in an isosceles trapezoid shape. The rotor in the motor drives the blades 4 to rotate, negative pressure is formed at the positions of the blades 4, therefore, hot air flow in the motor can be pumped into the environment, the circular truncated cone 14 can enable the hot air flow to rapidly circulate into the environment along two sides of the circular truncated cone 14, and efficient heat exchange is achieved.
As shown in fig. 2 and 6, the rear cover 2 is locked on the housing body 1 through a plurality of locking components, the locking components include locking bolts 16, locking nuts 17 and telescopic pieces 18, the rear cover 2 is provided with a plurality of first installation clamping grooves 19, the housing body 1 is provided with a plurality of second installation clamping grooves 20 matched with the first installation clamping grooves 19, the two sides of the second installation clamping grooves 20 are provided with telescopic pieces 18, one end of each locking bolt 16 is hinged in the corresponding first installation clamping groove 19, the other end of each locking bolt 16 can be clamped into the corresponding second installation clamping groove 20, and the locking nuts 17 are locked at the end parts of the locking bolts 16. The telescopic piece 18 is arc-shaped, a mounting cavity 22 matched with the telescopic piece 18 is formed in the shell body 1, and the end portion of the telescopic piece 18 is connected to the mounting cavity 22 through a telescopic spring 21. When the rear cover 2 is mounted, the locking bolt 16 is snapped into the second mounting groove 20, and the locking nut 17 is locked to lock the rear cover 2 to the housing body 1. When the locking bolt 16 is clamped into the second mounting clamping groove 20, the locking bolt 16 is located above the telescopic part 18, the telescopic part 18 is pressed downwards at the moment, the mounting cavity 22 is compressed into the telescopic part 18, the space of the second mounting clamping groove 20 is enlarged, the locking bolt 16 is pressed into the second mounting clamping groove 20, the telescopic part 18 is restored to the initial position under the action of the telescopic spring 21, and the locking bolt 16 is locked in the second mounting clamping groove 20.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The heat dissipation protection device of the motor is characterized by comprising a shell body and a rear cover, wherein the rear cover is locked at the rear end of the shell body, an installation space is formed by the rear cover and the shell body, an output shaft of a rotor in the motor extends into the installation space, and a plurality of blades are installed on the output shaft; a plurality of cooling channels are arrayed along the circumference in the shell body, a liquid inlet and a liquid outlet are arranged on the shell body, the liquid inlet is communicated with the liquid outlet through the cooling channels, the cooling channels comprise a first cooling channel and a second cooling channel, the first cooling channel is arrayed on the upper circumference of the shell body, and the second cooling channel is arranged on the lower circumference of the shell body; a circular truncated cone is mounted on the inner side wall of the rear cover, and the cross section of the circular truncated cone is in an isosceles trapezoid shape; a plurality of vent holes are arrayed on the rear cover, and a dustproof net is arranged on each vent hole; the back lid is locked through a plurality of locking part on the shell body, locking part includes locking bolt, lock nut and extensible member, cover after and be equipped with a plurality of first installation slot, be equipped with on the shell body a plurality of with the second installation slot that first installation slot matches, the both sides of second installation slot are equipped with the telescopic extensible member, locking bolt's one end articulates in first installation slot, locking bolt's the other end can block into in the second installation slot, lock nut locks locking bolt's tip.
2. The heat dissipation protector of claim 1, wherein the end of the housing body near the back cover is provided with a first circular arc-shaped cavity, and the first cooling channel and the second cooling channel are communicated with the first circular arc-shaped cavity.
3. The heat dissipation protector for motors of claim 2, wherein the end of the housing body away from the rear cover is provided with a second circular arc-shaped cavity and a third circular arc-shaped cavity, the second circular arc-shaped cavity is disposed at the upper part of the housing body, the third circular arc-shaped cavity is disposed at the lower part of the housing body, the first cooling channel is communicated with the second circular arc-shaped cavity, and the second cooling channel is communicated with the third circular arc-shaped cavity.
4. The heat dissipation protector for motors of claim 3, wherein the liquid inlet is disposed at the lower end of the housing body, the liquid inlet is connected to the second cooling channel through the third arc-shaped cavity, the liquid outlet is disposed at the upper end of the housing body, and the liquid outlet is connected to the first cooling channel through the second arc-shaped cavity.
5. The heat sink shield apparatus according to claim 4, wherein the interior cavity of the housing body has a plurality of circumferentially arrayed grooves, the grooves intersecting the cooling passages.
6. The heat dissipation protector of claim 1, wherein the extension member is arc-shaped, a mounting cavity matched with the extension member is formed in the housing body, and an end of the extension member is connected to the mounting cavity through an extension spring.
CN202111558055.0A 2021-12-20 2021-12-20 Heat dissipation protection device of motor Active CN113949199B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111558055.0A CN113949199B (en) 2021-12-20 2021-12-20 Heat dissipation protection device of motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111558055.0A CN113949199B (en) 2021-12-20 2021-12-20 Heat dissipation protection device of motor

Publications (2)

Publication Number Publication Date
CN113949199A CN113949199A (en) 2022-01-18
CN113949199B true CN113949199B (en) 2022-03-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111558055.0A Active CN113949199B (en) 2021-12-20 2021-12-20 Heat dissipation protection device of motor

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108847751A (en) * 2018-06-28 2018-11-20 苏州索尔达动力科技有限公司 A kind of air cooling system of new-energy automobile driving motor
CN209488340U (en) * 2019-01-10 2019-10-11 佛山市南海区福尼达电器实业有限公司 A kind of highly effective liquid cooling wind turbine
CN213575044U (en) * 2020-10-30 2021-06-29 浙江强力螺栓股份有限公司 Fastening bolt assembly
CN113300526B (en) * 2021-05-11 2022-08-26 浙江方特智能传动有限公司 Environment-friendly energy-saving motor
CN214850783U (en) * 2021-06-28 2021-11-23 卧龙电气驱动集团股份有限公司 A casing and motor for motor

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