CN218771642U - Composite integrated phase-change toothed belt heat dissipation structure for motor - Google Patents
Composite integrated phase-change toothed belt heat dissipation structure for motor Download PDFInfo
- Publication number
- CN218771642U CN218771642U CN202222836055.9U CN202222836055U CN218771642U CN 218771642 U CN218771642 U CN 218771642U CN 202222836055 U CN202222836055 U CN 202222836055U CN 218771642 U CN218771642 U CN 218771642U
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- tooth
- toothed belt
- motor
- winding
- heat dissipation
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 title claims description 13
- 238000004804 winding Methods 0.000 claims abstract description 49
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- 230000005855 radiation Effects 0.000 claims abstract description 6
- 230000007704 transition Effects 0.000 claims abstract description 6
- 238000007723 die pressing method Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 20
- 238000001816 cooling Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to a compound integral type phase transition cogged belt heat radiation structure for motor, including overhang winding and motor housing, be equipped with two at least cogged belts between overhang winding and the motor housing, two at least cogged belts set gradually along the overhang winding axial, and every cogged belt all includes tooth root and tooth top, and the tooth root of arbitrary cogged belt corresponds with the tooth top of adjacent cogged belt and arranges. Each part of the overhang winding in the circumferential direction is divided into at least two areas along the axial direction, and at least one area is in contact with the tooth root of the toothed belt in the at least two areas, so that the condition that the whole axial area in the overhang winding between two adjacent tooth roots is not in contact with the toothed belt is avoided. Through thinning the overhang winding into more little regions from the axial direction to increase the contact of overhang winding and toothed belt on little region, make every homogeneous phase of overhang winding circumference can with toothed belt contact heat transfer, the whole heat dissipation of overhang winding is more even, is favorable to promoting the motor performance, prolongs the life of motor.
Description
Technical Field
The utility model belongs to the technical field of the motor heat dissipation, concretely relates to compound integral type phase transition tooth belt heat radiation structure for motor.
Background
Along with the advance of new energy automobiles to numerous households, the motor industry is also pushed to the wave tip of an air inlet, a rotor running at high speed and a stator running at high current in the era, under the rapid automobile condition, the high-temperature test is always faced, the overall running performance of the automobile is influenced by overload current and an overheated cavity, the temperature can be controlled in the high-speed non-rotating motor, and the important development requirement of the application field of electric automobiles or more motors is met.
The phase-change heat transfer technology represented by the heat pipe plays an irreplaceable role in the heat control problem in the fields of electronic chips, IGBTs and the like, and with the diversification of phase-change devices, the phase-change ultrathin soaking plate and the ultrathin flat heat pipe gradually start to replace the traditional heat pipe heat dissipation mode, so that the maximum heat is taken away with the minimum weight and volume increase ratio.
The application of the ultrathin soaking plate in the field of motors has also been initially successful, for example, for a water-cooled shell motor, the overhanging winding of the motor is equally divided into a plurality of parts in the circumferential direction, an annular toothed belt formed by bending an ultrathin phase change device is arranged between the overhanging winding and the motor shell, the toothed belt comprises a plurality of tooth roots and tooth crests spliced in sequence in a staggered manner, each tooth root of the toothed belt is respectively contacted with one overhanging winding, and each tooth crest of the toothed belt is respectively contacted with the motor shell. When the motor works, the heat of the overhanging winding is firstly transferred to the tooth root of the toothed belt and then transferred to the motor shell from the tooth crest of the toothed belt, and the heat concentration of the stator can be greatly reduced by adopting the heat dissipation mode, so that the local temperature of the stator is reduced by more than 30 ℃.
However, it still has the following technical problems:
overhang winding between two adjacent tooth roots, its axial whole regional all not with the profile of tooth area contact, the difficult transmission of heat of production goes out, leads to the whole heat dissipation of overhang winding not enough even, is unfavorable for promoting motor performance.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model aims at: the utility model provides a compound integral type phase transition tooth belt heat radiation structure for motor, the motor overhanging winding is whole to be dispelled the heat evenly, is favorable to promoting the motor performance.
The utility model discloses the purpose is realized through following technical scheme:
the utility model provides a compound integral type phase transition cogged belt heat radiation structure for motor, includes overhang winding and motor housing, is equipped with two at least cogged belts between overhang winding and the motor housing, and two at least cogged belts set gradually along the overhang winding axial, and every cogged belt all includes tooth root and addendum, and the tooth root of arbitrary cogged belt corresponds with the addendum of adjacent cogged belt and arranges.
Furthermore, the tooth-shaped belt tooth-profile connecting device further comprises a connecting section, wherein the connecting section is arranged between adjacent tooth tops of the tooth-shaped belts, and at least two tooth-shaped belts are respectively connected to the connecting section.
Further, the height of the connecting section is located between the tooth root and the tooth tip.
Further, the tooth root of any one toothed belt is staggered and corresponds to the tooth crest of the adjacent toothed belt.
Further, at least two toothed belts form a multilayer integral structure in a die pressing mode.
Further, at least two toothed belts form an integral structure by welding the side edges.
Further, the interiors of the integrated structures communicate with each other.
Compared with the prior art, the utility model discloses following beneficial effect has:
each part of the overhang winding in the circumferential direction is divided into at least two areas along the axial direction, and at least one area is in contact with the tooth root of the toothed belt in the at least two areas, so that the condition that the whole axial area in the overhang winding between two adjacent tooth roots is not in contact with the toothed belt is avoided. Through thinning the overhang winding into more little regions from the axial direction to increase the contact of overhang winding and toothed belt on the little region, make each part of overhang winding circumference all can with toothed belt contact heat transfer, the whole heat dissipation of overhang winding is more even, is favorable to promoting the motor performance.
Drawings
Fig. 1 is the utility model discloses the structure schematic diagram of motor is applied to phase transition tooth belt heat radiation structure.
Fig. 2 is an enlarged schematic view of fig. 1 at K.
In the figure:
1. a housing;
2. a toothed belt; 2-1, a first layer; 2-2, a second layer; 2-3, a third layer; 2-4, a connecting section;
3. and (4) overhanging the winding.
Detailed Description
The present invention is described in further detail below.
As shown in fig. 1 and 2, the composite integrated phase-change toothed belt heat dissipation structure for the motor comprises an overhanging winding and a motor shell 1, wherein at least two toothed belts are arranged between the overhanging winding and the motor shell 1, the at least two toothed belts are sequentially arranged along the axial direction of the overhanging winding, each toothed belt comprises a tooth root and a tooth top, and the tooth root of any toothed belt is arranged corresponding to the tooth top of an adjacent toothed belt.
After the structure is adopted, each part of the circumferential direction of the overhanging winding is divided into at least two areas along the axial direction, and at least one area is contacted with the tooth root of the toothed belt in the at least two areas, so that the condition that the whole area of the axial direction in the overhanging winding between two adjacent tooth roots is not contacted with the toothed belt is avoided. Through thinning the overhang winding into more little regions from the axial direction to increase the contact of overhang winding and toothed belt on the little region, make each part of overhang winding circumference all can with toothed belt contact heat transfer, the whole heat dissipation of overhang winding is more even, is favorable to promoting the motor performance.
The following description will be made by taking the number of toothed belts as 3 as an example.
The embodiment mainly aims at a water-cooled motor and mainly comprises a motor shell 1, a phase-change toothed belt 2 and a motor overhanging winding 3. And (2) forming the ultrathin phase change device into a three-layer toothed belt along the axial direction of the overhanging winding by die pressing, wherein the tooth tops and the tooth roots of the first layer 2-1 and the third layer 2-3 are consistent, namely, the tooth tops and the tooth roots of the second layer 2-2 are in positive correspondence, the tooth tops and the tooth roots of the second layer 2-2 are in consistent position with the tooth tops and the tooth roots of the first layer 2-1, namely, the tooth tops and the tooth roots between the second layer 2-2 and the first layer 2-1 and between the third layer 2-3 are in inverse correspondence, and the tooth tops and the tooth roots of the three-layer toothed belt are guaranteed to be staggered at intervals.
A section of connecting section 2-4 is arranged between adjacent tooth crests of the toothed belt, and the height of the connecting section 2-4 is positioned between the tooth root and the tooth crest. The 3 toothed belts are respectively connected to the connecting sections 2-4, so that the three layers of toothed belts form an integrated die pressing structure.
And then, winding the integral toothed belt into a ring shape, tightly attaching the tooth top of the toothed belt to the water-cooling shell 1, and tightly attaching the tooth root to the overhanging winding of the electrode stator.
Preferably, the molding layer number of the composite integrated toothed belt can be adjusted according to the actual heat dissipation requirement. When the number of the molding layers is more, namely the number of the toothed belts is more, the overall heat dissipation of the overhanging winding is more uniform.
Preferably, the tooth-shaped belt layers can change the positive and negative corresponding relation between the tooth top and the tooth bottom according to the actual heat dissipation requirement, or form the angle staggered correspondence.
Preferably, each connecting segment 2-4 of the toothed belt can be an integral connection between part of the toothed belt layers, but it is ensured that at least one integral connecting segment 2-4 is formed between every two layers of the toothed belt to form an integral whole.
Preferably, the composite integrated toothed belt is of a multi-layer integrated structure formed by die pressing, and a plurality of single-layer toothed belts can also be formed into an integrated toothed belt by welding opposite side edges.
Preferably, when the composite integrated toothed belt is rolled, the diameter of a circle formed at the bottom end of a tooth root is consistent with the outer diameter of the overhanging winding, and the diameter of a circle formed at the upper end of a tooth top is consistent with the inner diameter of the water-cooling shell 1.
Compared with the prior art, the utility model, its advantage is as follows:
the phase change tooth-shaped belt is utilized to realize phase change heat transfer between the stator overhanging winding of the water-cooled motor and the water-cooled shell 1, thereby greatly reducing the heat concentration of the stator overhanging winding and improving the integral performance of the stator and the motor.
Compared with a single toothed belt, the composite dislocation type toothed belt can enable the toothed belt to wrap the overhanging winding in a larger area, enable all positions of the overhanging winding to radiate heat evenly, and improve the radiating efficiency of the winding comprehensively.
Compound integral type toothed belt compares in compound disconnect-type toothed belt, can realize more convenient installation in practical application to and the stability in the use, the heat dissipation uniformity can obtain better guarantee.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (7)
1. The utility model provides a compound integral type phase transition tooth belt heat radiation structure for motor, includes overhang winding and motor housing, its characterized in that: at least two toothed belts are arranged between the overhang winding and the motor shell, the at least two toothed belts are sequentially arranged along the axial direction of the overhang winding, each toothed belt comprises a tooth root and a tooth top, and the tooth root of any one toothed belt corresponds to the tooth top of the adjacent toothed belt.
2. The composite integrated phase change toothed belt heat dissipation structure for the motor as defined in claim 1, wherein: the tooth-shaped belt tooth-profile connecting device is characterized by further comprising a connecting section, wherein the connecting section is arranged between adjacent tooth tops of the tooth-shaped belts, and at least two tooth-shaped belts are respectively connected to the connecting section.
3. The composite integrated phase-change toothed belt heat dissipation structure for the motor according to claim 2, characterized in that: the height of the connecting section is located between the tooth root and the tooth tip.
4. The composite integrated phase-change toothed belt heat dissipation structure for the motor according to claim 1, characterized in that: the tooth root of any one toothed belt is staggered and corresponds to the tooth crest of the adjacent toothed belt.
5. The composite integrated phase change toothed belt heat dissipation structure for the motor as defined in claim 1, wherein: at least two toothed belts form a multi-layer integral structure in a die pressing mode.
6. The composite integrated phase-change toothed belt heat dissipation structure for the motor according to claim 1, characterized in that: at least two toothed belts form an integrated structure by welding the side edges.
7. The composite integrated phase-change toothed belt heat dissipation structure for the motor according to claim 6, characterized in that: the interiors of the integrated structures are communicated with each other.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222836055.9U CN218771642U (en) | 2022-10-27 | 2022-10-27 | Composite integrated phase-change toothed belt heat dissipation structure for motor |
| PCT/CN2023/091402 WO2024087562A1 (en) | 2022-10-27 | 2023-04-27 | Composite integrated phase-change toothed-belt heat dissipation structure for electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222836055.9U CN218771642U (en) | 2022-10-27 | 2022-10-27 | Composite integrated phase-change toothed belt heat dissipation structure for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218771642U true CN218771642U (en) | 2023-03-28 |
Family
ID=85701497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222836055.9U Active CN218771642U (en) | 2022-10-27 | 2022-10-27 | Composite integrated phase-change toothed belt heat dissipation structure for motor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN218771642U (en) |
| WO (1) | WO2024087562A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024087562A1 (en) * | 2022-10-27 | 2024-05-02 | 广东畅能投资控股有限公司 | Composite integrated phase-change toothed-belt heat dissipation structure for electric motor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010154713A (en) * | 2008-12-26 | 2010-07-08 | Sumitomo Electric Ind Ltd | Stator for motor and divided stator for motor |
| FR2978631B1 (en) * | 2011-07-29 | 2014-08-08 | Renault Sa | ELECTRIC MACHINE ELEMENT COMPRISING A CARCASS AND A WINDING |
| CN207766072U (en) * | 2017-11-13 | 2018-08-24 | 中山大洋电机股份有限公司 | A kind of phase-change heat motor stator component and its ventilated machine of application |
| CN108964318A (en) * | 2018-07-04 | 2018-12-07 | 中国科学院电工研究所 | A kind of compound encapsulating cooling structure of motor stator winding |
| CN218771642U (en) * | 2022-10-27 | 2023-03-28 | 广东畅能投资控股有限公司 | Composite integrated phase-change toothed belt heat dissipation structure for motor |
-
2022
- 2022-10-27 CN CN202222836055.9U patent/CN218771642U/en active Active
-
2023
- 2023-04-27 WO PCT/CN2023/091402 patent/WO2024087562A1/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024087562A1 (en) * | 2022-10-27 | 2024-05-02 | 广东畅能投资控股有限公司 | Composite integrated phase-change toothed-belt heat dissipation structure for electric motor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024087562A1 (en) | 2024-05-02 |
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