CN217935372U - Motor based on heat dissipation of profile of tooth heat pipe - Google Patents
Motor based on heat dissipation of profile of tooth heat pipe Download PDFInfo
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- CN217935372U CN217935372U CN202222066128.0U CN202222066128U CN217935372U CN 217935372 U CN217935372 U CN 217935372U CN 202222066128 U CN202222066128 U CN 202222066128U CN 217935372 U CN217935372 U CN 217935372U
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Abstract
The utility model relates to a motor based on heat dissipation of a tooth-shaped heat pipe, which comprises a casing and an overhanging winding, wherein a phase-change heat transfer element is arranged between the casing and the overhanging winding; the phase change heat transfer element is sleeved outside the overhanging winding, and the outer side and the inner side of the phase change heat transfer element are respectively abutted against the shell and the overhanging winding. The heat generated by the overhanging winding during working is directly and quickly transferred to the motor shell through the phase-change heat transfer element with ultrahigh heat conductivity, the heat resistance of a heat dissipation path is extremely low, the heat dissipation efficiency is greatly improved, and the heat dissipation condition of the overhanging winding is remarkably improved; because the heat is directly transferred to the motor shell through the phase change heat transfer element when the overhanging winding dissipates the heat, the heat dissipation pressure of the central winding cannot be increased. The heat of the central winding is transferred to the overhanging winding and is transferred to the shell for heat dissipation through the phase change heat transfer element, so that the temperature of the central winding is reduced, the normal working performance of the central winding can be maintained, and the rated service power of the motor can be improved.
Description
Technical Field
The utility model belongs to the technical field of the motor heat dissipation, concretely relates to motor based on profile of tooth heat pipe is radiating.
Background
Electric motors play an important role in various fields of manufacturing, construction, and the like. The volume of the motor directly influences whether the related equipment can realize light weight and miniaturization, which presents a great challenge to the limit power of the motor. The heat dissipation is an important factor for limiting the limit power of the motor, and whether the problem of heating of the motor can be effectively solved becomes the key for realizing the light weight and whether the limit power can be increased by the motor.
Air cooling and liquid cooling are mainstream motor heat dissipation technologies, and the principle of the technology is that a motor copper wire winding transfers heat to a shell through an insulating layer, a stator core and the like, and then the heat is dissipated by air or liquid working media.
The motor comprises a machine shell, a stator arranged in the machine shell and a motor winding arranged in the stator, wherein the motor winding generally comprises a central winding of a stator iron core wrapping part and an overhanging winding exposed outside the iron core along the axial extension of the stator by the central winding, and a gap is reserved between the overhanging winding and the machine shell. The temperature of the overhang winding becomes an important index for judging whether the motor reaches the protection temperature.
The heat dissipation of the central winding wrapped by the stator core can only be realized by the air cooling and the liquid cooling of the motor in the prior art, and the overhanging winding exposed outside the core is not directly connected with the stator core or the shell, so that the heat generated by the overhanging winding needs to be transferred to the central winding firstly, then the central winding transfers the heat to the shell through the insulating layer and the stator core, and finally the heat is dissipated by air or liquid working medium. The heat resistance of the heat dissipation path is large, effective heat dissipation of the overhanging winding is difficult to achieve, and when heat of the overhanging winding is transferred to the central winding, the heat dissipation pressure of the central winding is increased, so that negative effects are easily brought to the normal working performance of the central winding.
Therefore, people are eagerly required to develop a motor with better heat dissipation effect.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model aims at: the motor based on the heat dissipation of the tooth-shaped heat pipe is provided, the heat dissipation efficiency of the overhanging winding can be obviously improved, and the service power of the motor is favorably improved.
The utility model discloses the purpose realizes through following technical scheme:
a motor based on heat dissipation of a tooth-shaped heat pipe comprises a shell and an overhanging winding, wherein a phase change heat transfer element is arranged between the shell and the overhanging winding; the phase change heat transfer element is sleeved outside the overhanging winding, and the outer side and the inner side of the phase change heat transfer element are respectively abutted against the shell and the overhanging winding.
Further, the phase change heat transfer element is an annular heat pipe.
Furthermore, the heat pipe is provided with a plurality of tooth forms, the tooth tops of the tooth forms are abutted against the shell, and the tooth roots of the tooth forms are abutted against the overhanging winding.
Furthermore, the heat pipe is flat, the tooth top is attached to the inner wall of the shell in a fitting mode, and the tooth root is attached to the outer wall of the overhanging winding in a fitting mode.
Furthermore, heat-conducting media are respectively filled between the tooth root and the shell and between the tooth top and the overhanging winding.
Further, the heat-conducting medium is heat-conducting glue.
Furthermore, a plurality of heat pipes are arranged on the overhanging winding in sequence and axially.
Further, adjacent heat pipes are arranged in a staggered manner.
A phase change heat transfer element is arranged between a machine shell and an overhanging winding, the phase change heat transfer element is sleeved outside the overhanging winding, and the outer side and the inner side of the phase change heat transfer element are respectively abutted against the machine shell and the overhanging winding, so that heat generated by the overhanging winding is directly transferred to the machine shell through the phase change heat transfer element to be quickly dissipated.
Furthermore, the phase change heat transfer element is provided with a plurality of tooth-shaped heat pipes, tooth tops of the tooth shapes abut against the shell, tooth roots of the tooth shapes abut against the overhanging winding, and heat conducting media are respectively filled between the tooth roots and the shell and between the tooth tops and the overhanging winding, so that heat generated by the overhanging winding is transferred to the shell through the heat conducting media and the heat pipes.
Compared with the prior art, the utility model discloses following beneficial effect has:
the heat generated by the overhanging winding during working is directly and quickly transferred to the motor shell through the phase-change heat transfer element with ultrahigh heat conductivity, the heat resistance of a heat dissipation path is extremely low, the heat dissipation efficiency is greatly improved, and the heat dissipation condition of the overhanging winding is remarkably improved; because the heat is directly transferred to the motor shell through the phase change heat transfer element when the overhanging winding dissipates the heat, the heat dissipation pressure of the central winding cannot be increased. Under the condition that the overhang winding is cooled through rapid heat dissipation, heat of the center winding is transferred to the overhang winding and is transferred to the shell through the phase change heat transfer element for heat dissipation, so that the temperature of the center winding is reduced in an assisting mode, normal working performance of the center winding can be maintained, and the rated service power of the motor can be improved.
Drawings
Fig. 1 is a schematic structural diagram of a motor based on heat dissipation of a tooth-shaped heat pipe.
Fig. 2 is a schematic structural diagram of a tooth-shaped heat pipe.
Fig. 3 is a schematic plane structure diagram of a plurality of tooth-shaped heat pipes.
Fig. 4 is a schematic perspective view of a plurality of tooth-shaped heat pipes.
In the figure:
1-machine shell, 2-heat pipe, 3-heat conducting glue and 4-overhanging winding.
Detailed Description
The present invention is described in further detail below.
As shown in fig. 1, a motor based on heat dissipation of a toothed heat pipe comprises a casing 1 and an overhanging winding 4, wherein a phase change heat transfer element is arranged between the casing 1 and the overhanging winding 4; the phase change heat transfer element is sleeved outside the overhanging winding 4, and the outer side and the inner side of the phase change heat transfer element are respectively abutted against the machine shell 1 and the overhanging winding 4.
In the traditional motor heat dissipation process, heat generated by the work of the overhang winding 4 needs to pass through a heat dissipation path with larger thermal resistance formed by the central winding, the insulating layer, the stator and the casing 1, so that the effective heat dissipation of the overhang winding 4 is difficult to realize, and when the heat of the overhang winding 4 is transferred to the central winding, the heat dissipation pressure of the central winding is increased, and the negative influence is easily brought to the normal working performance of the central winding.
In the embodiment, heat generated by the overhanging winding 4 during working is directly and quickly transferred to the motor shell 1 through the phase-change heat transfer element with ultrahigh heat conductivity, so that the heat resistance of a heat dissipation path is extremely low, the heat dissipation efficiency is greatly improved, and the heat dissipation condition of the overhanging winding 4 is remarkably improved; when the overhang winding 4 dissipates heat, heat is directly transferred to the motor shell 1 through the phase change heat transfer element without passing through the center winding, so that the heat dissipation pressure of the center winding is not increased. Under the condition that the overhang winding 4 can be cooled down by fast heat dissipation, the heat of the central winding can be even transferred to the overhang winding 4, and further transferred to the shell 1 through the phase-change heat transfer element for heat dissipation, so that the temperature of the central winding is reduced in an assisting manner, the normal working performance of the central winding can be further maintained, the overall temperature of the motor winding is reduced, the rated service power of the motor is favorably improved, and the light weight and the miniaturization of the motor are realized.
As shown in fig. 2, the phase change heat transfer element is preferably a loop-shaped heat pipe 2. The heat pipe 2 transfers heat by evaporation and condensation of liquid in the totally enclosed vacuum tube, and is a heat transfer element with extremely high heat conduction performance. When the outer side and the inner side of the heat pipe 2 are respectively abutted against the cabinet 1 and the overhang winding 4, heat generated by the operation of the overhang winding 4 can be efficiently transferred to the cabinet 1.
Because the gap between the casing 1 and the overhanging winding 4 is large, and the thickness of the heat pipe 2 is usually small, and the heat pipe 2 is difficult to contact with the casing 1 and the overhanging winding 4 at the same time, in this embodiment, the heat pipe 2 is made into a belt shape, a plurality of tooth shapes are arranged on the belt-shaped heat pipe 2, the tooth tops of the tooth shapes abut against the casing 1, and the tooth roots of the tooth shapes abut against the overhanging winding 4, so that the heat pipe 2 can contact with the casing 1 and the overhanging winding 4 at the same time, and the purpose of heat transfer and heat dissipation is further achieved. Meanwhile, after the plurality of tooth forms are arranged, the length of the heat pipe 2 is greatly prolonged, more liquid cooling working media can be accommodated, and the heat conduction effect is improved.
In order to increase the contact area between the heat pipe 2 and the casing 1 and between the heat pipe 2 and the overhang winding 4 and improve the heat dissipation effect, in this embodiment, the heat pipe 2 is pressed into a flat shape, and the tooth top forms an arc shape adapted to the inner wall of the casing 1, and the tooth root forms an arc shape adapted to the outer wall of the overhang winding 4.
In order to further enhance the heat dissipation effect, heat-conducting media are respectively filled between the tooth root and the machine shell 1 and between the tooth top and the overhanging winding 4.
Because the heat pipe 2 contacts with the inner wall of the machine shell 1 through the tooth top and contacts with the outer wall of the overhang winding 4 through the tooth root, the areas of the tooth top and the tooth root are smaller, and therefore the problems that the contact area of the heat pipe 2 with the machine shell 1 and the overhang winding 4 is smaller and the heat transfer area is limited exist. The heat transfer area is effectively increased by filling the heat-conducting medium, and the problem that the contact area between the heat pipe 2 and the shell 1 and the contact area between the heat pipe 2 and the overhanging winding 4 are insufficient is well solved. In addition, after the heat-conducting medium is filled, heat generated by the operation of the overhanging winding 4 can be directly transferred to the case 1 through the heat pipe 2, and can also be transferred to the heat pipe 2 through the heat-conducting medium in contact with the overhanging winding 4, and then transferred to the case 1 through the heat pipe 2; or the heat-conducting medium contacted with the overhanging winding 4 is firstly transferred to the heat pipe 2, then transferred to the heat-conducting medium contacted with the case 1 by the heat pipe 2, and finally transferred to the case 1 by the heat-conducting medium contacted with the case 1. Therefore, the heat-conducting medium not only greatly increases the heat transfer area, but also enriches the heat transfer path, and greatly improves the heat dissipation efficiency.
Preferably, the heat conducting medium is heat conducting glue 3 or heat conducting mud.
As shown in fig. 3 and 4, since the width of the heat pipe 2 is generally small, it is difficult to cover the entire overhang winding 4. Therefore, in the present embodiment, a plurality of heat pipes 2 are provided, and the plurality of heat pipes 2 are sequentially and axially arranged on the overhang winding 4, so as to increase the contact area between the overhang winding 4 and the enclosure 1.
In order to make the heat dissipation of the overhang winding 4 more uniform and maintain the overall performance of the overhang winding 4, the heat pipes 2 are arranged in the plurality of heat pipes 2 on the overhang winding 4, and the adjacent heat pipes 2 are arranged in a staggered manner.
A heat dissipation method for a motor is characterized in that a phase change heat transfer element is arranged between a shell 1 and an overhanging winding 4, the phase change heat transfer element is sleeved outside the overhanging winding 4, the outer side and the inner side of the phase change heat transfer element are respectively abutted against the shell 1 and the overhanging winding 4, and heat generated by the overhanging winding 4 is directly transferred to the shell 1 through the phase change heat transfer element so as to dissipate heat quickly.
In the motor heat dissipation method of the embodiment, heat generated by the overhanging winding 4 during working is directly and quickly transferred to the motor casing 1 through the phase change heat transfer element with ultrahigh heat conductivity, so that the heat resistance of a heat dissipation path is extremely low, the heat dissipation efficiency is greatly improved, and the heat dissipation condition of the overhanging winding 4 is remarkably improved; when the overhang winding 4 dissipates heat, heat is directly transferred to the motor shell 1 through the phase change heat transfer element without passing through the center winding, so that the heat dissipation pressure of the center winding is not increased. Under the condition that the overhang winding 4 can be cooled down by fast heat dissipation, the heat of the central winding can be even transferred to the overhang winding 4, and further transferred to the casing 1 through the phase-change heat transfer element to assist in reducing the temperature of the central winding, so that the normal working performance of the central winding can be maintained, the overall temperature of the motor winding is reduced, the rated service power of the motor is favorably improved, and the light weight and the miniaturization of the motor are realized.
Furthermore, the phase change heat transfer element is provided with a plurality of tooth-shaped heat pipes 2, tooth tops of the tooth shapes abut against the casing 1, tooth roots of the tooth shapes abut against the overhanging winding 4, and heat conducting media are respectively filled between the tooth roots and the casing 1 and between the tooth tops and the overhanging winding 4, so that heat generated by the overhanging winding 4 is transferred to the casing 1 through the heat conducting media and the heat pipes 2. Through fill heat-conducting medium respectively between tooth root and casing 1 and between tooth top and overhang winding 4, not only greatly increased heat transfer area, richened the heat transfer route moreover, greatly promoted the radiating efficiency.
The utility model discloses an implementation as follows:
1. the flattened heat pipe 2 is bent by a mold, and the bent heat pipe 2 is as shown in fig. 2. The heat pipe 2 can be custom designed and manufactured for different sizes of motors. If the length of the heat pipe 2 is not enough, two or more bent heat pipes 2 can be spliced into the annular heat pipe 2 belt.
2. The heat pipe 2 is embedded between the casing 1 and the overhanging winding 4, and the heat-conducting glue 3 is filled in the gap between the casing 1 and the overhanging winding 4. Due to the limitation of width, sometimes it is difficult for a single heat pipe 2 to cover all the overhanging winding 4, so a manner of splicing and arranging a plurality of heat pipes 2 needs to be adopted to completely wrap the overhanging winding 4. Furthermore, in order to make the heat pipes 2 better contact with the windings and the cabinet 1, adjacent heat pipes 2 may be staggered by a certain angle.
3. When a plurality of heat pipes 2 exist, the heat pipes 2 are placed firstly during assembly, heat-conducting glue 3 is poured among the heat pipes 2, the casing 1 and the winding, and the height of the heat-conducting glue 3 is smaller than or equal to the tooth-shaped height of the heat pipes 2. And after the heat-conducting glue 3 is solidified, embedding the next heat pipe 2, and pouring the heat-conducting glue 3 again. The above steps are repeated until the overhang winding 4 is completely wrapped.
To sum up, the utility model discloses can show the heat dissipation condition that improves overhang winding 4, reduce the motor winding temperature, promote the rated power in use of motor, realize motor lightweight and miniaturation. The precision requirement of the related parts is not high, and the parts are easy to process. Simple structure and low assembly requirement. Simple operation, convenience and practicality. The heat pipe 2 is implemented on the basis of industrial production, and the cost is low.
The above embodiments are preferred embodiments of the present invention, but the present invention is 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 should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a motor based on profile of tooth heat pipe heat dissipation, includes casing and overhanging winding, its characterized in that: a phase change heat transfer element is arranged between the shell and the overhanging winding; the phase change heat transfer element is sleeved outside the overhanging winding, and the outer side and the inner side of the phase change heat transfer element are respectively abutted against the shell and the overhanging winding.
2. The heat-dissipation motor based on the toothed heat pipe as recited in claim 1, wherein: the phase change heat transfer element is an annular heat pipe.
3. The heat-dissipation motor based on the toothed heat pipe as recited in claim 2, wherein: the heat pipe is provided with a plurality of tooth forms, the tooth tops of the tooth forms are abutted against the shell, and the tooth roots of the tooth forms are abutted against the overhanging winding.
4. The heat-dissipation motor based on the toothed heat pipe as recited in claim 3, wherein: the heat pipe is flat, the tooth top is in fit joint with the inner wall of the shell, and the tooth root is in fit joint with the outer wall of the overhanging winding.
5. The heat-dissipation motor based on the toothed heat pipe as recited in claim 3, wherein: and heat-conducting media are respectively filled between the tooth root and the shell and between the tooth top and the overhanging winding.
6. The motor for dissipating heat based on the toothed heat pipe as set forth in claim 5, wherein: the heat-conducting medium is heat-conducting glue.
7. A tooth-shaped heat pipe based heat dissipation motor as defined in claim 3, wherein: the heat pipes are arranged in a plurality of numbers, and the heat pipes are sequentially and axially arranged on the overhanging winding.
8. The heat-dissipating electric machine according to claim 7, wherein: the adjacent heat pipes are arranged in a staggered manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222066128.0U CN217935372U (en) | 2022-08-08 | 2022-08-08 | Motor based on heat dissipation of profile of tooth heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222066128.0U CN217935372U (en) | 2022-08-08 | 2022-08-08 | Motor based on heat dissipation of profile of tooth heat pipe |
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| Publication Number | Publication Date |
|---|---|
| CN217935372U true CN217935372U (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222066128.0U Active CN217935372U (en) | 2022-08-08 | 2022-08-08 | Motor based on heat dissipation of profile of tooth heat pipe |
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| CN (1) | CN217935372U (en) |
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- 2022-08-08 CN CN202222066128.0U patent/CN217935372U/en active Active
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