CN216390739U - Flywheel energy storage rotor heat dissipation mechanism and flywheel energy storage system - Google Patents
Flywheel energy storage rotor heat dissipation mechanism and flywheel energy storage system Download PDFInfo
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- CN216390739U CN216390739U CN202122518790.0U CN202122518790U CN216390739U CN 216390739 U CN216390739 U CN 216390739U CN 202122518790 U CN202122518790 U CN 202122518790U CN 216390739 U CN216390739 U CN 216390739U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The utility model provides a flywheel energy storage rotor heat dissipation mechanism and a flywheel energy storage system, wherein the heat dissipation mechanism comprises a first heat conductor, a second heat conductor and a heat dissipation medium, wherein one end of the first heat conductor is connected with one end of a shell, the other end of the first heat conductor is arranged in a heat dissipation groove at one end of a flywheel shaft, and the heat dissipation groove is also provided with the heat conduction medium; the flywheel energy storage system comprises a shell, a motor stator, a flywheel rotor and a flywheel energy storage rotor heat dissipation mechanism, wherein a first heat conductor is arranged on a first end cover; the flywheel shaft is arranged on the flywheel rotor in a penetrating mode, a heat dissipation groove is formed in one end of the flywheel shaft, and one end of the first heat conductor is arranged in the heat dissipation groove; the heat dissipation mechanism of the flywheel energy storage rotor and the flywheel energy storage system provided by the utility model conduct the heat generated by the flywheel shaft to the outside through a reasonable structure, so that the damage of the flywheel shaft and the flywheel rotor is avoided.
Description
Technical Field
The utility model relates to the technical field of flywheel energy storage, in particular to a flywheel energy storage rotor heat dissipation mechanism and a flywheel energy storage system.
Background
The flywheel energy storage system runs under the high vacuum condition, and because the flywheel rotor can generate heat in the action process, but the space where the flywheel rotor is located is a high vacuum environment, the generated heat cannot be subjected to convection heat transfer through an air medium.
In the prior art, the heat of the flywheel rotor is dissipated through the radiation of the rotor, but the flywheel rotor is damaged due to the over-high temperature because of the special environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flywheel energy storage rotor heat dissipation mechanism and a flywheel energy storage system, wherein the flywheel energy storage rotor heat dissipation mechanism and the flywheel energy storage system can acquire heat of a flywheel rotor and transmit the acquired heat to the outside, so that the flywheel rotor is prevented from being damaged;
the utility model provides a flywheel energy storage rotor heat dissipation mechanism, comprising:
one end of the first heat conductor is connected with one end of the shell, the other end of the first heat conductor is arranged in the heat dissipation groove at one end of the flywheel shaft, and a heat-conducting medium which is used for obtaining the heat of the flywheel shaft and exchanging heat with the first heat conductor is further arranged in the heat dissipation groove.
As a further technical solution, the method further comprises: and one end of the second heat conductor is connected with the other end of the flywheel shaft, the other end of the second heat conductor is arranged in the heat radiator arranged at the other end of the shell, and a heat-conducting medium used for carrying out heat exchange with the second heat conductor is arranged in the heat radiator.
As a further technical solution, the method further comprises: and the heat dissipation plate is arranged at one end of the shell and is connected with the first heat conductor.
Preferably, the heat dissipation plate is a graphite sheet.
As a further technical solution, the method further comprises: the first heat dissipation device is arranged at one end of the shell.
As a further technical solution, the method further comprises: and the second heat dissipation device is arranged at the other end of the shell.
Preferably, the first heat conductor and the second heat conductor are arranged coaxially with the flywheel shaft.
The utility model provides a motor, which comprises a shell, a motor stator, a flywheel rotor and a flywheel energy storage rotor heat dissipation mechanism, wherein a first heat conductor is arranged on a first end cover; the second heat conductor is arranged on the flywheel shaft; the flywheel shaft penetrates through the rotor, a heat dissipation groove is formed in one end of the flywheel shaft, and one end of the first heat conductor is arranged in the heat dissipation groove.
As a further technical scheme, a spiral groove is arranged in the heat dissipation groove.
Preferably, the spiral direction of the spiral groove is opposite to the rotation direction of the flywheel shaft.
According to the technical scheme, the first heat conductor and the second heat conductor are arranged, so that the heat of the flywheel shaft can be respectively obtained and conducted to the outside, the heat generated by the flywheel shaft is conducted and transmitted to the outside through the shell, and the heat dissipation of the flywheel shaft is realized; compared with the prior art, the heat generated by the flywheel rotor and the flywheel shaft can be conducted to the outside through a reasonable structure, and the damage of the flywheel shaft and the flywheel rotor is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a motor according to the present invention;
fig. 2 is a sectional view of a portion a-a in fig. 1.
Description of reference numerals:
1-a first thermally conductive body; 2-a heat sink; 3-a heat-conducting medium; 4-a second thermally conductive body; 5, a heat radiator; 6-a heat dissipation plate; 7-a first heat sink; 8-a second heat sink; 9-a housing; 10-flywheel rotor; 11-a motor stator; 12-a flywheel shaft; 13-helical groove.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 2, the heat dissipation mechanism for flywheel energy storage rotor provided by the present invention includes:
one end of the first heat conductor 1 is connected with one end of the shell 9, the other end is arranged in the heat dissipation groove 2 at one end of the flywheel shaft 12, and the heat dissipation groove 2 is also internally provided with a heat-conducting medium 3 which is used for acquiring the heat of the flywheel shaft 12 and exchanging heat with the first heat conductor 1; specifically, in the present invention, the first heat conductor 1 is a heat conducting pipe, one end of the heat conducting pipe is inserted into the re-radiating groove 2, since the flywheel rotor and the flywheel shaft 12 rotate to generate heat in the process of action, and the heat of the flywheel rotor is transferred to the flywheel shaft 12, at this time, the heat generated at one end of the flywheel shaft 12 adjacent to the first heat conductor 1 is absorbed by the heat conducting medium 3 and is transferred to the first heat conductor 1, and after being transferred by the first heat conductor 1, reaches one end of the housing 9, and is transferred to the outside through one end of the housing 9; the heat dissipation of one end of the flywheel shaft 12 is realized; the first heat conductor 1 is fixedly connected with the shell 9, and when the flywheel shaft 12 rotates, the first heat conductor 1 is in a static state; the heat of the distributing shaft 12 can be absorbed and conducted through the first heat conductor 1, so that the heat dissipation of the distributing shaft 12 is completed;
in addition, in order to improve the overall heat dissipation efficiency; one end of a second heat conductor 4 is connected with the other end of the flywheel shaft 12, the other end of the second heat conductor is arranged in a heat radiation body 5 arranged on the other end of the shell 9, and a heat conducting medium 3 used for exchanging heat with the second heat conductor 4 is arranged in the heat radiation body 5; specifically, the second heat conductor 4 is a heat conducting pipe, and one end of the second heat conductor is embedded into the other end of the flywheel shaft 12, so that the second heat conductor 4 and the flywheel shaft 12 rotate simultaneously in the rotation process of the flywheel shaft 12; the other end of the second heat conductor 4 is arranged in the heat-conducting medium 3 of the heat radiation body 5; therefore, the heat generated by the flywheel rotor and the other end of the flywheel shaft 12 is transmitted by the second heat conductor 4 and exchanges heat with the heat-conducting medium 3 in the heat radiation body 5; since the heat-conducting medium 3 is in direct contact with the housing 9, the heat-conducting medium 3 directly exchanges heat with the housing 9 after the heat of the second heat conductor 4 is obtained, and the obtained heat is directly transmitted to the outside;
it should be noted that, according to needs, the first heat conductor 1 and the matching structure thereof may be used alone to dissipate heat of the flywheel shaft 12, or the second heat conductor 4 and the matching structure thereof may be used alone to dissipate heat of the flywheel shaft 12, and the first heat conductor 1 and the second heat conductor 4 may be matched to simultaneously dissipate heat of the flywheel shaft 12.
It should be noted that the heat conducting media 3 disposed in the heat sink 2 and the heat radiation body 5 are the same and are both heat conducting oil; through the scheme, heat can be transmitted to the outside from the two ends of the flywheel shaft 12 respectively, so that the temperature of the flywheel rotor and the flywheel shaft 12 is reduced; namely, after the flywheel rotor generates heat, the heat is conducted to the flywheel shaft 12 and is transmitted outwards through the flywheel shaft 12, so that the temperature of the flywheel shaft 12 and the minute wheel rotor is reduced; also in the present invention, it is preferable that the first heat conductor 1 and the second heat conductor 4 are both disposed coaxially with the flywheel shaft 12. Therefore, the first heat conductor 1 is not contacted with the heat dissipation groove 2 in the rotation process of the flywheel shaft 12, and the second heat conductor 4 is not eccentrically rotated to be contacted with the heat dissipation body 5;
as shown in fig. 2, when the first heat conductor 1 transmits the obtained heat to the outside, it is directly connected to one end of the housing 9, and transmits the heat to one end of the housing 9, and in order to improve the heat transmission of the first heat conductor 1 and improve the heat transmission efficiency, in the present invention, a heat dissipation plate 6 is preferably provided, and the heat dissipation plate 6 is disposed at one end of the housing 9 and connected to the first heat conductor 1; in this way, the heat of the first heat conductor 1 can be obtained through the heat dissipation plate 6, so that the heat transfer area is enlarged, and the heat transferred by the first heat conductor 1 can exchange heat with one end of the shell 9 more quickly; the heat dissipation efficiency is improved, and in the utility model, the preferred heat dissipation plate 6 is a graphite sheet;
as shown in fig. 2, in the present invention, in order to improve the heat dissipation efficiency of the housing 9, a first heat dissipation device 7 is preferably provided, and the first heat dissipation device 7 is disposed at one end of the housing 9; after heat transferred by the first heat conductor 1 exchanges heat with one end of the shell 9, the volatilization of the heat at one end of the shell 9 can be increased through the first heat dissipation device 7, and further the heat dissipation at one end of the shell 9 is accelerated, in the utility model, the preferred first heat dissipation device 7 is an air cooling plate, a liquid cooling plate or a phase change heat exchanger;
similarly, in the present invention, a second heat sink 8 is further provided, and the second heat sink 8 is disposed at the other end of the housing 9; the heat volatilization at the other end of the shell 9 can be increased through the second heat dissipation device 8, and the heat dissipation at the other end of the shell 9 is accelerated, in the utility model, the preferred second heat dissipation device 8 is an air cooling plate, a liquid cooling plate or a phase change heat exchanger;
as shown in fig. 1-2, the motor provided by the present invention includes a housing 9, a motor stator 11, a flywheel rotor 10, and a flywheel energy storage rotor heat dissipation mechanism, wherein a first heat conductor 1 is disposed on a first end cap; the second heat conductor 4 is arranged on the flywheel shaft 12; the flywheel shaft 12 penetrates through the flywheel rotor 10, a heat dissipation groove 2 is formed in one end of the flywheel shaft 12, and one end of the first heat conductor 1 is arranged in the heat dissipation groove 2;
specifically, the first end cover is arranged at one end of the shell 9, the second end cover is arranged at the other end of the shell 9, so that the first heat conductor 1 is fixed through the first end cover, the heat radiation body 5 is fixed through the second end cover, and in addition, the flywheel shaft is also provided with a flywheel rotor 10 which is driven by the flywheel shaft 12 to rotate; therefore, when the flywheel shaft 12 rotates, the generated heat is transmitted through the first heat conductor 1 and the second heat conductor 4, and is respectively transmitted to the first end cover and the second end cover, and then is subjected to heat exchange with the outside through the first end cover and the second end cover, so that the heat dissipation of the flywheel rotor and the flywheel shaft 12 is realized;
in addition, because the heat-conducting medium 3 is arranged in the heat-radiating groove 2, when the flywheel shaft rotates, the heat-conducting medium 3 can shake, and the situation that the heat-conducting medium 3 leaks out is easy to occur, in the utility model, the preferable heat-radiating groove 2 is internally provided with the spiral groove 13; specifically, the rotation direction of the spiral groove 13 is opposite to the rotation direction of the flywheel shaft 12; therefore, when the heat-conducting medium 3 rotates along with the flywheel shaft 12, the displacement of the heat-conducting medium 3 in the heat dissipation groove 2 can be limited due to the existence of the spiral groove 13, and the heat-conducting medium 3 is prevented from leaking.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A flywheel energy storage rotor heat dissipation mechanism, characterized by includes:
one end of the first heat conductor (1) is connected with one end of the shell (9), the other end of the first heat conductor is arranged in the heat dissipation groove (2) at one end of the flywheel shaft (12), and a heat conducting medium (3) which is used for obtaining the heat of the flywheel shaft (12) and exchanges heat with the first heat conductor (1) is further arranged in the heat dissipation groove (2).
2. The flywheel energy storage rotor heat dissipation mechanism of claim 1, further comprising:
and one end of the second heat conductor (4) is connected with the other end of the flywheel shaft (12), the other end of the second heat conductor is arranged in the heat radiator (5) arranged at the other end of the shell (9), and a heat-conducting medium (3) used for carrying out heat exchange with the second heat conductor (4) is arranged in the heat radiator (5).
3. The flywheel energy storage rotor heat dissipation mechanism of claim 1, further comprising: and the heat dissipation plate (6) is arranged at one end of the shell (9) and is connected with the first heat conductor (1).
4. The flywheel energy storage rotor heat dissipation mechanism of claim 3, wherein the heat dissipation plate (6) is a graphite sheet.
5. The flywheel energy storage rotor heat dissipation mechanism of claim 1, further comprising: and the first heat dissipation device (7) is arranged at one end of the shell (9).
6. The flywheel energy storage rotor heat dissipation mechanism of claim 2, further comprising: and the second heat dissipation device (8) is arranged at the other end of the shell (9).
7. The flywheel energy storage rotor heat dissipation mechanism of claim 2, characterized in that the first heat conductor (1) and the second heat conductor (4) are both arranged coaxially with the flywheel shaft (12).
8. A flywheel energy storage system comprising a housing (9), a motor stator (11) and a flywheel rotor (10), characterized by further comprising a flywheel energy storage rotor heat dissipation mechanism as claimed in any of claims 1-7, the first thermal conductor (1) being arranged on the first end cap; the flywheel shaft (12) penetrates through the flywheel rotor (10), the heat dissipation groove (2) is formed in one end of the flywheel shaft (12), and one end of the first heat conductor (1) is arranged in the heat dissipation groove (2).
9. The flywheel energy storage system according to claim 8, characterized in that a spiral groove (13) is provided in the heat sink groove (2).
10. A flywheel energy storage system according to claim 9, characterized in that the spiral direction of the spiral groove (13) is opposite to the direction of rotation of the flywheel shaft (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122518790.0U CN216390739U (en) | 2021-10-19 | 2021-10-19 | Flywheel energy storage rotor heat dissipation mechanism and flywheel energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122518790.0U CN216390739U (en) | 2021-10-19 | 2021-10-19 | Flywheel energy storage rotor heat dissipation mechanism and flywheel energy storage system |
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| Publication Number | Publication Date |
|---|---|
| CN216390739U true CN216390739U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122518790.0U Active CN216390739U (en) | 2021-10-19 | 2021-10-19 | Flywheel energy storage rotor heat dissipation mechanism and flywheel energy storage system |
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| CN (1) | CN216390739U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562556A (en) * | 2022-04-29 | 2022-05-31 | 坎德拉(深圳)新能源科技有限公司 | Heat radiation structure and flywheel energy storage rotor heat dissipation mechanism |
| CN115087277A (en) * | 2022-07-21 | 2022-09-20 | 沈阳微控主动磁悬浮技术产业研究院有限公司 | Flywheel energy storage system |
-
2021
- 2021-10-19 CN CN202122518790.0U patent/CN216390739U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114562556A (en) * | 2022-04-29 | 2022-05-31 | 坎德拉(深圳)新能源科技有限公司 | Heat radiation structure and flywheel energy storage rotor heat dissipation mechanism |
| CN114562556B (en) * | 2022-04-29 | 2022-07-29 | 坎德拉(深圳)新能源科技有限公司 | Heat radiation structure and flywheel energy storage rotor heat dissipation mechanism |
| CN115087277A (en) * | 2022-07-21 | 2022-09-20 | 沈阳微控主动磁悬浮技术产业研究院有限公司 | Flywheel energy storage system |
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