CN115811167A - Motor cooling system - Google Patents
Motor cooling system Download PDFInfo
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- CN115811167A CN115811167A CN202111087805.0A CN202111087805A CN115811167A CN 115811167 A CN115811167 A CN 115811167A CN 202111087805 A CN202111087805 A CN 202111087805A CN 115811167 A CN115811167 A CN 115811167A
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- heat dissipation
- rotor
- stator
- outer shell
- water
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The invention discloses a motor heat dissipation system, which comprises an outer shell, end covers positioned at two ends of the outer shell, a stator assembly, a rotor assembly and coil assemblies positioned at two sides of the stator assembly, wherein a plurality of heat dissipation water paths are formed on the surface of the outer shell; a rotor radiating gap is formed between the rotor radiating parts, and a vent hole is formed on the rotor radiating parts; the shell body, mutually support between the radiating part on stator module and the rotor subassembly and use, the heat that stator module and rotor subassembly gived off will be followed to the continuous endless cooling water in the heat dissipation water route is taken away, has improved the radiating efficiency, and the heat dissipation route of whole equipment is simple, and the cooling effect is good, has effectively reduced the maintenance replacement cost.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a motor cooling system.
Background
The motor is a power machine with extremely wide application, realizes the conversion of electric energy and mechanical energy, is used for driving various mechanical equipment, all needs to be used in various machinery to the motor, and the motor is inside often to take little fan to dispel the heat, and fan radiating effect is limited, and under high temperature environment, the effect is more unobvious.
In the process of mechanical and electrical energy conversion, a part of energy can be dissipated in the coil in a heat mode, the motor is heated, the timely heat dissipation of the motor must be considered, and the series of problems that the motor cannot normally operate due to short circuit caused by insulation damage of the motor coil or other faults affecting the motor are avoided.
The long-time accumulation of high heat in the motor can also influence the operation of a rotor and a stator in the motor and the transmission of power, the service life of parts is shortened, the damage rate of the parts is high, and the maintenance cost is correspondingly improved.
Disclosure of Invention
The invention aims to provide a motor heat dissipation system to solve the problems that heat generated in the working process of a motor coil and the like in the prior art is not timely dissipated, the temperature in a motor is too high, the normal operation of equipment is influenced, faults are easy to occur and the like.
In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:
a motor heat dissipation system, comprising:
the heat dissipation device comprises an outer shell, a heat dissipation water channel and a heat dissipation water channel, wherein an installation inner cavity is formed in the outer shell, a plurality of heat dissipation water channels are formed in the surface of the outer shell, and the plurality of heat dissipation water channels are consistent with the length direction of the outer shell; a water inlet and a water outlet are formed on the outer shell, and both the water inlet and the water outlet are communicated with the heat dissipation waterway;
the end covers can be detachably mounted at two ends of the outer shell, annular water paths are arranged on the end covers at the two ends, and two ends of the plurality of heat dissipation water paths are respectively communicated with the annular water paths on the end covers at two sides;
the stator assembly is fixed in the installation inner cavity, a rotating inner cavity is formed in the stator assembly, the stator assembly comprises a plurality of stator cores which are arranged along the length direction of the outer shell, stator heat dissipation gaps are formed between every two adjacent stator cores, a plurality of stator heat dissipation grooves are formed in a dispersed mode along the circumferential direction of the outer surface of each stator core, the stator heat dissipation grooves of the adjacent stator cores are in one-to-one correspondence, and a plurality of stator ventilation channels which are consistent with the length direction of the outer shell are formed;
a rotor assembly formed in the rotation cavity and including a rotation shaft and a plurality of rotor heat dissipation portions formed on the rotation shaft in a dispersed manner along an axial direction of the rotation shaft; a rotor heat dissipation gap is formed between the rotor heat dissipation parts, and a vent hole is formed on each rotor heat dissipation part;
and the coil assembly is positioned in the mounting cavity and positioned at two ends of the stator assembly respectively.
In some embodiments of the present application, the ventilation holes of the adjacent rotor heat dissipation portions are in one-to-one correspondence, and form a rotor ventilation channel in accordance with the axial direction of the rotating shaft, for passing through the airflow.
In some embodiments of this application, the rotor heat dissipation portion is the annular, and it cup joints the pivot outside, with pivot fixed connection, the vent is formed along the circumferencial direction dispersion the rotor heat dissipation portion surface, then be formed with a plurality of rotor ventilation passageways around the pivot, the air current that passes through that can be more smooth and easy.
In some embodiments of the present application, the stator heat dissipation gap and the rotor heat dissipation gap are in one-to-one correspondence and are communicated with each other, and the stator heat dissipation gap and the rotor heat dissipation gap are communicated with each other, so that gas conveyed from the rotor ventilation duct can be conveyed to the surface of the stator core through the rotor heat dissipation gap and the stator heat dissipation gap in sequence.
In some embodiments of the present application, a centrifugal fan is further included, located inside any of the coil assemblies, and mounted coaxially with the shaft.
In some embodiments of the present application, the aperture of the centrifugal fan gradually expands outward from the end of the rotor assembly to the adjacent end cover, and the centrifugal fan drives the airflow to flow, so as to form a circulation loop, and take away heat generated during the operation of the coil assembly, and transmit the heat outward.
In some embodiments of the present application, a wind guiding portion is further formed outside the centrifugal fan, and a wind outlet end is formed on the wind guiding portion and is communicated with the rotor ventilation groove.
In some embodiments of the present application, the heat dissipation water path is a groove formed on the surface of the outer shell and extending toward the center direction, and a buckle plate is formed on each heat dissipation water path and blocks the surface of the heat dissipation water path.
In some embodiments of the present application, the outer surface of the stator core is further formed with a plurality of mounting grooves, the direction of the mounting grooves is consistent with the stator heat dissipation grooves, and chamfers are formed on both sides of the mounting grooves.
In some embodiments of this application, adjacent stator core passes through the fixed strip to be fixed, the fixed strip is connected in the mounting groove, links into an organic whole with adjacent stator core in proper order through distributing at the peripheral a plurality of fixed strips of stator core.
Compared with the prior art, the invention has the advantages and positive effects that:
the motor heat dissipation system comprises a water path heat dissipation part and a wind path heat dissipation part, wherein the wind path heat dissipation part comprises a stator heat dissipation gap, a rotor heat dissipation gap, a stator ventilation channel and a rotor ventilation channel which are mutually communicated; the rotor heat dissipation gaps are distributed along the radial direction of the rotating shaft, and the rotor ventilation channels are distributed along the radial direction of the rotating shaft; the centrifugal fan rotates to drive airflow to flow, so that heat in the coil assembly is guided to the rotor ventilation channel from the air guide part, is conveyed outwards from the rotor heat dissipation gap to the stator heat dissipation gap, and finally flows into the stator ventilation channel.
The stator ventilation channel is in contact with the outer shell with the heat dissipation water channel, the temperature of airflow flowing in the stator ventilation channel is reduced by the heat dissipation water channel, and the reduced airflow enters the centrifugal fan through the coil assembly again to perform next air path heat dissipation circulation.
The waterway heat dissipation comprises a heat dissipation waterway formed on the outer shell and an annular waterway formed on the end cover, the heat dissipation waterway and the annular waterway form a closed waterway which is communicated with each other, cooling water is input into the heat dissipation waterway from the water inlet, and the cooling water with higher temperature is output from the water outlet after passing through the heat dissipation waterway and the annular waterway.
The water path heat dissipation and the air path heat dissipation are matched with each other, so that the heat dissipation efficiency is improved, the heat dissipation path of the whole equipment is simple, the cooling effect is good, and the maintenance and replacement cost is effectively reduced.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an external form of an embodiment of a heat dissipation system of a motor according to the present invention;
FIG. 2 is a schematic structural diagram of an outer casing;
FIG. 3 is a schematic view of a coil assembly and a stator assembly;
FIG. 4 is a schematic view of a stator assembly and rotor assembly mounting plane;
FIG. 5 is a schematic view of a stator core construction;
FIG. 6 is an enlarged schematic view at B in FIG. 5;
FIG. 7 is an enlarged schematic view at C in FIG. 5;
FIG. 8 is a schematic view of a rotor assembly construction;
FIG. 9 is a schematic view of the vent locations in the stator assembly;
FIG. 10 is a schematic plan view of a rotor heat sink;
fig. 11 is a schematic view of the position of the air guiding portion.
In the figure, the position of the first and second end faces,
100. an outer housing;
110. a heat dissipation waterway; 111. buckling the plate; 112. a water inlet; 113. a water outlet;
120. an end cap;
121. an annular waterway;
130. installing an inner cavity;
200. a stator assembly;
210. a stator core; 211. a stator heat dissipation groove; 212. mounting grooves;
220. a stator heat dissipation gap;
230. a partition plate;
240. a support frame;
250. rotating the inner cavity;
260. a fixing strip;
300. a coil assembly;
400. a rotor assembly;
410. a rotating shaft;
420. a centrifugal fan; 421. a wind guide part;
430. a rotor heat dissipation portion; 431. a rotor heat dissipation gap; 432. a vent hole; 433. a rotor ventilation channel.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
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 to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically coupled, may be directly coupled, or may be indirectly coupled through an intermediary. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Moreover, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or configurations discussed.
Example 1
As shown in fig. 1. The application provides a motor cooling system, it includes shell body 100, be located the end cover 120 at shell body 100 both ends, stator module 200, rotor subassembly 400 and coil pack 300, stator module 200 installs in the installation inner chamber 130 of shell body 100, rotor subassembly 400 coaxial arrangement is in the rotation inner chamber 250 of stator module 200, be provided with coil pack 300 respectively at stator module 200's both ends, be formed with the air-cooled return circuit on rotor subassembly 400 and stator module 200, be formed with the water-cooling return circuit on shell body 100, the air-cooled return circuit carries the heat that produces in coil pack 300 working process to shell body 100 direction, the air current of higher temperature is carried between stator module 200 and shell body 100, be set up water-cooling return circuit cooling back recirculation on shell body 100.
Hereinafter, a detailed description will be given of the specific structure of each component:
as shown in fig. 2, the outer case 100 is preferably a cylindrical structure, a mounting cavity 130 is formed in the outer case 100, a plurality of heat dissipation water paths 110 are formed on the surface of the outer case 100, and the plurality of heat dissipation water paths 110 are aligned with the longitudinal direction of the outer case 100 and extend from one end to the other end of the outer case 100.
The end covers 120 are respectively installed at two ends of the outer shell 100, the end surfaces of the end covers 120 at two sides contacting with the two ends of the outer shell 100 are formed with annular water paths 121, the annular water paths 121 are also of an annular groove structure formed at one side of the end cover 120, and two ends of a plurality of heat dissipation water paths 110 distributed on the surface of the outer shell 100 are respectively communicated with the annular water paths 121 on the end covers 120 at two ends.
A water inlet 112 and a water outlet 113 are formed on the outer shell 100, and are used for inputting and outputting cooling liquid, and both the water inlet 112 and the water outlet 113 are communicated with the heat dissipation water path 110; the cooling water is delivered from the water inlet 112 to any one of the heat dissipation water paths 110 communicated with the water inlet, delivered to the rest of the heat dissipation water paths 110 through the heat dissipation water paths 110 and the annular water paths 121 at two sides communicated with the heat dissipation water paths, and finally output from the water outlet 113.
As shown in fig. 3 to 7, a stator assembly 200 is disposed in the installation inner cavity 130, a rotation inner cavity 250 is formed in the stator assembly 200 for installing a rotor assembly 400, the stator assembly 200 includes a plurality of stator cores 210 arranged along a length direction of the outer housing 100, the stator cores 210 are annular, a stator heat dissipation gap 220 is formed between adjacent stator cores 210, and the stator heat dissipation gap 220 is arranged along a radial direction of the stator cores 210.
A plurality of stator heat radiating grooves 211 are dispersedly formed along a circumferential direction of the outer surface of the stator core 210, that is, the stator heat radiating grooves 211 are arranged along an axial direction of the stator core 210.
Adjacent a plurality of stator radiating grooves 211 of stator core 210 correspond to each other one by one, and a plurality of stator radiating grooves 211 on the same straight line form a stator ventilation channel, and then, a plurality of stator ventilation channels consistent with the length direction of outer shell 100 are formed along the circumference of stator core 210.
In the installed state, the outer surface of the stator core 210 contacts and connects with the inner wall of the outer casing 100, and the openings of the stator heat dissipation slots 211 are blocked by the inner wall of the outer casing 100, so that each stator heat dissipation slot 211 forms an independent circulation channel, and the airflow circulation is not disturbed.
As shown in fig. 8 to 11, a rotor assembly 400 is formed in the rotating cavity 250, and includes a rotating shaft 410 and a plurality of rotor heat dissipating portions 430 formed on the rotating shaft 410 in a dispersed manner along an axial direction of the rotating shaft 410; a rotor heat dissipation gap 431 is formed between the rotor heat dissipation portions 430, so that the direction of the rotor heat dissipation gap 431 is consistent with the radial direction of the rotor, a vent hole 432 is formed on the rotor heat dissipation portion 430, and the opening direction of the vent hole 432 is perpendicular to the direction of the rotor heat dissipation gap 431, that is, the direction of the vent hole is along the axial direction of the rotating shaft 410.
Because each rotor heat dissipation part 430 is provided with a plurality of ventilation holes 432, the ventilation holes 432 of the adjacent rotor heat dissipation parts 430 are in one-to-one correspondence to form a plurality of rotor ventilation channels 433, and the opening direction of the rotor ventilation channels 433 is consistent with the direction of the heat dissipation water path 110 and is consistent with the axial direction of the rotating shaft 410.
The rotor heat dissipation part 430 is annular, is sleeved outside the rotating shaft 410, is fixedly connected with the rotating shaft 410, and rotates synchronously with the rotating shaft 410, and the ventilation holes 432 are formed on the surface of the rotor heat dissipation part 430 in a dispersed manner along the circumferential direction.
The stator assembly 200 is further provided at both ends thereof with coil assemblies 300, respectively, for generating an induced current, a large portion of heat in the motor is generated by the coil assemblies 300, and the main purpose of the air cooling circuit and the water cooling circuit is to dissipate the heat in the coil assemblies 300.
In order to timely transfer heat of the coil assembly 300 and form a ventilation circuit by driving the air flow inside the outer case 100 in a fixed flow direction, a centrifugal fan 420 is coaxially fixed to one end of the rotation shaft 410, and the centrifugal fan 420 is located inside the coil assembly 300.
After the centrifugal fan 420 is turned on, under the action of the centrifugal fan 420, the air flow with higher temperature at the coil assembly 300 enters into the rotor assembly 400 from the centrifugal fan 420, the stator heat dissipation gaps 220 and the rotor heat dissipation gaps 431 are in one-to-one correspondence and are communicated with each other, and the air flow is conveyed into the stator heat dissipation gaps 220 through the rotor ventilation channels 433 and the rotor heat dissipation gaps 431 in the rotor assembly 400 and finally conveyed into the corresponding stator heat dissipation grooves 211. As shown in fig. 5, in order to reduce the weight of the entire apparatus, the stator core 210 is of an annular structure, a partition plate 230 and a support frame 240 are further formed between the stator core 210 and the rotor heat sink 430, an annular partition plate 230 is formed on the inner circumferential side of each stator core 210, the stator heat sink gap 220 and the rotor heat sink gap 431 are communicated by adjacent partition plates 230, and the support frame 240 is used for supporting and fixing the partition plates 230.
The higher temperature air flow is cooled by a water cooling circuit formed on the outer casing 100 in the process of circulating in the stator heat dissipation groove 211, and the cooled lower temperature air flow is delivered to the position of the coil assembly 300 with lower air pressure under the action of the centrifugal fan 420, so as to further cool the coil assembly 300.
Example 2
As shown in fig. 11, the present embodiment is different from the above embodiments in that, in order to guide the airflow passing through the centrifugal fan 420, the diameter of the centrifugal fan 420 gradually expands outward from the end of the rotor assembly 400 toward the adjacent end cap 120, and an air guiding portion 421 is further formed outside the centrifugal fan 420, an air outlet end is formed on the air guiding portion 421, and the air outlet end corresponds to the plane of the vent hole 432, so that the airflow output by the centrifugal fan 420 can be directly delivered to the vent hole 432.
Example 3
In order to facilitate the processing, in the technical scheme of the embodiment, the cross section of the heat dissipation water path 110 is designed to be a U-shaped groove structure, and the bottom surface of the heat dissipation water path 110 is a plane, so that the contact area between the water cooling loop and the air cooling loop can be increased; a clip plate 111 is formed on each of the heat-dissipating water paths 110 to close an opening of the heat-dissipating water path 110.
Example 4
In this embodiment, stator core 210's surface still is formed with a plurality of mounting grooves 212, the direction of mounting groove 212 with stator radiating groove 211 is unanimous, and is further, the both sides of mounting groove 212 are formed with the chamfer, and the emergence of the broken sword and the emergence of the scheduling problem of fluff thorn when avoiding stator core processing excircle, and mounting groove 212 is used for installing fixed strip 260, and will be adjacent through fixed strip 260 stator core 210 fixes structure as an organic whole.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention, and therefore, the scope of the present invention shall be subject to the claims.
Claims (10)
1. A motor heat dissipation system, comprising:
the heat dissipation device comprises an outer shell, a heat dissipation water channel and a heat dissipation water channel, wherein an installation inner cavity is formed in the outer shell, a plurality of heat dissipation water channels are formed in the surface of the outer shell, and the plurality of heat dissipation water channels are consistent with the length direction of the outer shell; a water inlet and a water outlet are formed on the outer shell, and both the water inlet and the water outlet are communicated with the heat dissipation waterway;
the end covers can be detachably mounted at two ends of the outer shell, annular water paths are arranged on the end covers at the two ends, and two ends of the plurality of heat dissipation water paths are respectively communicated with the annular water paths on the end covers at two sides;
the stator assembly is fixed in the installation inner cavity, a rotating inner cavity is formed in the stator assembly, the stator assembly comprises a plurality of stator cores which are arranged along the length direction of the outer shell, stator heat dissipation gaps are formed between every two adjacent stator cores, a plurality of stator heat dissipation grooves are formed in a dispersed mode along the circumferential direction of the outer surface of each stator core, the stator heat dissipation grooves of every two adjacent stator cores are in one-to-one correspondence, and a plurality of stator ventilation channels consistent with the length direction of the outer shell are formed;
a rotor assembly formed in the rotation cavity and including a rotation shaft and a plurality of rotor heat dissipation portions formed on the rotation shaft in a dispersed manner along an axial direction of the rotation shaft; a rotor heat dissipation gap is formed between the rotor heat dissipation parts, and a vent hole is formed on each rotor heat dissipation part;
and the coil assembly is positioned in the mounting cavity and positioned at two ends of the stator assembly respectively.
2. The motor heat dissipation system of claim 1,
and the ventilation holes on the adjacent rotor radiating parts are in one-to-one correspondence to form a rotor ventilation channel consistent with the axial direction of the rotating shaft.
3. The motor heat dissipation system of claim 1,
the rotor heat dissipation part is annular and is sleeved outside the rotating shaft and fixedly connected with the rotating shaft, and the ventilation openings are formed on the surface of the rotor heat dissipation part in a dispersed mode along the circumferential direction.
4. The motor heat dissipation system of claim 1,
the stator heat dissipation gaps and the rotor heat dissipation gaps are in one-to-one correspondence and are communicated with each other.
5. The motor heat dissipation system of claim 2,
the centrifugal fan is positioned on the inner side of any coil assembly and is coaxially mounted with the rotating shaft.
6. The motor heat dissipation system of claim 5,
the caliber of the centrifugal fan is gradually expanded outwards from the end part of the rotor assembly to the direction adjacent to the end cover.
7. The motor heat dissipation system of claim 6,
and an air guide part is formed on the outer side of the centrifugal fan, an air outlet end is formed on the air guide part, and the air outlet end is communicated with the rotor ventilation groove.
8. The motor heat dissipation system of claim 1,
the heat dissipation water paths are grooves formed in the surface of the outer shell and extend towards the center direction, and buckling plates are formed on the heat dissipation water paths.
9. The motor heat dissipation system of claim 1,
the surface of stator core still is formed with a plurality of mounting grooves, the direction of mounting groove with the stator radiating groove is unanimous, the both sides of mounting groove are formed with the chamfer.
10. The motor heat dissipation system of claim 9,
and the stator core is fixed through a fixing strip, and the fixing strip is connected in the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111087805.0A CN115811167A (en) | 2021-09-16 | 2021-09-16 | Motor cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111087805.0A CN115811167A (en) | 2021-09-16 | 2021-09-16 | Motor cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115811167A true CN115811167A (en) | 2023-03-17 |
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ID=85482171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111087805.0A Pending CN115811167A (en) | 2021-09-16 | 2021-09-16 | Motor cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116566110A (en) * | 2023-07-04 | 2023-08-08 | 中铁九局集团有限公司 | New energy mining truck driving motor with efficient heat dissipation structure |
-
2021
- 2021-09-16 CN CN202111087805.0A patent/CN115811167A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116566110A (en) * | 2023-07-04 | 2023-08-08 | 中铁九局集团有限公司 | New energy mining truck driving motor with efficient heat dissipation structure |
| CN116566110B (en) * | 2023-07-04 | 2023-09-08 | 中铁九局集团有限公司 | New energy mining truck driving motor with efficient heat dissipation structure |
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