CN108847743B - Water cooling system of driving motor for new energy automobile - Google Patents
Water cooling system of driving motor for new energy automobile Download PDFInfo
- Publication number
- CN108847743B CN108847743B CN201810688222.5A CN201810688222A CN108847743B CN 108847743 B CN108847743 B CN 108847743B CN 201810688222 A CN201810688222 A CN 201810688222A CN 108847743 B CN108847743 B CN 108847743B
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- China
- Prior art keywords
- cooling water
- motor
- water
- channel
- shell
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 238000001816 cooling Methods 0.000 title claims abstract description 18
- 239000000498 cooling water Substances 0.000 claims abstract description 81
- 239000002184 metal Substances 0.000 claims abstract description 4
- 230000017525 heat dissipation Effects 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a water cooling system of a driving motor for a new energy automobile, which comprises a motor shell, wherein the motor shell penetrates through a metal column casing structure, and a plurality of strip-shaped cooling water channels are arranged in the shell wall of the motor shell; the length direction of each cooling water channel is parallel to the axis direction of the motor shell, and the cooling water channels are uniformly distributed in a circumferential array along the axis of the motor shell; the invention has simple structure, and particularly after the circulating cooling water channel structure of the scheme is adopted, the inside of the wall body of the whole motor shell continuously passes through cooling water, and compared with the cooling effect of the traditional passive fin cooling structure, the cooling effect is obviously improved.
Description
Technical Field
The invention belongs to the field of motors, and particularly relates to a water cooling system of a driving motor for a new energy automobile.
Background
The stator coil can emit heat due to the current heating effect in the running process of the motor, and if the motor is not cooled in time, the internal resistance of the motor is increased, so that the performance of the motor is further influenced, and even the motor is burnt out; the motor shell is a main heat release part of the motor, a passive heat radiation mode with a heat radiation fin is adopted in the prior art, and the effect is not ideal.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides a water cooling system of a driving motor for a new energy automobile, which has higher cooling efficiency.
The technical scheme is as follows: in order to achieve the above purpose, the water cooling system of the driving motor for the new energy automobile comprises a motor shell, wherein the motor shell penetrates through a metal column casing structure, and a plurality of strip-shaped cooling water channels are arranged in the shell wall of the motor shell; the length direction of each cooling water channel is parallel to the axis direction of the motor shell, and the cooling water channels are uniformly distributed in a circumferential array along the axis of the motor shell;
the plurality of cooling water channels comprise a water inlet cooling water channel, a water outlet cooling water channel and a plurality of transition cooling water channels; the water inlet cooling water channel and the water outlet cooling water channel are adjacent water channels;
one end of the water outlet cooling water channel is provided with a water outlet hole, and one end of the water outlet cooling water channel far away from the water outlet hole is communicated with a transition cooling water channel adjacent to the water outlet hole through a communicating channel; one end of the water inlet cooling water channel is provided with a water inlet hole, and one end of the water inlet cooling water channel, which is far away from the water inlet hole, is communicated with an adjacent transitional cooling water channel through a communicating channel;
the two adjacent transition cooling water channels are communicated with each other through a conduction channel, and each two adjacent conduction channels are positioned at two ends of the commonly communicated transition cooling water channel;
stator coils are fixedly arranged on the inner wall of the motor shell in a coaxial mode, and motor rotors are arranged on the inner rings of the stator coils in a coaxial mode in a rotating mode.
Further, a plurality of strip-shaped heat dissipation teeth are arranged on one side of each cooling water channel, which is close to the inner wall surface of the motor shell, in an array protruding mode, and two ends of each strip-shaped heat dissipation tooth extend to two ends of the corresponding cooling water channel.
Further, the water inlet joint and the water outlet joint are respectively communicated with the water inlet hole and the water outlet hole; the other ends of the water inlet joint and the water outlet joint are respectively communicated with a water inlet pipe and a water outlet pipe.
Further, a shell front end cover and a shell rear end cover are respectively arranged at two ends of the motor shell; the motor main shaft is connected with the motor rotor coaxially and synchronously;
the motor main shaft is respectively connected with the front end cover of the shell and the rear end cover of the shell in a coaxial rotation way through a first bearing and a second bearing; and the output end of the motor spindle penetrates out from the front shaft hole of the front end cover of the shell coaxially.
The beneficial effects are that: the invention has simple structure, and particularly after the circulating cooling water channel structure is adopted, the inside of the wall body of the whole motor shell continuously passes through cooling water, so that the cooling effect of the cooling water channel structure is obviously improved compared with that of the traditional passive fin cooling structure; in the running process of the motor, cold water enters the water inlet cooling water channel through the water inlet pipe and the water inlet joint, then water in the water inlet cooling water channel sequentially flows through a plurality of transition cooling water channels, and finally water heated by the motor shell flows out from the water outlet cooling water channel to the water outlet joint and the water outlet pipe, so that a water cooling cycle is realized; and then the heat on the motor shell is taken away by the cooling water flowing through the cooling water channel, so that the heat dissipation efficiency is greatly improved.
Drawings
FIG. 1 is a schematic perspective view of a motor housing;
FIG. 2 is a front view of the motor housing;
FIG. 3 is a schematic view in the direction D of FIG. 2;
FIG. 4 is a schematic view in direction B of FIG. 2;
FIG. 5 is a schematic view in the direction C of FIG. 2;
FIG. 6 is a schematic diagram of the overall structure of the motor;
fig. 7 is an overall sectional view of the motor.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The water cooling system of the driving motor for the new energy automobile as shown in the attached figures 1 to 7 comprises a motor shell 5, wherein the motor shell 5 penetrates through a metal column casing structure, and a plurality of strip-shaped cooling water channels 29 are arranged in the shell wall of the motor shell 5; the length direction of each cooling water channel 29 is parallel to the axis direction of the motor housing 5, and each cooling water channel 29 is uniformly distributed in a circumferential array along the axis of the motor housing 5; the purpose of the division is to improve the heat dissipation uniformity;
the several cooling water channels 29 in the present embodiment comprise one inlet water cooling water channel 29.1, one outlet water cooling water channel 29.2 and several transition cooling water channels 29.3; wherein the inlet water cooling water channel 29.1 and the outlet water cooling water channel 29.2 are adjacent water channels; one end of the water outlet cooling water channel 29.2 is provided with a water outlet hole 31, and one end of the water outlet cooling water channel 29.2 far away from the water outlet hole 31 is communicated with the adjacent transitional cooling water channel 29.3 through a conducting channel 40; one end of the water inlet cooling water channel 29.1 is provided with a water inlet hole 32, and one end of the water inlet cooling water channel 29.1 far away from the water inlet hole 32 is communicated with an adjacent transitional cooling water channel 29.3 through a conducting channel 40; each two adjacent transitional cooling water channels 29.3 are communicated with each other through a conducting channel 40, and each two adjacent conducting channels 40 are positioned at two ends of the communicated transitional cooling water channel 29.3; the arrangement of the cooling water channels 29 ensures that the water flow inside the wall of the motor housing 5 does not repeat and flow uniformly through each heated area;
since the inner wall of the motor housing 5 is a main heated portion, in this embodiment, a plurality of strip-shaped heat dissipation teeth 30 are arranged on one side of each cooling water channel 29, which is close to the inner wall surface of the motor housing 5, in an array manner, and two ends of each strip-shaped heat dissipation tooth 30 extend to two ends of the corresponding cooling water channel 29, and the strip-shaped heat dissipation teeth 30 not only increase the heat dissipation area in the cooling water channel 29, but also greatly reduce the resistance to water flow due to the structure that the extending direction of the strip-shaped heat dissipation teeth is parallel to the water flow direction.
The water inlet joint 44 and the water outlet joint 43 are respectively connected with the water inlet hole 32 and the water outlet hole 31 in a communicated manner; the other ends of the water inlet joint 44 and the water outlet joint 43 are respectively communicated with a water inlet pipe and a water outlet pipe. The two ends of the motor shell 5 are respectively provided with a shell front end cover 2 and a shell rear end cover 11; the motor rotor 6 is characterized by further comprising a motor main shaft 14, wherein the motor main shaft 14 is synchronously connected with the motor rotor 6 in a coaxial way; during operation of the motor, cold water enters the water inlet cooling water channel 29.1 through the water inlet pipe and the water inlet joint 44, then water in the water inlet cooling water channel 29.1 sequentially flows through the transition cooling water channels 29.3, and finally water heated by the motor shell 5 flows out of the water outlet cooling water channel 29.2 into the water outlet joint 43 and the water outlet pipe, so that water cooling circulation is realized; and heat on the motor housing 5 is taken away by the cooling water flowing through the cooling water channel 29, so that the heat dissipation efficiency is greatly improved.
The motor main shaft 14 is respectively connected with the front end cover 2 of the shell and the rear end cover 11 of the shell in a coaxial rotation way through a first bearing 17 and a second bearing 10; and the output end 28 of the motor main shaft 14 coaxially penetrates out of the front shaft hole 18 of the front end cover 2 of the shell; the inner wall of the motor housing 5 of the embodiment is coaxially and fixedly provided with a stator coil 4, the inner ring of the stator coil 4 is coaxially and rotatably provided with a motor rotor 6, and heat can be released to the motor housing 5 in the running process of the stator coil 4.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (3)
1. A water cooling system of a driving motor for a new energy automobile is characterized in that: the motor comprises a motor shell (5), wherein the motor shell (5) penetrates through a metal column casing structure, and a plurality of strip-shaped cooling water channels (29) are arranged in the shell wall of the motor shell (5); the length direction of each cooling water channel (29) is parallel to the axis direction of the motor housing (5), and the cooling water channels (29) are uniformly distributed in a circumferential array along the axis of the motor housing (5);
the plurality of cooling water channels (29) comprise a water inlet cooling water channel (29.1), a water outlet cooling water channel (29.2) and a plurality of transition cooling water channels (29.3); wherein the water inlet cooling water channel (29.1) and the water outlet cooling water channel (29.2) are adjacent water channels;
one end of the water outlet cooling water channel (29.2) is provided with a water outlet hole (31), and one end of the water outlet cooling water channel (29.2) far away from the water outlet hole (31) is communicated with a transition cooling water channel (29.3) adjacent to the water outlet cooling water channel through a conducting channel (40); one end of the water inlet cooling water channel (29.1) is provided with a water inlet hole (32), and one end of the water inlet cooling water channel (29.1) far away from the water inlet hole (32) is communicated with a transition cooling water channel (29.3) adjacent to the water inlet cooling water channel through a conducting channel (40);
each two adjacent transitional cooling water channels (29.3) are communicated with each other through a conduction channel (40), and each two adjacent conduction channels (40) are positioned at two ends of the communicated transitional cooling water channels (29.3);
the motor comprises a motor shell (5), wherein a stator coil (4) is fixedly arranged on the inner wall of the motor shell in a coaxial manner, and a motor rotor (6) is rotatably arranged on the inner ring of the stator coil (4) in a coaxial manner;
a plurality of strip-shaped heat dissipation teeth (30) are arranged on one side of each cooling water channel (29) close to the inner wall surface of the motor shell (5) in an array protruding mode, and two ends of each strip-shaped heat dissipation tooth (30) extend to two ends of the corresponding cooling water channel (29).
2. The water cooling system of a driving motor for a new energy automobile according to claim 1, wherein: the water inlet joint (44) and the water outlet joint (43) are further included, and one ends of the water inlet joint (44) and the water outlet joint (43) are respectively communicated with the water inlet hole (32) and the water outlet hole (31); the other ends of the water inlet joint (44) and the water outlet joint (43) are respectively communicated with a water inlet pipe and a water outlet pipe.
3. The water cooling system of a driving motor for a new energy automobile according to claim 2, wherein: two ends of the motor shell (5) are respectively provided with a shell front end cover (2) and a shell rear end cover (11); the motor rotor (6) is characterized by further comprising a motor main shaft (14), wherein the motor main shaft (14) is synchronously connected with the motor rotor (6) through the coaxial center;
the motor main shaft (14) is respectively connected with the front end cover (2) and the rear end cover (11) of the shell in a coaxial rotation way through a first bearing (17) and a second bearing (10); and the output end (28) of the motor main shaft (14) is coaxially penetrated out of the front shaft hole (18) of the front end cover (2) of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688222.5A CN108847743B (en) | 2018-06-28 | 2018-06-28 | Water cooling system of driving motor for new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810688222.5A CN108847743B (en) | 2018-06-28 | 2018-06-28 | Water cooling system of driving motor for new energy automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108847743A CN108847743A (en) | 2018-11-20 |
| CN108847743B true CN108847743B (en) | 2023-12-26 |
Family
ID=64200688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810688222.5A Active CN108847743B (en) | 2018-06-28 | 2018-06-28 | Water cooling system of driving motor for new energy automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108847743B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707864A (en) * | 2019-10-30 | 2020-01-17 | 中车株洲电机有限公司 | New energy automobile motor frame |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101001031A (en) * | 2006-12-28 | 2007-07-18 | 奇瑞汽车有限公司 | Dynamo-electric machine cooling jacket of electric automobile |
| KR101093795B1 (en) * | 2010-06-28 | 2011-12-19 | 현대중공업 주식회사 | Water cooling electric motor for electric vehicle |
| WO2013041047A1 (en) * | 2011-09-23 | 2013-03-28 | 无锡开普机械有限公司 | Electric motor water cooling device |
| CN103701264A (en) * | 2013-12-12 | 2014-04-02 | 大连天元电机股份有限公司 | Water channel cooling device of high-power doubly-fed wind driven generator |
| CN106899134A (en) * | 2015-12-21 | 2017-06-27 | 江苏远东电机制造有限公司 | Composite cooling motor |
| CN208369372U (en) * | 2018-06-28 | 2019-01-11 | 苏州索尔达动力科技有限公司 | A kind of cooling water channel structure of new-energy automobile driving motor casing |
-
2018
- 2018-06-28 CN CN201810688222.5A patent/CN108847743B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101001031A (en) * | 2006-12-28 | 2007-07-18 | 奇瑞汽车有限公司 | Dynamo-electric machine cooling jacket of electric automobile |
| KR101093795B1 (en) * | 2010-06-28 | 2011-12-19 | 현대중공업 주식회사 | Water cooling electric motor for electric vehicle |
| WO2013041047A1 (en) * | 2011-09-23 | 2013-03-28 | 无锡开普机械有限公司 | Electric motor water cooling device |
| CN103701264A (en) * | 2013-12-12 | 2014-04-02 | 大连天元电机股份有限公司 | Water channel cooling device of high-power doubly-fed wind driven generator |
| CN106899134A (en) * | 2015-12-21 | 2017-06-27 | 江苏远东电机制造有限公司 | Composite cooling motor |
| CN208369372U (en) * | 2018-06-28 | 2019-01-11 | 苏州索尔达动力科技有限公司 | A kind of cooling water channel structure of new-energy automobile driving motor casing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108847743A (en) | 2018-11-20 |
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