CN212063727U - Motor cooling water channel structure - Google Patents
Motor cooling water channel structure Download PDFInfo
- Publication number
- CN212063727U CN212063727U CN202021012189.3U CN202021012189U CN212063727U CN 212063727 U CN212063727 U CN 212063727U CN 202021012189 U CN202021012189 U CN 202021012189U CN 212063727 U CN212063727 U CN 212063727U
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- China
- Prior art keywords
- cooling water
- channel
- outer casing
- water
- inlet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000498 cooling water Substances 0.000 title claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005728 strengthening Methods 0.000 abstract description 5
- 239000002826 coolant Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000000110 cooling liquid Substances 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Abstract
The utility model provides a motor cooling water course structure, including outer casing and inner casing, outer casing cover is established outside the inner casing, be provided with water inlet and delivery port on the outer casing, be provided with the sealing washer between the both ends of inner casing and the outer casing, be provided with the cooling water course in the surface of inner casing, the cooling water course distributes and is the S type along the circumferencial direction, be provided with a baffle in the cooling water course, the baffle separates the cooling water course for inlet channel and water outlet channel, the water inlet on the outer casing communicates with the one end of inlet channel, the delivery port on the outer casing communicates with the one end of water outlet channel, the other end of inlet channel communicates with the other end of water. Cooling water course, strengthening rib and vortex piece have all increased heat radiating area, have strengthened the radiating effect, and strengthening rib and vortex piece play the vortex effect, avoid producing the vortex, increase the turbulence capacity of coolant liquid, have increased motor housing's rigidity. The end part of the reinforcing rib is spaced from the water inlet and the water outlet, so that the pressure drop of the water inlet and the water outlet can be reduced, and the efficiency of the water pump is improved.
Description
Technical Field
The utility model relates to an electricity field especially relates to PMSM, particularly is a motor cooling water channel structure.
Background
Permanent magnet synchronous motors have gained wide application due to their small size and high power density. However, higher power density puts higher technical requirements on the heat dissipation effect of the motor. In the prior art, the main cooling mode of the motor of the new energy automobile is water cooling, and in the working process, heat generated by the stator is transferred to the motor shell through the stator core, and finally the heat is taken away by cooling liquid in the shell. In such a heat transfer path, the heat dissipation effect is poor, and for better heat dissipation effect, it is necessary to reduce the thermal resistance in the transfer path and increase the flow rate of the cooling liquid in the water channel, but the increase in flow rate will result in an increase in pressure drop, and the performance of the water pump, such as efficiency, will not meet the requirements.
Disclosure of Invention
An object of the utility model is to provide a motor cooling water course structure, this kind of motor cooling water course structure solve among the prior art PMSM in the radiating effect poor, the technical problem of water pump inefficiency.
The utility model discloses a motor cooling water course structure, including outer casing and inner casing, outer casing cover establish outside the inner casing, outer casing on be provided with water inlet and delivery port, the both ends of inner casing all be provided with the recess, the recess in be provided with the sealing washer, the sealing washer card locate between inner casing and the outer casing, the surface of inner casing in be provided with the cooling water course, the cooling water course distribute and be the crooked extension of S-shaped along the circumferencial direction, the cooling water course in be provided with a baffle, the baffle separate the cooling water course for inlet channel and outlet channel, the outer casing on the one end intercommunication of water inlet and inlet channel, the outer casing on the one end intercommunication of delivery port and outlet channel, the other end of inlet channel and outlet channel' S the other end intercommunication.
Preferably, at least two reinforcing ribs are arranged in the cooling water channel along the water flow direction.
Preferably, gaps with the length of at least 30mm are respectively arranged between the end parts of the reinforcing ribs in the cooling water channel and the water inlet and the water outlet.
Preferably, a plurality of turbulence blocks are arranged in the cooling water channel and distributed along the water flow direction.
Preferably, the turbulent flow block is cylindrical.
Preferably, the distance between the bottom surface of the cooling water channel and the inner surface of the inner shell is less than five millimeters.
Preferably, the sealing ring is an O-shaped rubber ring.
Compared with the prior art, the utility model, its effect is positive and obvious. The utility model discloses a cooling water course, strengthening rib and the vortex piece of S type have all increased heat radiating area among motor cooling water course structure, have strengthened the radiating effect, and strengthening rib and vortex piece have played the effect of vortex on the one hand, avoid producing the vortex, have increased the torrent ability of coolant liquid, and on the other hand strengthening rib has increased motor housing' S rigidity. Meanwhile, a certain distance is reserved between the end part of the reinforcing rib and the water inlet and outlet, so that the pressure drop of the water inlet and outlet is reduced, and the efficiency of the water pump is improved.
Drawings
Fig. 1 is a schematic view of an outer casing structure in a cooling water channel structure of an electric machine according to the present invention.
Fig. 2 is a schematic view of an inner casing structure in a cooling water channel structure of an electric machine according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments, but the present invention is not limited to this embodiment, and the protection scope of the present invention should be included in all similar structures and similar variations thereof.
Example 1
As shown in fig. 1 and fig. 2, the cooling water channel structure for the motor of the present invention comprises an outer casing 1 and an inner casing 4, wherein the outer casing 1 is sleeved outside the inner casing 4, the outer casing 1 is provided with a water inlet 3 and a water outlet 2, two ends of the inner casing 4 are both provided with grooves 9, the grooves 9 are provided with sealing rings, the sealing rings are clamped between the inner casing 4 and the outer casing 1, the outer surface of the inner casing 4 is provided with a cooling water channel 12, the cooling water channel 12 is distributed along the circumferential direction and extends in an S-shaped curved manner, the cooling water channel 12 is provided with a partition plate 8, the partition plate 8 divides the cooling water channel 12 into a water inlet channel 5 and a water outlet channel 11, the water inlet 3 on the outer casing 1 is communicated with one end of the water inlet channel 5, the water outlet 2 on the outer casing 1 is communicated with one end of the water outlet channel 11, the other end of the water inlet channel 5 is communicated with the other end of the water outlet channel 11.
Preferably, at least two reinforcing ribs 7 are arranged in the cooling water channel 12 along the water flow direction.
Preferably, gaps with the length of at least 30mm are respectively arranged between the end parts of the reinforcing ribs 7 in the cooling water channel and the water inlet 3 and the water outlet 2.
Preferably, a plurality of flow disturbing blocks 6 are arranged in the cooling water channel 12, and the flow disturbing blocks 6 are distributed along the water flow direction.
Preferably, the spoiler 6 is cylindrical.
Preferably, the bottom surface of the cooling water channel 12 is less than five millimeters from the inner surface of the inner casing 4.
Preferably, the sealing ring is an O-shaped rubber ring.
The working principle of the embodiment is as follows: when the cooling device is used, cooling liquid enters the cooling water channel 12 from the water inlet 3 on the outer machine shell 1, takes away heat of the machine shell and flows out of the water outlet 2. The sealing ring can ensure the sealing performance of the water channel and prevent the water channel from leaking water. The cooling water channel 12, the reinforcing ribs 7 and the turbulence blocks 6 of the S type increase the heat dissipation area and enhance the heat dissipation effect, the reinforcing ribs 7 and the turbulence blocks 6 play a role in turbulence on one hand, avoid generating eddy currents and increase the turbulence capacity of cooling liquid, and the reinforcing ribs 7 increase the rigidity of the motor shell on the other hand. Meanwhile, a distance of at least 30mm is reserved between the end part of the reinforcing rib of the cooling water channel and the water inlet and outlet. The thickness of the bottom surface of the cooling water channel 12 from the inner surface of the inner shell 4 is less than five millimeters, so that the heat conduction thickness from the stator to the cooling liquid can be reduced, the thermal resistance is reduced, and the weight of the motor is reduced under the condition that the strength of the shell is not influenced.
Claims (7)
1. The utility model provides a motor cooling water course structure which characterized in that: including outer casing (1) and inner casing (4), outer casing (1) cover establish outside inner casing (4), outer casing (1) on be provided with water inlet (3) and delivery port (2), the both ends of inner casing (4) all be provided with recess (9), recess (9) in be provided with the sealing washer, the sealing washer card locate between inner casing (4) and outer casing (1), the surface of inner casing (4) in be provided with cooling water course (12), cooling water course (12) distribute and be the crooked extension of S-shaped along the circumferencial direction, cooling water course (12) in be provided with a baffle (8), baffle (8) separate cooling water course (12) for inlet channel (5) and outlet channel (11), outer casing (1) on water inlet (3) and the one end intercommunication of inlet channel (5), the water outlet (2) on the outer casing (1) is communicated with one end of the water outlet channel (11), and the other end of the water inlet channel (5) is communicated with the other end of the water outlet channel (11).
2. The electric machine cooling water channel structure according to claim 1, wherein: at least two reinforcing ribs (7) are arranged in the cooling water channel (12) along the water flow direction.
3. The electric machine cooling water channel structure according to claim 1, wherein: gaps with the length of at least 30mm are respectively arranged between the end parts of the reinforcing ribs (7) in the cooling water channel (12) and the water inlet (3) and the water outlet (2).
4. The electric machine cooling water channel structure according to claim 1, wherein: the cooling water channel (12) is internally provided with a plurality of turbulence blocks (6), and the turbulence blocks (6) are distributed along the water flow direction.
5. The electric machine cooling water channel structure according to claim 4, wherein: the flow disturbing block (6) is cylindrical.
6. The electric machine cooling water channel structure according to claim 1, wherein: the distance between the bottom surface of the cooling water channel (12) and the inner surface of the inner shell (4) is less than five millimeters.
7. The electric machine cooling water channel structure according to claim 1, wherein: the sealing ring is an O-shaped rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021012189.3U CN212063727U (en) | 2020-06-05 | 2020-06-05 | Motor cooling water channel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021012189.3U CN212063727U (en) | 2020-06-05 | 2020-06-05 | Motor cooling water channel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212063727U true CN212063727U (en) | 2020-12-01 |
Family
ID=73515115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021012189.3U Active CN212063727U (en) | 2020-06-05 | 2020-06-05 | Motor cooling water channel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212063727U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610384A (en) * | 2020-12-23 | 2021-04-06 | 重庆隆鑫通航发动机制造有限公司 | Starting and launching all-in-one machine shell and starting and launching all-in-one machine |
| CN113300529A (en) * | 2021-06-29 | 2021-08-24 | 智新科技股份有限公司 | Water-cooling shell of motor |
| CN113595329A (en) * | 2021-07-09 | 2021-11-02 | 福安市蓄发电机有限公司 | Closed cooling spin-ring water pump motor and cooling method thereof |
-
2020
- 2020-06-05 CN CN202021012189.3U patent/CN212063727U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610384A (en) * | 2020-12-23 | 2021-04-06 | 重庆隆鑫通航发动机制造有限公司 | Starting and launching all-in-one machine shell and starting and launching all-in-one machine |
| CN113300529A (en) * | 2021-06-29 | 2021-08-24 | 智新科技股份有限公司 | Water-cooling shell of motor |
| CN113595329A (en) * | 2021-07-09 | 2021-11-02 | 福安市蓄发电机有限公司 | Closed cooling spin-ring water pump motor and cooling method thereof |
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