CN212183270U - Permanent magnet motor - Google Patents
Permanent magnet motor Download PDFInfo
- Publication number
- CN212183270U CN212183270U CN202021210400.2U CN202021210400U CN212183270U CN 212183270 U CN212183270 U CN 212183270U CN 202021210400 U CN202021210400 U CN 202021210400U CN 212183270 U CN212183270 U CN 212183270U
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- Prior art keywords
- casing
- cooling
- rear end
- flange
- permanent magnet
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- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 238000007789 sealing Methods 0.000 claims description 28
- 238000004891 communication Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 10
- 239000002826 coolant Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 239000000110 cooling liquid Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to a permanent magnet motor belongs to motor cooling's technical field, and it includes the casing, be provided with stator and active cell in the casing, the casing both ends are provided with front end housing and rear end cap respectively, the pivot of active cell is passed the front end housing and is stretched out outside the casing, the cooling bath has been seted up along the generating line direction to the casing cylinder face, the cooling bath is provided with the multiunit along casing circumference interval, front end housing and rear end cap have seted up the intercommunication groove towards one side of casing is crisscross, intercommunication groove both ends communicate with two adjacent cooling bath respectively, and multiunit intercommunication groove and cooling bath form a continuous cooling channel, cooling channel's both ends are connected with inlet tube and outlet pipe respectively. The utility model has the advantage of good cooling effect.
Description
Technical Field
The utility model belongs to the technical field of motor cooling's technique and specifically relates to a permanent-magnet machine is related to.
Background
The permanent magnet motor is increasingly applied to new energy automobiles due to the advantage of high torque power density, the cooling modes of the motor are various, the motor is classified according to cooling media, water cooling and air cooling are realized, the motor is classified according to a cooling loop, and the cooling modes can also comprise free circulation cooling, inlet and outlet pipe cooling, internal and external cooler cooling and the like.
Chinese patent with publication number CN205509780U discloses an external water cooling device for permanent magnet motor, which comprises a cooling pipe installed outside the permanent magnet motor, wherein the cooling pipe is arranged in the radiating fin of the motor housing in an S-shape, one end of the cooling pipe is a water inlet, the other end of the cooling pipe is a water outlet, the water inlet is connected with a water storage device, a water pump is arranged in the water storage device, when in use, the water pump pumps the water into the cooling pipe, and the water flows along the cooling pipe to absorb the heat of the motor and finally returns to the water storage device.
The above prior art solutions have the following drawbacks: the outer wall of the motor shell is generally an arc surface, the outer wall of the cooling pipeline is also an arc surface, the cooling pipeline is in line contact with the motor shell, the contact area is small, the heat conduction efficiency is low, and the cooling effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a permanent-magnet machine, which has the advantage of good cooling effect.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a permanent magnet motor, includes the casing, be provided with stator and active cell in the casing, the casing both ends are provided with front end housing and rear end cap respectively, the pivot of active cell is passed the front end housing and is stretched out outside the casing, the cooling bath has been seted up along the generating line direction to the casing cylinder, the cooling bath is provided with the multiunit along casing circumference interval, front end housing and rear end cap have seted up the intercommunication groove towards one side of casing is crisscross, the intercommunication groove both ends communicate with two adjacent cooling baths respectively, and multiunit intercommunication groove and cooling bath form a continuous cooling channel, the both ends of cooling channel are connected with inlet tube and outlet pipe respectively.
By adopting the technical scheme, the cooling groove is formed in the shell, so that the cooling liquid can be fully contacted with the shell, the contact area is large, the heat exchange efficiency is high, and the heat dissipation effect is good; the multiunit radiating groove that sets up along circumference makes each position of casing can both obtain the heat dissipation, and the multiunit radiating groove forms a heat dissipation channel through the intercommunication groove simultaneously, and the structure is comparatively simple, only needs a set of water pump cooperation to use to the terminal surface at front end housing and rear end cap is seted up to the spread groove, and processing is comparatively convenient, and the processing cost is lower.
The utility model discloses further set up to: the shell is characterized in that a first connecting flange is arranged at each of two ends of the shell, a second flange and a third flange which are matched with the first flange are arranged on the front end cover and the rear end cover respectively, and locking bolts are in threaded connection with the second flange and the third flange respectively.
Through adopting above-mentioned technical scheme, two sets of flanges one respectively with two and three butts of flange, area of contact is great, the butt is more inseparable, the coolant liquid leakage risk is less, can loosen the locking bolt and pull down front end housing and rear end cap when overhauing, clear up radiating groove and intercommunication groove.
The utility model discloses further set up to: and the front end cover and the rear end cover are respectively provided with a sealing groove surrounding the communication groove, and a sealing ring is arranged in the sealing groove.
By adopting the technical scheme, when the sealing device is used, the end part of the shell is tightly abutted to the sealing ring, so that the sealing ring is deformed to play a sealing role, the sealing performance is improved, and the risk of liquid leakage is reduced; the sealing washer is fixed a position the sealing washer, avoids the sealing washer to slide.
The utility model discloses further set up to: and one sides of the front end cover and the rear end cover facing the shell are respectively provided with a sealing sleeve, and the outer wall of the sealing sleeve is tightly abutted to the inner wall of the shell.
Through adopting above-mentioned technical scheme, ageing as the sealing washer, when the coolant liquid oozes from the sealing washer, the seal cover can avoid the coolant liquid to get into inside the casing, prevents that the motor from taking place the short circuit because of the coolant liquid, and the leakproofness is better.
The utility model discloses further set up to: and the second flange and the third flange are respectively provided with a water drainage groove along the radial direction, and the water drainage grooves and the communication grooves are arranged in a staggered manner.
Through adopting above-mentioned technical scheme, the water drainage tank can be outside the coolant liquid discharge casing that oozes, avoids in the coolant liquid infiltration casing, has further promoted the waterproof shape of motor.
The utility model discloses further set up to: and a plurality of groups of radiating fins are arranged on the outer wall of the shell.
Through adopting above-mentioned technical scheme, the fin can increase the area of casing and air contact, makes the heat of casing give off the air better in, has played supplementary radiating effect.
The utility model discloses further set up to: the number of the cooling groove groups is even, and the water inlet pipe and the water outlet pipe are both arranged on the rear end cover.
Through adopting above-mentioned technical scheme, inlet tube and outlet pipe all lie in the rear end cap, are in with one side comparatively convenient when connecting inlet tube and drain pipe, reduce the length of pipeline, the space occupies littleer.
The utility model discloses further set up to: the one end that the rear end cap was kept away from to the inlet tube is provided with the external screw thread, the one end that the rear end cap was kept away from to the outlet pipe is provided with the internal thread with external screw thread fit.
Through adopting above-mentioned technical scheme, the inlet tube is inconsistent with the joint of outlet pipe, can avoid the staff to connect the mistake when connecting line, simultaneously, when overhauing, with the free end threaded connection of inlet tube and outlet pipe, can avoid the coolant liquid in the cooling channel to spill, and it is comparatively convenient to use.
To sum up, the utility model discloses a beneficial technological effect does:
1. the cooling channels are arranged, and the communicating channels are arranged to form a continuous cooling channel, so that the motor can be cooled by injecting cooling liquid into the cooling channel, and the cooling effect is good;
2. the outer wall of the shell is provided with the plurality of groups of radiating fins, so that the auxiliary radiating function can be achieved, and the cooling effect is further improved;
3. through at inlet tube free end external screw thread, be provided with at the outlet pipe free end with external screw-thread fit's internal thread, not only played the mistake proofing effect to when overhauing, with the free end threaded connection of inlet tube and outlet pipe, can avoid the coolant liquid in the cooling channel to spill.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of FIG. 1;
FIG. 3 is a schematic structural view of the front end cap of FIG. 1;
FIG. 4 is a schematic structural view of the rear end cap of FIG. 1;
fig. 5 is a partially enlarged schematic view of a in fig. 2.
In the figure, 1, a housing; 2. a front end cover; 3. a rear end cap; 4. a first flange; 5. a second flange; 6. a third flange; 7. locking the bolt; 8. a cooling tank; 9. a communicating groove; 10. a water inlet pipe; 11. a water outlet pipe; 12. a sealing groove; 13. a seal ring; 14. sealing sleeves; 15. a water discharge tank; 16. and a heat sink.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a permanent magnet motor, including being cylindric casing 1, casing 1 both ends are provided with front end housing 2 and rear end cap 3 respectively, are provided with stator and active cell in the casing 1, and the pivot of active cell is passed front end housing 2 and is stretched out outside casing 1.
The two ends of the shell 1 are respectively provided with a first flange 4, a second flange 5 and a third flange 6 which are parallel to the first flange 4 are respectively arranged on the front end cover 2 and the rear end cover 3, bolt holes are respectively formed in the first flange 4, the second flange 5 and the third flange 6 at intervals along the circumferential direction, when the assembly is finished, the second flange 5 and the third flange 6 are respectively abutted against the first reverse fence, locking bolts 7 penetrate through the bolt holes, and then the locking nuts are fixed in a locking mode.
The outer wall of the shell 1 is provided with cooling fins 16 along the bus direction, the cooling fins 16 are arranged in a plurality of groups along the circumferential direction of the shell 1 at intervals, and chamfers are respectively arranged at two ends of each cooling fin 16 to prevent workers from being injured when carelessly touching sharp corners.
Referring to fig. 2 and 3, a cooling groove 8 is formed in the cylindrical surface of the shell 1 along the bus direction, six groups of cooling grooves 8 are circumferentially arranged along the shell 1 at intervals, three groups of communicating grooves 9 are circumferentially uniformly arranged on one side, facing the shell 1, of the front end cover 2 at intervals, two groups of communicating grooves 9 are formed on one side, facing the shell 1, of the rear end cover 3, the communicating grooves 9 on the front end cover 2 and the communicating grooves 9 on the rear end cover 3 are arranged in a staggered mode, two ends of each communicating groove 9 are respectively communicated with two adjacent cooling grooves 8, and a continuous cooling channel is formed between each six groups of cooling grooves 8 and five groups of communicating grooves 9.
The two ends of the cooling channel are respectively connected with a water inlet pipe 10 and a water outlet pipe 11, the water inlet pipe 10 and the water outlet pipe 11 are positioned on one side, facing the rear end cover 3, of the shell 1, external threads are arranged at one end, away from the rear end cover 3, of the water inlet pipe 10, internal threads matched with the external threads are arranged at one end, away from the rear end cover 3, of the water outlet pipe 11, in actual use, a cooling box is arranged on the new energy automobile, a water pump is arranged in the cooling box, the water pump pumps cooling liquid in the cooling box into the cooling channel, and; when the maintenance is needed, the free ends of the water inlet pipe 10 and the water outlet pipe 11 can be in threaded connection, so that the coolant in the maintenance channel is prevented from flowing out.
Referring to fig. 4 and 5, the front end cover 2 and the rear end cover 3 are respectively provided with a sealing groove 12 surrounding the communication groove 9, an O-shaped sealing ring 13 is arranged in the sealing groove 12, and after the assembly, the sealing ring 13 is extruded and deformed, so that the sealing effect is good.
The second flange 5 and the third flange 6 are provided with water drainage grooves 15 in the radial direction on one surface facing the shell 1, the water drainage grooves 15 are provided with three groups at intervals along the circumferential direction, and the water drainage grooves 15 and the communication grooves 9 are arranged in a staggered mode.
The implementation principle of the embodiment is as follows: the cooling groove 8 on the shell 1 and the communication grooves 9 on the front end cover 2 and the rear end cover 3 form a continuous cooling channel, cooling liquid enters the cooling channel from the water inlet pipe 10 and flows along the cooling channel to absorb heat of the shell 1 and then flows back to the cooling box from the water outlet pipe 11, and meanwhile, the heat is radiated to the air by the radiating fins 16 on the outer wall of the shell 1 to perform auxiliary heat radiation.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a permanent magnet motor, includes casing (1), be provided with stator and active cell in casing (1), casing (1) both ends are provided with front end housing (2) and rear end cap (3) respectively, the pivot of active cell passes front end housing (2) and stretches out outside casing (1), its characterized in that: casing (1) cylinder has seted up cooling bath (8) along the generating line direction, cooling bath (8) are provided with the multiunit along casing (1) circumference interval, front end housing (2) and rear end cap (3) are crisscross towards one side of casing (1) and have been seted up intercommunication groove (9), intercommunication groove (9) both ends communicate with two adjacent cooling bath (8) respectively, and multiunit intercommunication groove (9) and cooling bath (8) form a continuous cooling channel, cooling channel's both ends are connected with inlet tube (10) and outlet pipe (11) respectively.
2. A permanent magnet machine according to claim 1, characterized in that: the improved shell is characterized in that two ends of the shell (1) are respectively provided with a first connecting flange (4), a second flange (5) and a third flange (6) which are matched with the first flange (4) are respectively arranged on the front end cover (2) and the rear end cover (3), and the second flange (5) and the third flange (6) are respectively in threaded connection with a locking bolt (7).
3. A permanent magnet machine according to claim 2, characterized in that: the front end cover (2) and the rear end cover (3) are respectively provided with a sealing groove (12) surrounding the communication groove (9), and a sealing ring (13) is arranged in the sealing groove (12).
4. A permanent magnet machine according to claim 3, characterized in that: and one sides of the front end cover (2) and the rear end cover (3) facing the shell (1) are respectively provided with a sealing sleeve (14), and the outer wall of the sealing sleeve (14) is tightly abutted to the inner wall of the shell (1).
5. A permanent magnet electric machine according to claim 4, characterized in that: and the second flange (5) and the third flange (6) are respectively provided with a water drainage groove (15) along the radial direction, and the water drainage grooves (15) and the communication grooves (9) are arranged in a staggered manner.
6. A permanent magnet machine according to claim 1, characterized in that: the outer wall of the shell (1) is provided with a plurality of groups of radiating fins (16).
7. A permanent magnet machine according to claim 1, characterized in that: the number of the groups of the cooling grooves (8) is even, and the water inlet pipe (10) and the water outlet pipe (11) are both arranged on the rear end cover (3).
8. A permanent magnet machine according to claim 7, characterized in that: the one end that rear end cap (3) were kept away from in inlet tube (10) is provided with the external screw thread, the one end that rear end cap (3) were kept away from in outlet pipe (11) is provided with the internal thread with external screw thread complex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021210400.2U CN212183270U (en) | 2020-06-24 | 2020-06-24 | Permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021210400.2U CN212183270U (en) | 2020-06-24 | 2020-06-24 | Permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212183270U true CN212183270U (en) | 2020-12-18 |
Family
ID=73761780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021210400.2U Expired - Fee Related CN212183270U (en) | 2020-06-24 | 2020-06-24 | Permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212183270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937943A (en) * | 2021-10-15 | 2022-01-14 | 合肥新沪屏蔽泵有限公司 | Motor cabinet and pump assembly |
-
2020
- 2020-06-24 CN CN202021210400.2U patent/CN212183270U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113937943A (en) * | 2021-10-15 | 2022-01-14 | 合肥新沪屏蔽泵有限公司 | Motor cabinet and pump assembly |
| CN113937943B (en) * | 2021-10-15 | 2023-02-03 | 合肥新沪屏蔽泵有限公司 | Motor cabinet and pump assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |