CN220368553U - Circulating water cooling permanent magnet synchronous motor - Google Patents

Circulating water cooling permanent magnet synchronous motor Download PDF

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Publication number
CN220368553U
CN220368553U CN202322033184.9U CN202322033184U CN220368553U CN 220368553 U CN220368553 U CN 220368553U CN 202322033184 U CN202322033184 U CN 202322033184U CN 220368553 U CN220368553 U CN 220368553U
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CN
China
Prior art keywords
permanent magnet
shell
magnet synchronous
flow guide
synchronous motor
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CN202322033184.9U
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Chinese (zh)
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尤素刚
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Nanjing Youtuo Electromechanical Technology Co ltd
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Nanjing Youtuo Electromechanical Technology Co ltd
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Abstract

The utility model relates to the technical field of permanent magnet synchronous motors, in particular to a circulating water-cooling permanent magnet synchronous motor, which comprises: the stator winding is assembled in the stator winding, and is characterized in that the shell assembly comprises an inner shell and an outer shell, a protruding part is connected to one side, close to the end cover, of the inner shell, the inner shell is connected with the outer shell through the protruding part, and a sealing structure is connected to one side, far away from the end cover, of the inner shell. According to the utility model, the flowing cavity is formed by matching the outer shell and the inner shell, cooling water circularly flows in the flowing cavity under the action of the circulating flow guide assembly, heat generated by the permanent magnet synchronous motor is fully absorbed, meanwhile, the sealing structure not only prevents the cooling water from overflowing, but also facilitates the subsequent disassembly to maintain the cooling water channel, so that the service life of the motor is prolonged.

Description

Circulating water cooling permanent magnet synchronous motor
Technical Field
The utility model relates to the technical field of permanent magnet synchronous motors, in particular to a circulating water-cooling permanent magnet synchronous motor.
Background
The permanent magnet synchronous motor is excited by the permanent magnet, so that the motor structure is simpler, the processing and assembling cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, the running reliability of the motor is improved, exciting current is not needed, exciting loss is avoided, the permanent magnet synchronous motor consists of a stator, a rotor, an end cover and other parts, the permanent magnet synchronous motor generates heat during operation, therefore, the motor body is required to be cooled, the conventional cooling mode is to adopt air cooling, or a cooling fan is additionally arranged at the other end of an output shaft of the motor, so that the motor synchronously drives the fan to rotate during operation, and the surface of the motor is subjected to air cooling and heat dissipation.
In view of the above related art, the inventors found that the fan on the permanent magnet synchronous motor has poor air blowing and heat dissipating effects on the motor casing, and the use of the fan for heat dissipation can easily accumulate ash, affect power loss and generate large noise, and the like, and if the fan is used in environments such as poor ventilation, the service life of the permanent magnet synchronous motor can be also affected.
Disclosure of Invention
The utility model mainly solves the technical problem of providing the circulating water-cooling permanent magnet synchronous motor, which improves the heat dissipation efficiency of the permanent magnet synchronous motor, can cool the motor when being used in environments such as poor ventilation and the like, and reduces the power loss of the motor.
In order to solve the technical problems, the utility model adopts a technical scheme that: provided is a circulating water-cooled permanent magnet synchronous motor, including: the stator winding is assembled in the stator winding, and is characterized in that the shell assembly comprises an inner shell and an outer shell, a protruding part is connected to one side, close to the end cover, of the inner shell, the inner shell is connected with the outer shell through the protruding part, and a sealing structure is connected to one side, far away from the end cover, of the inner shell;
a flow cavity is formed between the outer shell and the inner shell, a circulating flow guide assembly is arranged in the flow cavity, one side end part of the outer circle of the outer shell is connected with a water inlet pipe orifice, and the other side end part is connected with a water outlet pipe orifice.
Through adopting above-mentioned technical scheme, the inlet tube mouth pours into the cooling water into the flow cavity in, and circulating water conservancy diversion subassembly carries out circulation flow to rivers, improves availability factor, fully cools down the heat in the motor to with absorbing thermal cooling water along outlet tube mouth discharge, make the motor fully cool down.
The present utility model may be further configured in a preferred example to: the circulating type flow guide assembly comprises flow guide plates I arranged on the outer circle of the outer inner shell at intervals, flow guide plates II are arranged between the flow guide plates I, the flow guide plates I are close to the end cover and arranged close to the sealing structure, one sides of the flow guide plates I and the flow guide plates II are respectively connected with the inner wall of the outer shell, and the end parts between the flow guide plates I and the flow guide plates II are distributed in an S shape.
Through adopting above-mentioned technical scheme, water conservancy diversion piece one forms S-shaped flow channel with water conservancy diversion piece two, carries out the circulation water conservancy diversion with the cooling water along permanent magnet synchronous motor' S radial direction, fully absorbs the heat that the motor produced to reduce the heat that the permanent magnet synchronous motor produced when operation.
The present utility model may be further configured in a preferred example to: the circulating flow guide assembly is a spiral flow guide plate connected to the outer circle of the inner shell, and the outer side of the spiral flow guide plate is connected with the inner wall of the outer shell to form a spiral flow channel.
By adopting the technical scheme, the spiral guide vane circularly guides the cooling water along the axial direction of the permanent magnet synchronous motor, so that the cooling water fully absorbs the heat generated by the motor, and the service life of the permanent magnet synchronous motor is prolonged.
The present utility model may be further configured in a preferred example to: the waterproof ring is installed to the inboard of L shape waterproof baffle ring, waterproof groove has been seted up to one side that the end cover was kept away from to the shell, installs waterproof ring two in the waterproof groove, sealed lid subassembly includes the lid and connects the collar on the lid, the outside of collar is equipped with the go-between, the collar is installed to waterproof inslot, go-between threaded connection is to the inboard of the waterproof baffle ring of L shape.
Through adopting above-mentioned technical scheme, the collar is installed to waterproof inslot, and go-between threaded connection is to the inboard of the waterproof baffle ring of L shape to extrude waterproof circle two and waterproof circle one respectively, thereby prevent that the tip of motor from leaking, the maintenance of follow-up cooling water course of still being convenient for simultaneously prevents that the cooling water course from blockking up.
The present utility model may be further configured in a preferred example to: one side of the cover body, which is far away from the shell, is connected with a boss.
Through adopting above-mentioned technical scheme, the boss is convenient for cooperate with the spanner to dismantle sealed lid subassembly and maintain.
The present utility model may be further configured in a preferred example to: and brackets are symmetrically arranged on the outer side of the shell assembly.
By adopting the technical scheme, the bracket is convenient for supporting and fixing the permanent magnet synchronous motor, and the application environment of the permanent magnet synchronous motor is further improved.
In summary, the utility model comprises at least one of the following beneficial technical effects: the cooling water circularly flows in the flowing cavity under the action of the circulating flow guide assembly, heat generated by the permanent magnet synchronous motor is fully absorbed, meanwhile, the sealing structure not only prevents the cooling water from overflowing, but also facilitates the subsequent disassembly to maintain the cooling water channel, and accordingly the service life of the motor is prolonged.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a schematic structural diagram of an embodiment 1 of a circulating type flow guiding assembly according to the present utility model;
FIG. 4 is a schematic structural diagram of an embodiment 2 of a circulating type flow guiding assembly according to the present utility model;
FIG. 5 is a schematic structural view of the seal structure of the present utility model;
FIG. 6 is a schematic view of a seal cap assembly according to the present utility model.
In the figure: 10. a housing assembly; 2. an end cap; 30. a sealing structure; 40. a circulation flow guiding assembly; 5. a water inlet pipe orifice; 6. a water outlet pipe orifice; 7. a bracket; 8. a stator winding; 9. a rotor winding;
11. an inner case; 12. a housing; 13. a protruding portion;
31. an L-shaped waterproof baffle ring; 32. a seal cap assembly; 33. a waterproof ring I; 34. a water-repellent tank; 35. a waterproof ring II;
41. a first guide vane; 42. a second guide vane; 43. spiral guide vanes;
321. a cover body; 322. a mounting ring; 323. a connecting ring; 324. a boss.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
The drawings are simplified schematic views, and only the basic structure of the present utility model is schematically described, so that only the constitution related to the present utility model is shown.
Referring to fig. 1-6, a circulating water cooling permanent magnet synchronous motor disclosed by the utility model comprises: the stator winding 8 is arranged in the stator winding 10, the rotor winding 9 is assembled in the stator winding 8, the support 7 is symmetrically arranged on the outer side of the stator assembly 10, the stator assembly 10 comprises an inner shell 11 and an outer shell 12, a bulge 13 is connected to one side, close to the end cover 2, of the inner shell 11, the inner shell 11 is connected with an outer shell 12 through the bulge 13, one side, far away from the end cover 2, of the inner shell 11 is connected with a sealing structure 30, a flow cavity is formed between the outer shell 12 and the inner shell 11, a circulating flow guiding assembly 40 is arranged in the flow cavity, one side end part of the outer circle of the outer shell 12 is connected with a water inlet pipe orifice 5, the other side end part is connected with a water outlet pipe orifice 6, the sealing structure 30 comprises a waterproof baffle ring 31 and a sealing cover assembly 32, the inner side of the waterproof baffle ring 31 is provided with a waterproof ring I33, the waterproof ring 34 is arranged on the side, far away from the end cover 2, of the waterproof ring 34 is internally provided with a waterproof ring II 35, the sealing cover assembly 32 comprises a cover 321 and a mounting ring 322 connected to the cover 321, the outer side of the waterproof ring 322 is provided with a connecting ring 323, the waterproof baffle ring 322 is arranged on the outer side of the sealing structure 32, and the waterproof baffle ring is connected to the inner side of the waterproof baffle ring 31, which is far away from the inner side of the cover 321, and the inner side of the cover 12 is connected with a threaded boss 324; the bulge 13 is respectively integrated with the inner shell 11 and the outer shell 12 to increase the overall structural strength of the shell assembly 10, preferably, the end part of the water inlet pipe orifice 5 is provided with a filter tip to filter injected cooling water, thereby reducing the corrosion probability of a cooling channel, in the operation process of the permanent magnet synchronous motor, the external water pump conveys the cooling water to the water inlet pipe orifice 5 to enable the cooling water to enter the flowing cavity, and under the action of the circulating flow guide assembly 40, the cooling water circularly flows in the flowing cavity to fully absorb the heat generated by the motor and improve the utilization efficiency of the cooling water, meanwhile, the mounting ring 322 and the connecting ring 323 are respectively mounted in the waterproof groove 34 and the L-shaped waterproof baffle ring 31 and respectively extrude the second 35 and the first 33 of the waterproof ring, thereby preventing cooling overflow, and further, the boss 324 is preferably a hexagonal boss, so that a worker can use a wrench to disassemble the sealing cover assembly 32, further facilitating the maintenance of a subsequent cooling water channel, and prolonging the service life of the permanent magnet synchronous motor.
Examples
The circulating type flow guiding assembly 40 comprises flow guiding sheets I41 arranged on the outer circle of the outer inner shell 11 at intervals, flow guiding sheets II 42 are arranged between the flow guiding sheets I41, the flow guiding sheets I41 are arranged close to the end cover 2, the flow guiding sheets II 42 are arranged close to the sealing structure 30, one sides of the flow guiding sheets I41 and the flow guiding sheets II 42 are respectively connected with the inner wall of the outer shell 12, and the end parts between the flow guiding sheets I41 and the flow guiding sheets II 42 are distributed in an S shape; the first guide vane 41 and the second guide vane 42 are uniformly arranged on the surface of the inner shell 11 respectively, one ends of the first guide vane 41 and the second guide vane 42 are respectively connected with the outer wall of the inner shell 11, and the other ends are connected with the inner wall of the outer shell 12, so that cooling water is injected into the circulation channel through the water inlet pipe orifice 5, the cooling water flows in an S shape under the action of the first guide vane 41 and the second guide vane 42, the cooling water circularly flows along the radial direction of the permanent magnet synchronous motor, heat generated by the motor is absorbed, the first guide vane 41 and the second guide vane 42 can be made of copper or aluminum, the heat in the motor is further conducted, and the cooling water is used for radiating, so that the heat dissipation performance of the motor is improved.
Examples
The circulating flow guide assembly 40 is a spiral flow guide plate 43 connected on the outer circle of the inner shell 11, and the outer side of the spiral flow guide plate 43 is connected with the inner wall of the outer shell 12 to form a spiral water flowing channel; the spiral guide vane 43 is preferably made of copper or aluminum, and the water inlet pipe orifice 5 injects cooling water into the spiral flow channel, so that the cooling water is circularly guided along the axial direction of the permanent magnet synchronous motor, heat generated by the motor is fully absorbed, and the heat dissipation effect of the motor is improved.
The implementation principle of the embodiment is as follows: when the cooling water circulating device is used, the external water pump conveys cooling water to the water inlet pipe orifice 5, the cooling water enters the flowing cavity and is output along the water outlet pipe orifice 6, when the cooling water flows in the flowing cavity, the circulating flow guide assembly 40 enables the cooling water to circulate and guide along the axial direction or the radial direction of the permanent magnet synchronous motor, heat generated by the motor is fully absorbed, the utilization efficiency of the cooling water is improved, after a period of use, a worker rotates the boss 324 by using a wrench, and therefore the sealing cover assembly 32 is detached, so that an internal cooling water channel is maintained, and the service life of the permanent magnet synchronous motor is prolonged.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.

Claims (6)

1. A circulating water cooled permanent magnet synchronous motor comprising: a housing assembly (10), an end cover (2) and a stator winding (8) arranged inside the housing assembly (10), wherein a rotor winding (9) is assembled in the stator winding (8), characterized in that the housing assembly (10) comprises an inner shell (11) and an outer shell (12), a protruding part (13) is connected to one side of the inner shell (11) close to the end cover (2), the inner shell (11) is connected with the outer shell (12) through the protruding part (13), and a sealing structure (30) is connected to one side of the inner shell (11) far away from the end cover (2);
a flow cavity is formed between the outer shell (12) and the inner shell (11), a circulating flow guide assembly (40) is arranged in the flow cavity, one side end part of the outer circle of the outer shell (12) is connected with a water inlet pipe orifice (5), and the other side end part is connected with a water outlet pipe orifice (6).
2. The circulating water-cooling permanent magnet synchronous motor according to claim 1, wherein the circulating flow guide assembly (40) comprises first flow guide plates (41) arranged on the outer circle of the outer inner shell (11) at intervals, second flow guide plates (42) are arranged between the first flow guide plates (41), the first flow guide plates (41) are arranged close to the end cover (2), the second flow guide plates (42) are arranged close to the sealing structure (30), one sides of the first flow guide plates (41) and the second flow guide plates (42) are respectively connected with the inner wall of the outer shell (12), and the end parts between the first flow guide plates (41) and the second flow guide plates (42) are distributed in an S shape.
3. A circulating water cooling permanent magnet synchronous motor according to claim 1, characterized in that the circulating flow guiding assembly (40) is a spiral flow guiding sheet (43) connected on the outer circle of the inner shell (11), and the outer side of the spiral flow guiding sheet (43) is connected with the inner wall of the outer shell (12) and forms a spiral water flowing channel.
4. The circulating water cooling permanent magnet synchronous motor according to claim 1, wherein the sealing structure (30) comprises a waterproof baffle ring (31) and a sealing cover assembly (32), the cross section of the end part of the shell (12) is L-shaped, a waterproof ring I (33) is arranged on the inner side of the L-shaped waterproof baffle ring (31), a waterproof groove (34) is formed in one side, far away from the end cover (2), of the shell (12), a waterproof ring II (35) is arranged in the waterproof groove (34), the sealing cover assembly (32) comprises a cover body (321) and a mounting ring (322) connected to the cover body (321), a connecting ring (323) is arranged on the outer side of the mounting ring (322), the mounting ring (322) is arranged in the waterproof groove (34), and the connecting ring (323) is connected to the inner side of the L-shaped waterproof baffle ring (31) in a threaded mode.
5. The circulating water cooling permanent magnet synchronous motor according to claim 4, wherein a boss (324) is connected to a side of the cover body (321) away from the housing (12).
6. A circulating water cooling permanent magnet synchronous motor according to claim 1, characterized in that the housing assembly (10) is symmetrically provided with brackets (7) on the outside.
CN202322033184.9U 2023-07-31 2023-07-31 Circulating water cooling permanent magnet synchronous motor Active CN220368553U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322033184.9U CN220368553U (en) 2023-07-31 2023-07-31 Circulating water cooling permanent magnet synchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322033184.9U CN220368553U (en) 2023-07-31 2023-07-31 Circulating water cooling permanent magnet synchronous motor

Publications (1)

Publication Number Publication Date
CN220368553U true CN220368553U (en) 2024-01-19

Family

ID=89515340

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322033184.9U Active CN220368553U (en) 2023-07-31 2023-07-31 Circulating water cooling permanent magnet synchronous motor

Country Status (1)

Country Link
CN (1) CN220368553U (en)

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