CN109347258B - Electric machine - Google Patents
Electric machine Download PDFInfo
- Publication number
- CN109347258B CN109347258B CN201811280023.7A CN201811280023A CN109347258B CN 109347258 B CN109347258 B CN 109347258B CN 201811280023 A CN201811280023 A CN 201811280023A CN 109347258 B CN109347258 B CN 109347258B
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- Prior art keywords
- cavity
- rotating shaft
- rodless
- auger
- fan
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- 239000007788 liquid Substances 0.000 claims abstract description 51
- 239000000110 cooling liquid Substances 0.000 claims description 52
- 238000007789 sealing Methods 0.000 claims description 36
- 230000000694 effects Effects 0.000 claims description 27
- 230000017525 heat dissipation Effects 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 description 8
- 241000883990 Flabellum Species 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Abstract
The invention belongs to the technical field of motor equipment, and particularly relates to a motor which comprises a shell, wherein an end cover is arranged on the right side of the shell, a mounting seat is arranged at the lower end of the shell, a stator magnet is arranged on the inner wall of the shell, a first rotating shaft is arranged in the shell, a rotor coil is arranged on the first rotating shaft, a first cavity is arranged on the left side of the first rotating shaft, and a first rodless auger is arranged in the first cavity; a second rotating shaft is arranged in the first cavity, penetrates through the first rodless auger, a second cavity is arranged on the right side of the second rotating shaft, internal threads are arranged on the right side of the second rotating shaft, and the second rodless auger is arranged in the second cavity; the end part of the first rotating shaft is provided with a threaded hole communicated with the first cavity, a bolt is arranged in the threaded hole, and the left end of the bolt is arranged in the internal thread of the second rotating shaft; a fan is arranged on the second rotating shaft, and the fan seals the first cavity of the first rotating shaft; the fan blades of the fan are provided with liquid guide pipes, one end of each liquid guide pipe is communicated with the first cavity, and the other end of each liquid guide pipe is communicated with the second cavity.
Description
Technical Field
The invention belongs to the technical field of motor equipment, and particularly relates to a motor.
Background
The motor is an electromagnetic device which realizes electric energy conversion or transmission according to the law of electromagnetic induction, has the main function of generating driving torque, and is generally used as a power source of electric appliances or various machines. In order to ensure the normal work of the motor and prolong the service life of the motor, a gap is rarely left on the motor shell, so that external dust is prevented from entering the motor. Therefore, heat in the motor is not easy to dissipate, and particularly after the motor is used for a long time, the motor is easy to heat, and certain potential safety hazards exist.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a motor. The invention is mainly used for solving the problem that the heat is not easy to dissipate when the motor works for a long time.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a motor which comprises a shell, wherein an end cover is arranged on the right side of the shell, a mounting seat is arranged at the lower end of the shell, a stator magnet is arranged on the inner wall of the shell, a first rotating shaft is arranged in the shell, the left end of the first rotating shaft is rotatably mounted with the shell, the right end of the first rotating shaft is rotatably mounted on the end cover, a rotor coil is arranged on the first rotating shaft, a first cavity is arranged on the left side of the first rotating shaft, cooling liquid is filled in the first cavity, a first rodless auger is mounted in the first cavity, and the first rodless auger is used for driving the cooling liquid to; a second rotating shaft is arranged in the first cavity, the second rotating shaft penetrates through the first rodless auger, a second cavity is arranged on the right side of the second rotating shaft, internal threads are arranged on the right side of the second rotating shaft, the second rodless auger is arranged in the second cavity, the rotating direction of the second rodless auger is opposite to that of the first rodless auger, the second rodless auger is used for driving cooling liquid to move, and the liquid guide area of the second cavity is equal to that of the first cavity;
the end part of the first rotating shaft is provided with a threaded hole communicated with the first cavity, a bolt is arranged in the threaded hole, the left end of the bolt is arranged in the internal thread of the second rotating shaft, the left end of the bolt is provided with a cavity, two sides of the bolt are provided with channels communicated with the cavity, the bolt is used for connecting the first rotating shaft and the second rotating shaft together, and the bolt is simultaneously used for abutting against the second rodless auger; a fan is arranged on the second rotating shaft, the fan seals the first cavity of the first rotating shaft, the fan is used for radiating heat of the motor, and the fan is simultaneously used for pressing the first rodless auger; the fan is characterized in that a liquid guide pipe is mounted on a fan blade of the fan, one end of the liquid guide pipe is communicated with the first cavity, the other end of the liquid guide pipe is communicated with the second cavity, and the liquid guide pipe is used for communicating the first cavity with the second cavity.
When the cooling machine works, the first rotating shaft rotates to enable the first rodless auger to rotate, so that cooling liquid in the first cavity flows leftwards in the first cavity under the driving of the first rodless auger, the cooling liquid flows into the second cavity through the liquid guide pipe and flows rightwards under the driving of the second rodless auger, the rotating directions of the first rodless auger and the second rodless auger are opposite, the flowing directions of the cooling liquid in the first cavity and the second cavity are ensured to be opposite, the cooling liquid finally enters the cavity of the bolt and flows into the first cavity again through the through hole in the bolt, the circulation of the cooling liquid is realized, the cooling liquid can better dissipate heat of the motor, the heat dissipation efficiency of the motor is improved, meanwhile, the fan rotates to dissipate heat of the motor well, the heat dissipation speed of the cooling liquid in the liquid guide pipe is improved due to the rotation of the fan, and the heat in the cooling liquid can be discharged quickly, the cooling effect of the cooling liquid is improved, and the heat dissipation effect of the motor is further improved.
The fan blade of the fan is provided with a dovetail groove, the cross section of the liquid guide pipe is of a triangular structure, the liquid guide pipe is arranged in the dovetail groove, and the cross section of the liquid guide pipe is triangular and used for reducing wind resistance. The installation and the dismantlement are more convenient between the dovetail that sets up on the catheter that the cross-section is triangle-shaped structure and the fan flabellum, the change of the catheter of being convenient for, and the cross-section of catheter is triangle-shaped structure simultaneously for the fan is when rotating, and the resistance that receives is littleer, thereby makes the rotation of fan more nimble, has improved the wind speed, has improved the radiating effect of motor.
The liquid guide pipe is uniformly provided with arc-shaped grooves which are used for improving the heat dissipation effect of the liquid guide pipe. The setting of arc wall has increased catheter and external area of contact to the effectual radiating effect who improves the catheter, and then improved the radiating effect of motor, the setting of arc wall simultaneously makes the bending easily more of catheter, makes the catheter and the better of fan flabellum laminating, thereby the effectual windage that reduces fan flabellum and receive, improves the rotational speed of fan, has improved the radiating efficiency of motor.
The inner wall of the threaded hole is provided with a first annular groove, the bolt is provided with a corresponding second annular groove, and sealing rings are arranged in the first annular groove and the second annular groove and used for sealing the first cavity. The sealing washer is installed in annular groove and No. two annular grooves, sealed the cavity, the sealing washer warp simultaneously and provides the pretightning force, play locking effect to the bolt, it is not hard up to have avoided the bolt, No. two annular grooves's on the bolt setting makes the bolt fracture, the probability that the fracture position is arranged in No. two annular grooves is big, when the bolt fracture in No. two annular grooves department, only need with cracked bolt from both ends back out can, make things convenient for taking out of fracture bolt and the change of new bolt.
A third annular groove is formed in the inner wall of the first annular groove; the cross section of the sealing ring is oval, one end of the sealing ring is located in the third annular groove, and the sealing ring with the oval cross section is convenient to mount. The cross-section can make its diameter grow through the instrument when installation for oval-shaped sealing washer for the bolt can be smooth pass the sealing washer, make the installation of bolt and sealing washer more convenient, the cross-section simultaneously can block in annular groove three for oval-shaped sealing washer, make the sealing washer can not become flexible easily, and make the sealing washer compress more easily, thereby make the sealing washer better to the sealed effect of cavity one, avoided the coolant liquid to reveal.
The taper on the inner wall of the first cavity is used for enabling the first rodless auger to be tightly connected with the first rotating shaft; the taper is arranged on the inner wall of the second cavity from right to left, and the taper on the inner wall of the second cavity is used for enabling the second rodless auger to be tightly connected with the second rotating shaft. When the first rodless auger is arranged in the first cavity and the second rodless auger is arranged in the second cavity, the conicity in the first cavity and the second cavity enables the right end of the first rodless auger and the left end of the second rodless auger to gradually bear larger and larger extrusion force, after the first rodless auger is completely installed in the first cavity, the fan compresses the first rodless packing auger, the second rodless packing auger is compressed by the bolt in the second cavity, thereby the first rodless auger and the second rodless auger are fixed in the first cavity and the second cavity and can not easily slide, thereby leading the first rodless auger and the second rodless auger to smoothly drive the cooling liquid to circulate to cool the motor, ensuring the heat dissipation effect of the motor, and an assembly type installation method is adopted, so that the first rodless packing auger and the second rodless packing auger are more convenient to disassemble and assemble, and the subsequent maintenance of the motor is facilitated.
The invention has the following beneficial effects:
1. according to the motor, the cooling liquid circulates in the liquid guide pipe, the first rotating shaft and the second rotating shaft, so that the cooling liquid absorbs heat in the first rotating shaft and the second rotating shaft, and the heat dissipation effect of the motor is effectively improved.
2. According to the motor, the fan is arranged to radiate the shell of the motor, and meanwhile, the fan rotates to enable heat absorbed by cooling liquid in the liquid guide pipe to be dissipated rapidly, so that the heat absorption effect of the cooling liquid on the motor is improved, and the heat radiation effect of the motor is improved.
3. According to the motor, the arc-shaped groove is formed in the liquid guide pipe, so that the liquid guide pipe is better attached to the fan blade of the fan, the wind resistance borne by the fan blade is reduced, the fan can rotate more flexibly, the heat on the motor can be dissipated more quickly, the heat in the cooling liquid in the liquid guide pipe can be discharged quickly, the heat absorption effect of the cooling liquid on the motor is improved, and the heat dissipation effect of the motor is improved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of the structure of the liquid guiding tube and the fan of the present invention;
FIG. 4 is a schematic view of the structure of the liquid guiding tube installed through the dovetail groove on the fan blade of the fan;
in the figure: the motor comprises a shell 1, an end cover 2, a stator magnet 3, a first rotating shaft 4, a rotor coil 5, a second rotating shaft 6, a bolt 7, a fan 8, a liquid guide pipe 9, a sealing ring 11, a third annular groove 12, a first rodless auger 41, a second rodless auger 61, a dovetail groove 81 and an arc-shaped groove 91.
Detailed Description
The structure of the high heat dissipation motor according to the embodiment of the present invention will be described below with reference to fig. 1 to 4.
As shown in fig. 1, the motor of the present invention comprises a housing 1, an end cover 2 is installed on the right side of the housing 1, a mounting seat is installed at the lower end of the housing 1, a stator magnet 3 is installed on the inner wall of the housing 1, a first rotating shaft 4 is installed in the housing 1, the left end of the first rotating shaft 4 is rotatably installed with the housing 1, the right end of the first rotating shaft 4 is rotatably installed on the end cover 2, a rotor coil 5 is installed on the first rotating shaft 4, a first cavity is installed on the left side of the first rotating shaft 4, a cooling liquid is filled in the first cavity, a first rodless packing auger 41 is installed in the first cavity, and the first rodless packing auger 41 is used for driving; a second rotating shaft 6 is arranged in the first cavity, the second rotating shaft 6 penetrates through the first rodless auger 41, a second cavity is arranged on the right side of the second rotating shaft 6, internal threads are arranged on the right side of the second rotating shaft 6, a second rodless auger 61 is arranged in the second cavity, the rotating directions of the second rodless auger 61 and the first rodless auger 41 are opposite, the second rodless auger 61 is used for driving cooling liquid to move, and the liquid guide area of the second cavity is equal to that of the first cavity;
the end part of the first rotating shaft 4 is provided with a threaded hole communicated with the first cavity, a bolt 7 is installed in the threaded hole, the left end of the bolt 7 is installed in the internal thread of the second rotating shaft 6, the left end of the bolt 7 is provided with a cavity, two sides of the bolt 7 are provided with channels communicated with the cavity, the bolt 7 is used for connecting the first rotating shaft 4 with the second rotating shaft 6, and the bolt 7 is simultaneously used for abutting against the second rodless auger 61; a fan 8 is arranged on the second rotating shaft 6, the fan 8 seals the first cavity of the first rotating shaft 4, the fan 8 is used for radiating heat of the motor, and the fan 8 is simultaneously used for pressing the first rodless auger 41; the fan blade of the fan 8 is provided with a liquid guide pipe 9, one end of the liquid guide pipe 9 is communicated with the first cavity, the other end of the liquid guide pipe 9 is communicated with the second cavity, and the liquid guide pipe 9 is used for communicating the first cavity with the second cavity.
When the cooling device works, the first rotating shaft 4 rotates to enable the first rodless auger 41 to rotate, so that the cooling liquid in the first cavity flows leftwards in the first cavity under the driving of the first rodless auger 41, the cooling liquid flows into the second cavity through the liquid guide pipe 9 and flows rightwards under the driving of the second rodless auger 61, the rotating directions of the first rodless auger 41 and the second rodless auger 61 are opposite, so that the flowing directions of the cooling liquid in the first cavity and the second cavity are opposite, the cooling liquid finally enters the cavity of the bolt 7 and flows into the first cavity again through the through hole in the bolt 7, the circulation of the cooling liquid is realized, the cooling liquid can better dissipate heat of the motor, the heat dissipation efficiency of the motor is improved, meanwhile, the fan 8 rotates to dissipate heat of the motor well, the heat dissipation speed of the cooling liquid in the liquid guide pipe 9 is improved by the rotation of the fan 8, and the heat in the cooling liquid can be discharged quickly, the cooling effect of the cooling liquid is improved, and the heat dissipation effect of the motor is further improved.
As shown in fig. 4, a dovetail groove 81 is provided on the blade of the fan 8, the cross section of the liquid guide tube 9 is a triangular structure, the liquid guide tube 9 is installed in the dovetail groove 81, and the cross section of the liquid guide tube 9 is triangular for reducing wind resistance. The installation and the dismantlement are more convenient between the dovetail 81 that sets up on the catheter 9 that the cross-section is the triangle-shaped structure and the fan 8 flabellum, the change of the catheter 9 of being convenient for, and the cross-section of catheter 9 is the triangle-shaped structure simultaneously for fan 8 is when rotating, and the resistance that receives is littleer, thereby makes fan 8's rotation more nimble, has improved the wind speed, has improved the radiating effect of motor.
As shown in fig. 3 and 4, the liquid guide tube 9 is uniformly provided with arc-shaped grooves 91, and the arc-shaped grooves 91 are used for improving the heat dissipation effect of the liquid guide tube 9. The setting of arc wall 91 has increased catheter 9 and external area of contact to the effectual radiating effect who improves catheter 9, and then the radiating effect of motor has been improved, the setting of arc wall 91 simultaneously, make catheter 9 buckle more easily, make catheter 9 and the laminating of 8 flabellums of fan better, thereby the effectual windage that 8 flabellums of fan received that has reduced, improve fan 8's rotational speed, the radiating efficiency of motor has been improved.
As shown in fig. 1 and 2, a first annular groove is formed in the inner wall of the threaded hole, a second corresponding annular groove is formed in the bolt 7, and a sealing ring 11 is arranged in the first annular groove and the second annular groove, and the sealing ring 11 is used for sealing the first cavity. Sealing washer 11 is installed in annular groove and No. two annular grooves, sealed the cavity No. one, sealing washer 11 warp simultaneously and provides the pretightning force, play locking effect to bolt 7, it is not hard up to have avoided bolt 7, No. two annular grooves's setting makes when bolt 7 splits on bolt 7, the probability that the fracture position is located No. two annular grooves is big, fracture at No. two annular grooves department when bolt 7, only need with cracked bolt 7 from both ends back out can, make things convenient for taking out of cracked bolt 7 and new bolt 7's change.
As shown in fig. 2, a third annular groove 12 is arranged on the inner wall of the first annular groove; the cross section of the sealing ring 11 is oval, one end of the sealing ring 11 is located in the third annular groove 12, and the sealing ring 11 with the oval cross section is convenient to mount. The cross-section can make its diameter grow for oval-shaped sealing washer 11 through the instrument when the installation for bolt 7 can be smooth to pass sealing washer 11, make bolt 7 more convenient with sealing washer 11's installation, the cross-section is oval-shaped sealing washer 11 can block in annular groove No. three 12 simultaneously, make sealing washer 11 not easily become flexible, and make sealing washer 11 compress more easily, thereby make sealing washer 11 better to the sealed effect of a cavity, avoided the coolant liquid to reveal.
As shown in fig. 1, the inner wall of the first cavity is provided with a taper from left to right, and the taper on the inner wall of the first cavity is used for tightly connecting the first rodless auger 41 with the first rotating shaft 4; the taper is arranged on the inner wall of the second cavity from right to left, and the taper on the inner wall of the second cavity is used for enabling the second rodless auger 61 to be tightly connected with the second rotating shaft 6. When the first rodless auger 41 is arranged in the first cavity and the second rodless auger 61 is arranged in the second cavity, the taper in the first cavity and the second cavity enables the right end of the first rodless auger 41 and the left end of the second rodless auger 61 to gradually bear larger extrusion force, after the first rodless auger 41 is completely arranged in the first cavity, the fan 8 presses the first rodless auger 41 tightly, the second rodless auger 61 is pressed tightly by the bolt 7 in the second cavity, so that the first rodless auger 41 and the second rodless auger 61 are fixed in the first cavity and the second cavity and cannot easily slide, the first rodless auger 41 and the second rodless auger 61 can drive cooling liquid to circulate to cool the motor smoothly, the heat dissipation effect of the motor is ensured, and the assembly type installation method is adopted, so that the first rodless auger 41 and the second rodless auger 61 are more convenient to disassemble and assemble, the subsequent maintenance of the motor is convenient.
The specific working process is as follows:
when the cooling device works, the first rotating shaft 4 rotates to enable the first rodless auger 41 to rotate, so that the cooling liquid in the first cavity flows leftwards in the first cavity under the driving of the first rodless auger 41, the cooling liquid flows into the second cavity through the liquid guide pipe 9 and flows rightwards under the driving of the second rodless auger 61, the rotating directions of the first rodless auger 41 and the second rodless auger 61 are opposite, so that the flowing directions of the cooling liquid in the first cavity and the second cavity are opposite, the cooling liquid finally enters the cavity of the bolt 7 and flows into the first cavity again through the through hole in the bolt 7, the circulation of the cooling liquid is realized, the cooling liquid can better dissipate heat of the motor, the heat dissipation efficiency of the motor is improved, meanwhile, the fan 8 rotates to dissipate heat of the motor well, the heat dissipation speed of the cooling liquid in the liquid guide pipe 9 is improved by the rotation of the fan 8, and the heat in the cooling liquid can be discharged quickly, the cooling effect of the cooling liquid is improved, and the heat dissipation effect of the motor is further improved.
While one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.
Industrial applicability
According to the present invention, the motor has good heat dissipation performance, so that the motor with high heat dissipation performance is useful in the technical field of motor equipment.
Claims (1)
1. An electric machine characterized by: the cooling device comprises a shell (1), wherein an end cover (2) is installed on the right side of the shell (1), a mounting seat is arranged at the lower end of the shell (1), a stator magnet (3) is arranged on the inner wall of the shell (1), a first rotating shaft (4) is arranged in the shell (1), the left end of the first rotating shaft (4) is rotatably installed with the shell (1), the right end of the first rotating shaft (4) is rotatably installed on the end cover (2), a rotor coil (5) is arranged on the first rotating shaft (4), a first cavity is formed in the left side of the first rotating shaft (4), cooling liquid is filled in the first cavity, a first rodless auger (41) is installed in the first cavity, and the first rodless auger (41) is used for driving the cooling liquid; a second rotating shaft (6) is arranged in the first cavity, the second rotating shaft (6) penetrates through the first rodless auger (41), the second cavity is arranged on the right side of the second rotating shaft (6), internal threads are arranged on the right side of the second rotating shaft (6), the second rodless auger (61) is arranged in the second cavity, the rotating directions of the second rodless auger (61) and the first rodless auger (41) are opposite, the second rodless auger (61) is used for driving cooling liquid to move, and the liquid guide area of the second cavity is equal to that of the first cavity;
the end part of the first rotating shaft (4) is provided with a threaded hole communicated with the first cavity, a bolt (7) is installed in the threaded hole, the left end of the bolt (7) is installed in the internal thread of the second rotating shaft (6), the left end of the bolt (7) is provided with the cavity, two sides of the bolt (7) are provided with a channel communicated with the cavity, the bolt (7) is used for connecting the first rotating shaft (4) with the second rotating shaft (6), and the bolt (7) is simultaneously used for abutting against the second rodless packing auger (61); a fan (8) is arranged on the second rotating shaft (6), the fan (8) seals a first cavity of the first rotating shaft (4), the fan (8) is used for radiating heat of the motor, and the fan (8) is simultaneously used for pressing the first rodless packing auger (41); a liquid guide pipe (9) is mounted on a fan blade of the fan (8), one end of the liquid guide pipe (9) is communicated with the first cavity, the other end of the liquid guide pipe (9) is communicated with the second cavity, and the liquid guide pipe (9) is used for communicating the first cavity with the second cavity;
dovetail grooves (81) are formed in fan blades of the fan (8), the cross section of the liquid guide pipe (9) is of a triangular structure, the liquid guide pipe (9) is installed in the dovetail grooves (81), and the cross section of the liquid guide pipe (9) is triangular and used for reducing wind resistance;
the liquid guide pipe (9) is uniformly provided with arc-shaped grooves (91), and the arc-shaped grooves (91) are used for improving the heat dissipation effect of the liquid guide pipe (9);
a first annular groove is formed in the inner wall of the threaded hole, a corresponding second annular groove is formed in the bolt (7), sealing rings (11) are arranged in the first annular groove and the second annular groove, and the sealing rings (11) are used for sealing the first cavity;
a third annular groove (12) is formed in the inner wall of the first annular groove; the cross section of the sealing ring (11) is oval, one end of the sealing ring (11) is positioned in the third annular groove (12), and the sealing ring (11) with the oval cross section is convenient to mount;
the taper is arranged on the inner wall of the first cavity from left to right, and the taper on the inner wall of the first cavity is used for enabling the first rodless auger (41) to be tightly connected with the first rotating shaft (4); the taper is arranged on the inner wall of the second cavity from right to left, and the taper on the inner wall of the second cavity is used for enabling the second rodless auger (61) to be tightly connected with the second rotating shaft (6);
the first rotating shaft (4) rotates to enable the first rodless auger (41) to rotate, so that the cooling liquid in the first cavity flows leftwards in the first cavity under the driving of the first rodless auger (41), the cooling liquid flows into the second cavity through the liquid guide pipe (9) and flows rightwards under the driving of the second rodless auger (61), the rotating directions of the first rodless auger (41) and the second rodless auger (61) are opposite, the flowing directions of the cooling liquid in the first cavity and the second cavity are opposite, the cooling liquid finally enters the cavity of the bolt (7) and flows into the first cavity again through the through hole in the bolt (7), the circulation of the cooling liquid is realized, the cooling liquid can better dissipate heat of the motor, the heat dissipation efficiency of the motor is improved, meanwhile, the fan (8) rotates to dissipate heat of the motor well, and the rotation of the fan (8) improves the heat dissipation speed of the cooling liquid in the liquid guide pipe (9), the heat in the cooling liquid can be discharged quickly, the cooling effect of the cooling liquid is improved, and the heat dissipation effect of the motor is further improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280023.7A CN109347258B (en) | 2018-10-30 | 2018-10-30 | Electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811280023.7A CN109347258B (en) | 2018-10-30 | 2018-10-30 | Electric machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109347258A CN109347258A (en) | 2019-02-15 |
| CN109347258B true CN109347258B (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811280023.7A Active CN109347258B (en) | 2018-10-30 | 2018-10-30 | Electric machine |
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| CN (1) | CN109347258B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695586A (en) * | 2019-02-20 | 2019-04-30 | 苏州众志新环冷却设备有限公司 | Novel seal fan for offshore wind farm |
| CN109854522B (en) * | 2019-03-01 | 2021-08-10 | 山东兴恒环境科技集团有限公司 | High temperature resistant fire control smoke exhaust fan |
| CN113315313A (en) * | 2021-02-02 | 2021-08-27 | 上海彩虹鱼海洋科技股份有限公司 | A circulative cooling system that is used for outer rotor brushless motor of unmanned ship |
| CN112671173B (en) * | 2021-03-15 | 2021-06-29 | 上海彩虹鱼海洋科技股份有限公司 | Circulating cooling system and method for rotor brushless motor in unmanned boat |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0989658A1 (en) * | 1998-09-28 | 2000-03-29 | The Swatch Group Management Services AG | Liquid-cooled aynchronous electric machine |
| CN101145711A (en) * | 2006-09-15 | 2008-03-19 | 乐金电子(天津)电器有限公司 | Motor fan wheel structure |
| US9331552B2 (en) * | 2013-06-13 | 2016-05-03 | Tesla Motors, Inc. | Rotor assembly with heat pipe cooling system |
| CN206237252U (en) * | 2016-10-27 | 2017-06-09 | 蔚来汽车有限公司 | For the water-cooling structure of rotor |
| CN207082967U (en) * | 2017-07-27 | 2018-03-09 | 南京泓凯动力系统科技有限公司 | A kind of double-radiation function permagnetic synchronous motor |
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- 2018-10-30 CN CN201811280023.7A patent/CN109347258B/en active Active
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Denomination of invention: A type of motor Effective date of registration: 20240102 Granted publication date: 20200421 Pledgee: Wenling branch of the Industrial Commercial Bank of China Ltd. Pledgor: Zhejiang Chaoding electromechanical Co.,Ltd. Registration number: Y2023980075113 |
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