CN112104165A - Flowing water-cooled motor - Google Patents
Flowing water-cooled motor Download PDFInfo
- Publication number
- CN112104165A CN112104165A CN202010940131.3A CN202010940131A CN112104165A CN 112104165 A CN112104165 A CN 112104165A CN 202010940131 A CN202010940131 A CN 202010940131A CN 112104165 A CN112104165 A CN 112104165A
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- China
- Prior art keywords
- cavity
- end cover
- rectangular groove
- motor
- water
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- 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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a flowing water-cooled motor which comprises a motor shell, wherein a first rectangular groove, a motor cavity and a second rectangular groove are formed in the motor shell; a stator is fixed in the motor cavity, a rotor is sleeved in the stator and fixed in the middle of the motor shaft, two ends of the motor shaft are respectively hinged to a front end cover and a rear end cover, the front end cover and the rear end cover are fixedly connected through a plurality of long screw rods, and the long screw rods are inserted in the bolt sleeves; the front end cover is formed with a first cavity, a second cavity of the rear end cover and a cooling water cavity formed by the through grooves, and the cooling water cavity is provided with a water inlet connecting end and a water outlet connecting end. The cooling water cavity is arranged on the outer side of the stator and is cooled by flowing water, so that the cooling effect of the motor can be effectively improved.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a flowing water-cooled motor.
Background
An Electric machine (also known as "motor") refers to an electromagnetic device that converts or transmits Electric energy according to the law of electromagnetic induction. Its main function is to generate driving torque as power source of electric appliance or various machines. The heat dissipation mode of the motor is generally natural heat dissipation or heat dissipation by a heat dissipation impeller of the motor, so that the heat dissipation effect of the motor is relatively low, and particularly when the environment temperature of the motor is relatively high.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a flowing water-cooled motor, which can effectively improve the cooling effect of the motor by arranging a cooling water cavity outside a stator and cooling the stator by flowing water.
The scheme for solving the technical problems is as follows:
a flowing water-cooled motor comprises a motor shell, wherein a first rectangular groove, a motor cavity and a second rectangular groove are sequentially formed in the motor shell from front to back, a plurality of through grooves communicated with the first rectangular groove and the second rectangular groove are formed in the outer side of the motor cavity, and a bolt sleeve is formed between every two adjacent through grooves;
a stator is fixed in the motor cavity, a rotor is sleeved in the stator and fixed in the middle of the motor shaft, two ends of the motor shaft are respectively hinged to a front end cover and a rear end cover, the front end cover is inserted and sleeved in the first rectangular groove, the rear end cover is inserted and sleeved in the second rectangular groove, the front end cover and the rear end cover are fixedly connected through a plurality of long screw rods, and the long screw rods are inserted and sleeved in the bolt sleeves;
the front end cover is formed with a first cavity communicated with the through groove, the rear end cover is formed with a second cavity communicated with the through groove, the first cavity, the second cavity and the through groove form a cooling water cavity, and the cooling water cavity is provided with a water inlet connecting end and a water outlet connecting end.
The water inlet connecting end is arranged at the lower end of the rear end cover;
the water inlet connecting end comprises a boss formed at the lower end of the bottom surface of the rear end cover, and a water inlet pipe connector and a threaded counter bore which are communicated with the second cavity are formed on the boss.
The water outlet connecting end is arranged above the front end of the motor shell;
the upper side wall of the front end of the motor shell is provided with a jack and two threaded through holes; a water outlet hole which is coaxially arranged with the jack and communicated with the first cavity is formed in the front end cover;
the water outlet connecting end comprises a connecting plate, a boss protruding downwards is formed in the middle of the connecting plate, the boss penetrates through the lower extending end of the jack and is inserted and sleeved in the water outlet hole, and a water outlet pipe connecting port communicated with the water outlet hole is formed in the boss; two bolt through holes which are coaxially arranged with the threaded through holes are formed in the connecting plate, and the connecting plate is fixedly connected with one of the threaded through holes through a screw.
And the outer wall of the lower end of the boss is sleeved with a sealing ring, and the sealing ring is pressed against the inner wall of the water outlet hole.
And two end surfaces of the bolt sleeve are respectively the bottom surface of the first rectangular groove and the bottom surface of the second rectangular groove.
Two first sealing rings are clamped between the bottom surface of the first rectangular groove and the front end cover and are respectively positioned on the outer side and the inner side of the through groove;
two second sealing rings are clamped between the bottom surface of the third rectangular groove and the rear end cover, and the two second sealing rings are respectively positioned on the outer side and the inner side of the through groove.
The invention has the following outstanding effects: compared with the prior art, it is through setting up the cooling water chamber and cooling through flowing water in the stator outside, can effectively improve the cooling effect of motor.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 1 taken about A-A;
FIG. 4 is an enlarged view of a portion of FIG. 1 with respect to B;
fig. 5 is a partially enlarged view of fig. 1 about C.
Detailed Description
In an embodiment, as shown in fig. 1 to 5, a flowing water-cooled motor includes a motor housing 1, the motor housing 1 is formed with a first rectangular groove 11, a motor cavity 12 and a second rectangular groove 13 in sequence from front to back, the outer side of the motor cavity 12 is formed with a plurality of through grooves 14 communicating the first rectangular groove 11 and the second rectangular groove 13, and a bolt sleeve 15 is formed between two adjacent through grooves 14;
a stator 21 is fixed in the motor cavity 12, a rotor 22 is sleeved in the stator 21, the rotor 22 is fixed in the middle of a motor shaft 23, two ends of the motor shaft 23 are respectively hinged to a front end cover 24 and a rear end cover 25, the front end cover 24 is inserted in the first rectangular groove 11, the rear end cover 25 is inserted in the second rectangular groove 13, the front end cover 24 and the rear end cover 25 are fixedly connected through a plurality of long screw rods 28, and the long screw rods 26 are inserted in the bolt sleeves 15;
the front end cover 24 is formed with a first cavity 241 communicated with the through groove 14, the rear end cover 24 is formed with a second cavity 251 communicated with the through groove 14, the first cavity 241, the second cavity 251 and the through groove 14 form a cooling water cavity 100, and the cooling water cavity 100 is provided with a water inlet connecting end 3 and a water outlet connecting end 4.
Furthermore, the water inlet connecting end 3 is arranged at the lower end of the rear end cover 25;
the water inlet connection end 3 comprises a boss 31 formed at the lower end of the bottom surface of the rear end cover 25, and a water inlet pipe interface 32 and a threaded counter bore 33 communicated with the second cavity 251 are formed on the boss 31.
Furthermore, the water outlet connecting end 4 is arranged above the front end of the motor shell 1;
a jack 16 and two threaded through holes 17 are formed in the upper side wall of the front end of the motor shell 1; a water outlet hole 252 which is coaxially arranged with the jack 16 and communicated with the first cavity 251 is formed in the front end cover 24;
the water outlet connecting end 4 comprises a connecting plate 41, a boss 42 protruding downwards is formed in the middle of the connecting plate 41, the boss 42 penetrates through the lower protruding end of the jack 16 and is inserted into the water outlet hole 252, and a water outlet pipe connecting port 43 communicated with the water outlet hole 252 is formed on the boss 42; two bolt through holes 44 which are coaxially arranged with the threaded through holes 17 respectively are formed in the connecting plate 41, and the connecting plate 41 is fixedly connected with one of the threaded through holes 17 through a screw 45.
Furthermore, a sealing ring 46 is sleeved on the outer wall of the lower end of the boss 42, and the sealing ring 46 presses against the inner wall of the water outlet hole 252.
Further, both end surfaces of the bolt sleeve 15 are respectively the bottom surface of the first rectangular groove 11 and the bottom surface of the second rectangular groove 13.
Furthermore, two first sealing rings 26 are clamped between the bottom surface of the first rectangular groove 11 and the front end cover 24, and the two first sealing rings 26 are respectively positioned on the outer side and the inner side of the through groove 14;
two second sealing rings 27 are clamped between the bottom surface of the third rectangular groove 11 and the rear end cover 25, and the two second sealing rings 27 are respectively positioned on the outer side and the inner side of the through groove 14.
The working principle is as follows: an external cooling water inlet pipe is connected with the water inlet pipe connector 32, and an external cooling water outlet pipe is connected with the water outlet pipe connector 43; the cooling water enters into the second cavity 251 from the water inlet pipe connector 32, then enters into a plurality of through grooves 14, along with the continuous inflow of the cooling water, the water level in the cooling water cavity gradually moves up and cools the motor shell, then flows out from the water outlet hole 252, and the water in the water outlet hole 252 flows out from the cooling water outlet pipe through the water outlet pipe connector 43.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (6)
1. A flowing water-cooled electric machine comprising a machine housing (1), characterized in that: the motor shell (1) is sequentially formed with a first rectangular groove (11), a motor cavity (12) and a second rectangular groove (13) from front to back, a plurality of through grooves (14) for communicating the first rectangular groove (11) with the second rectangular groove (13) are formed in the outer side of the motor cavity (12), and a bolt sleeve (15) is formed between every two adjacent through grooves (14);
a stator (21) is fixed in the motor cavity (12), a rotor (22) is sleeved in the stator (21), the rotor (22) is fixed in the middle of the motor shaft (23), two ends of the motor shaft (23) are respectively hinged to a front end cover (24) and a rear end cover (25), the front end cover (24) is inserted in the first rectangular groove (11), the rear end cover (25) is inserted in the second rectangular groove (13), the front end cover (24) and the rear end cover (25) are fixedly connected through a plurality of long screw rods (28), and the long screw rods (26) are inserted in the bolt sleeves (15);
the water cooling structure is characterized in that a first cavity (241) communicated with the through groove (14) is formed in the front end cover (24), a second cavity (251) communicated with the through groove (14) is formed in the rear end cover (24), the first cavity (241), the second cavity (251) and the through groove (14) form a cooling water cavity (100), and the cooling water cavity (100) is provided with a water inlet connecting end (3) and a water outlet connecting end (4).
2. A flow water cooled electric machine according to claim 1 wherein: the water inlet connecting end (3) is arranged at the lower end of the rear end cover (25);
the water inlet connecting end (3) comprises a boss (31) formed at the lower end of the bottom surface of the rear end cover (25), and a water inlet pipe connector (32) and a threaded counter bore (33) which are communicated with the second cavity (251) are formed on the boss (31).
3. A flow water cooled electric machine according to claim 1 wherein: the water outlet connecting end (4) is arranged above the front end of the motor shell (1);
a jack (16) and two threaded through holes (17) are formed in the upper side wall of the front end of the motor shell (1); a water outlet hole (252) which is coaxial with the jack (16) and communicated with the first cavity (251) is formed in the front end cover (24);
the water outlet connecting end (4) comprises a connecting plate (41), a boss (42) protruding downwards is formed in the middle of the connecting plate (41), the boss (42) penetrates through the lower extending end of the jack (16) and is inserted and sleeved in the water outlet hole (252), and a water outlet pipe connecting port (43) communicated with the water outlet hole (252) is formed in the boss (42); two bolt through holes (44) which are coaxially arranged with the threaded through holes (17) respectively are formed in the connecting plate (41), and the connecting plate (41) is fixedly connected with one of the threaded through holes (17) through a screw (45).
4. A flow water cooled electric machine according to claim 3 wherein: and the outer wall of the lower end of the boss (42) is sleeved with a sealing ring (46), and the sealing ring (46) is pressed against the inner wall of the water outlet hole (252).
5. A flow water cooled electric machine according to claim 1 wherein: and two end surfaces of the bolt sleeve (15) are respectively the bottom surface of the first rectangular groove (11) and the bottom surface of the second rectangular groove (13).
6. A flow water cooled electric machine according to claim 1 wherein: two first sealing rings (26) are clamped between the bottom surface of the first rectangular groove (11) and the front end cover (24), and the two first sealing rings (26) are respectively positioned on the outer side and the inner side of the through groove (14);
two second sealing rings (27) are clamped between the bottom surface of the third rectangular groove (11) and the rear end cover (25), and the two second sealing rings (27) are respectively positioned on the outer side and the inner side of the through groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010940131.3A CN112104165A (en) | 2020-09-09 | 2020-09-09 | Flowing water-cooled motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010940131.3A CN112104165A (en) | 2020-09-09 | 2020-09-09 | Flowing water-cooled motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112104165A true CN112104165A (en) | 2020-12-18 |
Family
ID=73752241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010940131.3A Withdrawn CN112104165A (en) | 2020-09-09 | 2020-09-09 | Flowing water-cooled motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112104165A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114679012A (en) * | 2022-03-18 | 2022-06-28 | 浙江强速电动机制造有限公司 | Space negative pressure heat dissipation motor |
-
2020
- 2020-09-09 CN CN202010940131.3A patent/CN112104165A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114679012A (en) * | 2022-03-18 | 2022-06-28 | 浙江强速电动机制造有限公司 | Space negative pressure heat dissipation motor |
| CN114679012B (en) * | 2022-03-18 | 2023-07-21 | 浙江强速电动机制造有限公司 | Space negative pressure heat dissipation motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201218 |