CN111342612B - Motor for new energy automobile - Google Patents
Motor for new energy automobile Download PDFInfo
- Publication number
- CN111342612B CN111342612B CN202010245419.9A CN202010245419A CN111342612B CN 111342612 B CN111342612 B CN 111342612B CN 202010245419 A CN202010245419 A CN 202010245419A CN 111342612 B CN111342612 B CN 111342612B
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- Prior art keywords
- end cover
- pipe
- motor
- air inlet
- exhaust
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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
- H02K9/02—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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
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- 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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/26—Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a motor for a new energy automobile, which comprises a shaft, a shell, a stator, a rotor, a front end cover, a rear end cover and an exhaust fan, wherein the shaft is used for transmitting rotation; a plurality of stator vent holes are axially formed in the stator; a plurality of rotor vent holes are axially formed in the rotor; the front end cover is provided with two front end cover vent holes, the front end cover vent holes are optimized in the scheme, the front end cover vent holes are uniformly distributed in the axial direction of the axle center of the front end cover, the axle is provided with two exhaust fans, and the two exhaust fans are respectively close to the front end cover and the rear end cover; the first exhaust fan is used for pumping air outside the motor into the motor, and the second exhaust fan is used for exhausting hot air in the motor out of the motor; the wind in the motor forms unidirectional wind, which is beneficial to directly radiating the inside of the motor.
Description
Technical Field
The invention relates to the field of motors, in particular to a motor for a new energy automobile.
Background
Traditional new energy automobile motor's radiating effect is relatively poor, and the heat that can't better dispel the motor rotation and bring causes the motor overheated and damage easily and produce the potential safety hazard, and the output shaft of motor produces axial gap easily simultaneously, produces vibration noise when leading to the motor to rotate, directly influences the security and the functionality of motor.
The traditional motor adopts a shell surface cooling mode, namely, axial cooling fins are arranged on the outer side of a shell, and a fan is arranged outside the shell to blow air to the shell;
however, the inventors of the present application have found that the above-mentioned techniques have at least the following technical problems: the traditional motor can not directly cool the inside of the shell;
disclosure of Invention
The embodiment of the application provides a motor for new energy automobile, has solved the technical problem that traditional motor can not directly cool down to casing inside among the prior art, has realized directly cooling down to casing inside.
The embodiment of the application provides 1, a new energy automobile motor, including front end housing, rear end housing, air discharge fan, its characterized in that:
a plurality of stator ventilation holes are axially formed in the stator, and the axes of the stator ventilation holes are parallel to the axis of the motor rotating shaft;
a plurality of rotor vent holes are axially formed in the rotor; the axis of the rotor vent hole is parallel to the axis of the motor rotating shaft;
the front end cover is provided with a plurality of front end cover vent holes which are uniformly distributed along the circumferential direction of the axis of the front end cover;
a first exhaust fan and a second exhaust fan are fixed on a motor rotating shaft;
the first exhaust fan is close to the front end cover and used for pumping air outside the motor into the motor,
the second exhaust fan is close to the rear end cover and used for discharging hot air in the motor out of the motor.
The device also comprises an M-shaped pipe, a rear end cover exhaust pipe, a front end cover air inlet pipe and a plugging component;
the number of the front end cover air inlet pipes is the same as that of the front end cover vent holes; one end of the front end cover air inlet pipe is communicated with the front end cover vent hole;
the M-shaped pipe comprises three bending parts; respectively a first bending part, a second bending part and a third bending part;
the number of the M-shaped pipes is the same as that of the air inlet pipes of the front end cover;
the spare end of the front end cover air inlet pipe is communicated with a third bending part of the M-shaped pipe;
the plugging assembly comprises a circular truncated cone pipe, a first cylindrical pipe, a second cylindrical pipe, a bottom pipe and a sealing element;
the bending point of the first bending part is fixedly communicated with the circular truncated cone pipe, and the large end of the circular truncated cone pipe is communicated with one end of the first cylindrical pipe; the first bending part and the conical surface of the circular truncated cone pipe are provided with two symmetrical communicating openings:
the empty and surplus end of the first cylindrical pipe is communicated with one end of a second cylindrical pipe, and the empty and surplus end of the second cylindrical pipe is communicated with one end of the bottom pipe;
the sealing element comprises a circular truncated cone body, a connecting part and a buoyancy part;
the large end of the circular truncated cone body is connected with one end of the cylindrical connecting part, and the spare end of the connecting part is connected with one end of the cylindrical buoyancy part;
the density of the buoyancy part is less than that of water, and the circular truncated cone body and the connecting part can be driven to float upwards together when the water enters the bottom pipe;
the circular truncated cone body can enter the circular truncated cone pipe, and the first bending part and the two communicating openings of the circular truncated cone pipe are sealed.
And a drying agent is positioned at the third bending part of the M-shaped pipe and packaged by a non-woven fabric bag, and the drying agent of the M-shaped pipe is used for absorbing moist air to remove moisture.
The number of the front end cover vent holes is two;
also comprises an air inlet pipe electromagnetic valve, a time relay, an exhaust pipe electromagnetic valve,
An electromagnetic valve is fixedly arranged on the air inlet pipe of the front end cover,
the number of the air inlet pipe electromagnetic valves is the same as that of the air inlet pipes of the front end cover, and the air inlet pipe electromagnetic valves are all electrically connected with the T lines of the air inlet time relay;
the first time relay connected with the front end cover air inlet pipe is used for controlling the electromagnetic valves of the air inlet pipes to be opened and closed in a circulating mode in sequence, so that the front end cover air inlet pipe can intake air in a circulating mode in sequence;
the number of the exhaust pipe electromagnetic valves is the same as that of the exhaust pipes of the rear end cover and the number of the exhaust pipes of the front end cover is the same as that of the air inlet pipes of the front end cover;
the spare end of the exhaust pipe of the rear end cover is communicated with a third bending part of an M-shaped pipe;
an exhaust pipe electromagnetic valve is fixedly arranged on the exhaust pipe of the rear end cover;
the number of the exhaust pipe electromagnetic valves is the same as that of the exhaust pipes of the rear end cover, and the exhaust pipe electromagnetic valves are all electrically connected with the T line of the second time relay;
and the second time relay is used for controlling the exhaust pipe electromagnetic valves to be opened and closed in a circulating mode in sequence, so that the exhaust pipe of the rear end cover exhausts in a circulating mode in sequence, and when the exhaust pipe of the rear end cover exhausts, the air inlet electromagnetic valve on the front end cover air inlet pipe communicated with the same M-shaped pipe is closed.
The stator ventilation holes are uniformly distributed by taking the axis of the stator as the center of a circle, and the number of the stator ventilation holes is 10-20.
The circumference of the outer side of the shell is provided with radiating fins, and the radiating fins are S-shaped or spiral lines, so that the radiating area of the shell can be increased.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages: because the ventilation holes are formed in the front end cover and the rear end cover of the motor, the two exhaust fans are arranged inside the motor, so that gas exchange can be carried out between the inside and the outside of the motor, the problem that the traditional motor cannot directly cool the inside of the shell is effectively solved, the problem that hot air inside the motor can be directly discharged out of the motor is further solved, and air outside the motor directly enters the motor.
Description of the drawings
FIG. 1 is an axial cross-sectional view of a motor according to the present application;
FIG. 2 is a sectional view taken along line A-A;
FIG. 3 is a front view of the front end cap;
FIG. 4 is a front and cross-sectional view of the rear end cap;
FIG. 5 is a schematic view of the overall structure of the motor and motor accessories;
FIG. 6 is a schematic view of the structure of an M-shaped pipe;
FIG. 7 is an enlarged view at B-the M-tube is not submerged;
FIG. 8 is a schematic view of the seal configuration;
FIG. 9 is a schematic structural view of a first bending portion of an M-shaped tube;
FIG. 10 is a partial schematic view of the seal assembly when the M-tube is submerged;
in the figure, a shaft 00, a housing 10, a heat sink 11, a stator 20, a stator vent hole 21, a stator hole 22, a rotor 30, a rotor vent hole 31, a rotor mounting hole 32, a front end cover 40, an output shaft hole 41, a front end cover vent hole 42, a front end cover mounting hole 43, a rear end cover 50, a bearing mounting hole 51, a rear end cover vent hole 52, a rear end cover mounting hole 53, a bearing 55, an exhaust fan 60, a rear end cover exhaust pipe 70, a front end cover intake pipe 80, a time relay 90, an exhaust pipe electromagnetic valve 100, an intake pipe electromagnetic valve 105, an M-shaped pipe 110, a first bent portion 112, a circular truncated cone pipe 112-1, a first cylindrical pipe 112-2, a second cylindrical pipe 112-3, a bottom pipe 112-4, a second bent portion 114, a third bent portion 116, a sealing element 120, a circular truncated cone 121, a connecting portion;
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The technical problem that the traditional motor cannot directly cool the inside of the shell in the prior art is solved.
A motor for a new energy automobile comprises a motor rotating shaft 00, a shell 10, a stator 20, a rotor 30, a front end cover 40, a rear end cover 50 and an exhaust fan 60,
the motor rotating shaft 00 is used for transmitting rotation;
a plurality of stator vent holes 21 in the axial direction are formed in the stator 20, and the axes of the stator vent holes 21 are parallel to the axis of the motor rotating shaft 00; the stator vent holes 21 are communicated with two end faces of the stator 20; a stator hole 22 is formed in the axis of the stator 20, and the stator hole 22 is used for placing a rotor 30;
a plurality of rotor vent holes 31 are formed in the rotor 30, the axes of the rotor vent holes 31 are parallel to the axis of the motor rotating shaft 00, and the rotor vent holes 31 are communicated with two end faces of the rotor 30; a rotor mounting hole 32 is formed in the axis of the rotor 30, and the rotor mounting hole 32 is used for mounting with a motor rotating shaft 00;
the front end cover 40 is provided with a plurality of front end cover vent holes 42, and the front end cover vent holes 42 are uniformly distributed along the axial center circumference of the front end cover 40; an output shaft hole 41 is arranged in the center of the front end cover 40; four front end cover mounting holes 43 are formed in the edge of the front end cover 40;
a bearing mounting hole 51 is formed in the center of the rear end cover 50, and the bearing mounting hole 51 is a blind hole; the rear end cover 50 is uniformly provided with two rear end cover vent holes 52 by taking the axis of the rear end cover 50 as a circle center; four rear end cover mounting holes 53 are formed in the edge of the rear end cover 50;
the stator 20 is positioned in the housing 10, the rotor 30 is positioned at the center of the stator 20, the motor rotating shaft 00 is installed in interference with the rotor installation hole 32 of the rotor 30, the front end cover 40 is installed with the housing 10, one end of the motor rotating shaft 00 extends out of the output shaft hole 41 of the front end cover 40, and the first bearing 55 is positioned in the output shaft hole 41 and installed outside the motor rotating shaft 00; the rear end cover 50 is mounted at the spare end of the housing 10, a second bearing 55 is located in the bearing mounting hole 51 of the rear end cover 50, and the second bearing 55 is mounted at one end, adjacent to the motor rotating shaft 00, in an interference manner;
two exhaust fans 60 are arranged on the motor rotating shaft 00, the first exhaust fan 60 is positioned between the first bearing 55 and the rotor 30, and the second exhaust fan 60 is positioned between the second bearing 55 and the rotor 30; the first exhaust fan 60 is used for pumping air outside the motor into the motor, and the second exhaust fan 60 is used for exhausting hot air inside the motor out of the motor; the wind in the motor forms unidirectional wind, which is beneficial to directly radiating the heat in the motor;
preferably, the stator ventilation holes 21 are uniformly distributed by taking the axis of the stator 20 as the center of a circle, and 10 to 20 stator ventilation holes 21 are arranged.
Preferably, the outer circumference of the housing 10 is provided with cooling fins 11, and the cooling fins are S-shaped or spiral, so that the cooling area of the housing 10 can be increased;
however, a new problem is introduced, namely when the automobile passes through a low-lying waterway surface, the water level is possibly higher than that of the motor and is directly filled into the motor, or moisture is brought into the motor by moist air;
the motor for the new energy automobile further comprises a rear end cover exhaust pipe 70, a front end cover air inlet pipe 80, a time relay 90, an exhaust pipe electromagnetic valve 100, an air inlet pipe electromagnetic valve 105, an M-shaped pipe 110, a plugging component 115, a sealing element 120 and a drying agent 130,
the time relay 90 is a cycle time relay (there are two groups of connections, T1 is normally closed, delay off and T1 is normally open, delay on), the exhaust pipe solenoid valve 100 and the intake pipe solenoid valve 105 are direct control type solenoid valves (there is an electric path, there is no electric path to open the path);
the number of the front end cover air inlet pipes 80 is the same as that of the front end cover vent holes 41; one end of the front end cover air inlet pipe 80 is communicated with the front end cover vent hole 41;
the M-shaped pipe comprises three bending parts; a first bending portion 112, a second bending portion 114, and a third bending portion 116;
the number of the M-shaped pipes 110 is the same as that of the front end cover air inlet pipes 80;
the empty end of the front end cover air inlet pipe 80 is communicated with the third bending part 116 of the M-shaped pipe 110;
the plugging assembly comprises a circular truncated cone pipe 112-1, a first cylindrical pipe 112-2, a second cylindrical pipe 112-3, a bottom pipe 112-4 and a sealing element 120;
the bending point of the first bending part 112 is fixedly communicated with the circular truncated cone tube 112-1, and the large end of the circular truncated cone tube 112-1 is communicated with one end of the first cylindrical tube 112-2; the first bending part 112 and the conical surface of the circular truncated cone tube 112-1 are provided with two symmetrical communicating openings;
the empty surplus end of the first cylindrical pipe 112-2 is communicated with one end of a second cylindrical pipe 112-3, and the empty surplus end of the second cylindrical pipe 112-3 is communicated with one end of the bottom pipe 112-4;
the sealing element comprises a circular truncated cone 121, a connecting part 122 and a buoyancy part 123;
the large end of the circular truncated cone 121 is connected with one end of a cylindrical connecting part 122, and the spare end of the connecting part 122 is connected with one end of a cylindrical buoyancy part 123;
the density of the buoyancy part 123 is less than that of water, so that the circular truncated cone body 121 and the connecting part 122 can be driven to float upwards together when the water enters the bottom pipe;
the circular truncated cone body 121 can enter the circular truncated cone tube 112-1 to close two communication ports of the first bending part 112 and the circular truncated cone tube 112-1.
The desiccant 130 is positioned at the third bending part 116 of the M-shaped pipe 110, the desiccant 130 is packaged by a non-woven fabric bag, and the desiccant 130 of the M-shaped pipe 110 is used for absorbing moisture from the humid air.
Two front end cover vent holes 42 are formed;
also comprises an air inlet pipe electromagnetic valve 105, a time relay 90, an air outlet pipe electromagnetic valve 100,
An air pipe electromagnetic valve 105 is fixedly arranged on the front end cover air inlet pipe 80,
the number of the air inlet pipe electromagnetic valves 105 is the same as that of the front end cover air inlet pipes 80, and the air inlet pipe electromagnetic valves 105 are electrically connected with the T lines of the first time relay 90 respectively;
the first time relay 90 connected with the front end cover air inlet pipe 80 is used for controlling the multi-air inlet pipe electromagnetic valve 105 to be opened and closed in a circulating mode in sequence, so that the front end cover air inlet pipe 80 can intake air in a circulating mode in sequence;
the number of the exhaust pipe electromagnetic valves 100 is the same as that of the rear end cover exhaust pipes 70 and the number of the exhaust pipe electromagnetic valves 100 is the same as that of the front end cover air inlet pipes 80;
the spare end of the rear end cover exhaust pipe 70 is communicated with a third bending part 116 of the M-shaped pipe 110;
an exhaust pipe electromagnetic valve 100 is fixedly arranged on the rear end cover exhaust pipe 70;
the number of the exhaust pipe electromagnetic valves 100 is the same as that of the exhaust pipes 70 of the rear end cover, and the exhaust pipe electromagnetic valves 100 are electrically connected with the T-wires of the second time relay 90;
the second time relay 90 is used for controlling the exhaust pipe electromagnetic valves 100 to be opened and closed in a circulating mode in sequence, so that the rear end cover exhaust pipe 70 exhausts in a circulating mode in sequence, and when the rear end cover exhaust pipe 70 exhausts, the air inlet electromagnetic valve 105 on the front end cover air inlet pipe 80 communicated with the same M-shaped pipe is closed.
When water splashes into the inlet of the M-shaped pipe 110 when passing through a low-lying waterway surface, water drops flow out along the inclined pipe wall of the M-shaped pipe 110 because the inlet of the M-shaped pipe 110 is inclined downwards; when water submerges the M-shaped pipe, the buoyancy of the water will lift the sealing element 120 upwards, so that the truncated cone 121 of the sealing element 120 is tightly matched with the truncated cone 112-1 of the first bending part 112, thereby blocking the water from flowing into the motor from the M-shaped pipe 110;
the technical scheme in the embodiment of the application at least has the following technical effects or advantages:
because the front end cover and the rear end cover of the motor are provided with the vent holes, two exhaust fans are arranged in the motor, hot air in the motor can be exhausted out of the motor, and air outside the motor enters the motor;
the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a new energy automobile motor, includes front end housing, rear end housing, air discharge fan, its characterized in that:
a plurality of stator ventilation holes are axially arranged on the stator, and the axes of the stator ventilation holes are parallel to the axis of the motor rotating shaft;
a plurality of rotor vent holes are axially formed in the rotor; the axis of the rotor vent hole is parallel to the axis of the motor rotating shaft;
the front end cover is provided with a plurality of front end cover vent holes which are uniformly distributed along the circumferential direction of the axis of the front end cover;
a first exhaust fan and a second exhaust fan are fixed on a motor rotating shaft;
the first exhaust fan is close to the front end cover and used for pumping air outside the motor into the motor,
the second exhaust fan is close to the rear end cover and used for exhausting hot air in the motor out of the motor;
the device also comprises an M-shaped pipe, a rear end cover exhaust pipe, a front end cover air inlet pipe and a plugging component;
the number of the front end cover air inlet pipes is the same as that of the front end cover vent holes; one end of the front end cover air inlet pipe is communicated with the front end cover vent hole;
the M-shaped pipe comprises three bending parts; respectively a first bending part, a second bending part and a third bending part;
the number of the M-shaped pipes is the same as that of the air inlet pipes of the front end cover;
the spare end of the front end cover air inlet pipe is communicated with a third bending part of the M-shaped pipe;
the plugging assembly comprises a circular truncated cone pipe, a first cylindrical pipe, a second cylindrical pipe, a bottom pipe and a sealing element;
the bending point of the first bending part is fixedly communicated with the circular truncated cone pipe, and the large end of the circular truncated cone pipe is communicated with one end of the first cylindrical pipe; the first bending part and the conical surface of the circular truncated cone pipe are provided with two symmetrical communicating openings;
the empty and surplus end of the first cylindrical pipe is communicated with one end of a second cylindrical pipe, and the empty and surplus end of the second cylindrical pipe is communicated with one end of the bottom pipe;
the sealing element comprises a circular truncated cone body, a connecting part and a buoyancy part;
the large end of the circular truncated cone body is connected with one end of the cylindrical connecting part, and the spare end of the connecting part is connected with one end of the cylindrical buoyancy part;
the density of the buoyancy part is less than that of water, and the circular truncated cone body and the connecting part can be driven to float upwards together when the water enters the bottom pipe;
the circular truncated cone body can enter the circular truncated cone pipe, and the first bending part and two communication ports of the circular truncated cone pipe are closed;
and a drying agent is positioned at the third bending part of the M-shaped pipe and packaged by a non-woven fabric bag, and the drying agent of the M-shaped pipe is used for absorbing moist air to remove moisture.
2. The motor for the new energy automobile according to claim 1, characterized in that:
the number of the front end cover vent holes is two;
also comprises an air inlet pipe electromagnetic valve, a time relay, an exhaust pipe electromagnetic valve,
An electromagnetic valve is fixedly arranged on the air inlet pipe of the front end cover,
the number of the air inlet pipe electromagnetic valves is the same as that of the air inlet pipes of the front end cover, and the air inlet pipe electromagnetic valves are all electrically connected with the T lines of the air inlet time relay;
the first time relay connected with the front end cover air inlet pipe is used for controlling the electromagnetic valves of the air inlet pipes to be opened and closed in a circulating mode in sequence, so that the front end cover air inlet pipe can intake air in a circulating mode in sequence;
the number of the exhaust pipe electromagnetic valves is the same as that of the exhaust pipes of the rear end cover and the number of the exhaust pipes of the front end cover is the same as that of the air inlet pipes of the front end cover;
the spare end of the exhaust pipe of the rear end cover is communicated with a third bending part of an M-shaped pipe;
an exhaust pipe electromagnetic valve is fixedly arranged on the exhaust pipe of the rear end cover;
the number of the exhaust pipe electromagnetic valves is the same as that of the exhaust pipes of the rear end cover, and the exhaust pipe electromagnetic valves are all electrically connected with the T line of the second time relay;
and the second time relay is used for controlling the exhaust pipe electromagnetic valves to be opened and closed in a circulating mode in sequence, so that the exhaust pipe of the rear end cover exhausts in a circulating mode in sequence, and when the exhaust pipe of the rear end cover exhausts, the air inlet electromagnetic valve on the front end cover air inlet pipe communicated with the same M-shaped pipe is closed.
3. The motor for the new energy automobile according to claim 1, characterized in that:
the stator ventilation holes are uniformly distributed by taking the axis of the stator as the center of a circle, and the number of the stator ventilation holes is 10-20.
4. The motor for the new energy automobile according to claim 1, characterized in that:
the circumference of the outer side of the shell is provided with the radiating fins, and the radiating fins are S-shaped, so that the radiating area of the shell can be increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010245419.9A CN111342612B (en) | 2020-03-31 | 2020-03-31 | Motor for new energy automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010245419.9A CN111342612B (en) | 2020-03-31 | 2020-03-31 | Motor for new energy automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111342612A CN111342612A (en) | 2020-06-26 |
| CN111342612B true CN111342612B (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010245419.9A Active CN111342612B (en) | 2020-03-31 | 2020-03-31 | Motor for new energy automobile |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3035775A1 (en) * | 1980-09-23 | 1982-05-06 | Robert Bosch Gmbh, 7000 Stuttgart | Permanent magnet generator for vehicle - has air guide for cooling winding and laminar stator packet |
| DE102005044327B4 (en) * | 2005-09-16 | 2008-04-17 | Siemens Ag | Electric machine with permanent magnets |
| JP2016101008A (en) * | 2014-11-21 | 2016-05-30 | 株式会社東芝 | Rotary electric machine |
| CN110535291A (en) * | 2018-05-24 | 2019-12-03 | 中车株洲电力机车研究所有限公司 | A kind of totally-enclosed machine with heat sinking function |
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2020
- 2020-03-31 CN CN202010245419.9A patent/CN111342612B/en active Active
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| CN111342612A (en) | 2020-06-26 |
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Denomination of invention: A motor for new energy vehicles Effective date of registration: 20221018 Granted publication date: 20201229 Pledgee: Xuzhou Jiawang Sub branch of Bank of Jiangsu Co.,Ltd. Pledgor: Jiangsu Jinpeng Group Co.,Ltd. Registration number: Y2022980018797 |