A new energy vehicle motor based on air cooling and oil cooling collaborative heat dissipation

Abstract

The application relates to a new energy automobile motor based on air cooling and oil cooling cooperative heat dissipation, and relates to the technical field of automobile motors. The new energy automobile motor comprises a rear end cover and a motor shell with a front end cover. The rear end cover is arranged at the opening of one side of the motor shell through screwing. A rotor is arranged in the motor shell through a rotating shaft. A stator with coil windings is arranged on the inner wall of the motor shell. A magnetic block I is arranged at the end of the rotating shaft close to the rear end cover. A plurality of annular array arranged liquid storage cavities are formed in the outer wall of the motor shell. The liquid storage cavities are filled with heat-conducting oil. A liquid guide cavity is arranged at the side of the front end cover. A heat-conducting plate is sealingly connected to the opening of the liquid storage cavity. A plurality of hollow heat-dissipating plates are arranged at the top end of the heat-conducting plate. A power cavity is arranged in the rear end cover. The application meets the motor sealing requirement, realizes air cooling and oil cooling cooperation for heat dissipation of the motor, and makes the new energy automobile motor have better heat dissipation performance.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of new energy automobile motors, and in particular to a new energy automobile motor based on air cooling and oil cooling cooperative heat dissipation. BACKGROUND

[0002] The new energy automobile refers to an automobile adopting unconventional vehicle fuel as a power source (or using conventional vehicle fuel, adopting a new vehicle power device), and combining the advanced technologies of vehicle power control and driving to form an automobile with advanced technical principles and new technologies and structures. The electric new energy automobile generally adopts a driving mode of driving the automobile by using a battery and a motor. When the automobile is normally driven, the battery supplies power to the motor to drive the automobile to travel. When braking, the motor is reversed to charge the battery. Compared with the waste of energy during braking of a traditional automobile, the electric new energy automobile is more energy-saving.

[0003] At present, when the motor of the new energy automobile works, a large amount of heat is generated. The traditional motor heat dissipation mostly only adopts a fan for heat dissipation, and the heat dissipation effect is poor, which affects the performance of the motor. In addition, when the automobile is involved in water, the sealing performance of the motor is poor, and the motor is easily damaged.

[0004] In view of the related technologies in the above, in order to make the new energy automobile motor have better heat dissipation performance, the application provides a new energy automobile motor based on air cooling and oil cooling cooperative heat dissipation. SUMMARY

[0005] The application aims to meet the sealing performance of the motor while making the new energy automobile motor have better heat dissipation performance, and therefore provides a new energy automobile motor based on air cooling and oil cooling cooperative heat dissipation.

[0006] In a first aspect, the application provides a new energy automobile motor based on air cooling and oil cooling cooperative heat dissipation, which adopts the following technical scheme:

[0007] A new energy automobile motor based on air cooling and oil cooling cooperative heat dissipation comprises a rear end cover and a motor shell with a front end cover. The rear end cover is installed on one side opening of the motor shell through screws. A rotor is installed in the interior of the motor shell through a rotating shaft. A stator with coil windings is installed on the inner wall of the motor shell. A magnetic block one is installed on one end of the rotating shaft close to the rear end cover.

[0008] The outer side wall of the motor shell is provided with a plurality of liquid storage cavities arranged in an annular array, the inside of the liquid storage cavities is filled with heat-conducting oil, one side of the liquid storage cavities is further provided with a liquid guide cavity located at the front end cover, the opening of the liquid storage cavity is sealingly connected with a heat-conducting plate, the top end of the heat-conducting plate is provided with a plurality of hollow heat-dissipating plates, the inside of the rear end cover is provided with a power cavity, the power cavity is provided with a spiral blade through a fan blade shaft, one end of the fan blade shaft is fixedly connected with a magnetic block two magnetically attracted to a magnetic block one, the other end of the fan blade shaft extends out of the rear end cover and is provided with a fan blade, one end of the power cavity is communicated with the corresponding liquid storage cavity through a plurality of liquid inlet channels, the other end of the power cavity is communicated with a liquid guide ring outside the rear end cover through a liquid outlet channel, the liquid guide ring is communicated with the inside of the heat-dissipating plate through a plurality of connecting pipes two, the other end of the heat-dissipating plate is communicated with the liquid guide cavity through a connecting pipe one.

[0009] Preferably, one side of the rear end cover is provided with a protective cover with a larger diameter, and the protective cover is provided with an air guide hole at a position corresponding to the heat-dissipating plate.

[0010] Preferably, the motor stator and the motor shell are of an integrated structure, and a plurality of heat-conducting protrusions are arranged in the liquid storage cavities of the motor shell.

[0011] Preferably, a plurality of communication holes are arranged on one side of the motor shell close to the rear end cover and communicated with the corresponding liquid storage cavities, a plurality of connecting plugs are arranged on the rear end cover and communicated with one end of the corresponding liquid inlet channels, the other end of the connecting plug is inserted into the communication hole, and a sealing ring is arranged at the connection between the motor shell and the rear end cover.

[0012] Preferably, a plurality of heat-dissipating fins one are further arranged on the front end cover of the motor shell, and one end of the heat-dissipating fin one is communicated with the liquid guide cavity.

[0013] In the second aspect, the new energy vehicle motor based on the wind cooling and oil cooling cooperative heat dissipation provided by the present application adopts the following technical scheme:

[0014] One end of the protective cover is provided with an extension, and the extension is provided with an auxiliary heat-dissipating mechanism.

[0015] Preferably, the auxiliary heat-dissipating mechanism includes a plurality of heat-dissipating cylinders arranged on the inner wall of the protective cover, the inside of the motor shell is filled with heat-conducting oil, and the heat-dissipating cylinder can flow and dissipate heat with the heat-conducting oil in the inside of the motor shell.

[0016] Preferably, one end of the side wall of the heat-dissipating cylinder is slidingly inserted with a piston rod, one end of the piston rod is connected with a piston block slidingly connected in the inside of the heat-dissipating cylinder.

[0017] The center position of the protective cover is fixed with an auxiliary motor through a support, the output shaft of the auxiliary motor is connected with a reciprocating screw rod with a limiting plate at both ends, a sliding ring is spirally transmissionally connected on the reciprocating screw rod, and a transmission rod is connected between the sliding ring and each piston rod.

[0018] The upper two heat dissipation cylinders are connected with the lowermost heat dissipation cylinder through a communication pipe, and the lowermost heat dissipation cylinder is connected with the inside of the motor shell through a liquid guide pipe.

[0019] Preferably, at least three heat dissipation plates are installed on the heat conduction plate, and the spacing between the heat dissipation plates on different heat conduction plates is greater than the spacing between the heat dissipation plates on the same heat conduction plate.

[0020] Preferably, the bottom end of the motor shell is provided with a base, and a sealing bearing is installed at the connection between the motor shell and the rotating shaft, which can provide good sealing performance for the motor, and the base can provide heat dissipation space for the bottom of the motor while ensuring the installation of the motor.

[0021] In summary, the present application has at least one of the following beneficial technical effects:

[0022] 1. The device proposes a new energy automobile motor based on air cooling and oil cooling cooperative heat dissipation, which adopts a sealing structure through the setting of the motor shell and the rear end cover, so that the motor of the device has good waterproof performance and is suitable for use in complex environments.

[0023] The rotating shaft of the motor is magnetically connected with the fan shaft in the rear end cover through a magnetic block, further ensuring the sealing performance of the connection between the rear end cover and the motor shell.

[0024] 2. The device proposes a new energy automobile motor based on air cooling and oil cooling cooperative heat dissipation, which sets a liquid storage cavity on the motor shell and sets a heat dissipation plate, so that the heat on the motor stator can be quickly transferred to the liquid storage cavity, and the heat dissipation plate can quickly realize heat dissipation of the motor under the flow of the heat conducting oil in the liquid storage cavity.

[0025] At the same time of heat dissipation by heat conducting oil, the air outside is blown to the outside of the motor shell and the heat dissipation plate under the rotation of the fan blade, further improving the overall heat dissipation effect of the motor.

[0026] 3. The device proposes a new energy automobile motor based on air cooling and oil cooling cooperative heat dissipation, which sets an auxiliary heat dissipation mechanism in the protection cover, so that the heat conducting oil in the motor can be continuously guided out to the heat dissipation cylinder for heat exchange, further improving the heat dissipation performance of the device.

[0027] The device meets the sealing performance of the motor, and realizes heat dissipation of the motor by air cooling and oil cooling, so that the new energy automobile motor has better heat dissipation performance. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is the overall structure schematic diagram of embodiment 2 of the present application;

[0029] Figure 2 is Figure 1 a sectional view;

[0030] Figure 3 is a schematic diagram of the external structure of the embodiment 2 of the present application;

[0031] Figure 4 is a schematic diagram of the structure of the rear end cover, the connecting plug and the protective cover in the present application;

[0032] Figure 5 is a schematic diagram of the external structure of the motor housing in the present application;

[0033] Figure 6 is a schematic diagram of the structure of the motor housing, the internal rotor and the stator in the present application;

[0034] Figure 7 is a schematic diagram of the structure of the heat-conducting plate and the heat-dissipating plate in the embodiment 1 of the present application;

[0035] Figure 8 is a schematic diagram of the structure of the embodiment 3 of the present application;

[0036] Figure 9 is a schematic diagram of the connection between the auxiliary heat-dissipating mechanism and the protective cover in the embodiment 3 of the present application;

[0037] Figure 10 is a schematic diagram of the transmission structure between the three heat-dissipating cylinders and the reciprocating wire rod in the embodiment 3 of the present application;

[0038] BRIEF DESCRIPTION OF THE DRAWINGS: 1, base; 2, motor housing; 201, liquid guiding cavity; 202, liquid storage cavity; 203, heat-conducting protrusion; 204, communication hole; 3, rotating shaft; 301, magnetic block one; 4, heat-dissipating fin one; 5, connecting pipe one; 6, heat-conducting plate; 7, heat-dissipating plate; 8, connecting pipe two; 9, rear end cover; 901, liquid discharging passage; 902, liquid inlet passage; 10, liquid guiding ring; 11, protective cover; 111, air guiding hole; 12, connecting plug; 13, fan blade; 14, rotor; 15, stator; 16, helical blade; 17, blade rotating shaft; 18, magnetic block two; 19, auxiliary heat-dissipating mechanism; 1901, auxiliary motor; 1902, transmission rod; 1903, piston rod; 1904, heat-dissipating cylinder; 1905, sliding ring; 1906, reciprocating wire rod; 1907, liquid guiding pipe; 1908, communication pipe. DETAILED DESCRIPTION

[0039] The present application will be further described in detail below with reference to the accompanying drawings. Figure 1 - the accompanying drawings Figure 10 , and specific examples will be given.

[0040] Embodiment 1: A new energy automobile motor based on the collaborative heat dissipation of air cooling and oil cooling, referring to Figures 1-7, including the rear end cover 9 and the motor housing 2 with the front end cover, the rear end cover 9 is installed on one side opening of the motor housing 2 through screws, the rotor 14 is installed in the interior of the motor housing 2 through the rotating shaft 3, and the stator 15 with the coil winding is installed on the inner wall of the motor housing 2;

[0041] A plurality of annular array arranged liquid storage cavities 202 are formed on the outer side wall of the motor housing 2, the liquid storage cavities 202 are filled with heat-conducting oil in the interior, a liquid guide cavity 201 is further formed on one side of the front end cover of the liquid storage cavity 202, the heat-conducting plate 6 is sealingly connected to the opening of the liquid storage cavity 202, a plurality of hollow heat-dissipating plates 7 are installed on the top end of the heat-conducting plate 6, a power cavity is formed in the interior of the rear end cover 9, the spiral blade 16 is installed in the power cavity through the fan blade rotating shaft 17, one end of the fan blade rotating shaft 17 is connected with the rotating shaft 3, the other end of the fan blade rotating shaft 17 extends out of the rear end cover 9 and is installed with the fan blade 13, one end of the power cavity is communicated with the corresponding liquid storage cavity 202 through a plurality of liquid inlet channels 902, the other end of the power cavity is communicated with the liquid guide ring 10 outside the rear end cover 9 through a liquid outlet channel 901, the liquid guide ring 10 is communicated with the interior one end of the heat-dissipating plate 7 through a plurality of connecting pipes two 8, and the other end of the heat-dissipating plate 7 is communicated with the liquid guide cavity 201 through the connecting pipe one 5.

[0042] The protection cover 11 with a larger diameter than the rear end cover 9 is installed on one side of the rear end cover 9, the air inlet holes 111 are formed on the position corresponding to the heat-dissipating plates 7 of the protection cover 11, when the fan blade 13 rotates, the air outside is sucked into the protection cover 11, and then is blown to the motor housing 2 and the heat-dissipating plates 7 through the air inlet holes 111, so that the motor is cooled.

[0043] The motor stator 15 and the motor housing 2 are integrated, and a plurality of heat-conducting protrusions 203 are arranged in the liquid storage cavities 202 on the motor housing 2, the heat-conducting protrusions 203 are designed to be integrated with the motor housing 2 and the stator 15, and the heat on the stator can be quickly transferred to the heat-conducting oil in the liquid storage cavities 202 through the heat-conducting protrusions 203.

[0044] A plurality of communication holes 204 are formed on one side of the motor housing 2 close to the rear end cover 9 and communicated with the corresponding liquid storage cavities 202, a plurality of connecting plugs 12 are installed on the rear end cover 9 and communicated with one ends of the liquid inlet channels 902, the other ends of the connecting plugs 12 are inserted into the communication holes 204, and sealing rings are installed at the connection positions of the motor housing 2 and the rear end cover 9.

[0045] A plurality of heat-dissipating fins one 4 are further arranged on the front end cover of the motor housing 2, and one end of the heat-dissipating fins one 4 is communicated with the liquid guide cavity 201.

[0046] The heat-conducting plate 6 is provided with at least three heat-dissipating plates 7, the distance between the heat-dissipating plates 7 on different heat-conducting plates 6 is greater than the distance between the heat-dissipating plates 7 on the same heat-conducting plate 6, and the heat-dissipating plates 7 are arranged in this way, so that the heat-dissipating performance of the heat-conducting plate 6 is better.

[0047] The bottom end of the motor shell 2 is provided with the base 1, and a sealing bearing is arranged at the connection between the motor shell 2 and the rotating shaft 3, so as to ensure the sealing performance of the connection between the motor shell 2 and the rotating shaft 3.

[0048] The working principle of the embodiment 1 is as follows: in use, the heat generated by the rotor 14 and the stator 15 in the motor shell 2 is transferred to the heat-conducting oil in the liquid storage cavity 202, when the rotating shaft 3 rotates, the rotating shaft 3 drives the fan shaft 17 and the spiral blade 16 to rotate, the spiral blade 16 guides the heat-conducting oil in the liquid storage cavity 202 to flow out through the communication hole 204 and the liquid inlet channel 902, and then the heat-conducting oil is guided into the heat-dissipating plate 7 through the connecting pipe 2 8 to be rapidly cooled, the heat-conducting oil cooled by the heat-dissipating plate 7 is guided into the liquid guide cavity 201 through the connecting pipe 1 5, and then the heat-conducting oil is cooled again through the heat-dissipating fin 1 4 and then flows back to the liquid storage cavity 202, so that the heat-conducting oil in the liquid storage cavity 202 continuously circulates, so that the heat of the motor is dissipated.

[0049] At the same time, when the fan blade 13 rotates, the fan blade 13 sucks the air outside into the protective cover 11, and then blows the air to the motor shell 2 and the heat-dissipating plate 7 through the air guide hole 111, so that the motor is cooled.

[0050] Embodiment 2: in order to further improve the sealing performance of the motor, the present application provides a new energy automobile motor based on air cooling and oil cooling cooperative heat dissipation, referring to Figures 1-7 , comprising a rear end cover 9 and a motor shell 2 with a front end cover, the rear end cover 9 is arranged on one side of the motor shell 2 through screws, the rotor 14 is arranged in the motor shell 2 through the rotating shaft 3, the stator 15 with coil winding is arranged on the inner wall of the motor shell 2, and the magnetic block one 301 is arranged on one end of the rotating shaft 3 close to the rear end cover 9.

[0051] The outer side wall of the motor shell 2 is provided with a plurality of annular array arranged liquid storage cavities 202, the inside of the liquid storage cavity 202 is filled with heat conducting oil, one side of the liquid storage cavity 202 is also provided with a liquid guide cavity 201 located in the front end cover, the opening of the liquid storage cavity 202 is sealingly connected with a heat conducting plate 6, the top end of the heat conducting plate 6 is installed with a plurality of hollow heat dissipation plates 7, the inside of the rear end cover 9 is provided with a power cavity, the power cavity is installed with a spiral blade 16 through a fan blade shaft 17, one end of the fan blade shaft 17 is fixedly connected with a magnetic block two 18 which is magnetically adsorbed with a magnetic block one 301, the other end of the fan blade shaft 17 extends out of the rear end cover 9 and is installed with a fan blade 13, one end of the power cavity is communicated with the corresponding liquid storage cavity 202 through a plurality of liquid inlet channels 902, the other end of the power cavity is communicated with a liquid guide ring 10 outside the rear end cover 9 through a liquid outlet channel 901, the liquid guide ring 10 is communicated with the inside one end of the heat dissipation plate 7 through a plurality of connecting pipes two 8, the other end of the heat dissipation plate 7 is communicated with the liquid guide cavity 201 through a connecting pipe one 5.

[0052] One side of the rear end cover 9 is installed with a protective cover 11 which is larger in diameter than the rear end cover 9, the protective cover 11 is provided with an air guide hole 111 at the position corresponding to the heat dissipation plate 7.

[0053] The motor stator 15 is of an integrated structure with the motor shell 2, and a plurality of heat conducting protrusions 203 are arranged in the liquid storage cavity 202 of the motor shell 2.

[0054] The side of the motor shell 2 close to the rear end cover 9 is provided with a plurality of communication holes 204 communicated with the corresponding liquid storage cavities 202, the rear end cover 9 is installed with a plurality of connecting plugs 12 communicated with one end of the corresponding liquid inlet channels 902, the other end of the connecting plug 12 is inserted into the communication hole 204, and a sealing ring is installed at the connection between the motor shell 2 and the rear end cover 9.

[0055] The front end cover of the motor shell 2 is also provided with a plurality of heat dissipation fins one 4, one end of the heat dissipation fin one 4 is communicated with the liquid guide cavity 201.

[0056] The heat conducting plate 6 is installed with at least three heat dissipation plates 7, the spacing between the heat dissipation plates 7 on different heat conducting plates 6 is greater than the spacing between the heat dissipation plates 7 on the same heat conducting plate 6.

[0057] The bottom end of the motor shell 2 is installed with a base 1, and a sealing bearing is installed at the connection between the motor shell 2 and the rotating shaft 3.

[0058] The implementation principle of the embodiment 2 of the present application is that: in use, the heat generated by the rotor 14 and the stator 15 in the motor shell 2 is transferred to the heat-conducting oil in the liquid storage cavity 202, when the rotating shaft 3 rotates, the magnetic block one 301 and the magnetic block two 18 are mutually adsorbed, one end of the rotating shaft 3 drives the fan blade shaft 17 and the spiral blade 16 to rotate under the action of the magnetic force, the spiral blade 16 guides the heat-conducting oil in the liquid storage cavity 202 out through the communication hole 204 and the liquid inlet channel 902, and then guides the heat-conducting oil into the heat dissipation plate 7 through the connecting pipe two 8 to rapidly dissipate heat, the heat-conducting oil after heat dissipation through the heat dissipation plate 7 is guided into the liquid guide cavity 201 through the connecting pipe one 5, and then flows back to the liquid storage cavity 202 after heat dissipation through the heat dissipation fin one 4, in this way, the heat-conducting oil in the liquid storage cavity 202 continuously circulates, so that the heat dissipation of the motor is realized.

[0059] At the same time, when the fan blade 13 rotates, it sucks the air outside into the protective cover 11, and then blows it to the motor shell 2 and the heat dissipation plate 7 through the air guide hole 111, so as to realize the cooling of the motor.

[0060] Embodiment 3: In order to further improve the heat dissipation performance of the motor, we propose a new energy automobile motor based on air cooling and oil cooling cooperative heat dissipation, referring to Figures 1-10 , comprising a rear end cover 9 and a motor shell 2 with a front end cover, the rear end cover 9 is installed on one side of the opening of the motor shell 2 through screws, the rotor 14 is installed in the motor shell 2 through the rotating shaft 3, the stator 15 with coil winding is installed on the inner wall of the motor shell 2, and the magnetic block one 301 is installed on one end of the rotating shaft 3 close to the rear end cover 9.

[0061] A plurality of annular array arranged liquid storage cavities 202 are opened on the outer side wall of the motor shell 2, the liquid storage cavities 202 are filled with heat-conducting oil, a liquid guide cavity 201 is further provided on one side of the liquid storage cavity 202, the opening of the liquid storage cavity 202 is sealingly connected with a heat-conducting plate 6, a plurality of hollow heat dissipation plates 7 are installed on the top end of the heat-conducting plate 6, a power cavity is provided in the rear end cover 9, a spiral blade 16 is installed in the power cavity through a fan blade shaft 17, a magnetic block two 18 magnetically adsorbed with the magnetic block one 301 is fixedly connected to one end of the fan blade shaft 17, a fan blade 13 is installed on the other end of the fan blade shaft 17 extending out of the rear end cover 9, one end of the power cavity is communicated with the corresponding liquid storage cavity 202 through a plurality of liquid inlet channels 902, the other end of the power cavity is communicated with a liquid guide ring 10 outside the rear end cover 9 through a liquid outlet channel 901, the liquid guide ring 10 is communicated with the inner end of the heat dissipation plate 7 through a plurality of connecting pipes two 8, and the other end of the heat dissipation plate 7 is communicated with the liquid guide cavity 201 through a connecting pipe one 5.

[0062] A protective cover 11 with a larger diameter than the rear end cover 9 is installed on one side of the rear end cover 9, and the protective cover 11 is provided with an air guide hole 111 corresponding to the position of the heat dissipation plate 7.

[0063] The motor stator 15 is in an integrated structure with the motor housing 2, and a plurality of heat-conducting protrusions 203 are arranged in the liquid storage cavities 202 on the motor housing 2.

[0064] A plurality of communication holes 204 are arranged on one side of the motor housing 2 close to the rear end cover 9 and are in communication with the corresponding liquid storage cavities 202, a plurality of connecting plugs 12 are arranged on the rear end cover 9 and are in communication with one ends of the corresponding liquid inlet channels 902, the other ends of the connecting plugs 12 are inserted into the communication holes 204, and sealing rings are arranged at the connection between the motor housing 2 and the rear end cover 9.

[0065] A plurality of heat dissipation fins 14 are arranged on the front end cover of the motor housing 2, and one end of each heat dissipation fin 14 is in communication with the liquid guide cavity 201.

[0066] One end of the protective cover 11 is provided with an extension, and the extension is provided with an auxiliary heat dissipation mechanism 19.

[0067] The auxiliary heat dissipation mechanism 19 includes a plurality of heat dissipation cylinders 1904 arranged on the inner wall of the protective cover 11, the interior of the motor housing 2 is filled with heat-conducting oil, and the heat dissipation cylinders 1904 can flow and dissipate heat with the heat-conducting oil in the interior of the motor housing 2.

[0068] A piston rod 1903 is slidingly inserted into one end of the sidewall of the heat dissipation cylinder 1904, and one end of the piston rod 1903 is connected with a piston block slidingly connected in the interior of the heat dissipation cylinder 1904.

[0069] An auxiliary motor 1901 is fixed at the center of the protective cover 11 through a support, the output shaft of the auxiliary motor 1901 is connected with a reciprocating screw rod 1906 with limiting plates at two ends, a sliding ring 1905 is screw transmissionally connected to the reciprocating screw rod 1906, and a transmission rod 1902 is connected between the sliding ring 1905 and each piston rod 1903.

[0070] A communication pipe 1908 is connected between the two heat dissipation cylinders 1904 located at the top and the heat dissipation cylinder 1904 located at the bottom, and a liquid guide pipe 1907 is connected between the heat dissipation cylinder 1904 located at the bottom and the interior of the motor housing 2.

[0071] At least three heat dissipation plates 7 are arranged on the heat-conducting plate 6, and the spacing between the heat dissipation plates 7 on different heat-conducting plates 6 is greater than the spacing between the heat dissipation plates 7 on the same heat-conducting plate 6.

[0072] A base 1 is arranged at the bottom end of the motor housing 2, and a sealing bearing is arranged at the connection between the motor housing 2 and the rotating shaft 3.

[0073] The principle of the embodiment 3 of the present application is that, in use, the heat generated by the rotor 14 and the stator 15 in the motor housing 2 is transferred to the heat-conducting oil in the liquid storage cavity 202, and when the rotating shaft 3 of the motor rotates, the magnetic block one 301 and the magnetic block two 18 are attracted to each other, and the end of the rotating shaft 3 drives the fan blade shaft 17 and the spiral blade 16 to rotate under the magnetic force, the spiral blade 16 guides the heat-conducting oil in the liquid storage cavity 202 out through the communication hole 204 and the liquid inlet channel 902, and then guides the heat-conducting oil into the heat dissipation plate 7 through the connecting pipe two 8 for rapid heat dissipation, the heat-conducting oil after heat dissipation by the heat dissipation plate 7 is guided into the liquid guide cavity 201 through the connecting pipe one 5, and then is guided back to the liquid storage cavity 202 after heat dissipation by the heat dissipation fin one 4, in this way, the heat-conducting oil in the liquid storage cavity 202 is continuously circulated, so that the heat dissipation of the motor is realized.

[0074] At the same time, when the fan blade 13 rotates, it sucks the air outside into the protective cover 11, and then blows the air to the motor housing 2 and the heat dissipation plate 7 through the air guide hole 111, so that the temperature of the motor is reduced.

[0075] When the temperature of the motor of the automobile rises to a certain degree, the auxiliary heat dissipation mechanism 19 is started, the output shaft of the auxiliary motor 1901 drives the reciprocating screw rod 1906 to rotate, the reciprocating screw rod 1906 is screw transmission connected with the sliding ring 1905, the sliding ring 1905 drives the piston rod 1904 and the piston block to reciprocate in the heat dissipation cylinder 1904 through the transmission rod 1902, the negative pressure generated by the heat dissipation cylinder 1904 continuously extracts and guides the heat-conducting oil in the motor housing 2 through the connection pipe 1908 and the liquid guide pipe 1907, so that the heat dissipation of the motor is further realized.

[0076] The embodiments of the present application are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, wherein the same parts are indicated by the same reference numerals. Therefore, any equivalent changes made according to the structure, shape and principle of the present application should be covered by the protection scope of the present application.

Claims

1. A new energy vehicle motor based on coordinated heat dissipation of air cooling and oil cooling, comprising a rear end cover (9) and a motor housing (2) with a front end cover, characterized in that, A rear end cover (9) is installed at one side opening of the motor housing (2) by screws. A rotor (14) is installed inside the motor housing (2) by a rotating shaft (3). A stator (15) with coil windings is installed on the inner wall of the motor housing (2). A magnetic block (301) is installed at one end of the rotating shaft (3) near the rear end cover (9). Multiple annular arrayed liquid storage chambers (202) are opened on the outer wall of the motor housing (2). The liquid storage chambers (202) are filled with heat-conducting oil. A liquid guiding chamber (201) located on the front cover is also opened on one side of the liquid storage chambers (202). A heat-conducting plate (6) is sealed and connected to the opening of the liquid storage chambers (202). Multiple hollow heat dissipation plates (7) are installed on the top of the heat-conducting plate (6). A power chamber is opened inside the rear cover (9). A spiral blade (16) is installed in the power chamber through the fan blade shaft (17). One end of the fan blade shaft (17) is fixed to a magnetically connected device. The magnetic block 2 (18) is magnetically adsorbed by block 1 (301). The other end of the fan blade shaft (17) extends out to the rear end cover (9) where the fan blade (13) is installed. One end of the power chamber is connected to the corresponding liquid storage chamber (202) through multiple liquid inlet channels (902). The other end of the power chamber is connected to the liquid guide ring (10) outside the rear end cover (9) through the liquid outlet channel (901). The liquid guide ring (10) is connected to one end of the heat sink (7) through multiple connecting pipes 2 (8). The other end of the heat sink (7) is connected to the liquid guide chamber (201) through connecting pipe 1 (5). One end of the protective cover (11) is provided with an extension, and an auxiliary heat dissipation mechanism (19) is provided inside the extension. The auxiliary heat dissipation mechanism (19) includes multiple heat dissipation cylinders (1904) installed on the inner wall of the protective cover (11). The motor housing (2) is filled with heat-conducting oil, and the heat dissipation cylinders (1904) can flow with the heat-conducting oil inside the motor housing (2) to dissipate heat. A piston rod (1903) is slidably inserted into one side wall of the heat sink (1904), and one end of the piston rod (1903) is connected to a piston block that is slidably connected inside the heat sink (1904). An auxiliary motor (1901) is fixed at the center of the protective cover (11) by a bracket. The output shaft of the auxiliary motor (1901) is connected to a reciprocating screw (1906) with limit plates at both ends. A sliding ring (1905) is screwed on the reciprocating screw (1906). A transmission rod (1902) is connected between the sliding ring (1905) and each piston rod (1903). A connecting pipe (1908) is connected between the two upper heat sinks (1904) and the lower heat sink (1904), and a liquid guide pipe (1907) is connected between the lower heat sink (1904) and the inside of the motor housing (2).

2. A new energy vehicle motor based on coordinated air cooling and oil cooling for heat dissipation according to claim 1, characterized in that, A protective cover (11) with a diameter larger than that is installed on one side of the rear end cover (9), and an air guide hole (111) is provided on the protective cover (11) at the position corresponding to the heat sink (7).

3. A new energy vehicle motor based on coordinated air cooling and oil cooling for heat dissipation according to claim 1, characterized in that, The motor stator (15) and the motor housing (2) are an integral structure, and the liquid storage cavity (202) on the motor housing (2) is provided with multiple heat-conducting protrusions (203).

4. A new energy vehicle motor based on coordinated air cooling and oil cooling for heat dissipation according to claim 1, characterized in that, The motor housing (2) has multiple connecting holes (204) on the side near the rear end cover (9) that communicate with the corresponding liquid storage chamber (202). The rear end cover (9) is equipped with multiple connecting plugs (12) that communicate with one end of the corresponding liquid inlet channel (902). The other end of the connecting plug (12) is inserted into the connecting hole (204), and a sealing ring is installed at the connection between the motor housing (2) and the rear end cover (9).

5. A new energy vehicle motor based on coordinated air cooling and oil cooling for heat dissipation according to claim 1, characterized in that, The front end cover of the motor housing (2) is also provided with a plurality of heat sinks (4), one end of which is connected to the liquid guiding cavity (201).

6. A new energy vehicle motor based on coordinated air cooling and oil cooling for heat dissipation according to claim 1, characterized in that, At least three heat dissipation plates (7) are installed on the heat conduction plate (6), and the distance between the heat dissipation plates (7) on different heat conduction plates (6) is greater than the distance between the heat dissipation plates (7) on the same heat conduction plate (6).

7. A new energy vehicle motor based on coordinated air cooling and oil cooling for heat dissipation according to claim 1, characterized in that, A base (1) is installed at the bottom of the motor housing (2), and a sealed bearing is installed at the connection between the motor housing (2) and the rotating shaft (3).

Images