Integrated power system and automobile

Abstract

The utility model discloses an integrated power system and an automobile, according to the integrated power system, a rotor and a stator of a motor and a mechanical pump are integrated in a motor cavity formed by a first shell and a second shell, and a rotor shaft of the rotor is directly in transmission connection with the mechanical pump, so that a shaft body of the mechanical pump is reduced; the motor and the mechanical pump form an integrated body, so that the structural size of the power system is reduced, and the flexibility of the mounting position of the power system in a vehicle is improved; the motor and the mechanical pump are sequentially distributed in the axial direction of the rotor shaft, and the controller is fixedly connected to the outer side of the first shell, so that the controller, the motor and the mechanical pump form a complete integrated power system, and the integrated power system can be installed in a vehicle as a whole. Therefore, the structure of the integrated power system is more compact, and the flexibility of the installation position of the integrated power system in the vehicle is further improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile power system, more particularly, to an integrated power system and automobile. BACKGROUND

[0002] At present, the structure of the extended-range hybrid power system is relatively complex, so that the structure size is large, which leads to the fact that the existing extended-range hybrid power system needs a large installation space, so that the installation position of the extended-range hybrid power system in the electric vehicle has limitations.

[0003] In summary, how to reduce the structure size of the power system to improve the flexibility of the installation position in the vehicle is a problem to be solved by the technical personnel in the field at present. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the purpose of the present application is to provide an integrated power system and automobile, which reduces the structure size of the power system to improve the flexibility of the installation position in the vehicle.

[0005] In order to achieve the above purpose, the present application provides the following technical solutions:

[0006] An integrated power system comprises a first shell, a second shell, a rotor, a stator, a mechanical pump and a controller, wherein the first shell and the second shell form a motor cavity, the rotor, the stator and the mechanical pump are integrated in the motor cavity, the rotor comprises a rotor shaft, the rotor shaft is in transmission connection with the mechanical pump, the controller is fixedly connected to the outside of the first shell, and the controller, the first shell, the mechanical pump, the rotor and the second shell are sequentially distributed along the axial direction of the rotor shaft.

[0007] In some embodiments, one end of the rotor shaft in transmission connection with the mechanical pump is provided with a connecting key, the mechanical pump is provided with a connecting groove, and the connecting key and the connecting groove are in plug-in cooperation.

[0008] In some embodiments, the first shell is provided with a first oil channel, the mechanical pump comprises a cover plate, the cover plate is provided with a second oil channel, a first oil outlet hole and an oil cavity, the first oil channel is in communication with the second oil channel, the second oil channel is in communication with the oil cavity through the first oil outlet hole, the rotor shaft is provided with a rotor shaft oil channel, the axial direction of the rotor shaft oil channel is consistent with the axial direction of the rotor shaft, and the rotor shaft oil channel is in communication with the oil cavity.

[0009] In some embodiments, the rotor shaft is provided with first oil holes and second oil holes, the first oil holes are at least two, the axes of adjacent first oil holes have an included angle, at least two first oil holes are sequentially distributed along the circumference of the rotor shaft, and the first oil holes communicate with the rotor shaft oil channel; the second oil holes are at least two, adjacent second oil holes have an included angle, at least two second oil holes are sequentially distributed along the circumference of the rotor shaft, and the second oil holes communicate with the rotor shaft oil channel; the first oil holes and the second oil holes are sequentially distributed along the axial direction of the rotor shaft; the rotor further comprises a shaft hub fixedly connected with the rotor shaft, the first oil holes and the second oil holes both communicate with the inner cavity of the shaft hub; the shaft hub is provided with third oil holes and fourth oil holes sequentially distributed along the axial direction of the rotor shaft; the third oil holes are at least two, at least two third oil holes are sequentially distributed along the circumference of the shaft hub; the fourth oil holes are at least two, at least two fourth oil holes are sequentially distributed along the circumference of the shaft hub.

[0010] In some embodiments, the rotor shaft is provided with first oil holes and second oil holes, the first oil holes are at least two, the axes of adjacent first oil holes have an included angle, at least two first oil holes are sequentially distributed along the circumference of the rotor shaft, and the first oil holes communicate with the rotor shaft oil channel; the second oil holes are at least two, adjacent second oil holes have an included angle, at least two second oil holes are sequentially distributed along the circumference of the rotor shaft, and the second oil holes communicate with the rotor shaft oil channel; the first oil holes and the second oil holes are sequentially distributed along the axial direction of the rotor shaft; the rotor further comprises a shaft hub fixedly connected with the rotor shaft, the first oil holes and the second oil holes both communicate with the inner cavity of the shaft hub; the shaft hub is provided with third oil holes and fourth oil holes sequentially distributed along the axial direction of the rotor shaft; the third oil holes are at least two, at least two third oil holes are sequentially distributed along the circumference of the shaft hub; the fourth oil holes are at least two, at least two fourth oil holes are sequentially distributed along the circumference of the shaft hub.

[0011] In some embodiments, the first shell is further provided with a first oil inlet hole and a second oil outlet hole; the cover plate is further provided with a second oil inlet hole and a third oil outlet hole; the first oil inlet hole and the second oil inlet hole communicate, and the second oil inlet hole is used for supplying oil for the mechanical pump; the second oil outlet hole and the third oil outlet hole communicate, and the third oil outlet hole is used for discharging oil for the mechanical pump.

[0012] In some embodiments, the first shell is further provided with an oil return hole, and the oil return hole communicates with the motor cavity.

[0013] In some embodiments, the stator comprises a stator oil pipe, and the stator oil pipe is provided with at least two oil injection holes, and at least two oil injection holes are sequentially distributed along the axial direction of the stator oil pipe.

[0014] In some embodiments, the stator oil pipe comprises a first connecting end and a second connecting end; the circumferential side of the stator oil pipe close to the second connecting end is provided with a limiting block; the first shell is provided with a connecting hole and a first limiting piece, the connecting hole is connected with the second connecting end, and the first limiting piece is limited to cooperate with the limiting block; the second shell is provided with a second limiting piece, and the second limiting piece is limited to cooperate with the first connecting end.

[0015] In some embodiments, the stator comprises three-phase wires, and the controller comprises plug-in ends, the three-phase wires being electrically connected with the plug-in ends.

[0016] In some embodiments, the controller is detachably fixedly connected with a three-phase wire cover plate, the three-phase wire cover plate being capable of covering the plug-in ends.

[0017] And / or, the first shell and the second shell are sealingly connected.

[0018] An automobile comprising the integrated power system as described above.

[0019] The integrated power system provided in the present application integrates the rotor and the stator of the motor and the mechanical pump in the motor cavity formed by the first shell and the second shell, and directly drives the mechanical pump through the rotor shaft of the rotor, thereby reducing the shaft body of the mechanical pump, forming an integrated body of the motor and the mechanical pump, reducing the structural size of the power system, and improving the flexibility of the installation position of the power system in the vehicle; and the controller is fixedly connected to the outside of the first shell, so as to form a complete integrated power system of the controller, the motor and the mechanical pump, so that the integrated power system can be installed as a whole in the vehicle, and the controller, the first shell, the mechanical pump, the rotor and the second shell are sequentially distributed along the axial direction of the rotor shaft, so that the structure of the integrated power system is more compact, and the flexibility of the installation position of the integrated power system in the vehicle is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the provided drawings.

[0021] Figure 1 The overall structural schematic diagram of the integrated power system provided in the embodiments of the present application;

[0022] Figure 2 The cross-sectional view of the integrated power system provided in the embodiments of the present application;

[0023] Figure 3 The structural schematic diagram of one side of the rotor in the integrated power system provided in the embodiments of the present application;

[0024] Figure 4 The structural schematic diagram of the other side of the rotor in the integrated power system provided in the embodiments of the present application;

[0025] Figure 5 The structural schematic diagram of one side of the rotor shaft in the integrated power system provided in the embodiments of the present application;

[0026] Figure 6 Another structure diagram of the other surface of the rotor shaft in the integrated power system provided by the embodiment of the present application;

[0027] Figure 7 A diagram of the connecting key of the rotor shaft in the integrated power system provided by the embodiment of the present application;

[0028] Figure 8 A diagram of the connecting slot of the mechanical pump in the integrated power system provided by the embodiment of the present application;

[0029] Figure 9 A structure diagram of the first shell in the integrated power system provided by the embodiment of the present application;

[0030] Figure 10 A structure diagram of the mechanical pump cover plate in the integrated power system provided by the embodiment of the present application;

[0031] Figure 11 A structure diagram of the stator oil pipe in the integrated power system provided by the embodiment of the present application;

[0032] Figure 12 A diagram of the connecting structure of the first shell and the stator in the integrated power system provided by the embodiment of the present application;

[0033] Figure 13 A diagram of the connection of the first shell and the stator in the integrated power system provided by the embodiment of the present application;

[0034] Figure 14 A diagram of the connection of the second shell and the stator in the integrated power system provided by the embodiment of the present application;

[0035] Figure 15 A diagram of the connection of the controller and the stator in the integrated power system provided by the embodiment of the present application;

[0036] Figure 16 A diagram of the three-phase line cover plate in the integrated power system provided by the embodiment of the present application.

[0037] Explanation of reference signs:

[0038] 100-first shell, 101-first oil inlet hole, 103-second oil outlet hole, 105-first oil channel, 106-oil return hole, 107-first limiting member, 108-connecting hole;

[0039] 200-second shell, 201-second limiting member;

[0040] 300-rotor, 310-rotor shaft, 311-first oil hole, 312-second oil hole, 313-fifth oil hole, 314-sixth oil hole, 315-rotor shaft oil channel, 316-connection key, 320-shaft hub, 321-third oil hole, 322-fourth oil hole;

[0041] 400-stator, 410-stator oil pipe, 411-oil injection hole, 412-first connection end, 413-second connection end, 414-limiting block, 420-three-phase wire;

[0042] 500-mechanical pump, 510-cover plate, 511-second oil channel, 512-first oil outlet hole, 513-oil cavity, 514-third oil outlet hole, 515-second oil inlet hole, 520-connection groove;

[0043] 600-oil cooler;

[0044] 700-rotary transformer;

[0045] 800-controller, 810-plug-in end, 820-three-phase wire cover plate;

[0046] 910-first bearing, 920-second bearing, 930-oil seal. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present application will be clearly and completely described in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0048] The technical solutions in the embodiments of the present application will be clearly and completely described in combination with the drawings in the embodiments of the present application. The terms used in the following embodiments are only for the purpose of describing the specific embodiments, and are not intended to be limiting on the present application. As used in the specification and the appended claims of the present application, the singular expressions "one", "a", "said", "the above", "the", and "this" are intended to also include, for example, the expression "one or more", unless there is clear indication to the contrary in the context. It should also be understood that in the embodiments of the present application, "one or more" means one, two, or more than two; "and / or" describes the association relationship of the associated objects, indicating that there can be three relationships; for example, A and / or B can represent the following three cases: A exists alone, A and B exist together, and B exists alone, where A and B can be singular or plural. The character " / " generally represents an "or" relationship between the associated objects before and after it.

[0049] Reference to "one embodiment" or "some embodiments" etc. in the present description means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. The appearances of the phrases "in one embodiment", "in some embodiments", "in other embodiments", "in additional embodiments" etc. in various places in the description are not necessarily all referring to the same embodiment, although they can. The terms "comprising", "comprises", "including", "includes" and "having" etc. are meant to be interpreted open-ended, unless otherwise specified.

[0050] The plurality referred to in the embodiments of the present application means greater than or equal to two. It should be noted that in the description of the embodiments of the present application, the terms "first", "second" and the like are only used for the purpose of distinguishing the described purposes, and cannot be understood as indicating or implying relative importance, nor indicating or implying order.

[0051] As shown in Figures 1-16 The integrated power system provided by the embodiments of the present application includes a first housing 100, a second housing 200, a rotor 300, a stator 400, a mechanical pump 500 and a controller 800. The first housing 100 and the second housing 200 form a motor cavity, so that the rotor 300 and the stator 400 of the motor and the mechanical pump 500 are integrated in the motor cavity. The rotor 300 includes a rotor shaft 310, which is in driving connection with the mechanical pump 500. The shaft body of the mechanical pump 500 is reduced, so that the motor and the mechanical pump 500 form an integrated body, the structural size of the power system is reduced, and the flexibility of the installation position of the power system in the vehicle is improved.

[0052] The controller 800 is fixedly connected to the outside of the first housing 100, so that the controller 800, the motor, the mechanical pump 500 and the like form a complete integrated power system, so that the integrated power system can be installed as a whole in the vehicle, and the controller 800, the first housing 100, the mechanical pump 500, the rotor 300 and the second housing 200 are distributed in sequence along the axial direction of the rotor shaft 310, so that the structure of the integrated power system is more compact, and the flexibility of the installation position of the integrated power system in the vehicle is further improved.

[0053] In actual situations, in order to ensure the sealing of the integrated power system, the first housing 100 and the second housing 200 are in sealing connection, and the controller 800 and the first housing 100 are also in sealing connection, so as to ensure the sealing performance of the integrated power system during operation.

[0054] In some embodiments, the controller 800 can be bonded with the first housing 100 through sealing glue, so as to improve the installation efficiency and ensure the sealing effect. In some embodiments, the controller 800 can be bonded with the first housing 100 through sealing glue, so as to improve the installation efficiency and ensure the sealing effect.

[0055] In order to enable the transmission connection between the rotor shaft 310 and the mechanical pump 500, the rotor shaft 310 is provided with a connecting key 316 at the end of the transmission connection with the mechanical pump 500, and the mechanical pump 500 is provided with a connecting groove 520, and the connecting key 316 and the connecting groove 520 are inserted and matched to realize the transmission connection between the rotor shaft 310 and the mechanical pump 500.

[0056] In some embodiments, as shown in Figure 7 and Figure 8 , the connecting key 316 of the rotor shaft 310 is a D-shaped key, and the connecting groove 520 of the mechanical pump 500 is a D-shaped groove, which improves the convenience of the connection process between the rotor shaft 310 and the mechanical pump 500.

[0057] In other embodiments, the rotor shaft 310 and the mechanical pump 500 can also be transmission connected through splines, keys, etc., and the embodiments of the present application do not limit this.

[0058] In order to meet the lubrication requirements of the power system under normal operation conditions, as shown in Figure 2 , Figure 9 and Figure 10 , the first housing 100 is provided with a first oil channel 105, the mechanical pump 500 includes a cover plate 510, the cover plate 510 is provided with a second oil channel 511, a first oil outlet hole 512 and an oil cavity 513, the first oil channel 105 is in communication with the second oil channel 511, the second oil channel 511 is in communication with the oil cavity 513 through the first oil outlet hole 512; the rotor shaft 310 is provided with a rotor shaft oil channel 315, the axial direction of the rotor shaft oil channel 315 is consistent with the axial direction of the rotor shaft 310, and the rotor shaft oil channel 315 is in communication with the oil cavity 513. In this way, the oil can flow from the first oil channel 105 to the second oil channel 511, and then flow from the second oil channel 511 to the oil cavity 513 through the first oil outlet hole 512, and then flow to the rotor shaft oil channel 315 through the oil cavity 513, so that the subsequent oil flows out through the rotor shaft oil channel 315 to lubricate the rotor, so as to meet the lubrication requirements of the power system operation.

[0059] In actual conditions, as shown in Figure 1 , the integrated power system further includes an oil cooler 600, and the first housing 100 includes a plurality of communication oil channels, so that in actual operation, the mechanical pump 500 sucks the oil at the bottom and exchanges through the oil cooler 600, the oil cooled by the oil cooler 600 flows out through the first oil channel 105 of the first housing 100, and flows to the rotor shaft oil channel 315 through the above-mentioned flow path, so as to realize lubrication.

[0060] In order to meet the oil flow process of the mechanical pump 500, as shown in Figure 9 and Figure 10As shown, the first shell 100 is also provided with a first oil inlet hole 101 and a second oil outlet hole 103, the cover plate 510 is also provided with a second oil inlet hole 515 and a third oil outlet hole 514, the first oil inlet hole 101 communicates with the second oil inlet hole 515, and the second oil inlet hole 515 is used for oil suction of the mechanical pump 500; the second oil outlet hole 103 communicates with the third oil outlet hole 514, and the third oil outlet hole 514 is used for oil outlet of the mechanical pump 500, so that the mechanical pump 500 can realize oil suction and oil outlet operation through the oil inlet and outlet holes of the cover plate 510 and the corresponding oil inlet and outlet holes of the first shell 100, so as to meet the operation requirements of the mechanical pump 500.

[0061] As shown in the figures, Figure 9 The first shell 100 is also provided with an oil return hole 106, and the oil return hole 106 communicates with the motor cavity, so that after the cover plate 510 is installed in correspondence with the first shell 100, the slightly leaked oil between the cover plate 510 and the first shell 100 can flow back into the motor cavity through the oil return hole 106, and since the first shell 100 and the second shell 200 are sealingly connected, the oil can be sealed inside the motor cavity, so that the sealing element between the cover plate 510 and the first shell 100 can be reduced, thereby further reducing the structure size of the integrated body formed by the mechanical pump 500 and the motor, and further improving the flexibility of installation.

[0062] In order to realize the lubrication of the rotor 300, as shown in the figures, Figures 2-6 The rotor shaft 310 is provided with a first oil hole 311 and a second oil hole 312, the first oil hole 311 is at least two, and the axes of adjacent first oil holes 311 have an included angle, at least two first oil holes 311 are distributed along the circumference of the rotor shaft 310 in sequence, and the first oil hole 311 communicates with the rotor shaft oil channel 315, so that the oil can flow out through the at least two first oil holes 311 through the rotor shaft oil channel 315, to improve the lubrication effect of the rotor 300.

[0063] In some embodiments, as shown in the figures, Figure 2 , Figure 5 and Figure 6 The first oil hole 311 is two, and the axes of the two first oil holes 311 have an included angle of 180°, to ensure the lubrication effect of the rotor 300.

[0064] In other embodiments, the first oil hole 311 can also be three, four, etc., and a plurality of first oil holes 311 are equally angularly distributed along the circumference of the rotor shaft 310 to meet the lubrication requirements during vehicle driving, and the present application does not limit this.

[0065] The second oil hole 312 is also at least two, the axes of the adjacent second oil holes 312 have an included angle, the at least two second oil holes 312 are sequentially distributed along the circumference of the rotor shaft 310, the second oil hole 312 can communicate with the rotor shaft oil channel 315, and the first oil hole 311 and the second oil hole 312 are sequentially distributed along the axis of the rotor shaft 310, so that the oil flow path is increased, the oil lubrication area is increased, and the lubrication effect of the rotor 300 is further improved.

[0066] In some embodiments, as shown in Figure 2 , Figure 5 and Figure 6 , the second oil hole 312 is two, and the axes of the two second oil holes 312 have an included angle of 180°, so as to ensure the lubrication effect of the rotor 300.

[0067] In other embodiments, the second oil hole 312 can also be three, four, etc., and the multiple second oil holes 312 are equally angularly distributed along the circumference of the rotor shaft 310 to meet the lubrication requirements in vehicle driving, and the embodiments of the present application are not limited thereto.

[0068] As shown in Figures 2-4 , the rotor 300 further comprises a shaft hub 320 fixedly connected with the rotor shaft 310, and the first oil hole 311 and the second oil hole 312 can communicate with the inner cavity of the shaft hub 320, so that in the process of rotation of the rotor 300, under the action of centrifugal force, the oil can be splashed to the inner cavity of the shaft hub 320 through the first oil hole 311 and the second oil hole 312, and the shaft hub 320 is provided with third oil holes 321 and fourth oil holes 322 sequentially distributed along the axis of the rotor shaft 310, so that the oil can flow to the rotor 300 through the third oil holes 321 and the fourth oil holes 322, to realize the lubrication of the rotor 300.

[0069] As shown in Figures 3-4 , the third oil hole 321 is at least two, and the at least two third oil holes 321 are sequentially distributed along the circumference of the shaft hub 320; the fourth oil hole 322 is at least two, and the at least two fourth oil holes 322 are sequentially distributed along the circumference of the shaft hub 320, to increase the oil flow channel and further ensure the lubrication effect of the rotor 300.

[0070] In some embodiments, the third oil hole 321 can be two, three, four, etc., and the fourth oil hole 322 can also be two, three, four, etc., and the embodiments of the present application are not limited thereto.

[0071] In order to provide support for the rotation of the rotor shaft 310, as shown in Figure 2As shown, the two ends of the rotor shaft 310 are respectively provided with a first bearing 910 and a second bearing 920, and the first bearing 910 is further provided with an oil seal 930 close to one side of the second shell 200, so as to reduce the leakage of oil and prevent foreign matters from entering the inside of the motor cavity, thereby ensuring the stability of the power system operation.

[0072] In order to provide lubrication for the first bearing 910, the second bearing 920 and the oil seal 930, as shown in Figure 2 and Figure 5 The rotor shaft 310 is further provided with a fifth oil hole 313 and a sixth oil hole 314, both of which can communicate with the rotor shaft oil channel 315, and the fifth oil hole 313 can communicate with the first bearing 910 and the oil seal 930, so that the oil can lubricate the first bearing 910 and the oil seal 930; the sixth oil hole 314 can communicate with the second bearing 920, so that the oil can lubricate the second bearing 920, thereby ensuring the stability of the rotor shaft 310 during rotation.

[0073] In actual cases, as shown in Figure 2 The rotor shaft 310 is further provided with a rotary variable 700, which is used to measure the position, speed and rotation direction of the rotor 300, and transmit these signals to the controller 800 to realize the driving control of the rotor 300, thereby further ensuring the stability of the operation of the rotor 300.

[0074] As shown in Figure 2 and Figure 11 The stator 400 includes a stator oil pipe 410, and the stator oil pipe 410 is provided with at least two oil injection holes 411, which are sequentially distributed along the axial direction of the stator oil pipe 410, so that the oil can be sprayed out through the oil injection holes 411 after passing through the stator oil pipe 410, thereby realizing the lubrication of the stator 400.

[0075] In some embodiments, as shown in Figure 11 The oil injection hole 411 is four, so as to ensure the lubrication effect of the stator 400. Of course, the oil injection hole 411 can also be three, five, six or the like, and the embodiments of the present application do not limit this.

[0076] In order to install and position the stator oil pipe 410, as shown in Figures 11 to 14 The stator oil pipe 410 includes a first connecting end 412 and a second connecting end 413, and the stator oil pipe 410 is provided with a limiting block 414 close to the circumferential side surface of the second connecting end 413.

[0077] In the first shell 100, a connecting hole 108 is arranged in communication with the first connecting end 412, so that the oil can flow to the inside of the stator oil pipe 410 through the connecting hole 108, and the first shell 100 further comprises a first limiting piece 107 in limiting cooperation with the limiting block 414, so as to limit the rotation of the stator oil pipe 410 around its axis, so as to ensure the oil injection direction of the oil injection hole 411, and ensure the lubrication effect on the stator 400.

[0078] In the second shell 200, a second limiting piece 201 is arranged, which supports the first connecting end 412 to realize stable installation of the stator oil pipe 410, and ensures normal operation of the stator oil pipe 410.

[0079] As shown in the figure, Figures 15-16 The stator 400 comprises three-phase lines 420, and the controller 800 comprises a plug-in end 810, so that the controller 800 and the motor can be connected and controlled through the electrical connection of the three-phase lines 420 and the plug-in end 810, to form an integrated power system.

[0080] The controller 800 is detachably fixedly connected with a three-phase line cover plate 820, which can cover the plug-in end 810, so that the connection of the three-phase lines 420 and the plug-in end 810 can be realized by detaching the three-phase line cover plate 820 when needed, and the three-phase line cover plate 820 is reinstalled after connection, to prevent impurities from entering and ensure stable operation of the controller 800.

[0081] In the operation process of the integrated power system provided in the embodiment, first, the rotor shaft 310 is connected and driven through the connecting key 316 and the connecting groove 520 of the mechanical pump 500, so that the rotor 300, the stator 400 and the mechanical pump 500 are integrated in the first shell 100 and the second shell 200 to form a compact integrated body. During operation, the oil is taken by the mechanical pump 500, interacts through the oil cooler 600, flows into the rotor shaft oil channel 315 through the corresponding oil channels of the first shell 100 and the cover plate 510, and lubricates the rotor 300 through a plurality of oil holes. Moreover, the oil can flow into the stator oil pipe 410 through the communication between the first shell 100 and the stator oil pipe 410, and flow to the stator 400 through the oil injection hole 411, so as to realize the lubrication of the stator 400, thereby meeting the lubrication requirement of the power system operation. Then, the three-phase lines 420 of the stator 400 are connected with the controller 800, and the controller 800 is fixedly connected to the outside of the first shell 100, to form a complete integrated power system, so that the integrated power system can be installed in the vehicle as a whole, and the flexibility of the installation position of the integrated power system in the vehicle is improved.

[0082] The embodiment also provides an automobile comprising the integrated power system in the above embodiment.

[0083] Since the integrated power system has the above technical effects, the automobile comprising the integrated power system also has corresponding technical effects, which will not be described here.

[0084] The above description of disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will accord with the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An integrated power system, characterized by, The utility model relates to a kind of integrated motor-pump, including: First shell (100), second shell (200), rotor (300), stator (400), mechanical pump (500) and controller (800); Wherein, the first shell (100) and the second shell (200) form motor cavity, the rotor (300), the stator (400), the mechanical pump (500) are integrated in the motor cavity, the rotor (300) includes rotor shaft (310), and the rotor shaft (310) is drivingly connected with the mechanical pump (500); The controller (800) is fixedly connected to the outside of the first shell (100), and the controller (800), the first shell (100), the mechanical pump (500), the rotor (300), the second shell (200) are sequentially distributed along the axial direction of the rotor shaft (310).

2. The integrated power system of claim 1, wherein, The end of the rotor shaft (310) drivingly connected with the mechanical pump (500) is provided with a connecting key (316);The mechanical pump (500) is provided with a connecting groove (520); The connecting key (316) is inserted and matched with the connecting groove (520).

3. The integrated power system of claim 1, wherein, The first shell (100) is provided with a first oil passage (105); The mechanical pump (500) includes a cover plate (510), and the cover plate (510) is provided with a second oil passage (511), a first oil outlet hole (512) and an oil cavity (513); The first oil passage (105) is communicated with the second oil passage (511), and the second oil passage (511) is communicated with the oil cavity (513) through the first oil outlet hole (512); The rotor shaft (310) is provided with a rotor shaft oil passage (315), the axial direction of the rotor shaft oil passage (315) is consistent with the axial direction of the rotor shaft (310), and the rotor shaft oil passage (315) is communicated with the oil cavity (513).

4. The integrated power system of claim 3, wherein, The rotor shaft (310) is provided with a first oil hole (311) and a second oil hole (312), the first oil hole (311) is at least two, the axial line between adjacent first oil holes (311) has an included angle, at least two first oil holes (311) are sequentially distributed along the circumferential direction of the rotor shaft (310), and the first oil hole (311) is communicated with the rotor shaft oil passage (315); The second oil hole (312) is at least two, the included angle between adjacent second oil holes (312) is at least two, and the second oil hole (312) is sequentially distributed along the circumferential direction of the rotor shaft (310), and the second oil hole (312) is communicated with the rotor shaft oil passage (315);The first oil hole (311) and the second oil hole (312) are sequentially distributed along the axial direction of the rotor shaft (310); The rotor (300) further includes a shaft hub (320) fixedly connected with the rotor shaft (310), and the first oil hole (311) and the second oil hole (312) are communicated with the inner cavity of the shaft hub (320). The shaft hub (320) is provided with third oil holes (321) and fourth oil holes (322) which are sequentially distributed along the axial direction of the rotor shaft (310); The third oil holes (321) are at least two, and the at least two third oil holes (321) are sequentially distributed along the circumferential direction of the shaft hub (320); The fourth oil holes (322) are at least two, and the at least two fourth oil holes (322) are sequentially distributed along the circumferential direction of the shaft hub (320).

5. The integrated power system of claim 3, wherein, The rotor shaft (310) is provided with a first bearing (910) and a second bearing (920) at two ends respectively, and the rotor shaft (310) is further provided with a fifth oil hole (313) and a sixth oil hole (314); The fifth oil hole (313) is in communication with the first bearing (910), the sixth oil hole (314) is in communication with the second bearing (920), and the fifth oil hole (313) and the sixth oil hole (314) are both in communication with the rotor shaft oil channel (315).

6. The integrated power system of claim 3, wherein, The first shell (100) is further provided with a first oil inlet hole (101) and a second oil outlet hole (103); The cover plate (510) is further provided with a second oil inlet hole (515) and a third oil outlet hole (514); The first oil inlet hole (101) and the second oil inlet hole (515) are in communication, and the second oil inlet hole (515) is used for oil suction of the mechanical pump (500); The second oil outlet hole (103) is in communication with the third oil outlet hole (514), and the third oil outlet hole (514) is used for oil outlet of the mechanical pump (500).

7. The integrated power system of claim 3, wherein, The first shell (100) is further provided with an oil return hole (106) which is in communication with the motor cavity.

8. The integrated power system of claim 1, wherein, The stator (400) comprises a stator oil pipe (410), and the stator oil pipe (410) is provided with at least two oil injection holes (411) which are sequentially distributed along the axial direction of the stator oil pipe (410).

9. The integrated power system of claim 8, wherein, The stator oil pipe (410) comprises a first connecting end (412) and a second connecting end (413), and a limiting block (414) is arranged on the circumferential side of the stator oil pipe (410) close to the second connecting end (413); The first shell (100) is provided with a connecting hole (108) and a first limiting piece (107), the connecting hole (108) is connected with the second connecting end (413), and the first limiting piece (107) is in limiting cooperation with the limiting block (414); The second shell (200) is provided with a second limiting piece (201), and the second limiting piece (201) is in limiting cooperation with the first connecting end (412).

10. The integrated power system of any one of claims 1-9, wherein, The stator (400) comprises three-phase wires (420), and the controller (800) comprises a plug-in end (810), and the three-phase wires (420) are electrically connected with the plug-in end (810).

11. The integrated power system of claim 10, wherein, The controller (800) is detachably fixedly connected with three-phase wire cover plates (820), and the three-phase wire cover plates (820) can cover the plug-in end (810); And / or, the first shell (100) and the second shell (200) are sealingly connected.

12. An automobile characterized by comprising: An integrated power system comprising any of the claims 1-11.

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