CN213717798U

CN213717798U - Integrated controller and motor two-in-one heat dissipation casing and driving assembly

Info

Publication number: CN213717798U
Application number: CN202022975246.4U
Authority: CN
Inventors: 廖春琴; 林英杰; 王武广
Original assignee: Xiamen Shituo Yuneng Technology Co Ltd
Current assignee: Xiamen Shituo Yuneng Technology Co Ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-16
Anticipated expiration: 2030-12-08

Abstract

The utility model relates to the technical field of motor heat dissipation, in particular to a heat dissipation casing and a drive assembly integrating a controller and a motor, wherein the heat dissipation casing integrating the controller and the motor comprises a casing body, a controller water channel and a motor water channel which are arranged inside the casing body and communicated through a cooling liquid transition flow channel; the shell body is also provided with a cooling liquid inlet and a cooling liquid outlet; the cooling liquid inlet is communicated with one end of the controller water channel, the cooling liquid outlet is communicated with one end of the motor water channel, and the controller water channel, the cooling liquid transition flow channel and the motor water channel are integrally communicated. The controller water channel, the cooling liquid transition flow channel and the motor water channel are integrally communicated, the integrated controller and the motor are cooled by water, the problem of water leakage of the cooling liquid is avoided, the generation of flowing vortex of the cooling liquid is reduced, the flowing resistance loss of the cooling liquid is reduced, and the whole cooling flowability is improved.

Description

Integrated controller and motor two-in-one heat dissipation casing and driving assembly

Technical Field

The utility model relates to a motor heat dissipation technical field, in particular to integrated control ware and two unification's of motor heat dissipation casing and drive assembly.

Background

The development of the existing new energy automobile and the development wave of the new energy electric automobile for environmental protection and energy conservation are out of gear, and become a worldwide trend. In the process of electromotion of the electric automobile, the two-in-one and even three-in-one driving system of the motor, the electric control and the gearbox has the advantages of high energy efficiency, small size, high reliability, low cost, reduced electromagnetic interference and the like, and is becoming a new round of major outbreak of the driving system of the electric automobile.

The motor and the integrated controller have power loss problem in the operation process, the loss is different under different working conditions, and the temperature rise of the motor and the integrated controller is also different. The motor and integrated controller water circuit is to ensure that enough cooling power is provided to prevent the motor and integrated controller from being over-heated under various working conditions, and therefore, the heat dissipation problem of the motor and integrated controller becomes more complicated. At present, the common connection mode for heat dissipation of the motor and the integrated controller is flexible connection or split connection, the flexible connection has the disadvantage of complex assembly procedures, and the split connection is that a heat dissipation water channel of the motor and a heat dissipation water channel of the integrated controller are independent from each other and are separately processed and formed and connected through a water pipe, so that the number of parts is increased, the cost is increased, and the heat dissipation water channel of the motor and the heat dissipation water channel of the integrated controller of the motor need to be connected through a sealing structure, so that the leakage risk exists; because the heat dissipation water channel of the motor and the water channel of the motor integrated controller are independent, the heat dissipation water channel and the water channel need to be assembled respectively and then combined together, and the space of the front cabin of the whole vehicle is occupied.

Although chinese patent publication No. CN208539732U discloses a common water channel structure for a driving motor and a controller for an automobile, there is still a problem that the assembly process of the heat dissipation mechanism of the motor and the integrated controller is complicated.

SUMMERY OF THE UTILITY MODEL

For solving the complicated not enough of motor and integrated controller heat dissipation mechanism assembly process among the above-mentioned prior art, the utility model provides a pair of integrated controller and two unification's of motor heat dissipation casing and drive assembly, the assembly is simple, avoids the heat dissipation water course of motor and integrated controller's the risk of revealing simultaneously.

The utility model provides a heat dissipation casing integrating an integrated controller and a motor, which comprises a casing body, a controller water channel and a motor water channel, wherein the controller water channel and the motor water channel are arranged in the casing body and are communicated through a cooling liquid transition flow channel; the shell body is also provided with a cooling liquid inlet and a cooling liquid outlet;

the cooling liquid inlet is communicated with one end of the controller water channel, the cooling liquid outlet is communicated with one end of the motor water channel, and the controller water channel, the cooling liquid transition flow channel and the motor water channel are integrally communicated.

Further, the casing body comprises a first casing and a second casing which are integrally formed, the first casing is arranged on the second casing, and the joint of the first casing and the second casing is provided with the cooling liquid transition flow channel.

Further, the controller water channel and the integrated controller are arranged in the first machine shell, one end of the controller water channel is connected with the cooling liquid inlet, and the other end of the controller water channel is connected with the cooling liquid transition flow channel.

Further, the cooling liquid inlet is arranged on the first machine shell.

Further, the motor water channel is arranged in the second machine shell, one end of the motor water channel is connected with the cooling liquid transition flow channel, and the other end of the motor water channel is connected with the cooling liquid outlet.

Further, the cooling liquid outlet is arranged on the second casing away from the cooling liquid transition flow passage.

Further, the second casing includes motor outer shell and motor inner shell, the motor inner shell with motor outer shell welded connection, the motor water course is located the motor outer shell with between the motor inner shell, the motor water course is the spiral water course.

Furthermore, a reversing groove for reversing the cooling liquid is arranged on the motor water channel.

Furthermore, a guide plate is arranged on the motor water channel.

The utility model also provides a drive assembly, including heat dissipation casing, integrated controller and motor, integrated controller with the motor is located the heat dissipation casing, the heat dissipation casing adopts as above arbitrary one an integrated controller and two unifications of motor heat dissipation casing.

Compared with the prior art, the integrated controller and motor two-in-one heat dissipation casing and driving assembly provided by the utility model has the advantages that the assembly is simple, the controller water channel and the motor water channel which are communicated through the cooling liquid transition flow channel are arranged in the integrated casing body, the controller water channel, the cooling liquid transition flow channel and the motor water channel are integrally communicated, and the integrated controller and the motor are cooled by water; meanwhile, the integrally communicated water channel avoids the problem of water leakage of the cooling liquid, and reduces the generation of flow vortex of the cooling liquid, thereby reducing the flow resistance loss of the cooling liquid and improving the whole cooling fluidity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a heat dissipation housing according to the present invention;

fig. 2 is a schematic structural diagram of a heat dissipation housing according to the present invention;

fig. 3 is a third schematic structural view of the heat dissipation housing provided by the present invention;

fig. 4 is a cross-sectional view of a second housing provided by the present invention;

fig. 5 is a schematic structural view of a water channel of a motor provided by the present invention;

fig. 6 is a schematic view of a coolant flow path provided by the present invention.

Reference numerals:

10 cabinet body 11 first cabinet 12 second cabinet

121 motor outer shell 122 motor inner shell 20 cooling liquid transition flow channel

21 cooling liquid inlet, 22 cooling liquid outlet, 30 controller water channel

40 water channel 41 reversing groove 42 flow guide plate of motor

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Fig. 1, fig. 2 and fig. 3 are schematic structural views of a heat dissipation housing provided by the present invention, as shown in fig. 1 to fig. 3, the present invention provides an integrated controller and motor two-in-one heat dissipation housing, which includes a housing body 10, and a controller water channel 30 and a motor water channel 10 that are arranged inside the housing body 10 and are communicated with each other through a coolant transition flow channel 20, wherein the housing body 10 is further provided with a coolant inlet 21 and a coolant outlet 22;

the coolant inlet 21 is communicated with one end of the controller water channel 30, the coolant outlet 22 is communicated with one end of the motor water channel 40, and the controller water channel 30, the coolant transition flow channel 20 and the motor water channel 40 are integrally communicated.

In specific implementation, as shown in fig. 1 to 3, the casing body is a heat dissipation casing integrating a controller and a motor, a controller water channel 30 and a motor water channel 40 which are communicated with each other through a coolant transition flow channel 20 are arranged inside the casing body, the controller water channel 30, the coolant transition flow channel 20 and the motor water channel 40 are integrally communicated, the coolant transition flow channel 20 arranged inside the casing body 10 enables the controller water channel 30 and the motor water channel 40 to be prevented from being connected in a split manner, the coolant transition flow channel 20 is also not connected with a hose, so that the assembly process is simplified, coolant flows inside the casing body 10, the integrity and the safety of coolant flow are improved, and the risk of coolant leakage is avoided.

The machine shell body 10 is also provided with a cooling liquid inlet 21 and a cooling liquid outlet 22, the cooling liquid inlet 21 is communicated with one end of the controller water channel 30, the other end of the controller water channel 30 is connected with the cooling liquid transition flow channel 20, one end of the motor water channel 40 is connected with the cooling liquid transition flow channel 20, and the other end of the motor water channel 40 is connected with the cooling liquid outlet 22; the coolant enters the controller water channel 30 from the coolant inlet 21 and flows through the controller water channel 30 to cool and radiate the integrated controller, and then enters the motor water channel 40 through the coolant flow channel 20 to flow in the motor water channel 40 to cool and radiate the motor.

As shown in fig. 1 and 2, the casing body 10 includes a first casing 11 and a second casing 12, the first casing 11 is disposed on the second casing 12, a coolant transition flow channel 20 is disposed at a joint of the first casing 11 and the second casing 12, specifically, the first casing 11 and the second casing 12 are integrally formed, in this embodiment, the first casing 11 may be square, the second casing 12 may be cylindrical, and the first casing 11 is disposed on an outer wall of the second casing 12.

As shown in fig. 1 and 2, the coolant inlet 21 is disposed at one side of the first housing 11, the controller water channel 30 and the integrated controller are disposed in the first housing 11, and coolant enters the controller water channel 30 from the coolant inlet 21 and flows through the controller water channel 30 to cool and dissipate heat of the integrated controller; one end of the controller water channel 30 is connected with the cooling liquid inlet 21, the other end of the controller water channel 30 is connected with the cooling liquid transition flow channel 20, and one end of the cooling liquid transition flow channel 20, which is far away from the cooling liquid inlet 21, is arranged at the bottom of the first machine shell 11;

as shown in fig. 1 and 2, the other end of the coolant transition flow channel 20 is opened on the side wall of the second housing 12, the motor water channel 40 is disposed in the second housing 12, one end of the motor water channel 40 is connected to the coolant transition flow channel 20, the other end of the motor water channel 40 is connected to the coolant outlet 22, the coolant outlet 22 is disposed on the second housing 12 away from the coolant transition flow channel 20, preferably, a protrusion is disposed on the outer wall of the second housing 12, the protrusion is connected to the bottom of the first housing 11, and the protrusion, the first housing 11 and the second housing 12 are integrally formed, so as to effectively prevent the coolant from leaking.

As shown in fig. 4, 5, and 6, the second housing 12 includes a motor outer shell 121 and a motor inner shell 122, in this embodiment, the motor inner shell 121 and the motor outer shell 122 are welded together, the motor is disposed inside the motor inner shell 122, the motor water channel 40 is disposed between the motor outer shell 121 and the motor inner shell 122, and the motor water channel 40 is a spiral water channel; in the traditional spiral water channel, as long as the positions of the water inlet and the water outlet are changed, the screw pitch and the angle of the spiral are changed, and the screw pitch and the angle of the water channel of the motor are approximately unchanged in the embodiment;

specifically, as shown in fig. 5 and 6, the motor water channel 40 includes a plurality of spiral rings, a reversing groove 41 and a guide plate 42 for reversing the cooling liquid are arranged on the motor water channel 40, the cooling liquid flows downward around the first spiral ring from the cooling liquid transition flow channel 20 under the influence of gravity, the reversing groove 41 is arranged at the end of the first spiral ring, the direction of the cooling liquid is changed, the cooling liquid flows to the cooling liquid outlet 22 around the second spiral ring and the subsequent spiral ring, water is discharged from the cooling liquid outlet 22 along a tangent line, and the cooling liquid outlet 22 is connected with the vehicle pipeline, so that the flow path of the cooling liquid is smooth;

preferably, because the high-voltage three-phase line of the integrated controller and the cooling liquid outlet 22 pipeline are designed to be avoided and winding is avoided, the reversing groove 41 enables the cooling liquid to be reversed and smoothly flow to the cooling liquid outlet 22 deviating from the integrated controller, the same side of the cooling liquid outlet 22 and the three-phase high-voltage line is avoided, and flow resistance loss is reduced;

the guide plate 42 can be arranged in the second spiral ring or the subsequent spiral ring, and the arrangement of the guide plate 42 can reduce the generation of vortex in the flowing process of the cooling liquid, thereby reducing the flow resistance loss and improving the integral fluidity of the cooling liquid.

Preferably, as shown in fig. 3, a controller cover plate is further disposed on the first housing 11, the controller cover plate is disposed on the top of the first housing 11 and connected to the first housing 11, and the controller cover plate can cover the integrated controller and controller water channel 30 to prevent dust from falling into the first housing 11.

Preferably, as shown in fig. 3, the second housing 12 is provided with an end cover and a junction box, the junction box is used for connecting the motor and the entire vehicle circuit, and the end cover is arranged on one side of the second housing 12 to cover the motor, so as to prevent dust from falling into the second housing 12.

The utility model also provides a drive assembly, including heat dissipation casing, integrated controller and motor, in heat dissipation casing was located to integrated controller and motor, heat dissipation casing adopted as above arbitrary one a heat dissipation casing of integrated controller and two unifications of motor.

The utility model provides a two unification's of integrated control ware and motor heat dissipation casing, casing body 10 integrated into one piece, casing body 10 includes first casing 11 and second casing 12, is equipped with controller water course 30 in the first casing 11, is equipped with motor water course 40 in the second casing 12, and controller water course 30 is linked together with motor water course 40 through coolant liquid transition runner 20, and coolant liquid transition runner 20 locates inside casing body 10, and controller water course 30, coolant liquid transition runner 20 and motor water course 40 are integrative to link up;

during actual installation, the integrated controller is installed in the first machine shell 11, the motor is installed in the second machine shell 12, when the motor and the integrated controller are cooled by water actually, cooling liquid flows through the controller water channel 30 from the cooling liquid inlet 21 and then enters the motor water channel 40 from the cooling liquid transition flow channel 20, and the cooling liquid is prevented from leaking due to the arrangement of the cooling liquid transition flow channel 20; then, the cooling liquid is reversed in the motor water channel 40 through the reversing groove 41 to continuously flow, and finally flows out of the cooling liquid outlet 22 to a whole vehicle pipeline, and the arrangement of the guide plate 42 in the motor water channel 40 also reduces the generation of vortex in the flowing process of the cooling liquid, so that the flow resistance loss is reduced, and the whole fluidity of the cooling liquid is improved.

Although terms such as a housing body, a first housing, a second housing, a coolant transition flow passage, a controller water passage, a motor water passage, a commutation groove, and a deflector are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a heat dissipation casing of integrated control ware and two unifications of motor which characterized in that: comprises a machine shell body (10), a controller water channel (30) and a motor water channel (40) which are arranged in the machine shell body (10) and communicated with each other through a cooling liquid transition flow channel (20); the machine shell body (10) is also provided with a cooling liquid inlet (21) and a cooling liquid outlet (22);

the cooling liquid inlet (21) is communicated with one end of the controller water channel (30), the cooling liquid outlet (22) is communicated with one end of the motor water channel (40), and the controller water channel (30), the cooling liquid transition flow channel (20) and the motor water channel (40) are integrally communicated.

2. The integrated controller and motor two-in-one heat dissipation casing of claim 1, wherein: the machine shell body (10) comprises a first machine shell (11) and a second machine shell (12) which are integrally formed, the first machine shell (11) is arranged on the second machine shell (12), and the connecting part of the first machine shell (11) and the second machine shell (12) is provided with the cooling liquid transition flow passage (20).

3. The integrated controller and motor two-in-one heat dissipation casing of claim 2, wherein: the controller water channel (30) and the integrated controller are arranged in the first machine shell (11), one end of the controller water channel (30) is connected with the cooling liquid inlet (21), and the other end of the controller water channel (30) is connected with the cooling liquid transition flow channel (20).

4. The integrated controller and motor two-in-one heat dissipation casing of claim 3, wherein: the cooling liquid inlet (21) is arranged on the first machine shell (11).

5. The integrated controller and motor two-in-one heat dissipation casing of claim 2, wherein: the motor water channel (40) is arranged in the second machine shell (12), one end of the motor water channel (40) is connected with the cooling liquid transition flow channel (20), and the other end of the motor water channel (40) is connected with the cooling liquid outlet (22).

6. The integrated controller and motor two-in-one heat dissipation casing of claim 5, wherein: the coolant outlet (22) is arranged on the second housing (12) facing away from the coolant transition channel (20).

7. The integrated controller and motor two-in-one heat dissipation casing of claim 5, wherein: second casing (12) include motor outer shell (121) and motor inner shell (122), motor inner shell (122) with motor outer shell (121) welded connection, motor water course (40) are located motor outer shell (121) with between motor inner shell (122), motor water course (40) are the spiral water course.

8. The integrated controller and motor two-in-one heat dissipation casing of claim 7, wherein: and a reversing groove (41) for reversing the cooling liquid is arranged on the motor water channel (40).

9. The integrated controller and motor two-in-one heat dissipation casing of claim 8, wherein: and a guide plate (42) is arranged on the motor water channel (40).

10. A drive assembly, characterized by: the integrated controller and the motor are arranged on the heat dissipation shell, and the heat dissipation shell integrates the integrated controller and the motor into a whole as described in any one of 1-9.