CN219181297U - Motor assembly and vehicle - Google Patents

Abstract

The utility model discloses a motor assembly and a vehicle, wherein the motor assembly comprises: a motor assembly; the automatically controlled subassembly, automatically controlled subassembly with motor element electricity is connected, automatically controlled subassembly includes: the intelligent electric energy storage device comprises a second shell, an IGBT module and an inductor, wherein the IGBT module and the inductor are arranged in the second shell and are mutually separated, a first cooling water channel is arranged in the second shell, heat dissipation areas are respectively arranged on two opposite sides of the first cooling water channel, and the IGBT module and the inductor are respectively arranged in the heat dissipation areas. The first cooling water channel is arranged in the second shell, and the IGBT module and the inductor are respectively arranged in the first radiating area and the second radiating area on two opposite sides of the first cooling water channel, so that heat can be radiated to the IGBT module and the inductor through the first cooling water channel.

Description

Motor assembly and vehicle

Technical Field

The utility model relates to the technical field of motor assemblies, in particular to a motor assembly and a vehicle.

Background

With the development of the current social technology, the electric automobile is more and more popular, the controller function of the electric automobile is more and more integrated, and the volume requirement is smaller and smaller.

In the related art, the functions of a vehicle controller are relatively single, the integration level is low, a driving motor and the controller of the driving motor are independent shells, the controller comprises an IGBT and an inductor, a plurality of water channels are respectively cooled by the IGBT and the inductor, the structure of the water channels is complex, and the occupied space is large; the water channels of the box bodies are independent and are connected with water channels such as water pipes, so that the occupied space is large, the occupied space is heavy, and the cost is high.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a motor assembly, a first cooling water channel is arranged in a second shell, and the IGBT module and the inductor are respectively arranged in a first heat dissipation area and a second heat dissipation area at two opposite sides of the first cooling water channel, so that heat dissipation can be carried out on the IGBT module and the inductor through the first cooling water channel at the same time.

The utility model further provides a vehicle.

An electric motor assembly according to an embodiment of the first aspect of the present utility model includes: a motor assembly; the automatically controlled subassembly, automatically controlled subassembly with motor element electricity is connected, automatically controlled subassembly includes: the IGBT module is arranged in the second shell and is mutually separated, a first cooling water channel is arranged in the second shell, a first heat dissipation area and a second heat dissipation area are formed on two opposite sides of the first cooling water channel, and the inductor and the IGBT module are respectively arranged in the first heat dissipation area and the second heat dissipation area.

According to the motor assembly provided by the embodiment of the utility model, the first cooling water channel is arranged in the second shell, and the IGBT module and the inductor are respectively arranged in the first heat dissipation area and the second heat dissipation area at two opposite sides of the first cooling water channel, so that heat dissipation can be carried out on the IGBT module and the inductor through the first cooling water channel.

According to some embodiments of the utility model, the second housing comprises: the IGBT module is arranged in the first shell, the inductor is arranged in the second shell, and the first cooling water channel is arranged in the bottom plate.

According to some embodiments of the utility model, the electronic control assembly further comprises: the heat conduction cover plate is arranged on one side of the bottom plate, which faces the second shell, and one side of the heat conduction cover plate is in contact with the inductor and the other side of the heat conduction cover plate is communicated with the first cooling water channel.

According to some embodiments of the utility model, the base plate further comprises: the guide bulge is arranged in the first cooling water channel and corresponds to the heat conduction cover plate, and the guide bulge protrudes towards the heat conduction cover plate.

According to some embodiments of the utility model, the first cooling water channels are a plurality of, and the plurality of first cooling water channels are arranged on the bottom plate at intervals; the electronic control assembly further comprises: the control valve is used for controlling the opening and closing of the first cooling water channel.

According to some embodiments of the present utility model, the number of the IGBT modules is at least two, the at least two IGBT modules are arranged on the bottom plate at intervals, at least one inductor is correspondingly arranged on the at least two IGBT modules, and the at least one inductor is arranged in the first heat dissipation area.

According to some embodiments of the utility model, the electronic control assembly further comprises: the inductance shell, at least one inductance all set up in the inductance shell, the inductance shell set up in first heat dissipation region.

According to some embodiments of the utility model, the electronic control assembly further comprises: the first capacitors are arranged in the first shell and are arranged at intervals with the IGBT modules, and at least two IGBT modules are provided with at least one first capacitor.

According to some embodiments of the utility model, at least two side channels are disposed in the first housing, wherein the two side channels are separately disposed on two sides of the first cooling water channel, and a third heat dissipation area is formed, and each first capacitor is disposed in the third heat dissipation area.

According to some embodiments of the utility model, the electronic control assembly further comprises: the filter, the filter set up in the second casing and set up in one side of inductance, the filter includes: the heat dissipation device comprises at least two second capacitors and at least two magnetic rings, wherein one magnetic ring is clamped in one second capacitor, the other magnetic ring is arranged on the outer side of one second capacitor, and the two second capacitors are arranged in the first heat dissipation area.

According to some embodiments of the utility model, the first water inlet of the first cooling gallery is lower than the first water outlet of the first cooling gallery in an up-down direction.

According to some embodiments of the utility model, the first water inlet of the first cooling water channel and the first water outlet of the first cooling water channel are arranged in a staggered manner in the front-rear direction.

According to some embodiments of the utility model, a second cooling water channel is further provided in the second housing, the second cooling water channel being for dissipating heat from the motor assembly and communicating with the first cooling water channel.

According to some embodiments of the utility model, the motor assembly further comprises: a first housing, the first housing comprising: the motor comprises a first cavity and a second cavity, wherein the first cavity and the second cavity are mutually separated, the motor assembly is arranged in the first cavity, and the electric control assembly is arranged in the second cavity.

A vehicle according to an embodiment of the second aspect of the utility model includes the motor assembly.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic structural view of a motor assembly according to an embodiment of the present utility model;

FIG. 2 is a top view of an electronic control assembly according to an embodiment of the present utility model;

FIG. 3 is an exploded view of an electronic control assembly according to an embodiment of the present utility model;

fig. 4 is a vertical cross-sectional view of an electronic control assembly according to an embodiment of the present utility model;

FIG. 5 is a cross-sectional view of a second housing in a horizontal plane according to an embodiment of the present utility model;

fig. 6 is a sectional view of the second housing in a vertical direction according to an embodiment of the present utility model.

Reference numerals:

100. a motor assembly;

10. a first housing; 11. a first cavity; 12. a second cavity;

30. an electrical control assembly; 31. a second housing; 311. a bottom plate; 312. a first housing; 313. a second housing; 314. a thermally conductive cover plate; 315. a flow guiding protrusion; 316. a first cooling water channel; 316a, a first water inlet; 316b, a first water outlet; 317. a side flow channel; 318. a second water inlet; 319. a second water outlet; 32. an IGBT module; 33. an inductance; 34. a circuit board; 35. a shielding plate; 36. a first capacitor; 37. a filter; 371a, X capacitance; 371b, Y capacitance; 372a, a first magnetic ring; 372b, a second magnetic ring; 381. safety; 382. a safety seat; 391. a hall sensor; 392. an electrical connection.

Detailed Description

Embodiments of the present utility model will be described in detail below, by way of example with reference to the accompanying drawings.

Referring now to fig. 1-6, a motor assembly 100 according to an embodiment of the present utility model is described, and a vehicle having the motor assembly 100 is also provided.

As shown in fig. 1 to 6, a motor assembly 100 according to an embodiment of the present utility model includes: a first housing 10, a motor assembly and an electrical control assembly 30, the first housing 10 comprising: the first cavity 11 and the second cavity 12 are mutually separated, the motor component is arranged in the first cavity 11, and the electric control component 30 is arranged in the second cavity 12 and is electrically connected with the motor component. In this way, the electronic control assembly 30 is disposed in the first cavity 11, so that the electronic control assembly 30 and the motor assembly can share a housing, which can reasonably utilize the space of the first housing 10 and reduce the occupied space of the motor assembly 100.

Specifically, the electronic control assembly 30 includes: the second housing 31, the second housing 31 is disposed in the second chamber 12. Wherein some electrical control elements may be provided in the second housing 31, by fixing the second housing 31 in the second cavity 12, it is achieved that the electrical control assembly 30 and the motor assembly share one first housing 10.

And, the motor assembly and the electronic control assembly 30 share a first housing 10, the electronic control assembly 30 may not be sealed, and thus a sealing structure on the electronic control assembly 30 may be omitted.

Therefore, the motor assembly and the electric control assembly 30 share the first housing 10, so that the space of the first housing 10 can be reasonably utilized, the electric control assembly 30 can be not sealed, and a sealing structure on the electric control assembly 30 can be omitted.

Specifically, the electronic control assembly 30 further includes: the IGBT module 32 and the inductor 33, the IGBT module 32 and the inductor 33 are each disposed in the second housing 31 and are spaced apart from each other. Among them, the IGBT module 32 is one of the most core important components in the variable frequency power supply, plays a very important role in the variable frequency power supply, and the IGBT module 32 plays a role in converting direct current into alternating current for the motor. The IGBT module 32 has the characteristics of high reliability, simple driving, easy protection, and high switching frequency, and does not need a snubber circuit, and in general, can obtain currents of different frequencies by developing high-voltage IGBTs of high voltage, large current, and high frequency.

And, a first cooling water channel 316 is provided in the second housing 31, and a first heat dissipation area and a second heat dissipation area are formed on opposite sides of the first cooling water channel 316, and the IGBT module 32 and the inductor 33 are respectively provided in the first heat dissipation area and the second heat dissipation area. That is, the first cooling water passage 316 is provided on the second housing 31, wherein since the IGBT module 32 and the inductor 33 are spaced apart from each other and the IGBT module 32 and the inductor 33 are respectively provided in the first heat dissipation area and the second heat dissipation area formed at opposite sides of the first cooling water passage 316, the IGBT module 32 and the inductor 33 can be simultaneously dissipated through the first cooling water passage 316, so that the structural space of the second housing 31 can be saved.

The second housing 31 is provided with a second water inlet 318 and a second water outlet 319, wherein the cooling liquid enters the first cooling water channel 316 from the second water inlet 318 and flows out from the second water outlet 319.

Thereby, the first cooling water passage 316 is provided in the second housing 31, and the IGBT module 32 and the inductor 33 are provided at opposite sides of the first cooling water passage 316, so that heat can be radiated to the IGBT module 32 and the inductor 33 simultaneously through the first cooling water passage 316, thereby saving the structural space of the second housing 31.

As shown in fig. 4 and 6, the second housing 31 includes: the base plate 311, the first housing 312 and the second housing 313 are disposed on two sides of the base plate 311, the IGBT module 32 is disposed in the first housing 312, the inductor 33 is disposed in the second housing 313, and the first cooling water channel 316 is disposed in the base plate 311. In this way, the second housing 31 is divided into the bottom plate 311, the first case 312, and the second case 313, and the first case 312 and the second case 313 are separated from each other by the bottom plate 311, so that the IGBT module 32 and the inductor 33 can be separated, and the IGBT module 32 and the inductor 33 are not in one chamber, so that radiation interference can be reduced.

In addition, the bottom plate 311, the first housing 312 and the second housing 313 may be integrally formed, which may facilitate the formation of the second housing 31 and provide a higher structural strength after the formation of the second housing 31.

And, as shown in fig. 3 and 4, the electronic control assembly 30 further includes: the circuit board 34 and the shielding plate 35, the circuit board 34 and the shielding plate 35 are arranged in the first shell 312, the shielding plate 35 is clamped between the circuit board 34 and the IGBT module 32, and the shielding plate 35 is arranged on one side, away from the inductor 33, of the IGBT module 32, and the circuit board 34 is electrically connected with the IGBT module 32. Wherein, the electronic control assembly 30 includes: the circuit board 34, the igbt module 32 and the circuit board 34 are electrically connected, and the circuit board 34 may also be electrically connected to the motor assembly, so that the operating parameters of the motor assembly, such as the on-off of the motor assembly and the rotational speed of the motor assembly, may be controlled by the circuit board 34. And, be provided with shielding plate 35 between circuit board 34 and IGBT module 32, wherein, shielding plate 35 can shield the radiation that IGBT module 32 produced, avoids the radiation conduction to circuit board 34, influences the normal operating of circuit board 34.

Also, the circuit board 34 is disposed toward the bottom wall of the second cavity 12 such that the circuit board 34 is closer to the motor assembly, thereby facilitating control of the motor assembly by the circuit board 34. And, the circuit board 34 is disposed at the lowermost end of the second chamber 12, so that the circuit board 34 is prevented from being soaked by the condensed water when the motor assembly 100 is poorly sealed.

As shown in fig. 3 and 4, the number of IGBT modules 32 may be at least two, where at least two IGBT modules 32 are disposed at intervals on the bottom plate 311, and at least one inductor 33 is disposed corresponding to at least two IGBT modules 32, and at least one inductor 33 is disposed in the first heat dissipation area. That is, at least two IGBT modules 32 are provided in the electronic control assembly 30, so that the space of the first housing 312 can be reasonably utilized. In addition, at least two IGBT modules 32 are electrically connected to at least one inductor 33, so that one inductor 33 can be shared, and thus the space of the first housing 312 can be effectively utilized. And, at least one inductor 33 is disposed in the first heat dissipation area, so that the first cooling water channel 316 can dissipate heat from at least one inductor 33 at the same time.

And, at least two IGBT modules 32 are disposed on the same circuit board 34, so that at least two IGBT modules 32 can share one circuit board 34, and thus the space of the first housing 312 can be also effectively utilized.

Specifically, at least two IGBT modules 32 may be disposed at intervals in the left-right direction.

Furthermore, the electronic control assembly 30 further includes: the inductor housing, at least one inductor 33 is disposed in the inductor housing, and the inductor housing is disposed in the first heat dissipation area. That is, the inductor housing may encapsulate at least one inductor 33, so that the inductor 33 may be protected by the inductor housing, and electromagnetic interference of the outside to the inductor 33 may be isolated by the inductor housing. And the inductor housing is arranged in the first heat dissipation area, so that at least one inductor 33 in the inductor housing can exchange heat with the first cooling water channel 316, and the temperature of the inductor 33 can be controlled conveniently.

As shown in fig. 2 and 3, the electronic control assembly 30 further includes: the first capacitor 36, the first capacitor 36 is disposed in the first housing 312, and the first capacitor 36 and the at least two IGBT modules 32 are disposed at intervals, and the at least two IGBT modules 32 are provided with at least one first capacitor 36. That is, the first capacitors 36 are disposed within the first housing 312, and at least one first capacitor 36 may be configured to electrically connect with the IGBT module 32, wherein the first capacitor 36 may be configured to perform a filtering function, thereby ensuring that the electronic control assembly 30 may operate properly. The first capacitor 36 may be one or two. When the first capacitor 36 is one, the first capacitor 36 includes a capacitor housing and at least two sub-capacitors located in the capacitor housing, where each sub-capacitor corresponds to the number of IGBT modules 32. When the number of the first capacitors 36 is two, each first capacitor 36 corresponds to the number of the IGBT modules 32 one by one.

The inductor 33 and the first capacitor 36 together form a filter circuit. Specifically, the first capacitor 36 has the characteristic of "blocking direct current and alternating current", while the inductor 33 has the function of "blocking direct current and alternating current", if direct current accompanied by a plurality of interference signals passes through the filter circuit, the alternating current interference signals are changed into heat energy by the inductor 33 to be consumed, and then, when relatively pure direct current passes through the inductor 33, the alternating current interference signals are changed into magnetic induction and heat energy, and the frequency is higher, so that the interference signals with higher frequency can be restrained.

In addition, as shown in connection with fig. 2 and 3, the electronic control assembly 30 includes: hall sensor 391 and electrical connection 392, hall sensor 391 and IGBT module 32 are all fixed in first shell 10, and hall sensor 391 is worn to establish by electrical connection 392 to hall sensor 391 and IGBT module 32 are connected to the electrical connection 392 electricity. The hall sensor 391 is electrically connected with the IGBT module 32, and the electric connector 392 is threaded through the hall sensor 391, so that when the electric connector 392 has a current passing through, the hall sensor 391 can monitor the current on the electric connector 392, that is, can obtain the output current of the electric control assembly 30 through the hall sensor 391.

Wherein, the electrical connector 392 may be a three-phase copper bar.

The parts in the first shell 312 are assembled as follows, at least two IGBT modules 32 are assembled with the hall sensor 391 and the electrical connector 392, then the IGBT module 32 assemblies are mounted on the first shell 312 in an inclined manner, at least two IGBT modules 32 are arranged in series, then the first capacitor 36 is placed in the first shell 312, four bolts at the back of the first capacitor 36 are pre-tightened, and then bolts at two sides of the first capacitor 36 are mounted, so that the back of the first capacitor 36 is tightly attached to the first shell 312 to meet the heat dissipation requirement; then, four support columns are installed, one end of the shielding plate 35 is fixed on the support columns, and the other end of the shielding plate is fixed on the first shell 312; the circuit board 34 is mounted on the shielding plate 35; and finally, the lower cover is assembled.

Furthermore, as shown in fig. 2 and 4, the electronic control assembly 30 further includes: a filter 37, the filter 37 being disposed in the second housing 313, and the filter 37 being disposed on one side of the inductor 33, the filter 37 comprising: at least two second electric capacity and at least two magnetic ring, one of them magnetic ring presss from both sides and establishes in one of them second electric capacity, and another magnetic ring sets up in the outside of one of them second electric capacity, and two second electric capacities all set up in first heat dissipation area. Wherein, two second capacitors are respectively an X capacitor 371a and a Y capacitor 371b. In this way, the filter 37 is formed by combining the first magnetic ring 372a, the second magnetic ring 372b, the X capacitor 371a and the Y capacitor 371b, and the filter 37 and the side wall of the first housing 312 form an isolation cavity, so that direct-current side radiation can be shielded. Specifically, the filter 37 is an LCL circuit structure filter 37, which absorbs ripple current, and is provided with an X capacitor 371a and a Y capacitor 371b for differential common mode filtering.

As shown in fig. 2 and 4, the electronic control assembly 30 further includes: the insurance 381 and the insurance seat 382, the insurance 381 is disposed in the insurance seat 382, and the insurance seat 382 is disposed on the other side of the inductor 33. In which, when the electronic control assembly 30 malfunctions or is abnormal, the current is increased, and the increased current may damage the electronic control assembly 30 or even cause a fire. Thus, the safety 381 is arranged in the electric control assembly 30, so that the safety 381 can be automatically fused to cut off the current when the current abnormally rises to a certain height and heat, thereby playing a role in protecting the safe operation of the electric control assembly 30. The safety 381 is disposed in the safety seat 382, and the safety seat 382 is fixed to the first housing 312, so that the safety 381 can be fixed.

The parts in the second housing 313 are assembled as follows, and the magnetic ring 372 fixing base, the inductor 33, and the safety seat 382 can be assembled outside: the safety seat 382 is provided with the safety 381, the adapter plate is arranged on the fixing seat of the magnetic ring 372, the connecting copper bars of the fixing seat of the magnetic ring 372 and the safety seat 382 are respectively connected with the connecting copper bars of the inductor 33, then the whole body is arranged in the second shell 313, finally the two positive copper bars of the safety seat 382 are connected with the positive input terminal of the capacitor, the negative copper bars of the fixing seat of the magnetic ring 372 are connected with the negative output terminal of the capacitor, and finally the upper cover is arranged.

The motor assembly 100 further includes: the dc bus is disposed in the first housing 10, and is electrically connected to the electronic control assembly 30, and the motor assembly 100 further includes: a low voltage connector is provided to the first housing 10, and the low voltage connector is electrically connected to the electronic control assembly 30. That is, the dc bus and the low voltage connector are provided on the first housing 10, so that the mounting positions of the connectors such as the dc bus and the low voltage connector are moved to the first housing 10, saving the space of the motor assembly 100 and facilitating the arrangement of the electronic control assembly 30.

The electric control assembly 30 is installed in the first housing 10 from top to bottom, after the electric control assembly 30 is installed, the dc bus is connected to the electric control assembly 30 from the opening of the side wall of the first housing 10, and the low-voltage connector is required to be assembled on the first housing 10 before the electric control assembly 30 is installed, and then the electric control assembly 30 is connected to the jack of the electric control adapter plate after the electric control assembly 30 is installed.

Wherein the first cooling water channel 316 is disposed in the bottom plate 311. In this way, the inductor 33 and the IGBT module 32 are disposed on two sides of the bottom plate 311, and the first cooling water channel 316 is disposed in the bottom plate 311, so that the inductor 33 and the IGBT module 32 are disposed on two sides of the first cooling water channel 316, so that the inductor 33 and the IGBT module 32 can share the first cooling water channel 316, thereby simultaneously realizing heat dissipation of the inductor 33 and the IGBT module 32.

And, as shown in fig. 4 and 6, the electronic control assembly 30 includes: the heat conduction cover plate 314, the heat conduction cover plate 314 sets up in the bottom plate 311 towards the side of second casing 313, and the one side of heat conduction cover plate 314 and inductance 33 contact to heat conduction cover plate 314 opposite side and first cooling water course 316 intercommunication. That is, the heat conductive cover plate 314 is disposed on the bottom plate 311, wherein one side of the heat conductive cover plate 314 is communicated with the first cooling water channel 316, that is, when the cooling liquid circulates in the first cooling water channel 316, the cooling liquid can continuously exchange heat with the heat conductive cover plate 314, and the other side of the heat conductive cover plate 314 is in contact with the heat conductive cover plate 314, so that the contact area between the inductor 33 and the first cooling water channel 316 can be increased, and thus the heat dissipation efficiency of the inductor 33 can be increased.

Wherein, heat conduction silicone grease can be smeared between the inductor 33 and the heat conduction cover plate 314, so that heat exchange between the inductor 33 and the heat conduction cover plate 314 can be facilitated.

Further, the heat conductive cover plate 314 is welded to the bottom plate 311 by friction welding.

And, at the bottom plate 311, further includes: the guiding protrusion 315, the guiding protrusion 315 is disposed in the first cooling water channel 316, and the guiding protrusion 315 corresponds to the heat conducting cover 314, and the guiding protrusion 315 protrudes toward the heat conducting cover 314. Wherein, set up water conservancy diversion arch 315 in first cooling water course 316 to water conservancy diversion arch 315 is towards heat conduction apron 314 protrusion, makes the coolant liquid when flowing through water conservancy diversion arch 315 like this, and the coolant liquid can flow towards heat conduction apron 314 to make coolant liquid and heat conduction apron 314 fully contact, thereby promote the heat exchange efficiency between coolant liquid and the heat conduction apron 314.

Wherein, the first cooling water channels 316 may be a plurality of, a plurality of first cooling water channels 316 are disposed at intervals on the bottom plate 311, and the electronic control assembly 30 further includes: at least one control valve corresponds to the at least one first cooling water channel 316, and the control valve is used for controlling the opening and closing of the first cooling water channel 316. That is, a plurality of first cooling water passages 316 are provided on the bottom plate 311, and a control valve is provided in at least one first cooling water passage 316, so that the opening and closing of the first cooling water passage 316 can be controlled by the control valve, thereby enabling heat exchange to be performed at different positions of the bottom plate 311. That is, when the temperature of a certain area on the bottom plate 311 is less than the temperature required to be reduced, the first cooling water channel 316 of the area can be controlled to be closed, so that the effect of saving energy can be achieved.

At least two side channels 317 are disposed in the first housing 312, wherein the two side channels 317 are disposed on two sides of the first cooling water channel 316, a third heat dissipation area is formed between the two side channels 317, and each first capacitor 36 is disposed in the third heat dissipation area. That is, the side flow channels 317 are provided on the left and right sides of the first capacitor 36, and a third heat dissipation area may be formed between the two flow channels 317, and the first capacitor 36 is disposed in the third heat dissipation area, and heat dissipation is performed to the first capacitor 36 through the third heat dissipation area, so that the side flow channels 317 and the first cooling water channel 316 may be reasonably utilized.

Wherein, in the up-down direction, the first water inlet 316a of the first cooling water channel 316 is lower than the first water outlet 316b of the first cooling water channel 316. So set up, first water inlet 316a is less than first delivery port 316b for the coolant liquid is when entering into first cooling water course 316, must fill first cooling water course 316 can follow first delivery port 316b and flow, enables first cooling water course 316 to have sufficient space to hold water like this, discharges after the water holds full again, thereby has guaranteed the radiating effect of IGBT module 32 and inductance 33.

As shown in fig. 5, the first water inlet 316a of the first cooling water channel 316 and the first water outlet 316b of the first cooling water channel 316 are offset in the front-rear direction. That is, the first water inlet 316a and the first water outlet 316b are disposed in a staggered manner in the front-rear direction, so that the first cooling water channel 316 does not extend completely along the left-right direction on the bottom plate 311, but is partially bent, so that the extending length of the first cooling water channel 316 in the bottom plate 311 can be increased, and the heat dissipation effect of the IGBT module 32 and the inductor 33 can be increased.

Wherein, still be provided with the second cooling water course in the second shell 31, the second cooling water course is used for giving motor assembly heat dissipation to the second cooling water course communicates with first cooling water course. In this way, the second cooling water passage for radiating heat of the motor assembly is provided on the first casing 10, and the second cooling water passage is communicated with the first cooling water passage 316, so that the cooling liquid can circulate in the first cooling water passage 316 and the second cooling water passage, thereby making it possible to reasonably utilize the structure of the first casing 10.

In addition, when the temperature is lower in winter, the cooling liquid can also absorb the heat generated by the motor assembly during operation and is conveyed to the electric control assembly 30 through the second cooling flow passage and the first cooling water passage 316, so that the electric control assembly 30 is preheated, and the electric control assembly 30 is further operated in the upper optimal working temperature range.

A vehicle according to an embodiment of the second aspect of the utility model includes a motor assembly 100.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (15)

1. An electric motor assembly, comprising:

a motor assembly;

the automatically controlled subassembly, automatically controlled subassembly with motor element electricity is connected, automatically controlled subassembly includes: the IGBT module is arranged in the second shell and is mutually separated, a first cooling water channel is arranged in the second shell, a first heat dissipation area and a second heat dissipation area are formed on two opposite sides of the first cooling water channel, and the inductor and the IGBT module are respectively arranged in the first heat dissipation area and the second heat dissipation area.

2. The motor assembly of claim 1, wherein the second housing comprises: the IGBT module is arranged in the first shell, the inductor is arranged in the second shell, and the first cooling water channel is arranged in the bottom plate.

3. The motor assembly of claim 2, wherein the electronic control component further comprises: the heat conduction cover plate is arranged on one side of the bottom plate, which faces the second shell, and one side of the heat conduction cover plate is in contact with the inductor and the other side of the heat conduction cover plate is communicated with the first cooling water channel.

4. The motor assembly of claim 3, wherein the base plate further comprises: the guide bulge is arranged in the first cooling water channel and corresponds to the heat conduction cover plate, and the guide bulge protrudes towards the heat conduction cover plate.

5. The electric machine assembly of claim 2, wherein the first cooling water channels are a plurality of, the plurality of first cooling water channels being spaced apart on the base plate;

the electronic control assembly further comprises: the control valve is used for controlling the opening and closing of the first cooling water channel.

6. The motor assembly of claim 2, wherein the number of the IGBT modules is at least two, the at least two IGBT modules are arranged on the bottom plate at intervals, the at least two IGBT modules are correspondingly provided with at least one inductor, and the at least one inductor is arranged in the first heat dissipation area.

7. The motor assembly of claim 6, wherein the electronic control component further comprises: the inductance shell, at least one inductance all set up in the inductance shell, the inductance shell set up in first heat dissipation region.

8. The motor assembly of claim 6, wherein the electronic control component further comprises: the first capacitors are arranged in the first shell and are arranged at intervals with the IGBT modules, and at least two IGBT modules are provided with at least one first capacitor.

9. The motor assembly of claim 8, wherein at least two side channels are disposed in the first housing, wherein two side channels are disposed on two sides of the first cooling water channel, and a third heat dissipation area is formed, and each of the first capacitors is disposed in the third heat dissipation area.

10. The motor assembly of claim 2, wherein the electronic control component further comprises: the filter, the filter set up in the second casing and set up in one side of inductance, the filter includes: the heat dissipation device comprises at least two second capacitors and at least two magnetic rings, wherein one magnetic ring is clamped in one second capacitor, the other magnetic ring is arranged on the outer side of one second capacitor, and the two second capacitors are arranged in the first heat dissipation area.

11. The motor assembly of claim 1, wherein the first water inlet of the first cooling water channel is lower than the first water outlet of the first cooling water channel in an up-down direction.

12. The motor assembly of claim 1, wherein the first water inlet of the first cooling water channel and the first water outlet of the first cooling water channel are offset in a front-to-rear direction.

13. The electric machine assembly of claim 2, wherein a second cooling water channel is further disposed within the second housing, the second cooling water channel being configured to dissipate heat from the electric machine component and in communication with the first cooling water channel.

14. The motor assembly of claim 1, further comprising: a first housing, the first housing comprising: the motor comprises a first cavity and a second cavity, wherein the first cavity and the second cavity are mutually separated, the motor assembly is arranged in the first cavity, and the electric control assembly is arranged in the second cavity.

15. A vehicle, characterized by comprising: the motor assembly of any one of claims 1-13.

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