CN220915155U - Motor controller power module, motor and vehicle - Google Patents

Abstract

The present disclosure belongs to the technical field of motor control equipment, and specifically discloses a motor controller power module, a motor and a vehicle, wherein the motor controller power module includes a heat dissipation component and a plurality of power modules, the heat dissipation component includes a mounting frame, the mounting frame has a plurality of mounting positions, the power module is connected to the mounting frame, and the plurality of power modules correspond to the plurality of mounting positions one by one. The motor controller power module disclosed in the present disclosure can reduce the volume of the module.

Description

Motor controller power module, motor and vehicle

Technical Field

The disclosure belongs to the technical field of motor control equipment, and particularly relates to a motor controller power module, a motor and a vehicle.

Background

The power module is a core device for realizing the function of the motor controller, and mainly has the function of converting direct current input from the outside into three-phase alternating current output through an ordered switch of an internal transistor.

Disclosure of Invention

The present disclosure aims to solve, at least to some extent, one of the technical problems in the related art. For this reason, embodiments of the present disclosure provide a motor controller power module that can reduce the volume of the module.

The embodiment of the disclosure also provides a motor.

Embodiments of the present disclosure also provide a vehicle.

The motor controller power module of the embodiment of the disclosure comprises: the heat dissipation assembly comprises a mounting frame, wherein the mounting frame is provided with a plurality of mounting positions; the power modules are connected with the mounting frame and correspond to the mounting positions one by one.

The motor controller power module of the embodiment of the disclosure can reduce the volume of the module.

In some embodiments, the heat dissipating assembly further comprises a heat sink attached to the mounting bracket and located on a side of the mounting bracket facing away from the power module, the heat sink configured to contact a cooling medium.

In some embodiments, the motor controller power module further comprises a seal member connected to the mounting frame, the seal member is located on a side of the mounting frame facing away from the power module, and the seal member surrounds the periphery of the heat sink.

In some embodiments, the power module includes a module body and a heat conductive plate, one side of the heat conductive plate is connected to the module body, and the other side of the heat conductive plate is connected to the mounting bracket.

In some embodiments, the power module further comprises a module body and an electrical connector disposed on a side of the module body, the electrical connector comprising a first section and a second section connected to each other, the first section connected to the module body and extending in a direction perpendicular to a height of the module body, the second section extending in the direction of the height of the module body.

In some embodiments, the electrical connector includes an opening at the junction of the first and second segments.

In some embodiments, the second section has a plurality of connection pins thereon, a plurality of the connection pins being for connection with an external electrical component, the plurality of connection pins being spaced apart.

In some embodiments, the power module further includes a circuit board, the power module further includes a plurality of signal pins extending along a height direction of the module body, and a plurality of signal pins are arranged at intervals along a width direction of the module body, and the circuit board is connected with the signal pins.

The motor of the embodiment of the disclosure comprises a motor controller, wherein a power module is arranged in the motor controller, and the power module is the motor controller power module according to any one of the embodiments.

The vehicle of the embodiment of the disclosure includes the motor controller power module according to any one of the embodiments, or the motor according to the embodiment.

Drawings

Fig. 1 is a schematic structural diagram of a motor controller power module according to an embodiment of the disclosure, and includes a circuit board.

Fig. 2 is a schematic structural diagram of a power module of a motor controller according to an embodiment of the disclosure, and does not include a circuit board.

Fig. 3 is a schematic diagram of a motor controller power module according to another embodiment of the disclosure, and does not include a circuit board.

Fig. 4 is a schematic structural view of a mounting bracket of an embodiment of the present disclosure.

Fig. 5 is a bottom view of a mounting bracket of an embodiment of the present disclosure.

Fig. 6 is a schematic structural diagram of a power module according to an embodiment of the present disclosure.

Fig. 7 is a schematic diagram of a power module according to another embodiment of the present disclosure.

Reference numerals:

the heat sink assembly 100, the power module 200,

A mounting frame 1, a mounting position 11, a connecting column 12,

The heat sink 2 is provided with a heat sink,

A module body 3, a heat conducting plate 4, an output copper bar 5,

Input copper bar 6, first section 61, second section 62, pressure relief vent 63, connection pin 64, signal pin 65,

A circuit board 7, a seal 8.

Detailed Description

Embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings, are described in detail below. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present disclosure and are not to be construed as limiting the present disclosure.

As shown in fig. 1 to 7, a power module of a motor controller according to an embodiment of the disclosure includes a heat dissipation assembly 100 and a plurality of power modules 200, the heat dissipation assembly 100 includes a mounting frame 1, the mounting frame 1 has a plurality of mounting positions 11 thereon, the power modules 200 are connected with the mounting frame 1, and the plurality of power modules 200 are in one-to-one correspondence with the plurality of mounting positions 11.

Specifically, as shown in fig. 1 to 5, a plurality of mounting positions 11 are sequentially arranged on the mounting frame 1 from left to right, for example, the number of the mounting positions 11 is three, the number of the power modules 200 is also three, and three power modules 200 are mounted in the three mounting positions 11 in a one-to-one correspondence.

It should be noted that, the power module 200 may be fixed to the mounting frame 1 by welding or sintering. The welding or sintering manner may improve production efficiency and connection stability compared to the related art in which the power module 200 is fixed by a press block and a bolt.

The motor controller power module according to the embodiment of the disclosure, by arranging one heat dissipation assembly 100 and fixing a plurality of power modules 200 on one mounting frame 1, compared with a plurality of independent power modules 200 in the related art, the number and the volume of the heat sinks can be reduced, and the volume of the whole power module can be reduced.

In some embodiments, the heat dissipating assembly 100 further includes a heat sink 2, the heat sink 2 being connected to the mounting frame 1, and the heat sink 2 being located on a side of the mounting frame 1 facing away from the power module 200, the heat sink 2 being configured to be in contact with a cooling medium.

Specifically, as shown in fig. 3, the power module 200 is located at the upper end of the mounting frame 1, the heat dissipation fins 2 are located at the lower end of the mounting frame 1, the number of the heat dissipation fins 2 is multiple, the heat dissipation fins 2 are arranged in a matrix, the heat dissipation fins 2 enclose multiple heat dissipation areas, and the multiple heat dissipation areas are in one-to-one correspondence with the multiple power modules 200.

For example, if the number of the power modules 200 is three, the number of the heat dissipation areas is three, and the three power modules 200 are in one-to-one correspondence with the three heat dissipation areas and are oppositely arranged in the up-down direction. The heat sink 2 may be partially or entirely immersed in a cooling medium, which may be a cooling liquid. The cooling medium flows through the cooling fin 2 to take away the heat generated in the working process of the power module 200, so as to realize module heat dissipation and prevent the power module failure caused by over-temperature of the chips in the module.

In some embodiments, the power module 200 includes a module body 3 and a heat conductive plate 4, one side of the heat conductive plate 4 is connected to the module body 3, and the other side of the heat conductive plate 4 is connected to the mounting frame 1.

Specifically, as shown in fig. 6 and 7, the heat conducting plate 4 is provided at the lower end surface of the module body 3, that is, the heat conducting plate 4 is located between the mounting frame 1 and the module body 3, and the heat conducting plate 4 can transfer heat generated by the module body 3 to the mounting frame 1.

Optionally, the mounting frame 1 may be further provided with a connecting plate contacting with the heat conducting plate 4, or a boss contacting with the heat conducting plate 4 is provided on the mounting frame 1, and the contact area between the module body 3 and the mounting frame 1 may be increased through the connecting plate and the boss, so as to improve the heat conducting effect.

In some embodiments, the power module further comprises a module body 3 and an electrical connection member disposed on a side of the module body 3, the electrical connection member comprising a first section 61 and a second section 62 connected to each other, the first section 61 being connected to the module body 3 and extending in a height direction perpendicular to the module body 3, the second section 62 extending in the height direction of the module body 3.

It should be noted that, the electrical connector may include an output copper bar 5 and a plurality of input copper bars 6, where the output copper bar 5 and the input copper bars 6 are respectively connected with the module body 3, the module body 3 has a dc side and an ac side, the output copper bar 5 is located at the ac side, and the input copper bar 6 is located at the dc side.

The output copper bars 5 and the input copper bars 6 are oppositely arranged in the front-back direction, the number of the output copper bars 5 is one, the number of the input copper bars 6 is three, the three input copper bars 6 are arranged at intervals in the left-right direction, the input copper bars 6 are connected with a direct current power supply, and the output copper bars 6 can conduct alternating current converted by the module body 3 to an electricity utilization component.

Optionally, the first section 61 and the second section 62 are integrally formed, the first section 61 extends horizontally along the front-back direction, the second section 62 extends vertically along the up-down direction, in other words, the output copper bar 5 and the input copper bar 6 are both bent, and the copper bar is bent, so that the copper bar is conveniently connected with external parts, and the module body 3 is conveniently welded or sintered with the mounting frame 1 due to the reduced length of the copper bar in the horizontal direction.

In some embodiments, the electrical connection comprises an opening at the junction of the first section 61 and the second section 62, e.g., the opening may be a relief hole 63 or a relief groove, e.g., the output copper bar 5 input copper bar 6 relief hole 63 is at the junction of the first section 61 and the second section 62.

Specifically, as shown in fig. 6, the pressure reducing holes 63 are located at the bending positions of the first section 61 and the second section 62, or the bending positions of the first section 61 and the second section 62 may further be provided with pressure reducing grooves, the number of the pressure reducing holes 63 may be multiple, and the pressure reducing holes 63 are arranged at intervals in the left-right direction, so that the rigidity of the copper bar can be reduced by arranging the pressure reducing holes 63, and the internal stress of the plastic package root caused in the deformation process of the copper bar is reduced, and the durability reliability of the power module 200, the whole power module and the motor controller is improved.

In some embodiments, the output copper bar 5 has a plurality of connection pins 64 on the second section 62 of the input copper bar 6, the plurality of connection pins 64 for connection to an external electrical component, the plurality of connection pins 64 being spaced apart.

Specifically, as shown in fig. 6 and 7, the connection pins 64 are integrally formed with the second section 62, in other words, the connection pins 64 are provided on the second section 62, the plurality of connection pins 64 are arranged at intervals in the left-right direction, and by providing the plurality of connection pins 64, better adhesion between the copper bar and the connected member can be achieved.

In some embodiments, the power module of the motor controller further includes a circuit board 7, the power module 200 further includes a plurality of signal pins 65, the signal pins 65 extend along the height direction of the module body 3, and the plurality of signal pins 65 are arranged at intervals along the width direction of the module body 3, the circuit board 7 is connected with the signal pins 65, and/or the mounting frame 1 is provided with connection posts 12, and the circuit board 7 is connected with the connection posts 12.

Specifically, as shown in fig. 1 and 6, a circuit board 7 is provided at the upper end of the mounting frame 1, signal pins 65 extend in the up-down direction, insertion holes matching the signal pins 65 are provided on the circuit board 7, the signal pins 65 are inserted into the insertion holes, and the circuit board 7 is fixed on the mounting frame 1. The number of the signal pins 65 is plural, the plural signal pins 65 are arranged at intervals in the front-rear direction, and the signal communication and high-voltage power supply functions are realized between the signal pins 65 and the circuit board 7, and the signal pins 65 have plural and all extend in the up-down direction. The method is beneficial to realizing the consistency of the output current of the upper bridge arm and the lower bridge arm of the chip in the power module, and simultaneously avoids the problem of insufficient safety distance between the upper bridge arm and the lower bridge arm and the power output/input copper bar caused by horizontal extension.

Be equipped with a plurality of spliced poles 12 on the mounting bracket 1, a plurality of spliced poles 12 are along the interval arrangement all around of mounting bracket 1, and it is to be noted that, have the connecting hole with the position that spliced pole 12 corresponds on the circuit board 7, pass the connecting hole and stretch into in the spliced pole 12 through the connecting piece and realize that circuit board 7 is fixed with the connection of mounting bracket 1, through setting up spliced pole 12, need not to set up the mounting point of circuit board 7 on the quick-witted case, can save installation space.

In some embodiments, the motor controller power module further includes a seal 8, the seal 8 is connected to the mounting frame 1, the seal 8 is located on a side of the mounting frame 1 facing away from the power module 200, and the seal 8 surrounds the periphery of the heat sink 2.

Specifically, as shown in fig. 5, the sealing member 8 may be a sealing ring, and the bottom of the mounting frame 1 is provided with a mounting hole connected with other parts of the motor controller, and a screw passes through the mounting hole to fix the sealing member 8 on the mounting member and connect the mounting frame 1 with the other parts, and the sealing ring surrounds the periphery of the plurality of cooling fins 2, in other words, the sealing member 8 is an annular sealing member 8, the sealing member 8 forms a sealing space, the plurality of cooling fins 2 are located in the sealing space, and sealing of the power module is realized.

The motor of the embodiment of the disclosure comprises a motor controller, wherein a power module is arranged in the motor controller, and the power module is the motor controller power module of any one of the embodiments.

The vehicle of the disclosed embodiments includes the motor controller power module of any of the above embodiments, or the motor of the above embodiments.

In the description of the present disclosure, 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 disclosure 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 disclosure.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, the meaning of "a plurality" is at least two, such as two, three, etc., unless explicitly specified otherwise.

In the present disclosure, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art as the case may be.

In this disclosure, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In this disclosure, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., mean 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 present disclosure. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present disclosure have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the present disclosure, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the present disclosure.

Claims (10)

1. A motor controller power module, comprising:

The heat dissipation assembly comprises a mounting frame, wherein the mounting frame is provided with a plurality of mounting positions;

The power modules are connected with the mounting frame and correspond to the mounting positions one by one.

2. The motor controller power module of claim 1 wherein the heat sink assembly further comprises a heat sink attached to the mounting bracket and located on a side of the mounting bracket facing away from the power module, the heat sink adapted to contact a cooling medium.

3. The motor controller power module of claim 2 further comprising a seal coupled to the mounting bracket, the seal being located on a side of the mounting bracket facing away from the power module, and the seal surrounding the periphery of the heat sink.

4. The motor controller power module of claim 1 wherein the power module comprises a module body and a thermally conductive plate, one side of the thermally conductive plate being coupled to the module body and the other side of the thermally conductive plate being coupled to the mounting bracket.

5. The motor controller power module of claim 1 wherein the power module further comprises a module body and electrical connectors disposed on sides of the module body,

The electrical connector includes a first section and a second section connected to each other, the first section being connected to the module body and extending in a height direction perpendicular to the module body, the second section extending in the height direction of the module body.

6. The motor controller power module of claim 5 wherein the electrical connection includes an opening located at a junction of the first and second segments.

7. The motor controller power module of claim 5 wherein the second segment has a plurality of connection pins thereon, the plurality of connection pins being for connection with an external electrical component, the plurality of connection pins being spaced apart.

8. The motor controller power module of claim 4 further comprising a circuit board, the power module further comprising a plurality of signal pins extending in a height direction of the module body, the plurality of signal pins being spaced apart in a width direction of the module body, the circuit board being connected to the signal pins.

9. An electric machine, characterized in that it comprises a machine controller, wherein the machine controller is internally provided with a power module, and the power module is the machine controller power module according to any one of claims 1-8.

10. A vehicle comprising a motor controller power module according to any one of claims 1-8, or a motor according to claim 9.