CN217011521U

CN217011521U - Drive motor controller integrated structure

Info

Publication number: CN217011521U
Application number: CN202122878711.7U
Authority: CN
Inventors: 陈登峰; 周诗君; 位超群; 谢鸣锋
Original assignee: Shanghai Auto Edrive Co Ltd; Shanghai Auto Edrive Engineering Technology Research Center; Shanghai Edrive Co Ltd
Current assignee: Shanghai Auto Edrive Co Ltd; Shanghai Auto Edrive Engineering Technology Research Center; Shanghai Edrive Co Ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-07-19
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to a driving motor controller integrated structure which comprises a box body, a supporting capacitor, a power IGBT module and a DCDC power module, wherein the supporting capacitor, the power IGBT module and the DCDC power module are installed on the box body, the box body is provided with a water inlet, a first water channel, a second water channel, a third water channel, a cooling pool and a water outlet, a heat dissipation flow channel is arranged in the DCDC power module, the water inlet is connected with an inlet of the heat dissipation flow channel through the first water channel, an outlet of the heat dissipation flow channel is sequentially connected with the second water channel, the third water channel, the cooling pool and the water outlet, the third water channel is located right below the supporting capacitor, the power IGBT module comprises a heat dissipation area part, and the heat dissipation area part is arranged in the cooling pool. Compared with the prior art, the utility model serially connects the heat dissipation areas of the power IGBT module, the support capacitor and the DCDC power module, realizes the integration of the heat dissipation water paths of multiple power devices, forms a multi-in-one heat dissipation system, fully exerts the potential energy of the heat dissipation system and optimizes the space in the engine compartment of the whole vehicle.

Description

Drive motor controller integrated structure

Technical Field

The utility model relates to the field of new energy automobile driving motors, in particular to a driving motor controller integrated structure.

Background

With the increasing scarcity of global fossil energy and the increasing environmental pollution, the development of new energy automobiles to replace traditional fuel vehicles has become a consensus in countries of the world. The driving motor controller and the DCDC integrated power module are used as the core of new energy and directly relate to the performance of the whole vehicle. The traditional new energy automobile generally adopts a structure that a DCDC integrated power module and a motor controller are separated, and the DCDC integrated power module and the motor controller are connected with each other through a high-voltage wire harness. The structure of disconnect-type has led to whole car assembly process numerous like this, and the assembly is complicated, has caused installation space too big in the whole car simultaneously, is unfavorable for improving the integrated level of whole car.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcoming the above-mentioned drawbacks of the prior art and providing an integrated structure of a drive motor controller.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a driving motor controller integrated configuration, includes the box to and install support condenser, power IGBT module and DCDC power module on the box, be equipped with water inlet, first water course, second water course, third water course, cooling tank and delivery port on the box, be equipped with the heat dissipation runner in the DCDC power module, the import of heat dissipation runner is connected through first water course to the water inlet, the export of heat dissipation runner connects gradually second water course, third water course, cooling tank and delivery port, the third water course is located the support condenser under, power IGBT module includes the regional portion of heat dissipation, and this regional portion of heat dissipation sets up in the cooling tank.

Further, the box includes the bottom plate, the bottom plate upper surface is equipped with adjacent first mounting platform and second mounting platform, support the condenser and install on the second mounting platform, the third water course sets up in the below bottom plate of second mounting platform, the cooling pond sets up on first mounting platform.

Furthermore, the third water channel is an L-shaped return pipeline, an inlet and an outlet of the third water channel are both positioned at one end of the L shape, an inlet of the third water channel is connected with an outlet of the second water channel, an outlet of the third water channel is connected with an inlet of the cooling pool, and a bent part of the L-shaped main body is positioned right below the supporting capacitor.

Furthermore, the lower surface of the bottom plate is provided with an installation cavity, the installation cavity is located on one side of the third water channel, and the DCDC power module is fixedly connected with the installation cavity.

Further, the DCDC power module and the installation cavity are connected through bolts.

Furthermore, the heat dissipation channel in the DCDC power supply module is an "n" shaped pipeline, two ends of the "n" shaped opening are respectively an inlet and an outlet of the heat dissipation channel, the inlet of the heat dissipation channel is connected with the outlet of the first water channel, and the outlet of the heat dissipation channel is connected with the inlet of the third water channel.

Further, the first water channel and the second water channel are both long straight pipelines.

Furthermore, the first water channel, the second water channel and the third water channel are formed by combining a groove and a cover plate on the box body, and the cover plate and the groove are mutually welded.

Compared with the prior art, the utility model has the following beneficial effects:

1. the support capacitor, the power IGBT module and the DCDC power module are integrated in a box body, and the water channel, the cooling pool and the like are arranged on the box body to connect the heat dissipation area of the power IGBT module, the heat dissipation area of the support capacitor and the heat dissipation area of the DCDC power module in series, so that the heat dissipation water path integration of multiple power devices is realized, an all-in-one heat dissipation system is formed, the potential energy of the heat dissipation system is fully exerted, and the space in an engine compartment of the whole vehicle is optimized.

2. According to the utility model, the first mounting platform, the second mounting platform and the mounting cavity are arranged on the upper and lower layers of the bottom plate in a stacking manner, so that the supporting capacitor is arranged close to the power IGBT module, the DCDC power supply module is fixed in the mounting cavity at the bottom of the box body, and the DCDC power supply module can be electrically connected without a switching copper bar, therefore, the structure layout is compact and reliable, the assembly is convenient, and the device is suitable for batch production.

3. The third water channel is designed into an L-shaped return pipeline, so that the third water channel can be arranged below the supporting capacitor under the condition of minimum area and length, and the heat dissipation effect and the structure minimization are both considered.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic bottom view of the present invention.

Fig. 3 is a schematic top view of the case.

Fig. 4 is a schematic bottom view of the case.

Fig. 5 is a schematic structural diagram of the DCDC power supply module.

Fig. 6 is a schematic view of a specific basin of the cooling system.

Reference numerals: 1, a box body; 2-a support capacitor; 3-power IGBT module; 4-a first waterway cover plate; 5-a second waterway cover plate; 6-a third waterway cover plate; 7-a DCDC power module; 11-a water inlet; 12-a first raceway; 13-a first nozzle; 14-a second nozzle; 15-a second raceway; 16-a third nozzle; 17-a first mounting platform; 18-a cooling tank; 19-a fourth nozzle; 20-a fifth nozzle; 21-a second mounting platform; 22-mounting the container; 23-a sixth nozzle; 24-a seventh nozzle; 25-mounting holes; 26-a third flume; 27-an eighth nozzle; 28-ninth nozzle; 29-water outlet; 30-a first water transfer port; 31-a second transfer nozzle; 32-mounting the column.

Detailed Description

The utility model is described in detail below with reference to the figures and the specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

The embodiment provides a high-integration drive motor controller integrated structure, the upper end surface structure of which is schematically shown in fig. 1, and the main structure of which comprises a box body 1, a support capacitor 2, a power IGBT module 3, a first water channel cover plate 4 and a second water channel cover plate 5; the lower end face structure of the water channel is schematically shown in fig. 2, and mainly comprises a third water channel cover plate 6 and a DCDC power supply module 7.

The upper end face structure of the box body 1 in this embodiment is as shown in fig. 3, a water inlet 11 of the cooling circuit is arranged on a right vertical face of the box body 1, a long strip-shaped first water channel 12 is arranged at the upper right inside the box body 1, the first water channel 12 is communicated with the water inlet 11, and a circular first water gap 13 is arranged in the first water channel 12. The left side of first water course 12 is equipped with rectangular form second water course 15, and parallel and end to end of second water course 15 and first water course 12 is equipped with second mouth of a river 14 and third mouth of a river 16 at the strip both ends of second water course 15. A rectangular first mounting platform 17 is arranged in the left side area inside the box body 1, a rectangular cooling pool 18 is arranged in the first mounting platform 17, and a fourth water gap 19 and a fifth water gap 20 are arranged at two ends of the bottom of the cooling pool 18. A second mounting platform 21 having a rectangular shape is provided at one side of the first mounting platform 17.

In the present embodiment, as shown in the structure diagram 4 of the lower end surface of the box body 1, a rectangular installation container 22 is fully arranged at the lower end of the box body 1, and a sixth water gap 23 and a seventh water gap 24 are arranged in the installation container 22. The sixth water gap 23 and the seventh water gap 24 are respectively communicated with the first water gap 13 and the second water gap 14 on the upper end surface of the box body 1. The mounting container 22 is distributed with 8 mounting holes along the edge for fixing the DCDC power supply module 7. The right side of the mounting container 22 is provided with a third water channel 26, and the third water channel 26 is positioned right opposite to the second mounting platform 21 on the upper end surface of the box body 1 so as to dissipate heat of the supporting capacitor 2 mounted on the second mounting platform 21. The third water channel 26 is specifically an "L" shaped return pipe, and an inlet and an outlet of the third water channel 26 are both located at one end of the "L" shape, and are an eighth water gap 27 and a ninth water gap 28, respectively.

The structure of the DCDC power supply module 7 in this embodiment is shown in fig. 5. The bottom of the DCDC power module is provided with two cooling water path interfaces, namely a first water transfer port 30 and a second water transfer port 31. The edge of the DCDC power module 7 is provided with a plurality of mounting posts 32. When the DCDC power supply module 7 is mounted, it is mounted in the mounting container 22 on the lower end surface of the case 1. A heat dissipation flow channel is arranged in the DCDC power module 7, the heat dissipation flow channel is specifically an n-shaped pipeline, and a first water transfer port 30 and a second water transfer port 31 are respectively arranged at two ends of an n-shaped opening. The first transfer water port 30 and the second transfer water port 31 correspond to the sixth water port 23 and the seventh water port 24 of the box body 1, respectively, the mounting column 32 of the DCDC power module 7 is placed in the mounting hole 25 of the mounting container 22, and the DCDC power module 7 is attached to the bottom of the bottom plate of the box body 1 through bolts.

In this embodiment, the first channel cover plate 4, the second channel cover plate 5, and the third channel cover plate 6 are fixed on the upper surfaces of the first channel 12, the second channel 15, and the third channel 26 of the tank 1 by friction stir welding, respectively, and form a closed channel cavity. The power IGBT module 3 is fixed to the first mounting platform 17 by bolts, and forms a cooling space of the closed IGBT module with the cooling bath 18 on the first mounting platform 17. The support capacitor 2 is fixed on the second mounting platform 21 of the box body 1, and the bottom plate of the box body 1 is provided with a third water channel 26, so that the support capacitor 2 is cooled and radiated.

When the integrated structure of this embodiment works, the coolant flows into the first water channel 12 from the water inlet 11, and then flows into the sixth water port 23 of the end surface mounting container 22 under the box body 1 through the first water port 13 in the first water channel 12, so far, the coolant flows out from the sixth water port 23, cools the DCDC power module 7 through the first water transfer port 30 of the DCDC power module 7, and then flows out of the DCDC power module 7 through the second water transfer port 31. The cooling liquid then re-enters the tank 1 from the seventh port 24, flows from the second port 14 through the second channel 15 and leaves from the third port 16 and the eighth port 27 the third channel 26 below the support capacitor 2. And finally, the water flows out of the third water channel 26 from the ninth water port 28, flows into the cooling pool 19 through the fourth water port 19, and flows out of the cooling pool 18 from the fifth water port 20 and finally flows out of the water outlet 29 after the power IGBT module 3 is cooled. The specific flow field of the cooling system is shown in fig. 6.

The installation steps of this embodiment are as follows:

firstly, the first water channel cover plate 4, the second water channel cover plate 5 and the third water channel cover plate 6 are respectively stirred, friction-welded with the first water channel 12, the second water channel 15 and the third water channel 26 of the box body 1 to form a closed cooling channel. Then, the DCDC power module 7 is mounted in the mounting container 22 on the lower end surface of the casing 1, and the first adapter 30 and the second adapter 31 of the power module are communicated with the sixth water port 23 and the seventh water port 24. Next, the power IGBT module 3 is mounted on the first mounting platform 17, and the power IGBT module 3 is covered on the cooling bath 18 to form a closed heat dissipation chamber. Finally, the support capacitor 2 is fixed to the second mounting platform 21 by bolts. Therefore, the installation of the drive motor controller integrated structure is completed, and the pre-designed heat dissipation and cooling effect can be realized.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. A driving motor controller integrated structure is characterized by comprising a box body (1), and a support capacitor (2), a power IGBT module (3) and a DCDC power module (7) which are arranged on the box body (1), a water inlet (11), a first water channel (12), a second water channel (15), a third water channel (26), a cooling pool (18) and a water outlet (29) are arranged on the box body (1), a heat dissipation flow channel is arranged in the DCDC power supply module (7), the water inlet (11) is connected with an inlet of the heat dissipation flow channel through a first water channel (12), the outlet of the heat dissipation flow channel is sequentially connected with a second water channel (15), a third water channel (26), a cooling pool (18) and a water outlet (29), the third water channel (26) is located directly below the support capacitor (2), and the power IGBT module (3) includes a heat dissipation area portion that is provided in the cooling bath (18).

2. A drive motor controller integrated structure according to claim 1, wherein the case (1) includes a bottom plate, the upper surface of the bottom plate is provided with a first mounting platform (17) and a second mounting platform (21) which are adjacent to each other, the support capacitor (2) is mounted on the second mounting platform (21), the third water channel (26) is provided in the bottom plate below the second mounting platform (21), and the cooling pool (18) is provided on the first mounting platform (17).

3. The drive motor controller integrated structure according to claim 1 or 2, wherein the third water channel (26) is an L-shaped return pipe, an inlet and an outlet of the third water channel (26) are both located at one end of the L-shape, an inlet of the third water channel (26) is connected to an outlet of the second water channel (15), an outlet of the third water channel (26) is connected to an inlet of the cooling pool (18), and a bent portion of a main body of the L-shape is located right below the support capacitor (2).

4. The drive motor controller integrated structure according to claim 2, wherein the bottom plate is provided with a mounting cavity (22) on a lower surface thereof, the mounting cavity (22) is located on one side of the third water channel (26), and the DCDC power module (7) is fixedly connected with the mounting cavity (22).

5. The drive motor controller integrated structure according to claim 4, wherein the DCDC power module (7) and the mounting cavity (22) are connected by bolts.

6. The driving motor controller integrated structure according to claim 1, wherein the heat dissipation channel in the DCDC power module (7) is an "n" shaped pipe, the two ends of the opening of the "n" shape are respectively an inlet and an outlet of the heat dissipation channel, the inlet of the heat dissipation channel is connected to the outlet of the first water channel (12), and the outlet of the heat dissipation channel is connected to the inlet of the third water channel (26).

7. The drive motor controller integrated structure according to claim 1, wherein the first water passage (12) and the second water passage (15) are each a long straight pipe.

8. The integrated structure of the controller of the driving motor according to claim 1, wherein the first water passage (12), the second water passage (15) and the third water passage (26) are formed by combining a groove and a cover plate on the box body (1), and the cover plate and the groove are welded to each other.