Single-side water-cooled power module integrated arrangement structure

Abstract

The utility model relates to a single-side water-cooled power module integrated arrangement structure, which comprises a buckle, a plastic pressing plate and a water-cooled module, and the power module comprises at least one power device. The buckle is buckled on the power device, the plastic pressing plate comprises a first mounting surface and a second mounting surface, and the buckle is mounted on the first mounting surface; the first mounting surface of the plastic pressing plate is pressed on the water cooling module, and the power device is located between the plastic pressing plate and the water cooling module. Compared with the prior art, according to the utility model, the power device is installed on the plastic pressing plate through the buckle and then is pressed on the water cooling module, so that the installation and the disassembly are convenient; by adopting the plastic pressing plate, the use amount of metal materials and the manufacturing difficulty can be reduced, and the cost is reduced; and the fixing areas and the power device mounting areas of the plastic pressing plate are sequentially and alternately arranged, so that each power device mounting area can be pressed tightly, the heat dissipation effect is improved, the plurality of power devices are separated, and the heat dissipation effect is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy automobile motor and controller integrated arrangement, especially single face water -cooled power module integrated arrangement structure. BACKGROUND

[0002] In recent years, new energy vehicles develop rapidly, and electric vehicle power module is a key component responsible for electric energy conversion and distribution, which is very important to electric vehicle performance. The main reason for power module failure is thermal stress caused by high temperature, and good thermal management is extremely important for its stability and reliability.

[0003] Power module long time operation and frequent opening and closing can produce a large amount of heat, with the increase of temperature, the failure probability of power module will also increase greatly, which will ultimately affect the output performance of motor and the reliability of automobile driving system. Therefore, in order to maintain the stable work of power module, reliable heat dissipation design and unobstructed heat dissipation channel are needed to quickly and effectively reduce the internal heat of module to meet the requirements of module reliability index. At present, the mainstream power module in the industry adopts double-sided or single-sided heat dissipation form, and the two arrangement forms have high installation requirements. At present, copper brazing, silver sintering or adhesive with fixing function are usually used to fix the power module on the heat dissipation water channel. But this way is not convenient for the installation and removal of heat dissipation module.

[0004] Therefore, how to design a power module integrated arrangement structure convenient to install is a technical problem to be solved. UTILITY MODEL CONTENTS

[0005] The utility model discloses a single face water -cooled power module integrated arrangement structure that overcomes the defects in the prior art.

[0006] The utility model discloses a single face water -cooled power module integrated arrangement structure that overcomes the defects in the prior art.

[0007] According to one aspect of the utility model, a single face water -cooled power module integrated arrangement structure is provided, including buckle, plastic pressing plate and water -cooled module, power module includes at least one power device, the buckle is buckled on power device, the plastic pressing plate includes first installation surface and second installation surface, and the buckle is installed on the first installation surface, the first installation surface of plastic pressing plate is crimped on water -cooled module, and the power device is located between plastic pressing plate and water -cooled module.

[0008] As a preferred technical scheme, the plastic pressing plate includes at least one fixing area and at least one power device mounting area, the power device mounting area is provided with a groove, the power device is located in the groove, and the fixing area is provided with a bolt mounting hole, and the bolt passes through the bolt mounting hole to connect the water -cooled module.

[0009] The fixing area and the power device mounting area are arranged alternately.

[0010] The power device is provided with a pin row, the power device mounting area is provided with a mounting hole, and the pin row passes through the mounting hole.

[0011] The second mounting surface of the plastic pressing plate is provided with a heat dissipation rib, and the heat dissipation rib is located in the power device mounting area.

[0012] The water cooling module comprises a cooling water channel and a cooling table in communication, the cooling table is located on the surface of the cooling water channel, and the power device is in contact with the cooling table.

[0013] The cooling table is a plurality of cooling tables and is arranged at intervals on the surface of the cooling water channel.

[0014] The copper bars at the two ends of the power device extend to the outside of the plastic pressing plate and the water cooling module.

[0015] The plastic pressing plate is provided with a limiting hole, the water cooling module is provided with a limiting column, and the limiting column passes through the limiting hole.

[0016] The buckle is buckled on the two sides of the power device.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1) the utility model discloses a buckle is installed on the plastic pressing plate to the power device, and then is pressed on the water cooling module, and installation and dismounting are convenient;Plastic pressing plate can reduce the use amount of metal material and manufacturing difficulty, and reduces the cost;

[0019] 2) the fixing area of the plastic pressing plate is used for fixing with the plastic pressing plate, the power device mounting area is used for installing the power device, the fixing area and the power device mounting area are arranged alternately, which is beneficial to pressing every power device mounting area, improves the heat dissipation effect, and the plurality of power devices are spaced apart, which helps to further improve the heat dissipation effect;The mounting hole is arranged on the plastic pressing plate, the pin row on the power device passes through the mounting hole, and other devices are convenient for being connected with the power device through the pin row;The heat dissipation rib is arranged on the plastic pressing plate, and one side of the power device not in contact with the cooling module can be heat dissipated.

[0020] 3) the copper bars at the two ends of the power device extend to the outside of the plastic pressing plate and the water cooling module, which is convenient for being connected with other devices;The buckle is buckled on the two sides of the power device, and does not affect the surface of the power device and the cooling module in contact. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an explosion map of the power module integrated arrangement structure of single-face water cooling of the utility model;

[0022] Figure 2 It is a schematic diagram of the buckle, plastic pressing plate and power device connection structure of the utility model;

[0023] Figure 3 It is a side view of the buckle, plastic pressing plate and power device connection structure of the utility model;

[0024] The labels shown in the figure are:

[0025] 1, buckle, 2, plastic pressing plate, 221, cooling ribs, 23, fixed area, 231, bolt mounting hole, 232, limiting hole, 24, power device mounting area, 241, mounting hole, 3, water cooling module, 31, cooling water channel, 311, limiting column, 32, cooling platform, 4, power device, 41, pin, 42, copper bar. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the utility model.

[0027] As Figure 1 shown, the utility model provides a kind of power module integrated arrangement structure of single-face water cooling, including buckle 1, plastic pressing plate 2 and water cooling module 3, and power module includes multiple power devices 4.Buckle 1 is buckled in the two sides of power device 4, then is installed on plastic pressing plate 2, and plastic pressing plate 2 is pressed in on water cooling module 3, and power device 4 is located between plastic pressing plate 2 and water cooling module 3.

[0028] As Figure 2 And Figure 3 shown, buckle 1 is buckled in the two sides of power device 4, does not affect power device 4 and water cooling module 3 or plastic pressing plate 2 contact.

[0029] The plastic pressing plate 2 comprises a first mounting surface and a second mounting surface, the first mounting surface contacts the power device 4 and is connected with the water cooling module 3, and the second mounting surface is an outer surface.

[0030] The fixing area 23 and the power device mounting area 24 are arranged alternately, the power device mounting area 24 is flanked by the fixing area 23, the power device 4 can be fully attached to the water cooling module 3, and the two power device mounting areas 24 are separated by the fixing area 23, so that the heat dissipation of each power device 4 is facilitated.

[0031] The water cooling module 3 comprises a cooling water channel 31 and cooling platforms 32, the cooling water channel 31 is communicated, the cooling platforms 32 are arranged at intervals on the surface of the cooling water channel 31, the number of the cooling platforms 32 is same as that of the power device mounting areas 24 and the installation positions of the cooling platforms 32 and the power device mounting areas 24 are one-to-one corresponding, and the power device 4 is in contact with the cooling platforms 32.

[0032] The shapes of the plastic pressing plate 2 and the water cooling module 3 can be set according to actual requirements, the copper bars 42 at the two ends of the power device 4 extend to the outside of the plastic pressing plate 2 and the water cooling module 3, and the plastic pressing plate 2 and the water cooling module 3 do not affect the connection of the power device 4 with other equipment or devices.

[0033] The utility model discloses assemble convenient, high reliability, and good heat dissipation effect.

[0034] The above, just for the specific implementation mode of the utility model, but the protection scope of the utility model does not limit to this, any skilled person in the art in the utility model discloses the technical range of technology, can easily think of various equivalent modifications or replacement, and these modifications or replacement all should cover in the protection scope of the utility model. Therefore, the protection scope of the utility model should be accurate with the protection scope of claim.

Claims

1. A single-side water-cooled power module integrated layout structure, characterized in that: The invention comprises a buckle (1), a plastic pressing plate (2) and a water cooling module (3); the power module comprises at least one power device (4); the buckle (1) is buckled onto the power device (4); the plastic pressing plate (2) comprises a first mounting surface and a second mounting surface; the buckle (1) is mounted on the first mounting surface; the first mounting surface of the plastic pressing plate (2) is pressed onto the water cooling module (3); the power device (4) is located between the plastic pressing plate (2) and the water cooling module (3).

2. The single-sided water-cooled power module integrated arrangement structure according to claim 1, characterized in that: The plastic pressing plate (2) includes at least one fixing area (23) and at least one power device installation area (24); the power device installation area (24) is provided with a groove, and the power device (4) is located in the groove; the fixing area (23) is provided with a bolt installation hole (231), and the bolt passes through the bolt installation hole (231) to connect the water cooling module (3).

3. The single-side water-cooled power module integrated arrangement structure according to claim 2, characterized in that: The fixing area (23) and the power device installation area (24) are arranged alternately in sequence.

4. The single-sided water-cooled power module integrated arrangement structure according to claim 2, characterized in that: The power device (4) is provided with a pin header (41), the power device mounting area (24) is provided with a mounting hole (241), and the pin header (41) passes through the mounting hole (241).

5. The single-side water-cooled power module integrated arrangement structure according to claim 2, characterized in that: The second mounting surface of the plastic pressing plate (2) is provided with heat dissipation ribs (221), and the heat dissipation ribs (221) are located in the power device mounting area (24).

6. The single-side water-cooled power module integrated arrangement structure according to claim 1, characterized in that: The water cooling module (3) comprises a connected cooling water channel (31) and a cooling platform (32); the cooling platform (32) is located on the surface of the cooling water channel (31); and the power device (4) is in contact with the cooling platform (32).

7. The single-side water-cooled power module integrated arrangement structure according to claim 6, characterized in that: There are multiple cooling stages (32) arranged at intervals on the surface of the cooling water channel (31).

8. The single-side water-cooled power module integrated arrangement structure according to claim 1, characterized in that: The copper bars (42) at both ends of the power device (4) extend to the outside of the plastic pressing plate (2) and the water cooling module (3).

9. The single-side water-cooled power module integrated arrangement structure according to claim 1, characterized in that: The plastic pressing plate (2) is provided with a limiting hole (232), and the water cooling module (3) is provided with a limiting column (311), and the limiting column (311) passes through the limiting hole (232).

10. The single-side water-cooled power module integrated arrangement structure according to claim 1, characterized in that: The buckles (1) are buckled on both sides of the power device (4).

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