CN210928476U

CN210928476U - Compact power module heat radiation structure

Info

Publication number: CN210928476U
Application number: CN201922323487.8U
Authority: CN
Inventors: 周文族; 饶银; 王长江
Original assignee: Jiangxi Kingchun Electronic Control Technology Co ltd
Current assignee: Jiangxi Kingchun Electronic Control Technology Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-07-03
Anticipated expiration: 2029-12-23

Abstract

The utility model discloses a compact power module heat radiation structure, which comprises a box body, wherein a first cavity and a second cavity are arranged in the box body, a waterproof sealing ring is clamped in a groove at the outer side of the first cavity, when a motor controller and a generator controller are integrated into a controller, the first cavity and the second cavity are added in the box body to be communicated, the end part of the first cavity is connected with a water inlet pipe water nozzle, the end part of the second cavity is provided with a water outlet pipe water nozzle, a water channel system is the water inlet pipe water nozzle, the water passes through the first cavity radiated by the motor controller, the tail part of the first cavity is provided with a water outlet, water flows to the second cavity matched with the generator for heat radiation, the other end of the cavity is connected with a water pipe water nozzle, the heat radiation cavities are symmetrical at the two sides of the motor controller and the generator controller, the water outlet temperature completely meets the use requirement through the heat radiation, in addition, the angle design of the grooves on the two sides is reasonable, and the method plays an important role in improving the flow resistance.

Description

Compact power module heat radiation structure

Technical Field

The utility model relates to the field of automotive technology, specifically a compact power module heat radiation structure.

Background

When the existing automobile is used, a motor controller and a generator controller are generally assembled on the whole automobile as independent components respectively, the two controllers are overlapped to occupy a larger space, the overall space utilization rate is low, the positive and negative electrode ends of a high-voltage connector are repeatedly used, the water inlet and the water outlet are connected in a complex manner, the material cost and the labor cost are increased, the quality safety potential hazards are increased, and the service life of the whole automobile is shortened. The other adopts a two-in-one scheme, most double-sided water-cooled IGBT integrated modules are applied, the whole volume is small, the requirement of power density is completely met, but the cost of the water-cooled modules and the drive control module is high, and the research and development cost is large.

Therefore, a compact power module heat dissipation structure is provided to solve the problems in the prior art, so that a motor controller and a generator controller are integrated into one controller, a heat dissipation water channel is greatly improved, and the space utilization rate is greatly improved compared with that of two controllers which are respectively installed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compact power module heat radiation structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compact power module heat radiation structure, the power distribution box comprises a box body, first die cavity and second die cavity have been seted up to box inside, the joint has last waterproof sealing washer in the recess in first die cavity outside, the box is inside to have the last heat dissipation apron that is located first die cavity top through bolted connection, the joint has down waterproof sealing washer in the recess in the second die cavity outside, the inboard up end packaging of second die cavity has lower heat dissipation apron, the laminating of heat dissipation apron is in second die cavity below box lateral wall threaded connection has inlet tube water injection well choke and outlet pipe water injection well choke, inlet tube water injection well choke and the inside intercommunication of first die cavity, outlet pipe water injection well choke inboard and second die cavity intercommunication, just first die cavity and the second die cavity other end are linked together.

Preferably, the length of the upper heat dissipation cover plate is greater than that of the first cavity, and the end part of the upper heat dissipation cover plate is clamped at the upper end of the upper waterproof sealing ring.

Preferably, the upper waterproof sealing ring is positioned at the outer side of the communicating part of the end parts of the first cavity and the second cavity, and the upper waterproof sealing ring is tightly attached to the inner side wall of the box body.

Preferably, lower waterproof sealing circle quantity is two sets of, and is a set of lower waterproof sealing circle is located inlet tube water injection well choke and first die cavity junction, another group lower waterproof sealing circle is located outlet pipe water injection well choke and second die cavity junction.

Preferably, the end part of the lower radiating cover plate is clamped at the lower end of the lower waterproof sealing ring, and the end part of the lower radiating cover plate exceeds the lower waterproof sealing ring.

Preferably, the upper heat-radiating cover plate and the lower heat-radiating cover plate are equal in thickness, and the upper heat-radiating cover plate and the lower heat-radiating cover plate are also equal in length.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses when being integrated as a controller with machine controller and generator controller, be linked together at inside first die cavity and the second die cavity that increases of box, first die cavity end connection inlet tube water injection well choke, second die cavity end installation outlet pipe water injection well choke, water channel system is the inlet tube water injection well choke, through the radiating first die cavity of machine controller, afterbody at first die cavity, the delivery port has been seted up, the rethread delivery port, water flows the radiating second die cavity of generator cooperation again, another termination at the die cavity has the water pipe water injection well choke, the heat dissipation die cavity is symmetrical at machine controller and generator controller two sides, through water channel heat dissipation emulation, delivery port temperature satisfies the operation requirement completely, the angular design of both sides groove is also comparatively reasonable in addition, important effect has been played in the improvement of flow resistance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the front structure of the box body of the present invention;

fig. 3 is a schematic view of the structure of the back of the box body of the present invention.

In the figure: the water faucet comprises a box body 1, a lower heat dissipation cover plate 2, a lower waterproof sealing ring 3, a water inlet pipe nozzle 4, an upper heat dissipation cover plate 5, an upper waterproof sealing ring 6, a water outlet pipe nozzle 7, a first cavity 8 and a second cavity 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a compact power module heat radiation structure comprises a box body 1, wherein a first cavity 8 and a second cavity 9 are arranged in the box body 1, an upper waterproof sealing ring 6 is connected in a clamping manner in a groove on the outer side of the first cavity 8, an upper heat radiation cover plate 5 positioned above the first cavity 8 is connected in the box body 1 through a bolt, a lower waterproof sealing ring 3 is connected in a clamping manner in a groove on the outer side of the second cavity 9, a lower heat radiation cover plate 2 is packaged on the upper end surface on the inner side of the second cavity 9, the lower heat radiation cover plate 2 is attached below the second cavity 9, a water inlet pipe water nozzle 4 and a water nozzle water outlet pipe 7 are connected on the outer side wall of the box body 1 through threads, the water inlet pipe water nozzle 4 is communicated with the inside of the first cavity 8, the inner side of the water outlet pipe water nozzle 7 is communicated with the second cavity 9, the other ends of the first cavity 8 and the second, just go up 5 tip joints of heat dissipation apron and go up 6 upper ends of waterproof sealing ring, it is located the outside of first die cavity 8 and the 9 tip intercommunication departments of second die cavity to go up waterproof sealing ring 6 and the 1 inside wall of box closely laminate, 3 quantity of waterproof sealing ring are two sets of down, and are a set of waterproof sealing ring 3 is located inlet tube water injection well choke 4 and the 8 junction of first die cavity down, another group waterproof sealing ring 3 is located outlet pipe water injection well choke 7 and the 9 junction of second die cavity down, 2 tip joints of heat dissipation apron are waterproof sealing ring 3 lower extremes under, just 2 tip of heat dissipation apron surpasss waterproof sealing ring 3 down, go up

heat dissipation apron

5 and 2 thickness of heat dissipation apron down and equal, just 2 last heat dissipation apron of heat dissipation apron 2 also are the same down.

Increase first die cavity 8 and second die cavity 9 and be linked together in box 1 inside, 8 end connection inlet tube water injection well choke 4 of first die cavity, outlet pipe water injection well choke 7 are installed to 9 tip of second die cavity, the water course system is inlet tube water injection well choke 4, through the radiating first die cavity 8 of machine controller, at the afterbody of first die cavity 8, the delivery port has been seted up, the rethread delivery port, water flows to the radiating second die cavity 9 of generator cooperation again, another termination at the die cavity has water pipe water injection well choke 7, the heat dissipation die cavity is symmetrical at machine controller and generator controller both sides, through the emulation of water course heat dissipation, delivery port temperature satisfies the operation requirement completely, the angle design of both sides groove is also comparatively reasonable in addition, the improvement to the flow resistance has played important effect.

The structure principle is as follows: increase first die cavity 8 and second die cavity 9 and be linked together in box 1 inside, 8 end connection inlet tube water injection well choke 4 of first die cavity, outlet pipe water injection well choke 7 are installed to 9 tip of second die cavity, the water course system is inlet tube water injection well choke 4, through the radiating first die cavity 8 of machine controller, at the afterbody of first die cavity 8, the delivery port has been seted up, the rethread delivery port, water flows to the radiating second die cavity 9 of generator cooperation again, another termination at the die cavity has water pipe water injection well choke 7, the heat dissipation die cavity is symmetrical at machine controller and generator controller both sides, through the emulation of water course heat dissipation, delivery port temperature satisfies the operation requirement completely, the angle design of both sides groove is also comparatively reasonable in addition, the improvement to the flow resistance has played important effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compact power module heat radiation structure, includes box (1), its characterized in that: a first cavity (8) and a second cavity (9) are arranged in the box body (1), an upper waterproof sealing ring (6) is clamped in a groove at the outer side of the first cavity (8), the interior of the box body (1) is connected with an upper radiating cover plate (5) positioned above the first cavity (8) through bolts, a lower waterproof sealing ring (3) is clamped in a groove at the outer side of the second cavity (9), a lower radiating cover plate (2) is packaged on the upper end surface of the inner side of the second cavity (9), the lower radiating cover plate (2) is attached to the outer side wall of the box body (1) below the second cavity (9) and is in threaded connection with a water inlet pipe water nozzle (4) and a water outlet pipe water nozzle (7), the water nozzle (4) of the water inlet pipe is communicated with the inside of the first cavity (8), the inner side of the water nozzle (7) of the water outlet pipe is communicated with the second cavity (9), and the other ends of the first cavity (8) and the second cavity (9) are communicated.

2. The compact power module heat dissipation structure of claim 1, wherein: go up heat dissipation apron (5) length and be greater than the length of first die cavity (8), just go up heat dissipation apron (5) tip joint last waterproof sealing ring (6) upper end.

3. The compact power module heat dissipation structure of claim 1, wherein: go up waterproof sealing washer (6) and be located first die cavity (8) and second die cavity (9) tip intercommunication department outside, just go up waterproof sealing washer (6) and closely laminate with box (1) inside wall.

4. The compact power module heat dissipation structure of claim 1, wherein: lower waterproof sealing washer (3) quantity is two sets of, and is a set of lower waterproof sealing washer (3) are located inlet tube water injection well choke (4) and first die cavity (8) junction, and another group lower waterproof sealing washer (3) are located outlet pipe water injection well choke (7) and second die cavity (9) junction.

5. The compact power module heat dissipation structure of claim 1, wherein: the end part of the lower heat dissipation cover plate (2) is clamped at the lower end of the lower waterproof sealing ring (3), and the end part of the lower heat dissipation cover plate (2) exceeds the lower waterproof sealing ring (3).

6. The compact power module heat dissipation structure of claim 1, wherein: the upper heat dissipation cover plate (5) and the lower heat dissipation cover plate (2) are equal in thickness, and the length of the upper heat dissipation cover plate (5) of the lower heat dissipation cover plate (2) is also the same.