CN210008143U

CN210008143U - High-efficiency heat dissipation device for three-in-one integrated controller of electric automobile

Info

Publication number: CN210008143U
Application number: CN201920585604.5U
Authority: CN
Inventors: 韩冰; 巩俊杰
Original assignee: Beijing Changcheng Huaguan Automobile Technology Development Co Ltd
Current assignee: CH Auto Technology Co Ltd; Beijing Changcheng Huaguan Automobile Technology Development Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2020-01-31
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses a high-efficient heat abstractor of three close integrated controller for electric automobile, including the lower heat dissipation main part, the second holding tank has been seted up to the bottom surface of heat dissipation main part down, and the underrun fastener of lower heat dissipation main part is installed and is used for apron down to second holding tank confined, the front end of heat dissipation main part is provided with the low pressure signal connector, the anodal and the low pressure output negative pole of low pressure output that run through to in the second holding tank down, this high-efficient heat abstractor of three close integrated controller for electric automobile, with the machine that charges, DCDC controller and high-voltage distribution system integration become assembly controllers in holding tank and second holding tank, three close controllers promptly, reduce the space utilization rate, realized the miniaturization, when adopting natural heat dissipation mode, increase the cooling water course heat dissipation, utilize water-cooling and natural cooling cooperation, improved the radiating efficiency.

Description

High-efficiency heat dissipation device for three-in-one integrated controller of electric automobile

Technical Field

The utility model relates to a new energy automobile field specifically is high-efficient heat abstractor of three-in integrated controller for electric automobile.

Background

At present, a vehicle-mounted high-power charger and a DC/DC converter device of a new energy automobile are widely applied in areas, the vehicle-mounted charger has the function of converting civil 220V alternating current electric energy into high-voltage direct current electric energy to charge the electric automobile, the DC/DC function has the function of transforming the high-voltage direct current electric energy of a power battery of the electric automobile into low-voltage 12V electric energy to supply power to low-voltage electric appliances of the electric automobile, and as the number of vehicle controllers is increased and the requirements on the size of the controllers are more and more strict due to the influence of factors such as working environment and the like, the design of integrating the vehicle-mounted charger, the DC/DC converter and the high-voltage power distribution function into controllers begins to appear, and the requirements on size reduction and miniaturization of the controllers are required, and the problem.

With the development of new energy vehicles, controllers gradually adopt a three-in-one integration mode, that is, a vehicle-mounted charger, a DC/DC converter and a high-voltage power distribution function are integrated into controller systems, and as the functions of each controller are more and the operating power is more and more, the heat productivity of circuits in the controllers is increased, so that the problems that the power of the charger or the DCDC in the integrated controller is reduced due to high temperature or the electric device is stopped and the electric device is aged and fails due to long-time high-temperature operation easily occur in a high-temperature working state.

The traditional three-in-one integrated controller device adopts a fan heat dissipation mode or a natural cold heat dissipation mode, if the fan heat dissipation mode is adopted, the power consumption of the whole device is increased, the efficiency of the whole device is reduced, the noise of the fan is high, interference is caused to users, meanwhile, the fan has fixed service life, if the fan is damaged, the temperature rise of the whole device is caused, the performance index is reduced, the service life of the controller is seriously influenced after long-time use, even the controller is damaged, if the natural cold heat dissipation mode is adopted, the direct heat dissipation is needed by increasing the whole heat dissipation area of an aluminum shell, the size and the weight are huge, and the requirement of miniaturization cannot be met.

The traditional three-in-one integrated controller equipment integrates a charger and a high-voltage power distribution system besides DCDC, wherein the high-voltage power distribution system consists of copper bars, a high-voltage fuse and a high-voltage relay and is used for distributing high-voltage electric energy of an electric vehicle power battery to each high-voltage electric appliance for power supply, the high-voltage electric appliances are usually the charger, the DCDC, a high-voltage electric heater, a high-voltage air conditioner and the like, the high-voltage electric current switched on by the high-voltage power distribution system is larger, so that the generated heat is higher, the integral temperature rise of the three-in-one controller is increased, the new energy indexes of the charger and the DCDC are reduced, the service life of the controller is seriously influenced after long-time use.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

The not enough to prior art, the utility model provides a kinds of high-efficient heat abstractor of three close integrated controller for electric automobile has solved traditional three close integrated controller radiating efficiency not high, the not good problem of radiating effect.

Technical scheme

In order to achieve the purpose, the utility model discloses a high-efficient heat abstractor of three close integrated controller for kinds of electric automobile, including lower heat dissipation main part, the second holding tank has been seted up to the bottom surface of lower heat dissipation main part, and the bottom surface of lower heat dissipation main part is installed through the fastener and is used for the lower apron to second holding tank confined, the front end of lower heat dissipation main part is provided with low-voltage signal connector, low-voltage output positive pole and the low-voltage output negative pole that run through to in the second holding tank, and the rear end of lower heat dissipation main part is provided with motor controller connector and the air conditioner connector that run through to in the second holding tank, and the bottom both sides of lower heat dissipation main part front end and rear end all are provided with the fixed.

The last surface mounting of lower heat dissipation main part has last heat dissipation main part, go up and be connected through the fastener between the bottom surface of heat dissipation main part and the upper surface of lower heat dissipation main part, the holding tank has been seted up to the upper surface of going up heat dissipation main part, the upper surface of going up heat dissipation main part is installed through the fastener and is used for the upper cover plate to holding tank confined, the front end of going up heat dissipation main part is provided with and runs through to the quick input connector and the alternating current input connector of holding tank, the rear end of going up heat dissipation main part is provided with the direct current output connector who runs through to holding.

The bottom surface of going up the heat dissipation main part is provided with the cooling water course, and the edge of cooling water course is provided with the sealed rubber ring groove of second, is provided with the sealed rubber ring that is used for cooling water course edge seal between the upper surface of the sealed rubber ring groove of second and lower heat dissipation main part, goes up the bottom of heat dissipation main part front end and is provided with the cooling water course inlet tube that communicates with cooling water course end and the cooling water course outlet pipe that communicates with cooling water course end in addition.

, the side of the upper heat dissipation main body is equidistantly provided with a main body groove in the shape of a long strip groove.

, the upper surface of the upper cover plate is evenly distributed with long-strip-shaped groove-shaped cover plate grooves.

, a harness through hole is formed in the accommodating groove, a second harness through hole is formed in the top of the second accommodating groove, and a harness through hole is communicated with the second harness through hole.

, ribs are distributed on the side surface of the top of the upper radiating main body at equal intervals, and the upper cover plate is connected with the threaded holes on the ribs through bolts.

, a th sealing rubber ring groove is formed at the edge of the top of the th accommodating groove, and a th sealing rubber ring is arranged between the th sealing rubber ring groove and the upper cover plate.

And , forming a third sealing rubber ring groove on the edge of the bottom of the second accommodating groove, and arranging a third sealing rubber ring between the third sealing rubber ring groove and the lower cover plate.

, sealing rings are arranged at the joints of the quick-charging input connector, the alternating current input connector and the direct current output connector with the upper heat dissipation main body, and sealing rings are arranged at the joints of the motor controller connector, the air conditioner connector, the low-voltage signal connector, the low-voltage output anode and the low-voltage output cathode with the lower heat dissipation main body.

, the rear end of the upper heat dissipation body is provided with an explosion-proof and air-release valve which penetrates through to the th accommodating groove.

The invention provides an efficient heat dissipation device for a three-in-one integrated controller for an electric automobile, which has the following beneficial effects:

1. the charger, the DCDC controller and the high-voltage distribution system are integrated in the th accommodating groove and the second accommodating groove to form assembly controllers, namely the three-in-one controller, so that the space utilization rate is reduced, and the miniaturization is realized.

2. Set up the main part groove of rectangular shape at last heat dissipation main part surface, heat dissipation main part surface and air area of contact have been increased under the condition that does not increase overall dimension, and simultaneously, the upper cover plate surface also is equipped with the apron groove of rectangular shape, increase the area of contact of upper cover plate surface and air under the condition that does not increase overall dimension, realize in the integrated control ware when electron device and high voltage distribution system during operation heat transfer to last heat dissipation main part and upper cover plate after, can dispel partial heat with the radiating mode of air through the main part groove of last heat dissipation main part and the apron groove of upper cover plate, natural heat radiating effect has been improved.

3. When a natural heat dissipation mode is adopted, the cooling water channel is added for heat dissipation, and the heat dissipation efficiency is improved by matching water cooling with natural cooling.

4. Sealing performance preferred, sealed rubber ring, the sealed rubber ring of second, the setting of third sealed rubber ring and sealing washer can be to the holding tank, the cooling water course, the second holding tank seals, the leakproofness of cooling water course has been guaranteed, prevent revealing of coolant liquid, the leakproofness of the holding tank and second holding tank has been guaranteed simultaneously, avoid liquid or other impurity to get into the holding tank and the second holding tank and influence electronic device and power device's normal work, stability is higher.

5. Set up holding tank and second holding tank and divide into with machine of charging and DCDC and separately place on the upper and lower layer, mutual isolation, mutual noninterference to but two systems independent operation, the concurrent operation also, high voltage distribution system can be respectively for two systems independent power supply and outwards output electric energy, can reduce the mutual electromagnetic interference when two systems operation.

Drawings

Fig. 1 is a schematic perspective view of the front view of the present invention;

fig. 2 is a schematic perspective view of the rear view angle of the present invention;

fig. 3 is a top view of the upper heat dissipating body of the present invention;

fig. 4 is a bottom view of the upper heat dissipating body of the present invention;

fig. 5 is a bottom view of the lower heat dissipating body of the present invention;

fig. 6 is a top view of the lower heat dissipating body of the present invention.

In the figure, 1 rib, 2 main body grooves, 3 lower heat dissipation main bodies, 4 quick charging input connectors, 5 lower cover plates, 6 low-voltage signal connectors, 7 low-voltage output positive electrodes, 8 low-voltage output negative electrodes, 9 fixing supports, 10 alternating current input connectors, 11 upper heat dissipation main bodies, 12 upper cover plates, 13 cover plate grooves, 14 direct current output connectors, 15 cooling water channel water inlet pipes, 16 air conditioner connectors, 17 motor controller connectors, 18 cooling water channel water outlet pipes, 19 explosion-proof air release valves, 20 th accommodating grooves, 21 st sealing rubber ring grooves, 22 second wire harness through holes, 23 second sealing rubber ring grooves, 24 cooling water channels, 25 second wire harness through holes, 26 third sealing rubber ring grooves and 27 second accommodating grooves are arranged in the grooves.

Detailed Description

The technical solution 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 , but not all embodiments.

Referring to fig. 1-6, the utility model provides technical solutions, electric automobile is with three close integrated controller high efficiency heat abstractor, including lower heat dissipation main part 3, second holding tank 27 has been seted up to the bottom surface of lower heat dissipation main part 3, the bottom surface of lower heat dissipation main part 3 is installed through the fastener and is used for the lower apron 5 to second holding tank 27 confined, the front end of lower heat dissipation main part 3 is provided with low-voltage signal connector 6, low-voltage output positive pole 7 and low-voltage output negative pole 8 that run through to in the second holding tank 27, the rear end of lower heat dissipation main part 3 is provided with motor controller connector 17 and air conditioner connector 16 that run through to in the second holding tank 27, the bottom both sides of lower heat dissipation main part 3 front end and rear end all are provided with fixed bolster 9, fixed bolster 9 adopts the strengthening rib structure to guarantee its structural strength, fixed bolster 9 is used for fixing integrated controller on the vehicle.

The upper surface of the lower heat dissipation main body 3 is provided with an upper heat dissipation main body 11, the upper heat dissipation main body 11 is made by adopting an aluminum casting process, so that the strength of the upper heat dissipation main body 11 is ensured, and meanwhile, the heat can be conveniently and quickly transferred, and the weight of the upper heat dissipation main body is reduced, the bottom surface of the upper heat dissipation main body 11 is connected with the upper surface of the lower heat dissipation main body 3 through a fastener, kinds of fasteners can adopt bolts or screws, the fasteners can be tightly screwed by smearing thread glue, the fasteners are prevented from being loosened due to vehicle running vibration, the upper surface of the upper heat dissipation main body 11 is provided with a accommodating groove 20, the accommodating groove 20 and the second accommodating groove 27 can be respectively used for accommodating and installing electrical components, the upper surface of the upper heat dissipation main body 11 is provided with an upper cover plate 12 used for closing the accommodating groove 20 through the fastener, the front end of the upper heat dissipation main body 11 is provided with a quick-charging input connector 4 and an alternating-current input connector 10 which penetrate through the.

A cooling water channel 24 is arranged on the bottom surface of the upper heat dissipation main body 11, a second sealing rubber ring groove 23 is arranged at the edge of the cooling water channel 24, a second sealing rubber ring for sealing the edge of the cooling water channel 24 is arranged between the second sealing rubber ring groove 23 and the upper surface of the lower heat dissipation main body 3, a cooling water channel water inlet pipe 15 communicated with the 24 end of the cooling water channel and a cooling water channel water outlet pipe 18 communicated with the other end of the cooling water channel 24 are arranged at the bottom of the front end of the upper heat dissipation main body 11, the cooling water channel water inlet pipe 15 is connected with an output pipe of a vehicle heat dissipation system, the cooling water channel water outlet pipe is connected with an input pipe of the vehicle heat dissipation system, cooling liquid enters the cooling water channel 24 from the cooling water channel water inlet 126, absorbs heat in the flowing process of the cooling water channel 24, and flows back to the vehicle heat dissipation system from the.

The side of the upper heat dissipation main body 11 is equidistantly provided with strip-shaped groove-shaped main body grooves 2, the contact area between the upper heat dissipation main body 11 and the air is increased due to the arrangement of the main body grooves 2, and the natural heat dissipation effect of the upper heat dissipation main body 11 is improved.

The upper surface of upper cover plate 12 evenly distributed has rectangular shape recess form apron groove 13, and the setting of apron groove 13 has increased the area of contact between upper cover plate 12 and the air, has improved the radiating efficiency of upper cover plate 12 natural mode.

Set up the pencil via hole 22 in the accommodating groove 20, the second pencil via hole 25 has been seted up at the top of second accommodating groove 27, and the pencil via hole 22 is linked together with second pencil via hole 25, and the cooperation of the pencil via hole 22 and second pencil via hole 25 can make things convenient for the intercommunication of pencil between accommodating groove 20 and the second accommodating groove 27.

It has rib 1 to go up the side equidistance distribution at heat dissipation main part 11 top, upper cover plate 12 passes through the bolt and is connected with the screw hole on the rib 1, rib 1 not only can play the effect of strengthening rib, the mechanical strength of last heat dissipation main part 11 has been improved, it need not to increase the strengthening rib in the holding tank 20 to make, it increases the volume to improve holding tank 20 space usage, the great surface area of banding rib 1 has also increased the area of contact of last heat dissipation main part 11 with the air simultaneously, thereby improve the heat radiating area of heat dissipation main part 10, strengthen the radiating effect, the work efficiency of improvement controller.

The sealed rubber ring groove 21 has been seted up to the edge at holding tank 20 top, is provided with the sealed rubber ring between sealed rubber ring groove 21 and upper cover plate 12, and the sealed rubber ring can be sealed between holding tank 20 and upper cover plate 12, prevents that liquid and dust or other foreign matters from getting into in holding tank 20.

Third sealed rubber ring groove 26 has been seted up at the edge of second holding tank 27 bottom, is provided with the third sealed rubber ring between third sealed rubber ring groove 26 and the lower apron 5, and the third sealed rubber ring can be sealed between apron 5 and the second holding tank 27 down, prevents in liquid and dust or other foreign matters get into second holding tank 27.

The joints of the quick-charging input connector 4, the alternating current input connector 10, the direct current output connector 14 and the upper heat dissipation main body 11 are all provided with sealing rings, the joints of the motor controller connector 17, the air conditioner connector 16, the low-voltage signal connector 6, the low-voltage output positive electrode 7, the low-voltage output negative electrode 8 and the lower heat dissipation main body 3 are also provided with sealing rings, and the sealing rings fill the gaps between the quick-charging input connector 4, the alternating current input connector 10, the direct current output connector 14 and the upper heat dissipation main body 11 and the gaps between the motor controller connector 17, the air conditioner connector 16, the low-voltage signal connector 6, the low-voltage output positive electrode 7, the low-voltage output negative electrode 8 and the lower heat dissipation main body 3, so that liquid or other impurities are prevented from entering the accommodating groove 20 and the second accommodating groove 27 to influence the normal work of.

Go up the rear end of heat dissipation main part 11 and still be provided with the explosion-proof air release valve 19 that runs through to holding tank 20, because holding tank 20 and the inside electronic device work of second holding tank 27 are exothermic, the heat makes holding tank 20 and the inside air inflation of second holding tank 27, explosion-proof air release valve 19 can let the inside air convection that forms of holding tank, keeps the inside and outside gaseous balance of cavity to accelerate the interior heat derivation of holding tank.

This high-efficient heat abstractor of three close integrated control wares for electric automobile becomes assembly control wares in holding tank 20 and second holding tank 27 with machine of charging, DCDC controller and high-voltage distribution system integration, and three close controllers promptly reduce the space usage and rate, have realized the miniaturization.

Set up rectangular shape main part groove 2 at last heat dissipation main part 11 surface, increased last heat dissipation main part 11 surface and air area of contact under the condition that does not increase overall dimension, simultaneously, upper cover plate 12 surface also is equipped with rectangular shape apron groove 13, increase the area of contact of upper cover plate 12 surface and air under the condition that does not increase overall dimension, realize in the integrated controller when electron device and high voltage power distribution system during operation heat transfer to last heat dissipation main part 11 and upper cover plate 12 after, can dispel partial heat with the radiating mode of air through main part groove 2 of last heat dissipation main part 11 and apron groove 13 of upper cover plate 12, natural radiating effect has been improved.

When a natural heat dissipation mode is adopted, the cooling water channel is added for heat dissipation, and the heat dissipation efficiency is improved by matching water cooling with natural cooling.

Sealing performance is preferred, sealed rubber ring, the second sealed rubber ring, the setting of third sealed rubber ring and sealing washer can be to holding tank 20, cooling water course 24, second holding tank 27 seals, the leakproofness of cooling water course 24 has been guaranteed, prevent revealing of coolant liquid, the leakproofness of holding tank 20 and second holding tank 27 has been guaranteed simultaneously, avoid liquid or other impurity to get into holding tank 20 and second holding tank 27 and influence electron device and power device's normal work, stability is higher.

Set up accommodating groove 20 and second accommodating groove 27 and divide into upper and lower layer separately with machine of charging and DCDC and place, mutual isolation, mutual noninterference to two systems can independently operate, also can move simultaneously, and high voltage distribution system can be respectively for two systems independent power supply and outwards output electric energy, can reduce the mutual electromagnetic interference when two systems move.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises the series of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

The efficient heat dissipation device comprises a lower heat dissipation main body (3) and is characterized in that a second accommodating groove (27) is formed in the bottom surface of the lower heat dissipation main body (3), a lower cover plate (5) used for sealing the second accommodating groove (27) is installed on the bottom surface of the lower heat dissipation main body (3) through a fastening piece, a low-voltage signal connector (6), a low-voltage output positive electrode (7) and a low-voltage output negative electrode (8) which penetrate through the second accommodating groove (27) are arranged at the front end of the lower heat dissipation main body (3), a motor controller connector (17) and an air conditioner connector (16) which penetrate through the second accommodating groove (27) are arranged at the rear end of the lower heat dissipation main body (3), and fixing supports (9) are arranged on two sides of the bottoms of the front end and the rear end of the lower heat dissipation main body (3);

an upper heat dissipation main body (11) is mounted on the upper surface of the lower heat dissipation main body (3), the bottom surface of the upper heat dissipation main body (11) is connected with the upper surface of the lower heat dissipation main body (3) through a fastener, an th accommodating groove (20) is formed in the upper surface of the upper heat dissipation main body (11), an upper cover plate (12) used for sealing a th accommodating groove (20) is mounted on the upper surface of the upper heat dissipation main body (11) through the fastener, a quick-charging input connector (4) and an alternating current input connector (10) penetrating through the th accommodating groove (20) are arranged at the front end of the upper heat dissipation main body (11), and a direct current output connector (14) penetrating through the th accommodating groove (20) is arranged at the rear end of the upper heat;

the bottom surface of going up heat dissipation main part (11) is provided with cooling water course (24), and the edge of cooling water course (24) is provided with second sealed rubber ring groove (23), is provided with the second sealed rubber ring that is used for cooling water course (24) edge seal between the upper surface of second sealed rubber ring groove (23) and lower heat dissipation main part (3), goes up the bottom of heat dissipation main part (11) front end and is provided with cooling water course inlet tube (15) and cooling water course outlet pipe (18) that communicates with cooling water course (24) end intercommunication and in addition end with cooling water course (24).
2. The kind of high-efficiency heat sink with three-in-one integrated controller for electric vehicle as claimed in claim 1, wherein the side of the upper heat dissipating body (11) is equidistantly provided with elongated groove-shaped body slots (2).
3. The kind of high-efficiency heat sink with three-in-one integrated controller for electric vehicle as claimed in claim 2, wherein the upper surface of the upper cover plate (12) is uniformly distributed with elongated groove-shaped cover plate slots (13).
4. The high-efficiency heat dissipation device of the three-in-one integrated controller for electric vehicles according to claim 3, wherein a wiring harness through hole (22) is formed in the accommodating groove (20), a second wiring harness through hole (25) is formed in the top of the second accommodating groove (27), and the wiring harness through hole (22) is communicated with the second wiring harness through hole (25).
5. The kind of high-efficiency heat sink with three-in-one integrated controller for electric automobile according to claim 4, wherein the ribs (1) are equidistantly distributed on the side of the top of the upper heat dissipating main body (11), and the upper cover plate (12) is connected with the threaded holes on the ribs (1) through bolts.
6. The high-efficiency heat sink for three-in-one integrated controllers for electric vehicles according to claim 5, wherein a th sealing rubber ring groove (21) is formed at the edge of the top of the th accommodating groove (20), and a th sealing rubber ring is arranged between the th sealing rubber ring groove (21) and the upper cover plate (12).
7. The high-efficiency heat sink for three-in- integrated controllers for electric vehicles according to claim 6, wherein a third sealing rubber ring groove (26) is formed at the edge of the bottom of the second accommodating groove (27), and a third sealing rubber ring is arranged between the third sealing rubber ring groove (26) and the lower cover plate (5).
8. The high-efficiency heat dissipation device of three-in-one integrated controller for electric vehicles as claimed in claim 7, wherein the joints of the quick-charging input connector (4), the alternating current input connector (10), the direct current output connector (14) and the upper heat dissipation body (11) are all provided with sealing rings, and the joints of the motor controller connector (17), the air conditioner connector (16), the low-voltage signal connector (6), the low-voltage output positive electrode (7), the low-voltage output negative electrode (8) and the lower heat dissipation body (3) are also provided with sealing rings.
9. The kind of integrated controller high efficiency heat sink for electric vehicle as claimed in any one of claims 5-7 and , wherein the rear end of the upper heat dissipating body (11) is further provided with an explosion-proof and air-release valve (19) penetrating to the th receiving groove (20).