CN112839484B

CN112839484B - High-efficient cooling module of electric vehicle controller

Info

Publication number: CN112839484B
Application number: CN202011635681.0A
Authority: CN
Inventors: 李汉青; 陈波波; 陈祖亮; 王在峰
Original assignee: Xuzhou Keya Electromechanical Co ltd
Current assignee: Xuzhou Keya Electromechanical Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-05-03
Anticipated expiration: 2040-12-31
Also published as: CN112839484A

Abstract

The invention discloses an efficient cooling assembly for an electric vehicle controller, which comprises a barrel, wherein a plurality of cooling fins I are uniformly distributed on the outer circumference of the barrel, an installation mechanism is arranged in the barrel, a controller body is arranged in the installation mechanism, a fan I is arranged below the controller body, and the fan I is fixed in a base; the top of the barrel is provided with a top seat, the top end of the top seat is provided with a top cover, two fans II are embedded into the top cover, and an exhaust mechanism is arranged inside the top cover; the bottom of the barrel is provided with a base, the bottom of the base is provided with a bottom cover, and a heat conduction mechanism is arranged inside the bottom cover; the heat conduction mechanism comprises two heat conduction devices, the two heat conduction devices are respectively positioned at one side of the two air outlets, and the two heat conduction devices are connected with a driving device.

Description

High-efficient cooling module of electric vehicle controller

Technical Field

The invention relates to the technical field of heat dissipation of electric vehicle controllers, in particular to an efficient cooling assembly for an electric vehicle controller.

Background

The electric vehicle controller is a core control device used for controlling the starting, running, advancing and retreating, speed and stopping of a motor of an electric vehicle and other electronic devices of the electric vehicle, is like the brain of the electric vehicle, and is an important part on the electric vehicle. The electric vehicle mainly comprises an electric bicycle, an electric two-wheel motorcycle, an electric tricycle, an electric three-wheel motorcycle, an electric four-wheel vehicle, an electric battery car and the like, and the electric vehicle controller has different performances and characteristics due to different vehicle types.

The electric vehicle controller can accumulate a large amount of heat during continuous working, and the existing electric vehicle controller has a single heat dissipation mode and cannot meet the heat dissipation of the controller under different conditions; and the existing electric vehicle controller is inconvenient to install and maintain.

Disclosure of Invention

The invention aims to provide an efficient cooling assembly of an electric vehicle controller, which can realize efficient cooling of a controller body.

In order to solve the technical problems, the invention provides the following technical scheme: an efficient cooling assembly of an electric vehicle controller comprises a barrel, wherein a plurality of cooling fins I are uniformly distributed on the outer circumference of the barrel, an installation mechanism is arranged inside the barrel, a controller body is arranged in the installation mechanism, a fan I is arranged below the controller body, and the fan I is fixed inside a base; the top of the barrel is provided with a top seat, the top end of the top seat is provided with a top cover, two fans II are embedded into the top cover, and an exhaust mechanism is arranged inside the top cover; the bottom of the barrel is provided with a base, the bottom of the base is provided with a bottom cover, and a heat conduction mechanism is arranged inside the bottom cover;

the heat conduction mechanism comprises two heat conduction devices, the two heat conduction devices are respectively positioned at one side of the two air outlets, the two heat conduction devices are connected with a driving device, and the driving device is used for driving the two heat conduction devices to simultaneously approach or simultaneously leave the barrel;

the heat conducting device comprises a plurality of two radiating fins II, a plurality of arc-shaped heat conducting fins arranged in parallel are uniformly distributed between the two radiating fins II, and a supporting plate is connected between the tops of the two radiating fins II.

Furthermore, the included angle between the axis of the arc-shaped heat conducting fin and the vertical direction is 30-45 degrees.

Furthermore, the driving device comprises a gear I, a rotating shaft I is fixed inside the gear I, and the rotating shaft I is rotatably arranged on the bottom cover; two sides of the gear I are respectively meshed with a rack, one side of each rack is respectively fixed with a guide rod, the two guide rods respectively penetrate through guide holes in the base, and a connecting rod is connected between each guide rod and each heat conduction device; one of them gear I is connected with a fixed block, the fixed block is connected fixedly with a linear motor output, linear motor installs on installing support I, installing support I is fixed on the base.

Furthermore, the tops of the two racks are respectively connected with a sliding block, and the two sliding blocks are respectively arranged in two sliding grooves formed in the base in a sliding manner.

Further, the air exhaust device comprises a motor, the motor is fixed on a mounting bracket II, and the mounting bracket II is fixed on the top seat; the output of motor is connected with pivot II, the outside cover of pivot II is equipped with a link, the link outside is equipped with the ring gear, the outside meshing of ring gear has two gears II, and the inside of two gears II is fixed with a pivot III respectively, pivot III rotates and locates on the footstock, and the footstock is passed respectively to the bottom of two pivots III, and the cover is equipped with a flabellum respectively, and two flabellums are located top one side of two wind gaps.

Furthermore, a fixed plate is fixed at the bottom end of the rotating shaft II, a supporting column is fixed on one side of the bottom of the fixed plate, and a scraper is arranged outside the supporting column.

Further, installation mechanism includes four spacing, and the controller body is located between four spacing, and the bottom fixedly connected with baffle I of each spacing, and the top of each spacing can be dismantled and be connected with baffle II, and the top and the bottom of controller body contact with baffle I and baffle II respectively, each spacing respectively with the inner wall of barrel between be connected with two fixed strips.

Furthermore, the baffle II and each limit strip are fixedly connected through screws.

Further, the top cover and the top seat are fixedly connected through screws; the top cover and the barrel are fixedly connected through screws.

Furthermore, two mounting blocks are fixed outside the bottom cover, and mounting holes are formed in the mounting blocks.

Compared with the prior art, the invention has the following beneficial effects:

1. the fan I and the fan II are arranged to accelerate hot gas and flow in the cylinder body and help the gas to transfer heat to the inner wall of the cylinder body, the plurality of radiating fins I and the two air outlets are arranged outside the cylinder body, heat dissipation of the controller body is facilitated, and the controller is suitable for the condition that the working time of the controller body is short and the heat in the controller body is not high;

2. the heat conducting device and the driving device air exhaust device are arranged, so that the heat dissipation effect is further improved, and the controller body can be efficiently cooled;

3. the controller body is convenient to install through being equipped with installation mechanism, and top cap and footstock can be dismantled simultaneously, the installation and the maintenance of the controller body of being convenient for change.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the installation of the exhaust of the present invention;

FIG. 3 is a schematic view of the installation mechanism of the present invention;

FIG. 4 is a schematic view of the installation of the heat transfer mechanism of the present invention;

FIG. 5 is a schematic view of the structure of the heat transfer mechanism of the present invention;

FIG. 6 is a schematic view of the slider mounting of the present invention;

FIG. 7 is a schematic structural diagram of a heat transfer device according to the present invention;

FIG. 8 is a schematic view of the arrangement of the arc-shaped heat-conducting fins of the present invention;

FIG. 9 is a schematic view of the top mount installation of the present invention;

FIG. 10 is a schematic structural view of the mounting mechanism of the present invention;

in the figure: 1. a barrel; 11. an air outlet; 2. a base; 21. a bottom cover; 211. mounting blocks; 22. a fan I; 23. a guide hole; 24. a chute; 3. a heat conduction mechanism; 31. a heat conducting device; 311. a heat radiating fin II; 312. a support plate; 313. an arc-shaped heat-conducting fin; 32. a gear I; 33. a rotating shaft I; 34. a rack; 35. a guide bar; 36. mounting a bracket I; 37. a linear motor; 371. a fixed block; 38. a connecting rod; 39. a slider; 4. a top seat; 5. a top cover; 51. a fan II; 6. a heat radiating fin I; 7. an air exhaust device; 71. mounting a bracket II; 711. a motor; 7111. a rotating shaft II; 72. a connecting frame; 721. a ring gear; 73. a gear II; 74. a rotating shaft III; 741. a fan blade; 75. a fixing plate; 76. a support pillar; 77. a squeegee; 8. an installation mechanism; 81. a limiting strip; 811. a fixing strip; 82. a baffle plate I; 83. a baffle II; 9. a controller body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides the following technical solutions: an efficient cooling assembly for an electric vehicle controller comprises a barrel body 1, wherein a plurality of cooling fins I6 are uniformly distributed on the outer circumference of the barrel body 1, a controller body 9 mounting mechanism 8 is arranged inside the barrel body 1, a controller body 9 is arranged inside the controller body 8, a fan I22 is arranged below the controller body 9, and the fan I22 is fixed inside a base 2; the top of the barrel 1 is provided with a top seat 4, the top end of the top seat 4 is provided with a top cover 5, two fans II 51 are embedded in the top cover 5, and an exhaust mechanism is arranged inside the top cover 5; the bottom of the cylinder body 1 is provided with a base 2, the bottom of the base 2 is provided with a bottom cover 21, and the inside of the bottom cover 21 is provided with a heat conduction mechanism 3;

the heat conduction mechanism 3 comprises two heat conduction devices 31, the two heat conduction devices 31 are respectively positioned at one side of the two air outlets 11, the two heat conduction devices 31 are connected with a driving device, and the driving device is used for driving the two heat conduction devices 31 to simultaneously approach or simultaneously leave the cylinder 1;

the heat conducting device 31 comprises a plurality of two radiating fins II 311, a plurality of arc-shaped heat conducting fins 313 arranged in parallel are uniformly distributed between the two radiating fins II 311, and a supporting plate 312 is connected between the tops of the two radiating fins II 311.

The axis of arc conducting strip 313 and the contained angle between the vertical direction are 30 ~ 45 degrees, and arc conducting strip 313 adopts the foil that the thermal conductivity is good to make, sets up certain angle between its and the vertical direction, and its during operation helps the contact of increase and the inside hot-air of barrel 1.

The driving device comprises a gear I32, a rotating shaft I33 is fixed inside the gear I32, and the rotating shaft I33 is rotatably arranged on the bottom cover 21; two sides of the gear I32 are respectively engaged with a rack 34, one side of each rack 34 is respectively fixed with a guide rod 35, the two guide rods 35 respectively penetrate through the guide holes 23 on the base 2, a connecting rod 38 is respectively connected between each guide rod 35 and each heat conduction device 31, and the top end of each connecting rod 38 is fixedly connected with the support plate 312; wherein a gear I32 is connected with a fixed block 371, fixed block 371 is connected fixedly with a linear motor 37 output, linear motor 37 is installed on installing support I36, installing support I36 is fixed on base 2, drive fixed block 371 to keeping away from the direction removal at gear I32 center through linear motor 37, fixed block 371 drives the rack 34 motion rather than being connected, under gear I32's effect, drive another rack 34 motion, through the meshing of gear and two racks 34, can realize driving two racks 34 synchronous relative or back of the body motion mutually, and then can drive two heat conduction device 31 and be close to or keep away from two wind gap 11.

The tops of the two racks 34 are respectively connected with a sliding block 39, the two sliding blocks 39 are respectively arranged in the two sliding grooves 24 formed in the base 2 in a sliding manner, and the sliding blocks 39 and the sliding grooves 24 are arranged, so that the racks 34 can be conveniently and stably moved.

The air exhaust device 7 comprises a motor 711, the motor 711 is fixed on a mounting bracket II 71, and the mounting bracket II 71 is fixed on the top seat 4; the output end of the motor 711 is connected with a rotating shaft II 7111, the outside of the rotating shaft II 7111 is sleeved with a connecting frame 72, the outside of the connecting frame 72 is provided with a gear ring 721, the outside of the gear ring 721 is meshed with two gears II 73, the inside of the two gears II 73 is respectively fixed with a rotating shaft III 74, the rotating shaft III 74 is rotatably arranged on the top seat 4, the bottom ends of the two rotating shafts III 74 respectively penetrate through the top seat 4 and are respectively sleeved with a fan blade 741, the two fan blades 741 are positioned on one side above the two air outlets 11, the rotating shaft II 7111 is driven to rotate through the motor 711, so that the connecting frame 72 and the gear ring 721 are driven to rotate, and the gear ring 721 is externally meshed with the two gears II 73, so that the gear II 73 can be driven to rotate, the two fan blades 741 are driven to rotate, and the heat dissipation work is performed. The bottom mounting of II 7111 of pivot has a fixed plate 75, and fixed plate 75 bottom one side is fixed with a support column 76, and the outside of support column 76 is equipped with a scraper blade 77, and it is rotatory to drive fixed plate 75 and support column 76 through II 7111 of pivot to realize scraper blade 77's rotation, the air current of the disturbance barrel 1 of being convenient for flows, makes things convenient for the hot-air in the barrel 1 to discharge through two rows of wind gaps 11.

Installation mechanism 8 includes four spacing 81, spacing 81 is L type structure, controller body 9 is located between four spacing 81, the bottom fixedly connected with baffle I82 of each spacing 81, each top of spacing 81 can be dismantled and is connected with baffle II 83, the top and the bottom of controller body 9 contact with baffle I82 and baffle II 83 respectively, each spacing 81 respectively with be connected with two fixed strips 811 between the inner wall of barrel 1, installation mechanism 8 is used for the installation of controller body 9 fixed, baffle I82 and baffle II 83 are fixed through the screw connection respectively with each spacing 81 between, make baffle II 83 can follow spacing 81 and dismantle, thereby be convenient for the installation of controller body 9 with take out.

The top cover 5 and the top seat 4 are fixedly connected through screws; fixed through the screw connection between top cap 5 and the barrel 1, and the screw that is connected between top cap 5 and the barrel 1 pierces through footstock 4, make footstock 4 can dismantle the connection on top cap 5, top cap 5 demountable installation is on barrel 1, thereby be convenient for top cap 5 and footstock 4 pull down from barrel 1, and then conveniently with holistic dismantlements such as top cap 5, footstock 4 and exhaust device 7, and then be convenient for controller body 9 to take out from installation mechanism 8, make things convenient for the maintenance of controller body 9 to change.

Two mounting blocks 211 are fixed on the outer portion of the bottom cover 21, mounting holes are formed in the mounting blocks 211, and the mounting holes are arranged to facilitate mounting and fixing of the cooling assembly.

The working principle is as follows: when the working time of the controller body 9 is short and the internal temperature is not high, the air flow in the cylinder 1 is accelerated by oppositely blowing the fan I22 and the two fans II 51, so that the contact between the hot air in the cylinder 1 and the inside of the cylinder 1 is accelerated, the heat accumulated on the wall of the cylinder 1 can be quickly conducted and transferred to the external air due to the arrangement of the plurality of radiating fins I6, and the hot air in the cylinder 1 can be exchanged with the external air through the two air outlets 11, so that the quick heat dissipation and cooling of the controller body 9 are realized; when the controller body 9 works for a long time, the fan i 22 and the two fans ii 51 work, and at the same time, the linear motor 37 is controlled to drive the fixing block 371 to move in a direction away from the center of the gear i 32, the fixing block 371 drives the rack 34 connected thereto to move, under the action of the gear i 32, the other rack 34 is driven to move, the two racks 34 are driven to synchronously move relatively by the engagement of the gear i 32 and the two racks 34, and then the two heat conduction devices 31 can be driven to approach the two air outlets 11, when the two heat conduction devices 31 approach, the offline motor stops driving the fixing block 371 to move, at the same time, the motor 711 is started, the motor 711 drives the rotating shaft ii 7111 to rotate, thereby driving the connecting frame 72 and the gear ring 721 to rotate, because the gear ii 73 is engaged outside the gear ring 721, the gear ii 73 can be driven to rotate, and then the two fan blades 741 are driven to rotate, and the two fan blades 741 rotate to accelerate the flow of air at the two air outlets 11, simultaneously pivot II 7111 drives fixed plate 75 and support column 76 rotatory, thereby realize the rotation of scraper blade 77, be convenient for disturb the air current flow of barrel 1, make things convenient for the hot-air in the barrel 1 to discharge through two wind gap 11, the hot-gas of exhaust outlet 11 exhaust carries out heat-conduction through two heat conduction device 31, increase and the contact of discharge hot gas through a plurality of parallel arrangement's arc fin, be convenient for with heat transfer to each arc fin 313 on, because the flow of two rows of wind gap 11 departments gas is accelerated in the rotation of two flabellums 741, thereby be convenient for the heat on the arc fin 313 to dispel fast, through exhaust device 7, heat conduction device 31 further promotes the heat dissipation cooling effect, realize the high-efficient cooling to controller body 9.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 a list 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.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electric vehicle controller high efficiency cooling subassembly which characterized in that: the cooling device comprises a barrel, wherein a plurality of cooling fins I are uniformly distributed on the outer circumference of the barrel, an installation mechanism is arranged in the barrel, a controller body is arranged in the installation mechanism, a fan I is arranged below the controller body, and the fan I is fixed in a base; the top of the barrel is provided with a top seat, the top end of the top seat is provided with a top cover, two fans II are embedded into the top cover, and an exhaust mechanism is arranged inside the top cover; the bottom of the barrel is provided with a base, the bottom of the base is provided with a bottom cover, and a heat conduction mechanism is arranged inside the bottom cover;

2. The efficient cooling assembly for electric vehicle controllers as claimed in claim 1, wherein: the included angle between the axis of the arc-shaped heat conducting fin and the vertical direction is 30-45 degrees.

3. The efficient cooling assembly for electric vehicle controllers as claimed in claim 1, wherein: the driving device comprises a gear I, a rotating shaft I is fixed inside the gear I, and the rotating shaft I is rotatably arranged on the bottom cover; two sides of the gear I are respectively meshed with a rack, one side of each rack is respectively fixed with a guide rod, the two guide rods respectively penetrate through guide holes in the base, and a connecting rod is connected between each guide rod and each heat conduction device; one of them gear I is connected with a fixed block, the fixed block is connected fixedly with a linear motor output, linear motor installs on installing support I, installing support I is fixed on the base.

4. The efficient cooling assembly for electric vehicle controllers as claimed in claim 3, wherein: the tops of the two racks are respectively connected with a sliding block, and the two sliding blocks are respectively arranged in two sliding grooves formed in the base in a sliding mode.

5. The efficient cooling assembly for electric vehicle controllers as claimed in claim 1, wherein: the air exhaust device comprises a motor, the motor is fixed on a mounting bracket II, and the mounting bracket II is fixed on the top seat; the output of motor is connected with pivot II, the outside cover of pivot II is equipped with a link, the link outside is equipped with the ring gear, the outside meshing of ring gear has two gears II, and the inside of two gears II is fixed with a pivot III respectively, pivot III rotates and locates on the footstock, and the footstock is passed respectively to the bottom of two pivots III, and the cover is equipped with a flabellum respectively, and two flabellums are located top one side of two wind gaps.

6. The efficient cooling assembly for electric vehicle controllers as recited in claim 5, wherein: the bottom mounting of pivot II has a fixed plate, fixed plate bottom one side is fixed with a support column, the outside of support column is equipped with a scraper blade.

7. The efficient cooling assembly for electric vehicle controllers as claimed in claim 1, wherein: the installation mechanism comprises four limiting strips, the controller body is located between the four limiting strips, the bottom end of each limiting strip is fixedly connected with a baffle I, the top of each limiting strip is detachably connected with a baffle II, the top and the bottom of the controller body are respectively in contact with the baffle I and the baffle II, and two fixing strips are respectively connected between each limiting strip and the inner wall of the barrel.

8. The efficient cooling assembly for an electric vehicle controller according to claim 7, wherein: and the baffle II and each limit strip are fixedly connected through screws.

9. The efficient cooling assembly for electric vehicle controllers as claimed in claim 1, wherein: the top cover and the top seat are fixedly connected through screws; the top cover and the barrel are fixedly connected through screws.

10. The efficient cooling assembly for electric vehicle controllers as claimed in claim 1, wherein: two mounting blocks are fixed outside the bottom cover, and mounting holes are formed in the mounting blocks.