CN115360458A

CN115360458A - New energy automobile group battery convenient to cool down by oneself

Info

Publication number: CN115360458A
Application number: CN202211199170.8A
Authority: CN
Inventors: 杨小平
Original assignee: Wuxi Institute of Technology
Current assignee: Wuxi Institute of Technology
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-11-18

Abstract

The application relates to a new energy automobile group battery convenient to cool down by oneself relates to new energy automobile group battery field. The heat dissipation device comprises a fixed mounting seat, an inner box and an upper top cover, wherein the lower end of the fixed mounting seat is connected with fixed support legs, the upper end of the fixed mounting seat is provided with an outer frame, the lower end of the middle part of the fixed mounting seat is also connected with a heat dissipation assembly, and the heat dissipation assembly is communicated with the inner space of the outer frame; the inner box is positioned inside the outer frame, a limiting frame is arranged inside the inner box, a battery module is arranged in the limiting frame, a first buffer mechanism is arranged between the inner box and the fixed mounting seat, and a second buffer mechanism is arranged between the outer side wall of the inner box and the inner side wall of the outer frame; the upper top cover is connected to the upper end of the outer frame, the upper top cover is detachably connected with the outer frame through a limiting lock rod, and a third buffer mechanism is arranged between the upper top cover and the inner box. The battery module inside the new energy automobile battery pack is protected in a buffering mode while the new energy automobile battery pack automatically dissipates heat.

Description

New energy automobile group battery convenient to cool down by oneself

Technical Field

The application relates to new energy automobile group battery technical field, in particular to new energy automobile group battery convenient to cool down by oneself.

Background

As is well known, energy and environmental protection forms are increasingly tense, batteries are increasingly popular as power energy, lithium batteries for new energy automobiles gradually become the first choice in the field of new energy due to the remarkable advantages of high energy density, small volume, light weight, environmental protection, no pollution, no memory effect and the like, are auxiliary devices for electric automobiles to carry out electric energy transmission so as to better realize automobile power transmission, and are widely used in the fields of electric energy storage and new energy automobile power supply; the lithium battery pack for the existing new energy automobile comprises a protective shell, a first charging head and a first protective circuit board, wherein a working cavity is formed in the protective shell, a plurality of groups of batteries are sequentially arranged in the working cavity and are connected in series, a first thermal switch and a first alarm indicator lamp are arranged on each group of batteries, the plurality of groups of batteries are electrically connected with the first protective circuit board through the first thermal switch, the first charging head is installed on the side wall of the left end of the protective shell and is electrically connected with input ends of the plurality of groups of batteries through a transformer, a first discharging port is further formed in the outer wall of the right side of the protective shell, and the first discharging port is electrically connected with output ends of the plurality of groups of batteries; when the lithium battery pack for the existing new energy automobile is used, firstly, a plurality of groups of batteries are charged through a first charging head, then, a power supply input line of an automobile motor is inserted into a first discharging port to be communicated with the plurality of groups of batteries, and the power supply input line is supplied to the motor for use through the electric quantity stored in the plurality of groups of batteries.

Chinese patent No. CN108321457B discloses a lithium battery pack for a new energy vehicle, which can achieve uniform heat dissipation among a plurality of groups of batteries, and improve the service life of the batteries; the condition that the connection parts of the multiple groups of batteries are loosened due to external impact is prevented, and the use reliability is improved; the charging device comprises a protective shell, a first charging head and a first protective circuit board, wherein multiple groups of batteries are connected in series; the heat dissipation fan comprises a plurality of groups of heat conducting fins, two groups of heat dissipation fans and a transverse pull rod, wherein an upper air outlet and a lower air outlet are respectively formed in the upper end and the lower end of the outer wall of the right side of the protection shell, and the input ends of the two groups of heat dissipation fans are communicated with the upper air outlet and the lower air outlet; the damping device is characterized by further comprising an upper top plate, a lower top plate, an upper bottom plate, a lower bottom plate, two groups of first threaded rods, two groups of second threaded rods, two groups of first nuts and two groups of second nuts, wherein first damping springs are arranged, and rubber damping cushions are arranged between the upper top plate and the lower bottom plate and between the upper bottom plate and the lower bottom plate.

Chinese patent No. CN108819686B discloses a battery pack for a new energy vehicle, which is convenient to disassemble and fix, and the new energy battery pack of the present invention not only can conveniently disassemble and assemble a cell array so as to maintain, replace and repair the cell array, but also can conveniently disassemble the whole battery box, and adopts a special locking assembly, so that the stability of the battery box can be improved, the whole battery box can be conveniently disassembled and assembled, the disassembly and assembly are convenient and simple, and the installation performance of the battery pack for the electric vehicle is greatly improved.

Chinese patent publication No. CN111923732B discloses a temperature protection device of new energy automobile battery pack, including group battery, induction system and stand-by motor, the both sides of group battery be provided with induction system respectively, group battery and induction system set up on the base, stand-by motor pass through overload protection device and be connected with two induction system, one side that induction system is close to the group battery be provided with the contactor.

Chinese patent grant publication No. CN113665339B discloses an installation mechanism of new energy automobile battery pack, relates to new energy automobile technical field, including the install bin, still includes: a drive member; the mounting plate is used for placing the battery pack; one end of the lifting mechanism is connected with the driving piece, and the other end of the lifting mechanism is connected with the mounting plate; fixture, one end is connected with elevating system, and the other end and group battery butt, fixture includes linkage subassembly and fixed subassembly.

The above prior art solutions have the following drawbacks: the group battery can produce a lot of heats in long-time use, is not convenient for carry out automatic heat dissipation, can lead to inside spare part to damage because of some collisions during the use, is not convenient for carry out buffering protection, and the practical function is not good, therefore we provide a new energy automobile group battery convenient to cool down by oneself to solve the problem that exists among the above-mentioned prior art.

Disclosure of Invention

The utility model provides a new energy automobile group battery convenient to cool down by oneself to solve group battery among the above-mentioned prior art and can produce a lot of heats in long-time use, be not convenient for carry out automatic heat dissipation, can lead to inside battery module to damage because of some collisions during the use, be not convenient for carry out buffer protection, and the not good problem of practical function.

In order to achieve the purpose, the technical scheme adopted by the application is as follows:

the utility model provides a new energy automobile group battery convenient to cool down by oneself, includes:

the heat dissipation device comprises a fixed mounting seat, wherein the lower end of the fixed mounting seat is connected with a plurality of fixed support legs, the fixed support legs are provided with first adjusting bolts, the upper end of the fixed mounting seat is provided with an outer frame with an upper opening and a lower opening, the lower end of the middle part of the fixed mounting seat is also connected with a plurality of heat dissipation assemblies, a first inner cavity is further formed in the fixed mounting seat, a filter screen plate is arranged in the inner cavity, a plurality of vent holes are formed in the upper side and the lower side of the inner cavity in a penetrating manner, the positions of the vent holes correspond to the positions of the heat dissipation assemblies, and the heat dissipation assemblies are communicated with the inner space of the outer frame through the vent holes;

the inner box is positioned inside the outer frame, the top of the inner box is provided with an opening, a limiting frame is arranged inside the inner box, a plurality of battery modules are arranged in the limiting frame, a first buffer mechanism is arranged between the inner box and the fixed mounting seat, and a second buffer mechanism is arranged between the outer side wall of the inner box and the inner side wall of the outer frame;

the upper top cover is connected to the upper end of the outer framework, the upper top cover is detachably connected with the outer framework through a limiting lock rod, a handle is arranged on the limiting lock rod, and a third buffer mechanism is arranged between the upper top cover and the inner box.

Through adopting above-mentioned technical scheme, realized the automatic heat dissipation of battery module in long-time use to can carry out stable installation to battery module, avoid causing the collision.

In a possible implementation manner, the first buffer mechanism comprises a first limiting groove arranged at the lower part of two inner side walls of the outer frame, a limiting rod is vertically arranged in the first limiting groove, a transverse plate is movably arranged at the lower side of the inside of the outer frame, two ends of the transverse plate are respectively connected with the two limiting rods in a sliding mode along the vertical direction, a plurality of heat dissipation holes are formed in the transverse plate in a penetrating mode, the lower end of the transverse plate is connected with the upper end of the fixed mounting seat in an elastic mode through a plurality of first limiting springs, and the upper end of the transverse plate is attached to the lower end of the inner box.

By adopting the technical scheme, the bottom of the inner box is buffered, and meanwhile, the heat dissipation of the inner battery module of the inner box by the heat dissipation assembly is not influenced.

In a possible implementation manner, the second buffer mechanism includes a movable baffle located outside the inner box, the movable baffle is attached to the outer side wall of the inner box, and the movable baffle is elastically connected to the inner side wall of the outer frame through a second limiting spring; and a glass observation window is arranged on the front side of the outer frame.

Through adopting above-mentioned technical scheme, can play the effect of buffering anticollision to the periphery of interior box.

In a possible implementation mode, the third buffer gear includes two second inner chambers of seting up in the upper cover, every all rotate through the bearing in the second inner chamber and be connected with the lead screw, still install driving motor in one of them second inner chamber, driving motor's power take off end with the one end transmission of lead screw is connected, and the middle part of every lead screw all is equipped with the synchronizing wheel, two connect through synchronous belt drive between the synchronizing wheel, lie in on the lead screw the equal threaded connection in both sides of synchronizing wheel has a nut vice, the vice lower extreme of nut articulates there is the connecting rod, the lower extreme of connecting rod articulates there is the activity diaphragm, the lower extreme of activity diaphragm is connected with a plurality of even interval distribution's arc rubber stupefied, arc rubber stupefied through the third adjusting bolt with the connection can be dismantled to the activity diaphragm.

By adopting the technical scheme, the limiting frame can be pressed under the action of the arc rubber edge, and the damping and buffering effects are achieved.

In a possible implementation manner, mounting plates are vertically connected to two sides of the lower end of the upper top cover, the mounting plates extend into the outer frame, a rubber block is arranged between the outer side wall of each mounting plate and the inner side wall of the outer frame, second limiting grooves are formed in two opposite sides of the two mounting plates, limiting connecting pieces are arranged on two sides of the movable transverse plate, and the two limiting connecting pieces are respectively in sliding connection with the two second limiting grooves; and a plurality of third limiting springs are further arranged between the upper end of the middle part of the movable transverse plate and the upper top cover.

Through adopting above-mentioned technical scheme, can play the effect of sliding guide to the removal of activity diaphragm, make the removal of activity diaphragm more stable.

In a possible implementation mode, the heat dissipation assembly comprises an outer shell with an opening at the top, a motor is installed in the outer shell, blades are connected to the motor in a transmission mode, the outer shell is detachably connected with the fixed mounting seat through a second adjusting bolt, and a plurality of through ventilation holes are formed in the bottom of the outer shell.

Through adopting above-mentioned technical scheme, can open motor rotor blade when, carry out automatic heat dissipation to the inside battery module of outer frame and handle.

In a possible implementation manner, the thread directions of the two ends of the screw rod are oppositely arranged left and right relative to the synchronous wheel.

By adopting the technical scheme, when the driving motor is turned on to rotate the screw rod, the two nut pairs which are positioned on the two sides of the synchronizing wheel and are connected onto the screw rod through threads can be driven to move oppositely or back to back, so that the movable transverse plate can stably move up and down in the mounting plate through the limiting connecting piece.

In a possible implementation manner, the limit lock rod is rotatably connected with the top of the outer frame through a bearing, and the limit lock rod is connected with the upper top cover in a clamping manner.

By adopting the technical scheme, the upper top cover and the outer frame can be tightly closed when the limiting lock rod is rotated, so that loosening and separation are avoided.

In a possible implementation manner, the plurality of battery modules are clamped in the limiting frame, and the plurality of battery modules are uniformly distributed in the limiting frame at intervals.

Through adopting above-mentioned technical scheme, can utilize spacing to carry out independent distribution to battery module and place, be convenient for carry on spacing fixedly.

In a possible implementation manner, the number of the fixed legs is four, and the four fixed legs are uniformly distributed at intervals; the quantity of radiator unit is two, two radiator unit is about the perpendicular bisector of fixed mounting seat is the symmetry setting.

Through adopting above-mentioned technical scheme, can make the stable installation of fixed mounting seat through fixed landing leg on the car, avoid producing and rock.

The beneficial effect that technical scheme that this application provided brought includes at least:

1. the lower side of the outer shell of the heat dissipation assembly is uniformly provided with the plurality of through ventilation holes, so that the battery module in the outer frame can be automatically subjected to heat dissipation treatment when the motor rotating blade is opened, the battery is prevented from being overheated due to long-time use, the arc-shaped heat dissipation holes formed in the inner sides of the transverse plates are cooperatively placed, heat can be better dissipated, and the ventilation and heat dissipation performance of the device is effectively improved;

2. the buffer device has the advantages that the buffer device is provided with nested sliding structure arrangement for placing two ends of the transverse plate and two limiting rods, and arrangement for placing a plurality of first limiting springs between the transverse plate and the fixed mounting seat, and the transverse plate and the inner box are in fit arrangement, so that the transverse plate can stably move up and down under the action of the first limiting springs, the buffer effect is convenient to bring, fit arrangement is formed between the movable baffle plate and the inner box, and the movable baffle plate forms an elastic buffer structure in the outer frame through the second limiting springs, so that the outer side of the whole inner box is buffered and protected under the action of the second limiting springs, and the protection performance of the device is effectively improved;

3. the screw thread direction through setting up the lead screw is about the synchronizing wheel opposite setting, can open driving motor and rotate the lead screw, it moves in opposite directions or back to back with each other to drive two pairs of nuts that are located the screw thread connection on the lead screw of synchronizing wheel both sides, the lower extreme that the vice lower extreme of cooperation nut articulates there is the connecting rod and the lower extreme of connecting rod articulates there is the activity diaphragm, and the activity diaphragm passes through spacing connecting piece and constitutes block type sliding structure on the mounting panel, when opening driving motor and rotating the lead screw, because the middle part of every lead screw all overlaps and is equipped with the synchronizing wheel, the setting of connecting through synchronous belt drive between two synchronizing wheels, can make two lead screws rotate simultaneously, it reciprocates to drive the activity diaphragm through the connecting rod and carry out stably in the second spacing inslot of mounting panel when the vice motion of back to back of nut, so that it supports to press to utilize arc rubber stupefied to carry out to the upper end of spacing, and bring the effect of shock attenuation buffering, the device's practical effect has been effectively improved.

Drawings

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

fig. 1 illustrates a schematic front sectional structure view of a new energy automobile battery pack convenient for self-cooling according to an exemplary embodiment of the present application;

FIG. 2 shows an enlarged partial schematic view at A of FIG. 1;

FIG. 3 shows a schematic enlarged view of a portion of FIG. 1 at B;

fig. 4 shows a schematic structural diagram of a third buffer mechanism of a new energy automobile battery pack for facilitating self-cooling according to an exemplary embodiment of the present application;

fig. 5 is a schematic structural diagram illustrating a first buffer mechanism of a new energy vehicle battery pack for facilitating self-cooling according to an exemplary embodiment of the present application;

fig. 6 shows a schematic structural diagram of an outer frame of a new energy automobile battery pack for facilitating self-cooling according to an exemplary embodiment of the present application;

fig. 7 is a schematic structural diagram illustrating a heat dissipation assembly of a new energy vehicle battery pack, which facilitates self-cooling according to an exemplary embodiment of the present application;

fig. 8 shows a schematic connection diagram of a synchronous wheel and a synchronous belt of a new energy vehicle battery pack, which is provided by an exemplary embodiment of the present application and facilitates self-cooling;

fig. 9 is a schematic top view illustrating a connection between an upper cover and a limit lock rod of a new energy vehicle battery pack, which is convenient for self-cooling according to an exemplary embodiment of the present application;

in the figure: 1. fixing the mounting seat; 101. a first lumen; 102. a vent hole; 2. a fixed leg; 3. a first adjusting bolt; 4. a heat dissipating component; 401. an outer housing; 402. a second adjusting bolt; 403. A motor; 404. a blade; 405. a vent hole; 5. filtering the screen plate; 6. an outer frame; 601. a first limit groove; 7. a limiting rod; 8. placing a transverse plate; 9. a first limit spring; 10. heat dissipation holes; 11. an inner case; 12. a battery module; 13. a limiting frame; 14. a movable baffle; 15. a second limit spring; 16. a top cover is arranged; 1601. a second lumen; 17. a limit lock rod; 18. a handle; 19. a drive motor; 20. a screw rod; 21. a synchronizing wheel; 22. a synchronous belt; 23. a nut pair; 24. a connecting rod; 25. a movable transverse plate; 26. a limiting connecting piece; 27. mounting a plate; 2701. a second limit groove; 28. A rubber block; 29. arc-shaped rubber ribs; 30. a third adjusting bolt; 31. a third limit spring; 32. A glass viewing window.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

Wherein like parts are designated by like reference numerals. It should be noted that, as used in the following description, the terms "front", "rear", "left", "right", "upper" and "lower" refer to directions in the drawings of the present specification, and the terms "bottom" and "top", "inner" and "outer" refer to directions toward and away from a specific component, respectively. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more.

The present application will be further described with reference to the drawings and examples.

Fig. 1 shows the schematic diagram of the positive section structure of a new energy automobile group battery convenient to cool down by oneself that an exemplary embodiment of this application provided, this new energy automobile group battery convenient to cool down by oneself, including fixed mounting seat 1, a plurality of even interval distribution's of fixed mounting seat 1's lower extreme fixedly connected with fixed leg 2, fixed leg 2 is the L type, install first adjusting bolt 3 on the fixed leg 2, first adjusting bolt 3 runs through fixed leg 2, fixed mounting seat 1 is installed on the car through this fixed leg 2 is stable, avoid producing and rock. The upper end of the fixed mounting seat 1 is provided with an outer frame 6 with an upper opening and a lower opening, and the lower end of the middle part of the fixed mounting seat 1 is also connected with a plurality of radiating assemblies 4.

Referring to fig. 2, a first inner cavity 101 is further formed inside the fixed mounting base 1, a filter screen 5 is disposed in the inner cavity 101, a plurality of vent holes 102 are formed through the upper and lower sides of the inner cavity 101, the vent holes 102 are uniformly spaced apart from each other, and the positions of the vent holes 102 correspond to the positions of the heat dissipation assembly 4, so that the heat dissipation assembly 4 is communicated with the inner space of the outer frame 6 through the vent holes 102, thereby facilitating heat dissipation.

Referring to fig. 1, 3 and 9, an inner box 11 is movably disposed inside the outer frame 6, the inner box 11 has an open top, a limiting frame 13 is disposed inside the inner box 11, a plurality of battery modules 12 are clamped in the limiting frame 13, a first buffer mechanism is disposed between the inner box 11 and the fixed mounting base 1, and a second buffer mechanism is disposed between an outer sidewall of the inner box 11 and an inner sidewall of the outer frame 6. An upper top cover 16 is further mounted at the upper end of the outer frame 6, the upper top cover 16 is detachably connected with the outer frame 6 through a limiting lock rod 17, a handle 18 is arranged on the limiting lock rod 17, and a third buffer mechanism is mounted between the upper top cover 16 and the inner box 11.

In the embodiment of the application, through the arrangement of the heat dissipation assembly 4, the battery module 12 in the outer frame 6 can be automatically subjected to heat dissipation treatment, so that the battery is prevented from being overheated due to long-time use, and the ventilation and heat dissipation performance of the device is effectively improved; through the setting of the first buffer gear of installation between interior box 11 and the fixed mounting seat 1, the second buffer gear of installation between the lateral wall of interior box 11 and the inside wall of outer frame 6 and the third buffer gear of installation between last top cap 16 and interior box 11, realized cushioning protection to the holistic outside of interior box 11, the effectual protectiveness that has improved the device.

In the embodiment of the present application, the limit lock lever 17 is rotatably connected to the top of the outer frame 6 by a bearing, and the limit lock lever 17 is snap-connected to the upper top cover 16.

In the embodiment of the present application, the filter screen 5 is disposed to filter the impurities and dust in the outside air, so as to avoid entering the outer frame 6.

Optionally, the number of the fixed legs 2 is four, and the four fixed legs 2 are uniformly distributed at intervals; the number of the heat dissipation assemblies 4 is two, and the two heat dissipation assemblies 4 are symmetrically arranged about a perpendicular bisector of the fixed mounting base 1.

In an alternative embodiment, please refer to fig. 1, fig. 2 and fig. 5, the first buffer mechanism includes two first limiting grooves 601 disposed at the lower portions of two inner side walls of the outer frame 6, two limiting rods 7 are vertically disposed in the two first limiting grooves 601, the two first limiting grooves 601 are symmetrically disposed, a placement transverse plate 8 is further movably disposed at the inner lower side of the outer frame 6, two ends of the placement transverse plate 8 are respectively slidably connected with the two limiting rods 7 along the vertical direction, a plurality of heat dissipation holes 10 disposed at intervals penetrate through the placement transverse plate 8, a lower end of the placement transverse plate 8 is elastically connected with an upper end of the fixed mounting base 1 through a plurality of first limiting springs 9 disposed at even intervals, and an upper end of the placement transverse plate 8 is attached to a lower end of the inner box 11.

Referring to fig. 1 and 6, the second buffer mechanism includes a movable baffle 14 located outside the inner box 11, the movable baffle 14 is attached to the outer side wall of the inner box 11, and the movable baffle 14 is elastically connected to the inner side wall of the outer frame 6 through a second limiting spring 15; the front side of the outer frame 6 is provided with a glass observation window 32.

In this application embodiment, all be provided with adjustable fender 14 around interior box 11, be the laminating setting through between adjustable fender 14 and the interior box 11, and adjustable fender 14 constitutes the elastic buffer structure through second limiting spring 15 in outer frame 6 to cushion protection is carried out to the holistic outside of interior box 11 under the effect of second limiting spring 15. The front glass observation window 32 of the outer frame 6 is arranged to facilitate the observation of the battery modules 12 inside the outer frame 6 at any time.

In an optional embodiment, please refer to fig. 1, fig. 3, fig. 4, and fig. 8, the third buffer mechanism includes two second inner cavities 1601 provided in the upper top cover 16, each second inner cavity 1601 is rotatably connected with a lead screw 20 through a bearing, that is, bearings are embedded in two opposite inner side walls of the second inner cavity 1601, two ends of the lead screw 20 are rotatably connected with the two bearings, a driving motor 19 is further installed in one of the second inner cavities 1601, a power output end of the driving motor 19 is connected with one end of the lead screw 20 in a transmission manner, synchronizing wheels 21 are respectively sleeved in the middle portions of the two lead screws 20, the two synchronizing wheels 21 are connected in a transmission manner through a synchronous belt 22, a nut pair 23 is respectively connected to two sides of the synchronizing wheel 21 on the lead screw 20 in a threaded manner, a connecting rod 24 is hinged to a lower end of the nut pair 23, a movable transverse plate 25 is hinged to a lower end of the connecting rod 24, a lower end of the movable transverse plate 25 is connected with a plurality of arc-shaped rubber ridges 29 distributed at uniform intervals, and the arc-shaped rubber ridges 29 are detachably connected with the movable transverse plate 25 through third adjusting bolts 30.

Referring to fig. 1 and 3, both sides of the lower end of the upper top cover 16 are vertically connected with mounting plates 27, the mounting plates 27 extend into the outer frame 6, a rubber block 28 is installed between the outer side wall of the mounting plates 27 and the inner side wall of the outer frame 6, the two opposite sides of the two mounting plates 27 are both provided with second limiting grooves 2701, both sides of the movable transverse plate 25 are both provided with limiting connecting pieces 26, and the two limiting connecting pieces 26 are respectively connected with the two second limiting grooves 2701 in a sliding manner; a plurality of third limiting springs 31 which are uniformly distributed at intervals are also arranged between the upper end of the middle part of the movable transverse plate 25 and the upper top cover 16.

It should be noted that the thread directions of the left and right ends of the screw rod 20 are opposite to each other with respect to the synchronizing wheel 21, so that when the driving motor 19 is turned on to rotate the screw rod 20, the two nut pairs 23, which are located at the two sides of the synchronizing wheel 21 and are connected to the screw rod 20 through threads, can be driven to move towards or away from each other.

In this application embodiment, when opening driving motor 19 and rotating lead screw 20, because every lead screw 20's middle part all overlaps and is equipped with synchronizing wheel 21, the setting of connecting through the synchronous belt 22 transmission between two synchronizing wheel 21, can make two lead screw 20 synchronous rotations, it carries out stable reciprocating to drive movable diaphragm 25 through connecting rod 24 in the second spacing groove 2701 of mounting panel 27 during nut pair 23 is vice or back-to-back motion in opposite directions, so that utilize stupefied 29 of arc rubber to support the pressure to the upper end of spacing 13, and bring the effect of shock attenuation buffering, the effectual practical function that has improved the device.

In an alternative embodiment, referring to fig. 1 and 7, the heat dissipation assembly 4 includes an outer casing 401 with an open top, a motor 403 is installed in the outer casing 401, a blade 404 is connected to the motor 403 in a transmission manner, the outer casing 401 is detachably connected to the fixed mounting base 1 through a second adjusting bolt 402, and a plurality of ventilation holes 405 are formed through the bottom of the outer casing 401.

In the embodiment of the present application, it is possible to perform automatic heat dissipation processing on the battery module 12 inside the outer frame 6 when the motor 403 is turned on to rotate the blades 404.

Next, an operation principle of the new energy vehicle battery pack convenient for self-cooling in the embodiment of the present application will be described.

When using this new energy automobile group battery convenient to cool down by oneself, utilize the stable installation on the car of first adjusting bolt 3 with fixed leg 2 of fixed mounting seat 1 lower extreme, place interior box 11 on placing diaphragm 8, through placing the nested formula sliding structure setting of diaphragm 8 both ends and two gag lever posts 7 and placing the setting of a plurality of first spacing springs 9 between diaphragm 8 and the fixed mounting seat 1, and place and be the laminating setting between diaphragm 8 and the interior box 11, can make and place diaphragm 8 and carry out stable reciprocating under the effect of first spacing spring 9, be convenient for bring the buffering effect, be the laminating setting between cooperation adjustable fender 14 and the interior box 11, and adjustable fender 14 constitutes elastic buffer structure in outer frame 6 through second spacing spring 15, thereby buffer protection is carried out to the holistic outside of interior box 11 under the effect of second spacing spring 15, be connected through the mode that adopts the block between spacing frame 13 and the battery module 12, can utilize spacing frame 13 to independently distribute to place battery module 12, be convenient for carry out spacing fixed, when rotating spacing locking lever 17, make it closely to break away from with the top cap 16 closely to go up between the outer frame, avoid becoming flexible. When the driving motor 19 is turned on to rotate the lead screw 20, the middle part of each lead screw 20 is sleeved with the synchronizing wheel 21, the two synchronizing wheels 21 are connected in a transmission mode through the synchronizing belt 22, the two lead screws 20 can be synchronously rotated, the nut pair 23 drives the movable transverse plate 25 to stably move up and down in the second limiting groove 2701 of the mounting plate 27 through the connecting rod 24 when moving oppositely or oppositely, so that the upper end of the limiting frame 13 is pressed by the arc-shaped rubber edge 29, and the damping and buffering effect is achieved.

To sum up, this application provides a new energy automobile group battery convenient to cool down by oneself, has solved among the prior art group battery and can produce a lot of heats in long-time use, is not convenient for carry out automatic radiating problem to and solved and can lead to inside battery module to damage because of some collisions during the use, be not convenient for carry out buffering protection, and the not good problem of practical function.

In the embodiments disclosed in the present application, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the disclosed embodiments of the invention can be understood by those of ordinary skill in the art as appropriate.

The above description is only a preferred embodiment of the present application, and it should be noted that: it will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the principles of the application, and such modifications and enhancements are intended to be included within the scope of the application.

Claims

1. The utility model provides a new energy automobile group battery convenient to cool down by oneself which characterized in that includes:

the heat dissipation device comprises a fixed mounting seat (1), wherein the lower end of the fixed mounting seat (1) is connected with a plurality of fixed support legs (2), first adjusting bolts (3) are arranged on the fixed support legs (2), an outer frame (6) with an upper opening and a lower opening is arranged at the upper end of the fixed mounting seat (1), a plurality of heat dissipation assemblies (4) are further connected to the lower end of the middle of the fixed mounting seat (1), a first inner cavity (101) is further formed in the fixed mounting seat (1), a filter screen plate (5) is arranged in the inner cavity (101), a plurality of vent holes (102) are formed in the upper side and the lower side of the inner cavity (101) in a penetrating manner, the positions of the vent holes (102) correspond to those of the heat dissipation assemblies (4), and the heat dissipation assemblies (4) are communicated with the inner space of the outer frame (6) through the vent holes (102);

the battery pack comprises an inner box (11), wherein the inner box (11) is located inside the outer frame (6), the top of the inner box (11) is open, a limiting frame (13) is arranged inside the inner box (11), a plurality of battery modules (12) are arranged in the limiting frame (13), a first buffer mechanism is arranged between the inner box (11) and the fixed mounting seat (1), and a second buffer mechanism is arranged between the outer side wall of the inner box (11) and the inner side wall of the outer frame (6);

go up top cap (16), go up top cap (16) connect in the upper end of outer frame (6), go up top cap (16) through limit lock pole (17) with outer frame (6) can be dismantled and be connected, be equipped with handle (18) on limit lock pole (17), go up top cap (16) with third buffer gear has between interior box (11).

2. The new energy automobile battery pack convenient to cool by oneself according to claim 1, characterized in that, the first buffer gear includes first spacing groove (601) of seting up in two inside wall lower parts of outer frame (6), vertically be equipped with gag lever post (7) in first spacing groove (601), the inside downside of outer frame (6) still activity is equipped with places diaphragm (8), the both ends of placing diaphragm (8) respectively with two gag lever post (7) along vertical direction sliding connection, it has seted up a plurality of louvres (10) to run through on diaphragm (8) to place, the lower extreme of placing diaphragm (8) through a plurality of first spacing springs (9) with the upper end elastic connection of fixed mounting seat (1), the upper end of placing diaphragm (8) with the lower extreme of interior box (11) is laminated mutually.

3. The new energy automobile battery pack convenient for self-cooling as claimed in claim 1, wherein the second buffer mechanism comprises a movable baffle (14) located outside the inner box (11), the movable baffle (14) is attached to the outer side wall of the inner box (11), and the movable baffle (14) is elastically connected to the inner side wall of the outer frame (6) through a second limiting spring (15);

the front side of the outer frame (6) is provided with a glass observation window (32).

4. The new energy automobile battery pack convenient to cool down by oneself, according to claim 1, the third buffer gear includes two second inner chambers (1601) of seting up in the top cap (16), every all be connected with lead screw (20) through the bearing rotation in the second inner chamber (1601), still install driving motor (19) in one of them second inner chamber (1601), the power take off end of driving motor (19) with the one end transmission of lead screw (20) is connected, and the middle part of every lead screw (20) all is equipped with synchronizing wheel (21), two through hold-in range (22) transmission connection between synchronizing wheel (21), lie in on lead screw (20) the equal threaded connection in both sides of synchronizing wheel (21) has a nut vice (23), the lower extreme that nut is vice (23) articulates there is connecting rod (24), the lower extreme of connecting rod (24) articulates there is movable transverse plate (25), the lower extreme of movable transverse plate (25) is connected with a plurality of even interval distribution's arc rubber stupefied (29), arc rubber stupefied (29) through third adjusting bolt (30) with movable transverse plate (25) can dismantle and be connected.

5. The new energy automobile battery pack convenient for self-cooling according to claim 4, wherein mounting plates (27) are vertically connected to both sides of the lower end of the upper top cover (16), the mounting plates (27) extend into the outer frame (6), a rubber block (28) is arranged between the outer side wall of the mounting plates (27) and the inner side wall of the outer frame (6), second limiting grooves (2701) are formed in both opposite sides of the two mounting plates (27), limiting connecting pieces (26) are arranged on both sides of the movable transverse plate (25), and the two limiting connecting pieces (26) are respectively connected with the two second limiting grooves (2701) in a sliding manner; a plurality of third limiting springs (31) are further arranged between the upper end of the middle part of the movable transverse plate (25) and the upper top cover (16).

6. The new energy automobile battery pack convenient to cool by itself according to claim 1, wherein the heat dissipation assembly (4) comprises an outer shell (401) with an open top, a motor (403) is installed in the outer shell (401), a blade (404) is in transmission connection with the motor (403), the outer shell (401) is detachably connected with the fixed mounting base (1) through a second adjusting bolt (402), and a plurality of through ventilation holes (405) are formed in the bottom of the outer shell (401).

7. The new energy automobile battery pack convenient for self-cooling according to claim 4, wherein the thread directions at the two ends of the screw rod (20) are opposite left and right with respect to the synchronizing wheel (21).

8. The new energy automobile battery pack convenient for self-cooling according to claim 1, wherein the limit lock rod (17) is rotatably connected with the top of the outer frame (6) through a bearing, and the limit lock rod (17) is connected with the upper top cover (16) in a clamping manner.

9. The battery pack convenient for self-cooling of the new energy automobile as claimed in claim 1, wherein the plurality of battery modules (12) are clamped in the limiting frame (13), and the plurality of battery modules (12) are uniformly distributed in the limiting frame (13) at intervals.

10. The battery pack convenient for self-cooling of the new energy automobile as claimed in claim 1, wherein the number of the fixed legs (2) is four, and the four fixed legs (2) are uniformly distributed at intervals; the quantity of radiator unit (4) is two, two radiator unit (4) about the perpendicular bisector of fixed mounting seat (1) is the symmetry setting.