CN211700389U

CN211700389U - Use quick electric motor car that trades that has quick detach battery package

Info

Publication number: CN211700389U
Application number: CN202020686089.2U
Authority: CN
Inventors: 周道辉; 辛明
Original assignee: Dialev New Energy Automobile Co ltd
Current assignee: Dialev New Energy Automobile Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-10-16
Anticipated expiration: 2030-04-29

Abstract

The utility model provides an electric motor car is traded fast to use quick detach battery package, it includes battery package casing, liquid cooling passageway and is used for the spacing stopper of liquid cooling passageway, battery package casing inside is formed with the holding chamber that has the opening, and can dismantle on battery package casing and be provided with the sealed lid that constitutes the shutoff of opening, the liquid cooling passageway includes the multilayer main cooling channel that can dismantle the cartridge in holding the intracavity, and connect the connection cooling channel of two main cooling channels, and each main cooling channel separates the holding chamber into a plurality of locuses, the battery piece is inserted in each locus; the limiting blocks are at least two which are elastically arranged on the inner wall surface of the battery pack shell, the main cooling channel is arranged, can be positioned in the containing cavity due to the fact that the limiting blocks elastically extend out of the battery pack shell, and can be released from positioning due to the fact that the limiting blocks elastically retract. The quick battery replacing electric vehicle with the quick-release battery pack is simple and convenient in application structure, and can realize quick disassembly and assembly of the liquid cooling channel in the battery pack, so that the working efficiency is improved.

Description

Use quick electric motor car that trades that has quick detach battery package

Technical Field

The utility model relates to an electric automobile technical field, in particular to use quick electric motor car that trades that has quick detach battery package.

Background

In the prior art, the power battery pack of the vehicle is generally arranged in two areas, namely a front cabin or a chassis of the vehicle, and no matter where the power battery pack is arranged, good heat dissipation conditions are needed to meet use requirements; however, due to the reasons of dust prevention, water prevention and the like, the power battery pack shell is usually sealed, so that heat of the power battery pack inside the shell cannot be rapidly dissipated, normal work of the power battery pack is affected, and the service life of the power battery pack is shortened.

At present, automobile power battery wraps the major part and uses the forced air cooling heat dissipation, and its radiating effect is unsatisfactory, and advances the normal use that the dust influences the battery package easily, and its liquid cooling pipeline integrated into one piece when adopting the radiating mode of liquid cooling, need whole dismantlement to change when taking place the weeping phenomenon, influences work efficiency, and the liquid cooling generally for arranging all around battery package casing, its radiating effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an use quick change electric motor car that has quick detach battery package to liquid cooling passageway to the car battery package carries out the dismouting.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides an use quick electric motor car that trades that has quick detach battery package, includes:

the battery pack comprises a battery pack shell, a battery pack shell and a battery pack, wherein the battery pack shell is arranged on a vehicle body, an accommodating cavity with an opening is formed in the battery pack shell, and a sealing cover for plugging the opening is detachably arranged on the battery pack shell;

the liquid cooling channel comprises a plurality of layers of main cooling channels which are detachably inserted into the containing cavity, and a connecting cooling channel which is detachably connected between two adjacent main cooling channels, each layer of main cooling channel divides the containing cavity into a plurality of sub-cavities, and a battery block is inserted into each sub-cavity;

and the main cooling channel is provided with at least two limiting blocks corresponding to the moving path of the battery block out of the sub-cavity, the limiting blocks are elastically arranged on the inner wall surface of the battery pack shell, and the main cooling channel can be positioned in the accommodating cavity due to the fact that the limiting blocks elastically extend out of the battery pack shell and can be released from the positioning due to the elastic retraction of the limiting blocks.

Further, corresponding to each layer the both sides of main cooling channel, in be equipped with a plurality of mounting grooves on the internal face in appearance chamber respectively, main cooling channel cartridge in the mounting groove, and in each the mounting groove with it is equipped with the blotter to press from both sides of main cooling channel are pressed from both sides.

Furthermore, the limiting block is provided with a guide surface for guiding the battery pack to be inserted into the sub-cavity.

Furthermore, an accommodating groove is formed in the inner wall of the battery pack shell, the limiting block slides in the accommodating groove in a guiding manner, and a limiting spring is connected between the other end of the limiting block and the groove bottom of the accommodating groove and corresponds to the limiting end of the limiting block.

Furthermore, the water inlet end and the water outlet end of each main cooling channel are respectively provided with an installation annular bulge, a sealing element is sleeved on the annular bulge, two ends of each connecting channel are respectively provided with an insertion groove for the insertion of the annular bulge, and the sealing element is clamped between the insertion groove and the annular bulge.

Further, each main cooling channel is in a wave shape matched with the sub-cavity.

Furthermore, a connecting plate is fixedly connected between adjacent wave bands of the main cooling channel.

Furthermore, a liquid inlet pipe is arranged at the bottom of the battery pack shell, the liquid inlet pipe is communicated with the liquid inlet end of the liquid cooling channel, and a liquid outlet pipe is arranged at the top of the battery pack shell.

Furthermore, a one-way valve is arranged on the liquid inlet pipe.

Compared with the prior art, the utility model discloses following advantage has:

(1) use quick-witted electric motor car that trades who has quick detach battery package, through demountable installation have the liquid cooling passageway in the battery package, promoted the installation to liquid cooling passageway in the battery package and disassembled efficiency to through using main liquid cooling passageway internal partitioning for a plurality of minutes chambeies with the battery package, each battery piece assembles respectively in each minute chamber, has promoted the whole radiating effect in the battery package.

(2) Through with main cooling channel cartridge in the mounting groove that holds the chamber, strengthened main cooling channel's support intensity, through pressing from both sides between mounting groove and main cooling channel and be equipped with the blotter, reduced the impact of battery piece on main cooling channel, be favorable to prolonging the life of battery piece.

(3) The limiting block is provided with the guide surface, so that the battery block can be guided to be inserted into the sub-cavity.

(4) The annular bulge is formed on the main cooling channel, and the sealing element is sleeved on the annular bulge, so that the sealing effect between the main cooling channel and the connecting cooling channel is enhanced, and liquid leakage is prevented.

(5) Through setting up main cooling channel into the wavy to link firmly the connecting plate through the adjacent wave band at main cooling channel, effectively increased cooling area of contact, promote the cooling effect, promote main cooling channel's support intensity simultaneously.

(6) Through install the check valve on the feed liquor pipe, prevent that the coolant liquid from flowing back to the feed liquor pipe of battery package casing because of gravity to influence the cooling effect.

Drawings

The accompanying drawings, which form a part hereof, 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 invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a quick release battery pack according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A;

fig. 3 is a schematic structural diagram of a battery block according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a portion of the structure of FIG. 3;

fig. 5 is a schematic structural diagram of a clamping block according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a positioning column according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of the limiting block according to the embodiment of the present invention.

Description of reference numerals:

1-a battery pack shell and 2-a battery block;

301-support frame, 302-installation block, 303-positioning column, 304-bulge, 305-clamping groove, 306-movable pin, 307-spring, 308-clamping block, 309-clamping head, 310-notch, 311-liquid inlet pipe and 312-liquid outlet pipe;

402-connecting cooling channel, 403-limiting block, 404-mounting groove, 405-guiding surface, 406-accommodating groove, 407-limiting spring, 408-connecting plate, 409-one-way valve.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a quick-change electric vehicle with a quick-release battery pack, which mainly comprises a battery pack shell 1, a plurality of battery blocks 2 assembled inside the battery pack shell 1, and a positioning structure and a positioning matching structure for fixing and releasing the battery blocks 2 and the battery pack shell 1, as shown in fig. 1.

Firstly, a battery pack shell 1 is explained, wherein a containing cavity is arranged in the battery pack shell 1, one end of the containing cavity is provided with an opening, and a sealing cover which can be detachably installed to block the opening is assembled on the battery pack shell 1, wherein the sealing cover can be installed between the battery pack shell 1 by adopting a mature sealing cover in the prior art, and the specific structural form and the illustration are not repeated; a plurality of supporting frames 301 arranged at intervals are further arranged in the accommodating cavity along the height direction so as to divide the accommodating cavity into a plurality of sub-cavities.

The battery block 2 may be a battery block mature in the prior art, and as shown in fig. 3, each battery block 2 is inserted into each formed sub-cavity. For inserting the end of battery piece 2, set firmly in the other end of battery piece 2 and have the installation piece 302 of appearance chamber in inside, installation piece 302 extends the setting along the terminal surface of battery piece 2, is constructed above-mentioned location structure on installation piece 302 to correspond on the intracavity wall that holds that is close to the opening and be constructed above-mentioned location cooperation structure, and each battery piece 2 can dismantle the location via location structure and location cooperation structure and divide the chamber in.

Specifically, as shown in fig. 2 to 6, the positioning structure includes a positioning post 303 capable of pivoting on one side of the mounting block 302, a protrusion 304 is configured on one side of the positioning post 303 extending out of the mounting block 302, the protrusion 304 is in a column shape coaxially arranged with the positioning post 303, and a locking groove 305 is formed on the protrusion 304, and the locking groove is arranged along an axial direction of the protrusion 304 and penetrates through two ends of the protrusion 304. The positioning column 303 is provided with a movable pin 306 extending out of the end face of the mounting block 302 along the radial direction, and the positioning column 303 drives the clamping groove 305 to pivot through the elastic shifting of the movable pin 306, so that the clamping groove 305 and the clamping block 308 described below can form a good clamping effect, and of course, the structure of the protrusion 304 can be set to other shapes as long as the clamping effect can be formed with the clamping block 308 described below;

the movable pin 306 is directly welded and fixed to the positioning post 303, and a strip-shaped notch 310 is also formed at one end of the mounting block 302, which is opposite to the battery block 2, corresponding to the extending end of the movable pin 306. Near the end of the movable pin 306 connected with the fixed column, a spring 307 is arranged at the top of the movable pin 306, and the top end of the spring 307 is connected in the mounting block 302 to push the movable pin 306 under the action of the elastic force of the spring 307, so as to ensure that the clamping block 308 is clamped in the notch 301. When the movable pin 306 is moved upward, the spring 307 is compressed, and stopping the movable pin 306 will make the movable pin 306 return to the original position by the spring 307. It should be noted that the cavity of the mounting block 302 should be adapted to a movable path through which the movable pin 306 drives the positioning column 303 to pivot, so as to prevent the cavity of the mounting block 302 from interfering with the positioning column 303; the spring 307 may be correspondingly mounted on the upper side of the movable pin 306, or may be mounted on the lower side of the movable pin 306, so long as the movable pin 306 can be reset after being moved.

As shown in fig. 5, the positioning and matching structure includes a pivot shaft rotatably mounted on the inner wall of the accommodating cavity, the axis of the pivot shaft is parallel to the axis of the positioning column 303, a clamping block 308 is fixedly mounted on the pivot shaft, the clamping block 308 has a plurality of clamping heads 309 adapted to the clamping grooves 305 along the circumferential direction, and the battery block 2 is clamped by the clamping grooves 305 and the clamping heads 309 to form a locking state with the battery pack case 1.

The accommodating cavity is provided with an assembling groove for installing the pivot shaft inwards, the pivot shaft is directly pivotally installed in the assembling groove to prevent the sealing effect of the sealing cover on the opening end face from being affected, the clamping block 308 can be a triangular prism, the axis of the clamping block penetrates through the pivot shaft and can rotate along with the rotation of the pivot shaft, the clamping heads 309 are three prisms corresponding to the triangular prism respectively, and the prisms are sequentially clamped in the clamping grooves 305 through the rotation of the pivot shaft to form clamping.

It should be noted that, according to the actual situation, the battery pack case 1 can be assembled with the corresponding battery blocks 2 through the sub-cavities with different numbers, so that the positioning structures and the correspondingly arranged positioning and matching structures correspond to the battery blocks 2 and the sub-cavities in positions, that is, each corresponding sub-cavity should be provided with a corresponding positioning structure and a corresponding positioning and matching structure, thereby realizing the installation and the removal of a single battery block 2.

When the battery block 2 in this embodiment is assembled, the sealing cover is firstly opened, one end of the battery block 2, which is away from the mounting block 302, is aligned with one of the sub-cavities and inserted, the battery block 2 slides inwards through the support of the support frame 301, when the protrusion 304 on the mounting block 302 contacts with the clamping block 308, the battery block 2 is continuously inserted inwards, the protrusion 304 pushes the clamping block 308 to pivot, and after the protrusion pivots to a certain angle, the clamping head 309 of the clamping block 308 rotates to the clamping groove 305 of the clamping protrusion 304, and at this time, the battery block 2 is in a fixed state; when a certain battery block 2 in the battery pack shell 1 breaks down, the movable pin 306 corresponding to the battery block 2 is shifted to the other end of the notch 310, at this time, the protrusion 304 drives the pivot shaft to rotate through the movable pin 306, and the end face of the clamping groove 305 supports against the clamping head 309 to pivot together, and when the pivot shaft is pivoted to the point that the clamping head 309 is separated from the clamping groove 305, the battery pack can be smoothly taken out and replaced by pulling the battery block 2 to one end far away from the battery pack shell 1; and other residual battery blocks 2 can be assembled and disassembled sequentially according to the steps.

As shown in fig. 1, in consideration of the problem that the power battery pack is poor in heat dissipation effect after being sealed, the support frames 301 are hollow and formed with liquid cooling channels, each liquid cooling channel includes a main cooling channel located in each support frame 301 and a connecting cooling channel 402 detachably connected between two adjacent support frames 301, and the main cooling channels of each layer together form each sub-cavity in the battery pack housing 1. Here, the connection between each connecting cooling channel 402 and the upper and lower adjacent main cooling channels may be in the form of a tube connection seal, which is well known in the art.

Specifically, a plurality of mounting grooves 404 are respectively formed in the inner wall surface of the accommodating cavity corresponding to the two sides of each layer of the support frame 301, each mounting groove 404 is respectively arranged along the horizontal direction of the inner wall surface of the accommodating cavity, each support 3011 is respectively inserted into the support along the groove end of each mounting groove 404, and a cushion is sandwiched between each mounting groove 404 and the two sides of the main cooling channel in order to reduce the impact vibration between the battery block 2 and the support frame 301.

As shown in fig. 1, in order to enhance the heat dissipation effect of the liquid cooling channels on the battery block 2, each main cooling channel may be configured as a wave shape that is bent back and forth, and is adapted to the formed support area of the sub-cavity, and a connection plate 408 is connected between adjacent wave sections of the main cooling channel for increasing the contact area between the main cooling channel and the battery block 2, so as to enhance the heat dissipation effect, and meanwhile, the connection plates 408 at each position may also enhance the support strength of the battery block 2 on the support frame 301; here, the connection plate 408 may specifically adopt a connection plate 408 that is mature in the prior art, and this embodiment is not described again.

In order to facilitate the installation and disassembly of the main cooling channel for replacement and maintenance, in this embodiment, at least two limiting blocks 403 are configured on the moving path corresponding to the separated cavity of the battery block 2, the limiting blocks 403 are elastically mounted on the inner wall surface of the battery pack case 1, the main cooling channel is configured to be positionable in the accommodating cavity due to the elastic extension of the limiting blocks 403 out of the battery pack case 1, and to be disarming due to the elastic retraction of the limiting blocks 403; it should be noted that the position and the number of the limiting block 403 on the inner wall surface of the battery pack case 1 are not specifically limited, and may be selected according to the actual installation condition of the liquid cooling channel.

As shown in fig. 2 and 7, a receiving groove 406 is formed in an inner wall of the battery pack case 1, the stopper 403 is guided to slide in the receiving groove 406, a stopper spring 407 is connected between the other end of the stopper 403 and a bottom of the receiving groove 406, for facilitating insertion of the battery pack 2 into each sub-chamber, a guide surface 405 for guiding an insertion path of the battery pack is correspondingly formed on the stopper 403, the guide surface 405 is specifically an arc-shaped tangent plane, and an insertion end of the battery pack 2 can be smoothly assembled by guiding the guide surface 405 during insertion of the battery pack 2 into the sub-chamber.

In order to ensure good sealing effect of the liquid cooling channel, the water inlet end and the water outlet end of the main cooling channel are respectively provided with an installation annular protrusion, the annular protrusions are sleeved with sealing elements, two ends of each connection cooling channel 402 are respectively provided with an insertion groove for the insertion of the annular protrusions, and the sealing elements are clamped between the insertion grooves and the annular protrusions. Here, the sealing member may be a rubber gasket seal, and the sealing member may be fitted on the annular protrusion by an interference fit.

In order to facilitate the communication with the external liquid cooling device, the bottom of the battery pack housing 1 is provided with a liquid inlet pipe 311, the liquid inlet pipe 311 is communicated with the liquid inlet end of the liquid cooling channel, and the top of the battery pack housing 1 is provided with a liquid outlet pipe 312.

It should be noted that the improved technology in this embodiment is not the battery block 2 itself, and therefore, the specific structure and the components of the battery block 2 such as the output/input lines on the battery block 2 are not described, and the improved technology can be assembled according to the mature battery for the automobile in the prior art, and the details are not described in this embodiment.

When the liquid cooling channel in this embodiment is installed, the connecting cooling channels 402 are respectively and correspondingly connected to the main cooling channels of each layer, the main cooling channels are firstly inserted inwards along the end surface direction of the mounting groove 404, when the main cooling channels contact the limiting block 403, the main cooling channels are continuously pushed inwards due to the guiding of the guide surface 405, and at this time, the limiting block 403 retracts into the accommodating groove 406 when the limiting springs 407 connected with the limiting block 403 are compressed; when the main cooling channel is completely pushed into the battery pack case 1, the pushing of the limiting block 403 disappears, the limiting spring 407 recovers elasticity and restores the limiting block 403 to the original position, so that the main cooling channel is clamped.

In the embodiment, the sub-cavities are formed in the battery pack shell 1 in a separated mode, the battery blocks 2 are arranged in the sub-cavities in a separated mode, so that the battery blocks 2 can be conveniently mounted and dismounted in the battery pack shell 1, the applied positioning structure and the positioning matching structure are simple and easy to operate, a good fastening effect can be formed during positioning, and when a certain battery block 2 in a battery pack breaks down, the battery block can be taken out singly for replacement, so that the workload is reduced; and through demountable installation have a liquid cooling passageway in the battery package, promoted the installation and the efficiency of disassembling to battery package internals, promoted the heat dispersion of battery package.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. 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 use quick electric motor car that trades that has quick detach battery package which characterized in that includes:

the battery pack comprises a battery pack shell (1) which is arranged on a vehicle body, wherein an accommodating cavity with an opening is formed in the battery pack shell (1), and a sealing cover for plugging the opening is detachably arranged on the battery pack shell (1);

the liquid cooling channel comprises a plurality of layers of main cooling channels which are detachably inserted into the containing cavity, and a connecting cooling channel (402) which is detachably connected between two adjacent main cooling channels, each layer of main cooling channel divides the containing cavity into a plurality of sub-cavities, and a battery block (2) is inserted into each sub-cavity;

and the limiting blocks (403) correspond to the moving paths of the battery blocks (2) which are separated from the sub-cavities, the limiting blocks (403) are at least two and are elastically mounted on the inner wall surface of the battery pack shell (1), and the main cooling channel is arranged to be positioned in the accommodating cavity due to the fact that the limiting blocks (403) elastically extend out of the battery pack shell (1) and to be released from positioning due to the fact that the limiting blocks (403) elastically retract.

2. The electric vehicle capable of quickly replacing batteries with the quick-release battery pack, according to claim 1, is characterized in that: corresponding to each layer of the two sides of the main cooling channel, a plurality of mounting grooves (404) are respectively formed in the inner wall surface of the containing cavity, the main cooling channel is inserted into the mounting grooves (404), and buffering cushions are arranged between the mounting grooves (404) and the two sides of the main cooling channel.

3. The electric vehicle capable of quickly replacing batteries with the quick-release battery pack, according to claim 1, is characterized in that: the limiting block (403) is provided with a guiding surface (405) for guiding the battery block (2) to be inserted into the sub-cavity.

4. The electric vehicle capable of quickly replacing batteries with the quick-release battery pack, according to claim 1, is characterized in that: a containing groove (406) is formed in the inner wall of the battery pack shell (1), the limiting block (403) slides in the containing groove (406) in a guiding mode, and a limiting spring (407) is connected between the other end of the limiting block (403) and the bottom of the containing groove (406) relative to the limiting end of the limiting block (403).

5. The electric vehicle capable of quickly replacing batteries with the quick-release battery pack, according to claim 1, is characterized in that: and the water inlet end and the water outlet end of each main cooling channel are respectively provided with an installation annular bulge, a sealing element is sleeved on the annular bulge, two ends of each connecting cooling channel (402) are respectively provided with an insertion groove for the insertion of the annular bulge, and the sealing element is clamped between the insertion groove and the annular bulge.

6. The electric vehicle capable of quickly replacing batteries with the quick-release battery pack, according to claim 1, is characterized in that: each main cooling channel is in a wave shape matched with the sub-cavity.

7. The electric vehicle capable of quickly replacing batteries with the quick-release battery pack, according to claim 1, is characterized in that: and connecting plates are fixedly connected between adjacent wave bands of the main cooling channel.

8. The electric vehicle capable of quickly replacing batteries with the quick-release battery pack, according to claim 7, is characterized in that: the liquid inlet pipe (311) is arranged at the bottom of the battery pack shell (1), the liquid inlet pipe (311) is communicated with the liquid inlet end of the liquid cooling channel, and the liquid outlet pipe (312) is arranged at the top of the battery pack shell (1).

9. The electric vehicle capable of quickly replacing batteries with the quick-release battery pack, according to claim 8, is characterized in that: the liquid inlet pipe is provided with a one-way valve (409).