CN209001073U - Battery pack and its cabinet, automobile - Google Patents

Battery pack and its cabinet, automobile Download PDF

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Publication number
CN209001073U
CN209001073U CN201821358033.3U CN201821358033U CN209001073U CN 209001073 U CN209001073 U CN 209001073U CN 201821358033 U CN201821358033 U CN 201821358033U CN 209001073 U CN209001073 U CN 209001073U
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China
Prior art keywords
bottom plate
branch pipe
heat exchange
cabinet
pipeline
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CN201821358033.3U
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Chinese (zh)
Inventor
魏明家
马海涛
刘欣
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BAIC Motor Co Ltd
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BAIC Motor Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model provides a kind of battery pack and its cabinet, automobile and belongs to field of automobile for installing group of battery modules.Cabinet provided by the utility model is for installing group of battery modules comprising top plate and bottom plate and the side plate between top plate and bottom plate are provided with the heat exchange pipeline for circulating for heat transferring medium on bottom plate, and the bottom surface of heat exchange pipeline is embedded in bottom plate.The cabinet of the utility model, integral structure is made in the bottom plate of cabinet by being directly embedded the bottom surface of heat exchange pipeline, heat exchange pipeline and group of battery modules carry out after heat exchange, coolant liquid in heat exchange pipeline carries out cold and hot exchange with external cooling system, meanwhile the heat that heat exchange pipeline absorbs is directly delivered on bottom plate, and the bottom surface of bottom plate and contacting external air, to directly exchange heat with air, heat exchanger effectiveness is improved.Battery pack provided by the utility model and automobile, heat exchanger effectiveness with higher and safety.

Description

Battery pack and its cabinet, automobile
Technical field
The utility model relates to a kind of battery pack and its cabinets, automobile, belong to field of automobile.
Background technique
Comply with new-energy automobile trend, core component of the electrokinetic cell system as new-energy automobile, performance, longevity Life, cost, safety etc. all have very great influence to the development of new-energy automobile, and the core component of electrokinetic cell system is Battery pack.
The battery pack of new-energy automobile includes: cabinet and group of battery modules.Wherein, cabinet includes top plate and bottom plate and position Side plate between top plate and bottom plate, group of battery modules are mounted in cabinet.In the process of moving due to new-energy automobile, battery Module group operating current is big, and quantity of heat production is big, while battery pack is in a relatively closed environment, will lead to group of battery modules Temperature rise, when the temperature is excessively high, battery pack be easy to appear explosion or other potential problems.When winter or in other temperature When spending lower region using new-energy automobile, and can there is a problem of that group of battery modules temperature is too low, lead to group of battery modules Active volume decay rapidly, and be lower than 0 DEG C when charge to group of battery modules, then may cause group of battery modules wink Between voltage overcharge phenomenon, cause group of battery modules short-circuit.So the temperature control in battery pack is most important.In the prior art, Radiator can be generally set between group of battery modules and the bottom plate of cabinet to control the intracorporal temperature of case, so that Group of battery modules can work normally at preferable temperature.
Since radiator in the prior art is generally adopted by for the heat exchange pipeline of heat exchanging liquid circulation, these are changed It needs to exchange heat indirectly by the bottom plate of cabinet with air after heat pipeline and group of battery modules heat exchange, therefore heat exchange efficiency ratio It is lower.
Utility model content
The utility model provides a kind of battery pack and its cabinet, automobile, to solve battery pack heat exchange efficiency in the prior art Low technical problem.
According to the one aspect of the utility model embodiment, a kind of cabinet is provided, for installing group of battery modules, comprising: Top plate and bottom plate and the side plate between top plate and bottom plate are provided with for circulating for heat transferring medium on the bottom plate Heat exchange pipeline, the bottom surface of heat exchange pipeline is embedded in the bottom plate.
Further, heat exchange pipeline includes: feed liquor branch pipe, multiple connecting branches and liquid branch pipe out;The one of feed liquor branch pipe It holds and is connected to inlet set on side plate;One end of liquid branch pipe is connected to and liquid out with liquid outlet set on side plate out Branch pipe and feed liquor arms parallel are arranged;Multiple connecting branches are arranged side by side, for being connected to feed liquor branch pipe and out liquid branch pipe, to be formed The channel circulated for heat transferring medium.
Further, be formed in bottom plate for heat transferring medium flowing connecting pipeline, the both ends of connecting pipeline respectively with into Liquid branch pipe is connected to liquid branch pipe out, and the connecting pipeline is between the two neighboring connecting branch.
Further, it is formed on connecting pipeline toward the projecting inward protrusion of the cabinet.
Further, protrusion has multiple, is uniformly arranged on connecting pipeline.
Further, protrusion towards the intracorporal outer surface of the case be cambered surface.
Further, the cross section of connecting pipeline is round, ellipse or polygon.
Further, connecting pipeline is a plurality of.
According to the one aspect of the utility model embodiment, a kind of battery pack, including above-mentioned cabinet are provided, and is installed on The intracorporal group of battery modules of case.
According to the one aspect of the utility model embodiment, a kind of automobile is provided, including car body and be set on car body Above-mentioned battery pack.
Battery pack provided by the utility model and its cabinet, automobile, by being directly embedded the bottom surface of heat exchange pipeline in case Integral structure is made in the bottom plate of body, after heat exchange pipeline and group of battery modules carry out heat exchange, the coolant liquid in heat exchange pipeline With external cooling system carry out it is cold and hot exchange, meanwhile, the heat that heat exchange pipeline absorbs is directly delivered on bottom plate, and is spread all over rapidly Entire bottom plate, and the bottom surface of bottom plate and contacting external air improve heat exchange effect to directly exchange heat with air Rate.It, can be in the case where box volume is constant further, since the bottom surface of heat exchange pipeline is directly embedded in the bottom plate with cabinet The intracorporal space of case is enabled to accommodate more group of battery modules.
Detailed description of the invention
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will Become obvious and be readily appreciated that, in which:
Fig. 1 is the explosive view for the cabinet that the utility model embodiment one provides;
Fig. 2 is the structural schematic diagram of the bottom plate of cabinet shown in Fig. 1;
Fig. 3 is the horizontal sectional drawing of bottom plate shown in Fig. 2;
Fig. 4 is the partial cutaway view in Fig. 2 along the direction a-a;
Fig. 5 is the partial cutaway view in Fig. 2 along the direction b-b;
Fig. 6 is the partial cutaway view in Fig. 2 along the direction c-c.
Wherein:
100- bottom plate;101- heat exchange pipeline;1011- feed liquor branch pipe;
1012- goes out liquid branch pipe;1013- connecting branch;1014- connecting pipeline;
1015- protrusion;200- side plate;201- inlet;
202- liquid outlet;300- top plate;400- accommodating cavity;
500- sealing ring.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention, It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be It is connected directly, the mutual of connection inside two elements or two elements can also be can be indirectly connected through an intermediary Interactively, unless otherwise restricted clearly.For the ordinary skill in the art, can understand as the case may be The concrete meaning of above-mentioned term in the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combination and combination.
Embodiment one
Fig. 1 is the explosive view for the cabinet that the utility model embodiment one provides;Fig. 2 is the knot of the bottom plate of cabinet shown in Fig. 1 Structure schematic diagram;Fig. 3 is the horizontal sectional drawing of bottom plate shown in Fig. 2;Fig. 4 is the partial cutaway view in Fig. 2 along the direction a-a;Fig. 5 is figure Along the partial cutaway view in the direction b-b in 2;Fig. 6 is the partial cutaway view in Fig. 2 along the direction c-c.Illustrate below with reference to FIG. 1 to FIG. 6 The specific embodiment of the present embodiment.
As shown in Figure 1, cabinet provided in this embodiment, for installing group of battery modules comprising: top plate 300, bottom plate 100 and the side plate 200 between top plate 300 and bottom plate 100, it is provided with for for heat transferring medium recycle stream on bottom plate 100 Dynamic heat exchange pipeline 101, the bottom surface of heat exchange pipeline 101 are embedded in bottom plate 100.Wherein, top plate 300, side plate 200 and bottom plate 100 are enclosed accommodating cavity 400, for accommodating and protecting group of battery modules (not shown).
Top plate 300 can have any shape the component with structure, such as top plate 300 can be rectangular, or be circle, this Embodiment is not specifically limited, and is enclosed accommodating cavity 400 with side plate 200, bottom plate 100 as long as can be realized.Top plate Optional any materials are made, such as top plate 300 can be polypropylene (PP) material, or can also be by unsaturated polyester (UP) glass Fibre reinforced moulding compound (SMC composite material, be commonly called as glass reinforced plastic) is made, and the density of PP SMC composite material is small, using these Material prepares the weight that top plate 300 alleviates cabinet, is conducive to the light-weight design of battery pack.
Top plate 300 is fixedly connected with side plate 200, and can be sealed by sealing ring 500.Certainly, in the present embodiment Sealing ring 500 must be used by being not intended to limit, and can also use other sealing means, such as coating sealant etc..Similarly, top plate Being fixedly connected between 300 and side plate 200 arbitrarily can also be fixedly connected with mode using in the prior art, for example, bolt connects It connects, snap connection.
It continues to refer to figure 1, side plate 200 and 100 fixed seal connection of bottom plate, connection type are not specifically limited, such as can Integral piece can also be made by integrally formed mode using bonding.Side plate 200 and bottom plate 100 can be good using having The material of good heat dissipation performance is made, such as metal material, in order to the heat dissipation for the group of battery modules being mounted in it.One In a little examples, side plate 200 and bottom plate 100 can be made using foamed aluminium material.In other examples, 200 He of side plate Bottom plate 100 can be made using magnesium alloy materials.When side plate 200 is made in the light-weight metals such as use foamed aluminium or magnesium alloy When with bottom plate 100, since the intensity of metal material is stronger, the thickness of side plate 200 and bottom plate 100 can be suitably reduced, is being guaranteed While cabinet intensity, further mitigate the weight of cabinet.
As depicted in figs. 1 and 2, in some instances, the bottom surface of heat exchange pipeline 101 is embedded in bottom plate 100, heat exchange pipeline 101 top is then located in accommodating cavity 400, in order to contact with group of battery modules, to exchange heat with group of battery modules. By the way that the top of heat exchange pipeline 101 to be protruded to the inner surface of bottom plate 100, on the one hand contains heat exchange pipeline 101 and more change Thermal medium improves heat exchanger effectiveness, on the other hand increases the contact area of heat exchange pipeline 101 and accommodating cavity 400, further mention High heat exchanger effectiveness.In other examples, the top of heat exchange pipeline 101 can also be embedded in bottom plate 100, i.e. heat exchange pipeline 101 entirety are embedded in bottom plate 100.
Specifically, its bottom surface can be embedded at bottom plate 100 by model casting integral forming process by heat exchange catheter 101 It is interior.Heat exchange catheter 101 and bottom plate 100 are integrally formed, on the one hand can make respectively itself intensity it is relatively high, and exchange heat Conduit 101 can serve as reinforcing rib, further increase the intensity of bottom plate 101, on the other hand by integrally formed mode, if changing When heat pipe 101 generates crack, heat transferring medium leakage only just will lead to when crack is located at accommodating cavity 400, if crack position When on the outer surface that in bottom plate 100 or crack is located at that bottom plate 100 is directly contacted with external environment, it will not make heat transferring medium It is contacted with the group of battery modules being located in accommodating cavity 400, therefore ensure that the safety of battery pack, improve the peace of power vehicle Congruent grade.Certainly, the present embodiment, which does not limit, must use above-mentioned integrally formed mode, and heat exchange catheter 101 can also pass through It is realized in the mode of 100 internal drilling of bottom plate.
It continues to refer to figure 1 and Fig. 2, heat exchange pipeline 101 includes feed liquor branch pipe 1011, goes out liquid branch pipe 1012 and connecting branch 1013.Feed liquor branch pipe 1011 can have any shape the component with structure, such as can be linear or be also possible to arc Shape can also be other irregular shapes, and the cross section of feed liquor branch pipe 1011 can be in round, ellipse or polygon Any one, the present embodiment does not limit, likewise, the knot of liquid branch pipe 1012 and connecting branch 1013 and feed liquor branch pipe 1011 out Structure is similar, and details are not described herein again.Feed liquor branch pipe 1011 can be close by model casting integral forming process with connecting branch 1013 Envelope connection, so that the intensity with higher of heat exchange catheter 101, it is not easy to crack is generated, to effectively heat transferring medium be avoided to leak. Certainly, feed liquor branch pipe 1011 and connecting branch 1013 can also be linked together the two by deep drilling technology.Likewise, Connecting branch 1013 is tightly connected with liquid branch pipe 1012 out.It is appreciated that connecting branch 1013 and out between liquid branch pipe 1012 Connection type is similar to feed liquor branch pipe 1011 and 1013 connection type of connecting branch, is not repeating herein.
In some alternative embodiments, single feed liquor branch pipe 1011, single connecting branch 1013 and list can be used Root goes out liquid branch pipe 1012, and three joins end to end, and forms simple subprogram pipeline.That is, the equal court of heat transferring medium in heat exchange catheter 101 It is flowed to same direction, that is heat transferring medium will not shunt when flowing in heat exchange catheter 101, and flow direction is identical 's.For example, in some specific examples, feed liquor branch pipe 1011, connecting branch 1013 and the composition of liquid branch pipe 1,012 first is straight out Linear pipeline, by one end feed liquor of first straight line shape pipeline, the another of first straight line shape pipeline brings out liquid.
Shown in referring to Figures 1 and 2, in other embodiment in the cards, feed liquor branch pipe 1011 and out liquid branch Pipe 1012 can be single, and connecting branch 1013 is then more.It is offered on feed liquor branch pipe 1011 and out liquid branch pipe 1012 Identical with 1013 quantity of connecting branch opening, the both ends of each connecting branch 1013 are opened with feed liquor branch pipe 1011 respectively Mouth and the out open communication of liquid branch pipe 1012.By above-mentioned setting, when heat transferring medium flows in heat exchange catheter 101, connection Branch pipe 1013 can exchange thermal medium and be shunted, to form multiple circulation branches.
In the present embodiment, to feed liquor branch pipe 1011, connecting branch 1013 and out the relative position between liquid branch pipe 1012 is not It is specifically limited.For example, in one example, feed liquor branch pipe 1011, liquid branch pipe 1012 and the first connecting branch pass through one out Molding is made second straight line shape pipeline, the second connecting branch, third connecting branch, third connecting branch both ends respectively with second Linear pipeline connection, the second connecting branch to the 4th connecting branch are arranged side by side on second straight line shape pipeline, that is to say, that Liquid feeding end, the outlet end of the second connecting branch are arranged successively on second straight line shape pipeline, the liquid feeding end of third connecting branch goes out Liquid end, liquid feeding end, the outlet end of the 4th connecting branch.For another example, in another example, feed liquor branch pipe 1011 and out liquid branch pipe 1012 are arranged in parallel, and both for rectilinear form, are equipped with multiple companies between feed liquor branch pipe 1011 and out liquid branch pipe 1012 side by side Branch pipe 1013 is connect, it is described into 1011 pipe of night branch and the liquid branch pipe 1012 out for being connected to, it is followed with being formed for the heat transferring medium The dynamic channel of circulation.
In the present embodiment, by the way that multiple connecting branches 1013 are arranged, heat exchange pipeline 101 can on the one hand passed through more Heat transferring medium improves heat exchanger effectiveness, on the other hand can increase the contact area of heat exchange pipeline 101 Yu accommodating cavity 400, from And further increase heat exchanger effectiveness.
In the present embodiment, feed liquor branch pipe 1011 can be led by the inlet 201 on cabinet with the feed liquor outside cabinet Seal of tube connection, so that the heat transferring medium in liquid inlet conduit enters heat exchange pipeline 101.Specifically, inlet 201 can be set At any appropriate shape, such as it can be cylindrical raised pipeline as shown in Figure 1, or set screw thread in being also possible to Circular through hole, it is of course also possible to be polygon or ellipse etc..The connection of liquid inlet conduit outside inlet 201 and cabinet Mode without limitation, as long as realizing connection, such as can be welding, be spirally connected.It should be appreciated that in order to avoid leakage, into Liquid mouth 201 and outside can be sealed between night conduit using sealing ring, the coating modes such as sealant.Inlet It can be integrally formed, or can also be welded together by model casting between 201 and feed liquor branch pipe 1011.
With continued reference to Fig. 1 and Fig. 2, liquid branch pipe 1012 is led by the liquid outlet 202 on cabinet with the liquid that goes out outside cabinet out Seal of tube connection, so that the heat transferring medium in heat exchange pipeline 101 is flowed out into eluate conduit, to further realize heat transferring medium Circulation.Liquid outlet 202 is similar to 201 structure of inlet, the connection type of the eluate conduit outside liquid outlet 202 and cabinet with into Liquid mouth 201 is similar to the liquid inlet conduit connection type outside cabinet, the connection type between liquid outlet 202 and out liquid branch pipe 1012 Connection type between inlet 201 and feed liquor branch pipe 1011 is similar, specifically may refer to foregoing description, no longer superfluous herein It states.
In the present embodiment, inlet 201 and liquid outlet 202 be can be set on side plate 200, also can be set in bottom plate On 100.For example, figures 1 and 2 show that inlet 201 and liquid outlet 202 can be simultaneously on the same faces of side plate 200.When So, inlet 201 and liquid outlet 202 can also be located on opposite two face of side plate 200, such as be separately positioned on figure Left and right side in 2.Or inlet 201 and liquid outlet 202 can also be separately positioned on side plate 200 and bottom plate 100. In the present embodiment without limitation to the quantity of inlet 201 and liquid outlet 202, it such as can be one, or be two.Example Such as, when 201 quantity of inlet is two, a threeway can be connected outside the enclosure, by threeway by changing in liquid inlet conduit Thermal medium is diverted in two inlets 201.
For the cabinet of the present embodiment when carrying out heat exchange, heat transferring medium is from the liquid inlet conduit outside cabinet through inlet 201 It flows into feed liquor branch pipe 1011, i.e., heat transferring medium enters in heat exchange catheter 101;Then heat transferring medium flows in connecting branch 1013 It is dynamic;Eluate conduit outside cabinet finally is flowed out to through liquid outlet 202 by going out liquid branch pipe 1012, i.e. heat transferring medium outflow heat exchange is led Pipe 101.It flows out to after the heat transferring medium outside cabinet is heated or cooling treatment, can be led again by the feed liquor outside cabinet Pipe flows into feed liquor branch pipe 1011, to form the circulation of heat transferring medium.
In addition it is also necessary to illustrate a bit, in the present embodiment, heat transferring medium can be liquid or gas, for example, water or Person's vapor.
The cabinet provided in this embodiment for being used to install group of battery modules, is situated between by being arranged on the bottom plate of cabinet for heat exchange The heat exchange pipeline that matter circulates, wherein the bottom surface of heat exchange pipeline is embedded in bottom plate, so that heat exchange pipeline and box baseplate shape At integrated structure.When heat transferring medium is in heat exchange pipeline internal circulation flow, by integrated heat exchange pipeline and bottom plate, So that heat transferring medium carries out heat exchange with group of battery modules on one side, hot friendship is carried out with external cooling system and outside air on one side It changes, and directly and contacting external air due to the bottom surface of box baseplate, improves heat exchange efficiency.Especially when outside air flows When very fast, such as the new-energy automobile of above-mentioned cabinet is installed on road surface when driving, the flowing of wind caused by body movement The heat that bottom plate can quickly be taken away, further increases heat exchange efficiency.Further, since the bottom surface of heat exchange pipeline is directly embedded at cabinet Bottom plate in, in the case where equal volume, the space for being used to accommodate heat exchange pipeline in cabinet originally is allowed to be used to accommodate More group of battery modules.Meanwhile if heat exchange pipeline is embedded the rupture of the bottom in bottom plate, the heat transferring medium of leakage can be straight It connects from backplate surface and flows out, without entering box house, this reduces heat transferring medium in heat exchange pipeline to a certain extent and seeps Security risk brought by leaking.
Embodiment two
On the basis of the above embodiments, it in the present embodiment, as shown in Fig. 3~Fig. 6, is formed in bottom plate 100 for heat exchange The connecting pipeline 1014 of media flow, the both ends of the connecting pipeline 1014 with feed liquor branch pipe 1011 and out liquid branch pipe 1012 respectively Connection, and connecting pipeline 1014 is between two neighboring connecting branch 1013.
Specifically, heat exchange pipeline 101 further includes connecting pipeline 1014 referring to Fig. 3, connecting pipeline 1014 is located at bottom plate 100 Interior, i.e., connecting pipeline 1014 is embedded in bottom plate 100.Connecting pipeline 1014 can pass through any appropriate technique in the prior art It is prepared, for example, can be buried by model casting integral molding techniques, or depth can also be carried out to bottom plate 100 Degree drilling obtains connecting pipeline 1014.The cross section of connecting pipeline 1014 can be round, ellipse or polygon, to obtain Suitable heat exchange area is obtained to improve heat conduction efficiency.
With continued reference to Fig. 3, the present embodiment can bury a plurality of connecting pipeline 1014 in bottom plate 100.By in bottom plate 100 Interior embedded connecting pipeline 1014, increases the heat exchange area of bottom plate 100, to improve heat exchanger effectiveness.It is appreciated that when being provided with When a plurality of connecting pipeline 1014, these connecting pipelines 1014 are separately positioned between two neighboring connecting branch 1013.
Further, as shown in Fig. 3~Fig. 6, it is formed on connecting pipeline 1014 toward the projecting inward protrusion 1015 of cabinet. In the present embodiment, protrusion 1015 can be cambered surface, trapezoidal faces or any other suitable shape towards the intracorporal outer surface of case Surface.By forming above-mentioned raised 1015 on connecting pipeline 1014,1014 heat exchange area of connecting pipeline can be increased, thus Improve heat exchange efficiency.Optionally, the protrusion 1015 formed on connecting pipeline 1014 has multiple, these protrusions 1015 can be along Connecting pipeline 1014 is evenly arranged.
Provided in this embodiment further includes that connecting pipeline is formed on bottom plate for installing the cabinet of group of battery modules, even The both ends on siphunculus road are respectively with feed liquor branch pipe and liquid branch pipe is connected to out and connecting pipeline is between two neighboring connecting branch, together When can also be formed on connecting pipeline toward the projecting inward protrusion of cabinet.By forming connecting pipeline and protrusion on bottom plate, one Aspect makes to improve heat exchanger effectiveness, another aspect increase connects with accommodating cavity containing more heat transferring mediums in pipe heat pipeline Contacting surface product, further increases heat exchanger effectiveness.
Embodiment three
The specific example for the cabinet that the present embodiment provides one for installing group of battery modules.
As shown in Figure 1, in the present embodiment, cabinet generally rectangle comprising top plate 300, the bottom plate 100 of rectangular shape And the side plate 200 between top plate 300 and 100.In the accommodating cavity that top plate 300, bottom plate 100 and side plate 200 are surrounded It is used to that group of battery modules is installed in 400.In order to improve leakproofness, sealing ring can also be installed between top plate 300 and side plate 200 500。
The heat exchange pipeline 101 for circulating for heat transferring medium, heat exchange pipeline are provided on the bottom plate 100 of cabinet 101 bottom surface is embedded in bottom plate 100.Heat exchange pipeline 101 includes feed liquor branch pipe 1011, goes out liquid branch pipe 1012 and a plurality of connection branch Pipe 1013.
Referring to FIG. 2, in the present embodiment, feed liquor branch pipe 1011 is rectilinear form, liquid branch pipe 1012 is similar L shape out Shape.Feed liquor branch pipe 1011 and a part of liquid branch pipe 1012 out are parallel to each other;In feed liquor branch pipe 1011 and liquid branch pipe 1012 out Be arranged side by side a plurality of connecting branch 1013 between first part, the both ends of connecting branch 1013 respectively with feed liquor branch pipe 1011 and go out Liquid branch pipe 1012 is connected to;The second part of liquid branch pipe 1012 is parallel with connecting branch 1013 out, one end of feed liquor branch pipe 1011 with Inlet 201 is connected to, and one end of liquid branch pipe 1012 is connected to liquid outlet 202 out, and inlet 201 and liquid outlet 202 are located at side plate 200 the same face.
As shown in figure 3, being formed with a plurality of cross section in bottom plate 100 is circular connecting pipeline 1014.These communicating pipes Liquid branch pipe 1012 is connected to feed liquor branch pipe 1011 and out respectively at the both ends on road 1014, and every connecting pipeline 1014 be respectively positioned on it is adjacent Between two connecting branches 1013.
Fig. 3~Fig. 6 is please referred to, be formed on connecting pipeline 1014 multiple past box houses protrusions and towards cabinet Interior outer surface is the protrusion 1015 of cambered surface, these protrusions 1015 are uniformly arranged on connecting pipeline 1014.
The cabinet provided in this embodiment for being used to install group of battery modules, is provided with heat exchange pipeline on the bottom plate of cabinet, The bottom surface of heat exchange pipeline is embedded in bottom plate, and heat exchange pipeline includes feed liquor branch pipe, goes out liquid branch pipe and a plurality of connecting branch, Yi Jiwei The connecting pipeline comprising multiple protrusions between connecting branch.By setting integrated with the bottom plate of cabinet for heat exchange pipeline Structure allows heat transferring medium directly to carry out heat exchange by bottom plate and outside air, improves heat exchanger effectiveness.In addition, Since the bottom surface of heat exchange pipeline is directly embedded in the bottom plate with cabinet, in the case where equal volume, can make former in cabinet This space for being used to accommodate heat exchange pipeline can be used to accommodate more group of battery modules, and also improve to a certain extent Safety.Certainly, protrusion is formed by setting connecting pipeline and on connecting pipeline, is made to contain in heat exchange pipeline and more be changed Thermal medium helps to improve heat exchanger effectiveness, and increases the contact area of heat exchange pipeline and accommodating cavity, further increases heat Exchange efficiency.
Example IV
The present embodiment provides a kind of battery packs, including above-mentioned cabinet and are installed on the intracorporal battery module of the case Group.The heat transferring medium flowed in the heat exchange pipeline 101 on the bottom plate 100 of cabinet can be by heat band that group of battery modules distributes It walks or the temperature to provide heat in cabinet to keep group of battery modules.Optionally, the group of battery modules is directly and bottom plate Heat exchange pipeline 101 on 100 contacts, to improve heat exchange efficiency.The structure and function of cabinet is same as the previously described embodiments, specifically may be used With referring to above-described embodiment, details are not described herein.
Battery pack provided in this embodiment, group of battery modules are mounted in cabinet, and the bottom plate of cabinet is equipped with heat exchange pipeline, The bottom surface of heat exchange pipeline is embedded in the bottom plate, on the one hand, heat exchange pipeline directly carries out the same of heat exchange with group of battery modules When heat exchange directly can be carried out by bottom plate and external cooling system and outside air, improve the efficiency of heat exchange;It is another Aspect, since the bottom surface of heat exchange pipeline is embedded in bottom plate, if the bottom surface of the heat exchange pipeline generates crack, what is leaked out is changed Thermal medium is also not easily accessed in the accommodating cavity of cabinet, to improve the safety of battery pack to a certain extent.
Embodiment five
The present embodiment provides a kind of automobiles, including car body and the above-mentioned battery pack being set on car body.In some examples In, battery pack can be set on the chassis of car body, and certainly, in other examples, battery pack also may be mounted at car body Other positions, such as the front or behind of car body.By being exposed on the external battery pack is naked in environment, so that the battery pack The cabinet for being equipped with group of battery modules can directly be contacted with outside air, to improve the group of battery modules installed in cabinet Heat exchange efficiency.
Automobile provided in this embodiment, by the way that heat exchange pipeline is arranged on the bottom plate of cabinet, the bottom surface of the heat exchange pipeline is embedding It is located in the bottom plate, in vehicle travel process, wind from headstock to the tailstock that flow from can quickly will be on battery pack cabinet Heat take away, to improve heat exchange efficiency.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of cabinet, for installing group of battery modules characterized by comprising top plate and bottom plate and be located at top plate and bottom plate Between side plate, the heat exchange pipeline for circulating for heat transferring medium, the bottom of the heat exchange pipeline are provided on the bottom plate Face is embedded in the bottom plate.
2. cabinet according to claim 1, which is characterized in that the heat exchange pipeline includes: feed liquor branch pipe, multiple connections branch Pipe and out liquid branch pipe;
One end of the feed liquor branch pipe is connected to inlet set on the side plate;
Described one end of liquid branch pipe out is connected to liquid outlet set on the side plate and liquid branch pipe and the feed liquor out Arms parallel setting;
The multiple connecting branch is arranged side by side, for being connected to the feed liquor branch pipe and the liquid branch pipe out, to be formed described in confession The channel that heat transferring medium circulates.
3. cabinet according to claim 2, which is characterized in that be formed with the connection for heat transferring medium flowing in the bottom plate Pipeline, liquid branch pipe is connected to the feed liquor branch pipe and out respectively at the both ends of the connecting pipeline, and the connecting pipeline is located at phase Between adjacent two connecting branches.
4. cabinet according to claim 3, which is characterized in that be formed on the connecting pipeline projecting inward toward the cabinet Protrusion.
5. cabinet according to claim 4, which is characterized in that the protrusion has multiple, is uniformly arranged on the communicating pipe On the road.
6. cabinet according to claim 4, which is characterized in that it is described protrusion towards the intracorporal outer surface of the case be arc Face.
7. cabinet according to claim 3, which is characterized in that the cross section of the connecting pipeline be round, ellipse or Person's polygon.
8. according to the described in any item cabinets of claim 3 to 7, which is characterized in that the connecting pipeline is a plurality of.
9. a kind of battery pack, which is characterized in that including the described in any item cabinets of claim 1 to 8, and be installed on the case Intracorporal group of battery modules.
10. a kind of automobile, which is characterized in that including car body and the electricity as claimed in claim 9 being set on the car body Chi Bao.
CN201821358033.3U 2018-08-22 2018-08-22 Battery pack and its cabinet, automobile Active CN209001073U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112397843A (en) * 2019-07-31 2021-02-23 威茨曼有限公司 Housing for a battery cell arrangement, method for producing the same, and temperature-adjustable battery cell arrangement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112397843A (en) * 2019-07-31 2021-02-23 威茨曼有限公司 Housing for a battery cell arrangement, method for producing the same, and temperature-adjustable battery cell arrangement
CN112397843B (en) * 2019-07-31 2023-03-24 威茨曼有限公司 Housing for a battery cell arrangement, method for producing the same, and temperature-adjustable battery cell arrangement

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