CN115956319A - A battery package and new energy automobile for new energy automobile - Google Patents
A battery package and new energy automobile for new energy automobile Download PDFInfo
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- CN115956319A CN115956319A CN202080100493.XA CN202080100493A CN115956319A CN 115956319 A CN115956319 A CN 115956319A CN 202080100493 A CN202080100493 A CN 202080100493A CN 115956319 A CN115956319 A CN 115956319A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The application provides a battery package for new energy automobile relates to new energy automobile battery field. The battery pack for the new energy automobile comprises a shell, a battery module and a liquid cooling device, wherein the shape of the shell is matched with the battery installation space of the new energy automobile, the battery module is arranged in the shell, and the battery module is formed by stacking at least two battery modules; the number of the battery cores of each battery module in the battery module is the same or different, so that the shape of the battery module is matched with that of the shell; the liquid cooling device is attached to the battery module and used for carrying out heat exchange on the battery module. The battery pack for the new energy automobile has the advantages of compact structure, high integration level, flexible appearance and good heat management effect, can adapt to the battery installation space in various new energy automobiles, and has the advantages of high space efficiency, strong cruising ability, simple assembly and low production and manufacturing cost.
Description
The application relates to the field of new energy automobile batteries, in particular to a battery pack for a new energy automobile and the new energy automobile.
Under the current conditions of increasingly serious environmental pollution and petroleum loss, new energy automobiles become an important link for development in the automobile industry. The battery pack for the new energy automobile serves as a core component of the new energy automobile, and how to arrange the battery pack in the new energy automobile becomes a technical difficulty.
In the prior art, chassis platform architecture systems of hybrid new energy vehicles popularized by most vehicle manufacturers are changed and optimized on the basis of the vehicle types of original fuel vehicles; the purpose of this is to save the development cost, keep the original model characteristic; but the defect is that the battery installation space left on the chassis of the new energy automobile is irregular in shape, which is not beneficial to the development and manufacture of products. In order to solve the problem, part of automobile manufacturers select to preferentially arrange the battery pack for the new energy automobile in a trunk of the new energy automobile so as to install the battery pack with a regular shape, but the arrangement can reduce the use space of the trunk and influence the use experience of drivers and passengers of the new energy automobile, and the arrangement can lengthen the length from a front cabin to a trunk connecting line and a connecting pipe, so that the manufacturing cost is increased; in addition, in order to meet the requirement of a battery installation space on a chassis of a new energy automobile, part of automobile manufacturers select a small-size battery module to integrate the small-size battery module, and then the battery module can be arranged in a pin-type manner according to irregular space, but the smaller the size of the battery module is, the more additional auxiliary parts are needed, the lower the integration level of the battery module is, and the cost can also be increased.
Therefore, it is urgently needed to design a battery pack for a new energy automobile, which can be arranged in the existing battery installation space of the new energy automobile, has a compact structure and excellent performance, and can be adapted to different battery installation spaces of various new energy automobile models.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the battery pack for the new energy automobile has the advantages of compact structure, high integration level, flexible appearance and good heat management effect, can adapt to battery installation spaces in various new energy automobiles, and is high in space utilization rate, high in cruising ability, simple in assembly and low in production and manufacturing cost.
The application provides a battery pack for a new energy automobile, which comprises a shell, a battery module and a liquid cooling device, wherein the shell is provided with a liquid inlet and a liquid outlet; the shape of the shell is matched with the battery installation space of the new energy automobile; the battery module is arranged in the shell and is formed by stacking at least two battery modules, wherein the number of the battery cells of each battery module in the battery module is the same or different, so that the shape of the battery module is matched with that of the shell; the liquid cooling device is attached to the battery module and used for carrying out heat exchange on the battery module.
Further, the battery pack for the new energy automobile further comprises a battery system distribution box and a flexible circuit board, wherein the battery system distribution box is arranged above the battery module, and the battery system distribution box is electrically connected with the battery module through the flexible circuit board.
Furthermore, a battery management unit, a battery monitoring circuit unit, a high-voltage control unit and a signal acquisition unit are integrated in the battery system distribution box.
Further, the flexible circuit board is respectively attached to the third side end face of the battery module and the side end face of the battery system distribution box.
Further, the battery module has a first side end face, a second side end face and a bottom end face, and the bottom end face is connected with the first side end face and the second side end face respectively.
Further, the liquid cooling device comprises a first liquid cooling assembly, a second liquid cooling assembly and a third liquid cooling assembly, wherein the third liquid cooling assembly is respectively connected with the first liquid cooling assembly and the second liquid cooling assembly.
Further, the first liquid cooling assembly is attached to the first side end face, the second liquid cooling assembly is attached to the second side end face, and the third liquid cooling assembly is attached to the bottom end face.
Furthermore, one side of the liquid cooling device, which is far away from the battery module, is provided with a protection plate.
Furthermore, the protection plate comprises a first protection plate and a second protection plate, the first protection plate is arranged on one side, away from the first side end face, of the first liquid cooling assembly, and the second protection plate is arranged on one side, away from the second side end face, of the second liquid cooling assembly.
Further, the first liquid cooling assembly, the second liquid cooling assembly and the third liquid cooling assembly are all composed of at least one liquid cooling pipe.
Furthermore, a flowing heat exchange medium is arranged in the liquid cooling pipe to carry out heat exchange on the battery module.
Further, the cross-sectional shape of the liquid cooling pipe is polygonal or circular.
Adopt above-mentioned technical scheme, this application a battery package for new energy automobile can set up corresponding casing shape according to the new energy automobile's of different motorcycle types battery installation space to pile up and form the battery module of corresponding shape mutually through the battery module that changes electric core quantity formation according to the shape of casing, consequently the appearance of this application a battery package for new energy automobile is nimble, can adapt to the battery installation space among the multiple new energy automobile, and need not to change the position of arranging of battery in the battery installation space, other usage spaces such as trunk need not to occupy, promote new energy automobile's the use of driving and taking personnel and experience. The battery module is piled up by the battery module of corresponding quantity and forms for the inner structure of the battery package for new energy automobile is compact, and the integrated level is high, can also reduce manufacturing cost simultaneously. Simultaneously, the liquid cooling device links to each other with the battery module laminating for the thermal management of the battery package for new energy automobile is effectual.
Based on the same inventive concept, the application also provides a new energy automobile, which comprises a battery installation space and the battery pack for the new energy automobile, wherein the battery pack for the new energy automobile is arranged in the battery installation space, and the battery pack for the new energy automobile is used for providing driving electric energy for the new energy automobile.
Adopt above-mentioned technical scheme, this application new energy automobile because of its battery package that is used for new energy automobile who has have compact structure, integrated level height, appearance flexibility, advantage that the heat management is effectual, can adapt to the battery installation space among the multiple new energy automobile, consequently the new energy automobile of this application has space efficiency height, duration strong, the assembly is simple, production low in manufacturing cost's advantage.
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a battery pack for a new energy vehicle according to an embodiment of the present application;
fig. 2 is a schematic structural view of a battery module according to an embodiment of the present application;
fig. 3 is a schematic structural view of a battery module according to another embodiment of the present application;
fig. 4 is a schematic structural diagram of the assembled battery module and the liquid cooling device in the embodiment of the present application;
fig. 5 is a schematic structural view illustrating a battery module and a liquid cooling device according to an embodiment of the present disclosure, which are connected to a protection plate after being assembled;
FIG. 6 is a schematic diagram of a liquid cooling apparatus according to an embodiment of the present application;
FIG. 7 is a schematic diagram of a liquid cooling apparatus according to another embodiment of the present application;
fig. 8 is a schematic structural view of a battery system distribution box and a battery module to which a flexible wiring board is connected according to an embodiment of the present application;
fig. 9 is a schematic structural view of a battery system distribution box according to an embodiment of the present application;
fig. 10 is a schematic structural view of a battery mounting space described in the embodiment of the present application;
in the figure, the position of the first and second end faces,
1-a shell;
2-battery module, 20-battery module, 201-first side end face, 202-second side end face, 203-bottom end face, 21-fastening bolt;
3-a liquid cooling device, 30-a liquid cooling pipe, 31-a first liquid cooling component, 32-a second liquid cooling component and 33-a third liquid cooling component;
4-a battery system distribution box, 41-a battery management unit, 42-a battery monitoring circuit unit, 43-a high-voltage control unit and 44-a signal acquisition unit;
5-protective plate, 51-first protective plate, 52-second protective plate;
6-flexible circuit board;
7-battery installation space.
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present application and should not be construed as limiting the present application.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the present application. In the description of the present application, it is to be understood that the terms "upper", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application. 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 implicitly indicating 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. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The present application is further described with reference to the following drawings and examples.
The embodiment of the application provides a battery pack for a new energy automobile.
Referring to fig. 1 to 10, a battery pack for a new energy vehicle according to the present application includes a housing 1, a battery module 2, and a liquid cooling device 3. Wherein, the shape of the shell 1 is matched with the shape of the battery installation space 7 of the new energy automobile. The battery module 2 is disposed inside the case 1, and the battery module 2 is formed by stacking at least two battery modules 20; and the number of cells of the battery modules 20 in the battery module 2 is the same or different, so that the shape of the battery module 2 formed by stacking the battery modules 20 is adapted to the shape of the housing 1. The liquid cooling device 3 is attached to the battery module 20, and the liquid cooling device 3 is used for performing heat exchange on the battery module 20.
It is understood that the number of the battery modules 20 in the battery module 2 may be two, or may be other numbers than two, and the number of the battery modules 20 may be actually adjusted according to the shape of the battery installation space 7 of the new energy vehicle and the driving electric energy required by the new energy vehicle. Preferably, liquid cooling device 3 and battery module 20 realize the laminating to link to each other through the integrated back of heat-conducting medium, can reduce the installation space that liquid cooling device 3 and battery module 20 need occupy effectively like this, realize being used for new energy automobile's battery package's high integration.
As shown in fig. 2 and 3, the battery module 2 is exemplified by two battery modules 20. As shown in the embodiment of fig. 2, the battery module 2 is formed by stacking two battery modules 20 having different numbers of cells, the battery module 20 on the upper layer has a smaller number of cells than the battery module 20 on the lower layer, and the battery pack for a new energy automobile having the battery module 2 stacked in this way can be applied to the battery installation space 7 of the new energy automobile having different sizes of the upper and lower layers and irregular shapes. As shown in the embodiment of fig. 3, the number of cells of the battery modules 20 on the upper layer is the same as the number of cells of the battery modules 20 on the lower layer, and the battery pack for the new energy vehicle having the battery modules 2 stacked in this way has high spatial integration, and can be applied to the battery installation space 7 of the new energy vehicle in a regular shape with the same size of the upper and lower layers. Specifically, the stack design of the battery modules 20 in the battery module 2 can be adjusted according to the shape of the battery installation space 7 of the new energy automobile in actual use, the battery modules 20 are stacked according to actual use requirements as required to adjust the height of the battery installation space 7, and the number of the battery cells of each layer of the battery modules 20 is adjusted according to the actual use requirements to adapt to the length of the battery installation space 7. Therefore, the battery pack for the new energy automobile can be suitable for the new energy vehicles of different types, in the process of changing, upgrading or expanding the battery platforms of the new energy vehicles of different adaptation types, the appearance can be flexibly adjusted, only the existing battery cores are needed to be used for meeting, fewer new open parts need to be added, correspondingly, the test needing to be added is also reduced, the model selection of the battery does not need to be changed, the restriction of influencing the model selection by the battery resources when the new energy vehicles are researched and developed is less, the design research and development cost of the battery pack required by the new energy vehicles of different types can be effectively reduced, and the period required by the design research and development and the production can be greatly shortened. Simultaneously, this application be used for new energy automobile's battery package can adaptation new energy automobile's battery installation space 7, need not occupy in the installation new energy automobile except that battery installation space 7 the space in regions such as trunk, when improving space utilization, the space of reserving for driver and crew's autonomous control also obtains promoting effectively, has also promoted driver and crew's use simultaneously and has experienced.
The battery modules 20 of each layer are fixedly connected through the fastening bolts 21 after being stacked, and the fixed connection mode is simple and reliable, the internal structure is compact, the space utilization rate is high, and the design and installation costs are low. The number and length of the fastening bolts 21 are determined according to the length and height of the battery module 20, and for example, the number of the fastening bolts 21 may be 4, 6, 8, 10, etc. In other embodiments, the stacked plurality of battery modules 20 may be fixed by other means, for example, adhesive fixing, etc.
In some embodiments of the present application, as shown in fig. 8, the battery pack for a new energy automobile further includes a battery system distribution box 4 and a flexible printed circuit board 6, the battery system distribution box 4 is disposed above the battery module 2, and the battery system distribution box 4 is electrically connected to the battery module 2 through the flexible printed circuit board 6.
As shown in fig. 8, the flexible wiring board 6 is attached to a third side end surface (not shown) of the battery module 2 and a side end surface (not shown) of the battery system distribution box 4. The flexible circuit board 6 imbeds the circuit design on the frivolous plastic sheet of flexible, pile and inlay a large amount of precision components in narrow and small and limited space, thereby form flexible circuit, can laminate on the third side end face (drawing do not mark) of battery module 2 and the side end face (drawing do not mark) of battery system block terminal 4, make full use of is used for the space of narrow and small side end face department in the battery package of new energy automobile, can overcome the big shortcoming of traditional connecting wire harness radius of turning a corner simultaneously, flexible circuit board 6 can be crooked at will simultaneously, fold, light in weight, small in size, good heat dissipation, simple to operate.
In some embodiments of the present application, as shown in fig. 9, the battery system distribution box 4 includes a battery management unit 41, a battery monitoring circuit unit 42, a high voltage control unit 43, and a signal acquisition unit 44. The battery management unit 41, the battery monitoring circuit unit 42, the high-voltage control unit 43 and the signal acquisition unit 44 are highly integrated in the battery system distribution box 4, so that a highly integrated design is realized, the installation space required by the battery system distribution box 4 is effectively saved, the space utilization rate of a battery pack for a new energy automobile is improved, and the assembly efficiency of the battery pack for the new energy automobile is improved. The signal acquisition unit 44 may include a leakage sensor, a smoke sensor, and other sensing devices. Meanwhile, due to the design of the highly integrated battery system distribution box 4, connection points between the battery system distribution box 4 and the battery module 2 are reduced, and the reliability of the battery system distribution box 4 and a battery pack with the same for a new energy automobile is improved.
In some embodiments of the present application, as shown in fig. 3 and 4, the battery module 20 has a first side end surface 201, a second side end surface 202, and a bottom end surface 203, the bottom end surface 203 being connected to the first side end surface 201 and the second side end surface 202, respectively. The liquid cooling device 3 includes a first liquid cooling module 31, a second liquid cooling module 32 and a third liquid cooling module 33, and the third liquid cooling module 33 is connected to the first liquid cooling module 31 and the second liquid cooling module 32, respectively. The first liquid cooling assembly 31 is attached to the first side surface 201, the second liquid cooling assembly 32 is attached to the second side surface 202, and the third liquid cooling assembly 33 is attached to the bottom surface 203. Through set up corresponding first liquid cooling subassembly 31, second liquid cooling subassembly 32 and third liquid cooling subassembly 33 respectively at battery module 20's first side terminal surface 201, second side terminal surface 202 and bottom end face 203, can increase liquid cooling device 3 and battery module 20's area of contact effectively, improve the heat conduction efficiency that is used for new energy automobile's battery package, the reinforcing is used for new energy automobile's battery package's heat transfer effect. Meanwhile, the first liquid cooling assembly 31, the second liquid cooling assembly 32 and the third liquid cooling assembly 33 are attached to the first side end face 201, the second side end face 202 and the bottom end face 203 respectively, the required installation space is small, and the space utilization rate is high.
In some embodiments of the present application, the side of the liquid cooling device 3 away from the battery module 20 is provided with a protection plate 5. The shielding plates 5 include a first shielding plate 51 and a second shielding plate 52; the first protection plate 51 is disposed on a side of the first liquid cooling module 31 away from the first side end surface 201, and the second protection plate 52 is disposed on a side of the second liquid cooling module 32 away from the second side end surface 202. Because of the new energy automobile need be on the basis of not changing the motorcycle type of original fuel car, install the battery in battery installation space 7, and battery installation space 7's space is narrow and small, and the headspace is not enough, consequently, when new energy automobile received the side collision, can extrude the battery package that is used for new energy automobile very easily. The outside of liquid cooling device 3 can be fixed to guard plate 5, and guard plate 5 also can be fixed on the inboard of casing 1, and outside impact can be shared to guard plate 5, and then protects the battery package that is used for new energy automobile effectively, takes place electric core atress after the battery package quilt that is used for new energy automobile when avoiding the collision after being extruded, avoids electric core atress and the potential safety hazard that brings.
In some embodiments of the present application, as shown in fig. 6 and 7, the first liquid cooled assembly 31, the second liquid cooled assembly 32, and the third liquid cooled assembly 33 are each comprised of at least one liquid cooled tube 30. The number of liquid cooling tubes 30 included in the first liquid cooling assembly 31, the second liquid cooling assembly 32, and the third liquid cooling assembly 33 can be adjusted according to the size of the battery module 20 and the heat dissipation requirements. As shown in fig. 6, the first liquid cooling module 31 and the second liquid cooling module 32 are each composed of only one liquid cooling pipe 30, and the third liquid cooling module 33 may be composed of two liquid cooling pipes 30. As shown in fig. 7, the first liquid cooling assembly 31 and the second liquid cooling assembly 32 are each composed of only two liquid cooling pipes 30, and the third liquid cooling assembly 33 may be composed of four liquid cooling pipes 30. The number and length of the liquid cooling pipes 30 included in the first liquid cooling assembly 31, the second liquid cooling assembly 32 and the third liquid cooling assembly 33 can be set according to the volume of the battery module 20 in actual use, heat dissipation requirements and the like, which are not listed here.
It is understood that the liquid cooling tube 30 may be made of, but not limited to, a metal material with good ductility, such as a copper plate, an aluminum plate, a stainless steel plate, etc., or a combination of the metal material and/or some non-metal materials, as long as the required ductility and bendability of the liquid cooling tube 30 are met, and the invention is not limited thereto.
A heat exchange medium is flowed in the liquid cooling pipe 30 to perform heat exchange with the battery module 20. Through heating/cooling original paper heat transfer medium/cooling, heat transfer medium can flow in liquid cooling pipe 30 so that liquid cooling device 31 carries out the heat exchange (heating/cooling) to the battery package that is used for new energy automobile to guarantee that battery module 2 in the battery package that is used for new energy automobile works under suitable temperature, and then the life and the continuation of the journey mileage of the battery package that is used for new energy automobile of extension. The heat transfer medium is typically one of water, coolant mixtures, glycols and glycol/water mixtures, synthetic hydrocarbon oils, PAO dielectrics, and the like. The liquid cooling device 3 may be a coiled pipe formed by bending a straight pipe for many times, or may be formed by splicing a plurality of straight pipes after bending.
It is understood that the cross-sectional shape of the liquid cooling pipes 30 is one or two of a polygon and a circle, and the distances between the liquid cooling pipes 30 forming each column of the corresponding first liquid cooling assembly 31, second liquid cooling assembly 32 and third liquid cooling assembly 33 may be equal or different, and may be modified according to the actual use situation.
Based on the above-mentioned battery package for new energy automobile, this application in one embodiment still provides a new energy automobile. The new energy automobile comprises a battery installation space 7 and a battery pack for the new energy automobile as in any one of the above embodiments. As shown in fig. 10, the battery installation space 7 of the new energy automobile is formed by modifying and optimizing the vehicle type of the original fuel vehicle. The battery pack for the new energy automobile is arranged in the battery installation space 7, and the battery pack for the new energy automobile is used for providing driving electric energy of the new energy automobile.
The vehicle that is used for in this application embodiment's a battery package for new energy automobile has compact structure, integrated level height, appearance flexibility, heat management is effectual, the security performance is high, long service life's advantage, and can adapt to the battery installation space among the multiple new energy automobile, therefore the new energy automobile that this application provided's dynamic performance is good, factor of safety is high, space utilization is high, duration is strong, the assembly is simple, production low in manufacturing cost.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (13)
- A battery pack for a new energy automobile, comprising:the shape of the shell (1) is matched with the battery installation space (7) of the new energy automobile;the battery module (2) is arranged in the shell (1), and the battery module (2) is formed by stacking at least two battery modules (20); the number of the battery cells of each battery module (20) in the battery modules (2) is the same or different, so that the shape of the battery modules (2) is matched with that of the shell (1);the liquid cooling device (3), the liquid cooling device (3) with battery module (20) laminating links to each other, liquid cooling device (3) are used for right battery module (20) carry out the heat exchange.
- The battery pack for the new energy automobile according to claim 1, characterized in that: still include battery system block terminal (4) and flexible line way board (6), battery system block terminal (4) are located the top of battery module (2), battery system block terminal (4) pass through flexible line way board (6) with battery module (2) electricity is connected.
- The battery pack for the new energy automobile according to claim 2, characterized in that: a battery management unit (41), a battery monitoring circuit unit (42), a high-voltage control unit (43) and a signal acquisition unit (44) are integrated in the battery system distribution box (4).
- The battery pack for the new energy automobile according to claim 2, characterized in that: and the flexible circuit board (6) is respectively attached to the third side end face of the battery module (2) and the side end face of the battery system distribution box (4).
- The battery pack for the new energy automobile according to claim 1, characterized in that: the battery module (20) is provided with a first side end face (201), a second side end face (202) and a bottom end face (203), wherein the bottom end face (203) is respectively connected with the first side end face (201) and the second side end face (202).
- The battery pack for the new energy automobile according to claim 5, characterized in that: the liquid cooling device (3) comprises a first liquid cooling assembly (31), a second liquid cooling assembly (32) and a third liquid cooling assembly (33), wherein the third liquid cooling assembly (33) is connected with the first liquid cooling assembly (31) and the second liquid cooling assembly (32) respectively.
- The battery pack for the new energy automobile according to claim 6, wherein: the first liquid cooling assembly (31) is attached to the first side end face (201), the second liquid cooling assembly (32) is attached to the second side end face (202), and the third liquid cooling assembly (33) is attached to the bottom end face (203).
- The battery pack for the new energy automobile according to claim 6, characterized in that: and one side of the liquid cooling device (3) far away from the battery module (20) is provided with a protection plate (5).
- The battery pack for the new energy automobile according to claim 8, wherein: the protection plate (5) comprises a first protection plate (51) and a second protection plate (52), the first protection plate (51) is arranged on one side, away from the first side end face (201), of the first liquid cooling assembly (31), and the second protection plate (52) is arranged on one side, away from the second side end face (202), of the second liquid cooling assembly (32).
- The battery pack for the new energy automobile as claimed in claim 6, wherein the first liquid cooling assembly (31), the second liquid cooling assembly (32) and the third liquid cooling assembly (33) are all composed of at least one liquid cooling pipe (30).
- The battery pack for the new energy automobile according to claim 10, wherein a flowing heat exchange medium is provided in the liquid-cooled tube (30) to perform heat exchange on the battery module (20).
- The battery pack for the new energy automobile according to claim 10, wherein the cross-sectional shape of the liquid-cooled tube (30) is a polygon or a circle.
- The utility model provides a new energy automobile which characterized in that: the battery pack for the new energy automobile comprises a battery installation space (7) and the battery pack for the new energy automobile as claimed in any one of claims 1 to 12, wherein the battery pack for the new energy automobile is arranged in the battery installation space (7), and the battery pack for the new energy automobile is used for providing driving electric energy of the new energy automobile.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2020/115554 WO2022056715A1 (en) | 2020-09-16 | 2020-09-16 | Battery pack for new energy vehicle, and new energy vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115956319A true CN115956319A (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080100493.XA Pending CN115956319A (en) | 2020-09-16 | 2020-09-16 | A battery package and new energy automobile for new energy automobile |
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| Country | Link |
|---|---|
| KR (1) | KR20230036159A (en) |
| CN (1) | CN115956319A (en) |
| WO (1) | WO2022056715A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20230036159A (en) | 2023-03-14 |
| WO2022056715A1 (en) | 2022-03-24 |
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