CN105655509A - Lower box body and battery box comprising same - Google Patents

Lower box body and battery box comprising same Download PDF

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Publication number
CN105655509A
CN105655509A CN201610157054.8A CN201610157054A CN105655509A CN 105655509 A CN105655509 A CN 105655509A CN 201610157054 A CN201610157054 A CN 201610157054A CN 105655509 A CN105655509 A CN 105655509A
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CN
China
Prior art keywords
reinforcement
connector
lower box
chamber
perforation
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Pending
Application number
CN201610157054.8A
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Chinese (zh)
Inventor
陈亮美
秦峰
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Contemporary Amperex Technology Co Ltd
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Contemporary Amperex Technology Co Ltd
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Application filed by Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Priority to CN201610157054.8A priority Critical patent/CN105655509A/en
Publication of CN105655509A publication Critical patent/CN105655509A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The application relates to the technical field of lithium ion battery production, in particular to a lower box body and a battery box comprising the same. The lower box body comprises a shell and a reinforced connecting structure, the reinforced connecting structure comprises a reinforced connecting component, the shell is formed by enclosing of a side wall and a side wall, a cavity is formed in the shell, a connecting piece is arranged on the shell in a penetrating mode, the connecting piece is communicated with the cavity in a penetrating mode, the reinforced connecting component comprises a connecting piece, a reinforcing piece and a filling structure, the reinforcing piece is arranged in the cavity, a connecting hole is formed in the reinforcing piece, the connecting piece is connected with the connecting hole, and the filling structure fills the residual space of the cavity. The battery box comprises an upper cover, a battery pack and a lower box body, wherein the battery pack is arranged in the lower box body and is fixed with the lower box body; the upper cover covers the lower box body, and the upper cover is fixed with the lower box body. On the one hand, the strength and the rigidity of the lower box body of the battery box can be guaranteed, on the other hand, the weight of the battery box can be reduced, and the energy density is improved.

Description

Lower box and comprise the battery case of lower box
Technical field
The application relates to lithium ion battery production technical field, particularly relates to a kind of lower box and the battery case comprising lower box.
Background technology
Now, owing to rise and the resource of oil price are fewer and feweri, electric automobile has become as an important development direction of automobile industry. But, electric automobile is installed substantial amounts of electrokinetic cell, it is necessary to make casing and these electrokinetic cells are installed, and the power battery box that automobile industry uses at present is generally adopted metal material and manufactures more. Metal battery case has the shortcomings such as structure complexity, operation is many, concordance is poor, weight is big.
Therefore, occur in that again composite battery case on the market, and composite battery case has the shortcoming that rigidity is low completely.
In order to improve the rigidity of composite battery case, metal rack is just installed, owing to adding metal rack, although rigidity can be increased, but also can increase the weight of Battery case in the bottom of the lower box of composite battery case. For car load, the weight of car load will be increased, thus bringing bigger energy consumption.
Summary of the invention
This application provides a kind of lower box and the battery case comprising lower box, both can guarantee that the lower box strength and stiffness of battery case, the weight of battery case can be alleviated again, improve energy density.
This application provides a kind of lower box, including housing and reinforcement attachment structure, described reinforcement attachment structure includes at least one and strengthens connecting elements,
Described housing is the structure of the open at one end surrounded by sidewall and base plate, and described housing be internally provided with cavity, described housing is provided with connector perforation, described connector perforation connect with described cavity,
Described reinforcement connecting elements includes connector, reinforcement and interstitital texture, described reinforcement is arranged in described cavity, described reinforcement is provided with the connecting hole bored a hole corresponding to described connector, described connector is connected with described connecting hole, and described interstitital texture fills the remaining space of described cavity.
Preferably, described reinforcement attachment structure includes the first reinforcement connecting elements, and described cavity includes the first chamber, described connector perforation include first connector perforation, and with described first chamber,
Described first strengthens connecting elements includes the first connector, the first reinforcement and the first interstitital texture,
Described first chamber is positioned at described sidewall, described first connector perforation is arranged on the bottom surface of described sidewall, and with described first chamber, described first reinforcement is arranged in described first chamber, described first reinforcement is provided with the first connecting hole corresponding to described first connector perforation, described first connector is connected with described first connecting hole, and described first interstitital texture fills the remaining space of described first chamber.
Preferably, described reinforcement attachment structure also includes the second reinforcement connecting elements, and described cavity includes the second chamber, described connector perforation include second connector perforation, and with described second chamber,
Described second strengthens connecting elements includes the second connector, the second reinforcement and the second interstitital texture,
Described second chamber is positioned at described base plate, described second connector perforation is arranged on the end face of described base plate, described second reinforcement is arranged in described second chamber, described second reinforcement is provided with the second connecting hole corresponding to described second connector perforation, described second connector is connected with described second connecting hole, described second interstitital texture fills the remaining space of described second chamber.
Preferably, described reinforcement attachment structure also includes reinforcement, and described reinforcement is arranged in described housing.
Preferably, described reinforcement attachment structure also includes Acanthopanan trifoliatus (L.) Merr. strong ties component, and described cavity includes the 3rd chamber, described connector perforation include the 3rd connector perforation, and with described 3rd chamber,
Described Acanthopanan trifoliatus (L.) Merr. strong ties component includes the 3rd connector, the 3rd reinforcement and the 3rd interstitital texture,
Described 3rd chamber is positioned at described sidewall, described 3rd connector perforation is arranged on the end face of described sidewall, described 3rd reinforcement is arranged in described 3rd chamber, described 3rd reinforcement is provided with the 3rd connecting hole corresponding to described 3rd connector perforation, described 3rd connector is connected with described 3rd connecting hole, and described 3rd interstitital texture fills the remaining space of described 3rd chamber.
Preferably, described reinforcement attachment structure includes described first simultaneously and strengthens connecting elements, described second reinforcement connecting elements and described Acanthopanan trifoliatus (L.) Merr. strong ties component,
Described first chamber, described second chamber and described 3rd chamber are wholely set.
Preferably, described cavity is full of the inside of described housing.
Preferably, described connector is connected with described connecting hole by gluing or threaded mode.
Preferably, described connector is self tapping swivel nut.
Based on above-mentioned lower box, present invention also provides a kind of battery case, including upper cover, set of cells and lower box, described set of cells is arranged in described lower box, and described set of cells is fixed with described lower box; Described upper cover covers described lower box, and described upper cover is fixed with described lower box.
The technical scheme that the application provides can reach following beneficial effect:
Lower box provided herein and comprise the battery case of lower box on the one hand, can guarantee that the strength and stiffness of the lower box of battery case, can alleviate again the weight of battery case on the other hand, improve energy density.
It should be appreciated that above general description and details hereinafter describe and be merely illustrative of, the application can not be limited.
Accompanying drawing explanation
The overall structure schematic diagram of the lower box that Fig. 1 provides for the application first embodiment;
Fig. 2 is the enlarged diagram in A portion in Fig. 1;
The structural representation bottom lower box that Fig. 3 provides for the application first embodiment;
The structural blast schematic diagram of the lower box that Fig. 4 provides for the application first embodiment;
The top view of the lower box that Fig. 5 provides for the application first embodiment;
Fig. 6 is the schematic cross-section in E-E direction along Fig. 5;
Fig. 7 is the enlarged diagram in C portion in Fig. 6;
Fig. 8 is the schematic cross-section in F-F direction along Fig. 5;
Fig. 9 is the enlarged diagram in B portion in Fig. 8;
The overall structure schematic diagram of the lower box that Figure 10 provides for the application the second embodiment;
The structural blast schematic diagram of the lower box that Figure 11 provides for the application the second embodiment;
Figure 12 is the schematic cross-section in B-B direction along Figure 10;
Figure 13 is the parts decomposing schematic representation of Figure 12;
The overall structure schematic diagram of the battery case that Figure 14 provides for the embodiment of the present application.
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet embodiments herein, and for explaining the principle of the application together with description.
Detailed description of the invention
Below by specific embodiment and in conjunction with accompanying drawing, the application is described in further detail. "front", "rear" described in literary composition, "left", "right", " on ", D score is all with the laying state of the lower box in accompanying drawing and the battery case comprising lower box for reference.
As shown in Figures 1 to 4, lower box 10 provided herein, including housing 101 and reinforcement attachment structure, housing 101 is the structure of the open at one end surrounded by sidewall 1011 and base plate 1012, and housing 101 be internally provided with cavity, being provided with connector perforation on housing 101, the perforation of this connector connects with cavity. Strengthen attachment structure and include at least one reinforcement connecting elements, strengthen connecting elements and include connector, reinforcement and interstitital texture, reinforcement is arranged in cavity, for local strengthening, reinforcement is provided with the connecting hole of corresponding connector perforation, connector is connected with connecting hole, and interstitital texture can fill the remaining space of cavity, with the position of fixing reinforcement. Finally, such as bolt etc. can pass external component and connector perforation and threaded with connector, in order to external component and lower box 10 are linked together. Reinforcement attachment structure in the present embodiment, cavity and connector perforation can be arranged on the optional position of housing 101, for being attached from different external components.
Specifically, strengthening attachment structure and include at least one first reinforcement connecting elements, connector perforation includes at least one first connector perforation 111a. First strengthens connecting elements includes the first reinforcement 112a, the first interstitital texture 113a and the first connector 114a. The first chamber is included in the cavity that the sidewall 1011 of housing 101 is formed, first connector perforation 111a is arranged on the bottom surface of sidewall 1011, and with the first chamber, first reinforcement 112a is arranged in the first chamber, first reinforcement 112a is provided with first connecting hole (in figure non-label) of corresponding first connector perforation 111a, first connector 114a and the first connecting hole connect, and the first interstitital texture 113a fills the remaining space of the first chamber.
First connector 114a is for threadeding with the joint outer part (not shown) such as screw, bolt, the joint outer part such as screw, bolt can sequentially pass through external component and the first connector perforation 111a and threaded with the first connector 114a, so that external component is connected with lower box 10. Here external component is car body.
As shown in Figure 4, the reinforcement attachment structure in the present embodiment also includes at least one second reinforcement connecting elements, and connector perforation includes at least one second connector perforation 111b. Second strengthens connecting elements includes the second reinforcement 112b, the second interstitital texture 113b and the second connector 114b. Comprising the second chamber in the cavity that the base plate 1012 of housing 101 is formed, the second connector perforation 111b is arranged on the end face of base plate 1012, and with the second chamber.Second reinforcement 112b is arranged in the second chamber, second reinforcement 112b is provided with second connecting hole (in figure non-label) of the 111b that bores a hole corresponding to the second connector, second connector 114b and the second connecting hole connect, the second connector 114b herein can also be connected with screw or bolt thread, set of cells 30 (as shown in figure 14) also is provided with the hole corresponding for connector 114b with second, hole on screw or screw bolt passes set of cells 30 and threadeding with the second connector 114b after the second connector perforation 111b on housing 101, so that housing 101 is connected with internal set of cells 30. second interstitital texture 113b fills the remaining space of the second chamber.
It addition, be also provided with reinforcement 115 in housing 101, as being arranged in the second chamber by reinforcement 115, after the second interstitital texture 113b fills the remaining space of the second chamber, reinforcement 115 is distributed in the second interstitital texture 113b. In the embodiment shown in fig. 4, reinforcement 115 can be multiple, and multiple reinforcement 115 vertical interlaceds in length and breadth are distributed. Wherein, reinforcement 115 is preferably with composite, it would however also be possible to employ low-density metal material, alloy material or wood materials. Reinforcement 115 can improve the integral rigidity of casing, meets the bearing requirements of set of cells 30, reduces composite stress raisers, it is ensured that the structural strength of local.
In the present embodiment, also can including the 3rd chamber, arrange Acanthopanan trifoliatus (L.) Merr. strong ties component in the 3rd chamber in the sidewall 1011 of housing 101, connector perforation also includes at least one the 3rd connector perforation 111c. Wherein, Acanthopanan trifoliatus (L.) Merr. strong ties component includes the 3rd reinforcement 112c, the 3rd interstitital texture 113c and the 3rd connector 114c, the 3rd connector perforation 111c be arranged on the end face of sidewall 1011, and with the 3rd chamber. 3rd reinforcement 112c is arranged in the 3rd chamber, and the 3rd reinforcement 112c is provided with the 3rd connecting hole (in figure non-label) of the 111c that bores a hole corresponding to the 3rd connector, and the 3rd connector 114c and the three connecting hole connects. The 3rd connector 114c herein can also be connected with screw or bolt thread, upper cover 20 (as shown in figure 14) also is provided with the hole corresponding for connector 114c with the 3rd, hole on screw or screw bolt passes upper cover 20 and threadeding with the 3rd connector 114c after the 3rd connector perforation 111c on housing 101, so that housing 101 is connected with upper cover 20. . 3rd interstitital texture 113c fills the remaining space of the 3rd chamber. Wherein, first reinforcement 112a, the second reinforcement 112b and the three reinforcement 112c are generally wood materials, metal material, alloy material, composite or foamed materials, and metal material and alloy material here are preferably low density metals or the alloys such as aluminum, aluminium alloy, almag. Low density metal and alloy have higher intensity, for in the lower box 10 of battery case, it is possible to be effectively improved the rigidity of junction, intensity, it is ensured that in shock loading situation, lower box 10 does not destroy, connector place structure is intact, it is ensured that connection site did not lose efficacy.
Instead of traditional metal rack in this way, both can guarantee that the rigidity of the lower box 10 of battery case, compared with traditional metal rack, such setting can alleviate again the weight of battery case. Wherein, reinforcement is low due to its density, has higher intensity, can improve and the rigidity of connector junction, intensity, it is ensured that in shock loading, oscillating load situation, lower box 10 does not destroy, and connects glue-line intact, thus ensureing that connection site did not lose efficacy.
In the present embodiment, connector can adopt bonding agent or threaded mode to be connected with respective connecting hole. Such as, when connector is common swivel nut, it is possible to adopt bonding agent and connecting hole to be adhesively fixed, and when adopting self tapping swivel nut, then can directly be fastenedly connected in self tapping swivel nut precession connecting hole. Adopt the mode that self tapping swivel nut connects can reduce bonding hardening time, it is also possible to shorten the process-cycle.
When adopting bonding agent to be attached, hex-shaped recess can be set on connector is bored a hole, the termination of the size of hex-shaped recess and shape and connector adapts, that is, after connector enters into reinforcement inside through connector perforation, the outer of the termination of connector is interior along overlapping with hex-shaped recess, thus preventing connector to be rotated further by. And just without arranging hex-shaped recess again when adopting self tapping swivel nut. Further, hex-shaped recess also not necessarily must adopt hexagon, for instance quadrangle, triangle.
As shown in Figure 5, first reinforcement 112a arranges multiple on the sidewall 1011 of lower box 10, also it is multiple with multiple first corresponding for reinforcement 112a the first connector 114a, multiple first corresponding for connector 114a the first reinforcement 112a coordinate, so that car body is fixed on lower box 10.
Being directly arrange through hole on housing 101 in prior art, when being attached with car body, power can be applied on housing 101, will result in the cracking of housing 101, thus damaging lower box 10. And due to when fixing in the application, power is applied on the first reinforcement 112a all the time, and the first reinforcement 112a is made up of wood materials, metal material, alloy material, composite or foamed materials, therefore, also just it is prevented from housing 101 to ftracture, thus ensureing that lower box 10 is not damaged by.
Second reinforcement 112b is also provided with multiple in the bottom of lower box 10, and the second connector 114b arranged bottom lower box 10 also be multiple, and multiple second corresponding for connector 114b the second reinforcement 112b cooperations, so that set of cells 30 is fixed on casing. Equally, so also can prevent housing 101 from ftractureing, and multiple second reinforcement 112b is set, it is possible to further play the purpose of reinforcing, and increase rigidity further.
As shown in Figure 6 and Figure 7, the quantity of the first connector perforation 111a is two, and is separately positioned on the end face of sidewall 1011 and the bottom surface of sidewall 1012, and two the first connector perforation 111a are oppositely arranged, and all with the first chamber.
As shown in Figure 8 and Figure 9, the quantity of the second connector perforation 111b is two, and is separately positioned on end face and the bottom surface of base plate 1012, and two the second connector perforation 111b are oppositely arranged, and all with the second chamber.
Figure 10 to Figure 13 show in another embodiment of the application, and reinforcement 115 is between the second reinforcement 112b and the bottom surface of base plate 1012.
As shown in figure 14, present invention also provides a kind of battery case, including upper cover 20, set of cells 30 and lower box 10, set of cells 30 is arranged in lower box 10, and set of cells 30 is fixed with lower box 10; Upper cover 20 covers lower box 10, and upper cover 20 is fixed with lower box 10.
In this application, mould pressing process is adopted to realize the molding of lower box 10 structure.
The Making programme of the lower box 10 of the application is:
1) material selects: according to physical and chemical performance requirement, mainly according to intensity, rigidity and surface quality, corrosive nature requirement etc., selective enhancement material, resin, sandwich.
2) shell 101: composite can be adopted, the requirement of strength according to composite, the ratio of design fiber and resin, i.e. the content of fiber; According to load region, carry out shock loading district local strengthening, in the fiber laying that this region paving is abundant, namely abundant composite felt, chopped mat, grid cloth, unidirectional cloth, woven roving, surface felt, preforming embryo, fabric, fiber premix material, invading adhesive plaster in advance, it is long fibre, chopped fiber and combination thereof. After be designed the thickness of composite. The design thickness of this structure is at 0.5mm��10mm.
3) in mould, place the structure such as reinforcement, reinforcement, and wrapped up by material shell.
4) mold pressing, solidifies after transmission resin, it is ensured that body structure size, stable performance.
5) punch after casing molding, and installation connecting element.
In the application, housing 101 has higher intensity, it is possible to meet the rigidity of battery lower box. The reinforcement form of housing 101 has composite felt, chopped mat, grid cloth, unidirectional cloth, woven roving, surface felt, preforming embryo, fabric, fiber premix material, invades adhesive plaster in advance, and it is long fibre, chopped fiber and combination thereof.
Wherein, the reinforcing material of housing 101 adopts glass fibre, aramid fiber, carbon fiber, boron fibre, natural fiber, superhigh molecular weight polyethylene fibers and combination thereof.
The resin base of housing 101 adopts epoxy resin, phenolic resin, unsaturated polyester (UP), vinyl esters, BMI, polyimides, cyanate ester resin, polyphenylene sulfide, polypropylene, polyether-ketone, polyether-ketone and combination thereof. Generally the structural fibers content of this composite is 10%��80%. The thickness of housing 101 is 0.5mm��10mm.
The material of interstitital texture can adopt wood materials, metal material, alloy material, foamed materials or composite. Wherein, foamed materials can select polyvinyl chloride foam (PVC foam), polystyrene foam (PS foam), polyurethane foam (PU foam), PMAm foam (acrylic foam), styrene-acrylonitrile copolymerization foam (SAN foam), polymethacrylimide foam (PMI foam) and combination thereof.
Interstitital texture is low due to density, and has certain structural strength, for improving the integral rigidity of lower box 10, intensity. Because low density feature, it is possible to reduce the weight of Battery case, improve the energy density of battery case.
In other embodiment of the application, it is possible to the first chamber, the second chamber and the 3rd chamber are wholely set, it is possible to expand as far as possible and taken up space, cavity is full of housing 101 internal. So can fill more interstitital texture, to reduce the weight of lower box 10.
The foregoing is only the preferred embodiment of the application, be not limited to the application, for a person skilled in the art, the application can have various modifications and variations. All within spirit herein and principle, any amendment of making, equivalent replacement, improvement etc., should be included within the protection domain of the application.

Claims (10)

1. a lower box, it is characterised in that include housing and strengthen attachment structure, described reinforcement attachment structure includes at least one and strengthens connecting elements,
Described housing is the structure of the open at one end surrounded by sidewall and base plate, and described housing be internally provided with cavity, described housing is provided with connector perforation, described connector perforation connect with described cavity,
Described reinforcement connecting elements includes connector, reinforcement and interstitital texture, described reinforcement is arranged in described cavity, described reinforcement is provided with the connecting hole bored a hole corresponding to described connector, described connector is connected with described connecting hole, and described interstitital texture fills the remaining space of described cavity.
2. lower box according to claim 1, it is characterised in that described reinforcement attachment structure includes the first reinforcement connecting elements, described cavity includes the first chamber, described connector perforation include first connector perforation, and with described first chamber,
Described first strengthens connecting elements includes the first connector, the first reinforcement and the first interstitital texture,
Described first chamber is positioned at described sidewall, described first connector perforation is arranged on the bottom surface of described sidewall, and with described first chamber, described first reinforcement is arranged in described first chamber, described first reinforcement is provided with the first connecting hole corresponding to described first connector perforation, described first connector is connected with described first connecting hole, and described first interstitital texture fills the remaining space of described first chamber.
3. lower box according to claim 2, it is characterised in that described reinforcement attachment structure also includes the second reinforcement connecting elements, described cavity includes the second chamber, described connector perforation include second connector perforation, and with described second chamber,
Described second strengthens connecting elements includes the second connector, the second reinforcement and the second interstitital texture,
Described second chamber is positioned at described base plate, described second connector perforation is arranged on the end face of described base plate, described second reinforcement is arranged in described second chamber, described second reinforcement is provided with the second connecting hole corresponding to described second connector perforation, described second connector is connected with described second connecting hole, described second interstitital texture fills the remaining space of described second chamber.
4. lower box according to claim 3, it is characterised in that described reinforcement attachment structure also includes reinforcement, and described reinforcement is arranged in described housing.
5. the lower box according to Claims 2 or 3, it is characterised in that described reinforcement attachment structure also includes Acanthopanan trifoliatus (L.) Merr. strong ties component, described cavity includes the 3rd chamber, described connector perforation include the 3rd connector perforation, and with described 3rd chamber,
Described Acanthopanan trifoliatus (L.) Merr. strong ties component includes the 3rd connector, the 3rd reinforcement and the 3rd interstitital texture,
Described 3rd chamber is positioned at described sidewall, described 3rd connector perforation is arranged on the end face of described sidewall, described 3rd reinforcement is arranged in described 3rd chamber, described 3rd reinforcement is provided with the 3rd connecting hole corresponding to described 3rd connector perforation, described 3rd connector is connected with described 3rd connecting hole, and described 3rd interstitital texture fills the remaining space of described 3rd chamber.
6. lower box according to claim 5, it is characterised in that described reinforcement attachment structure includes described first simultaneously and strengthens connecting elements, described second reinforcement connecting elements and described Acanthopanan trifoliatus (L.) Merr. strong ties component,
Described first chamber, described second chamber and described 3rd chamber are wholely set.
7. lower box according to claim 1, it is characterised in that described cavity is full of the inside of described housing.
8. lower box according to claim 1, it is characterised in that described connector is connected with described connecting hole by gluing or threaded mode.
9. lower box according to claim 8, it is characterised in that described connector is self tapping swivel nut.
10. a battery case, it is characterised in that include the lower box according to any one of upper cover, set of cells and claim 1 to 9,
Described set of cells is arranged in described lower box, and described set of cells is fixed with described lower box;
Described upper cover covers described lower box, and described upper cover is fixed with described lower box.
CN201610157054.8A 2016-03-18 2016-03-18 Lower box body and battery box comprising same Pending CN105655509A (en)

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CN107380613A (en) * 2017-07-11 2017-11-24 铱格斯曼航空科技集团有限公司 Carbon fibre composite aviation energy reserves case and preparation method
CN107901450A (en) * 2017-11-23 2018-04-13 中航锂电(洛阳)有限公司 A kind of battery case and the battery case, the forming method of Battery case
CN108232073A (en) * 2017-12-29 2018-06-29 智车优行科技(上海)有限公司 Battery for electric automobile babinet and its manufacturing method, electric vehicle
CN109216605A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Battery tray, battery pack assembly and the vehicle with it
CN109216602A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Battery tray and battery pack assembly with it
CN109216601A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Battery tray and battery pack assembly with it
CN109216604A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Battery tray and battery pack assembly with it
CN109216603A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Battery tray, battery pack assembly and the vehicle with it
CN109616591A (en) * 2017-06-30 2019-04-12 比亚迪股份有限公司 Battery tray and battery pack assembly with it
WO2023071265A1 (en) * 2021-11-01 2023-05-04 宁德时代新能源科技股份有限公司 Battery box, battery, and electric apparatus
CN117977091A (en) * 2023-11-17 2024-05-03 宁德时代新能源科技股份有限公司 Battery box, battery and power utilization device

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CN106159155A (en) * 2016-09-23 2016-11-23 宁德时代新能源科技股份有限公司 Battery module and lifting appliance
CN106159155B (en) * 2016-09-23 2019-03-12 宁德时代新能源科技股份有限公司 Battery module and lifting appliance
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CN109216605A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Battery tray, battery pack assembly and the vehicle with it
CN109216602A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Battery tray and battery pack assembly with it
CN109216604A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Battery tray and battery pack assembly with it
CN109216603A (en) * 2017-06-30 2019-01-15 比亚迪股份有限公司 Battery tray, battery pack assembly and the vehicle with it
CN109616591A (en) * 2017-06-30 2019-04-12 比亚迪股份有限公司 Battery tray and battery pack assembly with it
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CN117977091A (en) * 2023-11-17 2024-05-03 宁德时代新能源科技股份有限公司 Battery box, battery and power utilization device

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Application publication date: 20160608