CN209544453U - Upper cover plate of battery box body, battery box body and battery pack - Google Patents

Upper cover plate of battery box body, battery box body and battery pack Download PDF

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Publication number
CN209544453U
CN209544453U CN201920338168.1U CN201920338168U CN209544453U CN 209544453 U CN209544453 U CN 209544453U CN 201920338168 U CN201920338168 U CN 201920338168U CN 209544453 U CN209544453 U CN 209544453U
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China
Prior art keywords
upper cover
cover plate
service
battery case
connection structure
Prior art date
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CN201920338168.1U
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Chinese (zh)
Inventor
张新意
马晓磊
姜大威
聂东旭
樊翚
周巍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bluepark System Branch Of Baic New Energy Motor Co ltd
Beijing Electric Vehicle Co Ltd
Original Assignee
Bluepark System Branch Of Baic New Energy Motor Co ltd
Beijing Electric Vehicle Co Ltd
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Application filed by Bluepark System Branch Of Baic New Energy Motor Co ltd, Beijing Electric Vehicle Co Ltd filed Critical Bluepark System Branch Of Baic New Energy Motor Co ltd
Priority to CN201920338168.1U priority Critical patent/CN209544453U/en
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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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  • Battery Mounting, Suspending (AREA)

Abstract

The utility model discloses an upper cover plate, battery box and battery package of battery box, the upper cover plate includes: the upper cover plate body is provided with a maintenance port for maintenance; the maintenance cover is detachably installed on the upper cover plate body through a connecting structure and used for plugging the maintenance opening. The utility model discloses an upper cover plate of battery box has the maintenance mouth, and accessible maintenance lid seals the maintenance mouth, and when the electric spare in the battery box need be maintained or changed, can only pull down the maintenance lid to maintain the operation to electric spare, greatly simplified the maintenance process, reduce cost of maintenance.

Description

Upper cover plate, Battery case and the battery pack of Battery case
Technical field
The utility model relates to power battery manufacturing technology fields, upper cover plate, tool more particularly, to a kind of Battery case There are the Battery case of the upper cover plate and the battery pack with the Battery case.
Background technique
When breaking down in the use process of electric automobile power battery system, it is often necessary to open entire battery system Upper cover detected, search reason or replacement components.For pure electric automobile, power battery pack volume is big, for The IP protection of whole packet also has very high requirement.Opening entire upper cover, to repair process cumbersome, and is easy to subsequent whole packet IP Protection impacts, and checks or replace these components every time and require to open entire upper cover, and cost is too big, and there are improved Space.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model One purpose is to propose a kind of upper cover plate of Battery case, in Battery case internal fault, can individually remove service cover into Row checks or replacement, and structure is simple, easy to operate.
According to the upper cover plate of the Battery case of the utility model embodiment, comprising: upper cover plate ontology, the upper cover plate ontology With the service ports for maintenance;Service cover, the service cover are removably installed in the upper cover plate sheet by connection structure Body, and the service cover is for blocking the service ports.
According to the upper cover plate of the Battery case of the utility model embodiment, there are service ports, can will be repaired by service cover Mouth is closed, and when the intracorporal electricity piece of battery case needs repairing or replaces, can individually be removed service cover, to electrical Part carries out attended operation, greatly simplifies maintenance process, reduces maintenance cost.
According to the upper cover plate of the Battery case of the utility model one embodiment, the upper cover plate ontology has around described The mounting surface of service ports, the service cover is supported in the mounting surface, and is folded between the mounting surface and the service cover Sealing strip, the connection structure be located at the sealing strip away from the service ports side and be spaced apart with the sealing strip.
According to the upper cover plate of the Battery case of the utility model one embodiment, the sealing strip has to the service ports Curved evacuation section, the evacuation section limit the installation space for installing the connection structure, and the connection structure is located at The side away from the service ports of the evacuation section.
According to the upper cover plate of the Battery case of the utility model one embodiment, in the mounting surface and the service cover One is equipped with seal groove, and the sealing strip is set to the seal groove.
According to the upper cover plate of the Battery case of the utility model one embodiment, the seal groove includes to the service ports Curved escape groove section, the connection structure are located at the side away from the service ports of the escape groove section.
According to the upper cover plate of the Battery case of the utility model one embodiment, the seal groove includes multiple is staggered And the straight-line groove section and the escape groove section being sequentially connected, the extension at least partially along the straight-line groove section of the connection structure Direction and the straight-line groove section face are arranged.
According to the upper cover plate of the Battery case of the utility model one embodiment, the seal groove has arc-shaped cross-section.
According to the upper cover plate of the Battery case of the utility model one embodiment, the connection structure includes and the upper cover Screw plate ontology connected nut and connect with the nut thread.
The utility model also proposed a kind of Battery case.
According to the Battery case of the utility model embodiment, the upper cover of the Battery case with any of the above-described kind of embodiment Plate.
The utility model has also been proposed a kind of battery pack.
According to the battery pack of the utility model embodiment, including Battery case described in battery modules and above-described embodiment, The battery modules are installed in the Battery case.
Possessed advantage is identical compared with the existing technology for the battery pack, the Battery case and above-mentioned upper cover plate, Details are not described herein.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:
Fig. 1 is the explosive view according to the Battery case of the utility model embodiment;
Fig. 2 is the structural schematic diagram according to the Battery case of the utility model embodiment;
Fig. 3 is the connection schematic diagram of the service cover and upper cover plate ontology according to the utility model embodiment;
Fig. 4 is the partial schematic diagram according to the upper cover plate of the utility model embodiment.
Appended drawing reference:
Battery case 100,
Upper cover plate 1, service cover 11, seal groove 111, upper cover plate ontology 12, service ports 13, mounting surface 14, sealing strip 2, even Binding structure 3, screw 31, nut 32, cabinet 4, groove 5.
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, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.
Below with reference to Fig. 1-Fig. 4 description according to the upper cover plate 1 of the Battery case 100 of the utility model embodiment, in battery Break down in cabinet 100 or when electricity piece damages, the service cover 11 for being installed on upper cover plate 1 can individually be removed, be not required to by Entire upper cover plate 1 removes, and disassembly process is simple, shortens maintenance time, reduces maintenance cost.
As Figure 1-Figure 4, according to the upper cover plate 1 of the Battery case of the utility model embodiment 100, upper cover plate 1 is installed In the upper end of the cabinet 4 of Battery case 100 so that 4 upper end closed of cabinet, and upper cover plate 1 be removably with 4 phase of cabinet Even, wherein upper cover plate 1 includes: upper cover plate ontology 12 and service cover 11.Service cover 11 and upper cover plate ontology 12 can for aluminium alloy, Composite material is made, and cabinet 4 can be made of aluminum alloy materials.
Upper cover plate 1 has service ports 13, and service ports 13 are used to that the component in Battery case 100 to be repaired or replaced, Hand or the tool for being used to repair can be protruded into Battery case 100 from service ports 13 by service ports 13, to internal component It is operated, wherein service ports 13 are set to the region by proximal edge of upper cover plate 1, as shown in Figure 1, service ports 13 are set to upper cover Plate 1 close to the region at one end edge, in order to for from the edge of Battery case 100 protrude into the components in service ports 13 into Row maintenance, structure are simple.Wherein, as shown in figure 4, upper cover plate ontology 12 is equipped with groove 5, groove 5 is used for flowing water, to prevent upper cover 1 water storage of plate, and then avoid burn into infiltration etc., while groove 5 also plays the effect for reinforcing 1 rigidity of upper cover plate.
As shown in Figure 1, the overall structure of service ports 13 is strip, and in the formation of two ends of service ports 13 and upper cover The adaptable side in the edge of plate 1 may make service ports 13 to have biggish open area as a result, be convenient for multiple tools from dimension It repairs mouth 13 and protrudes into cooperating, while the part width that can avoid service ports 13 again is excessive, guarantees at each position of service ports 13 Structural strength it is more balanced, avoid because set service ports 13 reduce upper cover plate 1 structural strength, promoted upper cover plate 1 structure design Reasonability and safety.
Service cover 11 is removably installed in upper cover plate ontology 12 by connection structure 3, and service cover 11 is for blocking dimension Mouth 13 is repaired, as shown in Figure 1 and Figure 2, the shape of service cover 11 is identical as the shape of service ports 13, and the size of service cover 11 is greater than The size of service ports 13, in this way, may make equal energy at each position of service ports 13 when service cover 11 is installed on service ports 13 It accesses and effectively seals against, improve the leakproofness and safety of Battery case 100.
As shown in figure 3, connection structure 3 includes screw 31 and nut 32, nut 32 is connected with upper cover plate ontology 12, screw 31 It is threadedly coupled with nut 32, as shown in figure 3, nut 32 is installed on upper cover plate ontology 12, and there is perforation upper cover plate ontology 12 Threaded hole, service cover 11 have via hole, and via hole penetrates through service cover 11, in this way, screw 31 can protrude into threaded hole through via hole, with It is threadedly coupled with nut 32, and then service cover 11 is stably installed at upper cover plate ontology 12.
Wherein, nut 32 be it is multiple, multiple nuts 32 along the edge of service ports 13 be spaced apart setting, via hole be it is multiple, Multiple via holes are spaced apart setting along the edge of service cover 11, and when service cover 11 is installed on upper cover plate ontology 12, multiple via holes It positions with multiple nuts 32, and is connected by multiple screws 31 correspondingly, so that service cover 11 and upper cover plate ontology 12 exist Connection is effectively fixed at multiple positions, guarantees that 1 overall structure of upper cover plate is stablized.
When battery pack works normally, service cover 11 is connected with upper cover plate ontology 12, so that service ports 13 are closed.It needs It is bright, multiple electricity pieces, such as battery BDU, BMS are installed in Battery case 100, electricity piece can be set to service ports 13 Lower section, and electricity piece can be touched from service ports 13, and when electricity piece needs to carry out malfunction elimination or replacement, user can will be repaired Lid 11 removes from service ports 13, and electricity piece is repaired or replaced from service ports 13, and the disassembly of service cover 11 Journey is simple, greatly simplifies the maintenance process of battery pack, also reduces the influence of whole packet safeguard function, reduces maintenance cost.
According to the upper cover plate 1 of the Battery case 100 of the utility model embodiment, there are service ports 13, service cover can be passed through 11 close service ports 13, and when the electricity piece in Battery case 100 needs repairing or replaces, can be single by service cover 11 It solely removes, to carry out attended operation to electricity piece, greatly simplifies maintenance process, reduce maintenance cost.
In some embodiments, upper cover plate ontology 12 has mounting surface 14, and mounting surface 14 is arranged around service ports 13, installation The shape in face 14 is identical as the shape of service cover 11, and the length and width dimensions of the two are identical, and service cover 11 is supported in mounting surface 14, more A nut 32, which is spaced apart, is set to mounting surface 14, and service cover 11 can be installed on mounting surface 14 by multiple screws 31 as a result, with effective Service ports 13 are closed on ground, and then service cover 11 and upper cover plate ontology 12 are connected as one.
As shown in figure 3, sealing strip 2 is folded between mounting surface 14 and service cover 11, so that upper cover plate ontology 12 and maintenance 11 junction of lid effectively seals against, in this way, the safety of the leakproofness and internal environment of Battery case 100 can be improved, and then makes Battery modules in Battery case 100 are steadily run.
Sealing strip 2 has evacuation section, and evacuation section is bent to service ports 13, i.e., evacuation section is curved towards the direction close to service ports 13 Song, connection structure 3 is located at the side away from service ports 13 of sealing strip 2, and connection structure 3 is spaced apart with sealing strip 2, will tie up When building 11 and being fixedly connected with upper cover plate ontology 12, sealing strip 2 is able to carry out connection structure 3 and effectively avoids, hereby it is achieved that Guarantee that service cover 11 can be effectively fixed with upper cover plate ontology 12 and connect while sealing, avoid section at least partially around connection Structure 3 is arranged, i.e., sealing strip 2 is arranged along the closer region of connection structure 3 is located at.
Evacuation section limits installation space, and installation space is used for mounting connection structure 3, and connection structure 3 is located at evacuation section Away from the side of service ports 13, wherein evacuation Duan Kewei arc, it is arc-shaped for such as avoiding section, so as to avoid each position of section It is relatively uniform with the spacing of connection structure 3, guarantee that each position of evacuation section can keep reasonable distance with connection structure 3, It avoids sealing strip 2 from generating interference to the assembling process of connection structure 3, improves the reasonability of 2 structure of sealing strip design.
In some embodiments, one in mounting surface 14 and service cover 11 is equipped with seal groove 111, i.e., seal groove 111 can Set on mounting surface 14, it can also be set to service cover 11, as shown in figure 3, seal groove 111 is set to connection structure 3 close to service ports 13 Side, sealing strip 2 be set to seal groove 111, seal groove 111 towards close to service ports 13 direction be bent, and service cover 11 with it is upper After cover board body 12 assembles, seal groove 111 forms closed cavity, and sealing strip 2 is set to seal groove 111, with service cover 11 with Stable sealing structure is formed between upper cover plate ontology 12, guarantees that Battery case 100 effectively seals against.
Wherein, sealing strip 2 is foamed silica gel, i.e., by service cover 11 and upper cover plate ontology 12 after the assembly is completed, service cover 11 form closed foam chamber with upper cover plate ontology 12 at seal groove 111, and then foamed material shape is injected into seal groove 111 At sealing strip 2, and the injection rate of controllable foamed material is so that the gap between service cover 11 and upper cover plate ontology 12 is filled out completely It fills, and avoids injection rate excessive to connection structure 3 is destroyed, improve service cover 11 and the leakproofness of upper cover plate ontology 12 guarantees simultaneously The safety of connection structure 3, and the application of silica gel foaming technique are fully automated production, reduce the investment of personnel, reduce The undesirable risk of common sticking double faced adhesive tape, greatly reduces material cost, reduces the width in sealing flange face, drop to the maximum extent Low weight optimizes structure.
Seal groove 111 include to the curved escape groove section of service ports 13, connection structure 3 be located at escape groove section away from maintenance The evacuation section of the side of mouth 13, sealing strip 2 is set to escape groove section, and escape groove section is spaced apart with connection structure 3, to pass through connection When service cover 11 is connected by structure 3 with upper cover plate ontology 12, escape groove section can rationally avoid connection structure 3, guarantee Service cover 11 and upper cover plate ontology 12 rationally assemble.
As shown in figure 3, seal groove 111 includes straight-line groove section and escape groove section, straight-line groove section and escape groove section be it is multiple, And multiple escape groove sections are staggered with multiple straight-line groove sections, and multiple escape groove sections are sequentially connected with multiple straight-line groove sections, i.e., It is equipped with an escape groove section between two neighboring straight-line groove section, is equipped with a straight-line groove section between two neighboring escape groove section, In, straight-line groove section extends along the edge of service cover 11, and escape groove section is recessed towards the inside of straight-line groove section, sets on the outside of escape groove section There is connection structure 3, wherein the surrounding of service cover 11 is connected by multiple connection structures 3 respectively with upper cover plate ontology 12, and multiple Escape groove section is arranged correspondingly with multiple connection structures 3, in this way, service cover 11 and upper cover plate ontology 12 are at multiple positions It can be connected by connection structure 3, and all have preferable leakproofness at each position.
As shown, the extending direction at least partially along straight-line groove section of connection structure 3 is arranged with straight-line groove section face, and As shown, connection structure 3 is at least partially disposed in escape groove section, in this way, installing in service cover 11 and upper cover plate ontology 12 After the completion, connection structure 3 and the whole edge of seal groove 111 are less perpendicular to straight-line groove section direction the space occupied, so that perpendicular to The structure arrangement in straight-line groove section direction is more compact, can save the whole installation space of Battery case 100 as a result, improve space Utilization rate is convenient for integral layout.
In some embodiments, seal groove 111 have arc-shaped cross-section, as seal groove 111 cross section be it is arc-shaped, i.e., Seal groove 111 has smooth inner wall, in this way, foamed material can be with seal groove 111 during sealing strip 2 foams Inner wall be fully bonded, guarantee to effectively seal against between sealing strip 2 and service cover 11, avoid the interior of seal groove 111 Wall surface has pit or dead angle, prevents occurring gap between sealing strip 2 and service cover 11, improves service cover 11 and upper cover plate ontology Leakproofness between 12.
The utility model also proposed a kind of Battery case 100.
According to the Battery case 100 of the utility model embodiment, the upper cover plate of the Battery case 100 with above-described embodiment 1 and cabinet 4, upper cover plate 1 is installed on the upper end of cabinet 4, by the upper end closed of cabinet 4, and it is electrical in Battery case 100 When part needs repairing or replaces, the service cover 11 of upper cover plate 1 can individually be removed from upper cover plate ontology 12, and then by upper The service ports 13 of cover board body 12 safeguard electricity piece, greatly simplifie the maintenance process of electricity piece, reduce maintenance at This.
The utility model has also been proposed a kind of battery pack.
Battery pack according to the present utility model, the Battery case 100 including battery modules and above-described embodiment, battery modules It is installed in Battery case 100, battery modules are connected with multiple electricity pieces, and in electricity piece damage or failure, can be by battery The service cover 11 of cabinet 100 is opened, and electricity piece to be repaired or replaced, maintenance process is simple, easy for installation.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (10)

1. a kind of upper cover plate (1) of Battery case (100) characterized by comprising
Upper cover plate ontology (12), the upper cover plate ontology (12) have the service ports (13) for maintenance;
Service cover (11), the service cover (11) are removably installed in the upper cover plate ontology (12) by connection structure (3), And the service cover (11) is for blocking the service ports (13).
2. the upper cover plate (1) of Battery case (100) according to claim 1, which is characterized in that the upper cover plate ontology (12) there is the mounting surface (14) around the service ports (13), the service cover (11) is supported in the mounting surface (14), and It is folded between the mounting surface (14) and the service cover (11) sealing strip (2), the connection structure (3) is located at the sealing Item (2) away from the service ports (13) side and be spaced apart with the sealing strip (2).
3. the upper cover plate (1) of Battery case (100) according to claim 2, which is characterized in that sealing strip (2) tool The oriented curved evacuation section of the service ports (13), the evacuation section limit the installation for installing the connection structure (3) Space, the connection structure (3) are located at the side away from the service ports (13) of the evacuation section.
4. the upper cover plate (1) of Battery case (100) according to claim 2, which is characterized in that the mounting surface (14) and One in the service cover (11) is equipped with seal groove (111), and the sealing strip (2) is set to the seal groove (111).
5. the upper cover plate (1) of Battery case (100) according to claim 4, which is characterized in that the seal groove (111) Including to the curved escape groove section of the service ports (13), it is described that the connection structure (3) is located at deviating from for the escape groove section The side of service ports (13).
6. the upper cover plate (1) of Battery case (100) according to claim 5, which is characterized in that the seal groove (111) Including multiple straight-line groove sections for being staggered and being sequentially connected and the escape groove section, the connection structure (3) is at least partly It is arranged along the extending direction of the straight-line groove section and the straight-line groove section face.
7. the upper cover plate (1) of Battery case (100) according to claim 4, which is characterized in that the seal groove (111) With arc-shaped cross-section.
8. the upper cover plate (1) of Battery case described in any one of -7 (100) according to claim 1, which is characterized in that the company Binding structure (3) includes the nut (32) being connected with the upper cover plate ontology (12) and the screw being threadedly coupled with the nut (32) (31)。
9. a kind of Battery case (100), which is characterized in that have such as Battery case of any of claims 1-8 (100) upper cover plate (1).
10. a kind of battery pack, which is characterized in that including battery modules and Battery case as claimed in claim 9 (100), institute Battery modules are stated to be installed in the Battery case (100).
CN201920338168.1U 2019-03-15 2019-03-15 Upper cover plate of battery box body, battery box body and battery pack Active CN209544453U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920338168.1U CN209544453U (en) 2019-03-15 2019-03-15 Upper cover plate of battery box body, battery box body and battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920338168.1U CN209544453U (en) 2019-03-15 2019-03-15 Upper cover plate of battery box body, battery box body and battery pack

Publications (1)

Publication Number Publication Date
CN209544453U true CN209544453U (en) 2019-10-25

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CN201920338168.1U Active CN209544453U (en) 2019-03-15 2019-03-15 Upper cover plate of battery box body, battery box body and battery pack

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024037231A1 (en) * 2022-08-19 2024-02-22 蔚来电池科技(安徽)有限公司 Battery case, battery pack and electric vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024037231A1 (en) * 2022-08-19 2024-02-22 蔚来电池科技(安徽)有限公司 Battery case, battery pack and electric vehicle

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