CN207719294U - Battery case and battery system - Google Patents
Battery case and battery system Download PDFInfo
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- CN207719294U CN207719294U CN201820105355.0U CN201820105355U CN207719294U CN 207719294 U CN207719294 U CN 207719294U CN 201820105355 U CN201820105355 U CN 201820105355U CN 207719294 U CN207719294 U CN 207719294U
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- case
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- battery case
- case ontology
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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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Abstract
A kind of battery case of the utility model offer and battery system, are related to battery modules technical field.The battery case includes case ontology, case lid and heat exchanger assembly.Wherein, case ontology includes the plank of at least two-layer laminate.Heat exchanger assembly is arranged in case ontology, for carrying out heat exchange.In addition, case ontology is provided with the card slot for fixing heat exchanger assembly.In the present solution, case ontology is made of the plank of two or more layers, the structural strength of battery case is helped to improve；The card slot for fixing heat exchanger assembly is set in case ontology, the fixed effect to heat exchanger assembly is helped to improve, to further increase the stability of battery box structure.
Description
Technical field
The utility model is related to battery modules technical fields, in particular to a kind of battery case and battery system.
Background technology
In recent years, due to energy cost and environmental pollution the problem of, is more and more prominent, and pure electric automobile and mixing are dynamic
The advantages of power automobile can substantially eliminate even zero-emission vehicle tail gas with it, is paid attention to by government and each Automobile Enterprises.
However pure electric vehicle and hybrid vehicle still have many technical problems to need to break through, such as the structural stability of battery case is low just
It is one of major issue.
Electrokinetic cell system is the core component of pure electric automobile, is directly related to its motor performance, cruising ability,
Safe and reliable operation etc..Battery case is the important component of dynamical system, is directly related to the structural behaviour of electrokinetic cell system, peace
Full reliability.Battery case is mainly formed by modes such as metal plate, aluminium section bar weldings, and structural strength is relatively low.Therefore, how to provide
A kind of scheme to solve the above problems, it has also become the technical issues of those skilled in the art's urgent need to resolve.
Utility model content
In order to overcome above-mentioned deficiency in the prior art, the utility model to provide a kind of battery case and battery being easily achieved
System, the battery case is simple in structure, intensity is high, can solve the above problems.
To achieve the goals above, the technical solution that the utility model preferred embodiment is provided is as follows：
The utility model preferred embodiment provides a kind of battery case, including integrally formed case ontology, lid are located at the case
Case lid on ontology and the heat exchanger assembly being accommodated in the case ontology, the case ontology includes the plate of at least two-layer laminate
Material, the case ontology are provided with the card slot for fixing the heat exchanger assembly.
Optionally, above-mentioned battery case further includes the first seal to match with the case ontology and the case lid, described
First seal is arranged at the lid conjunction of the case ontology and the case lid.
Optionally, above-mentioned battery case further includes the fixing piece for fixing the case ontology and the case lid.
Optionally, above-mentioned fixing piece includes the lock on one be arranged in the case ontology, the case lid, and setting
It is matched with the fastener with the fastener for latching and matching, the lock on another in case ontology, the case lid
Form hasp lock.
Optionally, above-mentioned case ontology is separately provided for being connected with each other in one's ear with the case lid, and the fixing piece is solid
It is fixed to be arranged described in the case ontology and the case lid in one's ear, the fixing piece include in screw, bolt, stud at least
It is a kind of.
Optionally, above-mentioned card slot is provided with multiple mat pieces for carrying the heat exchanger assembly, and the mat piece includes pad
At least one of piece, filler strip, backing plate.
Optionally, above-mentioned heat exchanger assembly includes at least one heat radiating flat tube and is connected to at least one heat radiating flat tube
Connecting tube, each heat radiating flat tube formed with the connecting tube for the logical channel of cooling liquid stream.
Optionally, it is provided in the pipeline of above-mentioned heat radiating flat tube at least one for pipeline to be divided into multiple sub-pipes
Parting bead.
Optionally, it is provided with reinforcing rib in above-mentioned case lid and/or the battery case is provided with explosion-proof valve.
A kind of battery system of the utility model, including it is multiple series connection and/or parallel connection single battery, electric power controller and
Above-mentioned battery case, the electric power controller and multiple single batteries are placed in the battery case, wherein：
The electric power controller includes processor, the parameter for acquiring single battery being connected to the processor
Sensory package and the alarm unit being connected to the processor, the processor export the ginseng acquired based on the sensory package
To the alarm unit, the alarm unit is sent out the alarm signal that number generates when being more than predetermined threshold value based on the alarm signal
Alarm sounds.
In terms of existing technologies, battery case and battery system provided by the utility model at least have below beneficial to effect
Fruit：The battery case includes case ontology, case lid and heat exchanger assembly.Wherein, case ontology includes the plank of at least two-layer laminate.Heat is handed over
It changes component to be arranged in case ontology, for carrying out heat exchange.In addition, case ontology is provided with the card for fixing heat exchanger assembly
Slot.In the present solution, case ontology is made of the plank of two or more layers, the structural strength of battery case is helped to improve；In case ontology
The card slot for fixing heat exchanger assembly is set, the fixed effect to heat exchanger assembly is helped to improve, to further increase battery case
The stability of structure.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, the utility model cited below particularly compared with
Good embodiment, and coordinate appended attached drawing, it is described in detail below.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the battery case that the utility model preferred embodiment provides.
Fig. 2 is the exploded perspective view for the battery case that the utility model preferred embodiment provides.
Fig. 3 is the close-up schematic view at the positions I in Fig. 2.
Fig. 4 is the structural representation for the battery system that the utility model preferred embodiment provides.
Icon：10- battery systems；100- battery cases；110- case ontologies；111- card slots；112- mat pieces；113- explosion-proof valves；
114- lifting lugs；115- first is in one's ear；116- second is in one's ear；120- case lids；130- heat exchanger assemblies；131- heat radiating flat tubes；132-
Connecting tube；1321- inlet tubes；1322- outlet tubes；200- electric power controllers；300- single batteries.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be matched with a variety of different
It sets to arrange and design.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Reality based on the utility model
Example is applied, the every other embodiment that those skilled in the art are obtained without making creative work belongs to
The range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that term " in ", "upper", "lower", "horizontal", "inner", "outside"
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings or the utility model product uses
When the orientation or positional relationship usually put, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or
It implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as
Limitations of the present invention.In addition, term " first ", " second " etc. be only used for distinguish description, and should not be understood as instruction or
Imply relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" refers to only that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection.It can be mechanical connection, can also be to be electrically connected.It can be directly connected, the indirect phase of intermediary can also be passed through
Even, can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the utility model.In the absence of conflict, under
Feature in the embodiment and embodiment stated can be combined with each other.
Incorporated by reference to referring to Figures 1 and 2, wherein Fig. 1 is the knot for the battery case 100 that the utility model preferred embodiment provides
Structure schematic diagram, Fig. 2 are the exploded perspective view for the battery case 100 that the utility model preferred embodiment provides.The utility model is implemented
The battery case 100 that example provides may include case ontology 110, case lid 120 and heat exchanger assembly 130.Wherein, heat exchanger assembly 130
It is placed in case ontology 110.Case lid 120 matches with case ontology 110, can cover and be located on case ontology 110, to realize battery case
100 sealing.Case ontology 110 can be used for the accommodating battery modules being made of multiple single batteries 300 (can refer to Fig. 4), heat
Heat management can be carried out by heat exchange to battery modules by exchanging component 130.
In the present embodiment, case ontology 110 includes the plank of at least two-layer laminate.The material for constituting case ontology 110 can be with
For metals such as the higher iron of intensity, steel, aluminium, aluminium alloys, or the higher toughened plastic of intensity.For example, case ontology 110 can
It is integrally formed by die casting by multilayer aluminium sheet.Understandably, under same thickness, compared by the case ontology 110 that multi-layered board is constituted
Single plate material constitute intensity higher, more difficult rupture, that is, based on the case ontology 110 composition battery case 100 it is strong
Spend higher, it is not easy to which damaged, air-tightness is also just more preferable, to help to promote safety and the reliability of battery case 100.Separately
Outside, the battery case 100 of high-air-tightness can avoid the battery modules in battery case 100 by external environmental interference, for example, can avoid outer
Boundary's air is swapped with the air in case, when being conducive to radiating subassembly progress heat exchange.For example, when ambient temperature is relatively low,
It needs to heat the battery modules in battery case 100, and the high battery case 100 of air-tightness can reduce dissipating for heat in case
It loses.
Incorporated by reference to reference to Fig. 2 and Fig. 3, wherein Fig. 3 is the close-up schematic view at the positions I in Fig. 2.In the present embodiment,
Case ontology 110 is provided with the card slot 111 for fixing heat exchanger assembly 130.The card slot 111 matches with heat exchanger assembly 130,
To improve the fixed effect to heat exchanger assembly 130, avoid battery case 100 in moving process, phase occurs for opposite case ontology 110
To movement.Understandably, if heat exchanger assembly 130 is moved relative to case ontology 110, it be easy to cause the damage of heat exchanger assembly 130
It is bad.For example, the coolant liquid leakage in heat exchanger assembly 130, the battery modules short circuit being easy to cause in case ontology 110.And it is our
Case fixes the card slot 111 of heat exchanger assembly 130 by being arranged on case ontology 110 so that heat exchanger assembly 130 is not easy to be damaged
It is bad, to solve the problems, such as this.
Optionally, multiple mat pieces 112 for carrying heat exchanger assembly 130, the mat piece 112 packet are provided in card slot 111
It includes one or more in gasket, filler strip, backing plate.Mat piece 112 is used to support and protects heat exchanger assembly 130.Preferably, the pad
Part 112 is that flexible Heat Conduction Material (for example, by heat conductive silica gel, heat conductive rubber etc.) is constituted.
Optionally, battery case 100 further includes fixing piece, which is used for fixed case ontology 110 and case lid 120, wherein
The number of fixing piece can be configured according to actual conditions, can be one, or and it is multiple, it is not especially limited here.
For example, fixing piece may include the lock on one be arranged in case ontology 110, the case lid 120, and setting
Lockset on another in case ontology 110, case lid 120, wherein lock matches with lockset to be formed for locking case sheet
The hasp lock of body 110 and case lid 120.It is latched for example, being arranged in case ontology 110, the position corresponding with lock on case lid 120
Lockset is set.When being locked to case ontology 110, case lid 120, operator can make lockset be buckled in lock by stirring lockset
On.When case ontology 110, case lid 120 are locked, case lid 120 is just not easy to be loosened by external force with case ontology 110, helps to carry
The air-tightness of high battery case 100.
In another example fixing piece may include at least one of screw, bolt, stud.Case ontology 110 can with case lid 120
It is respectively arranged to be connected with each other in one's ear.If, will be on case lid 120 by being used as first in one's ear 115 in one's ear on case ontology 110
It is used as second in one's ear 116 in one's ear, first 115 and second can be arranged the through-hole to match with fixing piece on 116 in one's ear in one's ear.It can manage
Xie Di, case lid 120 can be fixed with case ontology 110 by the way that the fixing pieces such as screw, bolt are arranged in one's ear.
Optionally, battery case 100 can also include the sealing element to match with case ontology 110 and case lid 120.The sealing element
It is arranged at the lid conjunction of case ontology 110 and case lid 120.Understandably, which is to match with the opening of case ontology 110
Sealing ring.The sealing element can be made of flexiplast or rubber, for improving the airtight of case ontology 110 and 120 junction of case lid
Property.
Optionally, the lifting lug 114 being easy to lift can also be arranged in the outside of case ontology 110.Understandably, lifting lug is set
114 can be convenient for carrying out mobile resettlement to battery case 100.Wherein, the number and size of the lifting lug 114 can be carried out according to actual conditions
Setting can be respectively provided with a lifting lug 114 for example, if case ontology 110 is square in four lateral surfaces of case ontology 110.
Optionally, heat exchanger assembly 130 include at least one heat radiating flat tube 131 and at least one heat radiating flat tube
The connecting tube 132 of 131 connections.Each heat radiating flat tube 131 is formed with the connecting tube 132 for the logical channel of cooling liquid stream.
Understandably, it when leading to the higher coolant liquid of temperature in heat radiating flat tube 131, can be used for the battery modules in battery case 100
It is heated；When leading to the lower coolant liquid of temperature in heat radiating flat tube 131, can radiate to battery modules.
Understandably, connecting tube 132 includes inlet tube 1321 and outlet tube 1322, and inlet tube 1321 is used for heat radiating flat tube
131 introduce coolant liquid, and outlet tube 1322 is used to draw the coolant liquid in heat radiating flat tube 131, to form returning for coolant flow
Road.
Optionally, can be arranged in the pipeline of heat radiating flat tube 131 at least one for pipeline to be divided into multiple sub-pipes
Parting bead, parting bead contribute to coolant liquid Uniform Flow, so that each Region homogenization on each heat radiating flat tube 131 carries out heat exchange.
In the present embodiment, heat radiating flat tube 131 matches with card slot 111, and the card slot 111 is for fixing heat radiating flat tube
131.For example, heat radiating flat tube 131 is long strip-board shape flat tube, card slot 111 can be with the slot to match with the long strip-board shape flat tube.
In order to further increase the fixing effect to heat radiating flat tube 131, can also be arranged in one or more on each heat radiating flat tube 131
Recessed position, and the position of evagination is set in the corresponding site of card slot 111, indent position is with male part non-colinear position with further
Fix heat radiating flat tube 131.
Optionally, it is provided with reinforcing rib in case lid 120.The reinforcing rib can be one or more, for being risen to case lid 120
To reinforcement effect.Specifically, reinforcing rib can be made of with case lid 120 aluminum alloy materials, wherein reinforcing rib can be strip
Structure can be integrally formed with case lid 120, can also be to be arranged by welding on case lid 120, not make here specific
It limits.
Optionally, explosion-proof valve 113 (can refer to Fig. 4) is also provided on battery case 100, explosion-proof valve 113 can be arranged
It on case ontology 110, can also be arranged on case lid 120, or explosion-proof valve 113 is respectively provided on case ontology 110 and case lid 120.
Understandably, explosion-proof valve 113 is used to just open when detecting that the air pressure in battery case 100 is more than certain threshold range, to release
The high pressure gas in battery case 100 is put, battery case 100 is avoided to explode.For example the explosion-proof valve 113 can be only by physical arrangement group
At, can also be by pressure sensor and solenoid valve block at explosion-proof valve 113.For example, pressure sensor is arranged in battery case 100
It is interior, when checking the air pressure in battery case 100 more than certain threshold range, just so that solenoid valve is opened, to discharge battery case
High pressure gas in 100, the threshold range can be configured according to actual conditions, be not especially limited here.In addition, explosion-proof valve
113 quantity can be configured according to actual conditions, be not especially limited here.
Fig. 4 is please referred to, for the structural representation for the battery system 10 that the utility model preferred embodiment provides.The utility model
Preferred embodiment also provides a kind of battery system 10, the battery system 10 include single battery 300, electric power controller 200 and
Battery case 100 in above-described embodiment.Multiple single batteries 300 are accommodated in electricity by connecting and/or composing in parallel battery modules
In pond case 100, electric power controller 200 may be provided in battery case 100, for being detected management to each single battery 300.
Specifically, electric power controller 200 may include processor, connect with processor for acquiring single battery
The sensory package of 300 parameter and the alarm unit being connect with processor.Processor exports the parameter acquired based on sensory package
The alarm signal generated when more than predetermined threshold value to alarm unit, alarm unit sends out alarm sounds based on alarm signal.Wherein,
Parameter may include the output current of single battery 300, output voltage, remaining capacity, temperature, the air pressure etc. in battery case 100
Data, predetermined threshold value can be configured according to the type of parameter, be not especially limited here.
Wherein processor can be central processing unit, FPGA, STM32 series monolithic.Sensory package may include electric current
Mutual inductor, voltage transformer, temperature sensor, atmospheric pressure sensor etc., for detecting above-mentioned supplemental characteristic.Alarm unit
It may include loudspeaker and/or warning light, prompt and/or light prompt can be made a sound.For example, temperature sensor detects temperature
When degree is more than preset temperature threshold, prompt and/or light prompt can be made a sound by alarm unit.
Optionally, electric power controller 200 can also include power switching unit (BDU) and service switch (MSD).BDU
(battery system is can be regarded as cutting off, being closed major loop (circuit that can be regarded as the electric discharge of battery system 10) and preliminary filling circuit
10 charging circuits), with major loop and preliminary filling circuit are switched over and break-make control；And the wink in acquisition charge and discharge process
When electric current, it is (on the contrary to be just for example, transient current just be normal in default range to judge whether charging and discharging state normal
Abnormal, preset range can be configured according to actual conditions).Battery system 10 can connect high pressure by BDU output ends
Interface carries out charge and discharge to battery modules.MSD is used for battery system 10 before maintenance, cutoff high circuit, it is ensured that operation
Safety.
It is worth noting that case lid 120 can also be by multi-layered board by die cast, to improve the structure of case lid 120
Intensity, so as to further promote the safety of battery system 10.Preferably, case lid 120 can be by aluminium or aluminium with case ontology 110
Alloy die cast is molded.Understandably, the material of aluminum or aluminum alloy is lighter, contributes to the weight for reducing entire battery case 100.When adopting
When placing battery modules with the battery case 100, the weight of battery system 10 reduces, and the energy that can improve battery system 10 is close
Degree.If the battery system 10 is applied in electric vehicle, the cruising ability of battery system 10 is just helped to improve.Wherein, energy
Density can be regarded as the ratio of the total electricity and 10 weight of battery system of battery system 10.
In conclusion a kind of battery case of the utility model offer and battery system.The battery case include case ontology, case lid and
Heat exchanger assembly.Wherein, case ontology includes the plank of at least two-layer laminate.Heat exchanger assembly be arranged in case ontology, for into
Row heat exchange.In addition, case ontology is provided with the card slot for fixing heat exchanger assembly.In the present solution, case ontology is by two layers or more
The plank of layer is constituted, and helps to improve the structural strength of battery case；The card slot for fixing heat exchanger assembly is set in case ontology, is helped
In improving the fixed effect to heat exchanger assembly, to further increase the stability of battery box structure.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of battery case, which is characterized in that be located at case lid and appearance on the case ontology including integrally formed case ontology, lid
The heat exchanger assembly for heat exchange in the case ontology is set, the case ontology includes the plank of at least two-layer laminate, institute
It states case ontology and is provided with card slot for fixing the heat exchanger assembly.
2. battery case according to claim 1, which is characterized in that the battery case further includes and the case ontology and described
The sealing element that case lid matches, the sealing element are arranged at the lid conjunction of the case ontology and the case lid.
3. battery case according to claim 1, which is characterized in that the battery case further includes for fixing the case ontology
With the fixing piece of the case lid.
4. battery case according to claim 3, which is characterized in that the fixing piece includes being arranged in the case ontology, institute
State the lock on one in case lid, and be arranged in the case ontology, the case lid another on the lock phase
The fastener matched, the lock match to form hasp lock with the fastener.
5. battery case according to claim 3, which is characterized in that the case ontology is separately provided for the case lid
Be connected with each other in one's ear, the fixing piece be fixed at the case ontology and the case lid it is described in one's ear on, the fixation
Part includes at least one of screw, bolt, stud.
6. battery case according to claim 1, which is characterized in that the card slot is provided with multiple for carrying the heat friendship
The mat piece of component is changed, the mat piece includes at least one of gasket, filler strip, backing plate.
7. battery case according to claim 1, which is characterized in that the heat exchanger assembly includes at least one heat radiating flat tube
And the connecting tube being connected to at least one heat radiating flat tube, each heat radiating flat tube are formed with the connecting tube for coolant liquid
The channel of circulation.
8. battery case according to claim 7, which is characterized in that be provided in the pipeline of the heat radiating flat tube at least one
Parting bead for the pipeline to be divided into multiple sub-pipes.
9. according to the battery case described in any one of claim 1-8, which is characterized in that be provided with reinforcement in the case lid
Muscle and/or the battery case are provided with explosion-proof valve.
10. a kind of battery system, which is characterized in that including it is multiple series connection and/or parallel connection single battery, electric power controller and
Battery case as described in any one of claim 1-9, the electric power controller and multiple single batteries are placed in
In the battery case, wherein：
The electric power controller include processor, be connected to the processor for acquire single battery parameter sensing
Component and the alarm unit being connected to the processor, the parameter that the processor output is acquired based on the sensory package are super
The alarm signal generated when predetermined threshold value is crossed to the alarm unit, the alarm unit sends out alarm based on the alarm signal
Prompt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820105355.0U CN207719294U (en) | 2018-01-22 | 2018-01-22 | Battery case and battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820105355.0U CN207719294U (en) | 2018-01-22 | 2018-01-22 | Battery case and battery system |
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| Publication Number | Publication Date |
|---|---|
| CN207719294U true CN207719294U (en) | 2018-08-10 |
Family
ID=63052466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201820105355.0U Active CN207719294U (en) | 2018-01-22 | 2018-01-22 | Battery case and battery system |
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| Country | Link |
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| CN (1) | CN207719294U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258165A (en) * | 2018-01-22 | 2018-07-06 | 华霆（合肥）动力技术有限公司 | Battery case, battery case manufacturing method and battery system |
| WO2023160030A1 (en) * | 2022-02-28 | 2023-08-31 | 宁德时代新能源科技股份有限公司 | Box body, battery, electric device, and device for preparing battery |
-
2018
- 2018-01-22 CN CN201820105355.0U patent/CN207719294U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258165A (en) * | 2018-01-22 | 2018-07-06 | 华霆（合肥）动力技术有限公司 | Battery case, battery case manufacturing method and battery system |
| CN108258165B (en) * | 2018-01-22 | 2024-05-07 | 华霆（合肥）动力技术有限公司 | Battery box, battery box manufacturing method and battery system |
| WO2023160030A1 (en) * | 2022-02-28 | 2023-08-31 | 宁德时代新能源科技股份有限公司 | Box body, battery, electric device, and device for preparing battery |
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