CN206711949U - Battery case and electric supply installation - Google Patents
Battery case and electric supply installation Download PDFInfo
- Publication number
- CN206711949U CN206711949U CN201720547161.1U CN201720547161U CN206711949U CN 206711949 U CN206711949 U CN 206711949U CN 201720547161 U CN201720547161 U CN 201720547161U CN 206711949 U CN206711949 U CN 206711949U
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- China
- Prior art keywords
- battery case
- housing
- airtight chamber
- accommodating cavity
- inflator
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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
Abstract
The utility model provides a kind of battery case and electric supply installation.The battery case includes housing, temperature sensing component, inflator and deformation bar；Airtight chamber and the accommodating cavity for set battery module are provided with housing；Temperature sensing component is arranged in the side wall outside housing, is monitored with the environment temperature outside to housing；Inflator is arranged in accommodating cavity body, and connected with airtight chamber, to carry out air extraction or air injection to airtight chamber；Deformation bar is arranged in accommodating cavity body in side wall corresponding with temperature sensing component, and is connected with inflator, accordingly to extend or shrink according to the environment temperature outside housing, drives inflator to carry out air extraction or air injection to airtight chamber.The heat exchange that the battery case can be carried out or completely cut off inside and outside battery case according to the variation of ambient temperature in the external world within the extremely short time, it is ensured that battery modules normal operation, improve electric energy output stationarity, reliability and the service life of battery modules.
Description
Technical field
Battery thermal management technical field is the utility model is related to, in particular to a kind of battery case and electric supply installation.
Background technology
With the fast development of electronic technology, the use of pure electric or hybrid automobile is increasingly popularized, it is pure electronic or
Requirement of the hybrid vehicle to battery system also constantly improves, and pure electric or hybrid automobile needs battery system can
Suitable and stable electric energy is provided for pure electric or hybrid automobile, pure electric or hybrid automobile is normally transported
OK, corresponding performance has been given play to.But for battery system, even there is many technical problems to need to solve, wherein, electricity
The problem of service life and capacity fade problem of battery modules in cell system are one important.
The service life and capacity attenuation of battery modules and the temperature difference and temperature of battery cell in battery modules raise
Amplitude close relation.Generally, battery cell can produce substantial amounts of heat during discharge and recharge is carried out, if the heat is not
It can in time be discharged, the temperature made in battery cell is constantly risen, the temperature difference for causing it internal gradually increases.It is and electric
Change of the pond monomer to temperature is very sensitive, and the change of the environment temperature of battery cell work will make battery cell be in larger temperature
In the working environment of difference, the service life of battery cell is influenceed.Particularly sweltering heat summer, surface temperature is very high, pure electricity
The operating temperature of battery cell in dynamic or hybrid vehicle close to ground will be far longer than the battery cell away from ground
Operating temperature so that the difference variation in battery system at diverse location is exceedingly fast, and then has a strong impact on the service life of battery
And battery capacity, while larger interference can be also caused to the discharge performance of battery, it is difficult to meet necessary charge-discharge power demand.
For now, the processing scheme on the market to the battery modules in the above situation is by being carried out to battery modules
Natural cooling or mandatory air-cooled mode improve the service life of battery modules.But time-consuming, effect for this processing mode
Difference, electric energy output stationarity is not high, security reliability is poor, can not effectively improve the service life and capacity attenuation of battery modules
Problem.
Utility model content
In order to overcome above-mentioned deficiency of the prior art, the purpose of this utility model is to provide a kind of battery case and confession
Electric installation.The battery case and electric supply installation can within the extremely short time according to the external world variation of ambient temperature carry out or every
Heat exchange inside and outside exhausted battery case, it is ensured that the battery modules energy normal operation in battery case, improve electric in the prior art
The electric energy output stationarity of pond module is not high, security reliability is poor, service life and capacity fade problem.
For battery case, the utility model preferred embodiment provides a kind of battery case.The battery case bag
Housing is included, airtight chamber and the accommodating cavity for set battery module are provided with the housing；
The battery case also includes temperature sensing component, inflator and deformation bar；
The temperature sensing component is arranged in the side wall outside the housing, to be carried out to the environment temperature outside the housing
Monitoring；
The inflator is arranged in the accommodating cavity body, and connected with the airtight chamber, to enter to the airtight chamber
Row air extracts or air injection；
The deformation bar is arranged in accommodating cavity body in side wall corresponding with the temperature sensing component, and with the inflator
Connection, with according to the temperature sensing assemblies monitor to housing outside environment temperature accordingly extend or shrink, described in drive
Inflator carries out air extraction to the airtight chamber or air injects.
In the utility model preferred embodiment, above-mentioned airtight chamber is arranged on the accommodating cavity bottom, the temperature
Degree perception component includes heat pipe, and the heat pipe includes Part I and Part II, the Part I and the Part II
Connect to form the heat pipe, wherein, the Part I contacts with the outer side wall close to the airtight chamber of the housing, institute
State the outer side wall close to the accommodating cavity of Part II and the housing to contact, the heat pipe is by the Part II by institute
State the outer environment temperature close to the airtight chamber of housing that Part I monitors and be conducted to the deformation bar.
In the utility model preferred embodiment, above-mentioned deformation bar is arranged on the accommodating cavity inner wall and the heat
Opening position corresponding to the Part II of pipe, the first end of the deformation bar are fixed on the accommodating cavity inner wall, the deformation
Second end of bar can correspondingly extend or shrink according to the variation of ambient temperature outside the housing received.
In the utility model preferred embodiment, above-mentioned deformation bar is connected by a lever with the inflator, wherein, institute
Stating inflator includes cylinder, piston and sliding bar, and the cylinder is connected by air stream siphunculus with the airtight chamber, the piston
Be arranged in the cylinder, one end of the sliding bar is connected with the piston rotation, the other end of the sliding bar with it is described
One end of lever is rotatablely connected, and the bearing of trend chute parallel with the lever is offered on the other end of the lever, described
Second end of deformation bar can be relative to the lever rotation and slip, with the shape by the rotating shaft being contained in the chute
Become bar the second end elongation or shrink when, by inflator described in the lever drives to the airtight chamber carry out air extraction or
Air injects.
In the utility model preferred embodiment, above-mentioned deformation bar is formed using material manufacture of expanding with heat and contract with cold.
In the utility model preferred embodiment, above-mentioned housing include be provided with containing groove the first cell body and with institute
The cover plate of the first cell body matching is stated, the cover plate is covered on first cell body, to form the accommodating cavity.
In the utility model preferred embodiment, above-mentioned housing also includes the second cell body for being provided with vent grooves, institute
State the second cell body to be mutually matched with first cell body, the side wall of first cell body away from the containing groove is led to towards described
Gas groove, first cell body are fixed by way of welding with second cell body, to form the airtight chamber.
In the utility model preferred embodiment, multiple dividing plates, the airtight chamber are provided with above-mentioned airtight chamber
Isolate to form roundabout air communication channel by multiple dividing plates.
In the utility model preferred embodiment, above-mentioned multiple dividing plates are arranged in the vent grooves, and with
Second cell body is integrally formed.
For electric supply installation, the utility model preferred embodiment provides a kind of electric supply installation.The electric supply installation bag
Multiple battery modules and above-mentioned battery case are included, multiple battery modules are arranged on the accommodating cavity of the battery case
It is interior, to form the electric supply installation.
In terms of existing technologies, the battery case and electric supply installation that the utility model preferred embodiment provides have
Following beneficial effect：The battery case and electric supply installation can enter within the extremely short time according to the variation of ambient temperature in the external world
Heat exchange inside and outside row or isolation battery case, it is ensured that the battery modules energy normal operation in battery case, improve existing skill
The electric energy output stationarity of battery modules is not high in art, security reliability is poor, service life and capacity fade problem.Specifically,
The battery case is housed by the accommodating cavity in housing to battery modules；The battery case is by being arranged on housing
Temperature sensing component in outer side wall to housing outside environment temperature be monitored；The battery case passes through close with housing
The inflator being arranged in the accommodating cavity body of chamber is closed, air extraction is carried out to the airtight chamber or air injects；
The battery case is by being arranged on shape that is in accommodating cavity body in side wall corresponding with temperature sensing component and being connected with inflator
Become bar, according to temperature sensing assemblies monitor to housing outside environment temperature accordingly extend or shrink, to drive the inflator
Air extraction or air injection are carried out to the airtight chamber, so as to carry out or completely cut off inside and outside battery case within the extremely short time
Heat exchange, the temperature in accommodating cavity body is ensured the battery modules normal operation in battery case, improve prior art
The electric energy output stationarities of middle battery modules is not high, security reliability is poor, service life and capacity fade problem.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, the utility model cited below particularly compared with
Good embodiment, and accompanying drawing appended by cooperation, are described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to claims as, for those of ordinary skill in the art, do not pay creative work
On the premise of, other related accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of assembling schematic diagram for the battery case that the utility model preferred embodiment provides.
Fig. 2 is a kind of structural representation of the battery case shown in Fig. 1 that the utility model preferred embodiment provides.
Fig. 3 is another structural representation of the battery case shown in Fig. 1 that the utility model preferred embodiment provides.
Fig. 4 is partial enlarged drawing of the lever shown in Fig. 3 in I portions.
Fig. 5 is a kind of structural representation of the second cell body shown in Fig. 1 that the utility model preferred embodiment provides.
Icon：100- battery cases；110- housings；111- cover plates；The cell bodies of 112- first；The cell bodies of 113- second；120- temperature
Spend perception component；121- Part I；122- Part II；130- inflators；131- cylinders；132- pistons；133- sliding bars；
134- air stream siphunculus；140- deformation bars；141- first ends；The ends of 142- second；150- levers；151- chutes；114- dividing plates.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model 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 selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship, or
The utility model product using when the orientation usually put or position relationship, be for only for ease of description the utility model and letter
Change description, rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through
It is indirectly connected, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Below in conjunction with the accompanying drawings, some embodiments of the present utility model are elaborated.In the case where not conflicting, under
Feature in the embodiment and embodiment stated can be mutually combined.
Incorporated by reference to referring to Figures 1 and 2, Fig. 1 is the one kind for the battery case 100 that the utility model preferred embodiment provides
Assembling schematic diagram, Fig. 2 are that a kind of structure of the battery case 100 shown in Fig. 1 that the utility model preferred embodiment provides is shown
It is intended to.In the utility model embodiment, the battery case 100 is used to store battery modules, and when extremely short
The heat exchange that the interior environment temperature according to outside battery case 100 is carried out or completely cut off inside and outside battery case 100, it is ensured that outside battery
Battery modules energy normal operation in shell 100, improve in the prior art battery modules electric energy output stationarity it is not high, safety can
By property is poor, service life and capacity fade problem.Specifically, in the present embodiment, the battery case 100 include housing 110,
Temperature sensing component 120, inflator 130 and deformation bar 140.Airtight chamber and accommodating cavity are provided with the housing 110, its
In, the accommodating cavity is used for set battery module, and the housing 110 realizes the appearance to battery modules by the accommodating cavity
Put.The temperature sensing component 120 be used for the environment temperature outside the housing 110 is monitored, the inflator 130 with it is described
Airtight chamber's connection is used for according to carrying out air extraction or air injection, the deformation bar 140 to the airtight chamber
The environment temperature outside housing 110 that temperature sensing component 120 monitors accordingly extends or shunk, and drives the inflator 130 right
The airtight chamber carries out the heat exchange of air extraction or air injection to carry out or completely cut off inside and outside battery case 100, it is ensured that
Battery modules normal operation in housing 110, so as to improve improve in the prior art battery modules electric energy output stationarity not
It is high, security reliability is poor, service life and capacity fade problem.In the present embodiment, the inflator 130 and the deformation bar
140 are arranged in the accommodating cavity body, and the temperature sensing component 120 is arranged on outside the housing 110, the deformation bar 140
The ambient temperature information that the temperature sensing component 120 monitors is received by way of heat transfer, to ensure outside the battery
The sealing grade of shell 100 can be not less than IP67 grades.
In the present embodiment, the airtight chamber is arranged on the accommodating cavity bottom, and the temperature sensing component 120 is set
Put in the side wall outside the housing 110, so as to realize the monitoring to the environment temperature outside housing 110.In the present embodiment, institute
Stating temperature sensing component 120 includes being used for be monitored the outer environment temperature close to the airtight chamber of housing 110 first
Part 121, and the outer environment temperature close to the airtight chamber of the housing 110 for the Part I 121 to be monitored pass
Lead the Part II 122 to the deformation bar 140.Specifically, the Part I 121 be connected with the Part II 122 with
Form the temperature sensing component 120, the Part I 121 and the outer side wall close to the airtight chamber of the housing 110
Contact, to realize the monitoring to the outer environment temperature close to the airtight chamber of housing 110；The Part II 122 with it is described
The outer side wall close to the accommodating cavity of housing 110 contacts, to be supervised the Part I 121 by the Part II 122
The outer environment temperature close to the airtight chamber of housing 110 measured is conducted to the deformation bar being arranged in the accommodating cavity body
140, so that the deformation bar 140 correspondingly extends or shunk after getting the environment temperature outside housing 110, it is described so as to drive
Air extraction is carried out to the airtight chamber for inflator 130 or air injects, the heat realized or completely cut off inside and outside the battery case 100
Amount exchanges, it is ensured that the battery modules energy normal operation in the battery case 100.
In the present embodiment, the temperature sensing component 120 is the device with hot superconduction ability, the temperature sensing group
Part 120 may be, but not limited to, heat pipe, insulating heat-conductive silicagel pad etc..In an embodiment of the present embodiment, the temperature
It is preferably heat pipe to spend perception component 120.
In the present embodiment, the deformation bar 140 is arranged on right with the temperature sensing component 120 in the accommodating cavity body
In the side wall answered.Specifically, the deformation bar 140 is arranged on the with the temperature sensing component 120 in the accommodating cavity body
Corresponding to two parts 122 in side wall, position of the deformation bar 140 in the side wall in the accommodating cavity body with described second
Divide 122 position outside the housing 110 mutually corresponding, the Part II 122 is received in a manner of by heat transfer and is transmitted
The housing 110 that monitors of Part I 121 outside environment temperature.
In the present embodiment, the deformation bar 140 includes the end 142 of first end 141 and second, the first end 141 and institute
State the both ends that the second end 142 is respectively the deformation bar 140.The first end 141 of the deformation bar 140 is fixed on the accommodating cavity
In internal side wall, the second end 142 of the deformation bar 140 can become according to the environment temperature outside the housing 110 received
Change and correspondingly extend or shrink.
In the present embodiment, the deformation bar 140 can be horizontally disposed in the accommodating cavity body or perpendicular
Directly it is arranged in the accommodating cavity body, can also be and be vertically disposed at the accommodating cavity relative to the accommodating cavity bottom
In vivo, the specific set-up mode of the deformation bar 140 can carry out different settings according to demand.The first of the deformation bar 140
End 141 can be that the deformation bar 140 is remote described close to one end of accommodating cavity bottom or the deformation bar 140
One end of accommodating cavity bottom, the setting definition at the end 142 of first end 141 and second of the deformation bar 140 can be according to demand
Carry out different settings.
In the present embodiment, the deformation bar 140 can use the material manufacture expanded with heat and contract with cold to form, and can also use heat
The material manufacture of contracting cold expanding forms.In an embodiment of the present embodiment, the deformation bar 140 is cold preferably by heat expansion
The material manufacture of contracting forms.
Fig. 2 is refer to, in the present embodiment, the first end 141 of the deformation bar 140 is the deformation bar 140 close to institute
One end of airtight chamber is stated, second end 142 is the other end of the deformation bar 140, and the first end 141 is fixed on described
On the inwall of accommodating cavity, the deformation bar 140 can be directly connected to the inflator 130, to realize or completely cut off battery case 100
Inside and outside heat exchange.In the present embodiment, the inflator 130 includes cylinder 131, piston 132 and sliding bar 133.The cylinder
Body 131 is hollow columnar structures, and the cylinder 131 is connected by air stream siphunculus 134 with the airtight chamber.Specifically.Institute
The one end for stating air stream siphunculus 134 connects with the airtight chamber, the other end and the cylinder of the air stream siphunculus 134
131 connections, so that the cylinder 131 connects with the airtight chamber.The piston 132 is arranged in the cylinder 131, described
Side of the piston 132 away from the air stream siphunculus 134 is connected with one end of the sliding bar 133, the sliding bar 133 it is another
One end is fixedly connected with the second end 142 of the deformation bar 140, with the deformation bar 140 according to the temperature sensing group
When the variation of ambient temperature outside the battery case 100 that part 120 monitors correspondingly extends or shunk, second end 142
The sliding bar 133 and the piston 132 is driven to be slided in the cylinder 131, so as to pass through the cylinder 131 and the sky
Air-flow siphunculus 134 carries out air extraction to the airtight chamber or air injects.
In the present embodiment, the deformation bar 140 is formed using the material manufacture expanded with heat and contract with cold, when the deformation bar 140
When heated, second end 142 extends because of expansion, and second end 142 drives the sliding bar 133 and the piston 132
Slided to the direction away from the cylinder 131, the inflator 130 is carried out air extraction, with completely cut off the accommodating cavity with it is outer
The heat exchange on boundary；When the deformation bar 140 is cooled, second end 142 is shunk, and second end 142 drives the cunning
Lever 133 and the piston 132 slide to towards the direction of the cylinder 131, the inflator 130 is carried out air injection, with
The accommodating cavity and extraneous heat exchange are realized, so that it is guaranteed that the battery modules energy normal operation in accommodating cavity body.
Fig. 3 is refer to, is the another kind of the battery case 100 shown in Fig. 1 of the utility model preferred embodiment offer
Structural representation.In the present embodiment, the first end 141 of the deformation bar 140 is the deformation bar 140 away from the closed chamber
One end of room, second end 142 are the other end of the deformation bar 140, and the first end 141 is fixed on the accommodating cavity
Inwall on, the deformation bar 140 can be connected by lever 150 with the inflator 130, to realize or completely cut off battery case 100
Inside and outside heat exchange.The cylinder 131 is connected by air stream siphunculus 134 with the airtight chamber, is arranged on the cylinder
Side of the piston 132 away from the air stream siphunculus 134 and one end of the sliding bar 133 in 131 are rotatablely connected, the cunning
One end of the other end of lever 133 and the lever 150 is rotatablely connected, the other end of the lever 150 and the deformation bar 140
The second end 142 connect, second end 142 can rotate and slide relative to the lever 150, with the deformation bar 140
The second end 142 when extending or shrinking, drive the inflator 130 to carry out air to the airtight chamber by the lever 150
Extract or air injects.
Specifically, Fig. 4 is refer to, is partial enlarged drawing of the lever 150 shown in Fig. 3 in I portions.In the present embodiment,
The lever 150 offers the bearing of trend chute 151 parallel with the lever 150 on one end away from the sliding bar 133.
A rotating shaft is equipped with the chute 151, the second end 142 of the deformation bar 140 can pass through the rotating shaft and the lever 150
Rotation connection, and the rotating shaft can be slided in the chute 151, therefore when the second end 142 of the deformation bar 140 is extending
Or when shrinking, the rotating shaft is by direction of the interior edge of chute 151 away from the sliding bar 133 or close to the sliding bar
133 direction is slided, so that the lever 150 correspondingly drives inflator 130 to carry out airtight chamber around fulcrum
Air extracts or air injection, completely cuts off or realizes the heat exchange inside and outside battery case 100, it is ensured that the electricity in the accommodating cavity body
Pond module energy normal work.
In the present embodiment, the distance between one end of the connection of lever 150 sliding bar 133 and described fulcrum are more than institute
State lever 150 and connect the distance between one end of the deformation bar 140 and described fulcrum.Wherein, the fulcrum is described accommodating
Position in cavity can carry out different settings according to demand.
In the present embodiment, the housing 110 include be provided with containing groove the first cell body 112 and with first groove
The cover plate 111 that body 112 matches, the battery modules are arranged in the containing groove, and the cover plate 111 is towards described accommodating recessed
Groove, and cover on first cell body 112, to form the accommodating cavity, and realize and battery modules are housed.In this reality
In a kind of embodiment for applying example, the cover plate 111 is covered when on first cell body 112, can pass through adhesion or welding
Mode is fixed with first cell body 112, to ensure that the cover plate 111 coordinates the accommodating cavity of the formation of the first cell body 112
Sealing grade be not less than IP67 grades.
In the present embodiment, the housing 110 also includes the second cell body 113 for being provided with vent grooves, first groove
Body 112 is mutually matched with second cell body 113, and side wall of first cell body 112 away from the containing groove is described in
Vent grooves, first cell body 112 are fixed by way of welding with second cell body 113, to form the closed chamber
Room, wherein, the sealing grade of the airtight chamber is not less than IP67 grades.In the present embodiment, first cell body 112 is remote
The side wall of the containing groove is side wall of first cell body 112 away from the cover plate 111, so that second cell body
113 are in pure electric or hybrid automobile close to the position of bottom surface, so as to which the airtight chamber is arranged on into the appearance
Put cavity bottom.
Fig. 5 is refer to, is one kind of the second cell body 113 shown in Fig. 1 of the utility model preferred embodiment offer
Structural representation.In the present embodiment, multiple dividing plates 114 are may be provided with the airtight chamber, multiple dividing plates 114 are set
In the vent grooves of second cell body 113, the airtight chamber is roundabout by multiple mutually isolated formation of dividing plates 114
Air communication channel, so that air is circulated.In the present embodiment, the air stream siphunculus 134 connects the closed chamber
One end of room connects with the air communication channel, to realize air extraction or empty of the inflator 130 to the airtight chamber
Gas injects.
In the present embodiment, multiple dividing plates 114 can pass through integrally formed mode system with second cell body 113
Make after forming or manufacturing respectively by modes such as welding, adhesions so that multiple dividing plates 114 are fixedly installed on institute
In the vent grooves for stating the second cell body 113.In an embodiment of the present embodiment, multiple dividing plates 114 and described the
Two cell bodies 113 are preferably fabricated by integrally formed mode.
In the present embodiment, first cell body 112, second cell body 113 and the cover plate 111 use aluminium alloy
It is fabricated, in order to coordinate the cover plate 111 battery modules in the accommodating cavity body of the formation of first cell body 112 to carry out
Radiating.
In the utility model, the utility model preferred embodiment also provides a kind of electric supply installation, the electric supply installation
Applied to pure electric or hybrid automobile.The electric supply installation includes multiple battery modules and above-mentioned battery case 100, more
The individual battery modules are arranged in the accommodating cavity body of the battery case 100, to form the electric supply installation.Specifically, it is more
The individual battery modules are arranged in the containing groove of first cell body 112.
In summary, in the battery case and electric supply installation that the utility model preferred embodiment provides, the battery
Shell and electric supply installation can be carried out or completely cut off inside and outside battery case according to the variation of ambient temperature in the external world within the extremely short time
Heat exchange, it is ensured that the battery modules energy normal operation in battery case, the electric energy for improving battery modules in the prior art are defeated
Go out that stationarity is not high, security reliability is poor, service life and capacity fade problem.Specifically, the battery case passes through housing
Interior accommodating cavity houses to battery modules；The battery case passes through the temperature sensing that is arranged in the side wall outside housing
Component to housing outside environment temperature be monitored；The battery case is arranged on institute by what the airtight chamber with housing connected
The inflator in accommodating cavity body is stated, air extraction is carried out to the airtight chamber or air injects；The battery case passes through setting
In accommodating cavity body in side wall corresponding with temperature sensing component and the deformation bar that is connected with inflator, according to temperature sensing component
The environment temperature outside housing monitored accordingly extends or shunk, to drive the inflator to carry out air to the airtight chamber
Extract or air injects, so as to the heat exchange for carrying out or completely cutting off inside and outside battery case within the extremely short time, make accommodating cavity
Interior temperature ensures the battery modules energy normal operation in battery case, and the electric energy output for improving battery modules in the prior art is flat
Stability is not high, security reliability is poor, service life and capacity fade problem.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
Claims (10)
- A kind of 1. battery case, it is characterised in that the battery case includes housing, be provided with the housing airtight chamber and Accommodating cavity for set battery module；The battery case also includes temperature sensing component, inflator and deformation bar；The temperature sensing component is arranged in the side wall outside the housing, to be supervised to the environment temperature outside the housing Survey；The inflator is arranged in the accommodating cavity body, and connected with the airtight chamber, empty to be carried out to the airtight chamber Gas extracts or air injection；The deformation bar is arranged in accommodating cavity body in side wall corresponding with the temperature sensing component, and is connected with the inflator Connect, with according to the temperature sensing assemblies monitor to housing outside environment temperature accordingly extend or shrink, drive the gas Cylinder carries out air extraction to the airtight chamber or air injects.
- 2. battery case according to claim 1, it is characterised in that the airtight chamber is arranged on the accommodating cavity bottom Portion, the temperature sensing component include heat pipe, and the heat pipe includes Part I and Part II, the Part I with it is described Part II is connected to form the heat pipe, wherein, the Part I is outer close to the side of the airtight chamber with the housing Wall contacts, and the side wall of the outer close accommodating cavity of the Part II and the housing contacts, and the heat pipe passes through described the Environment temperature outside the housing that two parts monitor the Part I close to the airtight chamber is conducted to the deformation bar.
- 3. battery case according to claim 2, it is characterised in that the deformation bar is arranged on the accommodating cavity inner wall Upper opening position corresponding with the Part II of the heat pipe, the first end of the deformation bar are fixed on the accommodating cavity inner wall On, the second end of the deformation bar can correspondingly extend or receive according to the variation of ambient temperature outside the housing received Contracting.
- 4. battery case according to claim 3, it is characterised in that the deformation bar is connected by a lever and the inflator Connect, wherein, the inflator includes cylinder, piston and sliding bar, and the cylinder is connected by air stream siphunculus and the airtight chamber Logical, the piston is arranged in the cylinder, and one end of the sliding bar is connected with the piston rotation, the sliding bar it is another One end and one end of the lever are rotatablely connected, and it is parallel with the lever to offer bearing of trend on the other end of the lever Chute, the second end of the deformation bar by the rotating shaft that is contained in the chute can relative to the lever rotation and slip, When the second end of the deformation bar extends or shrinks, to be carried out by inflator described in the lever drives to the airtight chamber Air extracts or air injection.
- 5. according to the battery case described in any one in claim 1-4, it is characterised in that the deformation bar is cold using heat expansion Compression material is fabricated.
- 6. battery case according to claim 1, it is characterised in that the housing includes being provided with the first of containing groove Cell body and the cover plate matched with first cell body, the cover plate are covered on first cell body, to form the accommodating cavity Body.
- 7. battery case according to claim 6, it is characterised in that the housing also includes being provided with the of vent grooves Two cell bodies, second cell body are mutually matched with first cell body, the side wall of first cell body away from the containing groove Towards the vent grooves, first cell body is fixed by way of welding with second cell body, described closed to be formed Chamber.
- 8. battery case according to claim 7, it is characterised in that multiple dividing plates, institute are provided with the airtight chamber Airtight chamber is stated to isolate to form roundabout air communication channel by multiple dividing plates.
- 9. battery case according to claim 8, it is characterised in that multiple dividing plates are arranged on the vent grooves It is interior, and be integrally formed with second cell body.
- 10. a kind of electric supply installation, it is characterised in that the electric supply installation includes appointing in multiple battery modules and claim 1-9 Battery case described in meaning one, multiple battery modules are arranged in the accommodating cavity body of the battery case, to be formed State electric supply installation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720547161.1U CN206711949U (en) | 2017-05-16 | 2017-05-16 | Battery case and electric supply installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720547161.1U CN206711949U (en) | 2017-05-16 | 2017-05-16 | Battery case and electric supply installation |
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| CN206711949U true CN206711949U (en) | 2017-12-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960928A (en) * | 2017-05-16 | 2017-07-18 | 华霆（合肥）动力技术有限公司 | Battery case and electric supply installation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960928A (en) * | 2017-05-16 | 2017-07-18 | 华霆（合肥）动力技术有限公司 | Battery case and electric supply installation |
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| CP02 | Change in the address of a patent holder |
Address after: 230601 Anhui Hefei economic and Technological Development Zone, Xin Xin Road, No. 62 power battery factory Patentee after: Huating (Hefei) Power Technology Co., Ltd. Address before: 230601 No. 26, No. 5, Tsing Luen Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Huating (Hefei) Power Technology Co., Ltd. |
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| CP02 | Change in the address of a patent holder |