CN209401682U - Battery case - Google Patents
Battery case Download PDFInfo
- Publication number
- CN209401682U CN209401682U CN201822267862.7U CN201822267862U CN209401682U CN 209401682 U CN209401682 U CN 209401682U CN 201822267862 U CN201822267862 U CN 201822267862U CN 209401682 U CN209401682 U CN 209401682U
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- China
- Prior art keywords
- peripheral frame
- heat exchanger
- exchanger plates
- contact surface
- battery case
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/211—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a kind of battery case comprising: heat exchanger plates；Lower frame body, including peripheral frame, peripheral frame are located on heat exchanger plates, border closing；Multiple first fasteners are arranged along the border of peripheral frame.Wherein, the lower surface of peripheral frame includes the first contact surface and the first non-contact face, the upper surface of heat exchanger plates includes the second contact surface and the second non-contact face, first contact surface and the second contact surface are on the outside of peripheral frame, first contact surface and the second contact face contact, first fastener passes through heat exchanger plates and peripheral frame at the first contact surface and the second contact surface and heat exchanger plates and peripheral frame is fixed together, first non-contact face and the second non-contact face are on the inside of peripheral frame and spaced apart to form the first accommodation groove in the up-down direction, first accommodation groove is in the annular along peripheral frame border, battery case further includes first seal, first seal is in the annular along peripheral frame border, first seal is contained in the first accommodation groove, to be sealed from the inside of peripheral frame to multiple first fasteners.
Description
Technical field
The utility model relates to field of batteries, relate more specifically to a kind of battery case.
Background technique
In field of batteries, battery case includes lower frame body and heat exchanger plates, and lower frame body includes peripheral frame, peripheral frame and heat exchanger plates shape
At the accommodating space of receiving battery modules.Battery modules include the battery of multiple arrangements, and battery modules are supported on heat exchanger plates, are changed
Hot plate supports battery and carries out heat exchange with battery.Peripheral frame and heat exchanger plates by the screw that is arranged along the border of peripheral frame, bolt or
The fastener of rivet etc links together.In order to avoid extraneous steam is entered in accommodating space by fastener, usually enclosing
Compressible sealing strip is clamped between the flat upper surface of the periphery of the flat lower surface and heat exchanger plates of frame.But due to sealing strip
Compression property, current design is difficult to control reasonable decrement, not can guarantee so as to cause sealing effect.
Utility model content
In view of problems of the prior art, the purpose of this utility model is to provide a kind of battery cases, can solve
The reasonable decrement of sealing strip present in background technique not can guarantee the problem of not can guarantee so as to cause sealing effect.
To achieve the goals above, the utility model provides a kind of battery case comprising: heat exchanger plates；Lower frame body, including
Peripheral frame, peripheral frame are located on heat exchanger plates, and border closing is formed together the receiving for being provided with battery modules of upward opening with heat exchanger plates
Space, wherein at least part in peripheral frame of the upper surface of heat exchanger plates be used to support battery modules and with battery modules
Battery carries out heat exchange；Multiple first fasteners are arranged along the border of peripheral frame.Wherein, the lower surface of peripheral frame includes the first contact
Face and the first non-contact face, the upper surface of heat exchanger plates include the second contact surface and the second non-contact face, the first contact surface and second
On the outside of peripheral frame, the first contact surface and the second contact face contact, the first fastener connect contact surface in the first contact surface and second
Heat exchanger plates and peripheral frame are passed through at contacting surface and heat exchanger plates and peripheral frame are fixed together, and the first non-contact face and the second non-contact face are leaned on
On the inside of nearly peripheral frame and spaced apart to form the first accommodation groove in the up-down direction, the first accommodation groove is in the annular along peripheral frame border,
Battery case further includes first seal, and first seal is in the annular along peripheral frame border, and first seal is contained in the first accommodating
In slot, to be sealed from the inside of peripheral frame to multiple first fasteners.
In one embodiment, lower frame body further includes built in beam, and built in beam is located in peripheral frame, and the lower surface of built in beam, which has, to be divided
Third contact not close to the non-contact face of third of the laterally reversed two sides of built in beam and between the non-contact face of third
Face；The upper surface of heat exchanger plates has and corresponding 4th contact surface of third contact surface and the corresponding with the non-contact face of third the 4th
Non-contact face；The battery case further includes multiple second fasteners, along being longitudinally arranged for built in beam；Third contact surface and the 4th connects
Contacting surface contact, the second fastener pass through heat exchanger plates and built in beam at third contact surface and the 4th contact surface and by heat exchanger plates and interior
Portion's beam is fixed together, and the non-contact face of third and the 4th non-contact face are spaced apart in the up-down direction to form the second accommodation groove,
Battery case further includes second seal, and second seal is contained in the second accommodation groove, outside lateral the two of the second built in beam
Side is sealed the multiple second fastener.
In one embodiment, first seal is sealing strip.
In one embodiment, second seal is sealing strip.
In one embodiment, first seal is sealant.
In one embodiment, second seal is sealant.
In one embodiment, the first fastener is self-sealing fastener.
In one embodiment, the second fastener is self-sealing fastener.
In one embodiment, battery case further includes the protective plate of exchange hot plate protection from below；First fastener also extends through
Protective plate, in the inside of the first fastener there are third accommodation groove between protective plate and heat exchanger plates, battery case further includes third
Sealing element, third sealing element are filled in third accommodation groove, to the first fastener for passing through protective plate, heat exchanger plates and peripheral frame
It is sealed from inside.
In one embodiment, peripheral frame has downward projection of protrusion, the week of protrusion and heat exchanger plates in the outside of its lower surface
The side of edge is spaced apart radially, and battery case further includes the 4th sealing element, and the 4th sealing element is filled in protrusion and heat exchanger plates
Between the side of periphery.
The beneficial effects of the utility model are as follows: by the first contact surface of contact and the second contact surface and being spaced apart
First non-contact face and the second non-contact face determine the depth of the first accommodation groove in above-below direction, thus when using sealing strip
The reasonable compression amount that can easily determine sealing strip, to guarantee sealing effect；Sealing is used when not using sealing strip
When glue, it can fundamentally solve the problems, such as that the reasonable compression amount of the sealing strip of background technique not can guarantee, to guarantee sealing effect
Fruit.
Detailed description of the invention
Fig. 1 is the perspective view of battery case according to the present utility model, wherein for the sake of clarity, showing battery modules.
The assembling stereogram of Fig. 2 battery case according to the present utility model.
Fig. 3 is the bottom view of Fig. 2, and wherein the region of dotted portion indicates the area being arranged when second seal is sealing strip
Domain.
Fig. 4 A is the cross-sectional view of Fig. 3 made along line A-A.
Fig. 4 B is the cross-sectional view of Fig. 3 made along line B-B.
Fig. 4 C is the cross-sectional view of Fig. 3 made along line C-C.
Fig. 5 is the bottom view of Fig. 2, and wherein the region of dotted portion indicates the coating sealing when second seal is sealant
The region of glue.
Fig. 6 A is the cross-sectional view of Fig. 5 made along line D-D.
Fig. 6 B is the cross-sectional view of Fig. 5 made along E-E line.
Fig. 6 C is the cross-sectional view of Fig. 5 made along F-F line.
Fig. 7 is the cross-sectional view of the heat exchanger plates of battery case according to the present utility model.Wherein, the reference numerals are as follows:
22 built in beam of X left and right directions
221 lower surface of Y front-rear direction
Z up and down direction 221A third contact surface
The 1 non-contact face of heat exchanger plates 221B third
11 upper surface, 23 accommodating chamber
11A the second contact surface the first fastener of 3A
Non-contact the second fastener of face 3B of 11B second
The 4th contact surface 4A first seal of 11C
The non-contact face 4B second seal of 11D the 4th
12 side 4C third sealing elements
The 4th sealing element of 13 first plate 4D
14 second plate, 5 protective plate
6 heat keeper of F runner
2 lower frame body, 7 battery modules
21 peripheral frame, 71 battery
211 the first accommodation grooves of lower surface G1
211A the first contact surface the second accommodation groove of G2
The non-contact face G3 third accommodation groove of 211B first
212 protrusions
Specific embodiment
Attached drawing shows the embodiments of the present invention, and will be appreciated that the disclosed embodiments are only that this is practical new
The example of type, the utility model can be implemented in a variety of manners, and therefore, detail disclosed herein, which should not be construed, to be limited
System, but only as the basis of claim and as the basis of representative for instructing those of ordinary skill in the art with various
Mode implements the utility model.
In addition, upper, lower, left, right, front and rear etc. are used to illustrate the operation of each component in embodiment and the finger of construction
Show that the statement in direction is not absolute but opposite, and although these instructions are proper when each component is in position shown in figure
When, but when these position changes, these directions should have different explanations, with the correspondence change.
Battery case according to the present utility model includes heat exchanger plates 1, lower frame body 2, multiple first fastener 3A and first close
Sealing 4A.Battery case further includes multiple second fastener 3B and multiple second seal 4B.Battery case further includes third sealing
Part 4C, the 4th sealing element 4D, protective plate 5, heat keeper 6.Protective plate 5 exchanges the protection of hot plate 1 from below, as shown in Figure 1.Protective plate
5 under external impacts (such as slungshot), and heat exchanger plates 5 is protected not destroyed and failed by external force.The preferred shock resistance of the material of protective plate 5
Strong material, such as aluminium alloy, stainless steel, high strength steel, the two-way DP high strength alloy steel of hot galvanizing etc..The setting of heat keeper 6 exists
Between heat exchanger plates 1 and protective plate 5, as shown in Figure 1.By the setting of heat keeper 6, at least in the heat in downward direction of heat exchanger plates 1
Transmitting is blocked, and then is kept the temperature to the battery of battery modules 7 71.The material of heat keeper 6 can be heat-preservation cotton, foam etc..
At least part in peripheral frame 21 of the upper surface 11 of heat exchanger plates 1 be used to support battery modules 7 and with battery mould
The battery 71 of group 7 carries out heat exchange.Battery 71 can generally include shell and be contained in the intracorporal electrode assembly of shell and electrolyte.
Electrode assembly includes positive plate, negative electrode tab and isolation film.Battery 71 can be pot (or hard shell) battery, as shown in Figure 1, phase
Ying Di, shell include top cover and the shell with top cover assembly；Or battery 71 can be pouch-type (or Soft Roll) battery, shell by
Encapsulating film (such as aluminum plastic film) is made.
Heat exchanger plates 1 include the first plate 13 and the second plate 14；Second plate 14 is combined with the first plate 13 from below and is formed for changing
The runner F of thermal medium flowing, as shown in Figure 7.First plate 13 and/or the second plate 14 can punch formings.In order to improve heat exchange
Effect, heat exchanger plates 1 are the high material of thermal conductivity, preferred metal materials, further preferred aluminum alloy material.
Lower frame body 2 includes peripheral frame 21 and built in beam 22.Peripheral frame 21 and built in beam 22 can be metal material, such as aluminium closes
Gold using die casting or can squeeze out profile.In order to reduce the weight, peripheral frame 21 and built in beam 22 can have type chamber (i.e. 21 He of peripheral frame
Built in beam 22 all has accommodating chamber 23), i.e., they are the profile with type chamber.It is noted that peripheral frame 21 and built in beam 22 are respective
Longitudinal direction can be X-direction and can be laterally Y-direction, or longitudinal can be Y-direction and transverse direction can be X-direction, still
Herein, it is horizontal and vertical be girder construction itself direction, i.e. the side X-Y-Z of battery case in local coordinate system, with Fig. 1
To for global coordinate system, stringent corresponding relationship is not present between two coordinate systems.
Built in beam 22 is located in peripheral frame 21.Built in beam 22 can be individually arranged, and the both ends of single built in beam 22 are separately connected
In the opposite inside of peripheral frame 21.Certainly, built in beam 22 multiple can be arranged, and the both ends of one of built in beam 22 are separately connected
In the opposite inside of peripheral frame 21, one end of remaining built in beam 22 is connected to another built in beam 22 and the other end is connected to and encloses
The inside of frame 21.Some built in beams 22 can play a part of to support battery modules 7, as shown in Figure 1.
Incidence relation between component, fastener, sealing element based on lower frame body 2, peripheral frame 21, multiple first fasteners
3A, first seal 4A, third sealing element 4C and the 4th sealing element 4D will illustrate together, built in beam 22, the second fastener 3B,
Second seal 4B will illustrate together.
Illustrate that peripheral frame 21, multiple first fastener 3A, first seal 4A, third sealing element 4C and the 4th are close first
The case where sealing 4D.
Fig. 4 A, Fig. 4 B, Fig. 6 A and Fig. 6 B example in, the upper surfaces 11 of heat exchanger plates 1 includes the second contact surface 11A and the
Two non-contact face 11B.Peripheral frame 21 is located on heat exchanger plates 1, and border closing is provided with electricity with what heat exchanger plates 1 were formed together upward opening
The accommodating space of Chi Mo group 7.Peripheral frame 21 can be integrally formed or is fixedly connected by multiple beams and be constituted.The lower surface of peripheral frame 21
211 include the non-contact face 211B of the first contact surface 211A and first.Multiple first fastener 3A are arranged along the border of peripheral frame 21.The
One contact surface 211A and the second contact surface 11A is contacted close to 21 outside of peripheral frame, the first contact surface 211A with the second contact surface 11A,
First fastener 3A is at the first contact surface 211A and the second contact surface 11A across heat exchanger plates 1 and peripheral frame 21 and by heat exchanger plates 1
It is fixed together with peripheral frame 21.The first non-contact non-contact face 11B of face 211B and second is close to 21 inside of peripheral frame and in upper and lower
Being spaced apart on Z to form the first accommodation groove G1, the first accommodation groove G1 is in the annular along 21 border of peripheral frame.First seal 4A
In the annular along 21 border of peripheral frame, first seal 4A is contained in the first accommodation groove G1, with from the inside of peripheral frame 21 to multiple
First fastener 3A is sealed.It may be implemented as a result, by setting along the first seal 4A of the annular of 21 border of peripheral frame
The inner seal that multiple first fastener 3A for arranging along the border of peripheral frame 21 are carried out with battery case avoids extraneous steam by the
One fastener 3A enters in accommodating space.
First contact surface 211A and the second contact surface 11A is contacted close to 21 outside of peripheral frame, the first contact surface 211A with second
Face 11A contact, the first non-contact non-contact face 11B of face 211B and second is close to 21 inside of peripheral frame and is spaced on Z in above-below direction
Opening to form the first accommodation groove G1, the first accommodation groove G1 is in the annular along 21 border of peripheral frame, and the first fastener 3A is in the first contact
Across heat exchanger plates 1 and peripheral frame 21 and heat exchanger plates 1 and peripheral frame 21 are fixed together at face 211A and the second contact surface 11A, thus
It is non-by the first contact surface 211A and the second contact surface 11A of contact and the first non-contact face 211B and second being spaced apart
Contact surface 11B determines the depth of the first accommodation groove G1 Z in above-below direction, thus can easily really when using sealing strip
The reasonable compression amount for determining sealing strip, to guarantee sealing effect；It, can be fundamentally when not using sealing strip and use sealant
Solve the problems, such as that the reasonable compression amount of the sealing strip of background technique not can guarantee, to guarantee sealing effect.In Fig. 4 A and Fig. 6 A
Example in, the non-contact face 211B of the first of peripheral frame 21 be plane；The non-contact face 11B of the second of heat exchanger plates 1 is with respect to peripheral frame 21
First non-contact face 211B is downwardly concaved.
In the example of Fig. 4 B and Fig. 6 B, the non-contact face 11B of the second of heat exchanger plates 1 is plane；The first of peripheral frame 21 is non-to be connect
Contacting surface 211B is upwardly recessed with respect to the second non-contact face 11B of heat exchanger plates 1.
Fig. 4 A, Fig. 4 B, Fig. 6 A and Fig. 6 B example in, the first fastener 3A can be usually used screw or riveting
Nail, it is preferable that the first fastener 3A is self-sealing fastener.The benefit of self-sealing fastener is can be in the outside close to battery case
The position passed through be directly sealed, and conventional screw or rivet is unable to reach direct sealing.Self-sealing fastener as a result,
Cooperate with first seal 4A and forms dual-seal.Self-sealing fastener can for pulling rivet bolt and rivet nut combination or
The combination of self-clinching nut and pressing-riveting bolt.Or self-sealing fastener is stream drilling screw (FDS, Flow Drill Screw), stream
Drilling screw may not need in pre-drilled cavity, can be improved operating efficiency, and do not generate drilling cuttings substantially.It flows drilling screw and passes through heat exchanger plates 1
And extend in the accommodating chamber 23 of peripheral frame 21, to the tip for flowing drilling screw is hidden in peripheral frame 21, so that battery case
It is specious, and avoid causing unexpected injury to operator.
In Fig. 4 B and Fig. 6 B, the first fastener 3A also extends through protective plate 5, tight first between protective plate 5 and heat exchanger plates 1
There are third accommodation groove G3, third sealing element 4C to be filled in third accommodation groove G3 for the inside of firmware 3A, to across protection
First fastener 3A of plate 5, heat exchanger plates 1 and peripheral frame 21 is sealed from inside.
In the example of Fig. 4 A and Fig. 4 B, first seal 4A is sealing strip.Sealing strip can be silicon rubber.In Fig. 6 A and figure
In the example of 6B, first seal 4A is sealant.Sealant can be structure glue.
In Fig. 4 B and Fig. 6 B, third sealing element 4C is sealing strip.In Fig. 4 B and Fig. 6 B, third sealing element 4C is sealing
Glue.Sealant is structure glue.
In Fig. 4 B and Fig. 6 B, peripheral frame 21 has downward projection of protrusion 212, protrusion 212 in the outside of its lower surface 211
It is spaced apart radially with the side 12 of the periphery of heat exchanger plates 1, the 4th sealing element 4D is filled in the week of protrusion 212 Yu heat exchanger plates 1
Between the side 12 of edge.As previously mentioned, heat exchanger plates 1 include the first plate 13 and the second plate 14, the contact gap of the two, which is exposed to, to be changed
At the side 12 of the periphery of hot plate 1, it is easy the invasion by extraneous steam, by the way that the 4th sealing element 4D is arranged, avoids outside water
Vapour enters the first fastener 3A of arrival between the first plate 13 and the second plate 14 by the side 12 of periphery, can reduce under long-term
The performance of first fastener 3A.In addition, the setting of the 4th sealing element 4D is also beneficial to improve the aesthetics of the appearance of battery case.
In Fig. 4 B and Fig. 6 B, the 4th sealing element 4D is sealing strip.Sealing strip can be silicon rubber.In Fig. 4 B and Fig. 6 B,
4th sealing element 4D is sealant.Sealant can be structure glue.
Next illustrates the case where built in beam 22, the second fastener 3B, second seal 4B.
Fig. 4 C, Fig. 4 D, Fig. 6 C and Fig. 6 D example in, the lower surface 221 of built in beam 22 has respectively close to built in beam
The non-contact face 221B of the third of 22 laterally reversed two sides and the third contact surface between the non-contact face 221B of third
221A；The upper surface 11 of heat exchanger plates 1 has fourth contact surface 11C corresponding with third contact surface 221A and non-contact with third
The corresponding 4th non-contact face 11D of face 221B.Multiple second fastener 3B being longitudinally arranged along built in beam 22；Third contact surface
221A and the 4th contact surface 11C contact, the second fastener 3B is at third contact surface 221A and the 4th contact surface 11C across changing
Heat exchanger plates 1 and built in beam 22 are simultaneously fixed together by hot plate 1 and built in beam 22.The non-contact face 221B of third and the 4th non-contact face
11D is spaced apart in above-below direction to form the second accommodation groove G2 on Z.Second seal 4B is contained in the second accommodation groove G2, with
The multiple second fastener 3B is sealed from laterally two outsides of the second built in beam 22.By from the second built in beam 22
Laterally second seal 4B is arranged in two outsides, may be implemented arrange to laterally two outsides along the second built in beam 22 multiple second
Fastener 3B is sealed, and extraneous steam is avoided to enter the receipts in laterally two outsides of the second built in beam 22 by second seal 4B
Hold in space.
As before, third contact surface 221A and the 4th contact surface 11C contact, the non-contact face 221B and the 4th of third
Non-contact face 11D is spaced apart in above-below direction to form the second accommodation groove G2 on Z, and the second fastener 3B is in third contact surface 221A
With across heat exchanger plates 1 and built in beam 22 and heat exchanger plates 1 and built in beam 22 are fixed together at the 4th contact surface 11C, thus logical
It crosses the third contact surface 221A and the 4th contact surface 11C of contact and the non-contact face 221B and the 4th of third spaced apart is non-connects
Contacting surface 11D determines the depth of the second accommodation groove G2 Z in above-below direction, thus can easily really when using sealing strip
The reasonable compression amount for determining sealing strip, to guarantee sealing effect；It, can be fundamentally when not using sealing strip and use sealant
Solve the problems, such as that the reasonable compression amount of the sealing strip of background technique not can guarantee, to guarantee sealing effect.
In the example of Fig. 4 C and Fig. 6 C, the non-contact face 11D of the 4th of heat exchanger plates 1 is plane；The third of built in beam 22 is non-
Contact surface 221B is upwardly recessed with respect to the 4th non-contact face 11D of heat exchanger plates 1.
In the example of Fig. 4 D and Fig. 6 D, the non-contact face 221B of the third of built in beam 22 is plane；The 4th of heat exchanger plates 1 is non-
The non-contact face 221B of third of contact surface 11D relative interior beam 22 is downwardly concaved.
In the example of Fig. 4 C and Fig. 4 D, second seal 4B is sealing strip.Sealing strip can be silicon rubber.In Fig. 6 C and figure
In the example of 6D, second seal 4B is sealant.Sealant can be structure glue.Using the amount for being filled in sealant of sealant
In the case where abundance, at least the first accommodation groove G1, the second accommodation groove G2 and the seamless unoccupied place third accommodation groove G3 are filled up completely, this
It is more preferable than the sealing effect of sealing strip.
Fig. 4 C, Fig. 4 D, Fig. 6 C and Fig. 6 D example in, the second fastener 3B can be usually used screw, it is excellent
Selection of land, the second fastener 3B are self-sealing fastener.Such as front, the benefit of self-sealing fastener is can be close to battery
The position of the outside of case passed through directly is sealed, and conventional screw or rivet is unable to reach direct sealing.As a result, from close
It is tamping firmware and second seal 4B cooperation and forms dual-seal.Similarly, self-sealing fastener is pulling rivet bolt and draws
The combination of riveting nut or the combination of self-clinching nut and pressing-riveting bolt.Alternatively, self-sealing fastener is stream drilling screw.Flowing drilling screw can
Without can be improved operating efficiency, and do not generate drilling cuttings substantially in pre-drilled cavity.Stream drilling screw passes through heat exchanger plates 1 and extends to
In the accommodating chamber 23 of built in beam 22.Similarly, stream drilling screw passes through heat exchanger plates 1 and extends in the accommodating chamber 23 of built in beam 22,
To which the tip for flowing drilling screw to be hidden in built in beam 22, so that battery case is specious, and avoid to operation
Personnel cause unexpected injury.
Finally briefly describe operating process.When first seal 4A, second seal 4B, third sealing element 4C,
When four sealing element 4D are sealing strip, first lower frame body 2 is inverted, first seal 4A is placed in and constitutes the first accommodation groove G1's
The region of second seal 4B comparative diagram 3 is placed in composition second by the corresponding position the non-contact face 211B of the first of peripheral frame 21
The position of the non-contact face 221B of the third of the built in beam 22 of accommodation groove G2, heat exchanger plates 1 are placed later, later by third sealing element 4C
The position of corresponding third accommodation groove G3 is placed on heat exchanger plates 1, places heat keeper 6 and protective plate 5, then installs the first fastening
Part 3A and the second fastener 3B is finally arranged so that protective plate 5, heat keeper 6, heat exchanger plates 1 and lower frame body 2 are fixed together
4th sealing element 4D.
When first seal 4A, second seal 4B, third sealing element 4C, the 4th sealing element 4D are sealant, first will
Lower frame body 2 is inverted, by the second contact surface 11A of the uncured sealant coating heat exchanger plates 1 for capableing of pressurized flow (for first
Sealing element 4A) and the 4th contact surface 11C (region of comparative diagram 5, for second seal 4B), heat exchanger plates 1 are placed later,
The position that sealant corresponds to third accommodation groove G3 is coated on the back side of heat exchanger plates 1 later (back to the second contact surface 11A and with
Third accommodation groove G3 is adjacent, for third sealing element 4C), heat keeper 6 and protective plate 5 are placed, then the first fastener is installed
3A and the second fastener 3B is so that protective plate 5, heat keeper 6, heat exchanger plates 1 and lower frame body 2 are fixed together, in fixation procedure
In, different parts (the second contact surface 11A of heat exchanger plates 1 contacts with the first contact surface 211A of peripheral frame 21, heat exchanger plates 1 the 4th
Contact surface 11C contacted with the third contact surface 221A of built in beam 22 and heat exchanger plates 1 back to the second contact surface 11A and with
Three accommodation groove G3 adjacent surface face contact corresponding with protective plate 5) sealant pressurized flow, to flow to corresponding
In one accommodation groove G1, the second accommodation groove G2 and third accommodation groove G3, it is finally directed to the position applying paste of the 4th sealing element 4D,
Sealing is completed after these sealing glue solidifyings.
Detailed description describes multiple exemplary embodiments above, but is not intended to be limited to clearly disclosed combination herein.
Therefore, unless otherwise indicated, various features disclosed herein can be combined and be formed and not shown for clarity and
Multiple other combinations out.
Claims (10)
1. a kind of battery case characterized by comprising
Heat exchanger plates (1)；
Lower frame body (2), including peripheral frame (21), peripheral frame (21) are located on heat exchanger plates (1), border closing and heat exchanger plates (1) shape together
At the accommodating space for being provided with battery modules (7) of upward opening, wherein the upper surface (11) of heat exchanger plates (1) in peripheral frame
(21) at least part in is used to support battery modules (7) and carries out heat exchange with the battery (71) of battery modules (7)；
Multiple first fasteners (3A), along peripheral frame (21) border arrange,
Wherein,
The lower surface (211) of peripheral frame (21) includes the first contact surface (211A) and the first non-contact face (211B),
The upper surface (11) of heat exchanger plates (1) includes the second contact surface (11A) and the second non-contact face (11B),
First contact surface (211A) and the second contact surface (11A) are on the outside of peripheral frame (21), the first contact surface (211A) and second
Contact surface (11A) contact, the first fastener (3A) pass through heat exchanger plates at the first contact surface (211A) and the second contact surface (11A)
(1) and peripheral frame (21) and heat exchanger plates (1) and peripheral frame (21) are fixed together,
First non-contact face (211B) and the second non-contact face (11B) on the inside of peripheral frame (21) and in above-below direction on (Z) between
It separating to form the first accommodation groove (G1), the first accommodation groove (G1) is in the annular along peripheral frame (21) border,
Battery case further includes first seal (4A), and first seal (4A) is in the annular along peripheral frame (21) border, the first sealing
Part (4A) is contained in the first accommodation groove (G1), to be sealed from the inside of peripheral frame (21) to multiple first fasteners (3A).
2. battery case according to claim 1, which is characterized in that
Lower frame body (2) further includes built in beam (22), and built in beam (22) is located in peripheral frame (21),
The lower surface (221) of built in beam (22) has the third of the laterally reversed two sides respectively close to built in beam (22) non-contact
Face (221B) and the third contact surface (221A) between the non-contact face of third (221B)；
The upper surface (11) of heat exchanger plates (1) has the 4th contact surface (11C) corresponding with third contact surface (221A) and with the
The corresponding 4th non-contact face (11D) of three non-contact faces (221B)；
The battery case further includes multiple second fasteners (3B), along being longitudinally arranged for built in beam (22)；
Third contact surface (221A) and the contact of the 4th contact surface (11C), the second fastener (3B) in third contact surface (221A) and
Heat exchanger plates (1) and built in beam (22) are passed through at 4th contact surface (11C) and heat exchanger plates (1) and built in beam (22) are fixed on one
It rises,
The non-contact face of third (221B) and the 4th non-contact face (11D) are spaced apart in above-below direction to form the second accommodating on (Z)
Slot (G2),
Battery case further includes second seal (4B), and second seal (4B) is contained in the second accommodation groove (G2), with from second
Laterally two outsides of built in beam (22) are sealed the multiple second fastener (3B).
3. battery case according to claim 1, which is characterized in that first seal (4A) is sealing strip or sealant.
4. battery case according to claim 2, which is characterized in that second seal (4B) is sealing strip or sealant.
5. battery case according to claim 1, which is characterized in that the first fastener (3A) is self-sealing fastener.
6. battery case according to claim 2, which is characterized in that the second fastener (3B) is self-sealing fastener.
7. battery case according to claim 5 or 6, which is characterized in that self-sealing fastener is pulling rivet bolt and staking spiral shell
The combination of female combination, self-clinching nut and pressing-riveting bolt or stream drilling screw.
8. battery case according to claim 2, which is characterized in that peripheral frame (21) and built in beam (22) all have accommodating chamber
(23)。
9. battery case according to claim 1, which is characterized in that
Battery case further includes the protective plate (5) of exchange hot plate (1) protection from below；
First fastener (3A) also extends through protective plate (5), in the first fastener (3A) between protective plate (5) and heat exchanger plates (1)
Inside there are third accommodation groove (G3),
Battery case further includes third sealing element (4C), and third sealing element (4C) is filled in third accommodation groove (G3), with to passing through
The first fastener (3A) of protective plate (5), heat exchanger plates (1) and peripheral frame (21) is sealed from inside.
10. battery case according to claim 1, which is characterized in that peripheral frame (21) has in the outside of its lower surface (211)
Downward projection of protrusion (212), protrusion (212) are spaced apart radially with the side (12) of the periphery of heat exchanger plates (1), battery case
It further include the 4th sealing element (4D), the 4th sealing element (4D) is filled in the side (12) of the periphery of protrusion (212) and heat exchanger plates (1)
Between.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267862.7U CN209401682U (en) | 2018-12-29 | 2018-12-29 | Battery case |
| PCT/CN2019/125991 WO2020135153A1 (en) | 2018-12-29 | 2019-12-17 | Battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267862.7U CN209401682U (en) | 2018-12-29 | 2018-12-29 | Battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209401682U true CN209401682U (en) | 2019-09-17 |
Family
ID=67897331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822267862.7U Active CN209401682U (en) | 2018-12-29 | 2018-12-29 | Battery case |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209401682U (en) |
| WO (1) | WO2020135153A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828730A (en) * | 2019-10-31 | 2020-02-21 | 宁波敏实汽车零部件技术研发有限公司 | Battery box lower tray integrated with detachable water cooling plate assembly |
| WO2020135153A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Battery box |
| CN115207542A (en) * | 2022-09-16 | 2022-10-18 | 中创新航科技股份有限公司 | Battery pack shell and battery pack |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113506948B (en) * | 2021-07-12 | 2023-05-09 | 安徽智通新能源有限公司 | Lithium iron phosphate battery pack with protection board control device |
| CN115207551B (en) * | 2022-09-16 | 2022-11-15 | 中创新航科技股份有限公司 | Battery box and battery device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390636B (en) * | 2015-11-03 | 2018-02-06 | 宁德时代新能源科技股份有限公司 | Battery box |
| CN205069719U (en) * | 2015-11-10 | 2016-03-02 | 宁德时代新能源科技有限公司 | Battery box |
| CN205900643U (en) * | 2016-07-26 | 2017-01-18 | 北京长城华冠汽车科技股份有限公司 | Battery box and have vehicle of this battery box |
| CN206564277U (en) * | 2017-03-31 | 2017-10-17 | 宁德时代新能源科技股份有限公司 | Battery bag |
| CN207818680U (en) * | 2017-12-29 | 2018-09-04 | 宁德时代新能源科技股份有限公司 | Battery case |
| CN208093632U (en) * | 2018-04-24 | 2018-11-13 | 北京新能源汽车股份有限公司 | Battery pack lower shell assembly |
| CN209401682U (en) * | 2018-12-29 | 2019-09-17 | 宁德时代新能源科技股份有限公司 | Battery case |
-
2018
- 2018-12-29 CN CN201822267862.7U patent/CN209401682U/en active Active
-
2019
- 2019-12-17 WO PCT/CN2019/125991 patent/WO2020135153A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020135153A1 (en) * | 2018-12-29 | 2020-07-02 | 宁德时代新能源科技股份有限公司 | Battery box |
| CN110828730A (en) * | 2019-10-31 | 2020-02-21 | 宁波敏实汽车零部件技术研发有限公司 | Battery box lower tray integrated with detachable water cooling plate assembly |
| CN115207542A (en) * | 2022-09-16 | 2022-10-18 | 中创新航科技股份有限公司 | Battery pack shell and battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020135153A1 (en) | 2020-07-02 |
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