CN209200005U - Battery modules and battery pack and electric vehicle - Google Patents
Battery modules and battery pack and electric vehicle Download PDFInfo
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- CN209200005U CN209200005U CN201821738791.8U CN201821738791U CN209200005U CN 209200005 U CN209200005 U CN 209200005U CN 201821738791 U CN201821738791 U CN 201821738791U CN 209200005 U CN209200005 U CN 209200005U
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- fixing plate
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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 modules and its battery pack and electric car.The battery modules include the multiple single batteries successively arranged, two end plates, middle fixing plate and two blocks of side plates；The two end plates are located at both ends of the battery modules on single battery arragement direction；Two blocks of side plates are located at two sides of the battery modules on single battery arragement direction；The middle fixing plate is arranged between the two end plates, and with the two end plates interval；The end plate is fixedly connected with the side plate；The end plate, middle fixing plate are fixed with pallet respectively, and the utility model passes through stability and reliability of the battery modules provided under bad working environments and improves, and the service life of battery modules is also extended.
Description
Technical field
The utility model relates to power battery fields, and in particular to a kind of battery modules and battery pack and electric vehicle.
Background technique
In the related technology, single battery is when being assembled into battery modules, using modeling usually between single battery and monomer
Material frame frame is for installing the single battery, and the battery modules of this design, structural member is more, and structure is more complicated, installation electricity
The space needed when Chi Mo group is larger, in order to meet the lightweight requirements of power battery, improves the energy density of power battery, more
Come more producers when single battery is assembled into battery modules, applied on biggish two surfaces of each single battery area
Glue, then multiple single batteries are arranged successively to form battery modules, distinguish cloth at the both ends in battery-arrangements direction and left and right sides
End plate and side plate are set for single battery to be assembled into battery modules.In above-mentioned assembling mode, end plate and side plate are in battery mould
Group can satisfy bonding strength requirement using initial stage, but battery after a period of use, since each single battery is in charge and discharge
Different degrees of expansion can be generated in the process, and the expansion of all single batteries together (can enclose the peripheral frame of battery modules at this time
Frame is formed by two end plates, two side plates 3) big load is generated, this will lead to peripheral frame deformation and even fails, and then cause entire
The failure of battery modules.Additionally, due to the limitation of adhesive structure intensity, structure design is not suitable for that operating condition is severe (such as to be wanted
Bear biggish shock loading and the prolonged oscillating load of vehicle etc.) and the more battery modules of single battery number set
Meter.
One kind is disclosed comprising system structure framework application No. is 201420741861.0 and is fixedly mounted on system structure
Battery module in framework, system structure framework include to be separately positioned on the end reinforcing module at bottom plate both ends and be arranged in bottom plate
The middle part reinforcing module at middle part, battery module include the intermediate pulling plate module being arranged between adjacent single battery integration module
With the end pulling plate module for being separately positioned on battery module both ends.Intermediate pulling plate module and system structure framework on battery module
On middle part reinforcing module be fastenedly connected, mould is reinforced in the end in the end pulling plate module on battery module and system structure framework
Block is fastenedly connected.Although the program can be improved reliability and stabilization of the battery modules under bad working environments to a certain extent
Property, but have the drawback that, it is the end passed through using bolt on end pulling plate mounting hole and system structure framework in the program
Embedded nut on reinforcing rib realizes that the detent of battery modules Y direction is fixed, when battery modules shake more in Y direction
When either monomer expansion is more serious when acutely, only still it cannot preferably guarantee that battery modules exist by above-mentioned detent fixation
Fixation in Y direction；In addition, being unfavorable for the setting of entire battery pack water-cooling system since bottom plate is equipped with middle reinforced rib；Again
Person, intermediate pulling plate are plastics embedded metal, and structural strength is lower, and battery is easy failure.
Application No. is 201720100068.6 patents to disclose a kind of battery modules of Intermediate Gray reinforcement structure.By
The strong middle partition of the rigidity of structure is added in the middle part of battery chess group, and forms entirety with the end plate of battery modules, side plate, thus greatly
The integral strength for improving battery modules, make overlength mould group under the conditions of insufficient space is implemented as possibility；But this kind of scheme
It has the drawback that, middle partition does not achieve a fixed connection with pallet, only solid by both ends when Z-direction vibration occurs for battery modules
Fixed, the resistance of battery mould is still larger in Z-direction amplitude in the middle position in battery-arrangements direction, and fixation is unreliable, such as uses battery
When the bottom surface of mould group is cooling radiating surface, it will also result in the gap width between the battery core in middle position and bottom cold plate and neglect big neglect
It is small, influence the consistency of thermal coefficient；In addition, using rivet interlacement, under the action of expansive force, side between intermediate plate and side plate
Plate riveted holes can be elongated to as ellipse, then relative displacement can occur under vibrating conditions for the connection of side plate and middle plate, influence
The fixed reliability of the two.
Utility model content
To solve at least one technical problem mentioned above, the utility model provides a kind of battery modules, the electricity
Chi Mo group includes multiple single batteries, two end plates, middle fixing plate and the two blocks of side plates successively arranged；
Two pieces of end plates are located at both ends of the battery modules on single battery arragement direction；
Two blocks of side plates are located at two sides of the battery modules on single battery arragement direction；Every piece of side
One end of plate is connect with one piece in two pieces of end plates, and the other end is connect with another piece in two pieces of end plates；
The middle fixing plate is located between two pieces of end plates, and is arranged with two pieces of end plate intervals；
It is arranged side by side between two pieces of end plates and middle fixing plate to have several single batteries；
The first structure for being fixed on end plate on battery pack pallet, the middle fixing plate are provided on the end plate
On be provided with the second structure for being fixed on middle fixing plate on battery pack pallet.
Optionally, the middle fixing plate is bonded together with the single battery for being located at the middle fixing plate two sides.
Optionally, the first structure is the first through hole being arranged on end plate, and second structure is to be arranged in centre
The second through-hole in fixed plate.
Optionally, the end plate includes the end plate main body and protective tip of mental section support, is set in the end plate main body
There is the first through hole for being fixed on end plate on pallet；
The middle fixing plate includes the middle fixing plate main body made of mental section and is located at described intermediate fixed
The protection middle fixing plate of plate main body two sides is offered for fixing the middle fixing plate in the middle fixing plate main body
The second through-hole on pallet.
Optionally, the middle fixing plate body interior is hollow structure, and the inside of middle fixing plate main body is equipped with tiltedly
To the reinforcing rib of arrangement.
Optionally, the middle fixing plate is connect with the side plate.
Optionally, the middle fixing plate and the plate-side plate welding.
Optionally, the both ends of the side plate are equipped with flanging, and the flanging is pressed against the outside of two pieces of end plates respectively；Institute
State side plate by the flanging respectively with institute two pieces state end plate and be welded and fixed.
Optionally, it is bonded together between the single battery by structure glue.
Optionally, the battery modules further include upper cover, and the upper cover is located at multiple single batteries arranged side by side
Top surface on, the upper cover is equipped with groove, the position of the second through-hole in the position of the groove and the middle fixing plate main body
It sets corresponding.
Second purpose of the utility model provides a kind of battery pack, and the battery pack includes pallet and is located at described
Battery modules inside pallet,
The battery modules include the multiple single batteries successively arranged, two end plates, middle fixing plate and two blocks of side plates；
Two pieces of end plates are located at both ends of the battery modules on single battery arragement direction；Two blocks of side plates distinguish position
In two sides of the battery modules on single battery arragement direction；In one end of every block of side plate and two pieces of end plates
One piece of connection, the other end are connect with another piece in two pieces of end plates；The middle fixing plate be located at two pieces of end plates it
Between, and be arranged with two pieces of end plate intervals；It is arranged side by side between two pieces of end plates and middle fixing plate to have several monomers
Battery；
Two pieces of end plates are fixedly connected with the pallet, and the middle fixing plate is fixedly connected with the pallet.
Optionally, the middle fixing plate is bonded together with the single battery for being located at the middle fixing plate two sides.
Optionally, be provided with the first structure for being fixed on end plate on battery pack pallet on the end plate, it is described in
Between the second structure for being fixed on middle fixing plate on battery pack pallet is provided in fixed plate.
Optionally, the first structure is the first through hole being arranged on end plate, and second structure is to be arranged in centre
The second through-hole in fixed plate.
Optionally, the end plate includes the end plate main body and protective tip of mental section support, is set on the protective tip
There is the first through hole for being fixed on the end plate on pallet；
The middle fixing plate includes the middle fixing plate main body made of mental section and is located at described intermediate fixed
The protection middle fixing plate of plate main body two sides, the middle fixing plate main body are equipped with for the middle fixing plate to be fixed on
The second through-hole on pallet.
Optionally, the pallet be equipped with the first internal thread hole corresponding with the first through hole and with second through-hole
Corresponding second internal thread hole；
Between the first through hole and first internal thread hole and second through-hole and second internal thread hole
Between connected respectively with screw, the battery modules are fixed on pallet.
Optionally, the middle fixing plate body interior is hollow structure, and the inside of middle fixing plate main body is equipped with tiltedly
To the reinforcing rib of arrangement.
Optionally, the middle fixing plate is connect with the side plate.
Optionally, the side plate and the middle fixing plate weld.
Optionally, the both ends of the side plate are equipped with flanging, and the flanging is pressed against the outside of the end plate respectively；The side
Plate is welded and fixed by the flanging end plate.
Optionally, it is bonded together between the single battery by structure glue.
Optionally, the battery modules further include upper cover, and the upper cover is located at multiple single batteries arranged side by side
Top surface on, the upper cover is equipped with groove, the position of the second through-hole in the position of the groove and the middle fixing plate main body
It sets corresponding.
The third purpose of the utility model, provides a kind of electric car, and the electric car includes the battery
Packet.
Compared with prior art, the utility model has the advantage that as battery modules end provided by the utility model
Plate is connect with side plate, and the fixed knot being fixed on end plate and middle fixing plate on pallet is respectively equipped on end plate and middle fixing plate
Structure can be consolidated end plate and centre by the fixed structure on end plate and middle fixing plate when battery modules are mounted in battery pack
Surely it is separately fixed in pallet, thus, it is possible to realize fixation of the battery modules in X-axis, Y-axis and Z-direction simultaneously, improves
Stability and reliability of the battery modules under bad working environments, extend the service life of battery modules；Battery modules are mounted on
In battery pack, in the case where battery pack inner space is certain, since battery modules provided by the utility model have centre solid
The window frame structure that fixed board and side plate and end plate cooperatively form can arrange more monomer electricity in limited battery pack space
The stability and reliability that battery modules are also ensured while pond, reduce the waste in the space of battery pack, to improve battery
The energy density of packet.
Detailed description of the invention
Fig. 1 is the structural representation of single battery provided by the utility model and side plate, end plate and middle fixing plate assembling
Figure；
Fig. 2 is the explosive view of battery modules provided by the utility model；
Fig. 3 is the structural schematic diagram of middle fixing plate main body provided by the utility model；
Fig. 4 is the schematic diagram of side plate provided by the utility model, end plate and middle fixing plate welding；
Fig. 5 is the top view of pallet provided by the utility model；
Fig. 6 is the schematic diagram of battery modules provided by the utility model and pallet assembly.
Appended drawing reference
1, upper cover, the 2, first connection sheet, 3, battery information collector, 4, wire casing, 5, reinforcing rib, 6, end plate, 61, end plate master
Body, 611, first through hole, 62, protective tip, 7, side plate, 71, flanging, 8, middle fixing plate, 81, middle fixing plate main body,
811, the second through-hole, 82, protection middle fixing plate, the 9, second connection sheet, the 10, first internal thread hole, 11, groove, 12, monomer
Battery, 13, battery modules, 14, weld seam, 15, pallet, 151, mould group fixed block, the 16, second internal thread hole, 17, screw.
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the disclosure.It should be understood that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
In order to improve battery modules in bad working environments stability inferior and reliability, the utility model provides a kind of battery mould
Group 13, such as Fig. 1 and Fig. 2, including multiple single batteries 12 arranged side by side；Two end plates 6, end plate 6 are located at the battery
Both ends of the mould group 13 on 12 arragement direction of single battery；Two blocks of side plates 7, the side plate 7 arrange the battery modules 13 along list
Two sides on 12 arragement direction of body battery, one end of every block of side plate 7 is connect with one piece in two pieces of end plates 6, another
End is connect with another piece in two pieces of end plates 6；Middle fixing plate 8, the middle fixing plate 8 are arranged in the two end plates
Between 6, and it is spaced and is arranged with the two end plates 6；The end plate 6 and the middle fixing plate 8 are fixed with the side plate 7 respectively
Connection.The first structure for being fixed on end plate 6 on battery pack pallet, the middle fixing plate 8 are provided on the end plate 6
On be provided with the second structure for being fixed on middle fixing plate 8 on battery pack pallet.
In the prior art, the end plate 6 of usually only battery modules 13 battery modules 13 can be fixed on tray bottom to prevent
The only vibration of battery modules in above-below direction in electric vehicle operational process of battery modules 13, the battery mould of this structure design
Group, in battery modules 13 close to middle position single battery 12 than the single battery 12 by 6 side of proximal plate fixation
Effect wants weak, and when shaking, the single battery 12 close to middle position is than the single battery 12 by 6 side of proximal plate
What is shaken is more severe, therefore, is relatively easy to fail when 12 quantity of single battery increases in entire battery modules 13.And
In the utility model, it is provided with middle fixing plate 8, end plate 6 and middle fixing plate 8 among battery modules 13 and tray bottom is solid
It is fixed, battery modules 13 can be significantly reduced in the vibration of Z-direction, improve the reliability and stability of battery modules 13.
In some embodiments, middle fixing plate 8 is bonded in the single battery 12 for being located at 8 two sides of middle fixing plate
Together, thus in battery modules 13 in vertical tremor, middle fixing plate 8 can preferably reinforce battery modules 13 on Z axis
Stability.
Concrete form the application of first structure and the second structure is not construed as limiting, for example, can be buckle, bolt or its
His fixed form, as long as the protection that 15 bottom of pallet belongs to the utility model can be fixed on for end plate 6 and middle fixing plate 8
Range.
In some embodiments, first structure is the first through hole 611 being arranged on end plate 6, and second structure is to set
Set the second through-hole 811 on middle fixing plate 8.
First through hole 611 is offered on the end plate 6, and the second through-hole 811 is offered on the middle fixing plate 8；As a result,
First through hole and the second through-hole can be passed through by screw 17 battery modules are fixed on inside pallet.
If single battery 12 is fixed on side plate 7 and end plate as described above, battery modules 13 only include end plate 6 and side plate 7
In 6 rectangular frames surrounded, battery modules are under bad working environments, it is possible to reduce battery modules 13 are in the X-axis direction and Y direction
On displacement, in Z-direction vertical tremor can still occur for battery, and the stability of battery modules 13 is not high；If battery modules
13 only have the fixation of end plate 6 and middle fixing plate 8, it is possible to reduce battery modules are in the vibration of Z-direction and in X-direction
Displacement, but the displacement of Y direction still can occur for battery modules.In the utility model, by being added among battery modules 13
Middle fixing plate 8, end plate 6 are fixedly connected with side plate 7, and middle fixing plate can be further improved battery modules in Z with side plate
The displacement of axis direction, meanwhile, side plate can limit battery modules displacement in the X-axis direction, side plate can limit battery modules
Electricity can be improved thus, it is possible to reduce vibration of the battery modules on X, Y and Z-direction simultaneously in displacement in the Y-axis direction
Stabilization and reliability of the Chi Mo group under bad working environments.
It should be noted that the number of middle fixing plate 8 and the position of placement are not construed as limiting, actual can need voluntarily
The number of middle fixing plate and the position of placement are set.Preferably, the placement location of middle fixing plate 8 should be in battery modules 13
Internal equispaced setting, such as when battery modules are made of 12 single batteries 12, the number of middle fixing plate is if one
It is a, then it is preferably placed between the 6th single battery 12 and the 7th single battery 12.Thus, it is possible to make the stress of middle fixing plate
More uniform, the functional reliability of battery modules 13 is higher.
Further, the end plate 6 includes end plate main body 61 and protective tip 62, and the protective tip 62 is equipped with and is used for
The battery modules 13 are fixed on to the first through hole 611 of tray bottom 15；The middle fixing plate 8 includes mental section branch
The middle fixing plate main body 81 of support and protection middle fixing plate 82 positioned at 81 two sides of middle fixing plate main body, the centre
The second through-hole 811 for the battery modules 13 to be fixed on to 15 bottom of pallet is offered in fixed plate main body 81, it is described anti-
Shield end plate 62 and protection middle fixing plate 82 are for avoiding single battery 12 from expanding extruding end plate 61 or middle fixing plate 81
The surface coated insulating film of single battery is punctured, so that there is a situation where electric leakage or short circuits.Middle fixing plate main body 81 herein
Using mental section, plastic sheath metal tube, centre made of mental section are used different from the intermediate bulkhead that background technique is mentioned
81 intensity of fixed plate main body is higher, more stable, while convenient for the assembling between end plate 6 and side plate 7, protecting middle fixing plate
Material can be aluminium, steel and its alloy, the material of the protective tip can be plastics.
Further, middle fixing plate main body 81 with a thickness of 10-20mm, the protection middle fixing plate 82 with a thickness of
0.3-3.0mm is not only able to satisfy in the case where improving battery modules intensity requirement as a result, but also can satisfy light-weighted requirement.
It further, can middle fixing plate master as shown in figure 3, being hollow structure inside the middle fixing plate main body 81
It is equipped with diagonally disposed reinforcing rib in vivo, ensure that the intensity of middle fixing plate main body 81 by stationary body can be mitigated in this way
81 weight, meets lightweight requirements.
In some specific embodiments, end plate 6, side plate 7 and middle fixing plate 8 can be aluminum alloy materials, 6 He of end plate
Middle fixing plate 8 can use extrusion molding, and side plate can use punch forming.
In some embodiments, side plate 7 is fixedly connected with middle fixing plate, and end plate 6, side plate 7 and middle fixing plate 8 are consolidated
It is set to the frame form of an entirety, the intensity of entire battery modules can be improved.The utility model fixes end plate 6 and centre
Be fixedly connected mode of the plate 8 respectively between side plate 7 is not construed as limiting, as long as can be by end plate 6 and the difference of middle fixing plate 8 energy and side
Plate 7 is fixed together, within the scope of the utility model is protected.Specifically can be as in background technique, end plate 6 and centre
Fixed plate 8 is fixed together by way of rivet between side plate 7 respectively, or other modes.Preferably, end plate 6
Form a stable frame by welding between middle fixing plate 8 and side plate 7, single battery 12 is located in frame
Portion；It is connected by the way of rivet between end plate 6 and middle fixing plate 8 and side plate 7, battery modules 13 are in long-term charge and discharge cycles
During, biggish expansive force can be generated, under the action of expansive force, end plate 6,7 riveted holes of side plate can be elongated to be ellipse
Circle, then relative displacement can occur under vibrating conditions for the connection of end plate 6, side plate 7 and middle fixing plate plate 8, and it is solid to influence the two
Fixed reliability；In addition rivet interlacement is used, the installation space of in addition reserved bolt and rivet head is needed, to increase electricity
The occupied space of Chi Mo group entirety, is unfavorable for the installation of battery modules, and in the utility model, end plate 6, side plate 7 are fixed with centre
The connection of plate 8 uses welding manner, can be avoided the appearance of this problem.
In some specific embodiments, as the both ends of Fig. 2 and Fig. 4, the side plate 7 are equipped with flanging 71, the flanging 71
It is pressed against the outside of the end plate 6；For the side plate 7 by being welded and fixed between the flanging 71 and the end plate 6, weld seam 14 can
It is possible thereby to improve the bonding strength between end plate 6 and side plate 7, to improve on the contact surface between flanging 71 and end plate 6
The reliability that battery modules 13 work.
Further, it is fixed between end plate 6, side plate 7 and middle fixing plate 8 using Laser Welding, the weld seam that Laser Welding is formed
14 than relatively thin, can not only guarantee the bonding strength between end plate 6, side plate 7 and middle fixing plate 8, but also can reduce 14 institute of weld seam
The volume accounted for, to reduce the whole occupied space of battery modules 13.In addition, the penetrability of Laser Welding is strong, can directly by end plate 6,
The junction of side plate 7 and middle fixing plate 8 is combined together, and bonding strength is further increased.
The battery modules of this practical offer, because having the fixed frame formed between end plate 6, side plate 7 and middle fixing plate 8
Structure, especially suitable for using structure glue to be bonded together the battery modules to be formed between single battery 12, due to adhesive structure
The limitation of intensity, the structure design of traditional battery modules are not suitable for 12 numbers of single battery in battery modules 13 and increase
The case where, such as when the number of single battery is more than 14, it can not only by the fixed frame that end plate 6 and side plate 7 cooperatively form
The high battery modules 13 of Reliability comparotive are obtained, and use the structure of this practical proposition, plus centre inside battery modules 13
Fixed plate 8 quantity of single battery can be set as needed more；In addition, as use the bottom surface of battery modules 13 for
When cooling radiating surface, the gap width that will also result between the single battery 12 in middle position and bottom cold plate is suddenly big or suddenly small, influences
The consistency of thermal coefficient, and middle fixing plate 8 is added inside battery modules 13, middle fixing plate 8 is fixed on pallet
Bottom can reduce the gap between the single battery 12 in middle position and bottom cold plate, and battery modules are mounted on electricity in person
On electrical automobile, when encountering severe operating condition, if automobile is in the process of operation, pitch, the shock conditions of battery are more serious
In the case where, middle fixing plate 8 can significantly reduce battery modules in the vibration of Z-direction.The structure glue be acrylate glue,
It is a kind of in epoxy glue, silica gel or polypropylene glue.
Such as Fig. 2, battery modules 13 further include upper cover 1, and the upper cover 1 is located at the top of multiple single batteries 12 arranged side by side
On face, in order to avoid 17 fixed hole position of screw of middle fixing plate 8, the upper cover with second on the middle fixing plate 8
Through-hole relative position opens up fluted 11, to facilitate installation.
It further, further include wire casing 4 between upper cover and single battery, the wire casing 4 is for installing cell connector, institute
It states single battery 12 and serial or parallel connection is realized by cell connector；The wire casing 4 is equipped with battery information acquisition unit 3, uses
In signals such as voltage, the temperature of detection battery.
Due to being equipped at least one middle fixing plate 8 inside battery modules 13, middle fixing plate 8 is by entire battery modules
13 are divided into the sub- battery modules of at least two or more, and therefore, side plate 7 described herein or upper cover 1 or the wire casing 4 can be with
Be an entirety, be also possible to split settings, the application is not construed as limiting, can according to it is actual production and turn with the case where come
It is fixed.For example, can be stitched together by two pieces of wire casings for wire casing 4, due to being located at 8 left and right sides monomer electricity of middle fixing plate
The distance between pond 12 is larger, is accordingly used in electrical connection two and is located at the first of 8 left and right sides single battery 12 of middle fixing plate
The span of connection sheet 9 is bigger than the span for connecting the second connection sheet 2 between two neighboring monomer list pond 12.
Second purpose of the utility model additionally provides a kind of battery pack, and the battery pack includes pallet 15 and is located at
Battery modules 13 inside the pallet 15, the battery modules 13 include the multiple single batteries 12 successively arranged, two pieces of ends
Plate 6, middle fixing plate 8 and two blocks of side plates 7；The two end plates 6 are located at the battery modules 13 along 12 row of single battery
Both ends on cloth direction；Two blocks of side plates 7 are located at two of the battery modules 13 on 12 arragement direction of single battery
Side, one end of every block of side plate 7 are connect with one piece in two pieces of end plates 6, the other end with it is another in two pieces of end plates 6
One piece of connection；The middle fixing plate 8 is spaced with the two end plates 6 and is arranged between the two end plates 6；It is described
The end plate 6 and middle fixing plate 7 of battery modules 13 are fixedly connected with the tray respectively.
According to battery provided by the utility model, the battery modules are the above-mentioned battery modules provided of the utility model,
Details are not described herein.
It should be noted that being provided on the end plate in order to which battery modules are fixed on pallet for consolidating end plate
The first structure being scheduled on battery pack pallet is provided with for middle fixing plate to be fixed on battery pack on the middle fixing plate
The second structure on pallet.
The application is not construed as limiting the concrete form of first structure and the second structure, as long as can be by end plate and middle fixing plate
It is fixed on pallet, within the scope of the utility model is protected.
In some embodiments, the first structure is the first through hole being arranged on end plate, and second structure is to set
The second through-hole on middle fixing plate is set, such as Fig. 5 and Fig. 6, the pallet 15 is equipped with mould group fixed block 151, the mould group group
Fixed, 151 are equipped with one-to-one first internal thread hole 10 of the first through hole 611 and correspond with the second through-hole 811
The second internal thread hole 16, sequentially pass through first through hole 611, the first internal thread hole 10 using screw 17 and to sequentially pass through second logical
Hole 811, the battery modules 13 are fixed in the pallet 15 by the second internal thread hole 16, it is possible thereby to limit battery modules 13
In the vibration displacement of Z-direction, meanwhile, side plate 7 and end plate 6 are used to limit battery modules in the vibration position in Y-axis and X-axis defence line
It moves, improves the reliability of system；In addition using battery modules provided by the utility model can in finite battery packet space cloth
More single batteries are set, the energy density of battery pack is provided, the assembling mode of battery pack also becomes simpler.
The third purpose of the utility model provides a kind of electric car, and the electric car includes described in the utility model
Battery pack.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (23)
1. a kind of battery modules, which is characterized in that the battery modules include the multiple single batteries successively arranged, two pieces of ends
Plate, middle fixing plate and two blocks of side plates；
Two pieces of end plates are located at both ends of the battery modules on single battery arragement direction；
Two blocks of side plates are located at two sides of the battery modules on single battery arragement direction；Every block of side plate
One end is connect with one piece in two pieces of end plates, and the other end is connect with another piece in two pieces of end plates；
The middle fixing plate is located between two pieces of end plates, and is arranged with two pieces of end plate intervals；
It is arranged side by side between two pieces of end plates and middle fixing plate to have several single batteries；
It is provided with the first structure for being fixed on end plate on battery pack pallet on the end plate, is set on the middle fixing plate
It is equipped with the second structure for being fixed on middle fixing plate on battery pack pallet.
2. battery modules according to claim 1, which is characterized in that the middle fixing plate is fixed with the centre is located at
The single battery of plate two sides is bonded together.
3. battery modules according to claim 1, which is characterized in that the first structure is first be arranged on end plate
Through-hole, second structure are the second through-hole being arranged on middle fixing plate.
4. battery modules according to claim 3, which is characterized in that the end plate includes the end plate master of mental section support
Body and protective tip, the end plate main body are equipped with the first through hole for being fixed on end plate on pallet；
The middle fixing plate include the middle fixing plate main body made of mental section and be located at the middle fixing plate master
The protection middle fixing plate of body two sides is offered for the middle fixing plate to be fixed on support in the middle fixing plate main body
The second through-hole on disk.
5. battery modules according to claim 4, which is characterized in that the middle fixing plate body interior is hollow knot
Structure, and the inside of middle fixing plate main body is equipped with diagonally disposed reinforcing rib.
6. battery modules according to claim 1, which is characterized in that the middle fixing plate is connect with the side plate.
7. battery modules according to claim 6, which is characterized in that the middle fixing plate and the plate-side plate welding.
8. battery modules according to claim 1, which is characterized in that the both ends of the side plate are equipped with flanging, the flanging
It is pressed against the outside of two pieces of end plates respectively；The side plate by the flanging respectively with institute two pieces state end plate and be welded and fixed.
9. battery modules according to claim 1, which is characterized in that be bonded between the single battery by structure glue
Together.
10. battery modules according to claim 1, which is characterized in that the battery modules further include upper cover, the upper cover
On the top surface of multiple single batteries arranged side by side, the upper cover be equipped with groove, the position of the groove with it is described
The position of the second through-hole in middle fixing plate main body is corresponding.
11. a kind of battery pack, which is characterized in that the battery pack includes pallet and the battery mould inside the pallet
Group,
The battery modules include the multiple single batteries successively arranged, two end plates, middle fixing plate and two blocks of side plates；Two pieces
The end plate is located at both ends of the battery modules on single battery arragement direction；Two blocks of side plates are located at institute
State two sides of the battery modules on single battery arragement direction；One end of every block of side plate and one piece in two pieces of end plates
Connection, the other end are connect with another piece in two pieces of end plates；The middle fixing plate is located between two pieces of end plates, and
It is arranged with two pieces of end plate intervals；It is arranged side by side between two pieces of end plates and middle fixing plate to have several single batteries；
Two pieces of end plates are fixedly connected with the pallet, and the middle fixing plate is fixedly connected with the pallet.
12. battery pack according to claim 11, which is characterized in that the middle fixing plate is fixed with the centre is located at
The single battery of plate two sides is bonded together.
13. battery pack according to claim 11, which is characterized in that be provided on the end plate for end plate to be fixed on electricity
First structure on the packet pallet of pond is provided with for middle fixing plate to be fixed on battery pack pallet on the middle fixing plate
The second structure.
14. 3 battery pack according to claim 1, which is characterized in that the first structure is that first be arranged on end plate is led to
Hole, second structure are the second through-hole being arranged on middle fixing plate.
15. 4 battery pack according to claim 1, which is characterized in that the end plate includes the end plate main body of mental section support
And protective tip, the protective tip are equipped with the first through hole for being fixed on the end plate on pallet；
The middle fixing plate include the middle fixing plate main body made of mental section and be located at the middle fixing plate master
The protection middle fixing plate of body two sides, the middle fixing plate main body are equipped with for the middle fixing plate to be fixed on pallet
On the second through-hole.
16. according to battery pack described in claims 14 or 15, which is characterized in that the pallet is equipped with and the first through hole pair
The first internal thread hole and the second internal thread hole corresponding with second through-hole answered；
Between the first through hole and first internal thread hole and between second through-hole and second internal thread hole
It is connected respectively with screw, the battery modules is fixed on pallet.
17. battery pack according to claim 15, which is characterized in that the middle fixing plate body interior is hollow structure,
And the inside of middle fixing plate main body is equipped with diagonally disposed reinforcing rib.
18. battery pack according to claim 11, which is characterized in that the middle fixing plate is connect with the side plate.
19. battery pack according to claim 18, which is characterized in that the side plate and the middle fixing plate weld.
20. battery pack according to claim 11, which is characterized in that the both ends of the side plate are equipped with flanging, the flanging point
It is not pressed against the outside of the end plate；The side plate is welded and fixed by the flanging end plate.
21. battery pack according to claim 11, which is characterized in that be bonded between the single battery by structure glue
Together.
22. battery pack according to claim 11, which is characterized in that the battery modules further include upper cover, the upper cover position
In on the top surface of multiple single batteries arranged side by side, the upper cover is equipped with groove, the position of the groove and it is described in
Between the second through-hole in fixed plate main body position it is corresponding.
23. a kind of electric car, which is characterized in that the electric car includes the described in any item batteries of claim 11-22
Packet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821738791.8U CN209200005U (en) | 2018-10-25 | 2018-10-25 | Battery modules and battery pack and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821738791.8U CN209200005U (en) | 2018-10-25 | 2018-10-25 | Battery modules and battery pack and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209200005U true CN209200005U (en) | 2019-08-02 |
Family
ID=67409190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821738791.8U Active CN209200005U (en) | 2018-10-25 | 2018-10-25 | Battery modules and battery pack and electric vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN209200005U (en) |
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| CN111435760A (en) * | 2019-12-26 | 2020-07-21 | 蜂巢能源科技有限公司 | Stacking method and stacking tool of battery cell module and battery cell module |
| CN112701425A (en) * | 2019-10-21 | 2021-04-23 | 宝马股份公司 | Battery cell contact device and electric storage device |
| CN113540547A (en) * | 2020-03-31 | 2021-10-22 | 比亚迪股份有限公司 | Encapsulating subassembly and have its battery package, electric motor car |
| CN114678648A (en) * | 2022-03-28 | 2022-06-28 | 珠海科创电力电子有限公司 | Energy storage module restraining structure, energy storage module and assembling method |
| CN115312983A (en) * | 2022-02-22 | 2022-11-08 | 上海奥威科技开发有限公司 | Energy storage module and energy storage bag thereof |
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|---|---|---|---|---|
| CN112701425A (en) * | 2019-10-21 | 2021-04-23 | 宝马股份公司 | Battery cell contact device and electric storage device |
| CN112701425B (en) * | 2019-10-21 | 2023-07-28 | 宝马股份公司 | Battery cell contact-on device and accumulator |
| CN111435760A (en) * | 2019-12-26 | 2020-07-21 | 蜂巢能源科技有限公司 | Stacking method and stacking tool of battery cell module and battery cell module |
| CN111435760B (en) * | 2019-12-26 | 2022-05-27 | 蜂巢能源科技有限公司 | Stacking method and stacking tool of battery cell module and battery cell module |
| CN113540547A (en) * | 2020-03-31 | 2021-10-22 | 比亚迪股份有限公司 | Encapsulating subassembly and have its battery package, electric motor car |
| CN113540547B (en) * | 2020-03-31 | 2023-04-07 | 比亚迪股份有限公司 | Encapsulating subassembly and have its battery package, electric motor car |
| CN115312983A (en) * | 2022-02-22 | 2022-11-08 | 上海奥威科技开发有限公司 | Energy storage module and energy storage bag thereof |
| CN114678648A (en) * | 2022-03-28 | 2022-06-28 | 珠海科创电力电子有限公司 | Energy storage module restraining structure, energy storage module and assembling method |
| CN114678648B (en) * | 2022-03-28 | 2024-03-26 | 珠海科创电力电子有限公司 | Energy storage module restraint structure, energy storage module and assembly method |
| DE102022109078A1 (en) | 2022-04-13 | 2023-10-19 | Man Truck & Bus Se | Electrical energy storage with a pressure plate arranged within a cell stack |
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