CN208189678U - A kind of electric automobile power battery mould group and electric car - Google Patents
A kind of electric automobile power battery mould group and electric car Download PDFInfo
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- CN208189678U CN208189678U CN201820655725.8U CN201820655725U CN208189678U CN 208189678 U CN208189678 U CN 208189678U CN 201820655725 U CN201820655725 U CN 201820655725U CN 208189678 U CN208189678 U CN 208189678U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a kind of electric automobile power battery mould group and electric cars, battery modules include battery core, upper cover, intermediate end plate, two end plates being oppositely arranged and two side plates being oppositely arranged, two end plates respectively with two plate-side plate weldings and formed one on lower open mouth shell, intermediate end plate is respectively welded on two side plates and enclosure interior space is separated at least two installation cavitys, several battery cores are mounted in each installation cavity, upper cover is mounted on shell upper end.The utility model integral installation structure is formed by connecting using intermediate end plate, end plate and side plate, the quantity for making battery modules accommodate battery core increases, even it is equivalent to the battery core quantity of two even more individual modules, compared to two or more individual modules, it is reduced in size in the longitudinal direction, increase mould group length, improve mould group uniformity, save inside battery space, mould group overall structure is more compact, space utilization rate is improved, to improve the energy density and capacity of entire battery system.
Description
Technical field
The utility model relates to technical field of new energy, and in particular to a kind of electric automobile power battery mould group and electricity
Electrical automobile.
Background technique
Present Global auto industry is faced with the huge challenge of energy and environment problem；Capacity usage ratio is high, to environment without
The pure electric automobile of pollution has become the direction of future automobile industrial development.As the core component of pure electric automobile, power
The performance of battery will directly influence the vehicle performance of pure electric automobile.In order to meet the course continuation mileage requirement of electric car and reach
To scheduled voltage and capacity, needs multiple lithium ion batteries carrying out serial or parallel connection, form power battery module.Power electric
Chi Mo group will receive certain vibration and impact while the car is driving, in order to guarantee module reliability and safety, mould group
Burst mode and be even more important with the fixed form of Battery case assembly；In addition, due to pre- to mould group in pure electric automobile
The installation space stayed is smaller and in irregular shape, design and develop a kind of versatility and interchangeability is high, can facilitate extension, assembling
Power battery module is necessary.
And traditional power battery module also has the disadvantage that
(1) traditional power battery modules are due to structure limitation, it is difficult to accomplish longer dimension, battery pack internal model group is caused not united
One, larger difficulty is brought to battery pack water-cooling system and strand design；In addition it can not only be occupied more using more mould group
The limited space of battery pack also will use more mould group material, improve cost.
(2) board-like or upper and lower bracket formula burst mode is mostly used in traditional power battery modules, since structure limits, mould
The versatility and interchangeability of group are poor；In addition, mounting bracket is bolted, be bolted in the stress of each bolt can not
Uniformity is fully achieved, part bolt may shift to an earlier date fatigue fracture, and the safety of mould group can not be protected.
(3) electrical connector and battery are linked together by screw in traditional power battery modules, in use,
It will lead to bonding strength and structure is affected because vibrating and expanding with heat and contract with cold, so that connection resistance be brought to become larger, lead to junction
The problem of temperature increases, and then bring the safety and reliability problem of series.
Utility model content
Technical problem to be solved in the utility model is for the battery modules installation space for being currently used for electric car
It is small, size is big etc., a kind of electric automobile power battery mould group and electric car are provided.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of electric automobile power battery mould group, packet
Battery core, upper cover, at least one intermediate end plate, two end plates being oppositely arranged and two side plates being oppositely arranged are included, described in two
The shell with lower open mouth on two plate-side plate weldings and formation one, at least one described intermediate end plate are respectively welded end plate respectively
At least two installation cavitys are separated on two side plates and by the enclosure interior space, are pacified in each installation cavity
Equipped with several battery cores, the upper cover is mounted on the shell upper end.
The beneficial effects of the utility model are: the utility model integral installation structure uses intermediate end plate, end plate and side plate
It is formed by connecting, the quantity for making battery modules accommodate battery core increases, or even is equivalent to the battery core number of two even more individual modules
Amount, compared to two or more individual modules, is reduced in size in the longitudinal direction, increases mould group length, occupy little space,
Mould group uniformity is improved, inside battery space is saved, mould group overall structure is more compact, space utilization rate is improved, from
And improve the energy density and capacity of entire battery system；And the component used also is reduced, and has achieved the effect that loss of weight；Separately
Outside, the setting of intermediate end plate also increases whole structural strength, and many places welding setting also greatly enhances the machinery of mould group
Structural strength improves the resistance to vibration and impact resistance of mould group.
Based on the above technical solution, the utility model can also do following improvement.
Further, between the adjacent battery core, between the battery core and the end plate and battery core and the centre
The limit framework limited to the battery core surrounding is mounted between end plate, the shell is stretched out in the limit framework upper end
And it is clamped with the cover rim.
Beneficial effect using above-mentioned further scheme is: limit framework is arranged, it can be achieved that in battery core in battery core side
The limit of lower left and right directions keeps entire modular structure more firm；And conveniently upper cover is connected and fixed.
Further, the limit framework includes square structure part, is connected respectively on two angles of square structure part upper end
The elastic buckles of one with cover rim clamping are connected to, are connected separately with one on two angles of square structure part lower end
It is used to support the support plate of the battery core bottom；The square structure part be crimped between the adjacent battery core or the battery core with
Between the end plate or between the battery core and the intermediate end plate, the elastic buckles are located at the outside of the battery core upper end and pressure
It connects on corresponding battery core edge.
Beneficial effect using above-mentioned further scheme is: passing through setting elastic buckles, support plate and square structure part, a side
Face realizes being independently arranged between battery core and between battery core and other component, and another aspect elastic buckles, which are realized, carries out battery core
While limit, upper cover can be also clamped, elastic component one multi-purpose, and overall structure is more compact securely.
Further, the elastic buckles are elongated and are arranged vertically with the square structure part；
The elastic buckles upper end extends to form one first buckle to the direction far from the square structure part, the upper cover
Both sides of the edge extend separately down and turn down to form one second buckle, and second buckle is engaged by clamping with first buckle.
Beneficial effect using above-mentioned further scheme is: in elastic buckles and the clamping engagement structure steganography of upper cover in upper cover
Interior, overall structure is more beautiful, and snap effect is more reliable and more stable.
Further, the support plate is elongated and is arranged vertically with the square structure part, and the support plate is far from institute
It states and extends to form a vertical plate in a long side of square structure part straight up, the upper end outwardly convex of the vertical plate is formed
One first limiting stand, the elastic buckles lower end extend to form one second limiting stand to the direction far from the square structure part；Institute
The lower end for stating side plate is crimped on the upper surface of first limiting stand, and the upper end of the side plate is connected to second limiting stand
Lower surface on.
Beneficial effect using above-mentioned further scheme is: be respectively formed on vertical plate and elastic buckles the first limiting stand and
Second limiting stand is connected to side plate upper end on the second limiting stand, lower end be crimped on the first limiting stand, it can be achieved that mould group side
The limit up and down of plate can require battery modules required for flexible assemble according to different capacity and voltage, and structure is simple, behaviour
Facilitate, it is versatile, while production cost is reduced again.
Further, the square structure part is square box or square plate, and the square plate is mounted on battery core and the end plate
Between and the square plate close to the battery core one side in the middle part of be reserved with expansion slot；The square box is mounted on two neighboring
Between battery core.
Beneficial effect using above-mentioned further scheme is: using square box or square plate, sets between battery core and end plate
Square plate is set, square box is set between battery core, so that there are certain expansion slots for each battery core, after increasing for battery core temperature
Space has been reserved in expansion, improves the security performance of mould group entirety.
It further, further include high-voltage terminal pedestal, the high-voltage terminal pedestal is connected to the end plate by joinery and its construction
Upper end；Two battery cores positioned at battery modules both ends respectively pass through mould group output electrical connector and a high-voltage terminal bottom
Seat connects, and is connected in series or in parallel between the pole of the adjacent battery core by mould group electrical connector.
Beneficial effect using above-mentioned further scheme is: installing a high-voltage terminal using joinery and its construction in the upper end of end plate
Pedestal, it is easy to connect reliable.
Further, the high-voltage terminal pedestal includes protective cover, base body and tenon, and the protective cover is connected to described
Base body upper end simultaneously reserves a joint gap between the base body upper end, and the mould group exports electrical connector grafting
In the joint gap and it is bolted on the base body；
The tenon is connected to the base body lower end, and the tenon is in the triangle tubular structure of lower end opening, institute
It states and offers two strip being axially arranged in parallel with it openings on a side wall of tenon, and also set up on the side wall limited
Position protrusion；The strip opening extends to the bottom end of the tenon, and the retention bead is located at two strip openings
Between and when the high-voltage terminal pedestal is connected on end plate by joinery and its construction be adapted to clamping with the end plate.
Beneficial effect using above-mentioned further scheme is: in base body upper end, protective cover is set, it can be to inside
Good insulation protection is played in electrical connection, and retention bead and strip opening are arranged on tenon, can rise to joinery and its construction
To the effect for stablizing clamping.
Further, the surface of the mould group output electrical connector is coated with one layer of nickel.
Beneficial effect using above-mentioned further scheme is: one layer of nickel is plated on the surface of mould group output electrical connector, it is conductive
Effect is good.
Further, between the adjacent battery core, between the battery core and the end plate and battery core and the centre
Battery core heat insulation felt is provided between end plate；Pole protection cap is installed on the pole of the battery core.
Beneficial effect using above-mentioned further scheme is: by setting battery core heat insulation felt and pole protection cap, preventing electricity
The whole using effect of battery core is transmitted and influenced to heat between core；Also good insulation protection is played to pole.
Further, the mould group fixation hole of connection Battery case inner beam is reserved on the upper surface of the end plate and for installing
The column mounting holes of two layers of module unit tray；
It is formed with first for connecting high-voltage terminal pedestal on the upper surface of the end plate and connects mortise and for keeping away
The first of weight keeps away repeated hole；
The outside of the end plate rear and front end offers the groove for welding side plate respectively, after the side plate both ends bending
In the groove by laser latasuture weldering welding；
The notch passed through for water-cooling system is reserved in the middle part of the lower end of the end plate；
The end plate offers the second connection mortise for connecting the square structure part on the one side of battery core,
The end plate offers binding hole on the one side far from the battery core.
Beneficial effect using above-mentioned further scheme is: mould group fixation hole and column mounting holes, side being arranged on end plate
Just end plate and Battery case inner beam being connected and fixed and be connected and fixed with pallet；The first connection is formed on end plate upper surface
Mortise, convenience are connected and fixed with high-voltage terminal pedestal；The setting for keeping away repeated hole can play whole keeping away and weigh effect.
A kind of electric car, including automobile body and for the automobile body provide power such as above-mentioned battery mould
Group.
The battery modules integral installation structure of the electric car of the utility model, use uses intermediate end plate, end plate and side
Plate is formed by connecting, and the quantity for making battery modules accommodate battery core increases, or even is equivalent to the battery core of two even more individual modules
Quantity, compared to two or more individual modules, the utility model is reduced in size in the longitudinal direction, increases mould group leader
Degree, occupies little space, improves mould group uniformity, save inside battery space, mould group overall structure is more compact, improves
Space utilization rate, to improve the energy density and capacity of entire battery system；And the component used also is reduced, and is reached
The effect of loss of weight；In addition, the setting of intermediate end plate also increases whole structural strength, many places welding setting also greatly enhancing
The Mechanical Structure Strength of mould group, improves the resistance to vibration and impact resistance of mould group.
Detailed description of the invention
Fig. 1 is the exploded perspective structural schematic diagram of the battery modules of the utility model；
Fig. 2 is the schematic perspective view of the shell of the utility model；
Fig. 3 is the limit framework of the utility model and the fit structure schematic diagram of battery core；
Fig. 4 is a kind of schematic view of the front view of embodiment of limit framework of the utility model；
Fig. 5 is the schematic view of the front view of the limit framework another embodiment of the utility model；
Fig. 6 is the backsight structural representation of the limit framework another embodiment of the utility model；
Fig. 7 is the schematic view of the front view of the end plate of the utility model；
Fig. 8 is the backsight structural representation of the end plate of the utility model；
Fig. 9 is the overlooking structure diagram of the end plate of the utility model；
Figure 10 is the schematic perspective view of the high-voltage terminal pedestal of the utility model；
Figure 11 is the schematic perspective view of the battery modules of the utility model.
In attached drawing, parts list represented by the reference numerals are as follows:
100, battery core；200, upper cover；201, the second buckle；
300, end plate；301, mould group fixation hole；302, column mounting holes；303, the first connection mortise；304, first weight is kept away
Hole；305, groove；306, notch；307, the second connection mortise；308, binding hole；309, the first bolt；310, the second bolt；
400, intermediate end plate；
500, framework is limited；501, square structure part；502, elastic buckles；503, support plate；504 vertical plates；505, first
Buckle；506, the first limiting stand；507, the second limiting stand；508, tenon is connected；509, second repeated hole is kept away；510, expansion slot；
600, side plate；
700, high-voltage terminal pedestal；701, protective cover；702, base body；703, tenon；704, joint gap；705, long
Strip gab；706, retention bead；707, mould group exports electrical connector；708, mould group electrical connector；709, snap-arms；710, block
Connect protrusion；
800, module unit tray.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, illustrated embodiment is served only for explaining this reality
With novel, it is not intended to limit the scope of the utility model.
Embodiment 1
As shown in Figure 1-Figure 11, a kind of electric automobile power battery mould group of the present embodiment, including battery core 100, upper cover
200, at least one 400, two end plate being oppositely arranged 300 of intermediate end plate and two side plates 600 being oppositely arranged, described in two
End plate 300 welds with two side plates 600 respectively and forms the shell of lower open mouth on one, at least one described intermediate end plate
400 are respectively welded on two side plates 600 and the enclosure interior space are separated at least two installation cavitys, Mei Gesuo
It states and is mounted on several battery cores 100 in installation cavity, the upper cover 200 is mounted on the shell upper end.Wherein, end plate 300
Identical with the structure of intermediate end plate 400, intermediate end plate 400 is arranged in parallel with end plate 300.In fact, the side plate of the present embodiment
Laser galvanometer weldering is respectively adopted to weld with end plate and intermediate end plate.
Specifically, the battery core 100 of the present embodiment is that setting in a row of successively arranging is intracorporal in shell, battery core 100 and intermediate
End plate 400 is also parallel arrangement.
The integral installation structure of the present embodiment is formed by connecting using intermediate end plate, end plate and side plate, accommodates battery modules
The quantity of battery core increases, or even is equivalent to the battery core quantity of two even more individual modules, compared to two or more independences
Mould group, the present embodiment are reduced in size in the longitudinal direction, are increased mould group length, are occupied little space, and it is unified to improve mould group
Property, inside battery space is saved, mould group overall structure is more compact, space utilization rate is improved, to improve entire electricity
The energy density and capacity of cell system；That is, a battery modules of the present embodiment be equivalent to it is existing two or more
Battery modules, the component used so are also reduced, and have achieved the effect that loss of weight；In addition, the setting of intermediate end plate also increase it is whole
The structural strength of body, many places welding setting also greatly enhance the Mechanical Structure Strength of mould group, improve the resistance to vibration of mould group
And impact resistance；And height can also be connected in series or in parallel by electrical connector according to customer demand in battery core by the present embodiment
The power battery module of voltage, high capacity, structure is simple, easy to assembly, and versatility and interchangeability are strong, can reduce production cost
With the shortening R&D cycle.
Embodiment 2
As shown in figures 1 and 3, the battery modules of the present embodiment on the basis of embodiment 1, can also be in the adjacent battery core
Pacify between 100, between the battery core 100 and the end plate 300 and between the battery core 100 and the intermediate end plate 400
Fill the limit framework 500 that is limited to 100 surrounding of battery core, 500 upper end of the limit framework stretching shell and with
200 edge of the upper cover clamping.Limit framework is arranged, it can be achieved that battery core direction up and down in battery core side in the present embodiment
Limit keeps entire modular structure more firm；And conveniently upper cover is connected and fixed.That is, the present embodiment is by phase
It is all spaced apart between adjacent battery core, battery core and end plate, battery core and intermediate end plate, and the direction up and down of battery core is carried out
Limit, prevents battery core from misplacing, overall structure is more compact.
As shown in figures 3 to 6, the embodiment of the present invention limit framework 500 includes square structure part 501, the square structure
The elastic buckles 502 of one with 200 edge of upper cover clamping, the rectangular knot are connected separately on two angles of 501 upper end of part
The support plate 503 for being used to support 100 bottom of battery core is connected separately on two angles of 501 lower end of component；The side
Shape structural member 501 is crimped between the adjacent battery core 100 or between the battery core 100 and the end plate 300 or the battery core
Between 100 and the intermediate end plate 400, the elastic buckles 502 are located at the outside of 100 upper end of battery core and are crimped on corresponding
On 100 edge of battery core.It elastically snaps into and is limited above battery core, support plate supports battery core in bottom, passes through setting elastic buckles, branch
Fagging and square structure part, on the one hand realize being independently arranged between battery core and between battery core and other component, another party
While the realization of surface elastic button limits battery core, upper cover can be also clamped, elastic component one multi-purpose, overall structure
It is more compact secured.
As shown in figure 4, the square structure part 500 of the present embodiment is additionally provided with second on the position of edge keeps away repeated hole
509, be conducive to the weight for mitigating entire battery modules.The square structure part 500 is flat square structure.
As shown in figures 3 to 6, the embodiment of the present invention elastic buckles 502 are elongated and hang down with the square structure part 501
Straight arrangement；502 upper end of elastic buckles extends to form one first buckle 505, institute to the direction far from the square structure part 501
The both sides of the edge for stating upper cover 200 extend separately down and turn down to form one second buckle 201, and the upper cover 200 is covered in described
100 upper end of battery core is simultaneously engaged by clamping by second buckle 201 and first buckle 505.In the card of elastic buckles and upper cover
It connects fit structure to be hidden in upper cover, overall structure is more beautiful, and snap effect is more reliable and more stable.
Specifically, as shown in figures 3 to 6, the elastic buckles 502 of the present embodiment include successively the of integrally connected from the bottom to top
One vertical section, horizontal segment and the second vertical section, the first vertical section are located at the front side or rear side of battery core 100, and horizontal segment is located at described
The top of battery core 100, the second vertical section are located above horizontal segment；First buckle 505 is located in the second vertical section and far from described
Square structure part 501 arranges that the first limiting stand 506 is located in the first vertical section and arranges far from the square structure part 501.The
Installation gap is reserved between one buckle 505 and the first limiting stand 506, the installation for upper cover is clamped.
As shown in figures 3 to 6, the embodiment of the present invention support plate 503 is elongated and hangs down with the square structure part 501
Straight arrangement, the support plate 503 far from extending to form a vertical plate in a long side of the square structure part 501 straight up
504, the upper end outwardly convex of the vertical plate 504 forms one first limiting stand 506, and 502 lower end of elastic buckles is to far from institute
The direction for stating square structure part 501 extends to form one second limiting stand 507；The lower end of the side plate 600 is crimped on described first
On the upper surface of limiting stand 506, the upper end of the side plate 600 is connected on the bottom surface of second limiting stand 507.In vertical plate
504 and elastic buckles 502 on be respectively formed the first limiting stand 506 and the second limiting stand 507, so that 600 upper end of side plate is connected to second
On limiting stand 507, lower end be crimped on the first limiting stand 506, it can be achieved that mould group side plate limit up and down, can be according to different
Capacity and voltage require battery modules required for flexible assemble, and structure is simple, easy to operate, versatile, while dropping again
Low production cost.Specifically as indicated at 3, elastic buckles 502 and vertical plate 504 are all the front and rear sides that battery core 100 is arranged in, also
It is to say, square structure part 501 is limited on the left and right directions of battery core 100, and support plate 503 is carried out in the bottom of battery core 100
Limit, a part of elastic buckles 502 are limited in the top of battery core 100, and another part is carried out in the front-rear direction of battery core 100
Limit, vertical plate 504 are also limited in the front-rear direction of battery core 100.
As shown in figs 1 to 6, shown, the embodiment of the present invention square structure part 501 is square box or square plate, the side
Shape plate is mounted between battery core 100 and the end plate 300 and the square plate is reserved in the middle part of the one side of the battery core 100
There is expansion slot 510；The square box is mounted between two neighboring battery core 100.Using square box or square plate, in battery core and end
Square plate is set between plate, square box is set between battery core, so that there are certain expansion slots for each battery core, it is battery core temperature
Space has been reserved in expansion after degree increases, and improves the security performance of mould group entirety.
As shown in Fig. 1, Figure 10 and Figure 11, the battery modules of the present embodiment further include high-voltage terminal pedestal 700, the high pressure
Outlet pedestal 700 is connected to the upper end of the end plate 300 by joinery and its construction；Two battery cores 100 positioned at battery modules both ends
It respectively exports electrical connector 707 by a mould group to connect with a high-voltage terminal pedestal 700, the pole of the adjacent battery core 100
It is connected in series or in parallel between column by mould group electrical connector 708.It is extruded in the upper end of end plate using joinery and its construction installation one is high
Line pedestal, it is easy to connect reliable.
As shown in Figure 10, the embodiment of the present invention high-voltage terminal pedestal 700 includes protective cover 701, base body 702, tenon
First 703, the protective cover 701 is connected to 702 upper end of base body and reserves between 702 upper end of base body
One joint gap 704, the mould group output electrical connector 707 are plugged in the joint gap 704 and are bolted
On the base body 702；The tenon 703 is connected to 702 lower end of base body, and the tenon 703 is open in lower end
Triangle tubular structure, offer the strip that two are axially arranged in parallel with it on a side wall of the tenon 703 and open
Mouth 705, and retention bead 706 is additionally provided on the side wall；The strip opening 705 extends to the bottom end of the tenon 703,
The retention bead 706 is located between two strip openings 705 and when the high-voltage terminal pedestal 700 passes through Tenon knot
Clamping is adapted to the end plate 300 when structure connects on the end plate 300.In base body upper end, protective cover is set, it can be to inside
Electrical connection play good insulation protection, on tenon be arranged retention bead and strip opening, can be to joinery and its construction
Play the role of stablizing clamping.
Specifically, as shown in Figure 10,701 both ends of protective cover of the present embodiment, which are respectively perpendicular, extends to form two snap-arms
709, blocked hole is offered in each snap-arms 709, the two sides of base body 702 are respectively formed there are two clamping protrusion 710,
Protective cover 701 covers on base body 702 and two snap-arms 709 are separately positioned on the two sides of base body 702 and two are blocked
Protrusion 710 is connect to be connected to correspondingly respectively in two blocked holes.It is reserved between protective cover 701 and base body 702
Joint gap 704 is stated, threaded hole is also provided on base body 702, mould group output 707 one end of electrical connector is plugged between connection
It in gap 704 and is detachably connected in threaded hole by bolt and realizes the external of battery core.
As shown in Figure 1, the present embodiment is also equipped with module unit tray 800 between upper cover 200 and the pole of battery core 100, have
Conducive to the fixation of battery core.
The surface of the embodiment of the present invention mould group output electrical connector 707 is coated with one layer of nickel.Electrical connector is exported in mould group
Surface plate one layer of nickel, conductive effect is good.
Between the adjacent battery core 100 of the present embodiment, between the battery core 100 and the end plate 300 and the electricity
Battery core heat insulation felt is provided between core 100 and the intermediate end plate 400；Pole guarantor is installed on the pole of the battery core 100
Protecting cover.By setting battery core heat insulation felt and pole protection cap, prevents the heat transmitting between battery core and influence the whole of battery core and use
Effect；Also good insulation protection is played to pole.
As shown in figure 9, being reserved with the mould group of connection Battery case inner beam on the upper surface of the embodiment of the present invention end plate 300
Fixation hole 301 and column mounting holes 302 for installing two layers of module unit tray；301 He of mould group fixation hole is set on the end plate 300
Column mounting holes 302 facilitate being connected and fixed and being connected and fixed with pallet for end plate and Battery case inner beam；Specifically, such as
Shown in Fig. 1, mould group fixation hole 301 realizes the fixation of end plate 300 and Battery case inner beam, column installation by the second bolt 310
Hole 302 being connected and fixed for end plate 300 and two layers of module unit tray is realized by the first bolt 309.Two layers of module unit tray are namely used
In being supported on a battery modules being arranged again in the battery modules.
As shown in figure 9, being formed on the upper surface of the embodiment of the present invention end plate 300 for connecting high-voltage terminal pedestal
700 the first connection mortise 303 and first for keeping away weight keep away repeated hole 304；The first connection is formed on end face on the end plate 300
Mortise 303, the tenon 703 of high-voltage terminal pedestal 700 be connected in the first connection mortise 303 realize high-voltage terminal pedestal 700 with
The connection of 300 upper surface of end plate, the first connection mortise 303 are actually also the type chamber of triangle, are provided with end plate 300 vertically
On upper surface；And be also provided with several first on the upper surface of end plate 300 and keep away repeated hole 304, several first keep away the shape of repeated hole
It is different, the structure of other shapes can also be used, in short, first using the identical structure of mortise shape is connect with first
Keeping away repeated hole and the first connection mortise is all the type chamber being provided on end plate upper surface.The setting of first connection mortise, it is convenient and high
Extrusion line pedestal is connected and fixed；The setting for keeping away repeated hole can play whole keeping away and weigh effect.
As shown in fig. 7, the outside of 300 rear and front end of the embodiment of the present invention end plate is offered respectively for welding side plate
600 groove 305, groove 305 are all in vertical structure, are welded on institute by laser latasuture after 600 both ends of the side plate bending
It states in groove 305；On the one hand the setting of groove facilitates the welding of side plate and end plate, on the other hand weld also side plate and end plate
Afterwards, surface can be smooth.
As shown in Figure 7 and Figure 8, it is reserved in the middle part of the lower end of the embodiment of the present invention end plate 300 and is passed through for water-cooling system
Notch 306, facilitate water cooled pipeline in battery system to pass through from end plate lower end and be not take up the space of battery modules.
As shown in fig. 7, the embodiment of the present invention end plate 300 offers on the one side of battery core 100 for connecting
The second connection mortise 307 of square structure part 501 is stated, the end plate 300 offers bundle on the one side far from the battery core 100
String holes 308.In fact, connection tenon 508 is provided on square plate, company when square plate and end plate are assembled, on square plate
Joggle head can just be inserted in end plate first connection mortise in limited, in this way assembling when it is avoided that size it is inclined
Difference.The number of the connection tenon of the present embodiment and the first connection mortise is two or more.
The battery modules of the present embodiment battery core can be connected in series or in parallel by electrical connector according to customer demand
The power battery module of high voltage, high capacity, structure is simple, easy to assembly, and versatility and interchangeability are strong, can reduce and is produced into
Originally and shorten the R&D cycle.
Embodiment 3
A kind of electric car provides power, such as above-mentioned battery mould including automobile body and for the automobile body
Group.
The battery modules integral installation structure of the electric car of the present embodiment, use uses intermediate end plate, end plate and side plate
It is formed by connecting, the quantity for making battery modules accommodate battery core increases, or even is equivalent to the battery core number of two even more individual modules
Amount, compared to two or more individual modules, the utility model is reduced in size in the longitudinal direction, increases mould group length,
It occupies little space, improves mould group uniformity, save inside battery space, mould group overall structure is more compact, improves sky
Between utilization rate, to improve the energy density and capacity of entire battery system；And the component used also is reduced, and has been reached and has been subtracted
The effect of weight；In addition, the setting of intermediate end plate also increases whole structural strength, many places welding setting is also greatly enhanced
The Mechanical Structure Strength of mould group improves the resistance to vibration and impact resistance of mould group.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " week
To " etc. instructions orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of describing this reality
It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (12)
1. a kind of electric automobile power battery mould group, which is characterized in that including battery core, upper cover, at least one intermediate end plate, two
The end plate being oppositely arranged and two side plates being oppositely arranged, two end plates respectively with two plate-side plate weldings and formed one
The shell of upper lower open mouth, at least one described intermediate end plate are respectively welded on two side plates and the enclosure interior is empty
Between be separated at least two installation cavitys, several battery cores are mounted in each installation cavity, the upper cover is mounted on institute
State shell upper end.
2. a kind of electric automobile power battery mould group according to claim 1, which is characterized in that between the adjacent battery core,
Be mounted between the battery core and the end plate and between the battery core and the intermediate end plate to the battery core surrounding into
The limit framework of row limit, the limit framework upper end are stretched out the shell and are clamped with the cover rim.
3. a kind of electric automobile power battery mould group according to claim 2, which is characterized in that the limit framework includes side
Shape structural member is connected separately with the elasticity of one with cover rim clamping on two angles of square structure part upper end
Button, the elastic buckles are located at the outside of the battery core upper end and are crimped on corresponding battery core edge, under the square structure part
The support plate for being used to support the battery core bottom is connected separately on two angles at end；The square structure part is crimped on phase
Between the adjacent battery core or between the battery core and the end plate or between the battery core and the intermediate end plate.
4. a kind of electric automobile power battery mould group according to claim 3, which is characterized in that the elastic buckles are elongated
And it is arranged vertically with the square structure part；
The elastic buckles upper end extends to form one first buckle, the two sides of the upper cover to the direction far from the square structure part
Edge extends separately down and turns down to form one second buckle, and second buckle is engaged by clamping with first buckle.
5. according to a kind of electric automobile power battery mould group of claim 3 or 4, which is characterized in that the support plate is in length
Bar shaped is simultaneously arranged vertically with the square structure part, the support plate far from a long side of the square structure part vertically to
On extend to form a vertical plate, the upper end outwardly convex of the vertical plate forms one first limiting stand, the elastic buckles lower end to
Direction far from the square structure part extends to form one second limiting stand；The lower end of the side plate is crimped on first limit
On the upper surface of platform, the upper end of the side plate is connected on the lower surface of second limiting stand.
6. according to a kind of electric automobile power battery mould group of claim 3 or 4, which is characterized in that the square structure part
For square box or square plate, the square plate is mounted between battery core and the end plate and the square plate is close to the battery core
Expansion slot is reserved in the middle part of one side；The square box is mounted between two neighboring battery core.
7. according to a kind of electric automobile power battery mould group of claim 3 or 4, which is characterized in that further include high-voltage terminal
Pedestal, the high-voltage terminal pedestal are connected to the upper end of the end plate by joinery and its construction；Positioned at two of battery modules both ends
Battery core respectively passes through mould group output electrical connector and connect with a high-voltage terminal pedestal, between the pole of the adjacent battery core
It is connected in series or in parallel by mould group electrical connector.
8. a kind of electric automobile power battery mould group according to claim 7, which is characterized in that the high-voltage terminal pedestal packet
Include protective cover, base body and tenon, the protective cover be connected to the base body upper end and with the base body upper end
Between reserve a joint gap, the mould group output electrical connector is plugged in the joint gap and is bolted
On the base body；
The tenon is connected to the base body lower end, and the tenon is in the triangle tubular structure of lower end opening, the tenon
The strip that two are axially arranged in parallel with it is offered on one side wall of head to be open, and is additionally provided with limit convex on the side wall
It rises；The strip opening extends to the bottom end of the tenon, and the retention bead is located between two strip openings
And clamping is adapted to the end plate when the high-voltage terminal pedestal is connected on end plate by joinery and its construction.
9. a kind of electric automobile power battery mould group according to claim 7, which is characterized in that the mould group output electrical connection
The surface of part is coated with one layer of nickel.
10. according to claim 1 to a kind of any one of 4,8 to 9 electric automobile power battery mould groups, which is characterized in that phase
Electricity is provided between the adjacent battery core, between the battery core and the end plate and between the battery core and the intermediate end plate
Core heat insulation felt；Pole protection cap is installed on the pole of the battery core.
11. according to any one of claim 3 to 4,8 to 9 a kind of electric automobile power battery mould group, which is characterized in that institute
State the mould group fixation hole that connection Battery case inner beam is reserved on the upper surface of end plate and for installing the vertical of two layers of module unit tray
Column mounting hole；
It is formed on the upper surface of the end plate and keeps away repeated hole for the first connection mortise of connection and first for keeping away weight；
The outside of the end plate rear and front end offers the groove for welding side plate respectively, passes through after the side plate both ends bending
Laser latasuture weldering welding is in the groove；
The notch passed through for water-cooling system is reserved in the middle part of the lower end of the end plate；
The end plate offers the second connection mortise for connecting the square structure part on the one side of battery core, described
End plate offers binding hole on the one side far from the battery core.
12. a kind of electric car, which is characterized in that including automobile body and for the automobile body provide power such as right
It is required that 1 to 11 described in any item battery modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820655725.8U CN208189678U (en) | 2018-05-03 | 2018-05-03 | A kind of electric automobile power battery mould group and electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820655725.8U CN208189678U (en) | 2018-05-03 | 2018-05-03 | A kind of electric automobile power battery mould group and electric car |
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| Publication Number | Publication Date |
|---|---|
| CN208189678U true CN208189678U (en) | 2018-12-04 |
Family
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| CN201820655725.8U Active CN208189678U (en) | 2018-05-03 | 2018-05-03 | A kind of electric automobile power battery mould group and electric car |
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| CN108520928A (en) * | 2018-05-03 | 2018-09-11 | 常州普莱德新能源电池科技有限公司 | A kind of electric automobile power battery module and electric vehicle |
| CN109728237A (en) * | 2018-12-29 | 2019-05-07 | 蜂巢能源科技有限公司 | The conductor rail support of battery modules |
| CN110571366A (en) * | 2019-09-30 | 2019-12-13 | 江西优特汽车技术有限公司 | Square duricrust module of aluminum alloy |
| CN112259865A (en) * | 2020-10-28 | 2021-01-22 | 荣盛盟固利新能源科技有限公司 | Battery module |
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| CN108520928A (en) * | 2018-05-03 | 2018-09-11 | 常州普莱德新能源电池科技有限公司 | A kind of electric automobile power battery module and electric vehicle |
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| CN113067071B (en) * | 2021-03-23 | 2022-06-03 | 远景动力技术(江苏)有限公司 | Battery module frame, battery module and battery package |
| CN114614073A (en) * | 2022-03-29 | 2022-06-10 | 中国科学技术大学 | Silicon-based lithium cell is with no module battery system |
| CN114614073B (en) * | 2022-03-29 | 2023-08-25 | 中国科学技术大学 | No module battery system for silicon-based lithium battery |
| CN115084762B (en) * | 2022-07-20 | 2024-03-22 | 天津市捷威动力工业有限公司 | Battery pack and electric automobile |
| CN115084762A (en) * | 2022-07-20 | 2022-09-20 | 天津市捷威动力工业有限公司 | Battery pack and electric automobile |
| CN116544630B (en) * | 2023-05-31 | 2023-08-29 | 深圳海辰储能控制技术有限公司 | Energy storage device and energy storage system |
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