CN217134567U - Electric motor car bears formula electricity core mounting structure and battery package - Google Patents
Electric motor car bears formula electricity core mounting structure and battery package Download PDFInfo
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- CN217134567U CN217134567U CN202220647218.6U CN202220647218U CN217134567U CN 217134567 U CN217134567 U CN 217134567U CN 202220647218 U CN202220647218 U CN 202220647218U CN 217134567 U CN217134567 U CN 217134567U
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- mounting structure
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- battery cell
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Abstract
The utility model discloses an electric motor car bears formula electricity core mounting structure, include: the frame beam is provided with at least one cell module mounting area; the connecting plates are arranged on the side walls of the battery cell module mounting area, and each connecting plate is provided with a female bayonet; at least one battery cell module is installed in the battery cell module installation area, the side wall of the battery cell module is provided with a male bayonet matched with the female bayonet, and the male bayonet is clamped into the female bayonet; the water cooling plate is fixedly connected to the frame beam through a bolt and is in contact with one side face of the battery cell module. The utility model also provides an use above-mentioned electric motor car to bear formula electricity core mounting structure's battery package. The utility model discloses in, the electricity core module is stable with being connected between the battery package casing, has reduced the reliance to the structure glue, and the electricity core module of being convenient for simultaneously is dismantled, and the electricity core module also participates in bearing of battery package, and the rigidity that can make full use of electricity core promotes the holistic rigidity of battery package.
Description
Technical Field
The utility model relates to an electric motor car field especially relates to an electric motor car bears formula electricity core mounting structure and uses this mounting structure's battery package.
Background
With the development of electric automobiles, the requirements for light weight, high endurance mileage, low cost and the like are higher and higher. Therefore, it is required to improve the energy density of the battery pack. To the energy density who improves the battery package, can increase the quantity of the electric core that contains in the single electric core module usually to and reduce the quantity of connecting piece between the electric core module in the battery package. The weight increase of single electric core module can lead to the inertia increase of electric core module when removing for the battery package casing, is unfavorable for the fixed connection of electric core module and battery package casing. In addition, the quantity of connecting piece between the electric core module in the reduction battery package will lead to being connected between electric core module and the battery package casing more unstable.
At the present stage, the installation mode between battery core module and the battery pack shell mainly depends on gluing. According to different functions of the adhesive, the adhesive can be divided into structural adhesive, heat-conducting adhesive, sealant and the like. To the glue of fixed electric core module, its requirement is fire-retardant, heat conduction and bonds reliable, shock-resistant structure glue. But in the bonding scheme, there is not rigidity mechanical connection between electric core module and the box, has that module installation stability is not enough, the high inconvenient dismantlement of structural adhesive strength, module do not have the scheduling problem of contribution to battery package rigidity.
Consequently, technical staff in the field is dedicated to developing an electric vehicle bearing type battery cell mounting structure and a battery pack, the connection between the battery cell module and the battery pack shell is stable, dependence on structural adhesive is reduced, the battery cell module is convenient to detach, the battery cell module also participates in bearing of the battery pack, and the rigidity of the battery cell can be fully utilized to improve the overall rigidity of the battery pack.
SUMMERY OF THE UTILITY MODEL
In order to achieve the above object, the utility model provides an electric motor car bears formula electricity core mounting structure includes:
the battery cell module comprises a frame beam, wherein at least one battery cell module installation area is arranged on the frame beam;
the connecting plates are arranged on the side walls of the battery cell module mounting area, and each connecting plate is provided with a female bayonet;
the battery cell module is installed in the battery cell module installation area, a male bayonet matched with the female bayonet is arranged on the side wall of the battery cell module, and the male bayonet is clamped into the female bayonet;
and the water cooling plate is fixedly connected to the frame beam through a bolt and is contacted with one side surface of the battery cell module.
Further, the frame roof beam includes crossbeam and perpendicular roof beam, the crossbeam with perpendicular crisscross connection each other of perpendicular roof beam to form a plurality ofly the electric core module installation region.
Further, the projection of the female bayonet on the horizontal plane is T-shaped, the projection of the male bayonet on the horizontal plane is T-shaped, and the male bayonet is configured to be clamped into the female bayonet from the vertical direction.
Furthermore, a groove is formed in the frame beam, a bolt hole is formed in the bottom surface of the groove, a connecting piece is arranged on the side wall of the battery cell module in a protruding mode, and a through hole is formed in the connecting piece; the connecting piece is positioned in the groove, and a bolt penetrates through the through hole and is inserted into the bolt hole.
Further, a heat conduction sealant is arranged between the battery cell module and the water cooling plate.
Further, the battery cell module consists of a plurality of battery cells.
Further, the quantity of electricity core module installation area is 6, is 3 x 2's mode and arranges, the quantity of electricity core module is 6.
The utility model also provides a battery package, include as above the electric motor car bear formula electricity core mounting structure, be provided with a plurality of carry holes on the battery package, the battery package is configured to pass through carry jogged joint is to car chassis frame.
Further, the mounting structure further comprises a bottom guard plate, and the bottom guard plate is connected with the water cooling plate and the frame beam through bolts.
Further, the mounting structure further comprises a top cover connected to the top surface of the frame beam by bolts.
The utility model discloses following technological effect has: the bearing type battery cell mounting structure realizes a mechanical interface mounting mode between the battery cell module and the battery pack box body, avoids the dependence on structural adhesive in the mounting process, and enables the battery cell module and the battery pack box body to bear together; the rigidity of the battery cell module is utilized, so that the rigidity of the battery pack is increased, and the mounting stability and the detachability of the battery pack are enhanced.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
Fig. 1 is an exploded view of a battery pack according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the connection of the water-cooled plate and the frame beam;
FIG. 3 is a schematic view of the attachment of the apron plate to the frame beam;
FIG. 4 is a schematic structural view of a connecting plate;
fig. 5 is a schematic structural diagram of a cell module;
FIG. 6 is a schematic view of the connection of the connecting plate to the frame beam;
fig. 7 is a schematic connection diagram of a single cell module and a frame beam;
fig. 8 is a schematic structural diagram of the installation completion of all the cell modules;
FIG. 9 is a schematic view of the overall assembly;
fig. 10 is a schematic view of the connection of the battery pack to the chassis frame of the automobile.
The battery pack comprises 100 parts of a battery pack, 101 parts of a fourth bolt connection direction, 110 parts of a battery cell module, 111 parts of a male bayonet, 112 parts of a connecting piece, 113 parts of a through hole, 114 parts of a battery cell module installation direction, 115 parts of a third bolt connection direction, 120 parts of a frame beam, 121 parts of a longitudinal beam, 122 parts of a cross beam, 123 parts of a battery cell module installation area, 124 parts of a groove, 130 parts of a connecting plate, 131 parts of a female bayonet, 140 parts of a water cooling plate, 141 parts of a first bolt connection direction, 150 parts of a bottom guard plate, 151 parts of a second bolt connection direction, 160 parts of a top cover and 200 parts of an automobile chassis frame.
Detailed Description
The technical contents of the preferred embodiments of the present invention will be more clearly understood and appreciated by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments, and the scope of the invention is not limited to the embodiments described herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity. In the present application, the coordinate axes are defined as follows: x-longitudinal direction (automobile driving direction), Y-direction (transverse direction) perpendicular to X in the horizontal plane, and Z-vertical direction (vertical direction).
As shown in fig. 1, the utility model provides a battery pack 100, including electric motor car formula electric core mounting structure that bears, this electric motor car formula electric core mounting structure that bears includes at least one electric core module 110, frame roof beam 120, connecting plate 130, water-cooling board 140. The battery cell module 110 is composed of battery cells, and may include a plurality of battery cells. The quantity of electricity core can set up according to the actual demand, does not constitute rightly the utility model discloses a restriction. A cell module 110 is installed as a whole in the electric vehicle load-bearing cell installation structure. The number of the battery cell modules 110 may be one or more, and is set according to actual requirements. As shown in fig. 6, at least one cell module mounting area 123 is provided on the frame beam 120, one cell module 110 is installed in one cell module mounting area 123 (see fig. 7), and the number of the cell module mounting areas 123 may be matched with the number of the cell modules 110. The frame beam 120 may include longitudinal beams 121 and cross beams 122, and the longitudinal beams 121 and the cross beams 122 are perpendicular to each other and staggered, so that a cell module mounting region 123 may be formed. When electric core module 110 is installed in electric core module installation area 123, the lateral wall of electric core module 110 is relative with the inside wall of electric core module installation area 123, is provided with a plurality of connecting plates 130 on the inside wall of electric core module installation area 123. As shown in fig. 4, a female bayonet 131 is provided on the side of the connection board 130 facing the cell module 110, a corresponding male bayonet 111 (see fig. 5) is provided on the outer side wall of the cell module 110, and the male bayonet 111 can be clamped into the female bayonet 131, so as to connect the cell module 110 and the connection board 130 together. The connection plate 130 may be connected to the frame beam 120 by welding, fasteners, or the like. As shown in fig. 2, the water cooling plate 140 is disposed under the frame beam 120 and is connected to the frame beam 120 by bolts, and preferably, as shown in fig. 2, the bolts are driven into the frame beam 120 from bottom to top along a first bolt connecting direction 141 (the arrows in the figure only indicate the direction in which the water cooling plate 140 and the frame beam 120 are connected by bolts, and the number of the arrows is not equal to the actual number of the bolts). When electric core module 110 is installed in electric core module installation area 123, a side surface of electric core module 110 contacts with water-cooling board 140, and heat conduction sealant can be coated between electric core module 110 and water-cooling board 140.
In some embodiments, as shown in fig. 8, the number of the battery cell modules 110 is 6, and the battery cell modules are arranged in a 3 × 2 manner; correspondingly, the cell module mounting areas 123 on the frame beam 120 are also arranged in a 3 × 2 manner. Optionally, the battery cell module 110 is square or rectangular, and the battery cell module installation area 123 is also square or rectangular and is matched with the shape of the battery cell module 110. As shown in fig. 6, 2 to 3 connection boards 130 may be disposed on each side wall of the cell module mounting area 123, the number of the connection boards 130 on each side wall may be determined according to actual requirements, and correspondingly, the male bayonet 111 is disposed at a position on the cell module 110 corresponding to each connection board 130. In some embodiments, the female bayonet 131 is a T-shaped bayonet, that is, a projection of the female bayonet 131 in a horizontal plane (XY plane) is T-shaped, and the corresponding male bayonet 111 is also T-shaped, so that the battery cell module 110 can only be inserted into the female bayonet 131 from a vertical direction. In an area corresponding to one connection board 130 on the battery cell module 110, the number of the male card ports 111 is the same as that of the female card ports 131 of the corresponding connection board 130, and the number of the card ports is at least one.
In some embodiments, as shown in fig. 6, the longitudinal beams 121 and the transverse beams 122 of the frame beam 120 are provided with a plurality of grooves 124, and bolt holes (not shown) are provided in the grooves 124. As shown in fig. 5, a connecting member 112 is disposed on the battery cell module 110 at a position corresponding to the groove 124, the connecting member 112 is formed by extending from a sidewall of the battery cell module 110 to the direction of the groove 124, and at least one through hole 113 is disposed on the connecting member. When the battery cell module 110 is located in the battery cell module installation area 123, the connector 112 falls into the groove 124, and a bolt is inserted into the bolt hole of the groove 124 through the through hole 113 in the connector 112 along the third bolt connection direction 115 (see fig. 8), so as to further increase the fixing stability of the battery cell module 110. Installation direction 114 of electric core module 110 is as shown in fig. 7, and during electric core module 110 inserted female bayonet 131 from vertical direction, electric core module 110 was all fixed along the removal of X direction and Y direction, rotation, but can also remove along Z to (vertical), through this fastener, just can also be fixed electric core module 110 in Z to for electric core module 110 is fixed completely.
Adopt the utility model discloses an electric motor car bears formula electric core mounting structure's battery package 100 can install to car chassis frame 200 on. In some embodiments, the battery pack 100 is provided with a plurality of mounting holes through which the battery pack 100 is mounted to the vehicle chassis frame 200 (see fig. 10) from bottom to top in the fourth bolting direction 101.
In some embodiments, as shown in fig. 1 and 3, a bottom protection plate 150 is further disposed below the water-cooled plate 140, and the bottom protection plate 150 is connected to the water-cooled plate 140 and the frame beam 120 by bolts. Specifically, bolts are driven into the frame beam 120 along the second bolt connecting direction 151 from bottom to top through the apron plate 150 and the water cooling plate 140.
In some embodiments, as shown in fig. 1 and 9, a top cover 160 is further disposed above the frame beam 120, and the top cover 160 is fixed on the top surface of the frame beam 120 by bolts, so as to cover the cell module and perform a protection function. Specifically, bolts are connected to the frame rails 120 through the top cover 160 from top to bottom. The mounting hole may be provided on the top cover 160.
The utility model discloses an electric motor car bears formula electricity core mounting structure uses the battery package of this structure, and its manufacture process is as follows:
the battery cores are grouped into a battery core module 110, T-shaped male bayonet 111 and a protruding connecting piece 112 are arranged on the periphery of a shell of the battery core module 110, and a through hole 113 for a fastening piece to pass through is formed in the connecting piece 112;
the four sides of the battery cell module mounting area 123 on the frame beam 120 are provided with connecting plates 130, and the connecting plates 130 are provided with T-shaped female bayonets 131 matched with the male bayonets 111;
the water cooling plate 140 and the bottom guard plate 150 are connected with the frame beam 120 from bottom to top through bolts in sequence;
before the cell module 110 is placed into the frame beam 120, coating a heat-conducting sealant on the top surface of the water-cooling plate 140 or the bottom surface of the cell module 110;
put into frame roof beam 120 with electric core module 110, make electric core module 110 and water-cooling plate 140 bond well to make public bayonet 111 closely insert female bayonet 131 in, then be connected connecting piece 112 with the recess 124 on the frame roof beam 120 with the bolt, thereby accomplish single electric core module 110's installation. Installing other cell modules 110 in the same manner;
the top cover 160 is coupled to the frame beam 110 by bolts from the top down, thereby completing the manufacture of the battery pack 100.
When the battery pack is used, the battery pack 100 is connected with the automobile chassis frame 200 from bottom to top through bolts, so that the battery pack is connected with the whole automobile.
The utility model discloses in, the battery package has realized the mechanical interface mounting means between electric core module and the battery package box, has avoided the reliance to the structural adhesive in the installation for electric core module bears jointly with the battery package box, has utilized the rigidity of electric core module itself, thereby has increased the battery package rigidity, has strengthened the installation stability and the detachability of battery package.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides an electric motor car bears formula electricity core mounting structure which characterized in that includes:
the battery cell module comprises a frame beam, wherein at least one battery cell module installation area is arranged on the frame beam;
the connecting plates are arranged on the side walls of the battery cell module mounting area, and each connecting plate is provided with a female bayonet;
the battery cell module is installed in the battery cell module installation area, a male bayonet matched with the female bayonet is arranged on the side wall of the battery cell module, and the male bayonet is clamped into the female bayonet;
and the water cooling plate is fixedly connected to the frame beam through a bolt and is contacted with one side surface of the battery cell module.
2. The electric vehicle load carrying cell mounting structure of claim 1, wherein the frame beams comprise cross beams and longitudinal beams, the cross beams and the longitudinal beams being vertically staggered from each other to form a plurality of the cell module mounting areas.
3. The electric vehicle load carrying cell mounting structure of claim 1, wherein a projection of the female bayonet on a horizontal plane is T-shaped, and a projection of the male bayonet on the horizontal plane is T-shaped, the male bayonet configured to be snapped into the female bayonet from a vertical direction.
4. The electric vehicle load-bearing cell mounting structure of claim 1, wherein a groove is formed in the frame beam, a bolt hole is formed in the bottom surface of the groove, a connecting piece is protrudingly formed on the side wall of the cell module, and a through hole is formed in the connecting piece; the connecting piece is positioned in the groove, and a bolt penetrates through the through hole and is inserted into the bolt hole.
5. The electric vehicle load bearing cell mounting structure of claim 1, wherein a thermally conductive sealant is disposed between the cell module and the water-cooled plate.
6. The electric vehicle load carrying cell mounting structure of claim 1, wherein the cell module is comprised of a plurality of cells.
7. The electric vehicle load bearing cell mounting structure of claim 2, wherein the number of cell module mounting areas is 6, and the cell modules are arranged in a 3 × 2 manner, and the number of cell modules is 6.
8. A battery pack comprising the electrical vehicular load bearing cell mounting structure of any one of claims 1-7, wherein the battery pack is provided with a plurality of mounting holes, and the battery pack is configured to be connected to a chassis frame of an automobile through the mounting holes.
9. The battery pack of claim 8, further comprising a backplate, wherein the backplate is connected to the water-cooled plate and the frame beam of the electrical load-bearing cell mounting structure by bolts.
10. The battery pack of claim 8, further comprising a top cover bolted to a top surface of a frame beam of the electric load bearing cell mounting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220647218.6U CN217134567U (en) | 2022-03-23 | 2022-03-23 | Electric motor car bears formula electricity core mounting structure and battery package |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220647218.6U CN217134567U (en) | 2022-03-23 | 2022-03-23 | Electric motor car bears formula electricity core mounting structure and battery package |
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| CN217134567U true CN217134567U (en) | 2022-08-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116231206A (en) * | 2023-03-21 | 2023-06-06 | 重庆长安新能源汽车科技有限公司 | Battery pack assembly and power equipment |
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- 2022-03-23 CN CN202220647218.6U patent/CN217134567U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116231206A (en) * | 2023-03-21 | 2023-06-06 | 重庆长安新能源汽车科技有限公司 | Battery pack assembly and power equipment |
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