CN213752931U - Battery pack, battery pack and vehicle - Google Patents
Battery pack, battery pack and vehicle Download PDFInfo
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- CN213752931U CN213752931U CN202022607844.6U CN202022607844U CN213752931U CN 213752931 U CN213752931 U CN 213752931U CN 202022607844 U CN202022607844 U CN 202022607844U CN 213752931 U CN213752931 U CN 213752931U
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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 embodiment of the utility model provides a battery pack, battery package and vehicle. The battery pack includes: the battery fixing device comprises a battery module, a first fixing plate, a second fixing plate and a tray; the first fixing plate is connected with the battery module, the first fixing plate comprises a first matching surface, the second fixing plate comprises a second matching surface, a first meshing structure is arranged on the first matching surface, a second meshing structure is arranged on the second matching surface, and the first meshing structure is matched with the second meshing structure so that the first fixing plate and the second fixing plate can generate a self-locking effect; the battery module, the first fixing plate and the second fixing plate are all located in the tray, and the second fixing plate abuts against the side wall of the tray. The embodiment of the utility model provides an in, it is fixed through setting up first fixed plate and second, and the first fitting surface of first fixed plate and the second fitting surface of second fixed plate cooperate through first interlock structure and second interlock structure for battery module can be comparatively firm fix in the tray, can improve battery pack's performance.
Description
Technical Field
The utility model relates to a battery technology field, concretely relates to battery pack, battery package and vehicle.
Background
With the progress of science and technology, vehicles have become common transportation tools in daily life. Generally, a battery assembly is installed in a vehicle, and electric power is supplied to the vehicle through the battery assembly.
In the related art, a battery assembly includes a battery module and a tray, the battery module is generally disposed in the tray, and the position of the battery module in the tray is fixed.
In implementing the present invention, the inventor finds that there are at least the following problems in the related art: the battery modules are generally fixed in the tray by screws or adhesives, and when the battery modules are fixed in the tray by the screws or adhesives, the battery modules may not be more firmly fixed in the tray.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a battery pack, battery package and vehicle can solve among the correlation technique when fixing battery module in the tray through screw or bonding piece, and battery module probably can not be comparatively firm fix the problem in the tray.
In order to solve the technical problem, the utility model discloses a realize like this:
in a first aspect, an embodiment of the present invention provides a battery assembly, the battery assembly includes: the battery fixing device comprises a battery module, a first fixing plate, a second fixing plate and a tray;
the first fixing plate is connected with the battery module, the first fixing plate comprises a first matching surface, the second fixing plate comprises a second matching surface, a first meshing structure is arranged on the first matching surface, a second meshing structure is arranged on the second matching surface, and the first meshing structure is matched with the second meshing structure so that the first fixing plate and the second fixing plate can generate a self-locking effect;
the battery module, the first fixing plate and the second fixing plate are all located in the tray, and the second fixing plate abuts against the side wall of the tray.
Optionally, a first insection is arranged on the first matching surface, the first insection forms the first engaging structure, a second insection is arranged on the second matching surface, the second insection forms the second engaging structure, and the first insection is engaged with the second insection.
Optionally, the first fixing plate includes a connecting side surface, the connecting side surface is opposite to the second fitting surface, a buffer slot is formed in the connecting side surface, and the connecting side surface is connected to the battery module.
Optionally, a groove is formed in the first mating surface, the groove forms the first engaging structure, a boss is arranged on the second mating surface, the boss forms the second engaging structure, and the boss is embedded in the groove.
Optionally, the tray includes a bottom plate, two first side walls opposite to each other, and two second side walls opposite to each other, and the first side walls, the second side walls, and the bottom plate enclose to form a receiving groove;
the battery module, the first fixing plate and the second fixing plate are all positioned in the accommodating groove, and the second fixing plate abuts against the first side wall;
the length of the first fixing plate in the direction from one second side wall to the other second side wall is equal to the distance between the two opposite second side walls.
Optionally, the cross section of the second fixing plate along the direction in which the first engaging structure is engaged with the second engaging structure is a right trapezoid, a right-angle short side of the right trapezoid faces the bottom of the tray, and an inclined plane where a hypotenuse of the right trapezoid is located is a second engaging surface.
Optionally, the length of the right-angle short side of the right-angle trapezoidal cross section of the second fixing plate is not less than the difference between the first distance and the length of the bottom side of the first fixing plate, and the length of the right-angle short side of the right-angle trapezoidal cross section of the second fixing plate is less than the length of the bottom side of the first fixing plate, where the first distance is the distance between the battery module and the side wall of the tray, and the length of the bottom side of the first fixing plate is the length of the surface of the first fixing plate, which is in contact with the tray, in the connecting direction along which the first fixing plate is connected with the battery module.
Optionally, the first mating surface and the second mating surface are both inclined surfaces, and the first mating surface and the second mating surface are parallel.
In a second aspect, an embodiment of the present invention provides a battery pack, the battery pack includes: a top cover and the battery module of any of the first aspect above;
the top cover is detachably connected with a tray in the battery pack, and the top cover and the tray form a closed space.
In a third aspect, an embodiment of the present invention provides a vehicle including the battery pack described in the second aspect.
The embodiment of the present invention provides an embodiment, since the first fixing plate includes the first fitting surface, the second fixing plate includes the second fitting surface, the first engaging structure is disposed on the first fitting surface, the second engaging structure is disposed on the second fitting surface, and the first engaging structure cooperates with the second engaging structure, therefore, the first fitting surface and the second fitting surface cooperate through the first engaging structure and the second engaging structure, so that a self-locking effect can be generated between the first fixing plate and the second fixing plate, and the first fixing plate and the second fixing plate are not easily separated. In addition, because first fixed plate is connected with the battery module, first fixed plate and second fixed plate all are arranged in the tray, and the second fixed plate supports with the tray and holds, consequently, the second fixed plate can receive the pressure of the lateral wall of tray, and then passes to first fixed plate and battery module with pressure, make the battery module can be fixed through the position of first fixed plate and second fixed plate in the tray, promptly the battery module can be comparatively firm by first fixed plate and second fixed plate and fix in the tray. That is, in the embodiment of the utility model provides an in, it is fixed through setting up first fixed plate and second, and the first fitting surface of first fixed plate and the second fitting surface of second fixed plate are through first interlock structure and the cooperation of second interlock structure for battery module can be comparatively firm fix in the tray, and then can make the position of battery module in the tray can the long time stable, thereby can improve battery pack's performance.
Drawings
Fig. 1 shows an exploded view of a battery pack according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating a first fixing plate and a second fixing plate provided in the related art;
fig. 3 is a schematic view illustrating a first fixing plate and a second fixing plate according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a first fixing plate according to an embodiment of the present invention;
fig. 5 is a schematic view illustrating a first fixing plate and a second fixing plate according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a second fixing plate according to an embodiment of the present invention;
fig. 7 is a top view of a second fixing plate according to an embodiment of the present invention;
fig. 8 is a schematic view of another first fixing plate according to an embodiment of the present invention;
fig. 9 is a side view of a first fixing plate according to an embodiment of the present invention.
Reference numerals:
10: a battery module; 20: a first fixing plate; 30: a second fixing plate; 40: a tray; 11: an electric core; 21: a buffer tank; 41: a base plate; 42: a first side wall; 43: a second side wall.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As shown in fig. 1, the battery module includes: the battery module 10, the first fixing plate 20, the second fixing plate 30, and the tray 40.
The first fixing plate 20 is connected with the battery module 10, the first fixing plate 20 comprises a first matching surface, the second fixing plate 30 comprises a second matching surface, a first meshing structure is arranged on the first matching surface, a second meshing structure is arranged on the second matching surface, and the first meshing structure is matched with the second meshing structure so that the first fixing plate and the second fixing plate can generate self-locking effect; the battery module 10, the first fixing plate 20 and the second fixing plate 30 are all located in the tray 40, and the second fixing plate 30 abuts against the side wall of the tray 40.
In the embodiment of the present invention, since the first fixing plate 20 includes the first mating surface, the second fixing plate 30 includes the second mating surface, the first mating surface is provided with the first engaging structure, the second mating surface is provided with the second engaging structure, and the first engaging structure and the second engaging structure are matched, therefore, the first mating surface and the second mating surface are matched through the first engaging structure and the second engaging structure, so that a self-locking effect can be generated between the first fixing plate 20 and the second fixing plate 30, and further the first fixing plate 20 and the second fixing plate 30 are not easily separated. In addition, because the first fixing plate 20 is connected with the battery module 10, the first fixing plate 20 and the second fixing plate 30 are all located in the tray 40, and the second fixing plate 30 abuts against the tray 40, the second fixing plate 30 can receive the pressure of the side wall of the tray 40, and then the pressure is transmitted to the first fixing plate 20 and the battery module 10, so that the battery module 10 can be fixed in the tray 40 through the positions of the first fixing plate 20 and the second fixing plate 30, that is, the battery module 10 can be firmly fixed in the tray 40 by the first fixing plate 20 and the second fixing plate 30. That is, in the embodiment of the present invention, it is fixed through setting up first fixed plate 20 and second, and the first fitting surface of first fixed plate 20 and the second fitting surface of second fixed plate 30 cooperate through first interlock structure and second interlock structure for battery module 10 can be comparatively firm fix in tray 40, can make the position of battery module 10 in tray 40 can be stable for a long time, thereby can improve battery pack's performance.
In addition, in the embodiment of the present invention, both the first mating surface and the second mating surface may be inclined surfaces, and the first mating surface may be parallel to the second mating surface.
When the first matching surface and the second matching surface are inclined surfaces and the first matching surface is parallel to the second matching surface, after the first meshing structure and the second meshing structure which are mutually matched are arranged on the first matching surface and the second matching surface, the first matching surface and the second matching surface can be matched more tightly through the first meshing structure and the second meshing structure.
In addition, in the related art, as shown in fig. 2, the first mating surface of the first fixing plate 20 and the second mating surface of the second fixing plate 30 are inclined surfaces, and when the first mating surface and the second mating surface are mated, the first mating surface and the second mating surface are mated by means of mutual friction force, wherein the inclination angle of the first mating surface is α, the first mating surface and the second mating surface are parallel, and the friction coefficient between the first mating surface and the second mating surface is μ, in order that the first mating surface and the second mating surface can be self-locked by means of mutual friction force, the friction coefficient μ needs to be greater than or equal to the tangent value of the inclination angle α, so that there is a great limitation when the battery module 10 is fixed in the tray 40 by means of the first fixing plate 20 and the second fixing plate 30.
In the embodiment of the present invention, the first mating surface and the second mating surface are inclined surfaces, the first mating surface and the second mating surface are parallel, and the first matching surface and the second matching surface are respectively provided with a first meshing structure and a second meshing structure which can be matched, the first matching surface and the second matching surface can be matched through the first meshing structure and the second meshing structure, so that the first matching surface and the second matching surface generate self-locking effect, thereby avoiding the first matching surface and the second matching surface matching to generate self-locking action by means of the friction force between the first matching surface and the second matching surface, namely, the inclination angle of the first mating face is prevented from being limited, and the friction coefficient between the first mating face and the second mating face is not required to be considered, therefore, the structure of the first fixing plate and the second fixing plate can have more choices, and the first fixing plate and the second fixing plate can be more widely used.
Of course, in the embodiment of the present invention, the first mating surface and the second mating surface may not be inclined surfaces, and the first mating surface and the second mating surface may not be parallel, and the embodiment of the present invention is not limited herein.
In addition, in some embodiments, as shown in fig. 3, the cross section of the second fixing plate 30 along the direction of the first engaging structure and the second engaging structure is a right trapezoid, the short side of the right trapezoid faces the bottom of the tray, and the inclined plane of the oblique side of the right trapezoid is the second engaging surface.
When the cross-section of second fixed plate 30 along first interlock structure and second interlock structure complex direction is right trapezoid, and the right angle minor face of right trapezoid is towards the bottom of tray, at this moment, the inclined plane at direct trapezoidal hypotenuse place can be the second fitting surface. In the process of matching the second matching surface of the second fixing plate 30 with the first matching surface of the first fixing plate 20, because the short side of the right trapezoid faces the bottom of the tray, when the size of the first fixing plate 20 changes, the second fixing plate 30 can still be matched with the first matching surface of the first fixing plate 20, so that the size of the first fixing plate 20 is less limited, and the first fixing plate 20 and the second fixing plate 30 can be more widely applied.
In addition, in the embodiment of the present invention, the length of the right-angle short side of the right-angle trapezoidal cross section of the second fixing plate 30 is not less than the difference between the first distance and the base length of the first fixing plate 20, and the length of the right-angle short side of the right-angle trapezoidal cross section of the second fixing plate 30 is less than the base length of the first fixing plate 20, wherein the first distance is the distance between the battery module 10 and the side wall of the tray 40, and the base length of the first fixing plate 20 is the length of the surface of the first fixing plate 20 contacted with the tray 40 in the connecting direction along the first fixing plate 20 connected with the battery module 10. For example, as shown in fig. 3, the length of the bottom side of the first fixing plate 20 may be L1.
Wherein the extent of the length of the right-angled short side of the right-angled trapezoidal cross section of the second fixing plate 30 is defined with the aim of: when the distance between the lateral walls of the battery module 10 and the tray 40 changes, if the shape and size of the first fixing plate 20 do not change, the length of the surface where the right-angle short side and the right-angle long side of the right-angle trapezoidal section of the second fixing plate 30 are located can be increased, and then the installation requirements of the battery module 10 with different capacities and the tray 40 with different models can be met by matching with the first fixing plate 20. That is, only by changing the shape and size of the second fixing plate 30, the installation requirements of the battery modules 10 with different capacities and the trays 40 with different models can be met, the variability of the application scenarios of the first fixing plate 20 and the second fixing plate 30 is improved, and the production cost and the production process of the first fixing plate 20 and the second fixing plate 30 are also reduced.
In addition, in the embodiment of the present invention, as shown in fig. 3, the cross sections of the first fixing plate 20 and the second fixing plate 30 along the direction in which the first engaging structure and the second engaging structure are engaged are both right trapezoid, the right-angled short side of the right-angled trapezoid cross section of the second fixing plate 30 faces the bottom of the tray 40, and the right-angled long side of the right-angled trapezoid cross section of the first fixing plate 20 faces the bottom of the tray 40; the inclined plane at the hypotenuse place of the right trapezoid cross-section of first fixed plate 20 is first fitting surface, the inclined plane at the hypotenuse place of the right trapezoid cross-section of second fixed plate 30 is the second fitting surface, the length of the right angle minor face of the right trapezoid cross-section of second fixed plate 30 is not less than the difference of the long length of the right angle of first distance and the right angle of the right trapezoid cross-section of first fixed plate, and the right angle minor face of the right trapezoid cross-section of second fixed plate 30 is less than the long length of the right angle of the right trapezoid cross-section of first fixed plate, wherein, first distance is the distance between the lateral wall of battery module 10 and tray 40.
In addition, in the embodiment of the present invention, the shape of the first fixing plate 20 and the shape of the second fixing plate 30 may also be determined according to actual requirements, for example, as shown in fig. 4 to 6, the cross sections of the first fixing plate 20 and the second fixing plate 30 along the direction in which the first engaging structure and the second engaging structure are engaged may be a plate structure of a right triangle. The shape of the first fixing plate 20 and the shape of the second fixing plate 30 are not limited herein.
When the first fixing plate 20 and the second fixing plate 30 are both plate-type structures with right-angled triangle cross sections along the direction in which the first engaging structure and the second engaging structure are engaged, both the first engaging surface and the second engaging surface may be surfaces where the hypotenuses of the right-angled triangles are located.
In addition, in the embodiment of the present invention, the battery module 10 may include two opposite sides, the number of the first fixing plates 20 and the number of the second fixing plates 30 may be two, one first fixing plate 20 is connected to one side of the battery module 10, the other first fixing plate 20 is connected to the other side of the battery module 10, and the first fitting surfaces of the two first fixing plates 20 are respectively fitted with the second fitting surfaces of the two second fixing plates 30 through the first engaging structure and the second engaging structure.
Of course, the number of the first fixing plates 20 and the number of the second fixing plates 30 may also be specifically determined according to actual needs, for example, the number of the first fixing plates 20 is three, the number of the second fixing plates 30 is three, and the embodiments of the present invention are not limited herein for the number of the first fixing plates 20 and the number of the second fixing plates 30.
In addition, in the embodiment of the present invention, as shown in fig. 1, the battery module 10 may include a plurality of battery cells 11, and the plurality of battery cells 11 are stacked, at this time, a first battery cell 11 of the stacked arrangement may be one side of the battery module 10, and a last battery cell 11 of the stacked arrangement may be the other side of the battery module 10, and may connect a first fixing plate 20 to the first battery cell 11, and connect another first fixing plate 20 to the last battery cell 11.
In addition, in the embodiment of the present invention, the first fixing plate 20 may be bonded to the battery module 10. When the first fixing plate 20 is bonded to the battery module 10, the first fixing plate 20 can be easily connected to the battery module 10, and thus, the efficiency of assembling the battery pack can be improved.
Of course, first fixed plate 20 can also be connected with battery module 10 through other modes, for example, the joint, at this moment, can set up joint spare on the battery module 10, first fixed plate 20 and joint spare joint to the connected mode that first fixed plate 20 and battery module 10 are connected, the embodiment of the utility model provides a do not limit here.
In addition, in the embodiment of the present invention, the first engaging structure and the second engaging structure may have different manners, specifically, the following are taken as examples:
(1) as shown in fig. 3 to 7, the first mating surface may have a first insection, the first insection forms a first engaging structure, the second mating surface may have a second insection, the second insection forms a second engaging structure, and the first insection is engaged with the second insection.
When the first matching surface is provided with the first insection, the first insection forms the first meshing structure, the second matching surface is provided with the second insection, and the second insection forms the second meshing structure, at the moment, the second insection can be meshed with the first insection in the matching process of the second matching surface and the first matching surface. After the first insections are engaged with the second insections, that is, after the first insections are engaged with the second insections, the first insections and the second insections are engaged to generate a self-locking effect, so that the first fixing plate and the second fixing plate generate a self-locking effect, the second fitting surface cannot move relative to the first fitting surface, and the second fixing plate 30 cannot move relative to the first fixing plate 20 after the second fixing plate 30 is located in the tray 40. Since the second fixing plate 30 abuts against the side wall of the tray 40, after the second fixing plate 30 cannot move relative to the first fixing plate 20, the position of the second fixing plate 30 is fixed, so that the position of the battery module 10 in the tray 40 is fixed, and the battery module 10 is prevented from shaking in the tray 40. In addition, because first insection meshes with the second insection, consequently, can also avoid first fitting surface and second fitting surface to pass through the frictional force cooperation, first fitting surface and second fitting surface are through first insection and the cooperation of second insection promptly for the material of first fixed plate 20 and the material of second fixed plate 30 can not be restricted, and then produce first fixed plate 20 and second fixed plate 30 of processing more easily, and then make the utility model discloses battery pack's that the embodiment provides application is more extensive.
It should be noted that, as shown in fig. 4 and 6, the direction of the tooth tips of the first insection may be opposite to the direction of the tooth tips of the second insection in the direction of gravity. In the process of fitting the second fixing plate 30 to the first fixing plate 20, the battery module 10 and the first fixing plate 20 may be placed in the tray 40 first, and then the second fixing plate 30 may be fitted to the first fixing plate 20. Since the tooth tip direction of the first insection is opposite to the tooth tip direction of the second insection, when the second fixing plate 30 is placed, that is, when the second fixing plate 30 is placed along the tooth tip direction of the first insection, the first insection does not form an obstacle to the second insection. When second fixed plate 30 was located the set position, second insection and the meshing of first insection, and first insection blocks the second insection, and first insection can the auto-lock with the second insection, and first fixed plate 20 blocks second fixed plate 30 promptly, avoids second fixed plate 30 to deviate from tray 40.
In addition, in the process of matching the second fixing plate 30 with the first fixing plate 20, the first fixing plate 20 may be pressed by the second fixing plate 30, so that the first fixing plate 20 is deformed after being pressed, and the performance of the first fixing plate 20 is affected, in order to avoid this problem, in some embodiments, as shown in fig. 8 and 9, the first fixing plate 20 may include a connection side surface, the connection side surface is opposite to the second matching surface, the connection side surface may be provided with a buffer groove 21, and the connection side surface is connected to the battery module 10.
Because the connection side is connected with battery module 10, and has seted up buffer slot 21 on the connection side, consequently, when second fixed plate 30 and first fixed plate 20 cooperate, when first cooperation face and second cooperation face pass through first insection and second insection cooperation promptly, buffer slot 21 can absorb first fixed plate 20 because the deformation that the extrusion of second fixed plate 30 produced to the deformation of avoiding first fixed plate 20 produces the influence to the performance of first fixed plate 20. That is, the performance of the first fixing plate 20 can be improved by forming the buffer groove 21 on the connection side surface of the first fixing plate 20.
It should be noted that, when the buffer groove 21 is opened on the connection side surface and the battery module 10 is connected to the connection side surface, the non-grooved portion of the connection side surface is connected to the battery module 10.
It should be further noted that, the size of the buffer slot 21 can be determined according to actual requirements, and the number of the buffer slot 21 can also be determined according to actual requirements, and therefore, the embodiment of the present invention is not limited herein.
For example, the number of the buffer grooves 21 may be 1, in which case the capacity of the buffer grooves 21 may be large, and the number of the buffer grooves 21 may be two, in which case the capacity of the buffer grooves 21 may be small.
(2) The first matching surface is provided with a groove which forms a first engagement structure, the second matching surface is provided with a boss which forms a second engagement structure, and the boss is embedded into the groove.
When the first matching surface is provided with a groove which forms a first engagement structure, the second matching surface is provided with a boss which forms a second engagement structure, and at the moment, the boss can be embedded into the groove in the process of matching the second matching surface with the first matching surface. After the boss is inserted into the groove, the boss is engaged with the groove, and the boss is inserted into the groove to generate a self-locking effect, so that the first fixing plate and the second fixing plate generate a self-locking effect, and the second fitting surface cannot move relative to the first fitting surface, so that the second fixing plate 30 cannot move relative to the first fixing plate 20 after the second fixing plate 30 is located in the tray 40. Since the second fixing plate 30 abuts against the side wall of the tray 40, after the second fixing plate 30 cannot move relative to the first fixing plate 20, the position of the second fixing plate 30 is fixed, so that the position of the battery module 10 in the tray 40 is fixed, and the battery module 10 is prevented from shaking in the tray 40. In addition, because the boss embedding is in the recess, consequently, can also avoid first fitting surface and second fitting surface to pass through the frictional force cooperation, first fitting surface and second fitting surface boss and recess cooperation promptly for the material of first fixed plate 20 and the material of second fixed plate 30 can not be restricted, and then produces first fixed plate 20 and second fixed plate 30 of processing more easily, and then make the utility model provides a battery pack's application is more extensive.
It should be noted that, the number of the bosses and the number of the grooves may be set according to actual needs, for example, the number of the bosses may be 1, the number of the grooves may be 1, the number of the bosses may also be 3, the number of the grooves may also be 3, and the embodiments of the present invention are not limited herein for the number of the bosses and the number of the grooves. In addition, the boss can be matched with the groove, and the matching of the boss and the groove means that the shape of the boss is the same as that of the groove, and the volume of the boss is equal to that of the groove.
It should be noted that, when the second mating surface is provided with the boss, the material of the boss may be elastic. Of course, the material of the second fixing plate 30 may be the same as or different from that of the boss, and the embodiment of the present invention is not limited herein.
Of course, the first engagement structure and the second engagement structure are not limited to the above two manners, and the first engagement structure and the second engagement structure may have other forms, for example, a boss is disposed on the first engagement surface, and a groove is disposed on the second engagement surface.
In addition, in some embodiments, as shown in fig. 1, the tray 40 may include a bottom plate 41, two first side walls 42 opposite to each other, and two second side walls 43 opposite to each other, wherein the first side walls 42, the second side walls 43, and the bottom plate 41 enclose to form a receiving groove. The battery module 10, the first fixing plate 20 and the second fixing plate 30 are all located in the accommodating groove, and the second fixing plate 30 abuts against the first sidewall 42. The length of the first fixing plate 20 is equal to the distance between the opposite second side walls 43.
When the length of first fixed plate 20 equals with the distance between two relative second lateral walls 43, when placing battery module 10 and first fixed plate 20 in the holding tank, two second lateral walls 43 alright with form the clamping action to first fixed plate 20, avoid first fixed plate 20 to rock in the holding tank, and then make second fixed plate 30 and first fixed plate 20 cooperation after, second fixed plate 30 is fixed by first fixed plate 20, thereby avoid second fixed plate 30 to rock, make battery module 10 can be comparatively firm fixed in the holding tank of tray 40.
It should be noted that, when the tray 40 includes two opposite first sidewalls 42, at this time, the connection direction of the first fixing plate 20 to the battery module 10 may be parallel to the direction of one first sidewall 42 toward the other first sidewall 42.
In addition, in some embodiments, the length of the second fixing plate 30 is equal to the length of the first fixing plate 20 in a direction in which one second side wall 43 faces the other second side wall 43.
When the length of second fixed plate 30 is equal to the length of first fixed plate 20, after second fixed plate 30 and first fixed plate 20 cooperation, two second lateral walls 43 can form the clamping action to second fixed plate 30, further avoid second fixed plate 30 to rock in the holding tank, and then further make that battery module 10 can be comparatively firm fixed in holding of tray 40.
In addition, in some embodiments, the height of the first fixing plate 20 is less than or equal to the depth of the receiving groove, and the height of the second fixing plate 30 is equal to the height of the first fixing plate 20.
When the height of the first fixing plate 20 is less than or the depth of the accommodating groove, after the battery module 10 and the first fixing plate 20 are placed in the accommodating groove, the groove walls of the accommodating groove, i.e., the first side wall 42 and the second side wall 43, can protect the first fixing plate 20 to prevent the first fixing plate 20 from being damaged. When the second fixing plate 30 and the first fixing plate 20 have the same height, that is, the height of the second fixing plate 30 is less than or equal to the depth of the accommodating groove, the first side wall 42 and the second side wall 43 can also protect the second fixing plate 30, and the second fixing plate 30 is prevented from being damaged.
In the embodiment of the present invention, since the first fixing plate 20 includes the first mating surface, the second fixing plate 30 includes the second mating surface, the first mating surface is provided with the first engaging structure, the second mating surface is provided with the second engaging structure, and the first engaging structure and the second engaging structure are matched, therefore, the first mating surface and the second mating surface are matched through the first engaging structure and the second engaging structure, so that a self-locking effect can be generated between the first fixing plate 20 and the second fixing plate 30, and further the first fixing plate 20 and the second fixing plate 30 are not easily separated. In addition, because the first fixing plate 20 is connected with the battery module 10, the first fixing plate 20 and the second fixing plate 30 are all located in the tray 40, and the second fixing plate 30 abuts against the tray 40, the second fixing plate 30 can receive the pressure of the side wall of the tray 40, and then the pressure is transmitted to the first fixing plate 20 and the battery module 10, so that the battery module 10 can be fixed in the tray 40 through the positions of the first fixing plate 20 and the second fixing plate 30, that is, the battery module 10 can be firmly fixed in the tray 40 by the first fixing plate 20 and the second fixing plate 30. That is, in the embodiment of the present invention, it is fixed through setting up first fixed plate 20 and second, and the first fitting surface of first fixed plate 20 and the second fitting surface of second fixed plate 30 cooperate through first interlock structure and second interlock structure for battery module 10 can be comparatively firm fix in tray 40, and then can make the position of battery module 10 in tray 40 can be for a long time stable, thereby can improve battery pack's performance.
The embodiment of the utility model provides a battery package, this battery package includes: a top cover and a battery pack as in any of the above embodiments. The top cover is detachably connected with the tray 40 in the battery assembly, and the top cover and the tray 40 form a closed space.
Since the top cover is detachably coupled to the tray 40 in the battery pack, it is possible to facilitate replacement of the battery module 10. In addition, because the top cover and the tray 40 form a closed space, the top cover and the tray 40 can simultaneously protect the battery module 10, the first fixing plate 20 and the second fixing plate 30, and prevent impurities from contacting the battery module 10 and affecting the performance of the battery module 10.
An embodiment of the utility model provides a vehicle, this vehicle includes the battery package in the above-mentioned embodiment.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
While alternative embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including alternative embodiments and all such alterations and modifications as fall within the true scope of the embodiments of the invention.
Finally, it should also be noted that, in this document, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or terminal apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or terminal apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or terminal device comprising the element.
It is right above to the technical scheme that the utility model provides a detailed introduction has been carried out, and it is right to have used specific individual example herein the utility model discloses a principle and implementation mode have been elucidated, simultaneously, to the general technical staff in this field, according to the utility model discloses a principle and implementation mode all have the change part on concrete implementation mode and application scope, to sum up, this description content should not be understood as the restriction of the utility model.
Claims (10)
1. A battery assembly, comprising: the battery fixing device comprises a battery module, a first fixing plate, a second fixing plate and a tray;
the first fixing plate is connected with the battery module, the first fixing plate comprises a first matching surface, the second fixing plate comprises a second matching surface, a first meshing structure is arranged on the first matching surface, a second meshing structure is arranged on the second matching surface, and the first meshing structure is matched with the second meshing structure so that the first fixing plate and the second fixing plate can generate a self-locking effect;
the battery module, the first fixing plate and the second fixing plate are all located in the tray, and the second fixing plate abuts against the side wall of the tray.
2. The battery assembly of claim 1, wherein the first mating surface has a first insection disposed thereon, the first insection forming the first snap-in structure, and the second mating surface has a second insection disposed thereon, the second insection forming the second snap-in structure, the first insection meshing with the second insection.
3. The battery assembly of claim 2, wherein the first fixing plate comprises a connecting side surface, the connecting side surface is opposite to the second mating surface, the connecting side surface is provided with a buffer groove, and the connecting side surface is connected with the battery module.
4. The battery assembly of claim 1, wherein the first mating surface has a recess formed therein that forms the first keying feature and the second mating surface has a boss formed therein that forms the second keying feature, the boss being received in the recess.
5. The battery assembly of claim 1, wherein the tray comprises a bottom plate, two first opposing side walls, and two second opposing side walls, the first side walls, the second side walls, and the bottom plate enclosing a receiving slot;
the battery module, the first fixing plate and the second fixing plate are all positioned in the accommodating groove, and the second fixing plate abuts against the first side wall;
the length of the first fixing plate in the direction from one second side wall to the other second side wall is equal to the distance between the two opposite second side walls.
6. The battery pack according to claim 1, wherein a cross section of the second fixing plate along a direction in which the first engaging structure engages with the second engaging structure is a right trapezoid, a short side of the right trapezoid faces a bottom of the tray, and an inclined surface on which an oblique side of the right trapezoid is located is a second engaging surface.
7. The battery pack according to claim 6, wherein the length of the short right-angled side of the right-angled trapezoidal section of the second fixing plate is not less than the difference between a first distance, which is the distance between the battery module and the side wall of the tray, and the length of the short right-angled side of the right-angled trapezoidal section of the second fixing plate is less than the length of the bottom side of the first fixing plate, which is the length of the surface of the first fixing plate in contact with the tray in the connecting direction along which the first fixing plate is connected with the battery module.
8. The battery assembly of any of claims 1-7, wherein the first mating surface and the second mating surface are both beveled and the first mating surface and the second mating surface are parallel.
9. A battery pack, comprising: a top cover and the battery assembly of any one of claims 1-8;
the top cover is detachably connected with a tray in the battery pack, and the top cover and the tray form a closed space.
10. A vehicle characterized in that it comprises the battery pack recited in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022607844.6U CN213752931U (en) | 2020-11-11 | 2020-11-11 | Battery pack, battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022607844.6U CN213752931U (en) | 2020-11-11 | 2020-11-11 | Battery pack, battery pack and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN213752931U true CN213752931U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022607844.6U Active CN213752931U (en) | 2020-11-11 | 2020-11-11 | Battery pack, battery pack and vehicle |
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| Country | Link |
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| CN (1) | CN213752931U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023060714A1 (en) * | 2021-10-12 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Battery, electrical device, and method and device for fabricating battery |
| CN116437604A (en) * | 2023-04-11 | 2023-07-14 | 宁波甬科声学技术有限公司 | Mounting structure for precision data acquisition control board |
-
2020
- 2020-11-11 CN CN202022607844.6U patent/CN213752931U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023060714A1 (en) * | 2021-10-12 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Battery, electrical device, and method and device for fabricating battery |
| WO2023060659A1 (en) * | 2021-10-12 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Battery, electric device, and method and device for preparing battery |
| CN116437604A (en) * | 2023-04-11 | 2023-07-14 | 宁波甬科声学技术有限公司 | Mounting structure for precision data acquisition control board |
| CN116437604B (en) * | 2023-04-11 | 2023-11-03 | 宁波甬科声学技术有限公司 | Mounting structure for precision data acquisition control board |
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