CN218525664U - Battery pack with two layers of module units and electric device comprising battery pack - Google Patents
Battery pack with two layers of module units and electric device comprising battery pack Download PDFInfo
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- CN218525664U CN218525664U CN202222234643.5U CN202222234643U CN218525664U CN 218525664 U CN218525664 U CN 218525664U CN 202222234643 U CN202222234643 U CN 202222234643U CN 218525664 U CN218525664 U CN 218525664U
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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 provides a battery pack with two layers of module units and an electric device comprising the same, wherein the battery pack with two layers of module units comprises a box body and an upper cover, a lower layer module unit and an upper layer module unit are sequentially stacked in the box body from bottom to top, a supporting plate is arranged between the lower layer module unit and the upper layer module unit, and the supporting plate is used for fixedly supporting the upper layer module unit; the inner wall of the box body is provided with a boss in a surrounding manner along the horizontal direction, and the outer edge of the supporting plate is fixed on the boss; at least one supporting frame is arranged between the upper cover and the supporting plate and used for supporting the upper cover. The utility model discloses a from battery box of taking bearing structure can satisfy the overall arrangement demand of the inside two-layer module unit of box, and the box structure is simpler, and the processing degree of difficulty is lower.
Description
Technical Field
The utility model belongs to the technical field of the battery, a battery package reaches electric actuator including it with two-layer module unit is related to.
Background
At present, the application field of the lithium ion battery in the market is more and more extensive, the lithium ion battery is used in the field of new energy automobiles, and the lithium ion battery is also paid attention by the market. Along with the development of market, demand to electric automobile is higher and higher, in order to satisfy the demand of high electric quantity, high continuation of the journey, high energy density, battery system need improve space utilization, promotes battery system integration efficiency.
The battery system is composed of a box body, a module unit, an electric system, a thermal management system and a battery management system. And according to different requirements of the battery system, carrying out system layout in the battery box. For the layout of the unit structure involving two layers of modules, the fixed structure of the module needs to be added. Common battery box mainly is that aluminum alloy box and panel beating box are given first place to, and in the system of doing the overall arrangement of individual layer module, the overall arrangement is realized very easily to panel beating box and section bar box. When two-layer module units are involved, a support structure is welded on a box body, and then a fixed module structure is used for being connected to the support structure in an overlapping mode, so that the manufactured battery system is complex and various in structure, and the structural strength of the battery system is insufficient.
With the continuous expansion of the demand of the battery system in the field, new requirements are provided for the structure of the lithium ion battery, the structure is required to be simple, the production, the processing and the system assembly are convenient, meanwhile, the utilization rate and the structural strength of the internal space of the battery system also need to be continuously improved, but the existing battery system does not meet the requirements. In order to solve the technical problems of complex structure, inconvenient production and processing, low internal space utilization rate, low structural strength and the like of the current battery system, improvement on the internal structure of the existing battery system is urgently needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a battery pack with two layers of module units, which comprises a box body and an upper cover, wherein a lower layer module unit and an upper layer module unit are sequentially stacked from bottom to top in the box body; the inner wall of the box body is provided with a boss in a surrounding mode along the horizontal direction, and the outer edge of the supporting plate is fixed on the boss; at least one supporting frame is arranged between the upper cover and the supporting plate and used for supporting the upper cover.
As a preferred technical scheme of battery package, the outer fringe of backup pad put up in the boss surface, and will through the bolt the backup pad is fixed in the boss surface.
As the preferred technical scheme of battery package, the width of boss is more than or equal to 20mm.
As a preferred technical scheme of battery package, the box has the bottom plate, be equipped with a supporting beam along length direction on the bottom plate, the bottom surface of backup pad with a supporting beam's top surface butt is fixed.
As the preferred technical scheme of battery package, the support frame is followed box length direction sets up side by side.
As the preferred technical scheme of battery package, the bottom plate with between the lower floor's module unit, and the upper cover with all be provided with the liquid cooling board between the upper module unit.
As the preferred technical scheme of battery package, the backup pad with between the upper module unit, and the backup pad with all be provided with the liquid cooling board between the lower floor's module unit.
As the preferred technical scheme of battery package, the backup pad is the liquid cooling board.
As the preferred technical scheme of battery package, upper module unit with lower floor's module unit all includes two at least battery module that set up side by side along the horizontal direction.
In a second aspect, the present invention provides an electric device including the first aspect, the battery pack having two layers of module units.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a from battery box of taking bearing structure can satisfy the overall arrangement demand of the inside two-layer module unit of box, and the box structure is simpler, and the processing degree of difficulty is lower. The utility model discloses in separate the chamber that holds in the box for a plurality of layers accommodation space in vertical direction through the backup pad, every layer of accommodation space homoenergetic enough is used for installing the module unit, can be more abundant reasonable utilize the space in the box, space utilization is higher, can reduce the weight and the volume of battery package, improves the energy density of battery package, under the condition that does not improve battery package weight and volume, can improve the electric quantity of battery box, reduces the raw and other materials consumption of battery box, practices thrift the cost. Secondly, in order to fix the backup pad in the box better, the utility model discloses it is used for setting up the backup pad to be equipped with the boss at battery box inner wall, lateral wall all around with the outer fringe of backup pad and box through the boss is connected, the backup pad can improve the overall structure intensity of box, especially to the battery box that has two-layer module unit and arrange, the box that its all side wall height degree all around was arranged often than the individual layer is higher, be out of shape more easily when receiving the extrusion, set up the backup pad in box middle part region, can make the box when resisting the extrusion force of horizontal direction (X direction and Y direction), play powerful supporting role to box lateral wall all around, and simultaneously, in vertical direction (Z direction), the backup pad can support the module unit on upper strata, make the weight load of module unit transmit on the box, improve battery system and resist vibration and impact. And again, the utility model discloses a support frame assistance-boss fixed support board for the both sides surface of backup pad is all fixed by the stable stay, and the cooperation through support frame and boss compromises two-layer module unit bearing, erection bracing, location and fixed action, has effectively reduced the inside support quantity of box, has reduced occuping of box inner space, has effectively improved the radiating efficiency of battery module simultaneously, finally effectively improves the life and the security of battery package.
Drawings
Fig. 1 is an exploded view of a battery pack according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a case according to an embodiment of the present invention;
wherein, 1-a box body; 2-a battery pack disconnection unit; 3-a support plate; 4-an upper module unit; 5, covering the upper cover; 6-a support frame; 7-lower module unit; 8-boss; 9-supporting beam.
Detailed Description
It is to be understood that in the description of the present invention, the terms "central," "longitudinal," "lateral," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings only for the convenience of description and simplicity of description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
It should be noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected" and "connected" in the description of the present invention are to be construed broadly, and may for example be fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The technical solution of the present invention is further described below by the specific embodiments, and it is obvious that the described embodiments are only some of the embodiments of the present invention, not all embodiments, and the contents of the embodiments do not constitute the limitation of the present invention.
The battery system is composed of a box body, a module unit, an electric system, a thermal management system and a battery management system. And according to different requirements of the battery system, carrying out system layout in the battery box. For the layout of the unit structure involving two layers of modules, the fixed structure of the module needs to be added. The common battery box mainly comprises an aluminum alloy box body and a metal plate box body, and the layout of the metal plate box body and the profile box body is easy to realize in a system for single-layer module layout. When two-layer module unit is related to, the common fixing method is to weld the supporting structure on the box body and then use the fixed module structure to lap joint on the supporting structure, the structure of the manufactured battery system is complex and various, and the structural strength has insufficient risk.
At least in order to solve the above problem, the present invention provides a battery pack having two layers of module units in one embodiment, as shown in fig. 1, the battery pack having two layers of module units includes a box body 1 and an upper cover 5, a lower layer module unit 7 and an upper layer module unit 4 are sequentially stacked from bottom to top in the box body 1, a support plate 3 is disposed between the lower layer module unit 7 and the upper layer module unit 4, and the support plate 3 is used for fixedly supporting the upper layer module unit 4; a boss 8 is arranged on the inner wall of the box body 1 in a surrounding mode along the horizontal direction, and the outer edge of the supporting plate 3 is fixed on the boss 8; at least one supporting frame 6 is arranged between the upper cover 5 and the supporting plate 3, and the supporting frame 6 is used for supporting the upper cover 5.
The utility model discloses a from battery box 1 of taking bearing structure can satisfy the overall arrangement demand of the inside two-layer module unit of box 1, and box 1 structure is simpler, and the processing degree of difficulty is lower. The utility model discloses in separate the chamber that holds in the box 1 for a plurality of layers accommodation space in vertical direction through backup pad 3, every layer of accommodation space homoenergetic enough is used for installing the module unit, can be more abundant reasonable utilize the space in the box 1, space utilization is higher, can reduce the weight and the volume of battery package, improve the energy density of battery package, under the condition that does not improve battery package weight and volume, can improve the electric quantity of battery box, reduce the raw and other materials consumption of battery box, practice thrift the cost. Secondly, for backup pad 3 in the better fixed box 1, the utility model discloses be equipped with boss 8 at 1 inner wall of battery box and be used for setting up backup pad 3, be connected the outer fringe of backup pad 3 with the lateral wall all around of box 1 through boss 8, backup pad 3 can improve the overall structure intensity of box 1, especially to battery box 1 that has two-layer module unit and arrange, its all sides lateral wall height often is higher than the box 1 that the individual layer was arranged, it is more easy to warp when receiving the extrusion, set up backup pad 3 at box 1 middle part region, can make box 1 when resisting the extrusion force of horizontal direction (X direction and Y direction), play powerful supporting role to box 1 all around lateral wall, and simultaneously, in vertical direction (Z direction), backup pad 3 can support upper module unit 4, make on the weight load transmission of upper module unit 4 box 1, improve battery system vibration resistance and impact. Thirdly, the utility model discloses a support frame 6 assists 8 fixed support plate 3 of boss for the both sides surface of backup pad 3 is all fixed by the outrigger, and the cooperation through support frame 6 and boss 8 is taken into account two-layer module unit bearing, erection bracing, location and fixed action, has effectively reduced the inside support quantity of box 1, has reduced 1 inner space's of box occupation, has effectively improved the radiating efficiency of battery module simultaneously, finally effectively improves the life and the security of battery package. The box body 1 is not internally provided with a complex fixed structure, so that the layout space of the module is improved, and the volume grouping rate of the battery system is improved.
It should be noted that the present invention does not specifically require and limit the arrangement and internal structure of the module units in the case 1. Preferably, the utility model discloses in, module unit adopts the horizontal arrangement mode, and a plurality of module units stack along the direction of height of box 1 promptly, can adjust the height of battery package through the individual layer height of adjusting module unit and the number of piles adaptability from this. The utility model discloses in each module unit optionally includes 2 ~ 4 series connection's battery module, every battery module contains a plurality of battery cell, can realize the electrical property series connection through busbar welding or riveting between the battery cell, the voltage of battery package can be adjusted through the number of adjusting the battery cell series connection, but the too much number of series connection's battery cell can lead to the calorific capacity of module unit to promote and the degree of difficulty of structure assembly and after-sales repair, consequently need control battery cell's series connection number be 2 ~ 40, battery cell's number is for example 2, 6, 10, 14, 20, 26, 30, 36 etc.
It should be noted that the utility model discloses an embodiment provides an upper module unit 4 is the same with lower floor's module unit 7 structure homogeneous phase to make things convenient for the modularization preparation, reduction in production cost makes things convenient for the battery packing to join in marriage.
It should be noted that the utility model provides a still be provided with other electrical components in the battery package, for example the battery package unit 2 that opens circuit, BDU unit for short, BDU unit can be when wrong is reported to inside power battery system of electric automobile, cuts off inside electric current and plays the effect of guaranteeing system safety. As a device for switching off and switching on high voltage of a power battery, the BDU unit is positioned in the battery pack, is a working unit for high voltage distribution, switching off and short circuit protection of a battery system, plays an important role in safety of the battery pack, and is a more critical part in the battery pack. The BDU unit integrates parts such as a relay, a pre-charging resistor, a current sensor, a fuse, a high-voltage copper bar, a low-voltage connector, a high-voltage sampling connector, a wiring harness assembly and the like.
In one embodiment, the outer edge of the support plate 3 is bridged on the surface of the boss 8, and the support plate 3 is fixed on the surface of the boss 8 through bolts.
In one embodiment, the width of the projection 8 is 20mm or more, for example 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm, 29mm or 30mm, but is not limited to the values listed, and other values not listed in this range are equally applicable.
The utility model discloses design boss 8 at the internal face of box 1 and formed the four sides and support, fix the backup pad 3 that supports upper module unit 4 on the boss 8 of box 1 inner wall, adopt the bolt to be fixed in box 1 with backup pad 3 inside, fixed structure layout who realizes two-layer module unit. The structural strength of the battery box body 1 can be further enhanced by the design of the boss 8 in the box body 1, and after the boss 8 is added according to simulation comparison, the anti-extrusion capacity of the battery box body 1 in the X direction and the Y direction is improved to 250kN from 100 kN.
The utility model particularly limits the width of the boss 8 to be more than or equal to 20mm, and aims to increase the contact area with the support plate 3 and ensure the stability of the support plate 3; and secondly, the height of the flange surface of the boss 8 and the box body 1 is smaller and better under the limitation of processing equipment, so that the processing is convenient, the width of the boss 8 needs to be widened when the height is too high, tools such as equipment drilling and tapping need to be lengthened, and a deep hole drilling mode is adopted.
In one embodiment, as shown in fig. 2, the box body 1 has a bottom plate on which a support beam 9 is provided along a length direction, and a bottom surface of the support plate 3 is fixed in abutment with a top surface of the support beam 9.
The utility model discloses set up a supporting beam 9 at the middle part of 1 bottom of box along length direction, a supporting beam 9 height and 8 parallel and level of boss, backup pad 3 and a supporting beam 9 direct contact form the bearing structure in T shape cross-section. The contact surface of the support plate 3 and the support beam 9 is fastened by bolts, so that the structural stability of the support plate 3 is enhanced, and the structural safety of the battery system is improved. In addition, the boss 8 in the utility model is used for fixing the edge of the supporting plate 3, the supporting beam 9 is used for fixing the middle area of the supporting plate 3, the supporting plate 3 can be supported and fixed in all directions through the matching of the boss 8 and the supporting beam 9, and the supporting beam 9 and the supporting plate 3 can also effectively transmit external impact, so that the deformation of the box body 1 is prevented, the overall structural strength of the battery pack is improved, and the safety is improved; in addition, a plurality of cross beams in the traditional battery pack are omitted, the internal space of the box body 1 is greatly saved, and the space utilization rate of the battery pack is improved so as to adapt to an application scene with a smaller installation area.
In one embodiment, the support frames 6 are arranged side by side along the length direction of the box body 1.
In one embodiment, liquid cooling plates are disposed between the bottom plate and the lower module unit 7, and between the upper cover 5 and the upper module unit 4.
In one embodiment, liquid cooling plates are disposed between the supporting plate 3 and the upper module unit 4, and between the supporting plate 3 and the lower module unit 7.
The utility model discloses in, the parallel liquid cooling pipe that inserts of liquid cooling board realizes parallel connection, optionally, sets up heat transfer device and is connected with the liquid cooling board in 1 outside of box, and the one end of each liquid cooling board is parallel to be inserted the liquid cooling pipe, and heat transfer device is connected to the other end. All be equipped with the medium runner in each liquid cooling board, medium runner both ends mouth is inlet and liquid outlet respectively, and liquid cooling pipe is connected to the inlet, and the entrance point access water tank of liquid cooling pipe still is provided with control valve and delivery pump on the liquid cooling pipe, and the coolant flow in the control valve control liquid cooling pipe, when module unit calorific capacity was too big, accessible regulation control valve improved the coolant flow, reduced module unit's temperature, improved the radiating efficiency. In addition, the control valve can also control the flow of the cooling liquid entering different liquid cooling plates, and the flow of the cooling liquid in the corresponding liquid cooling plates is independently controlled according to the heat productivity of different module units. The liquid outlet of each layer of liquid cooling plate is connected with the heat exchange device, and cooling liquid flows into the liquid cooling plate from the liquid inlet, flows out from the liquid outlet through the medium flow channel and then enters the heat exchange device to exchange heat and cool. Preferably, the liquid inlet and the liquid outlet of the liquid cooling plate are arranged on the same side of the liquid cooling plate, so that the length of the medium flow channel can be prolonged as far as possible, the heat dissipation area is further increased, and the heat dissipation efficiency is improved.
It should be understood, of course, that the above detailed description of the connection relationship of the liquid cooling plates and other related auxiliary structures does not fall within the scope of the present invention, nor should it be taken as a further limitation of the scope of the present invention.
In one embodiment, the support plate 3 is a liquid-cooled plate.
The utility model discloses in, backup pad 3 can the integrated liquid cooling plate structure, and backup pad 3 is the liquid cooling board promptly, at 3 internal arrangement cold night runners of backup pad, also plays the effect of heat dissipation cooling when playing support fixed action to upper module unit 4. Of course, it is also possible to additionally provide new liquid cooling plates on the surface and/or the bottom of the support plate 3. But the preferred integrated liquid cooling plate structure that adopts, its advantage lies in, on the one hand, the function of liquid cooling plate and backup pad 3 unites two into one, in 1 inner space of compact box, has saved extra liquid cooling system, has reduced battery package weight, when improving battery package whole energy density, has guaranteed the equal effect of cooling heat dissipation of module unit. On the premise of not increasing an additional liquid cooling system, the heat dissipation and cooling equipment is arranged by fully utilizing the supporting plate 3 between the two layers of module units, and the performance and efficiency of the heat management system of the new energy passenger vehicle are improved. On the other hand, upper module unit 4 and lower floor's module unit 7 can share a liquid cooling board (backup pad 3), and module unit and liquid cooling board direct contact can directly transmit the heat of module unit to the liquid cooling board and derive to carry out independent cooling to each module unit, absorb the heat from the inside of module unit effectively, and in time conduct the module unit with the heat through the cold liquid runner in each layer liquid cooling inboard. Let the temperature of electric core in the module unit in the course of the work evenly distributed, improve the service condition of module unit effectively, prolong the life of module unit. Especially after taking place the thermal runaway, more can take away the heat in the module unit fast, and then delay the thermal runaway of whole battery package, not only heat conduction efficiency is high and battery inner structure is simple, the equipment degree of difficulty is little, can also adapt to the demand that battery system height reduced better.
Furthermore, the utility model discloses be provided with the heat-conducting layer between liquid cooling board and module unit optionally, can transmit the heat that single module unit produced fast to the liquid cooling board and dispel the heat through the liquid cooling board through setting up the heat-conducting layer, in case certain module unit high temperature takes place the conflagration, can effectively slow down flame or heat transfer to adjacent module unit, when preventing the harm diffusion, increased the emergent reply time that harm took place.
It should be noted that the present invention does not require and limit the structure of the liquid cooling plate, and the liquid cooling plate and other cooling and heat dissipating structures with similar functions, which are disclosed in the prior art or not disclosed in the new technology, can be used in the present invention. Illustratively, the utility model provides a concrete structure of optional liquid cooling board: a snake-shaped water-cooling flow channel is formed in the liquid-cooling plate, and an inlet connector and an outlet connector are arranged on the liquid-cooling plate. At least one side of the liquid cooling plate is provided with a buffer layer, and when the liquid cooling plate cools or heats the module unit, the buffer layer can absorb impact energy.
In one embodiment, each of the upper module unit 4 and the lower module unit 7 includes at least two battery modules arranged side by side in a horizontal direction.
In another embodiment, the present invention provides an electric device, which includes the battery pack having two layers of module units provided in the above embodiments.
The utility model discloses in, from top to bottom range upon range of being provided with two-layer module unit in the battery package, the inner space of 1 direction of height of make full use of box, can fix spacingly to upper module unit 4 and lower floor's module unit 7 through setting up boss 8 and backup pad 3 convenient and reliable ground, ensure upper module unit 4 and lower floor's module unit 7 formula structure as an organic whole, make upper module unit 4 transmit to box 1 lateral wall through backup pad 3 and boss 8 completely to lower floor's module unit 7's pressure simultaneously, the holistic structural strength of module unit has been improved, it is swift simple and convenient to install and dismantle simultaneously, high assembly efficiency, the double-deck module unit fixed knot of power battery of the mass production of being convenient for constructs. Guarantee that battery package structure can be applicable to the higher passenger car in vehicle bottom space, the adaptation of doing is in than large-scale cars such as passenger car space bigger, more three-dimensional commercial car, special type car, uses the scene more extensively, the practicality is higher.
Examples
This embodiment provides a battery pack, battery pack includes box 1 and upper cover 5, box 1 bottom is equipped with the bottom plate, as shown in fig. 1 and fig. 2, box 1 is inside stacks gradually by lower floor's module unit 7, backup pad 3 and upper module unit 4 from lower supreme.
The inner wall of the box body 1 is provided with a boss 8 in a surrounding mode along the horizontal direction, the outer edge of the supporting plate 3 is fixed on the boss 8 through bolts, a supporting beam 9 is arranged on the bottom plate of the box body 1 in the extending degree direction, and the bottom surface of the supporting plate 3 is abutted to the top surface of the supporting beam 9 and fixed through bolts. Four support frames 6 are arranged between the upper cover 5 and the support plate 3 side by side along the length direction.
The overall arrangement structure of double-deck module unit about the battery package that this embodiment provided adopts, upper module unit 4's gravity passes through backup pad 3, a supporting beam 9 and boss 8 transmit to 1 lateral wall of box, after the installation of battery package is accomplished, boss 8, support frame 6, a supporting beam 9 and backup pad 3 bear the weight of the structure as the gravity, upper module unit 4 passes through boss 8 completely to lower floor's module unit 7's pressure, support frame 6, a supporting beam 9 and 3 transmission of backup pad and uninstallation loads, can not direct action on lower floor's module unit 7, thereby play the guard action to lower floor's module unit 7, improve the holistic structural strength of box 1 simultaneously, prevent that box 1 from receiving external force to lead to warping. In addition, the fixed mounting and dismounting modes between the lug boss 8 and the support plate 3 and between the support beam 9 and the support plate 3 are simple, convenient and quick, the assembly efficiency is high, and the mass production is convenient.
The applicant states that the above description is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that any changes or substitutions easily conceivable by those skilled in the art within the technical scope of the present invention are within the protection scope and the disclosure scope of the present invention.
Claims (10)
1. A battery pack with two layers of module units is characterized in that the battery pack with two layers of module units comprises a box body and an upper cover, wherein a lower layer module unit and an upper layer module unit are sequentially stacked in the box body from bottom to top; the inner wall of the box body is provided with a boss in a surrounding manner along the horizontal direction, and the outer edge of the supporting plate is fixed on the boss; at least one supporting frame is arranged between the upper cover and the supporting plate and used for supporting the upper cover.
2. The battery pack having two layers of module units according to claim 1, wherein the outer edges of the support plates are mounted on the boss surfaces and the support plates are fixed to the boss surfaces by bolts.
3. The battery pack having two layers of module units according to claim 1, wherein the width of the bosses is not less than 20mm.
4. The battery pack having two layers of module units according to claim 1, wherein the case has a bottom plate on which a support beam is provided in a longitudinal direction, and a bottom surface of the support plate is fixed in abutment with a top surface of the support beam.
5. The battery pack having two layers of module units according to claim 1, wherein the support frames are arranged side by side along the length direction of the case.
6. The battery pack having two layers of module units according to claim 4, wherein liquid cooling plates are disposed between the bottom plate and the lower layer of module units, and between the upper cover and the upper layer of module units.
7. The battery pack having two layers of module units according to claim 1, wherein a liquid cooling plate is disposed between the support plate and the upper layer module unit, and between the support plate and the lower layer module unit.
8. The battery pack having two layers of module units according to claim 1, wherein the support plate is a liquid-cooled plate.
9. The battery pack having two layers of module units according to claim 1, wherein the upper layer module unit and the lower layer module unit each include at least two battery modules arranged side by side in a horizontal direction.
10. An electric device comprising the battery pack having two layers of module units according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222234643.5U CN218525664U (en) | 2022-08-24 | 2022-08-24 | Battery pack with two layers of module units and electric device comprising battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222234643.5U CN218525664U (en) | 2022-08-24 | 2022-08-24 | Battery pack with two layers of module units and electric device comprising battery pack |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115117510A (en) * | 2022-07-20 | 2022-09-27 | 天津市捷威动力工业有限公司 | Battery pack and electric device comprising same |
| WO2024139153A1 (en) * | 2022-12-27 | 2024-07-04 | 天津市捷威动力工业有限公司 | Profile battery box body hoisting structure |
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2022
- 2022-08-24 CN CN202222234643.5U patent/CN218525664U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115117510A (en) * | 2022-07-20 | 2022-09-27 | 天津市捷威动力工业有限公司 | Battery pack and electric device comprising same |
| WO2024016908A1 (en) * | 2022-07-20 | 2024-01-25 | 天津市捷威动力工业有限公司 | Battery pack and electric device comprising same |
| WO2024139153A1 (en) * | 2022-12-27 | 2024-07-04 | 天津市捷威动力工业有限公司 | Profile battery box body hoisting structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240726 Address after: 313100 Green Intelligent Manufacturing Industrial Park, South Taihu industrial cluster, Changxing County Development Zone, Huzhou City, Zhejiang Province Patentee after: Jiewei Power (Changxing) Co.,Ltd. Country or region after: China Address before: No.11, Kaiyuan Road, Xiqing automobile industrial zone, Xiqing District, Tianjin 300380 Patentee before: TIANJIN EV ENERGIES Co.,Ltd. Country or region before: China |