CN219610577U - Power battery pack system structure - Google Patents
Power battery pack system structure Download PDFInfo
- Publication number
- CN219610577U CN219610577U CN202223553009.4U CN202223553009U CN219610577U CN 219610577 U CN219610577 U CN 219610577U CN 202223553009 U CN202223553009 U CN 202223553009U CN 219610577 U CN219610577 U CN 219610577U
- Authority
- CN
- China
- Prior art keywords
- battery
- module
- system structure
- pack system
- module layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001816 cooling Methods 0.000 claims description 45
- 239000007788 liquid Substances 0.000 claims description 40
- 210000004027 cell Anatomy 0.000 claims description 29
- 239000010445 mica Substances 0.000 claims description 14
- 229910052618 mica group Inorganic materials 0.000 claims description 14
- 210000005056 cell body Anatomy 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims 2
- 238000009792 diffusion process Methods 0.000 abstract description 6
- 239000000178 monomer Substances 0.000 description 15
- 239000000853 adhesive Substances 0.000 description 10
- 230000001070 adhesive effect Effects 0.000 description 10
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003677 Sheet moulding compound Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000012782 phase change material Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000001721 transfer moulding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Hybrid Cells (AREA)
Abstract
The utility model provides a power battery pack system structure, which comprises a box body, wherein the box body is provided with an accommodating space; the first module layer is arranged in the accommodating space, and comprises a plurality of battery modules which are sequentially connected, and adjacent battery modules are arranged at intervals. The power battery pack system structure can solve the technical problem of heat diffusion between battery modules.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a power battery pack system structure.
Background
The power battery is used as a main source of power of the new energy electric automobile, and the battery module with safety, reliability and high energy density is more and more popular in the market. However, during the use of the power battery, the thermal runaway of the battery caused by overcharging, needling, heating abuse and the like endangers the life and property safety of passengers at any time.
The power battery mainly comprises a plurality of battery modules. However, when one of the battery modules is thermally out of control, the heat generated from the battery module is easily diffused to the other battery modules. How to prevent the heat diffusion becomes a technical problem to be solved urgently.
Disclosure of Invention
The embodiment of the utility model provides a power battery pack system structure which can solve the technical problem of heat diffusion between battery modules.
An embodiment of the present utility model provides a power battery pack system structure including:
the box body is provided with an accommodating space;
the first module layer is arranged in the accommodating space, and comprises a plurality of battery modules which are connected in sequence, and the adjacent battery modules are arranged at intervals.
In some embodiments, the distance between adjacent battery modules (21) is 5mm or more.
In some embodiments, the power battery pack system structure (100) further includes a plurality of module tabs (40), each module tab (40) supporting an adjacent battery module (21).
In some embodiments, the two side end surfaces of each battery module (21) are respectively provided with a connecting hole, and each module connecting piece (40) is respectively arranged in the connecting holes of the same side end surface of the adjacent battery module (21) in a penetrating way.
In an embodiment, the power battery pack system structure further includes a first liquid cooling plate, the first liquid cooling plate is disposed in the accommodating space, and the first liquid cooling plate is respectively connected with the box body and the first module layer.
In an embodiment, the battery module includes a plurality of battery monomers, each battery monomer includes a battery monomer main part and cladding in the rete on the battery monomer main part, set up the opening on the rete, first liquid cooling board can wear to locate the opening with the battery monomer main part is connected.
In one embodiment, the battery module (21) includes a plurality of battery cells, the first module layer further includes a plurality of heat insulation pads, and one heat insulation pad is disposed between adjacent battery cells.
In an embodiment, the battery module (21) includes a plurality of battery cells, the power battery package system structure further includes a mica plate, the mica plate set up in on the first module layer, be provided with a plurality of air vents on the mica plate, each battery cell main part still has explosion-proof valve, the air vent with explosion-proof valve one-to-one.
In an embodiment, the power battery pack system structure further includes a second module layer, the second module layer is disposed in the accommodating space, the second module layer is stacked on the first module layer, and the second module layer is electrically connected with the first module layer.
In an embodiment, the power battery pack system structure further includes a second liquid cooling plate, the second liquid cooling plate is disposed in the accommodating space, and the second liquid cooling plate is disposed between the first module layer and the second module layer.
In an embodiment, the power battery pack system structure further includes a pressure sensor disposed in the accommodating space, the pressure sensor being capable of detecting a pressure of the first module layer or the second module layer.
The embodiment of the utility model has the beneficial effects that: in an embodiment of the utility model, the power battery pack system structure comprises a box body and a first module layer, wherein the box body is provided with an accommodating space, and the first module layer is arranged in the accommodating space. The adjacent battery modules in the first module layer are arranged at intervals, so that an air layer is formed between the adjacent battery modules, and the air layer is a poor heat conductor, so that heat diffusion can be effectively blocked. When thermal runaway occurs in one of the battery modules, it is possible to prevent the adjacent battery modules from sequentially undergoing thermal runaway.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a first perspective view of a power battery pack system structure according to an embodiment of the present utility model.
Fig. 2 is an exploded schematic view of fig. 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and description only, and is not intended to limit the utility model. In the present utility model, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device.
The power battery is used as a main source of power of the new energy electric automobile, and the battery module with safety, reliability and high energy density is more and more popular in the market. However, during the use of the power battery, the thermal runaway of the battery caused by overcharging, needling, heating abuse and the like endangers the life and property safety of passengers at any time.
The power battery mainly comprises a plurality of battery modules. However, when one of the battery modules is thermally out of control, the heat generated from the battery module is easily diffused to the other battery modules. How to prevent the heat diffusion becomes a technical problem to be solved urgently.
Accordingly, the present utility model provides a power battery pack system structure, which is described in detail below with reference to the accompanying drawings. Referring to fig. 1 and fig. 2, fig. 1 is a first perspective view of a power battery pack system structure according to an embodiment of the utility model, and fig. 2 is an exploded view of fig. 1.
The present utility model provides a power cell pack system architecture 100. The power battery pack system structure 100 includes a case 10 and a first module layer 20. The case 10 has a receiving space 11, and the first module layer 20 is disposed in the receiving space 11. The first module layer 20 includes a plurality of first battery modules 21 connected in sequence, and adjacent first battery modules 21 are disposed at intervals.
The case 10 includes a lower case 12 and a case cover 13. The lower case 12 and the case cover 13 are assembled to form the accommodating space 11. The lower housing 12 may be welded from multiple frames. The frame bottom is welded with a bottom guard plate to form a complete lower box 12, which is protected from stone impact. The lower case 12 may be made of a high strength and high hardness aluminum alloy (AL 6061-T6). High strength means that the strength can reach 85-110 degrees, and high hardness means that the hardness can reach more than HV90 degrees. The aluminum alloy has good processing effect and oxidation effect.
The material of the cover 13 may be a composite material, and the cover 13 may be formed by resin transfer molding (Resin Transfer Molding, RTM). The composite material can be glass fiber reinforced plastic (Sheet Molding Compound, SMC) or phase change material (Phase Change Material, PCM) and the like.
The first module layer 20 may be formed by sequentially arranging a plurality of first battery modules 21, and the first battery modules 21 may be formed by sequentially arranging one or more first battery cells. The plurality of first battery cells may be connected in series, parallel, or a series-parallel connection, where a series-parallel connection refers to both series connection and parallel connection in the plurality of first battery modules 21. For example, the plurality of first battery cells may be first connected in series or parallel or series-parallel to form the first battery module 21, and then the plurality of first battery modules 21 are connected in series or parallel or series-parallel to form a whole and are accommodated in the accommodating space 11 of the case 10.
The first battery module 21 further includes an end cap, which may be disposed at one side of a plurality of battery cells arranged in sequence. Optionally, the end cover may be made of a material having a certain hardness and strength (such as an aluminum alloy), so that the end cover is not easy to deform when being extruded and collided, so that the first battery module 21 can have a higher structural strength, and the safety performance can be improved. The material of the end cap may be various, such as copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc., which is not particularly limited in the embodiment of the present utility model.
Wherein the distance between adjacent first battery modules 21 is 5mm or more. For example 6mm. The distance between the adjacent first battery modules 21 is the thickness of the air layer between the adjacent first battery modules 21. It is understood that, when the thickness of the air layer is 5mm or more, the air layer of this thickness may block heat generated from the thermal runaway of the adjacent first battery modules 21.
Optionally, the distance between adjacent first battery modules 21 is 10mm or less. For example, the distance between the adjacent first battery modules 21 is 9mm. It can be understood that, when the thickness of the air layer between the adjacent first battery modules 21 is less than or equal to 10mm and greater than or equal to 5mm, the air layer within the thickness range can not only block heat transfer, but also ensure that the volume of the first battery module 21 is smaller, so that the volume of the first battery module 21 is prevented from being excessively large, and the volume of the power battery system structure is further caused to be excessively large.
In some embodiments, the power battery pack system structure 100 further includes a plurality of module connecting tabs (denoted as first module connecting tabs 40), the first module connecting tabs 40 supporting adjacent first battery modules 21. It can be understood that the distance between the adjacent first battery modules 21 is fixed by providing the first module connection tabs 40 on the adjacent first battery modules 21, thereby realizing the existence of an air layer between the adjacent first battery modules 21. The two side end surfaces of each first battery module 21 are respectively provided with a first connecting hole and a second connecting hole, and the first module connecting pieces 40 are respectively penetrated through the connecting holes of the same side end surface of the adjacent first battery modules 21. Since the first module connecting piece 40 has a certain hardness, on the one hand, the interval arrangement of the adjacent first battery modules 21 can be maintained, and on the other hand, the mode in the height direction of the first battery modules 21 can be increased.
In some embodiments, the power battery pack system structure 100 further includes a first liquid cooling plate 30, where the first liquid cooling plate 30 is disposed in the accommodating space 11, and the first liquid cooling plate 30 is connected to the case 10 and the first module layer 20 respectively. It will be appreciated that the first liquid cooling plate 30 has a front surface connected to the first module layer 20 and a back surface connected to the inner wall of the cabinet 10. Alternatively, since the lower case 12 is welded by a multi-section frame, the first liquid-cooling plate 30 may be welded to the multi-section frame. The first liquid cooling plate 30 is coated with an insulating layer, so that the occurrence of leakage short circuit can be avoided. The first liquid cooling plate 30 is used for cooling the first module layer 20.
The first heat-conducting structural adhesive is arranged between the first liquid cooling plate 30 and the first module layer 20, namely, the first liquid cooling plate 30 is adhered to the first module layer 20 through the first heat-conducting structural adhesive, so that the structure and the procedure are simple, the weight of the power battery pack system structure 100 is reduced, and the structure is reliable. The coating area of the first heat conduction structural adhesive reaches more than 80 percent. Wherein, a circle of epoxy resin is enclosed at the edge of the front surface of the first liquid cooling plate 30, and the epoxy resin has a certain height, so that the first heat-conducting structural adhesive can be prevented from overflowing.
The first battery module 21 includes a plurality of battery cells (denoted as first battery cells), and each first battery cell includes a battery cell body (denoted as first battery cell body) and a film layer (denoted as first film layer) covering the battery cell body. The first film layer is provided with an opening (referred to as a first opening), and the first liquid cooling plate 30 can be disposed through the first opening and connected to the first battery cell body. The first film layer has a protective effect on the first battery monomer main body, has excellent performances such as puncture resistance and impact resistance, effectively resists accidental impact, protects battery safety and improves the capacity of the first battery monomer main body. The first film layer may be a blue film or a white film.
It can be appreciated that the first film layer coated on the first battery unit body is opened, so that the first liquid cooling plate 30 can be penetrated through the first opening and connected with the first battery unit body, so that the bonding strength of the first battery unit body and the first liquid cooling plate 30 is increased, and the cooling effect of the first liquid cooling plate 30 on the first module layer 20 is stronger.
The first module layer 20 further includes a plurality of heat insulation pads (denoted as first heat insulation pads), and a first heat insulation pad is disposed between adjacent first battery cells. The first thermal insulation pad may be an aerogel pad. Because the first battery monomer can take place to generate heat the phenomenon at the during operation, avoid the heat accumulation and then appear the thermal runaway phenomenon, so be provided with a first heat insulating mattress between adjacent first battery monomer to effectively avoid taking place the thermal runaway phenomenon.
The power battery pack system structure 100 further includes a mica plate (denoted as a first mica plate) disposed above the first module layer 20, and a plurality of air-guide holes are disposed on the first mica plate, each battery cell body further has an explosion-proof valve, the plurality of air-guide holes are in one-to-one correspondence with the plurality of explosion-proof valves, and each air-guide hole corresponds to one explosion-proof valve. When one of the battery monomers is out of control, the electrolyte rushes open the explosion-proof valve and is sprayed out of the air guide hole. Due to the blocking of the first mica plate, the sprayed electrolyte does not scatter on other charged elements of the first module layer 20, thereby avoiding the occurrence of larger losses such as short-circuit heating. Alternatively, the first mica board may be attached to an inner wall of the case 10, such as an inner wall of the case cover 13.
In some embodiments, the power battery pack system structure 100 further includes a second module layer 50, the second module layer 50 is disposed in the accommodating space 11, the second module layer 50 is stacked on the first module layer 20, and the first module layer 20 is electrically connected to the second module layer 50. The second module layer 50 has the same structure as the first module layer 20. Wherein, by increasing the dimension of the power battery pack system structure 100 in the height direction, that is, by the superposition of the first module layer 20 and the second module layer 50, the battery capacity of the power battery pack system structure 100 is further increased.
The second module layer 50 may be formed by sequentially arranging one or more second battery modules 51, and the second battery module 51 may be formed by sequentially arranging one or more second battery cells. The plurality of second battery cells may be connected in series, parallel, or a series-parallel connection, where a series-parallel connection refers to both series connection and parallel connection in the plurality of second battery modules 51. For example, the plurality of second battery cells may be first connected in series or parallel or series-parallel to form the second battery module 51, and then the plurality of second battery modules 51 are connected in series or parallel or series-parallel to form a whole and are accommodated in the accommodating space 11 of the case 10.
The number of the second battery modules 51 forming the second module layer 50 is plural, the adjacent second battery modules 51 are arranged at intervals, and the distance between the adjacent second battery modules 51 is greater than or equal to 5mm. For example 6mm. The distance between the adjacent second battery modules 51 is the thickness of the air layer between the adjacent second battery modules 51. It is understood that, when the thickness of the air layer is 5mm or more, the air layer of this thickness may block heat generated from the thermal runaway of the adjacent second battery module 51.
Optionally, the distance between the adjacent second battery modules 51 is 10mm or less. For example, the distance between the adjacent second battery modules 51 is 9mm. It can be understood that, when the thickness of the air layer between the adjacent second battery modules 51 is less than or equal to 10mm and greater than or equal to 5mm, the air layer within the thickness range can not only block heat transfer, but also ensure that the volume of the second battery module 51 is smaller, so that the volume of the second battery module 51 is prevented from being excessively large, and the volume of the power battery system structure is further caused to be excessively large.
In some embodiments, the power battery pack system structure 100 further includes a second module connecting piece that connects adjacent second battery modules 51. It can be understood that the distance between the adjacent second battery modules 51 is fixed by providing the second module connecting pieces on the adjacent second battery modules 51, thereby realizing the existence of an air layer between the adjacent second battery modules 51. The two side end surfaces of each second battery module 51 are respectively provided with a second connecting hole and a second connecting hole, and the second module connecting sheets are connected with the connecting holes on the same side of the adjacent second battery modules 51. Because the second module connecting piece has certain hardness, on the one hand, the adjacent second battery modules 51 can be kept to be arranged at intervals, and on the other hand, the mode in the height direction of the second battery modules 51 can be increased.
The power battery pack system structure 100 further includes a second liquid cooling plate 60, the second liquid cooling plate 60 is disposed in the accommodating space 11, and the second liquid cooling plate 60 is disposed between the first module layer 20 and the second module layer 50. It will be appreciated that the second liquid cooling plate 60 has a front face that is connected to the second module layer 50 and a back face that is connected to the first module layer 20. The second liquid cooling plate 60 is used for cooling the first module layer 20 and the second module layer 50.
The second heat-conducting structural adhesive is arranged between the second liquid cooling plate 60 and the second module layer 50, namely, the second liquid cooling plate 60 is adhered to the second module layer 50 through the second heat-conducting structural adhesive, so that the structure and the procedure are simple, the weight of the power battery pack system structure 100 is reduced, and the structure is reliable. The coating area of the second heat conduction structural adhesive reaches more than 80 percent. In addition, a third heat-conducting structural adhesive is disposed between the second module layers 50 of the first liquid cooling plate 30, the first liquid cooling plate 30 is adhered to the first module layer 20 through the third structural adhesive, and the coating area of the third heat-conducting structural adhesive reaches 80%.
The second module layer 50 includes a plurality of second battery cells, and each of the second battery cells includes a second battery cell body and a second film layer coated on the battery cell body. The second film layer is provided with a second opening, and the second liquid cooling plate 60 can be arranged in the second opening in a penetrating manner and connected with the second battery cell body. The second film layer has a protective effect on the second battery monomer main body, has excellent performances such as puncture resistance and impact resistance, effectively resists accidental impact, protects battery safety and improves the capacity of the second battery monomer main body. The second film layer may be a blue film or a white film.
It can be appreciated that the second liquid cooling plate 60 can be arranged in the second opening in a penetrating manner and connected with the second battery unit body by opening the second film layer coated on the second battery unit body, so that the bonding strength between the second battery unit body and the second liquid cooling plate 60 is increased, and the cooling effect of the second liquid cooling plate 60 on the second module layer 50 is stronger.
The second module layer 50 further includes a plurality of second heat insulation pads, and a second heat insulation pad is disposed between adjacent second battery cells. The second thermal insulation pad may be an aerogel pad. Because the second battery monomer can take place to generate heat the phenomenon at the during operation, avoid the heat accumulation and then appear the thermal runaway phenomenon, so be provided with a second heat insulating mattress between adjacent second battery monomer to effectively avoid taking place the thermal runaway phenomenon.
The power battery pack system structure 100 further includes a second mica plate disposed above the second module layer 50, and a plurality of air-guide holes are disposed on the second mica plate, each of the battery cell bodies further has an explosion-proof valve, the plurality of air-guide holes are in one-to-one correspondence with the plurality of explosion-proof valves, and each of the air-guide holes corresponds to one of the explosion-proof valves. When one of the battery monomers is out of control, the electrolyte rushes open the explosion-proof valve and is sprayed out of the air guide hole. Due to the blocking of the second mica plate, the sprayed electrolyte does not scatter on other charged elements of the second module layer 50, thereby avoiding the occurrence of larger losses such as short-circuit heating. Alternatively, the second mica board may be attached to an inner wall of the case 10, such as an inner wall of the case cover 13.
In some embodiments, the power cell pack system structure 100 further includes a pressure sensor 70, the pressure sensor 70 being disposed within the receiving space 11, the pressure sensor 70 being capable of detecting a pressure of the first module layer 20 or the second module layer 50.
The pressure sensor 70 may be disposed on the inner wall of the case 10, or may be disposed on the first module layer 20 or the second module layer 50. The pressure sensor 70 may detect a change in air pressure of the power cell pack system structure 100 to monitor a change in pressure inside the case 10. The pressure sensor 70 is electrically connected to a battery management system (Battery Management System, BMS) to transmit air pressure information. It can be understood that, because the accommodating space 11 is a closed space, if the first module layer 20 and the second module layer 50 in the power battery pack system structure 100 are thermally out of control, the pressure in the accommodating space 11 will be rapidly increased, so that the pressure sensor 70 detects the air pressure information and transmits the air pressure information to the battery management system, the battery management system determines whether the air pressure wants to be abnormal, and if so, an alarm is given to prompt the user to process in time.
The battery management system at least comprises a circuit board, a control chip and an alarm device. The pressure sensor 70 is electrically connected with the control chip, and the pressure sensor 70 receives the air pressure information transmitted from the control chip and judges whether the air pressure information is abnormal; if the alarm is abnormal, the alarm device is controlled to give an alarm.
The embodiment of the utility model also provides an electric device. The electricity utilization device can be a mobile phone, a tablet personal computer, a battery car, a new energy automobile, a ship and the like. The power utilization device comprises the power battery pack system structure 100, and the power battery pack system structure 100 supplies power for the circuit system of the power utilization device. Taking a new energy automobile as an example, the power battery pack system structure 100 can supply power to an operating system of the new energy automobile or to a driving system of the new energy automobile.
In an embodiment of the present utility model, the power battery pack system structure 100 includes a case 10 and a first module layer 20, the case 10 having a receiving space 11, the first module layer 20 being disposed in the receiving space 11. The adjacent first battery modules 21 in the first module layer 20 are arranged at intervals, so that an air layer is formed between the adjacent first battery modules 21, and the air layer is a poor conductor of heat, so that the heat diffusion can be effectively blocked. When thermal runaway occurs in one of the first battery modules 21, it is possible to prevent the adjacent first battery modules 21 from sequentially occurring thermal runaway.
In the description of the present utility model, the terms "first," "second," and the like 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 defining "a first" or "a second" may explicitly or implicitly include one or more features.
The foregoing has outlined rather broadly the more detailed description of embodiments of the utility model, wherein the principles and embodiments of the utility model are explained in detail using specific examples, the above examples being provided solely to facilitate the understanding of the method and core concepts of the utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present utility model, the present description should not be construed as limiting the present utility model.
Claims (11)
1. A power battery pack system configuration (100), comprising:
a case (10), the case (10) having an accommodation space (11);
the first module layer (20), first module layer (20) set up in accommodation space (11), first module layer (20) are including a plurality of battery module (21) that connect gradually, adjacent battery module (21) interval sets up.
2. The power battery pack system structure (100) according to claim 1, wherein a distance between adjacent battery modules (21) is 5mm or more.
3. The power battery pack system structure (100) of claim 1, further comprising a plurality of module tabs (40), each module tab (40) supporting an adjacent battery module (21).
4. The power battery pack system structure (100) according to claim 3, wherein the two side end surfaces of each battery module (21) are respectively provided with a connecting hole, and each module connecting piece (40) is respectively arranged in the connecting holes of the same side end surfaces of the adjacent battery modules (21) in a penetrating manner.
5. The power battery pack system structure (100) according to any one of claims 1 to 4, further comprising a first liquid cooling plate (30), the first liquid cooling plate (30) being disposed in the accommodating space (11), the first liquid cooling plate (30) being connected to the case (10) and the first module layer (20), respectively.
6. The power battery pack system structure (100) according to claim 5, wherein the battery module (21) comprises a plurality of battery cells, each battery cell comprises a battery cell body and a film layer coated on the battery cell body, an opening is formed in the film layer, and the first liquid cooling plate (30) can be arranged in the opening in a penetrating manner and connected with the battery cell body.
7. The power battery pack system structure (100) of any of claims 1-4, wherein the battery module (21) comprises a plurality of battery cells, the first module layer (20) further comprising a plurality of insulation pads, one of the insulation pads being disposed between adjacent ones of the battery cells.
8. The power cell pack system structure (100) according to any one of claims 1 to 4, wherein the battery module (21) includes a plurality of battery cells, the power cell pack system structure (100) further includes a mica plate disposed on the first module layer (20), and a plurality of air-guide holes are provided on the mica plate, and each of the battery cell bodies further has an explosion-proof valve, the air-guide holes being in one-to-one correspondence with the explosion-proof valves.
9. The power battery pack system structure (100) according to any one of claims 1 to 4, further comprising a second module layer (50), the second module layer (50) being disposed in the accommodating space (11), the second module layer (50) being stacked on the first module layer (20), the second module layer (50) being electrically connected with the first module layer (20).
10. The power battery pack system structure (100) of claim 9, further comprising a second liquid cooling plate (60), the second liquid cooling plate (60) being disposed within the receiving space (11), the second liquid cooling plate (60) being disposed between the first module layer (20) and the second module layer (50).
11. The power cell pack system structure (100) of claim 9, further comprising a pressure sensor (70), the pressure sensor (70) being disposed within the receiving space (11), the pressure sensor (70) being capable of detecting a pressure of the first module layer (20) or the second module layer (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223553009.4U CN219610577U (en) | 2022-12-28 | 2022-12-28 | Power battery pack system structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223553009.4U CN219610577U (en) | 2022-12-28 | 2022-12-28 | Power battery pack system structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219610577U true CN219610577U (en) | 2023-08-29 |
Family
ID=87750284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223553009.4U Active CN219610577U (en) | 2022-12-28 | 2022-12-28 | Power battery pack system structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219610577U (en) |
-
2022
- 2022-12-28 CN CN202223553009.4U patent/CN219610577U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20200067040A1 (en) | Battery module and manufacturing method thereof | |
| EP3062361B1 (en) | Frame for secondary battery and battery module comprising same | |
| KR101205180B1 (en) | Cooling Member of Compact Structure and Excellent Stability and Battery Module Employed with the Same | |
| US10622688B2 (en) | Coolant direct-contact cooling-type battery pack | |
| EP3920259A1 (en) | Battery module and power battery pack | |
| EP3958379B1 (en) | Battery module and battery pack including the same | |
| EP4095986A1 (en) | Battery pack and device including same | |
| US20240072327A1 (en) | Battery box, battery module, energy storage system, and electric vehicle | |
| KR20210133886A (en) | Battery pack and device including the same | |
| KR20210074744A (en) | Battery module and battery pack including the same | |
| CN219610577U (en) | Power battery pack system structure | |
| CN213752869U (en) | Power battery module capable of improving expansion | |
| CN215184211U (en) | Battery module | |
| EP4040577A1 (en) | Battery pack and device including same | |
| CN214083320U (en) | Aluminum-plastic film with heat dissipation function | |
| JP2024501535A (en) | Battery module and battery pack containing it | |
| KR20220131782A (en) | Battery module and battery pack including the same | |
| CN220753613U (en) | Battery pack and electricity utilization device | |
| CN215578739U (en) | Heating structure and heat radiation structure of immersed lithium ion battery pack | |
| CN219917302U (en) | Liquid cooling battery module, battery and power consumption device for inhibiting thermal runaway of battery core from spreading | |
| CN211828929U (en) | Battery module and battery package of area heating | |
| CN210897342U (en) | Laminate polymer battery and battery module | |
| CN216055060U (en) | Battery pack and vehicle | |
| CN219716973U (en) | Battery heat radiation structure and battery | |
| CN220121895U (en) | Battery cell, battery and electricity utilization device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |