CN216648487U - Novel battery system group structure and electric chassis - Google Patents
Novel battery system group structure and electric chassis Download PDFInfo
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- CN216648487U CN216648487U CN202220024342.7U CN202220024342U CN216648487U CN 216648487 U CN216648487 U CN 216648487U CN 202220024342 U CN202220024342 U CN 202220024342U CN 216648487 U CN216648487 U CN 216648487U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model provides a novel battery system grouping structure and an electric chassis, and relates to the technical field of batteries. The novel battery system grouping structure comprises a tray, a main selection battery cell and an alternative battery cell. The main selection battery core and/or the alternative battery core are/is used for supplying power to the electric equipment. Through tray holding primary election electric core and alternative electric core, can protect primary election electric core and alternative electric core to avoid receiving the damage. The tray includes interconnect's first holding region and second holding region, and the electric core holding of will giving first place to choose is regional in the first holding that has a large area on the tray, and the second holding that has less area on the tray with the holding space of make full use of tray, improves the space utilization of tray, and makes main electricity core and the holding of alternative electric core compact, improves and organizes efficiency, thereby promotes novel battery system battery configuration's electric quantity effectively.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a novel battery system grouping structure and an electric chassis.
Background
The power battery grouping technology is a key technology for the development of the electric automobile industry, however, the existing battery pack is generally single in group and complex in grouping structure, so that the space utilization rate of the battery pack is low, the energy storage of the battery pack is low, and more internal space is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel battery system grouping structure and an electric chassis, which can improve the space utilization rate of a battery pack and improve grouping efficiency, thereby effectively improving electric quantity.
The embodiment of the utility model is realized by the following steps:
in a first aspect, the utility model provides a novel battery system grouping structure, which comprises a tray, a main selection battery cell and an alternative battery cell;
the tray comprises a first accommodating area and a second accommodating area which are connected with each other, the main cell is accommodated in the first accommodating area, the standby cell is accommodated in the second accommodating area, and the first accommodating area is larger than the second accommodating area;
the main selection battery cell and/or the alternative battery cell are used for supplying power to electric equipment.
In an optional embodiment, the main selection cell includes one of a blade cell, a square cell, a soft-package cell and a cylindrical cell; the alternative battery cell comprises one or more of a square battery cell, a soft-package battery cell and a cylindrical battery cell.
In an optional embodiment, the circuits where the main selected cell and the alternative cell are located are connected in series or in parallel;
or the circuits where the main selected battery cell and the alternative battery cell are located are mutually independent.
In an optional embodiment, the sum of the capacities of the alternative battery cells connected in parallel is greater than the sum of the capacities of the main battery cells connected in parallel.
In an optional embodiment, the sum of the electric quantities of the main selection cells accounts for 70% or more of the sum of the total electric quantities of the main selection cells and the alternative cells.
In an alternative embodiment, the novel battery system grouping structure is formed by a module consisting of the main selected cell and the alternative cell;
or, the novel battery system grouping structure is formed by the main selection battery cell and the alternative battery cell.
In an optional embodiment, the structure of the first accommodating area comprises a single-area structure and a multi-area structure, the single-area structure is in a square shape, and the multi-area structure is in a field shape, a Chinese character 'ri', a Chinese character 'mu' shape or a binocular shape; the number of the second accommodating areas is at least one, and the shape of the second accommodating areas is square, trapezoid, rhombus or oval.
In an optional embodiment, the first receiving area is located in a middle area of the tray, and the second receiving area is located at one end or two ends of the tray, or at the top of the first receiving area.
In an alternative embodiment, the novel battery system grouping structure further includes an electrical control module, and the tray further includes a third receiving area, in which the electrical control module is received.
In a second aspect, the present invention provides a power chassis including a novel battery system pack structure as described in any one of the preceding embodiments.
The novel battery system grouping structure and the electric chassis provided by the embodiment of the utility model have the beneficial effects that: the main selection battery cell and the alternative battery cell can be protected by holding the main selection battery cell and the alternative battery cell through the tray so as to avoid damage. The main battery cell holding is arranged in the first holding area with a large area on the tray, the alternative battery cell holding is arranged in the second holding area with a small area on the tray, so that the holding space of the tray is fully utilized, the space utilization rate of the tray is improved, the main battery cell and the alternative battery cell holding are compact, the grouping efficiency is improved, and the electric quantity of a novel battery system grouping structure is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram 1 of a novel battery system grouping structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram 2 of a novel battery system grouping structure according to an embodiment of the present invention.
Icon: 100-novel battery system grouping structure; 110-a tray; 111-a first containment area; 112-a second accommodation area; 113-a third accommodation area; 120-main selection of electric core; 130-alternative cells; 140-a control module; 141-BMS; 142-BDU.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, the present invention provides a novel battery system grouping structure 100, which is applied to the fields of electric vehicles, energy storage, etc., and is particularly suitable for a conventional reformed fuel vehicle, an automobile or an equipment with a special-shaped space.
The novel battery system grouping structure 100 includes a tray 110, a main select cell 120, an alternative cell 130, and a control module 140.
The tray 110 includes a first receiving area 111 and a second receiving area 112 connected to each other, the main cell 120 is received in the first receiving area 111, the optional cell 130 is received in the second receiving area 112, and the first receiving area 111 is larger than the second receiving area 112. The main battery cell 120 and/or the alternative battery cell 130 are used to supply power to the electrical equipment.
Further, the first receiving area 111 is larger than the second receiving area 112.
In this embodiment, the tray 110 may serve as a housing of the novel battery system grouping structure 100 to accommodate the main selection battery cell 120 and the alternative battery cell 130, and protect the main selection battery cell 120 and the alternative battery cell 130, so as to prevent the main selection battery cell 120 and the alternative battery cell 130 from being damaged. The main battery cell 120 is accommodated in the first accommodating area 111 with a large area on the tray 110, and the optional battery cell 130 is accommodated in the second accommodating area 112 with a small area on the tray 110, so that the accommodating space of the tray 110 is fully utilized, the space utilization rate of the tray 110 is improved, the grouping efficiency is improved, and the electric quantity of the novel battery system grouping structure 100 is improved.
In addition, since the shape of the main selection battery cell 120 is adapted to the shape of the first accommodation region 111, and the shape of the alternative battery cell 130 is adapted to the shape of the second accommodation region 112, the volume of the main selection battery cell 120 is larger than the volume of the alternative battery cell 130, so as to ensure that the electric quantity of the main selection battery cell 120 is larger than the electric quantity of the alternative battery cell 130, and ensure that the main selection battery cell 120 can stably supply power to the electric equipment.
Further, the main selection cell 120 includes one of a blade cell, a square cell, a soft-package cell, and a cylindrical cell. The alternative cells 130 include one or more of square cells, soft-packed cells, and cylindrical cells.
In this embodiment, one type of the main selection cell 120 is usually selected, and since the first accommodating area 111 is a square area, a blade cell or a square cell with a larger volume and a square shape is usually selected as the main selection cell 120. At least one type of the alternative battery cell 130 is provided, and since the second accommodating area 112 has a non-cubic structure, a cylindrical battery cell or a soft package battery cell which can be conveniently customized or combined is usually selected as the alternative battery cell 130. Therefore, different types of cells are placed according to the specific structures of the first accommodating area 111 and the second accommodating area 112, so that the main cell 120 and the alternative cell 130 are accommodated compactly, and the space utilization rate is improved.
For example: as shown in fig. 1, the main cell 120 is a blade cell and is accommodated in the first accommodation area 111, and the alternative cell 130 is a cylindrical cell and is accommodated in the second accommodation area 112; or as shown in fig. 2, the main cell 120 is a square cell, and the alternative cell 130 is a cylindrical cell; or the main battery cell 120 is a blade battery cell, and the optional battery cell 130 is a soft-package battery cell, etc. That is, the selection of the types of the main cell 120 and the alternative cell 130 may be a permutation and combination of the above-mentioned multiple cells, which is not illustrated and not specifically limited herein.
Further, the circuits in which the main selection cell 120 and the alternative cell 130 are located are connected in series or in parallel, or the circuits in which the main selection cell 120 and the alternative cell 130 are located are independent of each other.
In this embodiment, the main selection battery cell 120 and the alternative battery cell 130 may be connected in series or in parallel to jointly supply power to the same power consumption system, and the circuits where the main selection battery cell 120 and the alternative battery cell 130 are located are also set to be independent of each other, so as to supply power to the power consumption devices individually, thereby adapting to different power consumption devices and improving the practicability of the novel battery system grouping structure 100.
Further, the sum of the capacities of the alternative battery cells 130 connected in parallel is greater than the sum of the capacities of the main option battery cells 120 connected in parallel.
In this embodiment, when the main battery cell 120 and the alternative battery cell 130 are used by the same power consumption system, in order to ensure that the performance of the main battery cell 120 is fully exerted, the parallel performance of the alternative battery cell 130 is slightly better than that of the main battery cell 120, that is, the sum of the capacities of the alternative battery cells 130 after parallel connection is slightly larger than that of the main battery cell 120 after parallel connection. Moreover, the cell direct-current internal resistance of the alternative battery cell 130 may be slightly smaller than the cell direct-current internal resistance of the main selection battery cell 120, or the service life of the alternative battery cell 130 is slightly longer than the service life of the main selection battery cell 120.
Further, the sum of the electric quantities of the main selected cell 120 accounts for 70% or more of the sum of the total electric quantities of the main selected cell 120 and the alternative cell 130.
In this embodiment, the main selection cell 120 mainly supplies power to the electric equipment, so the sum of the electric quantities of the main selection cell 120 is greater than the sum of the electric quantities of the alternative cells 130, so as to ensure that the main selection cell 120 can stably supply power to the electric equipment, and the alternative cells 130 assist in power utilization, emergency power utilization, power supply to other electric equipment, and the like.
The battery capacity is the product of current and time, and the unit is Ah, when the battery is discharged from a full-charge state to a cut-off voltage at a certain current under a certain temperature; the battery power is the energy that the battery discharges from a full state of charge to a cut-off voltage at a constant temperature with a constant current, and the unit is Wh.
Further, the novel battery system grouping structure 100 is formed by a module consisting of the main selected cell 120 and the alternative cell 130. Or the novel battery system unitized structure 100 is formed from a primary battery cell 120 and an alternate battery cell 130.
In this embodiment, the grouping manner of the main selection battery cell 120 and the alternative battery cell 130 may adopt a first grouping mode, and then the slave module forms the novel battery system grouping structure 100, or the main selection battery cell 120 and the alternative battery cell 130 directly form the novel battery system grouping structure 100, that is, the novel battery system grouping structure 100 may be regarded as a grouped battery pack, the main selection battery cell 120 and the alternative battery cell 130 may form a second grouping mode, or the main selection battery cell 120 and the alternative battery cell 130 may directly form a battery pack, and may adapt to different grouping manners according to actual situations.
Further, the first receiving area 111 has a square structure, and the second receiving area 112 may have a square structure, a non-square structure or an irregular structure.
In this embodiment, the first accommodating area 111 is a square regular structure, the second accommodating area 112 is a non-square structure, and the shape of the main cell 120 is adapted to the shape of the first accommodating area 111, and the shape of the optional cell 130 is adapted to the shape of the second accommodating area 112, so that both the main cell 120 and the optional cell 130 can be accommodated in the first accommodating area 111 and the second accommodating area 112, respectively, so that the main cell 120 and the optional cell 130 can be accommodated compactly.
In addition, the second accommodating area 112 is usually located in a corner area, so that the main battery cell 120 is accommodated in the first accommodating area 111, and the optional battery cells 130 are accommodated in the corner area, i.e., the second accommodating area 112, so as to fully utilize the accommodating space of the tray 110, improve grouping efficiency, and thus effectively increase electric quantity in a limited space.
Note that the non-cubic structure refers to a polyhedral structure other than a cube. The main battery cell 120 and the optional battery cell 130 may supply power to the electric equipment at the same time, or may supply power separately. In practical applications, the main battery cell 120 generally supplies power for the main battery cell, and the optional battery cell 130 supplies power for the secondary battery cell, for example, the optional battery cell 130 may perform auxiliary power supply or emergency power supply, and the specific power supply condition may be set accordingly according to an actual situation, which is not specifically limited herein.
It is understood that the first receiving area 111 and the second receiving area 112 of the tray 110 can be adjusted accordingly according to the actual installation environment to adapt to different irregular shaped spaces.
Specifically, the first accommodating area 111 includes a single-piece area structure in a square shape or the like and other multi-piece area structures in a field shape, a japanese shape, a mesh shape, or a binocular shape or the like.
In this embodiment, first holding region 111 can be monolithic district structures such as square font to the holding is overall structure's blade electricity core, also can be the multi-disc district structure, with holding square electricity core, soft package electricity core or cylinder electricity core, thereby can improve the adaptability of novel battery system block structure.
Specifically, the first accommodating area 111 is a square area with a large volume, i.e., has a square structure, and occupies a main area of the tray 110, so that the main battery cell 120 is accommodated in the first accommodating area 111, for example, a blade battery cell or a square battery cell with a large volume is accommodated in the first accommodating area 111, which is beneficial to compact accommodation of the main battery cell 120 and convenient grouping.
Specifically, the second receiving area 112 has a square shape, a trapezoid shape, a diamond shape, an oval shape, or other shapes.
In this embodiment, the second accommodating area 112 is a corner area with a smaller area, and is shaped differently, for example, in a square, trapezoid, diamond, or oval shape, compared with the shape of a conventional battery cell, so that the optional battery cell 130 is accommodated in the second accommodating area 112, for example, a cylindrical battery cell or a soft package battery cell with a smaller volume is accommodated in the second accommodating area 112, so as to improve the space utilization rate of the tray 110, which can generally improve the space utilization rate by at least 3%, thereby improving the grouping efficiency and the electric quantity of the grouping structure 100 of the whole novel battery system.
Of course, the above is only one embodiment of the present invention, and the projection of the first accommodating area 111 and the second accommodating area 112 on the horizontal plane may also take other shapes, including a regular shape and an irregular shape, and is not limited herein.
Further, the number of the second accommodating areas 112 is at least one, the first accommodating area 111 is located in the middle area of the tray 110, and the second accommodating areas 112 are located at one end or two ends of the tray 110, or at the top of the first accommodating area 111.
In this embodiment, the number of the second accommodating areas 112 is two, the two second accommodating areas 112 are respectively located at two ends of the same side of the first accommodating area 111, that is, the two second accommodating areas 112 are respectively located at two corners of the first accommodating area 111, and the two alternative battery cells 130 of the same type or the two alternative battery cells 130 of different types can be respectively accommodated in the two second accommodating areas 112, so as to improve the space utilization rate of the novel battery system grouping structure 100.
It should be understood that the number and specific location of the second receiving areas 112 may be other locations, and are not limited herein.
Further, the tray 110 further includes a third accommodating area 113, the third accommodating area 113 is located between the two second accommodating areas 112, and the electrical control module 140 is accommodated in the third accommodating area 113.
In this embodiment, the electrical control module 140 includes a BMS141(Battery Management System, chinese name: Battery Management System) and a BDU142(Power Distribution Unit, chinese name: high voltage Distribution box), and the electrical control module 140 is configured to manage and maintain the main selected cell 120 and the alternative cell 130, and monitor states of the main selected cell 120 and the alternative cell 130, so that the main selected cell 120 and the alternative cell 130 are reasonably powered, and a service life of the novel Battery System grouping structure 100 is prolonged.
Specifically, two ends of the third receiving area 113 are respectively connected to the two second receiving areas 112, and are connected to the same side of the first receiving area 111 with the two second receiving areas 112.
Further, the present invention also provides an electric chassis (not shown) including the novel battery system grouping structure 100 as in the previous embodiment. In the embodiment of the utility model, the electric chassis is a chassis of an electric automobile and can be used for new energy automobiles, trucks, buses and the like.
In summary, the present invention provides a novel battery system grouping structure 100 and an electric chassis, wherein the first accommodating area 111 is a regular square structure, the second accommodating area 112 is an irregular non-cubic structure, the shape of the main battery cell 120 is adapted to the shape of the first accommodating area 111, and the shape of the optional battery cell 130 is adapted to the shape of the second accommodating area 112, so that both the main battery cell 120 and the optional battery cell 130 can be exactly accommodated in the first accommodating area 111 and the second accommodating area 112, respectively, so that the main battery cell 120 and the optional battery cell 130 can be accommodated compactly. In addition, the second accommodating area 112 is usually located in a corner area, so that the main battery cell 120 is accommodated in the first accommodating area 111, and the optional battery cells 130 are accommodated in the corner area, i.e., the second accommodating area 112, so as to fully utilize the accommodating space of the tray 110, improve grouping efficiency, and thus effectively increase electric quantity in a limited space. The main selection battery cell 120 comprises one or more of a blade battery cell, a square battery cell, a soft-package battery cell and a cylindrical battery cell, the alternative battery cell 130 comprises one or more of a square battery cell, a soft-package battery cell and a cylindrical battery cell, and different types of battery cells are placed according to the specific structures of the first holding area 111 and the second holding area 112, so that the main selection battery cell 120 and the alternative battery cell 130 are compactly accommodated, and the space utilization rate is improved. The main selection battery cell 120 and the alternative battery cell 130 can be connected in series or in parallel to jointly supply power to the same power utilization system, and the circuits where the main selection battery cell 120 and the alternative battery cell 130 are located are also set to be mutually independent so as to supply power to the power utilization equipment independently, so that the novel battery system grouping structure 100 is adapted to different power utilization equipment, and the practicability of the novel battery system grouping structure 100 is improved. The main selection battery cell 120 is accommodated in the first accommodating area 111 with a large area on the tray 110, the alternative battery cell 130 is accommodated in the second accommodating area 112 with a small area on the tray 110, so that the accommodating space of the tray 110 is fully utilized, the space utilization rate of the tray 110 is improved, the grouping efficiency is improved, the electric quantity of the novel battery system grouping structure 100 is improved, the volume of the main selection battery cell 120 is larger than that of the alternative battery cell 130, the electric quantity of the main selection battery cell 120 is larger than that of the alternative battery cell 130, and the main selection battery cell 120 is ensured to be capable of stably supplying power for electric equipment.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A novel battery system grouping structure is characterized by comprising a tray, a main selection battery cell and an alternative battery cell;
the tray comprises a first accommodating area and a second accommodating area which are connected with each other, the main cell is accommodated in the first accommodating area, the standby cell is accommodated in the second accommodating area, and the first accommodating area is larger than the second accommodating area;
the main selection battery cell and/or the alternative battery cell are used for supplying power to electric equipment.
2. The novel battery system grouping structure of claim 1, wherein the primary cell comprises one of a blade cell, a square cell, a soft-pack cell, and a cylindrical cell; the alternative battery cell comprises one or more of a square battery cell, a soft-package battery cell and a cylindrical battery cell.
3. The novel battery system grouping structure of claim 1, wherein the circuits in which the main selected cells and the alternative cells are located are connected in series or in parallel;
or the circuits where the main battery cell and the alternative battery cell are located are independent of each other.
4. The novel battery system grouping structure of claim 1, wherein the sum of the capacities of the alternative cells connected in parallel is greater than the sum of the capacities of the main cells connected in parallel.
5. The novel battery system pack structure of claim 1, wherein the sum of the electric quantities of the main selected cells accounts for 70% or more of the sum of the total electric quantities of the main selected cells and the alternative cells.
6. The novel battery system battery pack structure of claim 1, wherein the novel battery system battery pack structure is formed from a module consisting of the primary cell and the alternate cell;
or, the novel battery system grouping structure is formed by the main selection battery cell and the alternative battery cell.
7. The novel battery system unitized structure of claim 1, wherein the structure of said first receiving area comprises a single-piece area structure and a multi-piece area structure, said single-piece area structure being square-shaped, said multi-piece area structure being field-shaped, japanese-shaped, mu-shaped or binocular-shaped; the number of the second accommodating areas is at least one, and the shape of the second accommodating areas is square, trapezoid, rhombus or oval.
8. The novel battery system grouping structure of claim 1, wherein the first receiving area is located at a middle region of the tray, and the second receiving area is located at one or both ends of the tray, or at a top of the first receiving area.
9. The novel battery system battery pack structure of claim 1, further comprising an electrical control module, wherein the tray further comprises a third receiving area, and wherein the electrical control module is received in the third receiving area.
10. An electric chassis comprising a novel battery system battery pack according to any of claims 1-9.
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| CN202220024342.7U CN216648487U (en) | 2022-01-06 | 2022-01-06 | Novel battery system group structure and electric chassis |
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| CN202220024342.7U CN216648487U (en) | 2022-01-06 | 2022-01-06 | Novel battery system group structure and electric chassis |
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