Case, power supply device, and vehicle

Abstract

A case (10), a power supply device, and a vehicle (1000). The case (10) is used for mounting on the body of the vehicle (1000), and the case (10) includes a case body (11), a first mounting member (12), and a second mounting member (13). The case body (11) has an accommodating cavity (11a), the first mounting member (12) is installed on the case body (11) and is used for fixing the battery (100) in the accommodating cavity (11a), and the second mounting member (13) is installed on the case body (11) and is used for fixing a plurality of electronic modules in the accommodating cavity (11a). The case (10) can improve the space utilization rate of the vehicle (1000), improve the mode of the battery (1000), and reduce the noise of the vehicle.

Description

Technical Field

[0003]

[0001] This application relates to the field of battery technology, and more specifically, to a case, a power supply device, and a vehicle.

Background Art

[0002] Currently, from the perspective of the development of the market situation, the application of power batteries is becoming increasingly widespread. Power batteries are not only used in energy storage power systems such as hydraulic, thermal, wind, and solar power plants, but also more widely used in a plurality of fields such as electric bicycles, electric motorcycles, electric vehicles, and military equipment and aerospace. With the continuous expansion of the application fields of power batteries, the demand in its market also increases continuously.

[0003] In the development of battery technology, how to improve the space utilization rate of batteries in vehicles is an important research direction in battery technology.

Summary of the Invention

[0004] This application provides a case, a power supply device, and a vehicle that can improve the space utilization rate of batteries in vehicles.

[0005] According to a first aspect, an embodiment of this application provides a case for use in attaching to the vehicle body of a vehicle. The case includes a case body, a first attachment member, and a second attachment member. The case body has a storage cavity. The first attachment member is installed on the case body and is used to fix a battery in the storage cavity. The second attachment member is installed on the case body and is used to fix a plurality of electronic modules in the storage cavity.

[0006] In the above-described solution, the battery and multiple electronic modules can be secured within the housing cavity of the case by the first and second mounting members of the case, respectively. Then, the case is fixed inside the vehicle, and the battery and multiple electronic modules are attached to the vehicle body as a single unit, thereby improving the space utilization rate of the vehicle, improving the battery's performance, and reducing vehicle noise.

[0007] In some embodiments, the case further includes a third mounting member installed on the outer surface of the case body, the third mounting member being used to fix the case body to the vehicle body, having a simple structure and facilitating the fixing of the case.

[0008] In some embodiments, the case body includes a top cover and a bottom cover that are installed opposite each other, and a third mounting member is installed on the top cover and used to secure the case body to the rear seat of the vehicle.

[0009] In the above-described solution, the battery and multiple electronic modules may be installed as a whole under the rear seats, avoiding the occupancy of the vehicle's front cabin or trunk space and improving space utilization.

[0010] In some embodiments, the third mounting member includes a connecting portion and a protrusion connected to each other, the connecting portion being fixed to the top cover, and the protrusion being raised and protruding away from the top cover and used for fixing to the rear seat.

[0011] In the above solution, the top cover serves as a support for the rear seats, meeting the need to prevent people from slipping under the seats, improving the functionality of the top cover, and saving space required for the seat support plate.

[0012] In some embodiments, the case further includes a fourth mounting member installed on the outer surface of the case body, the fourth mounting member being used to fix the case body to the floor of the vehicle, improving the connection strength and stability of the case and reducing vibration of the case and noise of the vehicle.

[0013] In some embodiments, the fourth mounting member includes a first mounting portion and a second mounting portion installed on opposing sides of the case body, the first mounting portion being used to fix the case body to the front floor of the vehicle body, and the second mounting portion being used to fix the case body to the rear floor of the vehicle body.

[0014] In the above-described solution, the first and second mounting sections fix the case to the front and rear floors, respectively, preventing the case from vibrating along the longitudinal direction of the vehicle body, further improving the connection strength and stability of the case, and reducing vehicle noise.

[0015] In some embodiments, the first mounting member includes a bracket and a first positioning part connected to each other, the bracket being used to secure the battery, and the first positioning part being mounted on the case body.

[0016] In the above solution, the battery is fixed to the first positioning part of the case body via a bracket, avoiding direct attachment to the vehicle's side member or spare tire pool via the bracket, thereby improving the battery's functionality.

[0017] In some embodiments, the bracket is detachably connected to a first positioning unit to facilitate battery insertion / removal and maintenance, and to improve flexibility.

[0018] In some embodiments, the bracket includes a second positioning portion and a locking portion bent from the second positioning portion, the second positioning portion being aligned and connected to the first positioning portion, and the locking portion being used to secure the battery.

[0019] In the above solution, the battery is fixed by a locking mechanism and secured to the case by a connection between a first positioning mechanism and a second positioning mechanism, the structure of the first mounting member is simple, and the battery can be easily attached and detached.

[0020] In some embodiments, the number of second mounting members is multiple, and each electronic module is secured to the case body via at least one second mounting member, allowing each electronic module to be secured to the case body individually, thereby improving the stability of the electronic modules.

[0021] In some embodiments, the case body is recessed in the direction of the housing cavity to form at least one boss, thereby increasing the strength of the case.

[0022] In some embodiments, the first mounting member is installed on a boss to increase the strength of the bottom of the battery and further improve the stability of the battery.

[0023] In some embodiments, the case body includes a removable top cover and a bottom cover, the top and bottom covers enclosing and forming a housing cavity, facilitating the assembly of the case body and facilitating the insertion, removal, and maintenance of batteries and electronic modules.

[0024] An embodiment of a second aspect of this application provides a power supply device comprising a battery, a plurality of electronic modules, and a case of any of the above embodiments, wherein the battery and the plurality of electronic modules are both integrated into a housing cavity of the case.

[0025] An embodiment of a third aspect of this application provides a vehicle comprising a vehicle body and a power supply device of any of the above embodiments, wherein the case of the power supply device is mounted on the vehicle body. [Brief explanation of the drawing]

[0026] To more clearly illustrate the technical solutions of the embodiments of this application, the following briefly introduces the drawings that need to be used in the embodiments of this application. Obviously, the drawings in the following description are only some embodiments of this application. Based on these drawings, those skilled in the art can obtain other drawings without creative efforts. [Figure 1] It is a schematic structural diagram of a vehicle according to some embodiments of this application. [Figure 2] It is a schematic mounting diagram of a power supply device according to some embodiments of this application. [Figure 3] It is a schematic structural diagram of a power supply device according to some embodiments of this application. [Figure 4] It is a schematic structural diagram of a case according to some embodiments of this application. [Figure 5] It is a schematic structural diagram of the case from another angle according to some embodiments of this application. [Figure 6] It is a schematic structural diagram of a power supply device according to some embodiments of this application. [Figure 7] It is a schematic structural diagram of a battery according to some embodiments of this application. [Figure 8] It is a schematic structural diagram of the case from yet another angle according to some embodiments of this application.

Modes for Carrying Out the Invention

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the following clearly describes the technical solutions in the embodiments of this application while combining the drawings in the embodiments of this application. Obviously, the described embodiments are only some embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of this application.

[0028] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as that commonly understood by those skilled in the art relating to this application. In this application, terms used in the specification are solely for the purpose of describing specific embodiments and are not intended to limit this application. The terms “includes” and “have,” and any variations thereof, in the description of the specification, claims, and drawings of this application are intended to intentionally cover the non-exclusive “includes.” Terms such as “first,” “second,” etc., in the specification, claims, or drawings of this application are not intended to describe a particular order or hierarchical relationship, but to distinguish different subjects.

[0029] The “Examples” as used in this application mean that certain features, structures, or characteristics described in conjunction with the Examples may be included in at least one Example of this application. The occurrence of this phrase in each location in the specification does not necessarily refer to the same Example, nor does it mean that each Example is mutually exclusive or alternative to the others.

[0030] In the description of this application, unless otherwise specifically defined or limited, the terms “attachment,” “connection,” “connection,” and “installation” should be understood in a broad sense. For example, a fixed connection may be a detachable connection, an integral connection, a direct connection, an indirect connection via an intermediate medium, or internal communication between two elements. A person skilled in the art will be able to understand the specific meaning of these terms in this application depending on the specific circumstances.

[0031] In this application, the terms "and / or" merely describe the relationship between related objects, indicating that three relationships are possible. For example, A and / or B may represent three cases: A alone, a combination of A and B, or B alone. In this application, the character " / " generally indicates that the preceding and succeeding related objects are in an "or" relationship.

[0032] In the embodiments of this application, the same reference numerals indicate the same component, and for the sake of brevity, detailed descriptions of the same component are omitted in different embodiments. It should be understood that the dimensions such as thickness, aspect ratio of various components in the embodiments of this application shown in the drawings, and the dimensions such as thickness, aspect ratio of the overall power supply device, are for illustrative purposes only and do not constitute any limitation of this application.

[0033] In this application, "multiple" refers to two or more (including two).

[0034] It should be noted that, as long as they do not conflict, the embodiments and features in this application are combinable with each other.

[0035] The inventors noticed that as the application fields of power batteries continue to expand, the market demand for them is also continuously increasing. In the vehicle development process, battery placement is a difficult problem. Due to the large number of conventional automobile parts, there is no space to install batteries without significantly altering the vehicle body. After further research, the following was discovered: Conventional vehicles generally place batteries in the front cabin or trunk, and mount them via brackets to the vehicle's side members or spare tire pool. The cantilevered mode of the brackets is relatively weak, making them prone to noise generation. Furthermore, the batteries and multiple electronic modules of the power supply are generally placed separately, occupying a large amount of space, such as the electric drive or thermal management space in the front cabin, thus reducing space utilization.

[0036] In view of this, this application provides a technical solution in which a case is used to be attached to the body of a vehicle, the case comprises a case body, a first mounting member and a second mounting member, the case body has a housing cavity, the first mounting member is installed on the case body and used to fix a battery in the housing cavity, and the second mounting member is installed on the case body and used to fix a plurality of electronic modules in the housing cavity. In the above solution, the battery and the plurality of electronic modules can be fixed in the housing cavity of the case by the first mounting member and the second mounting member of the case, respectively, the case can then be fixed inside the vehicle and the battery and the plurality of electronic modules can be attached to the body of the vehicle as a single unit, thereby improving the space utilization rate of the vehicle, improving the battery mode and reducing vehicle noise.

[0037] Embodiments of this application provide a vehicle that uses a battery as a power source, referring to Figure 1, which is a schematic diagram of the structure of a vehicle 1000 according to some embodiment of this application. The vehicle 1000 may be a fuel oil vehicle, a gas vehicle, or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle, or a range extender vehicle, etc. The battery 100 can be used to supply power to the vehicle 1000, for example the battery 100 can be used as the operating power source for the vehicle 1000. The vehicle 1000 may further include a controller 200 and a motor 300, the controller 200 used to control the battery 100 to supply power to the motor 300, for example, to meet the operating power consumption demands of the vehicle 1000 for starting, navigation and driving.

[0038] Referring together to Figures 2 and 3, Figure 2 is a schematic diagram of the mounting of a power supply device according to some embodiments of the present application, and Figure 3 is a schematic diagram of the structure of a power supply device according to some embodiments of the present application, the embodiments of the present application provide a case 10 which is used to be mounted on the body 500 of a vehicle 1000, the case 10 includes a case body 11, a first mounting member 12 and a second mounting member 13, the case body 11 has a housing cavity 11a, the first mounting member 12 is installed on the case body 11 and is used to fix a battery 100 in the housing cavity 11a, and the second mounting member 13 is installed on the case body 11 and is used to fix a plurality of electronic modules 400 in the housing cavity 11a.

[0039] The electronic module 400 may be a DC-DC (direct current converter) power module, or it may be integrated with electronic components such as relays, sensors, resistors, and capacitors. Multiple electronic modules 400 together with the battery 100 constitute a power supply device and are used to supply power to the vehicle 1000. The case body 11 may include a top cover 111 and a bottom cover 112, the top cover 111 and the bottom cover 112 overlap each other, and the top cover 111 and the bottom cover 112 together define a housing cavity 11a. The bottom cover 112 may be a hollow structure with one end open, and the top cover 111 may be a plate-like structure. The top cover 111 is placed over the open side of the bottom cover 112, so that the top cover 111 and the bottom cover 112 together define a housing cavity 11a. Both the top cover 111 and the bottom cover 112 may be hollow structures with one side open, and the open side of the top cover 111 is placed over the open side of the bottom cover 112. Of course, the case body 11 may be of various shapes, such as a cylinder or a rectangular parallelepiped.

[0040] In the above solution, the battery 100 and the multiple electronic modules 400 can be fixed to the housing cavity 11a of the case 10 by the first mounting member 12 and the second mounting member 13 of the case 10, respectively. Then the case 10 is fixed inside the vehicle 1000, and the battery 100 and the multiple electronic modules 400 are attached as a single unit to the body 500 of the vehicle 1000, thereby improving the space utilization rate of the vehicle 1000. Furthermore, it avoids the battery 100 being attached to the side member or spare tire pool via the bracket 121, prevents the cantilever beam mode of the bracket from being relatively weak, improves the mode of the battery 100, and reduces noise in the vehicle 1000.

[0041] As shown in Figure 4, Figure 4 is a schematic diagram of the structure of a case according to some embodiments of the present application, in which the case 10 further includes a third mounting member 14 installed on the outer surface of the case body 11, the third mounting member 14 being used to fix the case body 11 to the vehicle body 500.

[0042] The first mounting member 12 and the second mounting member 13 are located inside the housing cavity 11a of the case body 11, and the third mounting member 14 is located on the outer surface of the case body 11. The third mounting member 14 may be installed on the top, bottom, or side of the case body 11, resulting in a simple structure and facilitating the fixing of the case 10.

[0043] In some embodiments, the case body 11 includes a top cover 111 and a bottom cover 112 that are installed opposite each other, and a third mounting member 14 is installed on the top cover 111 and used to secure the case body 11 to the rear seat of the vehicle body 500.

[0044] The top cover 111 and the bottom cover 112 overlap each other, and together they define the housing cavity 11a. The number of third mounting members 14 may be multiple, and multiple third mounting members 14 are installed at intervals on the top cover 111, thereby increasing the connection strength between the case 10 and the vehicle body 500. The top cover 111 can directly serve as a support member for the rear seat and support the rear seat.

[0045] In the above plan, the battery 100 and the multiple electronic modules 400 may be installed as a whole under the rear seats, avoiding the occupancy of the front cabin or trunk space of the vehicle 1000, thereby making full use of the space in the vehicle 1000 and improving the space utilization rate.

[0046] As shown in Figure 5, Figure 5 is a schematic diagram of the structure of a case from a different angle according to some embodiments of the present application, in which a third mounting member 14 includes a connecting portion 141 and a protrusion 142 connected to each other, the connecting portion 141 being fixed to the top cover 111, and the protrusion 142 being raised and protruding away from the top cover 111 and used for fixing to the rear seat.

[0047] The connection between the connecting portion 141 and the top cover 111 may be made by welding, bolts, or the like. For example, the connecting portion 141 may be annular in shape and welded to the top cover 111. The connecting portion 141 may be provided circumferentially along the circumferential direction of the protrusion 142, or it may be installed along a part of the circumferential side of the protrusion 142. The protrusion 142 rises in the direction of the rear seat, facilitating a secure connection to the rear seat. Screw holes may be provided in the protrusion 142, and the protrusion 142 may be fixed to the rear seat by screws passing through these screw holes, or by a locking mechanism or the like.

[0048] In the above solution, the top cover 111, as a support for the rear seat, satisfies the need to prevent the seat from slipping under it, improves the functionality of the top cover 111, and saves space required for the seat support plate.

[0049] In some embodiments, the case 10 further includes a fourth mounting member 15 installed on the outer surface of the case body 11, the fourth mounting member 15 being used to fix the case body 11 to the floor of the vehicle body 500.

[0050] The fourth mounting member 15 may be located on the side or top of the case body 11, and at least one screw hole may be provided in the fourth mounting member 15, and the case body 11 may be fixed to the floor of the vehicle body 500 by bolts, and the fourth mounting member 15 may be fixed to the floor by a locking, pin or the like. There may be multiple fourth mounting members 15, and the multiple fourth mounting members 15 may be arranged at intervals. The fourth mounting member 15 in this embodiment improves the connection strength and stability of the case 10 and reduces vibration of the case 10 and noise of the vehicle 1000.

[0051] Selectively, the third mounting member 14 and the fourth mounting member 15 may be fixed to the vehicle body 500 along different directions. For example, the third mounting member 14 may be fixed to the rear seat along the vertical direction of the vehicle body 500, and the fourth mounting member 15 may be fixed to the floor along the longitudinal direction of the vehicle body 500, further enhancing the stability of the case 10 and reducing vibrations of the case 10.

[0052] Referring in conjunction with Figures 5 and 6, Figure 5 is a schematic diagram of the structure of a case from a different angle according to some embodiments of the present application, and Figure 6 is a schematic diagram of the structure of a power supply device according to some embodiments of the present application. In some embodiments, the fourth mounting member 15 includes a first mounting portion 151 and a second mounting portion 152 installed on opposing sides of the case body 11, the first mounting portion 151 being used to fix the case body 11 to the front floor 510 of the vehicle body 500, and the second mounting portion 152 being used to fix the case body 11 to the rear floor 520 of the vehicle body 500.

[0053] The first mounting portion 151 is located on the front side of the case body 11, and the second mounting portion 152 is located on the rear side of the case body 11. The number of first mounting portions 151 may be two, and the two first mounting portions 151 may be located at both ends of the front side of the case body 11. The number of second mounting portions 152 may also be two, and the two second mounting portions 152 may be located at both ends of the rear side of the case body 11. Of course, the number and specific positions of the first mounting portions 151 and the second mounting portions 152 can be set as needed and will not be explained further here.

[0054] In the above-described solution, the first mounting portion 151 and the second mounting portion 152 fix the case 10 to the front floor 510 and the rear floor 520, respectively, preventing the case 10 from vibrating along the longitudinal direction of the vehicle body 500, further improving the connection strength and stability of the case 10, and reducing noise from the vehicle 1000.

[0055] Referring in conjunction with Figures 7 and 8, Figure 7 is a schematic diagram of the structure of a battery according to some embodiments of the present application, and Figure 8 is a schematic diagram of the structure of a case from another angle according to some embodiments of the present application. In some embodiments, the first mounting member 12 includes a bracket 121 and a first positioning part 122 connected to each other, the bracket 121 being used to fix the battery 100, and the first positioning part 122 being installed on the case body 11.

[0056] The first positioning portion 122 may be located at the bottom or side of the case body 11. The first positioning portion 122 may also be part of the case body 11 and may be fixed to the case body 11 by welding, locking, bolting, or other methods. In this embodiment, the battery 100 is fixed to the case 10 and can be fixed to the vehicle body 500 via the case 10, so the volume of the bracket 121 in this embodiment is smaller than the volume of the bracket 121 of a conventional battery 100.

[0057] In the above solution, the battery 100 is fixed to the first positioning portion 122 of the case body 11 via the bracket 121, avoiding direct attachment to the side member of the vehicle body 500 or the spare tire pool via the bracket 121, thus avoiding the problem of weak cantilevered support of the bracket and improving the support of the battery 100.

[0058] In some embodiments, the bracket 121 is detachably connected to the first positioning part 122. The bracket 121 and the first positioning part 122 are detachable by means of screws, pins, locks, etc., which facilitates the attachment and detachment of the battery 100 and maintenance, and improves flexibility.

[0059] In some embodiments, the bracket 121 includes a second positioning portion 123 and a locking portion 124 bent from the second positioning portion 123, the second positioning portion 123 being aligned and connected to the first positioning portion 122, and the locking portion 124 being used to secure the battery 100.

[0060] The first positioning portion 122 may be a part of the bottom of the case 10. The first positioning portion 122 has a first positioning hole 122a, and the second positioning portion 123 has a second positioning hole 123a. The first positioning hole 122a and the second positioning hole 123a are aligned, and the first positioning portion 122 and the second positioning portion 123 are bonded together. Then screws are driven through the first positioning portion 122 and the second positioning portion 123, respectively, to secure the bracket 121 to the case body 11. Here, the number of first positioning holes 122a and second positioning holes 123a may be multiple, thereby improving the connection strength. The locking portion 124 can be bent upward relative to the second positioning portion 123 and is locked to the battery 100.

[0061] In the above solution, the battery 100 is fixed by the locking portion 124, and the battery 100 is fixed to the case 10 by the connection of the first positioning portion 122 and the second positioning portion 123, the structure of the first mounting member 12 is simple, and the battery 100 can be easily attached and detached.

[0062] In some embodiments, the number of second mounting members 13 is multiple, and each electronic module 400 is fixed to the case body 11 via at least one second mounting member 13. Each electronic module 400 can be fixed to the case body 11, improving the stability of the electronic modules 400.

[0063] Selectively, multiple second mounting members 13 may be installed around each electronic module 400, with the multiple second mounting members 13 installed at intervals to secure the electronic module 400 to the side of the case body 11 and further enhance the stability of the electronic module 400.

[0064] In some embodiments, the case body 11 is recessed in the direction of the housing cavity 11a to form at least one boss 16. The protrusion 142 may be located at the bottom of the case 10, and the boss 16 protrudes upward to increase the strength of the case 10.

[0065] In some embodiments, the first mounting member 12 is mounted on the boss 16. The first positioning portion 122 may be the boss 16 or a part of the boss 16, the first positioning hole 122a is located on the boss 16, and the first positioning portion 122 may be welded to the boss 16. The boss 16 is the mounting boss 16 for the battery 100, which increases the strength of the bottom of the battery 100 and further improves the stability of the battery 100.

[0066] In some embodiments, the case body 11 includes a removable top cover 111 and a bottom cover 112, the top cover 111 and bottom cover 112 enclosing and forming a housing cavity 11a, which facilitates the assembly of the case body 11 and facilitates the insertion, removal, and maintenance of the battery 100 and electronic module 400.

[0067] An embodiment of a second aspect of this application provides a power supply device comprising a battery 100, a plurality of electronic modules 400, and a case 10 of any of the above embodiments, wherein the battery 100 and the plurality of electronic modules 400 are integrated into a housing cavity 11a of the case 10. Since this power supply device employs all the technical ideas of all the above embodiments, it has at least all the beneficial effects of the technical ideas of the above embodiments, which will not be described further here.

[0068] An embodiment of a third aspect of this application provides a vehicle 1000 which includes a vehicle body 500 and a power supply device of any of the above embodiments, wherein the case 10 of the power supply device is mounted on the vehicle body 500.

[0069] According to some embodiments of this application, the application provides a case 10 used for mounting on a vehicle body 500 of a vehicle 1000, the case 10 comprising a case body 11, a first mounting member 12 and a second mounting member 13, the case body 11 having a housing cavity 11a, the first mounting member 12 being installed on the case body 11 and used to secure a battery 100 within the housing cavity 11a, and the second mounting member 13 being installed on the case body 11 and used to secure a plurality of electronic modules 400 within the housing cavity 11a. The case 10 further comprises a third mounting member 14 installed on the outer surface of the case body 11, the third mounting member 14 being used to secure the case body 11 to the vehicle body 500. The case body 11 comprises a top cover 111 and a bottom cover 112 installed opposite each other, the third mounting member 14 being installed on the top cover 111 and used to secure the case body 11 to the rear seat of the vehicle body 500.

[0070] Finally, it should be noted that the above embodiments are merely for illustrative purposes and not limiting purposes, and although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that it is still possible to modify the inventions described in each of the above embodiments or to make equivalent substitutions to some of their technical features, but such modifications or substitutions will not cause the essence of the corresponding inventions to deviate from the spirit and scope of the inventions in each of the embodiments of this application. [Explanation of Symbols]

[0071] Vehicle: 1000, Battery: 100, Controller: 200, Motor: 300, Case: 10, Case Body: 11, Housing Cavity: 11a, Top Cover: 111, Bottom Cover: 112, First Mounting Member: 12, Bracket: 121, First Positioning Part: 122, Second Positioning Part: 123, Locking Part: 124, First Positioning Hole: 122a, Second Positioning Hole: 123a, Second Mounting Member: 13, Third Mounting Member: 14, Connection Part: 141, Protrusion: 142, Fourth Mounting Member: 15, First Mounting Part: 151, Second Mounting Part: 152, Boss: 16, Electronic Module: 400, Body: 500, Front Floor: 510, Rear Floor: 520.

Claims

1. A case, used for attachment to the vehicle body, the case is A case body having a storage cavity, A first mounting member is installed on the case body and is used to secure the battery within the housing cavity, The case body includes a second mounting member installed thereon for securing a plurality of electronic modules within the housing cavity, The first mounting member includes a bracket and a first positioning part connected to each other, the bracket being used to secure the battery, and the first positioning part being installed on the case body. The bracket includes a second positioning portion and a locking portion bent from the second positioning portion, the second positioning portion being aligned and connected to the first positioning portion, and the locking portion being used to secure the battery, the case.

2. The case according to claim 1, further comprising a third mounting member installed on the outer surface of the case body, wherein the third mounting member is used to fix the case body to the vehicle body.

3. The case according to claim 2, wherein the case body includes a top cover and a bottom cover installed opposite to each other, and the third mounting member is installed on the top cover and used to fix the case body to the rear seat of the vehicle body.

4. The third mounting member includes a connecting portion and a protrusion connected to each other, the connecting portion being fixed to the top cover, and the protrusion being raised and protruding away from the top cover and used for fixing to the rear seat, as in claim 3.

5. The case according to claim 3, further comprising a fourth mounting member installed on the outer surface of the case body, the fourth mounting member being used to fix the case body to the floor of the vehicle body.

6. The case according to claim 5, wherein the fourth mounting member includes a first mounting portion and a second mounting portion installed on opposing sides of the case body, the first mounting portion being used to fix the case body to the front floor of the vehicle body, and the second mounting portion being used to fix the case body to the rear floor of the vehicle body.

7. A power supply device comprising a battery, a plurality of electronic modules, and a case according to any one of claims 1 to 6, wherein the battery and the plurality of electronic modules are all integrated into a housing cavity of the case.

8. A vehicle comprising a vehicle body and a power supply device according to claim 7, wherein the case of the power supply device is attached to the vehicle body.

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