Aluminum alloy integrated die-casting battery box body structure and new energy automobile

Abstract

The utility model relates to an aluminum alloy integrated die-casting battery box body structure and a new energy automobile, which comprise an automobile body frame which is hollow inside and integrally formed, a plurality of automobile body connecting points arranged on two sides of the automobile body frame, a function mounting area and a cooling water connecting piece, the front side and the rear side of the vehicle body frame are connected with the water cooling plate and the battery box upper cover through the vehicle body connecting points respectively. By means of the integrally-formed vehicle body frame, welding spots in the manufacturing process of the device are reduced, then manpower input needed in the manufacturing process of the device is reduced, meanwhile, the middle longitudinal beams and the middle cross beams are arranged, the structural strength of the whole vehicle body frame in the X direction and the Y direction is enhanced, and the U-shaped grooves are formed in the vehicle body frame; and a structure reinforcing assembly is arranged in the U-shaped groove, so that the X-direction structural strength of the vehicle body frame is further improved, and meanwhile, the Z-direction structural strength of the vehicle body frame is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile battery boxes, and in particular to an aluminum alloy integrated die-casting battery box structure and a new energy vehicle. Background Art

[0002] Developing new energy vehicles is the only way for my country to move from a big automobile country to a strong automobile country. It is a strategic measure to cope with climate change and promote green development. Endurance is currently the main factor restricting the development of new energy vehicles. For new energy vehicles, reducing weight by 10% can improve energy efficiency by 9.5%.

[0003] Aluminum alloy materials can be widely used in the field of automobile lightweighting as a material with high specific strength, low density and mature forming technology. Therefore, lightweight aluminum alloy structures have a broad development prospect in the new energy vehicle industry.

[0004] The traditional battery case assembly is assembled by welding multiple sheet metal parts and profiles. The battery case assembly manufactured in this way requires more than 100 parts and has more than 10 meters of arc welding seams.

[0005] The overall processing time takes about 3 hours. There are problems such as heavy assembly weight, large number of parts, complicated assembly process, high risk of welding failure, large production investment, large site requirements, relatively low efficiency and large cumulative tolerance errors of parts.

[0006] To this end, the utility model proposes an integrated one-piece die-casting battery box structure to address the problems existing in the traditional profile assembly and welding battery box structure. Utility Model Content

[0007] In order to solve the above technical problems, the purpose of the utility model is to provide a battery box with high structural strength that reduces welding points to simplify assembly and processing time.

[0008] In order to achieve the above-mentioned purpose, the technical solution of the utility model is as follows: an aluminum alloy integrated die-cast battery box structure, comprising an internally hollowed and integrally formed body frame, a plurality of body connection points and cooling water connectors arranged on both sides of the body frame, the front and rear sides of the body frame are respectively connected to the water cooling plate and the battery box cover through the body connection points, the rear end of the body frame is provided with a functional installation area for assembling a BMS battery management system, a high-voltage box and a connector, the cooling water connector is arranged at the upper end of the body frame and is used to connect to the joint of the water cooling plate, a middle longitudinal beam is arranged inside the body frame along the up and down directions, two middle cross beams are arranged at intervals along the length direction of the middle longitudinal beam, the body frame is provided with a U-shaped groove along its own circumference, and a structural reinforcement component is provided inside the U-shaped groove.

[0009] The beneficial effects of the utility model are as follows: by utilizing an integrally formed vehicle body frame, the number of welding points during the preparation of the device is reduced, thereby reducing the manpower required for the preparation and production of the device; at the same time, a middle longitudinal beam and a middle cross beam are provided, thereby enhancing the structural strength of the entire vehicle body frame in the X and Y directions; a U-shaped groove is provided in the vehicle body frame, and a structural reinforcement component is provided inside the U-shaped groove, so as to further improve the structural strength of the vehicle body frame in the X direction while improving its structural strength in the Z direction.

[0010] On the basis of the above technical solution, the present invention can also be improved as follows.

[0011] Furthermore, the middle longitudinal beam and the middle cross beam are both provided with reinforcement grooves with U-shaped cross-sections along their length directions.

[0012] The above technical solution further increases the structural strength of the middle longitudinal beam and the middle cross beam by opening U-shaped reinforcement grooves extending along the length directions of the middle longitudinal beam and the middle cross beam respectively, so as to better strengthen the structural strength of the vehicle body frame in the X and Y directions.

[0013] Furthermore, the vehicle body frame includes two vehicle body longitudinal beams, a first vehicle body cross beam and a second vehicle body cross beam, the first vehicle body cross beam is connected between the front ends of the two vehicle body longitudinal beams, the second vehicle body cross beam is connected between the rear ends of the two vehicle body longitudinal beams, a plurality of vehicle body connection points are respectively provided on the two vehicle body longitudinal beams, the cooling water connecting piece is mounted on the first vehicle body cross beam, the functional installation area is mounted on the second vehicle body cross beam, and the U-shaped groove is opened inside the two vehicle body longitudinal beams, the first vehicle body cross beam and the second vehicle body cross beam.

[0014] The above technical solution is prepared by setting a body longitudinal beam, a first body cross beam and a second body cross beam, and by integrally forming the body longitudinal beam, the first body cross beam and the second body cross beam by die-casting, so that when the device forms the body frame, it reduces the welding process and reduces the welding points, thereby improving the structural strength and reducing the manpower investment.

[0015] Furthermore, the structural reinforcement assembly includes a plurality of vertical reinforcement ribs, and the plurality of vertical reinforcement ribs are installed at intervals inside the U-shaped groove.

[0016] The above technical solution provides a plurality of reinforcing vertical ribs, so that the vehicle body frame is provided with a U-shaped groove to improve the structural strength in the X and Y directions, and at the same time, can further improve its structural strength in the Z direction.

[0017] Furthermore, the vehicle body connection point includes a plurality of first connection brackets and a plurality of second connection brackets, and the plurality of first connection brackets and the plurality of second connection brackets are spaced apart and installed on the side relatively far away from the two vehicle body longitudinal beams. A reinforcement groove extending along the length direction is opened inside the first connection bracket, and the plurality of first connection brackets are connected and fixed to the battery box cover, and the second connection brackets are used for assembling the bracket wiring harness.

[0018] The above technical solution improves the connection strength of the first connecting bracket by providing a first connecting bracket with a U-shaped reinforcement groove and utilizing its own triangular device, and opens a U-shaped processing groove inside it to improve its X-direction structural strength, and connects and fixes the first connecting bracket to the battery box cover, thereby improving the structural strength and stability during assembly.

[0019] Furthermore, the functional installation area is a plate-shaped component and includes a BMS battery management system installation area, a high-voltage box installation area and a connector installation area. The BMS battery management system, the high-voltage box and the connector are respectively assembled in the BMS battery management system installation area, the high-voltage box installation area and the connector installation area.

[0020] The above technical solution enables the device to normally realize its required functions by setting up a functional installation area and assembling a BMS battery management system, a high-voltage box and connectors therein.

[0021] Furthermore, the cooling water connector includes multiple connection blocks, multiple plug ports and multiple explosion-proof valves, the plug ports and explosion-proof valves are fixedly assembled on the first vehicle body cross beam, and the joints of the water cooling plate pass through the connection blocks and are respectively connected to the plug ports and explosion-proof valves.

[0022] The above technical solution improves the connection stability with the water cooling plate by providing a plurality of connection blocks, assembling the joints of the water cooling plate at the connection blocks, and connecting the joints with the plug interface and the explosion-proof valve.

[0023] Furthermore, a triangular reinforcing rib is connected between the connecting block and the first vehicle body cross beam.

[0024] The above technical solution further improves the structural strength of the connection block by arranging triangular reinforcement ribs.

[0025] Furthermore, a sunken platform is provided at the front side of the vehicle body frame, and the water cooling plate is embedded at the sunken platform, and a bottom guard plate is installed at the front side of the water cooling plate of the vehicle body frame.

[0026] The above technical solution can reduce the material usage and optimize its spatial structure to improve the structural stability of the device by arranging a sink on the front side of the vehicle body frame and installing a water cooling plate on the sink.

[0027] The second purpose of the utility model is to provide.

[0028] In order to achieve the above-mentioned purpose, the technical solution of the utility model is as follows: A new energy vehicle includes an aluminum alloy integrated die-casting battery box structure.

[0029] The above technical solution assembles the above-mentioned integrated die-cast battery box structure in the new energy vehicle, thereby ensuring the structural strength of the battery box frame while reducing the material cost and labor cost in the production process of the new energy vehicle, thereby improving the economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the planar structure in an embodiment of the utility model;

[0031] Figure 2 It is a schematic diagram of the upper end of the device in the embodiment of the utility model;

[0032] Figure 3 It is a schematic diagram of the three-dimensional structure of the triangular reinforcing rib in the embodiment of the utility model;

[0033] Figure 4 It is a schematic diagram of the three-dimensional structure of the first connecting bracket in an embodiment of the utility model.

[0034] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0035] 1. Plug interface; 2. Explosion-proof valve; 3. Plug-in installation area; 4. High-voltage box installation area; 5. BMS battery management system installation area; 7. Middle longitudinal beam; 8. Middle cross beam; 9. Connection block; 91. Triangular reinforcement rib; 10. Vehicle body longitudinal beam; 101. Reinforced vertical rib; 102. First connection bracket; 103. Second connection bracket. DETAILED DESCRIPTION

[0036] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0037] Example

[0038] like Figure 1-4As shown, an aluminum alloy integrated die-cast battery box structure includes an internally hollowed-out and integrally formed body frame, a plurality of body connection points and cooling water connectors arranged on both sides of the body frame, the front and rear sides of the body frame are respectively connected to the water cooling plate and the battery box cover through the body connection points, a functional installation area for assembling a BMS battery management system, a high-voltage box and a connector is provided at the rear end of the body frame, the cooling water connector is provided at the upper end of the body frame and is used to connect with the joint of the water cooling plate, a middle longitudinal beam 7 is provided inside the body frame along the up and down directions, two middle cross beams 8 are arranged at intervals along the length direction of the middle longitudinal beam 7 on the body frame, a U-shaped groove is opened along the circumference of the body frame, and a structural reinforcement component is provided inside the U-shaped groove.

[0039] The vehicle body frame is integrally formed and prepared by the existing die-casting process.

[0040] Among them, the body frame is an aluminum alloy component.

[0041] The working principle is: by using an integrated die-casting body frame of aluminum alloy material, the weight of the body frame can be effectively reduced, so that when it is assembled in new energy vehicles, energy consumption can be effectively reduced. At the same time, compared with the existing welding and splicing method for preparing the body frame, it is prepared through the die-casting process, which can effectively reduce welding points and reduce labor input costs.

[0042] The above technical solution can utilize an integrally formed vehicle body frame, reduce the welding points of the device during the preparation process, and thus reduce the manpower required for the preparation and production of the device. At the same time, a middle longitudinal beam 7 and a middle cross beam 8 are provided to enhance the structural strength of the entire vehicle body frame in the X and Y directions. A U-shaped groove is provided in the vehicle body frame, and a structural reinforcement component is provided inside the U-shaped groove to further improve the structural strength of the vehicle body frame in the X direction while improving its structural strength in the Z direction.

[0043] Preferably, the middle longitudinal beam 7 and the middle cross beam 8 are both provided with reinforcement grooves with U-shaped cross sections along their length directions.

[0044] The working principle is: by setting U-shaped reinforcement grooves inside the middle longitudinal beam 7 and the middle cross beam 8, the strength of the middle longitudinal beam 7 and the middle cross beam 8 themselves is effectively improved, so that when the two are set inside the body frame, the overall strength of the body frame can be better improved.

[0045] The above technical solution further increases the structural strength of the middle longitudinal beam 7 and the middle cross beam 8 by providing U-shaped reinforcement grooves extending along the length directions of the middle longitudinal beam 7 and the middle cross beam 8 respectively, so as to better strengthen the structural strength of the vehicle body frame in the X and Y directions.

[0046] Preferably, the vehicle body frame includes two vehicle body longitudinal beams 10, a first vehicle body cross beam and a second vehicle body cross beam, the first vehicle body cross beam is connected between the front ends of the two vehicle body longitudinal beams 10, the second vehicle body cross beam is connected between the rear ends of the two vehicle body longitudinal beams 10, a plurality of vehicle body connection points are respectively provided on the two vehicle body longitudinal beams 10, the cooling water connector is mounted on the first vehicle body cross beam, the functional installation area is mounted on the second vehicle body cross beam, and U-shaped grooves are provided inside the two vehicle body longitudinal beams 10, the first vehicle body cross beam and the second vehicle body cross beam.

[0047] The working principle is as follows: by setting multiple body connection points on the two body longitudinal beams 10 and connecting and fixing them to the battery box cover, the device maintains its stability during assembly. Since U-shaped grooves are set inside the body longitudinal beams 10, the first body cross beam and the second body cross beam, the structural strength of the body longitudinal beams 10, the first body cross beam and the second body cross beam themselves are improved, thereby improving the structural strength of the entire body frame.

[0048] The above technical solution is prepared by setting a body longitudinal beam 10, a first body cross beam and a second body cross beam, and by integrally forming the body longitudinal beam 10, the first body cross beam and the second body cross beam by die-casting, so that when the device forms the body frame, the welding process is reduced, the welding points are reduced, the structural strength is improved, and the manpower input is reduced.

[0049] Preferably, the structural reinforcement assembly includes a plurality of vertical reinforcement ribs 101, and the plurality of vertical reinforcement ribs 101 are installed at intervals inside the U-shaped groove.

[0050] The working principle is: by arranging reinforcing vertical ribs 101 inside the U-shaped groove, when the body longitudinal beam 10, the first body cross beam and the second body cross beam are subjected to Z-direction pressure, the reinforcing vertical ribs 101 can provide effective supporting force to improve the Z-direction structural strength of the body longitudinal beam 10, the first body cross beam and the second body cross beam.

[0051] The above technical solution provides a plurality of reinforcing vertical ribs 101, so that the vehicle body frame can further improve its structural strength in the Z direction while providing a U-shaped groove to improve the structural strength in the X and Y directions.

[0052] Preferably, the vehicle body connection point includes a plurality of first connection brackets 102 and a plurality of second connection brackets 103, and the plurality of first connection brackets 102 and the plurality of second connection brackets 103 are spaced apart and installed on the relatively distant side of the two vehicle body longitudinal beams 10, and a reinforcement groove extending along the length direction is opened inside the first connection bracket 102, and the plurality of first connection brackets 102 are connected and fixed to the battery box cover, and the second connection brackets 103 are used for assembling the bracket wiring harness.

[0053] Among them, the first connecting bracket 102 is provided with a machined threaded hole, and the second connecting bracket 103 is provided with an extrusion hole. Multiple first connecting brackets 102 are threadedly fixed to the battery box cover at the machined threaded holes, and the second connecting bracket 103 is assembled with a bracket harness at the extrusion hole.

[0054] The working principle is: by setting up multiple first connecting brackets 102, and connecting and fixing them to the upper cover of the battery box, and at the same time opening a reinforcement groove on the first connecting bracket 102, the structural strength when the first connecting bracket 102 is connected to the upper cover of the battery box is further improved, and at the same time opening an extrusion hole on the second connecting bracket 103, and assembling the bracket wiring harness at the extrusion hole, so as to simplify the preparation process of the device.

[0055] The above technical solution improves the connection strength of the first connecting bracket 102 by providing a first connecting bracket 102 with a U-shaped reinforcement groove and utilizing its own triangular device, and opens a U-shaped processing groove inside it to improve its X-direction structural strength, and connects and fixes the first connecting bracket 102 to the battery box cover, thereby improving the structural strength and stability during assembly.

[0056] Preferably, the functional installation area is a plate-shaped component and includes a BMS battery management system installation area 5, a high-voltage box installation area 4 and a connector installation area 3. The BMS battery management system, the high-voltage box and the connector are respectively assembled in the BMS battery management system installation area 5, the high-voltage box installation area 4 and the connector installation area 3.

[0057] The working principle is: by centrally arranging the functional parts of the battery box at the lower end of the vehicle body frame, the spatial structure of the entire device is optimized.

[0058] The above technical solution enables the device to normally realize its required functions by setting up a functional installation area and assembling a BMS battery management system, a high-voltage box and connectors therein.

[0059] Preferably, the cooling water connector includes multiple connection blocks 9, multiple plug ports 1 and multiple explosion-proof valves 2, the plug ports 1 and the explosion-proof valves 2 are fixedly assembled on the first vehicle body cross beam, and the joints of the water cooling plate pass through the connection blocks 9 and are respectively connected to the plug ports 1 and the explosion-proof valves 2.

[0060] The working principle is: by setting a plug interface 1 and an explosion-proof valve 2 connected to the water cooling plate on the first body cross beam, and constraining the connection pipe to be assembled through a connecting block 9, the device can normally realize its water cooling function.

[0061] The above technical solution improves the connection stability with the water cooling plate by providing a plurality of connection blocks 9, assembling the connector of the water cooling plate at the connection blocks 9, and connecting the connector with the plug port 1 and the explosion-proof valve 2.

[0062] Preferably, a triangular reinforcing rib 91 is connected between the connecting block 9 and the first vehicle body cross beam.

[0063] The working principle is: by arranging the triangular reinforcing ribs 91 on the connecting block 9, the structural strength of the connecting block 9 can be further improved.

[0064] The above technical solution further improves the structural strength of the connecting block 91 by providing the triangular reinforcing ribs 91 .

[0065] Preferably, a sunken platform is provided on the front side of the vehicle body frame, and a water cooling plate is embedded on the sunken platform, and a bottom guard plate is installed on the front side of the water cooling plate of the vehicle body frame.

[0066] Among them, the water-cooling plate is welded to the sink by stir friction welding.

[0067] The water cooling plate and the bottom guard plate are both connected to the middle longitudinal beam 7 and the middle cross beam 8 by threads.

[0068] The working principle is: by embedding the water cooling plate on the front side of the vehicle body frame and welding it, and at the same time threading the water cooling plate with the middle longitudinal beam 7 and the middle cross beam 8, the stability during assembly is further improved.

[0069] The above technical solution can reduce the material usage and optimize its spatial structure to improve the structural stability of the device by arranging a sink on the front side of the vehicle body frame and installing a water cooling plate on the sink.

[0070] The second purpose of the utility model is to provide.

[0071] In order to achieve the above-mentioned purpose, the technical solution of the utility model is as follows: A new energy vehicle includes an aluminum alloy integrated die-casting battery box structure.

[0072] The working principle is: when this structure is adopted and assembled in new energy vehicles, the assembly weight is reduced by 10% and the vehicle's endurance is increased by 10%. It can be better adapted to the application scenarios of new energy vehicle platformization trend, short development time, low development cost and high lightweight requirements.

[0073] The above technical solution assembles the above-mentioned integrated die-cast battery box structure in the new energy vehicle, thereby ensuring the structural strength of the battery box frame while reducing the material cost and labor cost in the production process of the new energy vehicle, thereby improving the economic benefits.

[0074] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0075] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0076] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0077] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0078] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0079] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. An aluminum alloy integrated die-casting battery box structure, characterized in that: The invention comprises a body frame which is hollowed out and integrally formed, a plurality of body connection points and cooling water connectors arranged on both sides of the body frame, the front and rear sides of the body frame are respectively connected to a water cooling plate and a battery box upper cover through the body connection points, the rear end of the body frame is provided with a functional installation area for assembling a BMS battery management system, a high-voltage box and a connector, the cooling water connector is arranged at the upper end of the body frame and is used to connect with the joint of the water cooling plate, a middle longitudinal beam (7) is arranged inside the body frame in the up-down direction, two middle cross beams (8) are arranged at intervals along the length direction of the middle longitudinal beam (7), the body frame is provided with a U-shaped groove along its own circumference, and a structural reinforcement component is arranged inside the U-shaped groove.

2. The aluminum alloy integrated die-casting battery box structure according to claim 1, characterized in that: The middle longitudinal beam (7) and the middle cross beam (8) are both provided with reinforcement grooves with U-shaped cross sections along their length directions.

3. The aluminum alloy integrated die-casting battery box structure according to claim 1, characterized in that: The vehicle body frame comprises two vehicle body longitudinal beams (10), a first vehicle body cross beam and a second vehicle body cross beam, wherein the first vehicle body cross beam is connected between the front ends of the two vehicle body longitudinal beams (10), and the second vehicle body cross beam is connected between the rear ends of the two vehicle body longitudinal beams (10), and a plurality of vehicle body connection points are respectively arranged on the two vehicle body longitudinal beams (10), the cooling water connection piece is mounted on the first vehicle body cross beam, the functional installation area is mounted on the second vehicle body cross beam, and the U-shaped grooves are arranged inside the two vehicle body longitudinal beams (10), the first vehicle body cross beam and the second vehicle body cross beam.

4. The aluminum alloy integrated die-casting battery box structure according to claim 2, characterized in that: The structural reinforcement component comprises a plurality of reinforcing vertical ribs (101), and the plurality of reinforcing vertical ribs (101) are assembled inside the U-shaped groove at intervals.

5. The aluminum alloy integrated die-casting battery box structure according to claim 3, characterized in that: The vehicle body connection point comprises a plurality of first connection brackets (102) and a plurality of second connection brackets (103), wherein the plurality of first connection brackets (102) and the plurality of second connection brackets (103) are installed at intervals on a side relatively far away from two vehicle body longitudinal beams (10), wherein a reinforcement groove extending along the length direction thereof is provided inside the first connection bracket (102), the plurality of first connection brackets (102) are connected and fixed to the upper cover of the battery box, and the second connection brackets (103) are used for installing a bracket harness.

6. The aluminum alloy integrated die-casting battery box structure according to claim 2, characterized in that: The functional installation area is a plate-shaped component and comprises a BMS battery management system installation area (5), a high-voltage box installation area (4) and a connector installation area (3); the BMS battery management system, the high-voltage box and the connector are respectively assembled in the BMS battery management system installation area (5), the high-voltage box installation area (4) and the connector installation area (3).

7. The aluminum alloy integrated die-casting battery box structure according to claim 3, characterized in that: The cooling water connection member comprises a plurality of connection blocks (9), a plurality of plug ports (1) and a plurality of explosion-proof valves (2); the plug ports (1) and the explosion-proof valves (2) are both fixedly mounted on the first vehicle body cross beam; the joint of the water cooling plate passes through the connection block (9) and is respectively connected to the plug ports (1) and the explosion-proof valves (2).

8. The aluminum alloy integrated die-casting battery box structure according to claim 7, characterized in that: A triangular reinforcing rib (91) is connected between the connecting block (9) and the first vehicle body cross beam.

9. The aluminum alloy integrated die-casting battery box structure according to claim 1, characterized in that: A sunken platform is provided at the front side of the vehicle body frame, and the water cooling plate is embedded at the sunken platform. A bottom guard plate is installed at the front side of the water cooling plate of the vehicle body frame.

10. A new energy vehicle, characterized in that: It comprises an aluminum alloy integrated die-cast battery box structure as described in any one of claims 1-9.

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