Storage battery support for vehicle

Abstract

The utility model discloses a vehicle storage battery support which is fixed on the outer side face of a longitudinal beam of a vehicle frame, is provided with a rear end fixed on the longitudinal beam of the vehicle frame and a front end far away from the longitudinal beam of the vehicle frame, and comprises a front side plate, a rear side plate and two side plates which jointly define a containing cavity used for containing a storage battery. Each side plate comprises a plate body and a fixed protrusion protruding towards the containing cavity, the fixed protrusions abut against and are fixed to the storage battery, a heat dissipation gap is formed between the plate body and the storage battery, and an air inlet opening communicated with the heat dissipation gap is formed in the side wall of each fixed protrusion. And heat generated in the operation process of the storage battery is continuously volatilized into the heat dissipation gaps and is volatilized to the outside through the air inlet openings, so that the heat is prevented from being accumulated at the storage battery. When the storage battery runs, airflow generated by running of a vehicle flows towards the side plates in a head-on mode, part of the airflow is concentrated at the fixed protrusions and enters the heat dissipation gaps through the air inlet openings, the flow of the airflow flowing through the heat dissipation gaps is increased, and the heat dissipation effect on the storage battery is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle parts, and in particular relates to a vehicle battery bracket. Background Art

[0002] In the mid-mounted power battery model, power batteries and 12V or 24V batteries are generally installed. The power battery is used to provide stable high-voltage electricity for the vehicle to ensure the normal driving of the vehicle. The battery is used to continuously power the internal electronic systems of the vehicle (such as keyless entry system, alarm system), and provide power for lighting, audio and ignition systems. The power battery is installed on the inner side of the frame longitudinal beam to make full use of the frame space, lower the center of gravity of the vehicle, and achieve vehicle weight balance. The battery is generally installed on the outer side of the frame longitudinal beam.

[0003] In addition, radiators are generally installed in mid-mounted power battery models to cool down the power battery and engine, but radiators rarely cover the battery position outside the frame longitudinal beam. The battery will also generate heat during operation. If the heat cannot be volatilized in time, it may cause battery damage and shorten its life.

[0004] Chinese patent CN 218351605 U discloses a multifunctional battery box, including: a battery box base, two side panels, a rear panel and a front panel are arranged around the battery box base. The battery box base, the tension rod, the rubber sheath and the pressure plate structure can firmly fix the battery on the battery box to ensure the stability of the vehicle.

[0005] The patent sets the side panels, rear panels, front panels, and battery box base on the outside of the battery close to the battery, which blocks the heat volatilization of the battery and easily causes heat accumulation in the battery box. Although a raised portion is set on the bottom plate to enhance the strength and bearing capacity of the battery box base, the bearing surface of the raised portion contacts the battery, and the vertical surface does not contact the battery. The battery box base, rear side panels, front side panels, and the battery form three independent chambers, and heat will also accumulate in the chambers, and the heat dissipation effect is not ideal. Utility Model Content

[0006] The utility model provides a vehicle battery bracket to solve the problem that when the battery is fixed to the outer side of the frame longitudinal beam through the battery bracket, the enclosure plate of the battery bracket forms an enclosure and shielding for the battery, resulting in heat accumulation in the battery bracket and poor heat dissipation effect of the battery.

[0007] The technical solution adopted by the utility model is:

[0008] A vehicle battery bracket is fixed to the outer side surface of a frame longitudinal beam, has a rear end fixed to the frame longitudinal beam and a front end away from the frame longitudinal beam, the vehicle battery bracket includes a front side plate located at the front end, a rear side plate located at the rear end and two side plates, the front side plate, the rear side plate and the side plates together form a accommodating cavity for accommodating the battery, the side plates include a plate body and a fixed protrusion protruding toward the accommodating cavity, the fixed protrusion is abutted and fixed to the battery, a heat dissipation gap is provided between the plate body and the battery, and the side wall of the fixed protrusion has an air inlet opening connected to the heat dissipation gap.

[0009] The vehicle battery bracket of the utility model also has the following additional technical features:

[0010] A local area of ​​the side plate protrudes toward the accommodating cavity to form the fixing protrusion, and the heat dissipation gap surrounds the fixing protrusion.

[0011] The side wall of the fixing protrusion is provided with a plurality of through holes arranged along the circumferential direction, and the plurality of through holes form the air inlet opening.

[0012] In the plane of the plate body, the fixing protrusion extends along the rear end toward the front end, and the fixing protrusion has a fixing portion abutting against the battery and a supporting portion connecting the fixing portion and the plate body, and the supporting portion includes an upper side wall located on the upper side of the fixing protrusion and a lower side wall located on the lower side of the fixing protrusion, and at both ends of the extension direction of the fixing protrusion, the upper side wall, the lower side wall and the fixing portion jointly form a connecting opening connected to the heat dissipation gap, and the connecting opening forms the air inlet opening.

[0013] The inner wall of the fixing portion abuts against the battery, and the outer wall of the fixing portion gradually extends obliquely into the accommodating cavity toward the front end direction to form a wind guiding slope.

[0014] The side panels include a left side panel and a right side panel, and the left side panel and the right side panel are provided with fixed flanges at the rear ends, and the fixed flanges are fixed to the frame longitudinal beams.

[0015] The rear side plate is located on a side of the fixed flange away from the frame longitudinal beam, a structural gap is provided between the rear side plate and the frame longitudinal beam, an upper edge of the rear side plate is lower than a lower edge of the fixed flange, and the heat dissipation gap between the left side plate and the right side plate and the battery is connected through the structural gap.

[0016] The fixed flange is provided with a plurality of fixing holes, the frame longitudinal beam is provided with matching holes corresponding to the fixing holes one by one, the vehicle battery bracket also includes a locking piece, the locking piece passes through the fixing hole and is fixed with the matching hole, at least part of the fixing hole extends in the vertical direction to form a slide groove, so that the locking piece can slide in the slide groove.

[0017] The lower ends of the front side plate, the rear side plate and the side side plate are provided with supporting flanges extending toward the accommodating cavity, the supporting flanges are located below the battery for supporting the battery, and a plurality of the supporting flanges enclose an exposed area.

[0018] The upper edge of the front side plate is lower than the upper edge of the side plate to form an air outlet connecting the heat dissipation gap with the outside. A fuse box is fixed to the front side plate, and the upper edge of the fuse box is lower than the upper edge of the side plate.

[0019] Due to the adoption of the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0020] 1. In the utility model, the front side panel, the rear side panel, and the two side panels together form the accommodating cavity for accommodating the battery. The multiple side panels surround the battery to support the battery from four sides, thereby preventing the battery from shaking in the horizontal plane and improving the stability of the battery fixed to the outer side of the frame longitudinal beam. The side panel includes a plate body and a fixed protrusion protruding toward the accommodating cavity. The fixed protrusion is fixed in contact with the battery. There is a heat dissipation gap between the plate body and the battery. The side wall of the fixed protrusion has an air inlet opening connected to the heat dissipation gap. During the operation of the battery, the battery continuously generates heat. The heat generated by the battery continuously evaporates into the heat dissipation gap and evaporates to the outside through the air inlet opening, so that the heat generated by the battery can be evaporated in time, thereby preventing the heat from accumulating at the battery and causing damage to the battery and shortening its life. In addition, when the battery is in operation, the vehicle is in driving state most of the time. The vehicle battery bracket is fixed to the outer side of the frame longitudinal beam, and the extension plane formed by the plate body is perpendicular to the outer side of the frame longitudinal beam. The airflow flowing toward the rear of the vehicle formed during the driving process blows toward the side plate, which can increase the amount of airflow entering the heat dissipation gap through the air inlet opening, accelerate the airflow in the heat dissipation gap, and accelerate the volatilization of heat in the battery and the heat dissipation gap. The heat dissipation gap extends in a direction parallel to the plate body, and the side wall of the fixed protrusion is provided with an air inlet opening. The airflow flowing from the air inlet opening into the heat dissipation gap has the same airflow direction as the extension direction of the heat dissipation gap, which can further promote the airflow to flow in the heat dissipation gap, thereby improving the heat dissipation effect on the battery.

[0021] 2. As a preferred embodiment of the present invention, the side wall of the fixed protrusion is provided with a plurality of through holes arranged in the circumferential direction, and the plurality of through holes form the air inlet opening. The side wall of the fixed protrusion is provided with a plurality of through holes arranged in the circumferential direction, and the airflow entering the heat dissipation gap through the through holes flows from the fixed protrusion as the center to the surrounding of the heat dissipation gap, thereby increasing the area of ​​the heat dissipation gap through which the airflow flows, increasing the area of ​​the airflow cooling the side wall of the battery, and increasing the cooling effect.

[0022] 3. As a preferred embodiment of the present invention, the inner wall of the fixing part abuts against the battery, and the outer wall of the fixing part gradually extends obliquely into the accommodating cavity toward the front end direction to form a wind guiding slope. The inner wall and the outer wall of the fixing part form a triangular supporting structure, thereby forming a reinforcing structure at the fixing part, reducing the deformation and damage of the fixing part caused by external force, reducing the external force transmitted to the battery through the fixing part, and thus improving the protection of the battery. The battery abuts against the inner wall of the fixing part, which can also avoid the deformation of the fixing part under the squeezing effect of the battery, reduce the vibration of the battery in the horizontal direction, and improve the support stability of the fixing part to the battery. The fixing protrusion protrudes toward the accommodating cavity, and forms a depression relative to the plate body on the outer side wall of the side plate. Part of the airflow flowing to the side plate flows into the recess, flows toward the front end of the recess under the guidance of the wind guide slope, and then flows into the heat dissipation gap through the air inlet opening, thereby driving the airflow in the heat dissipation gap to flow toward the front end, increasing the airflow flow speed in the heat dissipation gap and improving the heat dissipation effect.

[0023] 4. As a preferred embodiment of the present invention, the fixed flange is provided with a plurality of fixing holes, the frame longitudinal beam is provided with matching holes corresponding to the fixing holes one by one, and the vehicle battery holder further comprises a locking piece, the locking piece passes through the fixing hole and is matched and fixed with the matching hole, and at least part of the fixing hole extends in the vertical direction to form a slide groove, so that the locking piece can slide in the slide groove. Some of the plurality of fixing holes are circular hole-shaped structures, the locking piece passes through some of the circular hole-shaped fixing holes and is fixed with the matching hole, and the fixing hole limits the locking piece to avoid displacement of the vehicle battery holder on the outer surface of the frame longitudinal beam. The fixed flange is provided with a plurality of fixing holes, and the locking piece fixes the fixed flange at multiple points, which can avoid shaking caused by partial areas of the fixed flange being relatively far away from or close to the frame longitudinal beam, thereby improving the stability of the fixation of the vehicle battery holder. At least part of the fixing hole extends in the vertical direction to form a slide groove, so that the locking piece can slide in the slide groove, and the distance between the fixing points of the locking piece to the fixed flange can be adjusted, so that the vehicle battery bracket can be fixed on the frame longitudinal beam with different matching hole spacings, thereby improving the application range of the vehicle battery bracket.

[0024] 5. As a preferred embodiment of the utility model, the upper edge of the front side panel is lower than the upper edge of the side panel to form an air outlet opening connecting the heat dissipation gap with the outside world. The front side panel is fixed with a fuse box, and the upper edge of the fuse box is lower than the upper edge of the side panel. The air in the heat dissipation gap can flow out through the air outlet opening, and an air flow path can be formed in the heat dissipation gap, so as to realize the flow of air in the heat dissipation gap and improve the heat dissipation effect. The air outlet opening faces the front end, that is, toward the side of the vehicle away from the frame longitudinal beam. The airflow flowing out through the air outlet opening is not blocked by structures such as the frame longitudinal beam, the vehicle chassis, and the side panel of the vehicle battery bracket, so that the airflow can flow out smoothly, and the flow speed of the airflow can be increased to improve the heat dissipation effect. The fuse box is fixed to the front side panel, which can reduce the occupation of the fuse box on the frame longitudinal beam space, and facilitate the layout and installation of the battery frame, circuit, etc. on the frame longitudinal beam. The fuse box is fixed to the front side plate and is located on the outside of the frame longitudinal beam. The upper edge of the fuse box is lower than the upper edge of the side plate, which increases the space size between the fuse box and the vehicle chassis and provides working space for replacing or repairing the fuse box. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0026] Figure 1 This is a schematic structural diagram of the vehicle battery bracket according to an embodiment of the utility model, wherein the battery is located in the accommodating cavity;

[0027] Figure 2 This is a schematic structural diagram of the vehicle battery bracket in another embodiment of the utility model;

[0028] Figure 3 for Figure 2 A magnified schematic diagram of the middle A area;

[0029] Figure 4 This is a schematic structural diagram of the vehicle battery bracket in another embodiment of the utility model;

[0030] Figure 5 It is a top view of a horizontal cross section of the vehicle battery bracket in another embodiment of the utility model.

[0031] in:

[0032] 1 front side panel;

[0033] 2 rear side panels;

[0034] 3 side panels; 31 plate body; 32 fixed protrusion; 321 air inlet opening; 3211 through hole; 3212 connecting opening; 322 fixed portion; 3221 wind guide slope; 323 support portion; 33 fixed flange; 331 fixed hole; 3311 first fixed hole; 3312 second fixed hole; 3313 slide groove; 34 left side panel; 35 right side panel; 36 accommodating cavity;

[0035] 4 supporting flange; 41 exposed area;

[0036] 5. Battery;

[0037] 6. Fuse box;

[0038] 7 auxiliary bracket; 71 main power switch; 72 wire harness. DETAILED DESCRIPTION

[0039] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0040] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0041] In addition, in the description of the present invention, it should be understood that the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships, are 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0042] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" 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, an electrical connection, or a communication; 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. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "implementation method", "example", "one embodiment", "example" or "specific example" 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 representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0044] like Figure 1 , Figure 2 and Figure 4 As shown, a vehicle battery bracket is fixed to the outer side surface of the frame longitudinal beam, has a rear end fixed to the frame longitudinal beam and a front end away from the frame longitudinal beam, the vehicle battery bracket includes a front side plate 1 located at the front end, a rear side plate 2 located at the rear end and two side plates 3, the front side plate 1, the rear side plate 2, and the side plates 3 together form a accommodating cavity 36 for accommodating a battery 5, the side plate 3 includes a plate body 31 and a fixing protrusion 32 protruding toward the accommodating cavity 36, the fixing protrusion 32 is abutted and fixed to the battery 5, a heat dissipation gap is provided between the plate body 31 and the battery 5, and a side wall of the fixing protrusion 32 has an air inlet opening 321 connected to the heat dissipation gap.

[0045] The vehicle battery bracket of the utility model is suitable for a mid-mounted power battery vehicle, in which the power battery of the vehicle is arranged on the inner side of the frame longitudinal beam, occupying the chassis space inside the frame longitudinal beam. The battery 5 is fixed to the outer side of the frame longitudinal beam through the vehicle battery bracket.

[0046] The front side plate 1, the rear side plate 2, and the two side plates 3 together form the accommodating chamber 36 for accommodating the battery 5. The battery 5 is generally a rectangular parallelepiped structure, and the multiple side plates surround the battery 5 to support the battery 5 from four sides, thereby preventing the battery 5 from shaking in the horizontal plane and improving the stability of the battery 5 fixed to the outer side of the frame longitudinal beam. In addition, the multiple side plates shield part of the battery 5, thereby reducing the direct collision impact on the battery 5 caused by uneven ground or splashed stones during the driving of the vehicle, and reducing the impact damage to the battery 5.

[0047] The side plate 3 includes a plate body 31 and a fixed protrusion 32 protruding toward the accommodating cavity 36, the fixed protrusion 32 is fixedly abutted against the battery 5, a heat dissipation gap is provided between the plate body 31 and the battery 5, and the side wall of the fixed protrusion 32 has an air inlet opening 321 connected to the heat dissipation gap. During the operation of the battery 5, the battery 5 continuously generates heat, and the heat generated by the battery 5 continuously evaporates into the heat dissipation gap and evaporates to the outside through the air inlet opening 321, so that the heat generated by the battery 5 can be evaporated in time, avoiding the accumulation of heat at the battery 5, which may damage the battery 5 and shorten its life. In addition, when the battery 5 is in operation, the vehicle is in a driving state most of the time. The vehicle battery bracket is fixed to the outer side surface of the frame longitudinal beam, and the extension plane formed by the plate body 31 is perpendicular to the outer side surface of the frame longitudinal beam. The airflow flowing toward the rear of the vehicle formed during the driving of the vehicle blows toward the side plate 3, which can increase the airflow entering the heat dissipation gap through the air inlet opening 321, accelerate the airflow in the heat dissipation gap, and thus accelerate the volatilization of heat in the battery 5 and the heat dissipation gap.

[0048] The heat dissipation gap extends in a direction parallel to the plate body 31. Figure 2 As shown, the fixing protrusion 32 protrudes toward the accommodating cavity 36, and a depression relative to the plate body 31 is formed on the outer side wall of the side plate 3. The airflow flowing to the side plate 3 flows more into the depression and flows into the heat dissipation gap through the air inlet opening 321, which can increase the airflow flow in the heat dissipation gap. The side wall of the fixing protrusion 32 is provided with an air inlet opening 321. The airflow flowing from the air inlet opening 321 into the heat dissipation gap has the same flow direction as the extension direction of the heat dissipation gap, which reduces the obstruction of the airflow during the flow process, increases the flow speed of the airflow in the heat dissipation gap, and thus improves the heat dissipation effect on the battery 5.

[0049] like Figure 2 As shown, a local area of ​​the side plate 3 protrudes toward the accommodating cavity 36 to form the fixed protrusion 32, and the heat dissipation gap surrounds the fixed protrusion 32. The heat dissipation gap in each side plate 3 is a interconnected cavity, and is not separated into independent cavities by the fixed protrusion 32, so as to avoid heat accumulation in some areas due to air not circulating in the independent cavity, and avoid reducing the heat dissipation effect of the battery 5. The fixed protrusion 32 is located in the central area of ​​the side plate 3, and the heat dissipation gap surrounds the fixed protrusion 32, thereby increasing the distribution range of air entering the heat dissipation gap through the air inlet opening 321, and increasing the heat dissipation range of the battery 5.

[0050] The utility model does not limit the number of the fixing protrusions 32. Each side plate 3 can be provided with a fixing protrusion 32. The positions of the fixing protrusions 32 on the two side plates 3 correspond to each other. The clamping forces of the two fixing protrusions 32 on the battery 5 are on the same axis, and the fixing of the battery 5 is more stable. Similarly, multiple fixing protrusions 32 can be provided to fix the battery 5 at multiple positions and improve the fixing effect of the battery 5. At this time, the position of the fixing protrusion 32 on the side plate 3 is not limited.

[0051] The utility model does not limit the arrangement form of the air inlet opening 321, and any one of the following embodiments may be adopted.

[0052] Embodiment 1: The side wall of the fixed protrusion 32 is provided with a plurality of through holes 3211 arranged in the circumferential direction, and the plurality of through holes 3211 form the air inlet opening 321. The side wall of the fixed protrusion 32 is provided with a plurality of through holes 3211 arranged in the circumferential direction, and the airflow flowing through the side plate 3 flows into the heat dissipation gap through the through holes 3211. The airflow entering the heat dissipation gap through the through holes 3211 flows from the fixed protrusion 32 as the center to the surrounding of the heat dissipation gap, thereby increasing the area of ​​the heat dissipation gap through which the airflow flows, increasing the side wall area of ​​the battery 5 through which the airflow flows, and increasing the cooling effect.

[0053] In this embodiment, within the plane of the plate body 31, the shape of the fixing protrusion 32 may be circular, square, hexagonal, etc., so that airflow evenly flows into the heat dissipation gap along the center of the fixing protrusion 32, thereby improving the uniformity of cooling the battery 5. In addition, within the plane of the plate body 31, the shape of the fixing protrusion 32 may also be other shapes such as a rectangle.

[0054] Implementation method 2: Figure 2 and Figure 3As shown, in the plane of the plate body 31, the fixing protrusion 32 extends from the rear end to the front end, and the fixing protrusion 32 has a fixing portion 322 abutting against the battery 5 and a supporting portion 323 connecting the fixing portion 322 and the plate body 31, and the supporting portion 323 includes an upper side wall located on the upper side of the fixing protrusion 32 and a lower side wall located on the lower side of the fixing protrusion 32. At both ends of the extending direction of the fixing protrusion 32, the upper side wall, the lower side wall and the fixing portion 322 jointly form a connecting opening 3212 connecting the heat dissipation gap, and the connecting opening 3212 forms the air inlet opening 321. The fixing portions 322 of the two side plates 3 clamp and fix the battery 5 on both sides of the battery 5. The fixing protrusion 32 extending in the plane of the plate body 31 increases the abutting area between the fixing portion 322 and the battery 5, thereby improving the stability of the fixing portion 322 fixing the battery 5. In addition, increasing the contact area between the fixing portion 322 and the battery 5 can also reduce the pressure of the fixing portion 322 on the battery 5 when the battery 5 tends to shake in the front-to-back direction, thereby preventing the battery 5 from being squeezed and damaged.

[0055] In the plane of the plate body 31, the fixing protrusion 32 extends from the rear end to the front end, and no structural side walls are provided at both ends of the fixing protrusion 32 along the extension direction, thereby forming a connecting opening 3212 for connecting the heat dissipation gap with the outside. Figure 2 As shown, the fixed protrusion 32 protrudes toward the accommodating cavity 36, and forms a depression relative to the plate body 31 on the outer side wall of the side plate 3. In the plane of the plate body 31, the depression also extends from the rear end to the front end. Part of the airflow that flows to the outside of the side plate 3 flows into the depression. Under the guidance of the depression, the airflow that flows into the depression can form an airflow that flows along the extension direction of the depression, and flows into the heat dissipation gap through the connecting openings 3212 at both ends. It flows into the heat dissipation gap through the connecting opening 3212 located at the front end of the fixed protrusion 32, and can flow through the heat dissipation gap toward the outside of the vehicle, thereby reducing structural obstructions to the airflow during the flow process, improving the smoothness and flow speed of the airflow, and thereby improving the cooling effect on the battery 5. The airflow flowing into the heat dissipation gap through the connecting opening 3212 located at the rear end of the fixing protrusion 32 creates a disturbance to the air in the heat dissipation gap, thereby promoting the air in the heat dissipation gap to flow faster and increasing the area of ​​the heat dissipation gap through which the airflow flows, thereby increasing the area of ​​the airflow through the battery 5 and improving the uniformity and effectiveness of cooling the battery 5.

[0056] Preferably, Figure 2 and Figure 3As shown, the upper side wall and the lower side wall are provided with the through hole 3211 as in the first embodiment. When the airflow flows along the extension direction of the recess, part of the airflow flows into the heat dissipation gap through the through hole 3211, which can form disturbances on the heat dissipation gaps on both sides of the extension direction of the fixed protrusion 32, and promote the airflow in the heat dissipation gap to flow faster. At the same time, the through hole 3211 can also reduce the airflow flow rate flowing out of the recess along the upper side wall and the lower side wall, thereby increasing the airflow flow rate entering the heat dissipation gap, which has the effect of cooling the battery 5.

[0057] Preferably, Figure 5 As shown, the inner wall of the fixing portion 322 abuts against the battery 5, and the outer wall of the fixing portion 322 gradually extends obliquely toward the front end direction into the accommodating cavity 36 to form a wind guide slope. The fixing protrusion 32 comprises the upper side wall, the lower side wall and the fixing portion 322, and the fixing portion 322 abuts against the battery 5. The fixing portion 322 may be deformed and damaged under the extrusion of the battery 5. The inner wall and the outer wall of the fixing portion 322 form a triangular support structure, thereby forming a reinforcement structure in the fixing portion 322, reducing the deformation of the fixing portion 322 under the action of external force, reducing the external force transmitted to the battery 5 through the fixing portion 322, and thus improving the protection of the battery 5. The battery 5 abuts against the inner wall of the fixing portion 322, which can also avoid the deformation of the fixing portion 322 under the extrusion of the battery 5, reduce the vibration of the battery 5 in the horizontal direction, and improve the support stability of the fixing portion 322 to the battery 5. The fixing protrusion 32 protrudes toward the accommodating cavity 36, and forms a depression relative to the plate body 31 on the outer side wall of the side plate 3. The airflow flowing to the side plate 3 partially flows into the depression, flows toward the front end direction of the depression under the guidance of the wind guide slope, and then flows into the heat dissipation gap through the air inlet opening 321, thereby driving the airflow in the heat dissipation gap to flow toward the front end direction, and then flows out to the outside of the vehicle, reducing structural obstruction during the flow of the airflow, increasing the flow speed of the airflow in the heat dissipation gap, and improving the heat dissipation effect.

[0058] In this embodiment, if Figure 2 and Figure 3 As shown, the cross section of the fixing protrusion 32 in the vertical direction may be a square protrusion or a rectangular protrusion, and the edge of the fixing portion 322 facing the battery 5 is a plane, so that the fixing portion 322 abuts against the battery 5. An arc transition is provided between the supporting portion 323 and the fixing portion 322 to reduce the sharp corner collision generated when the battery 5 is placed in the accommodating cavity 36. Alternatively, the supporting portion 323 is in the shape of an arc arched toward the accommodating cavity 36.

[0059] As a preferred embodiment of the present invention, Figure 4 As shown, the side plate 3 includes a left side plate 34 and a right side plate 35, and the left side plate 34 and the right side plate 35 are provided with a fixed flange 33 at the rear end, and the fixed flange 33 is fixed to the frame longitudinal beam. The vehicle battery holder is fixed to the frame longitudinal beam through the fixed flange 33. The fixed flanges 33 of the left side plate 34 and the right side plate 35 are fixed at the left and right ends of the vehicle battery holder. In addition, the fixed flange 33 is formed with the flange of the side plate 3, and the side plate 3 is directly fixed by the fixed flange 33, and the fixing method is more stable. In the common battery holder, when the vehicle battery holder is fixed to the frame longitudinal beam through the rear side plate 2, a connecting structure still needs to be provided between the rear side plate 2 and the side plate 3, and the battery 5 may fall due to the separation between the rear side plate 2 and the side plate 3, and the fixing of the battery 5 is not stable.

[0060] In addition, in a mid-mounted power battery vehicle, power batteries, storage batteries 5, motor controllers, converters, motor controllers, cables, etc. need to be arranged on the frame longitudinal beams, and the installation space of the frame longitudinal beams is relatively tight. The fixed flange 33 is fixed to the frame longitudinal beam, and the cross-sectional size of the fixed flange 33 in the horizontal plane is generally smaller than the cross-sectional size of the rear side plate 2 in the horizontal plane. The installation space of the frame longitudinal beam occupied by the fixed flange 33 is small, and the installation area between the two fixed flanges 33 can be used for cable fixing, etc., so as to make full use of the installation space of the frame longitudinal beam.

[0061] This embodiment does not limit the flange direction of the fixed flange 33. The left side plate 34 and the right side plate 35 are simultaneously flanged outward from the accommodating cavity 36 to form the fixed flange 33. When the vehicle battery bracket is installed on the frame longitudinal beam, the fixed flange 33 is not blocked by the structure, which facilitates observation of the installation position and installation operations. Figure 4 As shown, the left side plate 34 and the right side plate 35 are simultaneously turned inwardly toward the accommodating cavity 36 to form the fixed flange 33. Of course, one of the left side plate 34 and the right side plate 35 can also be turned inwardly toward the accommodating cavity 36, and the other can be turned outwardly toward the accommodating cavity 36 to form the fixed flange 33.

[0062] Preferably, Figure 5As shown, the rear side panel 2 is located on the side of the fixed flange 33 away from the frame longitudinal beam, and there is a structural gap between the rear side panel 2 and the frame longitudinal beam. The upper edge of the rear side panel 2 is lower than the lower edge of the fixed flange 33, and the heat dissipation gaps between the left side panel 34 and the right side panel 35 and the battery 5 are connected through the structural gap. The heat dissipation gap between the left side panel 34 and the battery 5 and the heat dissipation gap between the right side panel 35 and the battery 5 are connected through the structural gap, and the heat dissipation gaps in the vehicle battery bracket are connected to form a cavity that is interconnected, which can realize the diffusion flow of air in the heat dissipation gap. It avoids the problem that the heat dissipation gap has a part of the area that is not circulated, resulting in the concentration of heat in some areas and poor heat dissipation effect.

[0063] Preferably, Figure 4 As shown, the fixing flange 33 is provided with a plurality of fixing holes 331, and the frame longitudinal beam is provided with matching holes corresponding to the fixing holes 331 one by one. The vehicle battery bracket also includes a locking member, and the locking member passes through the fixing holes 331 and is matched and fixed with the matching holes. At least part of the fixing holes 331 extend in the vertical direction to form a slide groove 3313, so that the locking member can slide in the slide groove 3313. Some of the fixing holes 331 are circular hole-shaped structures, and the locking member passes through the circular hole-shaped part of the fixing holes 331 to be fixed with the matching holes. The fixing holes 331 limit the locking member to avoid displacement of the vehicle battery bracket on the outer surface of the frame longitudinal beam. The fixing flange 33 is provided with a plurality of fixing holes 331, and the locking member fixes the fixing flange 33 at multiple points, which can avoid shaking caused by partial areas of the fixing flange 33 being relatively far away from or close to the frame longitudinal beam, thereby improving the stability of the fixing of the vehicle battery bracket. At least part of the fixing hole 331 extends in the vertical direction to form a slide groove 3313, so that the locking piece can slide in the slide groove 3313, and the distance between the fixing points of the locking piece to the fixed flange 33 can be adjusted, so that the vehicle battery bracket can be fixed on the frame longitudinal beam with different matching hole spacings, thereby improving the application range of the vehicle battery bracket.

[0064] Specifically, Figure 4As shown, each of the fixed flanges 33 is provided with two fixing holes 331, including a first fixing hole 3311 and a second fixing hole 3312. The first fixing hole 3311 is located above the second fixing hole 3312, and the first fixing hole 3311 is a circular hole structure, and the second fixing hole 3312 extends in the vertical direction to form a slide groove 3313. The first fixing hole 3311 is located near the upper edge of the fixed flange 33 relative to the second fixing hole 3312, which reduces the distance from the first fixing hole 3311 to the upper edge of the fixed flange 33, and avoids the upper edge of the fixed flange 33 from interfering with the chassis when the vehicle battery bracket is installed on the frame longitudinal beam. When the distance between the first fixing hole 3311 and the upper edge of the fixed flange 33 is greater than the distance between the matching hole on the upper side of the frame longitudinal beam and the chassis, the upper edge of the fixed flange 33 interferes with the chassis. The distance from the first fixing hole 3311 to the upper edge of the fixing flange 33 is reduced, which can reduce the possibility of interference between the upper edge of the fixing flange 33 and the vehicle chassis. When the locking member passes through the first fixing hole 3311 and cooperates with the matching hole, the vibration of the vehicle battery bracket relative to the frame longitudinal beam in the plane of the outer side of the frame longitudinal beam can be avoided.

[0065] When the vehicle type changes, the spacing between the two matching holes arranged longitudinally on the frame longitudinal beam may change. The locking member can slide along the slide groove 3313, and can adjust the spacing between the fixing points of the locking member on the fixed flange 33, so that the vehicle battery bracket can be fixed on the frame longitudinal beam with different matching hole spacings, thereby improving the application range of the vehicle battery bracket. The locking member passes through the second fixing hole 3312 and cooperates with the matching hole, which can prevent the vehicle battery bracket from vibrating relatively away from or close to the frame longitudinal beam. The locking member passes through the first fixing hole 3311 and the second fixing hole 3312 and cooperates with the matching holes to fix the vehicle battery bracket to the frame longitudinal beam, thereby improving the stability of the fixing of the vehicle battery bracket.

[0066] As a preferred embodiment of the present invention, Figure 2 and Figure 5As shown, the lower ends of the front side plate 1, the rear side plate 2, and the side plate 3 are provided with supporting flanges 4 extending toward the accommodating cavity 36, and the supporting flanges 4 are located below the battery 5 for supporting the battery 5, and a plurality of the supporting flanges 4 surround an exposed area 41. The supporting flanges 4 formed by the front side plate 1, the rear side plate 2, and the side plate 3 form a circumferential support for the bottom surface of the battery 5, thereby improving the stability of the support for the battery 5. In addition, the supporting flanges 4 are formed by the flanges of the front side plate 1, the rear side plate 2, and the side plate 3, and the force of the battery 5 on the supporting flanges 4 acts on the front side plate 1, the rear side plate 2, and the side plate 3 through the supporting flanges 4, thereby avoiding the detachment of the local structure of the vehicle battery holder due to excessive force on the local structure. The plurality of supporting flanges 4 enclose an exposed area 41 , through which a local area of ​​the battery 5 is exposed, thereby increasing the amount of heat that the battery 5 diffuses outward through the exposed area 41 .

[0067] The upper edge of the front side panel 1 is lower than the upper edge of the side panel 3 to form an air outlet opening connecting the heat dissipation gap with the outside world. The front side panel 1 is fixed with a fuse box 6, and the upper edge of the fuse box 6 is lower than the upper edge of the side panel 3. The air in the heat dissipation gap can flow out through the air outlet opening, and an air flow path can be formed in the heat dissipation gap, so as to achieve the flow of air in the heat dissipation gap and improve the heat dissipation effect. The air outlet opening faces the front end, that is, toward the side of the vehicle away from the frame longitudinal beam. The airflow flowing out through the air outlet opening is not blocked by structures such as the frame longitudinal beam, the vehicle chassis, and the side panel of the vehicle battery bracket, so that the airflow can flow out smoothly, and the flow speed of the airflow can be increased to improve the heat dissipation effect. The fuse box 6 is fixed to the front side panel 1, which can reduce the occupation of the frame longitudinal beam space by the fuse box 6, and facilitate the layout and installation of the battery frame, circuits, etc. on the frame longitudinal beam. The fuse box 6 is fixed to the front side panel 1 and is located on the outside of the frame longitudinal beam. The upper edge of the fuse box 6 is lower than the upper edge of the side panel 3, which increases the space size between the fuse box 6 and the vehicle chassis, providing working space for replacing or repairing the fuse box 6.

[0068] Preferably, Figure 5As shown, at least one of the side panels 3 is fixed with an auxiliary bracket 7, and the auxiliary bracket 7 is fixed with a main power switch 71 and a wire harness 72 connecting the main power switch 71 and the fuse box 6. The main power switch 71 is fixed to the vehicle battery bracket through the auxiliary bracket 7, and then fixed to the frame longitudinal beam, so that the main power switch 71 is fixed and the installation space of the frame longitudinal beam is reduced. The wire harness 72 constrains the line between the main power switch 71 and the fuse box 6, and the line is shaken or rubbed against the chassis during the driving process of the vehicle, resulting in damage. At the same time, it can also ensure the consistency of the line layout and reduce the differences between the same products caused by different manual operations.

[0069] The parts not described in the present invention can be realized by adopting or drawing on the existing technology.

[0070] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0071] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A vehicle battery bracket, fixed to the outer side of the frame longitudinal beam, characterized in that: The vehicle battery bracket has a rear end fixed to the frame longitudinal beam and a front end away from the frame longitudinal beam. The vehicle battery bracket includes a front side plate located at the front end, a rear side plate located at the rear end, and two side plates. The front side plate, the rear side plate, and the side plates together form a accommodating cavity for accommodating the battery. The side plates include a plate body and a fixed protrusion protruding toward the accommodating cavity. The fixed protrusion is abutted and fixed to the battery. A heat dissipation gap is provided between the plate body and the battery. The side wall of the fixed protrusion has an air inlet opening connected to the heat dissipation gap.

2. The vehicle battery bracket according to claim 1, characterized in that: A local area of ​​the side plate protrudes toward the accommodating cavity to form the fixing protrusion, and the heat dissipation gap surrounds the fixing protrusion.

3. The vehicle battery bracket according to claim 1, characterized in that: The side wall of the fixing protrusion is provided with a plurality of through holes arranged along the circumferential direction, and the plurality of through holes form the air inlet opening.

4. The vehicle battery bracket according to claim 1, characterized in that: In the plane of the plate body, the fixing protrusion extends along the rear end toward the front end, and the fixing protrusion has a fixing portion abutting against the battery and a supporting portion connecting the fixing portion and the plate body, and the supporting portion includes an upper side wall located on the upper side of the fixing protrusion and a lower side wall located on the lower side of the fixing protrusion, and at both ends of the extension direction of the fixing protrusion, the upper side wall, the lower side wall and the fixing portion jointly form a connecting opening connected to the heat dissipation gap, and the connecting opening forms the air inlet opening.

5. The vehicle battery bracket according to claim 4, characterized in that: The inner wall of the fixing portion abuts against the battery, and the outer wall of the fixing portion gradually extends obliquely into the accommodating cavity toward the front end direction to form a wind guiding slope.

6. The vehicle battery bracket according to claim 1, characterized in that: The side panels include a left side panel and a right side panel, and the left side panel and the right side panel are provided with fixed flanges at the rear ends, and the fixed flanges are fixed to the frame longitudinal beams.

7. The vehicle battery bracket according to claim 6, characterized in that: The rear side plate is located on a side of the fixed flange away from the frame longitudinal beam, a structural gap is provided between the rear side plate and the frame longitudinal beam, an upper edge of the rear side plate is lower than a lower edge of the fixed flange, and the heat dissipation gap between the left side plate and the right side plate and the battery is connected through the structural gap.

8. The vehicle battery bracket according to claim 6, characterized in that: The fixed flange is provided with a plurality of fixing holes, the frame longitudinal beam is provided with matching holes corresponding to the fixing holes one by one, the vehicle battery bracket also includes a locking piece, the locking piece passes through the fixing hole and is fixed with the matching hole, at least part of the fixing hole extends in the vertical direction to form a slide groove, so that the locking piece can slide in the slide groove.

9. The vehicle battery bracket according to claim 1, characterized in that: The lower ends of the front side plate, the rear side plate and the side side plate are provided with supporting flanges extending toward the accommodating cavity, the supporting flanges are located below the battery to support the battery, and a plurality of the supporting flanges enclose an exposed area.

10. The vehicle battery bracket according to claim 1, characterized in that: The upper edge of the front side plate is lower than the upper edge of the side plate to form an air outlet opening connecting the heat dissipation gap with the outside. A fuse box is fixed to the front side plate, and the upper edge of the fuse box is lower than the upper edge of the side plate.

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