A new energy automobile battery pack support

Abstract

The application relates to the technical field of new energy batteries, in particular to a new energy automobile battery pack support which comprises a U-shaped first mounting rack and a second mounting rack, the first mounting rack and the second mounting rack are distributed in an upper-lower interval, the two side walls of the second mounting rack are tightly combined with the two side walls of the first mounting rack, an air inlet space is left between the first mounting rack and the second mounting rack, the bottom of the first mounting rack is provided with an air inlet through hole for the upward flow of gas in the air inlet space; an air guide assembly is installed in the inside of the air inlet space and is used for conveying heat dissipation gas to the inside of the first mounting rack; the air guide assembly comprises a plurality of air guide plates which are arranged in parallel and are inclined; the air guide plates are used for guiding the air in the inside of the air inlet space into the inside of the first mounting rack from the air inlet through hole. In the application, the continuously working battery pack can be cooled more quickly, and the battery temperature is prevented from being too high.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of new energy battery, and particularly relates to a new energy automobile battery pack support. BACKGROUND

[0002] The new energy automobile generally refers to an electric vehicle, and the electric vehicle refers to a vehicle which is powered by a vehicle-mounted power source, is driven by an electric motor, and meets various requirements of road traffic and safety regulations; in the use process of the new energy automobile, a battery needs to be continuously discharged, and in the process of discharging the battery, a chemical reaction (such as lithium ion intercalation / deintercalation electrode material) occurs inside, and is accompanied by resistance heat production (Joule heat), if the heat cannot be discharged in time, the temperature of the battery will rapidly rise.

[0003] Generally, the heat dissipation mode of the battery pack is generally to smear the heat-conducting glue on the battery pack, to transfer the heat to the support or the box wall on which the battery is installed, and then to dissipate heat from the battery support or the box wall, but the heat dissipation efficiency of this mode will be reduced due to the attachment of dust or corrosion on the surface of the battery support. SUMMARY

[0004] TECHNICAL PROBLEM

[0005] In view of the above-mentioned defects in the prior art, the present application provides a new energy automobile battery pack support, which can effectively solve the problem that the heat dissipation mode of the battery pack in the prior art is generally to smear the heat-conducting glue on the battery pack, to transfer the heat to the support or the box wall on which the battery is installed, and then to dissipate heat from the battery support or the box wall, but the heat dissipation efficiency of this mode will be reduced due to the attachment of dust or corrosion on the surface of the battery support.

[0006] TECHNICAL SCHEME

[0007] In order to achieve the above-mentioned purposes, the present application is implemented by the following technical scheme:

[0008] The present application provides a new energy automobile battery pack support, which comprises a U-shaped first mounting frame and a second mounting frame, the first mounting frame and the second mounting frame are distributed in an upper and lower interval, the two side walls of the second mounting frame are tightly combined with the two side walls of the first mounting frame, an air inlet space is left between the first mounting frame and the second mounting frame, and the bottom of the first mounting frame is provided with an air inlet hole for the upward flow of the gas in the air inlet space.

[0009] The air guide assembly is installed in the inside of the air inlet space, and is used for conveying the heat dissipation gas to the inside of the first mounting frame, the air guide assembly comprises a plurality of air guide plates which are arranged in parallel and are inclined, and the air guide plates are used for guiding the air in the air inlet space from the air inlet hole into the inside of the first mounting frame.

[0010] Further, the first mounting frame is provided with U-shaped mounting plates with openings downward on both sides, the second mounting frame is slidably connected with the U-shaped mounting plates, and the inner walls of the U-shaped mounting plates are fixedly provided with telescopic members for adjusting the up-and-down position of the second mounting frame below the first mounting frame.

[0011] Further, the side walls of the first mounting frame and the second mounting frame are respectively provided with a plurality of first exhaust holes and a plurality of second exhaust holes, the first exhaust holes and the second exhaust holes are mutually penetrable, the inner wall upper end of each first exhaust hole is flush with the second exhaust hole, and the inner wall lower end of each first exhaust hole is lower than the second exhaust hole.

[0012] Further, the lower end of the air deflector is provided with a rotating shaft, the rotating shaft is provided with torsion springs for driving the upper end of the air deflector to rotate upward, and the lengths of the air deflectors increase in sequence along the air flow direction.

[0013] Further, the upper end of each air deflector is provided with a pressing plate for adjusting the rotating angle, both ends of the pressing plate are fixedly provided with connecting shafts, the inner side of the side wall of the second mounting frame is provided with upper-and-lower sliding grooves and limiting grooves for the two connecting shafts to slide in, the upper-and-lower sliding grooves are located on the side of the longer air deflector and are used for guiding the upper-and-lower sliding of one end of the pressing plate, and the limiting grooves are located on the side of the shorter air deflector and are used for limiting the upper-and-lower sliding height of the other end of the pressing plate.

[0014] Further, each row of air deflectors is respectively installed below each row of air inlet holes, the first mounting frame is provided with a first sealing plate below and the second mounting frame is provided with a second sealing plate inside, the first sealing plate and the second sealing plate are in close contact with each other, and the first sealing plate and the second sealing plate are located on the side closer to the longer air deflector.

[0015] Further, the inside of the mounting plate is fixedly provided with a plurality of cooling storage tanks, the side of the cooling storage tank is provided with a connecting pipe penetrating through the side wall of the first mounting frame, the connecting pipe is provided with a spray head towards the battery placement position in the first mounting frame, the inside of the cooling storage tank stores cooling gas, and the cooling storage tank is used for spraying low-temperature gas to the battery when the temperature of the battery is too high.

[0016] Further, the middle part of the cooling storage tank is provided with a sliding cylinder, the both sides of the sliding cylinder are provided with communication holes, one end of the connecting pipe is in communication with the sliding cylinder, the inside of the sliding cylinder is slidably provided with a sliding rod, the inside of the sliding cylinder is provided with an elastic member for driving the sliding rod to move downward, the sliding rod is provided with a penetrating hole, and the penetrating hole is in communication with the communication hole to release the cooling gas when the sliding rod slides upward.

[0017] Further, the second mounting frame is provided with a support plate on both sides, which is used to drive the sliding rod to move upward during the upward movement of the second mounting frame.

[0018] Further, the inside of the mounting plate is provided with a right-angle plate, and the side of the right-angle plate is provided with a notched hole located at the bottom side of the sliding rod.

[0019] Advantages

[0020] Compared with the known prior art, the technical scheme provided by the application has the following advantages:

[0021] 1. In the application, the first mounting frame and the second mounting frame are arranged at intervals to form an air inlet space between the first mounting frame and the second mounting frame, and a plurality of air deflectors are arranged in the air inlet space. During use, the first mounting frame is mounted on the vehicle frame, and the second mounting frame is located below the first mounting frame. During the forward movement of the vehicle, high-speed flowing gas continuously enters the air inlet space, and then enters the inside of the first mounting frame through the guidance of the air deflectors, so that the battery pack that is continuously working can be cooled more quickly, and the temperature of the battery is prevented from being too high.

[0022] 2. In the application, the first exhaust hole and a plurality of second exhaust holes are arranged on the side walls of the first mounting frame and the second mounting frame respectively, and the inner wall upper end of each first exhaust hole is flush with the second exhaust hole, and the inner wall lower end of each first exhaust hole is lower than the second exhaust hole. During use, when the second mounting frame moves upward, the second exhaust holes and the first exhaust holes are staggered, which can reduce or close the air flow channel between the first exhaust holes and the second exhaust holes, and the degree of heat dissipation can be adjusted according to the use environment. When the second mounting frame moves downward from the initial position, the air flow channel at the first exhaust hole and the second exhaust hole is not affected.

[0023] 3. In the application, the lengths of the plurality of air deflectors increase in sequence along the air flow direction, so that the air flow entering the inside of the air inlet space can be guided by the plurality of air deflectors, the gas can uniformly enter the inside of the first mounting frame from different positions at the bottom of the first mounting frame to dissipate heat, and the heat dissipation effect of the battery pack located in the first mounting frame is more uniform. In addition, the pressing plate is arranged above the plurality of air deflectors, and when the second mounting frame moves upward, the pressing plate is pressed to move downward, so that the pressing plate moves downward at one end of the upper and lower sliding grooves, and the plurality of air deflectors are synchronously rotated, so that the amount of air entering the inside of the first mounting frame can be synchronously controlled.

[0024] 4、the present application, by setting the slide cylinder in the middle of the cooling storage tank, and setting the slide rod in the slide cylinder, when the slide rod slides up, the through hole on the slide rod will connect the communication holes on both sides of the slide cylinder, so that the cooling gas (such as nitrogen) stored in the cooling storage tank is released and sprayed to the battery pack, which can smoothly cool the battery pack; by setting the supporting plate on both sides of the second mounting frame, when the second mounting frame moves to a certain position, the supporting plate can be placed under the slide rod, and then with the continuous upward sliding of the second mounting frame, the slide rod will slide up in the slide cylinder, and the cooling gas will be released. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0026] Figure 1 It is the overall structure diagram of the present application;

[0027] Figure 2 It is the bottom view structure diagram of the present application;

[0028] Figure 3 It is the internal structure diagram of the second mounting frame of the present application;

[0029] Figure 4 It is the overall explosion diagram of the present application;

[0030] Figure 5 It is the explosion diagram of the second mounting frame of the present application;

[0031] Figure 6 It is the A part of the present application Figure 5 The enlarged structure diagram of the local part of the present application;

[0032] Figure 7 It is the cross-sectional side view of the first mounting frame of the present application;

[0033] Figure 8 It is the overall structure diagram of the cooling storage tank of the present application;

[0034] Figure 9 It is the internal structure diagram of the cooling storage tank of the present application.

[0035] The numbers in the figure respectively represent:

[0036] 1, first mounting frame; 101, mounting groove; 102, air inlet hole; 103, first exhaust hole; 11, baffle; 12, telescopic part; 13, nozzle; 14, right angle plate; 1401, notched hole; 15, mounting plate; 16, first sealing plate; 2, second mounting frame; 201, second exhaust hole; 202, air inlet space; 203, up and down sliding groove; 204, limiting groove; 21, support plate; 22, second sealing plate;

[0037] 3, cooling storage tank; 31, sliding cylinder; 3101, communication hole; 32, sliding rod; 33, elastic part; 34, connecting pipe;

[0038] 4, air guide assembly; 41, air guide plate; 411, rotating shaft; 412, torsional spring; 42, pressing plate; 43, connecting shaft. DETAILED DESCRIPTION

[0039] To make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following will be a clear and complete description of the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0040] The present application will be further described in conjunction with the embodiments.

[0041] Therefore, the embodiments of the present application provide a new energy automobile battery pack support, which aims at least at guiding the airflow of high-speed driving of the automobile into the support to cool the battery pack more quickly.

[0042] Embodiment: A new energy automobile battery pack support, as shown in Figure 1 - Figure 3 shown, includes a U-shaped first mounting frame 1 and a second mounting frame 2, a mounting groove 101 for storing a battery pack is arranged in the first mounting frame 1, baffles 11 are arranged at the front and rear ends of the first mounting frame 1, the first mounting frame 1 and the second mounting frame 2 are distributed with an interval in the up and down direction, the two side walls of the second mounting frame 2 are tightly combined with the two side walls of the first mounting frame 1, an air inlet space 202 is left between the first mounting frame 1 and the second mounting frame 2, and an air inlet hole 102 for allowing the gas in the air inlet space 202 to flow upward is arranged at the bottom of the first mounting frame 1;

[0043] An air guide assembly 4 is arranged in the inside of the air inlet space 202 and is used for conveying cooling gas to the inside of the first mounting frame 1, the air guide assembly 4 includes a plurality of air guide plates 41 arranged in parallel and inclined, and the air guide plates 41 are used for guiding the air in the air inlet space 202 from the air inlet hole 102 into the inside of the first mounting frame 1.

[0044] In the present application, the first mounting frame 1 and the second mounting frame 2 are arranged at intervals to form an air inlet space 202 between the first mounting frame 1 and the second mounting frame 2, and a plurality of air deflectors 41 are arranged in the air inlet space 202. In use, the first mounting frame 1 is mounted on the vehicle frame, and the second mounting frame 2 is located below the first mounting frame 1. During the forward movement of the vehicle, high-speed flowing gas continuously enters the air inlet space 202, and then enters the interior of the first mounting frame 1 through the guidance of the air deflectors 41, thereby rapidly cooling the continuously operating battery pack and avoiding excessive temperature of the battery.

[0045] It should be noted that during installation, the first mounting frame 1 is connected to the vehicle frame on both sides, and the air inlet space 202 is opposite the direction of the vehicle head. During the movement of the vehicle, airflow enters the interior of the air inlet space 202 from the opening of the air inlet space 202. In actual use, a flexible screen is arranged at the opening of the air inlet space 202 to prevent debris from entering the interior of the air inlet space 202 during movement.

[0046] Further, as shown in Figure 3 and Figure 4 , the first mounting frame 1 is provided with a U-shaped mounting plate 15 on both sides with the opening facing downward, the second mounting frame 2 is slidably connected to the U-shaped mounting plate 15 on both sides, and the inner wall of the U-shaped mounting plate 15 is fixedly provided with an extension piece 12 for adjusting the up-and-down position of the second mounting frame 2 below the first mounting frame 1.

[0047] Among them, by arranging the U-shaped mounting plate 15 on both sides of the first mounting frame 1, the up-and-down movement of the second mounting frame 2 can be conveniently guided, and the extension piece 12 is arranged on the mounting plate 15, which can adjust the up-and-down position of the second mounting frame 2 as needed during use.

[0048] Further, as shown in Figure 3 and Figure 4 , the first mounting frame 1 and the second mounting frame 2 are respectively provided with a plurality of first exhaust holes 103 and a plurality of second exhaust holes 201 on the side walls, the plurality of first exhaust holes 103 and the plurality of second exhaust holes 201 are mutually penetrated, the inner wall upper end of each first exhaust hole 103 is flush with the second exhaust hole 201, and the inner wall lower end of each first exhaust hole 103 is lower than the second exhaust hole 201.

[0049] Wherein, by setting the first exhaust hole 103 and the second exhaust hole 201 on the side wall of the first mounting frame 1 and the second mounting frame 2 respectively, and making the inner wall of the first exhaust hole 103 and the second exhaust hole 201 flush, and the lower end of the inner wall of the first exhaust hole 103 lower than the second exhaust hole 201, when the second mounting frame 2 moves upward, the second exhaust hole 201 and the first exhaust hole 103 are staggered, which can reduce or close (depending on the height of the second mounting frame 2 rising) the air flow channel between the first exhaust hole 103 and the second exhaust hole 201, and can adjust the heat dissipation according to the use environment; when the second mounting frame 2 moves downward from the initial position, the air flow channel at the first exhaust hole 103 and the second exhaust hole 201 is not affected.

[0050] Further, as shown in Figure 5 、 Figure 6 and Figure 7 , the lower end of the air deflector 41 is provided with a rotating shaft 411, the rotating shaft 411 is provided with a torsion spring 412 for driving the upper end of the air deflector 41 to rotate upward, and the length of the plurality of air deflectors 41 increases in turn along the air flow direction; the upper end of the plurality of air deflectors 41 is provided with a pressing plate 42 for adjusting the rotation angle, both ends of the pressing plate 42 are fixedly installed with a connecting shaft 43, and the inner side of the side wall of the second mounting frame 2 is provided with an upper and lower sliding groove 203 and a limiting groove 204 for the two connecting shafts 43 to slide in respectively, the upper and lower sliding groove 203 is located on one side of the longer air deflector 41, the upper and lower sliding groove 203 is used for guiding one end of the pressing plate 42 to slide up and down, and the limiting groove 204 is located on one side of the shorter air deflector 41, the limiting groove 204 is used for limiting the up and down sliding height of the other end of the pressing plate 42.

[0051] Wherein, by making the length of the plurality of air deflectors 41 increase in turn along the air flow direction, the air flow entering the inside of the air inlet space 202 can be guided by the plurality of air deflectors 41 respectively, and the gas can enter the inside of the first mounting frame 1 from different positions at the bottom of the first mounting frame 1 to heat dissipation, so that the heat dissipation effect of the battery pack located in the first mounting frame 1 is more uniform; in addition, by setting the pressing plate 42 above the plurality of air deflectors 41, when the second mounting frame 2 moves upward, the pressing plate 42 is pressed to move downward, the one end of the pressing plate 42 in the upper and lower sliding groove 203 moves downward, and the plurality of air deflectors 41 are synchronously rotated, so that the amount of air entering the inside of the first mounting frame 1 can be synchronously controlled.

[0052] Further, as shown in Figure 4 、 Figure 5 and Figure 6As shown, each row of the air deflector 41 is respectively arranged below each row of the air inlet hole 102, the first mounting frame 1 is provided with a first sealing plate 16 below and a second sealing plate 22 inside the second mounting frame 2, the first sealing plate 16 and the second sealing plate 22 are in close contact with each other, and the first sealing plate 16 and the second sealing plate 22 are located on the side closer to the longer air deflector 41.

[0053] Wherein, by arranging the first sealing plate 16 and the second sealing plate 22 below the first mounting frame 1 and inside the second mounting frame 2, the first sealing plate 16 and the second sealing plate 22 are in close contact with each other when the first mounting frame 1 and the second mounting frame 2 are installed, the tail of the air inlet space 202 can be blocked, and foreign matter can be prevented from entering the air inlet space 202 during driving, and the airflow entering the air inlet space 202 can be squeezed into the first mounting frame 1.

[0054] Further, as shown in Figure 4 and Figure 8 , the inside of the mounting plate 15 is fixedly provided with a plurality of cooling storage tanks 3, the side of the cooling storage tank 3 is provided with a connecting pipe 34 penetrating the side wall of the first mounting frame 1, the connecting pipe 34 is provided with a spray head 13 towards the battery placement position in the first mounting frame 1, the cooling storage tank 3 stores cooling gas inside, and the cooling storage tank 3 is used to spray low-temperature gas to the battery when the battery temperature is too high.

[0055] Wherein, by arranging the cooling storage tank 3 on the mounting plate 15, when the temperature of the battery pack in the first mounting frame 1 is too high, the gas inside the cooling storage tank 3 can be released to cool the battery pack smoothly, and safety hazards caused by excessive heating of the battery pack can be avoided.

[0056] Further, as shown in Figure 8 and 9 , the middle of the cooling storage tank 3 is provided with a sliding cylinder 31, the two sides of the sliding cylinder 31 are provided with communication holes 3101, one end of the connecting pipe 34 communicates with the sliding cylinder 31, the inside of the sliding cylinder 31 is slidably provided with a sliding rod 32, the inside of the sliding cylinder 31 is provided with an elastic member 33 for driving the sliding rod 32 to move downward, the sliding rod 32 is provided with a through hole, and when the sliding rod 32 slides upward, the through hole communicates with the communication hole 3101 to release the cooling gas; the two sides of the second mounting frame 2 are respectively provided with a support plate 21, and the support plate 21 is used to drive the sliding rod 32 to move upward during upward movement of the second mounting frame 2.

[0057] The sliding rod 32 is arranged to slide up and down in the sliding cylinder 31, and when the sliding rod 32 slides up, the through hole in the sliding rod 32 connects the communication holes 3101 on both sides of the sliding cylinder 31, so that the cooling gas (such as nitrogen) stored in the cooling storage tank 3 is released and sprayed on the battery pack, and the battery pack can be cooled smoothly; the support plates 21 are arranged on both sides of the second mounting frame 2, and when the second mounting frame 2 moves to a certain position, the support plates 21 can be arranged below the sliding rod 32, and then with the continuous upward sliding of the second mounting frame 2, the sliding rod 32 is driven to slide up in the sliding cylinder 31, and the cooling gas is released.

[0058] It should be noted that in the initial state, a gap is left between the bottom of the sliding rod 32 and the support plate 21 for the short-distance up-and-down movement of the support plate 21.

[0059] Further, the inside of the mounting plate 15 is provided with a right-angle plate 14, and the side surface of the right-angle plate 14 is provided with a notched hole 1401, which is located at the bottom side of the sliding rod 32.

[0060] The right-angle plate 14 is arranged on the mounting plate 15, and the notched hole 1401 is arranged on the right-angle plate 14, and when the second mounting frame 2 fails to move upward under the driving of the telescopic member 12, the sliding rod 32 can be moved upward by inserting a crowbar through the notched hole 1401 and using the notched hole 1401 as a fulcrum, and the cooling gas can be released smoothly.

[0061] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalent ones; and these modifications or replacements will not change the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present application.

Claims

1. A new energy vehicle battery pack bracket, characterized in that: include: A U-shaped first mounting frame (1) and a second mounting frame (2), the first mounting frame (1) and the second mounting frame (2) are spaced apart from each other in an upper and lower direction, the two side walls of the second mounting frame (2) are tightly fitted with the two side walls of the first mounting frame (1), an air intake space (202) is left between the first mounting frame (1) and the second mounting frame (2), and an air intake hole (102) is provided at the bottom of the first mounting frame (1) for allowing gas in the air intake space (202) to flow upward; An air guide assembly (4) is installed inside the air intake space (202) and is used to transport heat dissipation gas to the interior of the first mounting frame (1). The air guide assembly (4) includes a plurality of parallel and inclined air guide plates (41). The air guide plates (41) are used to guide the air inside the air intake space (202) from the air intake through hole (102) into the interior of the first mounting frame (1). A U-shaped mounting plate (15) with an opening facing downward is provided on both sides of the first mounting frame (1), and a plurality of cooling storage tanks (3) are fixedly installed inside the mounting plate (15). A connecting pipe (34) passing through the side wall of the first mounting frame (1) is provided on the side of the cooling storage tank (3). A nozzle (13) is provided on the connecting pipe (34) toward the battery placement position in the first mounting frame (1). Cooling gas is stored inside the cooling storage tank (3), and the cooling storage tank (3) is used to spray low-temperature gas into the battery when the battery temperature is too high. A slide (31) is provided in the middle of the cooling storage tank (3), and connecting holes (3101) are provided on both sides of the slide (31), one end of the connecting pipe (34) is connected to the slide (31), a sliding rod (32) is slidably installed inside the slide (31), and an elastic member (33) is provided inside the slide (31) for driving the sliding rod (32) to move downward, and a through hole is provided on the sliding rod (32), and when the sliding rod (32) slides upward, the through hole is connected to the connecting hole (3101) to release the cooling gas; Support plates (21) are respectively provided on both sides of the second mounting frame (2), and the support plates (21) are used to drive the sliding rod (32) to move upwards when the second mounting frame (2) moves upwards.

2. A new energy vehicle battery pack bracket according to claim 1, characterized in that: Both sides of the second mounting frame (2) are slidably connected to the U-shaped mounting plate (15), and a telescopic member (12) for adjusting the upper and lower positions of the second mounting frame (2) below the first mounting frame (1) is fixedly mounted on the inner wall of the U-shaped mounting plate (15).

3. A new energy vehicle battery pack bracket according to claim 2, characterized in that: A plurality of first exhaust through holes (103) and a plurality of second exhaust through holes (201) are respectively provided on the side walls of the first mounting frame (1) and the second mounting frame (2); the plurality of first exhaust through holes (103) and the plurality of second exhaust through holes (201) are interconnected; the upper end of the inner wall of each first exhaust through hole (103) is flush with the second exhaust through hole (201); and the lower end of the inner wall of each first exhaust through hole (103) is lower than the second exhaust through hole (201).

4. A new energy vehicle battery pack bracket according to claim 3, characterized in that: A rotating shaft (411) is provided at the lower end of the air guide plate (41), and a torsion spring (412) is provided on the rotating shaft (411) for driving the upper end of the air guide plate (41) to rotate upward. The lengths of the plurality of air guide plates (41) increase sequentially along the air flow direction.

5. A new energy vehicle battery pack bracket according to claim 4, characterized in that: A pressing plate (42) for adjusting the rotation angle is provided above the ends of the plurality of air guide plates (41), and a connecting shaft (43) is fixedly installed at both ends of the pressing plate (42). An upper and lower sliding groove (203) and a limiting groove (204) for the two connecting shafts (43) to slide into are provided on the inner side of the side wall of the second mounting frame (2), and the upper and lower sliding grooves (203) are located on one side of the longer air guide plate (41), and the upper and lower sliding grooves (203) are used to guide one end of the pressing plate (42) to slide up and down, and the limiting groove (204) is located on one side of the shorter air guide plate (41), and the limiting groove (204) is used to limit the upper and lower sliding height of the other end of the pressing plate (42).

6. A new energy vehicle battery pack bracket according to claim 5, characterized in that: Each row of the air guide plates (41) is correspondingly mounted below each row of the air inlet holes (102), and a first sealing plate (16) and a second sealing plate (22) are respectively arranged below the first mounting frame (1) and inside the second mounting frame (2), the first sealing plate (16) and the second sealing plate (22) are staggered and in close contact with each other, and the first sealing plate (16) and the second sealing plate (22) are located on a side closer to the longer air guide plate (41).

7. A new energy vehicle battery pack bracket according to claim 6, characterized in that: A right-angle plate (14) is provided inside the mounting plate (15), and a tilting hole (1401) is provided on the side of the right-angle plate (14), and the tilting hole (1401) is located on the bottom side of the sliding rod (32).

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