Automobile power battery structure

Abstract

The invention discloses an automobile power battery structure which comprises a shell, a battery pack is arranged in the shell, protective beams are arranged on the two sides of the battery pack, the shell comprises a frame, an electric control unit is further arranged in the shell, and the electric control unit is located between the frame and the battery pack. The structural strength is reliable.

Description

Technical Field

[0001] The present invention belongs to the technical field of batteries, and in particular, relates to a vehicle power battery structure. Background Art

[0002] Among the battery packs currently used, the battery packs with module structures, the layout of electrical components and modules is unreasonable, there is a waste of placement space, there are redundant structural designs, the space occupied by the battery is limited, and it does not meet the current customer demand for high power and long battery life, and is not conducive to the improvement of energy density. The structural strength of the battery box is limited, and the stability of the battery after assembly is not high. The current measures to improve its structural performance have poor effects, which will not only increase the overall weight of the battery, but also affect the matching with the whole vehicle.

[0003] The invention patent with announcement number CN 112277613A disclosed on January 29, 2021, a battery pack and vehicle body integrated structure and automobile, the battery pack and vehicle body integrated structure includes a battery pack base, a battery pack control device and a vehicle body floor; the battery pack control device is provided on the top of the vehicle body floor; the battery pack base includes a receiving cavity, the receiving cavity is connected to the vehicle body floor to form a receiving space for placing a battery module. The battery pack and vehicle body integrated structure also cannot solve the above-mentioned technical problems. Summary of the invention

[0004] The purpose of the present invention is to address the deficiencies in the prior art and to provide an automotive power battery structure with reasonable space design, improved battery energy density, and reliable structural strength.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is:

[0006] The automobile power battery structure comprises a shell, a battery pack is arranged in the shell, protective beams are arranged on both sides of the battery pack, the shell comprises a frame, an electric control unit is also arranged in the shell, and the electric control unit is located between the frame and the battery pack.

[0007] The shell also includes an upper shell and a lower shell, an end plate is provided at the end of the battery pack, a buffer foam is provided on the inner side of the end plate, ribs are evenly distributed on the side of the end plate, a baffle is provided on the side of the end plate below the ribs, the baffle is inclined, and the baffle is in contact with the protective beam; a side plate is provided on the side of the battery pack, an insulation layer is provided on the outer side of the side plate; a heating film is provided on the top of the battery pack, and the heating film extends from one end of the battery pack to the other end.

[0008] The battery pack is connected to a copper busbar, which is located on one side of the battery pack. Two copper busbars are provided, and a connecting busbar is provided on one side of the copper busbar. Both ends of the copper busbar and the connecting busbar have bent structures. An interface is provided on the outside of the frame. The copper busbar connects the battery pack, the electric control unit and the interface, and the connecting busbar connects the battery pack and the electric control unit.

[0009] The battery pack includes pole ears, and connecting plates are connected between the battery packs, and the connecting plates are connected to the pole ears; the middle part of the connecting plates is bent into an arc structure; a support is provided on the protective beam, and the connecting plate is arranged on the support, and a cover plate is provided on the upper end of the support, and the cover plate is located above the pole ear; a mounting groove is provided on the side of the protective beam, and the bottom of the support is a T-shaped structure, and the support is inserted into the mounting groove; a fixed opening is provided at the top of the support, and a claw is provided at the bottom end of the cover plate, and the claw is clamped in the fixed opening.

[0010] A wiring harness clamp is provided on the side of the frame and the protective beam, a limit block is provided at the bottom of the wiring harness clamp, the wiring harness clamp includes a hoop, the wiring harness clamp is a ring structure, an opening is provided on the limit clamp, and one end of the hoop passes through the opening; limit frames are provided at equal intervals on the side of the frame, the limit frames are in a square structure, and the connecting row passes through the limit frames.

[0011] A reinforcing beam is fixedly connected inside the frame. The length of the reinforcing beam is consistent with that of the frame. The cross section of the reinforcing beam is U-shaped. A supporting cross beam is vertically connected between the protection beam and the frame.

[0012] An L-shaped plate is provided at the end of the upper shell, and the L-shaped plate presses the frame.

[0013] The lower shell is provided with a bottom plate, and the two ends of the bottom of the battery pack are bonded to the bottom plate. The bottom plates are arranged at equal intervals and form a heat dissipation space; the edge of the bottom plate is provided with a flange, and the middle of the bottom plate is provided with a support plate. The support plate and the supporting beam are in the same straight line, and the cross section of the support plate is in the shape of a "J".

[0014] A copper bar bracket is provided on the side of the protective beam, and a groove is provided on the copper bar bracket. The groove opens upward, and the copper bar is vertically arranged in the groove. A protrusion is provided on the top of the groove, and the protrusion is a slope structure. A weight-reducing hole is provided on the copper bar bracket below the groove, and reinforcing ribs are provided on the outside of the copper bar bracket.

[0015] The upper shell is bolted to the top of the frame, and the lower shell is welded and fixed to the bottom of the frame; connecting seats are evenly distributed on the outside of the frame, and connecting holes are provided at the upper ends of the connecting seats, and the connecting holes are waist-shaped holes. A lining plate is provided on the inner side of the connecting seat, and the lining plate is a U-shaped structure.

[0016] The technical effects of the present invention are as follows: the automotive power battery structure of the present invention solves the problem of low energy storage of batteries in the limited space of the battery shell due to limited space, and the battery layout space is reasonably designed to keep the battery in a stable posture, simplify the battery installation steps, increase the number of battery cells, and meet the user's demand for high battery power and long battery life; the electrical connectors are reasonably arranged, with little interference with nearby components, and the same top-down installation process of each component is achieved, greatly improving the convenience of assembly; the battery shell structure has reliable strength, improves the stability of the battery, stabilizes the battery posture, does not add redundant structures, does not affect the matching with the entire vehicle, meets the lightweight design requirements, and is conducive to reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] This specification includes the following drawings, which show the following contents:

[0018] Figure 1 It is a three-dimensional schematic diagram of the automotive power battery structure of the present invention;

[0019] Figure 2 is a bottom view of the automotive power battery structure of the present invention;

[0020] Figure 3 is a top view of the internal structure of the automotive power battery of the present invention;

[0021] Figure 4 is a three-dimensional schematic diagram of the battery of the present invention with the lower housing removed;

[0022] Figure 5 is a schematic diagram of the battery pack end structure of the present invention;

[0023] Figure 6 is a connection schematic diagram of the connecting piece of the present invention;

[0024] Figure 7 It is a structural schematic diagram of the copper bar bracket of the present invention;

[0025] Figure 8 is a schematic structural diagram of the wiring harness clamp of the present invention;

[0026] Fig. 9 It is a structural schematic diagram of the reinforcement beam of the present invention;

[0027] Fig.10 It is a schematic structural diagram of an L-shaped plate of the present invention;

[0028] Fig.11 It is a structural schematic diagram of the connecting socket of the present invention.

[0029] The markings in the figure are:

[0030] 101, shell; 102, upper shell; 103, lower shell; 104, frame; 105, protection beam; 106, electric control unit; 107, reinforcement beam; 108, L-shaped plate; 109, bottom plate; 110, support plate; 111, heat dissipation space; 112, support beam; 113, flange; 201, battery pack; 202, end plate; 203, side plate; 204, insulation layer; 205, heating film; 206, convex rib; 207, stop bar; 208, buffer foam; 301, copper busbar; 302, connecting busbar; 303, interface; 304 , pre-charging resistor; 305, relay; 306, main fuse; 307, heating fuse; 308, BMS host; 309, BMS slave; 401, pole ear; 402, connecting piece; 403, support; 404, cover; 405, fixed opening; 406, claw; 407, mounting groove; 501, copper bus bracket; 502, groove; 503, bump; 504, weight reduction hole; 505, reinforcement rib; 601, harness clamp; 602, hoop; 603, opening; 701, connecting seat; 702, lining plate; 703, connecting hole. DETAILED DESCRIPTION

[0031] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and facilitating their implementation.

[0032] like Figure 1 and Figure 2 As shown, the automotive power battery structure includes a shell 101, a battery pack 201 is arranged in the shell 101, protective beams 105 are arranged on both sides of the battery pack 201, the shell 101 includes a frame 104, an electric control unit 106 is also arranged in the shell 101, and the electric control unit 106 is located between the frame 104 and the battery pack 201.

[0033] In the above structure, the battery pack 201 is arranged between the protective beams 105 and is reliably limited. The protective beams 105 provide stable installation positions for components such as the wiring harness clamp 601, the copper bus bracket 501, and the support 403, which is beneficial to the layout of other components. Most of the electric control unit 106 is concentrated at one end inside the battery, so as to achieve a reasonable layout of electrical components, reduce the dispersion of electrical components, reduce redundant structural designs inside the battery, optimize the internal space of the battery, and cancel the redundant end plate 202 structure. The battery cells are directly inserted into the shell 101, and more battery cells can be placed in a limited space, thereby achieving a lightweight design and improving the energy density of the battery pack 201, thereby increasing energy storage and meeting the current user's demand for high battery power and long battery life.

[0034] like Figures 1 to 4As shown, the shell 101 also includes an upper shell 102 and a lower shell 103. An end plate 202 is provided at the end of the battery pack 201. A buffer foam 208 is provided on the inner side of the end plate 202. Ribs 206 are evenly distributed on the side of the end plate 202. A baffle 207 is provided on the side of the end plate 202 below the rib 206. The baffle 207 is inclined and contacts the protective beam 105. A side plate 203 is provided on the side of the battery pack 201. An insulating layer 204 is provided on the outer side of the side plate 203. A heating film 205 is provided on the top of the battery pack 201. The heating film 205 extends from one end of the battery pack 201 to the other end. The buffer foam 208 is used to buffer the vibration or impact of the vehicle in the vertical direction, and the end foam is used to buffer the vibration or impact in the horizontal direction. Both provide reliable buffering protection for the battery pack; the rib 206 improves the strength of the end plate 202, the baffle 207 is a strip structure and is distributed in a matrix manner, and the obliquely arranged baffle 207 can prevent the end plate 202 from directly contacting the protective beam 105 and provide further buffering effect; the side plate 203 separates each battery pack, and the heat insulation layer 204 is provided to isolate the heat generated by the battery to avoid affecting the normal operation of the electric control unit 106, and the heating film 205 covers the top of the battery to heat the battery when the vehicle is in a low temperature environment to meet the normal use of the battery. By heating the battery, the internal resistance is reduced and the charging and discharging efficiency of the battery is improved.

[0035] like Figure 3 As shown, the battery pack is connected to a copper busbar 301, which is located on one side of the battery pack. There are two copper busbars 301, and a connecting busbar 302 is provided on one side of the copper busbar 301. The ends of the copper busbar 301 and the connecting busbar 302 are both bent structures. An interface 303 is provided on the outside of the frame 104. The copper busbar 301 connects the battery pack, the electrical control unit 106 and the interface 303, and the connecting busbar 302 connects the battery pack and the electrical control unit 106. The end structure of the copper busbar 301 is bent to meet the planar connection with the electric control unit 106. The bending part of the copper busbar 301 adopts 3D bending of extruded base material with coating, which reduces the welding workload, reduces the cost and processing difficulty, and improves reliability. The electric control unit 106 includes a pre-charge resistor 304, a relay 305, a main fuse 306, a heating fuse 307 and a BMS host 308; the relay 305 includes fast charging, main positive, main negative, pre-charging and heating relays 305 to meet the functions of the battery under different conditions. The BMS host 308 is responsible for power estimation, vehicle communication signals and other tasks. The BMS slave 309 is responsible for battery status monitoring, local control, data collection and processing, etc. The two work together and exchange data in real time to ensure the safe and efficient operation of the battery system. The above-mentioned electric control unit 106 is fastened with bolts, and the bolt operating end is vertically upward, which is not only convenient for assembly, but also for subsequent maintenance.

[0036] like Figure 6As shown, the battery pack includes a tab 401, and a connecting piece 402 is connected between the battery packs, and the connecting piece 402 is connected to the tab 401; the middle part of the connecting piece 402 is bent into an arc structure; a support 403 is provided on the protection beam 105, and the connecting piece 402 is arranged on the support 403. A cover plate 404 is provided at the upper end of the support 403, and the cover plate 404 is located above the tab 401; a mounting groove 407 is provided on the side of the protection beam 105, and the bottom of the support 403 is a T-shaped structure, and the support 403 is inserted into the mounting groove 407; a fixed opening 603 is provided at the top of the support 403, and a claw 406 is provided at the bottom of the cover plate 404, and the claw 406 is clamped in the fixed opening 603. The support 403 provides support for the connecting piece 402 while reducing the height of the protection beam 105, so that the connecting piece 402 is arranged horizontally, and the length of the connecting piece 402 is reduced to reduce material cost and power consumption, which is also in line with lightweight design. The T-shaped bottom of the support 403 is designed to improve its stability and achieve the effect of side installation of the support 403 from the protective beam 105, which optimizes the installation process and reduces the difficulty of installation. The cover 404 protects the battery's pole ear 401. The cover 404 can be smoothly clamped into the fixed opening 603 using the claw 406, and quick installation can be achieved without the use of connectors.

[0037] like Figure 8 As shown, a harness clamp 601 is provided on the side of the frame 104 and the protective beam 105, and a limit block is provided at the bottom of the harness clamp 601. The harness clamp 601 includes a hoop 602. The harness clamp 601 is a ring structure, and an opening 603 is provided on the limit clamp. One end of the hoop 602 passes through the opening 603. A limit frame is provided at equal intervals on the side of the frame 104. The limit frame is a square structure, and the connection row 302 passes through the limit frame. The harness clamp 601 fixes the position of the harness, which is convenient for operators to arrange the harness and avoid entanglement between harnesses. The size of the opening 603 of the harness clamp 601 can be adjusted by adjusting the length of the hoop 602 extending out of the opening 603 to meet the fixation of harnesses of different diameters, while further reducing the space occupied and reducing the interference effect on nearby components. The limit frame limits the connection row 302 to stabilize the position of the connection row 302. The limit frame has a simple structure, so the use of other connectors can be reduced.

[0038] like Fig. 9As shown, a reinforcing beam 107 is fixedly connected inside the frame 104. The reinforcing beam 107 is the same length as the frame 104, and the cross section of the reinforcing beam 107 is U-shaped. A supporting crossbeam 112 is vertically connected between the protective beam 105 and the frame 104. The reinforcing beam 107 with a U-shaped cross section is designed inside the frame 104, which will not affect the installation of the frame 104 and other components. During production, the end of the supporting crossbeam 112 can pass through the frame 104 plate and be connected to the reinforcing beam 107 as a whole, so that the battery housing 101 forms a higher strength integral structure. The reinforcing beam 107 is connected to the frame by a riveting process, and the structure is more stable and reliable, which improves the overall structural strength of the housing 101, reduces costs and achieves a lightweight design. The supporting crossbeam 112 can provide an installation position for the limit frame and the harness clamp 601, and at the same time provide lateral support for the frame 104 and the protective beam 105, making the structure reliable.

[0039] like Fig.10 As shown, an L-shaped plate 108 is provided at the end of the upper shell 102, and the L-shaped plate 108 presses the frame 104. The L-shaped plate 108 forms a bridging effect at the turning point of the frame 104, further improving the integrity of the frame 104, and when the upper and lower shells 103 are installed, it is beneficial to form a planar contact between the two, reducing the connection strength loss of the shell 101 at the turning point, which is beneficial to improving the sealing performance and avoiding bending and deformation at the contact position.

[0040] like Figure 4 As shown, a bottom plate 109 is provided on the lower shell 103, and the two ends of the bottom of the battery pack 201 are bonded to the bottom plate 109. The bottom plates 109 are arranged at equal intervals and form a heat dissipation space 111; a flange 113 is provided on the edge of the bottom plate 109, and a support plate 110 is provided in the middle of the bottom plate 109. The support plate 110 and the support beam 112 are in the same straight line, and the cross section of the support plate 110 is in the shape of a "J". Through the above structural design, a certain interval is designed between the bottom plates 109, so that the two ends of the bottom of the battery pack 201 are supported, and the posture stability of the battery pack 201 is better. At the same time, a heat dissipation area is formed in the middle of the bottom of the battery pack 201, which has the effect of taking into account heat dissipation. The provision of the "J"-shaped support plate 110 is conducive to maintaining the shape of the bottom plate 109 and improving its anti-deformation ability. The support plate 110 and the support beam 112 are designed in the same straight line to ensure the uniformity of the strength of the shell 101. The flange 113 is used to provide a welding point for the connection between the bottom plate 109 and the lower shell 103.

[0041] like Figure 7As shown, a copper bar bracket 501 is provided on the side of the protection beam 105, and a groove 502 is provided on the copper bar bracket 501, and the groove 502 opens upward, and the copper bar 301 is vertically arranged in the groove 502, and a protrusion 503 is provided on the top of the groove 502, and the protrusion 503 is a slope structure, and a weight reduction hole 504 is provided on the copper bar bracket 501 below the groove 502, and a reinforcing rib 505 is provided on the outside of the copper bar bracket 501. The copper bar bracket 501 is plugged into the protection beam, and the copper bar bracket 501 is provided to make the copper bar 301 in a vertical posture, stabilize its position, and reduce the space occupied by the copper bar 301, so as to facilitate the arrangement of the copper bar 301, reduce the space for the internal units of the battery, and also help to reduce the volume of the battery housing 101. The protrusion 503 can prevent the copper bar 301 from falling out in the vertical direction, ensuring its reliable function and not easy to break. The whole is horizontal, and the groove 502 opens upward, so the copper bar 301 can be installed from top to bottom, further improving the portability of assembly. The copper bar bracket 501 is provided with multiple reinforcing ribs 505 on the side to improve its durability.

[0042] like Figure 1 and Fig.11 As shown, the upper shell 102 is bolted to the top of the frame 104, and the lower shell 103 is welded and fixed to the bottom of the frame 104; the frame 104 is evenly distributed with connection seats 701, and the upper end of the connection seat 701 is provided with a connection hole 703, which is a waist-shaped hole, and the inner side of the connection seat 701 is provided with a lining plate 702, which is a U-shaped structure. The lower shell 103 is welded and fixed to the frame 104, and the upper shell 102 is installed by screwing. The upper shell 102 can be installed from top to bottom, thereby improving the convenience of assembling battery components. The connection seat 701 serves as a load-bearing and connection point with the vehicle body. The U-shaped lining plate 702 can strengthen its strength and avoid its deformation, which is conducive to ensuring that the battery is in a stable posture in the vehicle body. The connection hole 703 adopts a waist-shaped hole, which has a certain space margin when assembled with the vehicle body, which is convenient for adjustment during assembly.

[0043] During the assembly process, the battery cells are arranged in sequence and connected into a battery pack through the electrical connection sheet 402. The battery pack is placed on the bottom plate 109, and the end plate 202 and the side plate 203 are respectively set at the end and the side plate. The end pole ear 401 of the battery pack is connected through the connection sheet 402, and the electric control unit 106 is centrally arranged in the housing 101. The connection of the wiring harness, copper bus 301, connection bar 302 and other connectors is completed, and finally the assembly with the vehicle body can be completed. During the assembly process of the above components, the battery, the electric control unit 106 and most other components are assembled from top to bottom, which facilitates the operation process, adapts to the rapid assembly requirements of the production line, meets the efficient production rhythm, and improves production efficiency.

[0044] This automotive power battery structure solves the problem of low energy storage of batteries in the limited space of the battery housing 101 due to limited space. The battery layout space is reasonably designed to keep the battery in a stable posture, simplify the battery installation steps, increase the number of battery cells, and meet users' needs for high battery power and long battery life; the electrical connectors are reasonably arranged, with little interference with nearby components, and the same top-down installation process of each component is achieved, greatly improving the convenience of assembly; the battery housing 101 has reliable structural strength, improves the stability of the battery, stabilizes the battery posture, does not add additional redundant structures, does not affect the matching with the entire vehicle, meets the lightweight design requirements, and is conducive to reducing costs.

[0045] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. An automotive power battery structure, characterized in that: The invention comprises a shell (101), wherein a battery pack (201) is arranged in the shell (101), and protective beams (105) are arranged on both sides of the battery pack (201). The shell (101) comprises a frame (104), and an electric control unit (106) is also arranged in the shell (101), and the electric control unit (106) is located between the frame (104) and the battery pack (201).

2. The automotive power battery structure according to claim 1, characterized in that: The shell (101) further comprises an upper shell (102) and a lower shell (103); an end plate (202) is provided at the end of the battery pack (201); a buffer foam (208) is provided on the inner side of the end plate (202); convex ribs (206) are evenly distributed on the side of the end plate (202); a baffle (207) is provided on the side of the end plate (202) below the convex rib (206); the baffle (207) is arranged in an inclined manner, and the baffle (207) is in contact with the protective beam (105); a side plate (203) is provided on the side of the battery pack (201); a heat insulation layer (204) is provided on the outer side of the side plate (203); a heating film (205) is provided on the top of the battery pack (201); the heating film (205) extends from one end of the battery pack (201) to the other end.

3. The automotive power battery structure according to claim 2, characterized in that: The battery pack is connected to a copper busbar (301), the copper busbar (301) is located at one side of the battery pack, two copper busbars (301) are provided, one side of the copper busbar (301) is provided with a connecting busbar (302), the ends of the copper busbar (301) and the connecting busbar (302) are both bent structures, an interface (303) is provided outside the frame (104), the copper busbar (301) connects the battery pack, the electric control unit (106) and the interface (303), and the connecting busbar (302) connects the battery pack and the electric control unit (106).

4. The automotive power battery structure according to claim 3, characterized in that: The battery pack comprises a pole lug (401), a connecting piece (402) is connected between the battery packs, and the connecting piece (402) is connected to the pole lug (401); the middle part of the connecting piece (402) is bent into an arc structure; a support (403) is provided on the protection beam (105), the connecting piece (402) is arranged on the support (403), a cover plate (404) is provided at the upper end of the support (403), and the cover plate (404) is located above the pole lug (401); a mounting groove (407) is provided on the side of the protection beam (105), the bottom of the support (403) is a T-shaped structure, and the support (403) is inserted into the mounting groove (407); a fixing opening (603) is provided at the top of the support (403), and a clamping claw (406) is provided at the bottom end of the cover plate (404), and the clamping claw (406) is clamped in the fixing opening (603).

5. The automotive power battery structure according to any one of claims 1 to 4, characterized in that: A wire harness clamp (601) is provided on the side of the frame (104) and the protective beam (105); a limit block is provided at the bottom of the wire harness clamp (601); the wire harness clamp (601) comprises a hoop (602); the wire harness clamp (601) is an annular structure; an opening (603) is provided on the limit clamp; one end of the hoop (602) passes through the opening (603); and limit frames are provided at equal intervals on the side of the frame (104); the limit frames are in a square structure; the connection row (302) passes through the limit frames.

6. The automotive power battery structure according to claim 5, characterized in that: A reinforcing beam (107) is fixedly connected inside the frame (104), the reinforcing beam (107) is the same length as the frame (104), the cross section of the reinforcing beam (107) is U-shaped, and a supporting cross beam (112) is vertically connected between the protection beam (105) and the frame (104).

7. The automotive power battery structure according to claim 1, characterized in that: An L-shaped plate (108) is provided at the end of the upper shell (102), and the L-shaped plate (108) presses the frame (104).

8. The automotive power battery structure according to claim 6, characterized in that: The lower shell (103) is provided with a bottom plate (109), the two ends of the bottom of the battery pack (201) are bonded to the bottom plate (109), and the bottom plates (109) are arranged at equal intervals to form a heat dissipation space (111); the edge of the bottom plate (109) is provided with a flange (113), and the middle of the bottom plate (109) is provided with a support plate (110), the support plate (110) and the support cross beam (112) are in the same straight line, and the cross section of the support plate (110) is in the shape of a "J".

9. The automotive power battery structure according to claim 3, characterized in that: A copper bar bracket (501) is provided on the side of the protection beam (105), a groove (502) is provided on the copper bar bracket (501), the groove (502) opens upward, the copper bar (301) is vertically arranged in the groove (502), a protrusion (503) is provided at the top of the groove (502), the protrusion (503) is an inclined surface structure, a weight reduction hole (504) is provided on the copper bar bracket (501) below the groove (502), and a reinforcing rib (505) is provided on the outside of the copper bar bracket (501).

10. The automotive power battery structure according to claim 8, characterized in that: The upper shell (102) is bolted to the top of the frame (104), and the lower shell (103) is welded and fixed to the bottom of the frame (104); the frame (104) is evenly distributed with connecting seats (701), the upper end of the connecting seat (701) is provided with a connecting hole (703), the connecting hole (703) is a waist-shaped hole, and the inner side of the connecting seat (701) is provided with a lining plate (702), and the lining plate (702) is a U-shaped structure.

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