Invertebrate tower type power battery box assembly and new energy vehicle

Abstract

The utility model discloses a kind of invertebrate tower type power battery box assembly and new energy vehicles.It includes battery cluster and battery frame, battery cluster includes multiple power battery PACK stacking structure, and through multiple bolt pairs between power battery PACK and power battery PACK;Battery frame includes the bottom frame for bearing battery cluster, the lowermost power battery PACK of battery cluster is connected with bottom frame, and the bottom of bottom frame is provided with the profiled auxiliary beam for connecting new energy vehicle frame;Battery frame also includes left side frame and right side frame arranged left and right, there is left side frame on the left of battery cluster, and battery terminal is protected;There is right side frame on the right of battery cluster;The bottom of left side frame is connected with the left side of bottom frame, and the bottom of right side frame is connected with the right side of bottom frame;Battery frame also includes ceiling frame, ceiling frame is connected with left side frame, the top of battery cluster and right side frame respectively.

Description

Technical Field

[0001] This utility model relates to the field of new energy vehicle technology, specifically to a spineless tower-type power battery box assembly and a new energy vehicle. Background Technology

[0002] The energy devices of new energy vehicles mainly consist of battery pack assemblies that store electrical energy.

[0003] The battery pack assemblies of existing new energy vehicles mostly adopt a layered integrated frame structure, which has low volume utilization and occupies a large space in the vehicle. The height even exceeds that of the driver's cab, the center of gravity is relatively high, the safety is poor, and the weight is heavy. Under the certain requirements of total passenger and cargo weight and space, it reduces the income of transportation companies and individuals.

[0004] There is an urgent need for a battery pack assembly structure that has extremely high volume utilization and a lower center of gravity. Utility Model Content

[0005] This utility model provides a spineless tower-type power battery box assembly and a new energy vehicle to solve at least one of the above-mentioned technical problems.

[0006] A spineless tower-type power battery pack assembly and a new energy vehicle, comprising a battery cluster and a battery frame, characterized in that the battery cluster includes a stacked structure of multiple power battery packs. The power battery packs are connected to each other via multiple sets of bolt pairs, achieving over-positioning and over-constraint, effectively forming a safe backup to prevent motion failure.

[0007] The battery frame includes a bottom frame for supporting the battery clusters, which is connected to the battery clusters via multiple sets of bolts. This achieves over-positioning and over-constraint, effectively preventing motion failure and providing a safety backup. The bottom frame primarily bears the weight of the power battery and withstands overloads and torsional loads in the X, Y, and Z directions. A contoured sub-beam for connecting to the new energy vehicle frame is connected to the bottom of the bottom frame.

[0008] The battery frame also includes a left side frame and a right side frame arranged on the left and right sides, respectively, which are arranged on the left and right sides of the battery cluster.

[0009] The bottom of the left frame is connected to the left side of the bottom frame, and the bottom of the right frame is connected to the right side of the bottom frame.

[0010] The battery frame also includes a ceiling frame, which is connected to the left frame, the top of the battery cluster, and the right frame.

[0011] This utility model reduces the number of connecting frames between adjacent power battery packs by directly stacking and connecting the battery packs, thus reducing the space required and lowering the center of gravity of the battery pack assembly. At the same time, the left and right frames provide protection for both ends of the power battery pack.

[0012] Further preferably, adjacent power battery packs are detachably connected;

[0013] The bottom frame is detachably connected to the left frame, the battery cluster, and the right frame;

[0014] The ceiling frame is detachably connected to the left frame, the battery cluster, and the right frame.

[0015] More preferably, adjacent power battery packs are connected to each other by multiple sets of bolt pairs;

[0016] The bottom frame is connected to the battery cluster via multiple sets of bolts.

[0017] The bottom frame's contoured sub-beam is connected to the vehicle frame via multiple sets of bolts.

[0018] More preferably, the bottom frame is detachably connected to the left frame, the battery cluster, and the right frame by bolts;

[0019] The bottom frame has threaded holes for threaded connection of the bolts.

[0020] More preferably, the ceiling frame is detachably connected to the left frame, the battery cluster, and the right frame by bolts;

[0021] The left and right frames are provided with threaded holes for threaded connection of the bolts.

[0022] More preferably, the front and rear ends of the power battery PACK are connecting parts, and the connecting parts are provided with an upper mounting groove and a lower mounting groove that are recessed and arranged vertically, with the openings of the upper mounting groove and the lower mounting groove facing outwards;

[0023] Furthermore, the connecting part is provided with an upper through hole that longitudinally penetrates and connects to the upper mounting groove, and a lower through hole that longitudinally penetrates and connects to the lower mounting groove;

[0024] Two adjacent power battery packs are connected by bolts that pass through the lower through hole of the upper power battery pack and the upper through hole of the lower power battery pack in sequence.

[0025] The lower mounting groove is used to accommodate the head of the bolt, and the upper mounting groove is used to accommodate the nut that is threaded onto the bolt;

[0026] The ceiling frame is connected to the top of the battery pack by bolts passing through the upper through-holes of the power battery PACK located at the top.

[0027] The bottom frame is connected to the bottom of the battery pack by bolts passing through the under-hole of the power battery pack located at the bottom.

[0028] More preferably, the bottom frame includes a boat-shaped frame, the lower end of which is fixedly connected to the contoured sub-beam;

[0029] The boat-shaped frame is detachably connected to the left side frame, the right side frame, and the battery cluster.

[0030] The weight is reduced by using a boat-shaped frame.

[0031] More preferably, the bottom of the left and right ends of the boat-shaped frame is provided with inclined surfaces that slope upwards from the inside to the outside along the left and right direction.

[0032] More preferably, the ceiling frame is connected to lifting rings for the transfer and assembly of the battery box.

[0033] More preferably, the left frame uses a rectangular structure to protect the protruding structure on the left side of the power battery pack. The right frame uses a rectangular structure to protect the protruding structure on the right side of the power battery pack, such as battery terminals or expansion tanks.

[0034] A new energy vehicle, characterized in that it includes the aforementioned spineless tower-type power battery box assembly and the new energy vehicle itself, wherein the contoured sub-beam is connected to the vehicle frame via multiple sets of bolt assemblies. It effectively bears the weight of the battery box and withstands overloads and torsional loads in the X, Y, and Z directions.

[0035] Beneficial effects: This utility model reduces the height of the battery pack assembly of new energy vehicles within a limited space, lowers the center of gravity, improves vehicle safety, and reduces the probability of vehicle accidents; it also reduces the vehicle's frontal area, reduces vehicle weight, saves energy, and increases the profits of transportation companies and individuals. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of a specific embodiment 1 of the present utility model;

[0037] Figure 2 This is a schematic diagram of the connection between the power battery PACK and the power battery PACK in a specific embodiment 1 of this utility model;

[0038] Figure 3This is a schematic diagram showing the connection between the power battery PACK and the bottom frame in a specific embodiment 1 of this utility model;

[0039] Figure 4 This is a schematic diagram of the connection of the ceiling frame in a specific embodiment 1 of this utility model;

[0040] Figure 5 This is a schematic diagram showing the connection between the left frame, the right frame, and the bottom frame in a specific embodiment 1 of this utility model.

[0041] In the diagram, the left frame is 10, the ceiling frame is 11, the hanging ring is 12, the power battery pack is 13, the right frame is 20, and the bottom frame is 30.

[0042] Third connecting bolt 101, third spring washer 102, third flat washer 103;

[0043] Fourth connecting bolt 111, fourth spring washer 112, fourth flat washer 113, fourth nut 114;

[0044] First connecting bolt 131, first connecting nut 132;

[0045] Second connecting bolt 133;

[0046] Fifth connecting bolt 201, fifth spring washer 202, fifth flat washer 203;

[0047] Sixth connecting bolt 301, seventh connecting bolt 302. Boat-shaped frame 303, contoured sub-beam 304. Detailed Implementation

[0048] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0049] Please see Figures 1 to 5As shown in Specific Embodiment 1, a spineless tower-type power battery pack assembly includes a battery cluster and a battery frame. The battery cluster includes a stacked structure of multiple power battery packs 13. The power battery packs are connected to each other through multiple sets of bolt pairs to achieve over-positioning and over-constraint, effectively forming a safety backup to prevent motion failure. Adjacent power battery packs 13 are connected together. The battery frame includes a bottom frame 30 for supporting the battery cluster. The bottommost power battery pack 13 of the battery cluster is connected to the bottom frame 30. The bottom of the bottom frame 30 is connected to a contoured sub-beam 304 structure for connecting to the frame of a new energy vehicle. The battery frame also includes a left side frame 10 and a right side frame 20, which are respectively located on the left and right sides of the battery cluster. There is a left side frame on the left side of the battery cluster to protect the battery terminals; there is a right side frame on the right side of the battery cluster to protect the battery thermal management system structure.

[0050] The bottom of the left frame 10 is connected to the left side of the bottom frame 30, and the bottom of the right frame 20 is connected to the right side of the bottom frame 30. The battery frame also includes a ceiling frame 11, which is connected to the left frame 10, the top of the battery pack, and the right frame 20. This utility model reduces the number of connecting frames between adjacent power battery packs 13 by directly stacking and connecting the battery packs 13, thus reducing the space and lowering the center of gravity of the battery pack assembly. At the same time, the left and right frames 10 and 20 provide protection for both ends of the power battery packs 13.

[0051] The adjacent power battery PACK13 is detachably connected; the bottom frame 30 is detachably connected to the left frame 10, the battery cluster and the right frame 20; the ceiling frame 11 is detachably connected to the left frame 10, the battery cluster and the right frame 20.

[0052] The bottom frame 30 is detachably connected to the left frame 10, the battery cluster, and the right frame 20 via bolts; the bottom frame 30 has threaded holes for threaded connecting bolts. For details, see [link to details]. Figure 5 The bottom frame 30 is detachably connected to the left frame 10 via a sixth bolt 301. The bottom frame 30 is detachably connected to the right frame 20 via a seventh bolt 302. See also Figure 4 The bottom frame 30 is detachably connected to the power battery PACK 13 via the second connecting bolt 133. However, it is not limited to the bolt connection method.

[0053] The ceiling frame 11 is detachably connected to the left frame 10 and the right frame 20 by bolts. The left frame 10 and the right frame 20 have threaded holes for threaded bolts. (See also...) Figure 5The ceiling frame 11 is detachably connected to the left frame 10 via a third connecting bolt 101. A third spring washer 102 and a third flat washer 103 are fitted onto the third connecting bolt 101. The ceiling frame 11 is detachably connected to the right frame 20 via a fifth connecting bolt 201. A fifth spring washer 202 and a fifth flat washer 203 are fitted onto the fifth connecting bolt 201. However, the connection method is not limited to bolt pairs.

[0054] The front and rear ends of the power battery PACK13 are connecting parts. Each connecting part has an upper mounting groove and a lower mounting groove, both recessed and arranged vertically, with their openings facing outwards. The connecting part also has an upper through hole that longitudinally penetrates and connects to the upper mounting groove, and a lower through hole that longitudinally penetrates and connects to the lower mounting groove. Two adjacent power battery PACKs13 are connected by bolts that pass sequentially through the lower through hole of the upper power battery PACK13 and the upper through hole of the lower power battery PACK13. The lower mounting groove accommodates the bolt head, and the upper mounting groove accommodates the nut of the threaded bolt. Both the upper and lower mounting grooves are square. The longitudinal height of the upper mounting groove is less than the longitudinal height of the lower mounting groove. The connecting part has at least three upper mounting grooves and at least three lower mounting grooves from left to right. For details, see [link to details]. Figure 3 The adjacent power battery PACK13 is connected by the first connecting bolt 131 and the first connecting nut 132. However, it is not limited to the bolt pair connection form.

[0055] The ceiling frame 11 is connected to the top of the battery pack via bolts passing through upper through holes in the power battery PACK 13 located at the top. See also Figure 5 The ceiling frame 11 is connected to the top of the battery pack via a fourth connecting bolt 111 and a fourth nut 114. A fourth spring washer 112 and a fourth flat washer 113 are fitted onto the fourth connecting bolt 111. The bottom frame 30 is connected to the bottom of the battery pack via bolts passing through the lower through-hole of the power battery PACK 13 located at the bottom. However, the connection method is not limited to bolt pairs.

[0056] The bottom frame 30 includes a boat-shaped frame 303, the lower end of which is fixedly connected to the contoured sub-beam 304. The boat-shaped frame 303 is detachably connected to the left frame 10, the right frame 20, and the battery pack. The boat-shaped frame 303 reduces the weight. The bottom of both ends of the boat-shaped frame 303 is provided with inclined surfaces that slope upwards from the inside to the outside in the left-right direction.

[0057] The ceiling frame 11 is connected to lifting rings 12. These are used for the transfer and assembly of the battery box.

[0058] Both the left frame 10 and the right frame 20 are equipped with vertically arranged rectangular structures. These rectangular structures are used to protect the protruding structures on the left and right sides of the power battery PACK 13, such as the battery terminals and expansion tanks.

[0059] The length of the battery cluster in the left-right direction is greater than its length in the front-back direction.

[0060] In new energy vehicles, including the spineless tower-type power battery pack assembly, the contoured sub-beam 304 is connected to the vehicle frame via multiple sets of bolted assemblies. It effectively bears the weight of the battery pack and withstands overloads and torsional loads in the X, Y, and Z directions. However, it is not limited to bolted connection methods.

[0061] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0062] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A spineless tower-type power battery pack assembly, comprising battery clusters and a battery frame, characterized in that, The battery cluster includes a stacked structure of multiple power battery packs. The battery frame includes a bottom frame for supporting the battery cluster, the bottommost power battery PACK of the battery cluster is connected to the bottom frame, and the bottom of the bottom frame is connected to a contoured sub-beam for connecting to the frame of a new energy vehicle. The battery frame also includes a left side frame and a right side frame arranged on the left and right sides, respectively, which are arranged on the left and right sides of the battery cluster. The bottom of the left frame is connected to the left side of the bottom frame, and the bottom of the right frame is connected to the right side of the bottom frame. The battery frame also includes a ceiling frame, which is connected to the left frame, the top of the battery cluster, and the right frame respectively; the top of the ceiling frame is provided with a lifting ring for transporting and assembling the battery box.

2. The spineless tower-type power battery box assembly according to claim 1, characterized in that: Adjacent power battery packs are connected to each other by multiple sets of bolt pairs; The bottom frame is connected to the battery cluster via multiple sets of bolts. The bottom frame's contoured sub-beam is connected to the vehicle frame via multiple sets of bolts.

3. The spineless tower-type power battery box assembly according to claim 1, characterized in that: The front and rear ends of the power battery PACK are connecting parts. The connecting parts are provided with an upper mounting groove and a lower mounting groove that are recessed and arranged vertically. The openings of the upper mounting groove and the lower mounting groove face outward. Furthermore, the connecting part is provided with an upper through hole that longitudinally penetrates and connects to the upper mounting groove, and a lower through hole that longitudinally penetrates and connects to the lower mounting groove; Two adjacent power battery packs are connected by bolts that pass through the lower through hole of the upper power battery pack and the upper through hole of the lower power battery pack in sequence. The lower mounting groove is used to accommodate the head of the bolt, and the upper mounting groove is used to accommodate the nut that is threaded onto the bolt; The ceiling frame is connected to the top of the battery pack by bolts passing through the upper through-holes of the power battery PACK located at the top. The bottom frame is connected to the bottom of the battery pack by bolts passing through the under-hole of the power battery PACK located at the bottom.

4. The spineless tower-type power battery box assembly according to claim 1, characterized in that: The bottom frame is detachably connected to the left frame, the battery cluster, and the right frame; the ceiling frame is detachably connected to the left frame, the battery cluster, and the right frame.

5. The spineless tower-type power battery box assembly according to claim 1, characterized in that: The bottom frame is detachably connected to the left frame, the battery cluster, and the right frame by bolts; The bottom frame has threaded holes for threaded connection of the bolts.

6. The spineless tower-type power battery box assembly according to claim 1, characterized in that: The ceiling frame is detachably connected to the left frame, the battery cluster, and the right frame by bolts; The left and right frames are provided with threaded holes for threaded connection of the bolts.

7. The spineless tower-type power battery box assembly according to claim 1, characterized in that: The bottom frame includes a boat-shaped frame; The boat-shaped frame is detachably connected to the left side frame, the right side frame, and the battery cluster.

8. The spineless tower-type power battery box assembly according to claim 7, characterized in that: The bottom of the left and right ends of the boat-shaped frame is provided with inclined surfaces that slope upwards from the inside to the outside along the left and right direction.

9. The spineless tower-type power battery box assembly according to claim 1, characterized in that: The left frame is a square structure used to protect the protruding structure on the left side of the power battery pack.

10. A new energy vehicle, characterized in that, The invention includes a spineless tower-type power battery box assembly as described in any one of claims 1 to 9, wherein the contoured sub-beam of the bottom frame is connected to the vehicle frame by multiple sets of bolts.

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