New energy commercial vehicle and battery box thereof

Abstract

The utility model relates to a new energy commercial vehicle, and discloses a new energy commercial vehicle and a battery box thereof. The battery box comprises a box body (1), a partition frame (10) is arranged in the box body (1), the partition frame (10) divides the interior of the box body (1) into a battery pack installation area (20) and a high-voltage box installation area (30) which are arranged up and down, a battery pack (40) placed on the upper end face of the partition frame (10) is arranged in the battery pack installation area (20), and a high-voltage box (50) fixed to the lower end face of the partition frame (10) is arranged in the high-voltage box installation area (30). And the bottom of the box body (1) is provided with a charging and swapping connector (60) positioned below the high-voltage box (50). According to the utility model, not only is the cost lower, but also the overall volume can be reduced as much as possible on the premise of ensuring enough capacity of the battery pack (40) through the reasonable arrangement of the battery pack (40), the high-voltage box (50) and the wiring channel.

Description

Technical Field

[0001] The utility model relates to a new energy commercial vehicle, in particular to a new energy commercial vehicle and a battery box thereof. Background Art

[0002] With the increasing popularity and rapid development of electric vehicles, the trend towards electrification is becoming increasingly evident. Electric vehicles include not only passenger cars, but also pure electric commercial vehicles, which are being promoted and used in an orderly manner. Battery packs replace the fuel tanks of fuel vehicles and become the power source of these vehicles.

[0003] The existing battery pack needs to integrate the battery pack, high-voltage box and water cooling system for regulating the battery pack temperature. The water cooling system generally includes a water cooling plate, a water cooling box and a control module. During the design process, not only the installation position and installation space of each component must be sufficient, but also the overall wiring problem needs to be considered. Therefore, although the existing commercial vehicle battery box is generally large in size, the battery pack capacity is limited. Therefore, it is necessary to provide a battery box with a reasonable layout so that it can reduce the overall volume and ensure sufficient battery pack capacity. Summary of the Invention

[0004] The utility model addresses the problems in the prior art such as limited battery pack capacity in a battery box, limited size of a water cooling box, and low water cooling efficiency, and provides a new energy commercial vehicle and a battery box thereof.

[0005] In order to solve the above technical problems, the present invention is solved by the following technical solutions:

[0006] The battery box includes a box body with a partition frame inside the box body. The partition frame divides the interior of the box body into a battery pack installation area and a high-voltage box installation area arranged upper and lower. The battery pack installation area is provided with a battery pack placed on the upper end face of the partition frame, and the high-voltage box installation area is provided with a high-voltage box fixed on the lower end face of the partition frame. A charging and swapping connector is provided below the high-voltage box at the bottom of the box body.

[0007] Preferably, a water cooling box is also included, which is connected to the water cooling plate inside the battery box via a water pipe. The centrally located high-voltage box not only allows for easier connection to the charging and battery swapping connector on the bottom frame, but also ensures uniform force distribution throughout the box, ensuring the balance of the battery box.

[0008] Preferably, the box body includes a box frame, the box frame includes a top frame, a bottom frame and supporting columns arranged between the top frame and the bottom frame, the partition frame is arranged parallel to the top frame and the bottom frame, the high-voltage box is centered on the partition frame, and the charging and swapping connector is arranged on the bottom frame and is located directly below the high-voltage box.

[0009] Preferably, the box further comprises a side support frame installed between adjacent support columns, the side support frame comprising two support rods connected at an angle and cross-connected, the ends of the support rods being fixed to the support columns. The provision of the side support frame can make the box structure more stable and have better structural strength.

[0010] Preferably, the side support frame further comprises a support base fixed on the support column, and the end of the support rod is fixed to the support base by a bolt. The connection method between the support rod and the support column can realize the rapid installation and rapid removal of the support rod.

[0011] Preferably, the support seat includes an L-shaped plate-shaped fixing portion and a flat plate-shaped connecting portion. The outer side surface of the fixing portion is fixed to the side surface of the support column. The connecting portion is vertically arranged. The fixing portion and the connecting portion together constitute a receiving area for the end of the support rod to extend into. The end of the support rod is provided with an L-shaped matching groove that matches the connecting portion. The end of the support rod extends into the receiving area and is fixed to the connecting portion by bolts. The matching of the fixing portion and the connecting portion can achieve rapid positioning of the support rod during installation, so as to achieve rapid installation and fixation of the support rod.

[0012] Preferably, the partition frame includes two horizontally arranged longitudinal bars extending along the length of the battery pack and a plurality of transverse bars disposed between the two longitudinal bars and arranged perpendicular to the longitudinal bars. The ends of the longitudinal bars and / or the transverse bars are provided with extensions that can be fixed to the support columns. The provision of the extensions enables the partition frame to be fixedly mounted on the support columns.

[0013] Preferably, the top frame and the bottom frame are both rectangular frames and the top frame is provided with a hoisting beam for hoisting. The arrangement of the hoisting beam enables the hoisting of the entire battery box.

[0014] A new energy commercial vehicle includes a frame, the frame includes a chassis, the chassis is fixed with a vehicle-mounted base, the vehicle-mounted base is provided with a battery replacement connector, and also includes a battery box, the battery box is fixed on the vehicle-mounted base and the charging and battery replacement connector is connected to the battery replacement connector.

[0015] Preferably, a water cooling box mounting base is fixed to the chassis. Fixing the water cooling box to the vehicle chassis can adapt to different battery boxes and improve water cooling efficiency.

[0016] The utility model has significant technical effects due to the adoption of the above technical solutions:

[0017] The battery box in the present invention not only has a lower cost, but also can reduce the overall volume as much as possible while ensuring sufficient battery pack capacity through the reasonable layout of the battery pack, high-voltage box and wiring trough. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a schematic diagram of the structure of embodiment 1 of the present utility model Figure 1 .

[0019] Figure 2 This is a schematic diagram of the structure of embodiment 1 of the present utility model Figure 2

[0020] Figure 3 yes Figure 1 Schematic diagram of the battery box structure.

[0021] Figure 4 yes Figure 3 Front view of .

[0022] Figure 5 yes Figure 3 side view.

[0023] Figure 6 yes Figure 3 Enlarged view of part A. DETAILED DESCRIPTION

[0024] The present invention is described in further detail below with reference to the accompanying drawings and embodiments. Example

[0025] Battery box, such as Figures 1-6 As shown, it includes a box body 1, a partition frame 10 is provided inside the box body 1, and the partition frame 10 divides the inside of the box body 1 into a battery pack installation area 20 and a high-voltage box installation area 30 arranged upper and lower. The battery pack installation area 20 is provided with a battery pack 40 placed on the upper end surface of the partition frame 10, and the high-voltage box installation area 30 is provided with a high-voltage box 50 fixed on the lower end surface of the partition frame 10. The bottom of the box body 1 is provided with a charging and swapping connector 60 located below the high-voltage box 50.

[0026] In this embodiment, the battery pack 40 is placed on the upper end surface of the partition frame 10, and the high-voltage box 50 is fixed on the lower end surface of the partition frame 10. The battery pack 40 and the high-voltage box 50 are arranged adjacent to each other up and down, and the high-voltage box 50 is directly arranged above the charging and swapping connector 60, so that the wiring in the entire box body 1 is more convenient and more reasonable. Not only has it lower cost, but it can also reduce the overall volume as much as possible while ensuring sufficient battery pack 40 capacity through the reasonable layout of the battery pack 40, the high-voltage box 50 and the wiring groove.

[0027] The water cooling tank 70 is externally arranged on the box body 1 and is connected to the water cooling plate inside the battery box through the water pipe 101. The water cooling tank 70 is externally arranged instead of being arranged in the battery box, which can release the internal space of the box body 1, provide more installation space for the battery pack 40, be compatible with different battery packs 40, and enable the water tank to be of different sizes to adapt to different battery boxes according to needs, thereby improving the defects of low efficiency and inability to increase water cooling power due to the limited size of the water cooling tank 70.

[0028] In the embodiment, the box body 1 includes a box body framework, the box body framework includes a top frame 80, a bottom frame 90, and a support column 102 arranged between the top frame 80 and the bottom frame 90, the partition frame 10 is arranged in parallel between the top frame 80 and the bottom frame 90, the high-voltage box 50 is centrally arranged on the partition frame 10, and the charging and swapping connector 60 is arranged on the bottom frame 90 and located directly below the high-voltage box 50. The centrally arranged high-voltage box 50 can not only facilitate wiring of the charging and swapping connector 60 on the bottom frame 90, but also ensure uniform stress distribution of the entire box body 1 and balance of the battery box.

[0029] In the embodiment, in order to strengthen the structural stability of the box body 1, a side support frame 103 is arranged between adjacent support columns 102, the side support frame 103 includes two inclined and cross-connected support rods 104, and the end portions of the support rods 104 are fixed to the support columns 102.

[0030] In order to facilitate installation of the support rods 104, the side support frame 103 in the embodiment further includes a support seat 105 fixed to the support column 102, and the end portion of the support rod 104 is fixed to the support seat 105 by a bolt. The connection mode between the support rod 104 and the support column 102 can realize quick installation and quick disassembly of the support rod 104.

[0031] The support seat 105 includes an L-shaped plate-shaped fixed portion 106 and a flat plate-shaped connecting portion 107, the outer side surface of the fixed portion 106 is fixed to the side surface of the support column 102, the plate surface of the connecting portion 107 is vertically arranged, the fixed portion 106 and the connecting portion 107 jointly form a containing area 109 for the end portion of the support rod 104 to extend into, the end portion of the support rod 104 is provided with an L-shaped matching groove 108 matched with the connecting portion 107, and the end portion of the support rod 104 extends into the containing area 109 and is fixed to the connecting portion 107 by a bolt.

[0032] The specific structure of the support seat 105 can make the installation structure of the support rod 104 on the support column 102 more compact, ensure that the outer side surfaces of the support rod 104 and the support column 102 are flush, and avoid the situation where the volume of the box 1 needs to be increased due to the addition of the support rod 104. At the same time, the cooperation between the fixing part 106 and the connecting part 107 can realize the rapid positioning of the support rod 104 during installation, so as to realize the rapid installation and fixation of the support rod 104.

[0033] In this embodiment, the partition frame 10 includes two horizontally arranged longitudinal bars 110 arranged along the length direction of the battery pack 40 and a plurality of transverse bars 111 arranged between the two longitudinal bars 110 and perpendicular to the longitudinal bars 110. The ends of the longitudinal bars 110 and / or the transverse bars 111 are extended with extensions 112 that can be fixed to the support columns 102. The top frame 80 and the bottom frame 90 are both rectangular frames, and the top frame 80 is provided with a hoisting beam 113 for hoisting. The size of the partition frame 10 corresponds to the size of the battery pack 40, which is smaller than the size of the top frame 80 and the bottom frame 90. The partition frame 10 is fixed to the corresponding support column 102 by the extension 112. In this embodiment, the extension 112 is formed by extending from both ends of the two outermost transverse bars 111.

[0034] In this embodiment, a new energy commercial vehicle is provided, which includes a frame, the frame includes a chassis 3, the chassis 3 is provided with a vehicle-mounted base 2, the vehicle-mounted base 2 is provided with a battery replacement connector (not shown in the figure), and also includes the aforementioned battery box, the battery box is fixed on the vehicle-mounted base 2 and the charging and battery replacement connector 60 is connected to the battery replacement connector.

[0035] A water cooling box mounting base 4 is also fixed on the chassis 3, and the water cooling box 70 is fixed on the water cooling box mounting base 4. A water pipe 101 is connected between the water cooling box 70 and the water cooling plate in the battery pack 40. The water pipe 101 includes a water inlet pipe 101 and a water outlet pipe 101. The water inlet pipe 101 and the water outlet pipe 101 pass through the partition frame 10, the bottom frame 90 and the vehicle-mounted base 2 from the bottom of the battery pack 40 and are connected to the water inlet and water outlet on the side of the water cooling box 70.

[0036] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application based on one or several embodiments provided in the present application to obtain other embodiments, and these embodiments do not exceed the scope of protection of the present application.

[0037] In short, the above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention patent.

Claims

1. A battery box, comprising a box body (1), characterized in that: A partition frame (10) is provided inside the box body (1), and the partition frame (10) divides the inside of the box body (1) into a battery pack installation area (20) and a high-voltage box installation area (30) arranged in an upper and lower manner. A battery pack (40) is provided in the battery pack installation area (20) and is placed on the upper end surface of the partition frame (10). A high-voltage box (50) is provided in the high-voltage box installation area (30) and is fixed on the lower end surface of the partition frame (10). A charging and swapping connector (60) is provided at the bottom of the box body (1) and is located below the high-voltage box (50).

2. The battery box according to claim 1, characterized in that: It also includes a water cooling box (70) arranged outside the box body (1), and the water cooling box (70) is connected to the water cooling plate inside the battery box through a water pipe (101).

3. The battery box according to claim 1, characterized in that: The box body (1) includes a box frame, which includes a top frame (80), a bottom frame (90), and a support column (102) arranged between the top frame (80) and the bottom frame (90); a partition frame (10) is arranged parallel to the top frame (80) and the bottom frame (90); a high-voltage box (50) is arranged in the center of the partition frame (10); and a charging and swapping connector (60) is arranged on the bottom frame (90) and is located directly below the high-voltage box (50).

4. The battery box according to claim 3, characterized in that: It also includes a side support frame (103) installed between adjacent support columns (102), and the side support frame (103) includes two support rods (104) connected in an oblique cross manner, and the ends of the support rods (104) are fixed on the support columns (102).

5. The battery box according to claim 4, characterized in that: The side support frame (103) further comprises a support seat (105) fixed on the support column (102), and the end of the support rod (104) is fixed to the support seat (105) by means of bolts.

6. The battery box according to claim 5, characterized in that: The support seat (105) includes an L-shaped plate-shaped fixing portion (106) and a flat plate-shaped connecting portion (107), the outer side surface of the fixing portion (106) is fixed to the side surface of the support column (102), the connecting portion (107) is vertically arranged, the fixing portion (106) and the connecting portion (107) together constitute a receiving area (109) for the end of the support rod (104) to extend into, the end of the support rod (104) is provided with an L-shaped matching groove (108) that matches the connecting portion (107), the end of the support rod (104) extends into the receiving area (109) and is fixed to the connecting portion (107) by bolts.

7. The battery box according to claim 3, characterized in that: The partition frame (10) comprises two horizontally arranged longitudinal bars (110) arranged along the length direction of the battery pack (40) and a plurality of transverse bars (111) arranged between the two longitudinal bars (110) and perpendicular to the longitudinal bars (110). The ends of the longitudinal bars (110) and / or the transverse bars (111) are extended with extensions (112) that can be fixed to the support columns (102).

8. The battery box according to claim 3, characterized in that: The top frame (80) and the bottom frame (90) are both rectangular frames, and a hoisting beam (113) for hoisting is provided on the top frame (80).

9. A new energy commercial vehicle, characterized by: The vehicle comprises a frame, the frame comprises a chassis (3), the chassis (3) is provided with a vehicle-mounted base (2) fixed thereto, the vehicle-mounted base (2) is provided with a battery-swap connector, and the vehicle-mounted base (2) further comprises a battery box as claimed in any one of claims 1 to 8, the battery box is fixed on the vehicle-mounted base (2) and the charging and battery-swap connector (60) is connected to the battery-swap connector.

10. A new energy commercial vehicle according to claim 9, characterized in that: A water cooling box mounting seat (4) is also fixed on the chassis (3).

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