CTP battery pack arrangement structure

Abstract

The utility model provides a CTP battery pack arrangement structure which comprises a box body and a first partition plate, the first partition plate is arranged in the box body and divides an inner cavity of the box body into a battery bin and an electrical bin, a plurality of battery cells are arranged in the battery bin, a high-voltage box and a low-voltage component are arranged in the electrical bin, and the high-voltage box and the low-voltage component are arranged in the electrical bin. The plurality of battery cells are electrically connected with one another through copper bars, and the copper bars are arranged at the tops of the battery cells. The battery cells can be separated from electrical parts such as a high-voltage box and a low-voltage component during arrangement, the assemblable area of the box body is fully utilized, and the copper bars are arranged at the tops of the battery cells, so that the copper bars can be far away from the box body and do not occupy the assemblable area of the box body; and the connecting cables for connecting the battery cells, the high-voltage box and the low-voltage component are all positioned in the electrical cabin, so that the connecting cables do not occupy the assembling area of the battery cells, the plurality of battery cells can be sufficiently and adjacently arranged, and the energy density of battery pack arrangement is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of CTP battery pack layout, in particular to a CTP battery pack layout structure. Background Technique

[0002] Currently, the new energy battery industry has higher and higher requirements for low cost and high power. Therefore, when arranging the CTP battery pack, while meeting safety requirements, it is also necessary to improve the efficiency and energy density of battery grouping as much as possible.

[0003] The invention with the publication number of CN118281458A proposes a box body of a CTP battery pack and a CTP battery pack. The box body of the CTP battery pack includes a box body main body, and a plurality of installation grooves for accommodating battery cell modules are formed in the box body main body; the box body of the CTP battery pack further includes a plurality of transition plates, and the plurality of transition plates are respectively arranged in the plurality of installation grooves. The transition plates surround and clamp the corresponding battery cell modules, and the transition plates are connected to the box body of the CTP battery pack through a mortise and tenon structure. However, in the above-mentioned CTP battery pack layout scheme, the high-voltage area, low-voltage area and battery cell layout area in the CTP battery pack cannot be separated and arranged. When connecting cables, the cable wiring is messy and occupies a large space, thereby reducing the energy density of the CTP battery pack layout. Therefore, this scheme specifically proposes a CTP battery pack layout structure to solve the above problems. Content of the Utility Model

[0004] In view of this, the utility model proposes a CTP battery pack layout structure. By arranging a plurality of battery cells in a mutually arranged manner inside the battery compartment, and arranging the high-voltage box and low-voltage components adjacent to each other inside the electrical compartment, the battery cells can be separated from electrical components such as the high-voltage box and low-voltage components during layout, making full use of the assemblable area of the box body. Since the copper bars are all arranged on the top of the battery cells, the copper bars can be far away from the box body, so that they do not occupy the assemblable area of the box body. Moreover, the connecting cables connecting the battery cells, the high-voltage box and the low-voltage components are all located inside the electrical compartment, so that the connecting cables do not occupy the assembly area of the battery cells, enabling a plurality of battery cells to be fully arranged adjacent to each other, thereby improving the energy density of the battery pack layout.

[0005] The technical solution of the utility model is realized as follows: The utility model provides a CTP battery pack layout structure, including a box body and a first partition, wherein,

[0006] The first partition is arranged inside the box body and divides the inner cavity of the box body into a battery compartment and an electrical compartment. A plurality of battery cells are all arranged inside the battery compartment, and a high-voltage box and low-voltage components are all arranged inside the electrical compartment. The plurality of battery cells are electrically connected to each other through copper bars, and the copper bars are all arranged on the tops of the battery cells. The high-voltage box and the low-voltage components are electrically connected to the plurality of battery cells through connecting cables, and the connecting cables are located inside the electrical compartment.

[0007] Based on the above technical solutions, preferably, it further includes a second partition, wherein,

[0008] The second partition is arranged inside the electrical compartment and divides the electrical compartment into a high-voltage assembly cavity and a low-voltage assembly cavity. The high-voltage box is arranged inside the high-voltage assembly cavity, and the low-voltage components are arranged inside the low-voltage assembly cavity.

[0009] Based on the above technical solutions, preferably, the number of the second partitions is two, and the high-voltage assembly cavity and the low-voltage assembly cavity are respectively formed on opposite sides of the two second partitions. Through-wire grooves are formed on the second partitions.

[0010] Based on the above technical solutions, preferably, it further includes a cross beam, wherein,

[0011] The cross beam is arranged inside the battery compartment and is located at the middle position of the battery compartment. The plurality of battery cells are symmetrically arranged on opposite sides of the cross beam.

[0012] Based on the above technical solutions, preferably, the inside of the cross beam is hollow, and a support frame is arranged inside the cross beam.

[0013] Based on the above technical solutions, preferably, it further includes a plurality of silica gel foam pads, wherein,

[0014] The plurality of silica gel foam pads are respectively arranged between adjacent two battery cells for heat insulation.

[0015] Based on the above technical solutions, preferably, it further includes mica sheets, wherein,

[0016] The mica sheets are arranged on one side of the first partition close to the battery cells for heat insulation.

[0017] Based on the above technical solutions, preferably, it further includes a communication interface, a heat dissipation plate, a water inlet pipe and a water outlet pipe, wherein,

[0018] The communication interface, the water inlet pipe and the water outlet pipe are all arranged on the box body and are located on the side of the electrical compartment away from the battery compartment;

[0019] The heat dissipation plate is arranged at the bottom of the box body, and both the water inlet pipe and the water outlet pipe are communicated with the heat dissipation plate.

[0020] Based on the above technical solutions, preferably, it further includes two side plates, wherein,

[0021] The two side plates are respectively arranged on the opposite sides of the box body, and a plurality of mounting holes are formed on both of the two side plates.

[0022] Based on the above technical solutions, preferably, it further includes an insulating plate and an explosion-proof valve plate, wherein,

[0023] The explosion-proof valve plate is arranged on the box body and is located on the side of the battery compartment away from the electrical compartment;

[0024] The insulating plate is arranged inside the battery compartment and is located on the side of the explosion-proof valve plate close to the battery cells. The CTP battery pack layout structure of the present utility model has the following beneficial effects compared with the prior art:

[0025] (1) By arranging a plurality of battery cells in a mutually arranged manner inside the battery compartment and arranging the high-voltage box and low-voltage components adjacent to each other inside the electrical compartment, the battery cells can be separated from electrical components such as the high-voltage box and low-voltage components during arrangement, making full use of the assemblable area of the box body. Since the copper bars are all arranged on the top of the battery cells, the copper bars can be far away from the box body without occupying the assemblable area of the box body, and the connecting cables connecting the battery cells, high-voltage box and low-voltage components are all located inside the electrical compartment, so that the connecting cables do not occupy the assembly area of the battery cells, enabling a plurality of battery cells to be arranged adjacent to each other sufficiently, thereby improving the energy density of the battery pack layout.

[0026] (2) In specific implementation, the volume of the battery compartment is relatively large compared with that of the electrical compartment. By arranging the cross beam at the middle position of the battery compartment, the cross beam can support the battery cells, increasing the stability of the assembly of a plurality of battery cells. By setting the cross beam to be hollow and arranging a support frame inside the cross beam, while ensuring the structural strength of the cross beam, the cost is saved. Description of the Drawings

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0028] Figure 1 It is a top-down perspective view of the CTP battery pack layout structure of the present utility model;

[0029] Figure 2 It is the bottom perspective view of the CTP battery pack layout structure of the present utility model;

[0030] Figure 3 It is the perspective schematic diagram of the CTP battery pack layout structure of the present utility model after detaching the battery cells, high-voltage box and low-voltage components;

[0031] Figure 4 It is the Figure 3 enlarged schematic diagram of the position A shown in the CTP battery pack layout structure of the present utility model;

[0032] Figure 5 It is the perspective schematic diagram of the cross beam of the CTP battery pack layout structure of the present utility model. Specific embodiments

[0033] Next, in combination with the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0034] As Figures 1 to 5 shown, the CTP battery pack layout structure of the present utility model is characterized in that: it includes a box body 1 and a first partition 2. Among them, the first partition 2 is arranged inside the box body 1 and divides the inner cavity of the box body 1 into a battery compartment 11 and an electrical compartment 12. A plurality of battery cells 31 are all arranged inside the battery compartment 11, and a high-voltage box 41 and low-voltage components 42 are all arranged inside the electrical compartment 12. The plurality of battery cells 31 are electrically connected to each other through copper bars 32, and the copper bars 32 are all arranged on the tops of the battery cells 31. The high-voltage box 41 and low-voltage components 42 are electrically connected to the plurality of battery cells 31 through connection cables 43, and the connection cables 43 are located inside the electrical compartment 12.

[0035] In specific implementation, the plurality of battery cells 31 are all arranged inside the battery compartment 11 in a mutually arranged manner, and the high-voltage box 41 and low-voltage components 42 are arranged adjacent to each other inside the electrical compartment 12, so that when the battery cells 31 are arranged, they can be separated from electrical components such as the high-voltage box 41 and low-voltage components 42, making full use of the installable area of the box body 1. Since the copper bars 32 are all arranged on the tops of the battery cells 31, the copper bars 32 can be far away from the box body 1 and do not occupy the installable area of the box body 1. Also, the connection cables 43 connecting the battery cells 31, high-voltage box 41 and low-voltage components 42 are all located inside the electrical compartment 12, so that the connection cables 43 do not occupy the installation area of the battery cells 31, enabling the plurality of battery cells 31 to be fully arranged adjacent to each other, thereby improving the energy density of the battery pack layout.

[0036] As a preferred embodiment, it further includes a second partition plate 5. Among them, the second partition plate 5 is arranged inside the electrical compartment 12 and divides the electrical compartment 12 into a high-voltage assembly cavity 121 and a low-voltage assembly cavity 122. The high-voltage box 41 is arranged inside the high-voltage assembly cavity 121, and the low-voltage component 42 is arranged inside the low-voltage assembly cavity 122.

[0037] The number of the second partition plates 5 is two, and the high-voltage assembly cavity 121 and the low-voltage assembly cavity 122 are respectively formed on the opposite sides of the two second partition plates 5. A wire slot 51 is formed on the second partition plate 5.

[0038] In specific implementation, by setting the number of the second partition plates 5 to two, the overall structural strength of the electrical compartment 12 is increased. By forming a wire slot 51 on the second partition plate 5, the connection cable 43 can connect the high-voltage box 41 and the low-voltage component 42 without the connection height protruding.

[0039] As a preferred embodiment, it further includes a cross beam 61. Among them, the cross beam 61 is arranged inside the battery compartment 11 and is located at the middle position of the battery compartment 11. A plurality of battery cells 31 are symmetrically arranged on the opposite sides of the cross beam 61.

[0040] The inside of the cross beam 61 is hollow, and a support frame 62 is arranged inside the cross beam 61.

[0041] In specific implementation, the volume of the battery compartment 11 is relatively large compared to the volume of the electrical compartment 12. By arranging the cross beam 61 at the middle position of the battery compartment 11, the cross beam 61 can support the battery cells 31 and increase the stability of the assembly of the plurality of battery cells 31. By setting the cross beam 61 to be hollow and arranging a support frame 62 inside the cross beam 61, while ensuring the structural strength of the cross beam 61, the cost is saved.

[0042] As a preferred embodiment, it further includes a plurality of silica gel foam pads 63. Among them, the plurality of silica gel foam pads 63 are respectively arranged between two adjacent battery cells 31 for heat insulation.

[0043] It further includes a mica sheet 64. Among them, the mica sheet 64 is arranged on the side of the first partition plate 2 close to the battery cells 31 for heat insulation.

[0044] In specific implementation, both the silica gel foam pads 63 and the mica sheet 64 are used for heat insulation, to prevent the heat between the plurality of battery cells 31 from affecting each other, and to prevent the electrical components in the electrical compartment 12 from affecting the heat of the battery cells 31.

[0045] As a preferred embodiment, it further includes a communication interface 71, a heat dissipation plate 72, a water inlet pipe 73 and a water outlet pipe 74. Among them, the communication interface 71, the water inlet pipe 73 and the water outlet pipe 74 are all arranged on the box body 1 and are located on the side of the electrical compartment 12 away from the battery compartment 11; the heat dissipation plate 72 is arranged at the bottom of the box body 1, and the water inlet pipe 73 and the water outlet pipe 74 are both communicated with the heat dissipation plate 72.

[0046] In specific implementation, the communication interface 71 is electrically connected to the electrical components in the electrical compartment 12 through a cable. The external cooling water flows into the heat dissipation plate 72 through the water inlet pipe 73 and then is discharged from the water outlet pipe 74, which is used to dissipate heat from the battery cells 31.

[0047] As a preferred embodiment, it further includes two side plates 8. Among them, the two side plates 8 are respectively arranged on the opposite sides of the box body 1, and a plurality of mounting holes 81 are opened on both of the two side plates 8.

[0048] In specific implementation, the mounting holes 81 are used for the assembly process of the box body 1. The plurality of mounting holes 81 are equidistantly distributed, which is used to increase the stability of the assembly of the box body 1.

[0049] As a preferred embodiment, it further includes an insulating plate 65 and an explosion-proof valve plate 9. Among them, the explosion-proof valve plate 9 is arranged on the box body 1 and is located on the side of the battery compartment 11 away from the electrical compartment 12; the insulating plate 65 is arranged inside the battery compartment 11 and is located on the side of the explosion-proof valve plate 9 close to the battery cells 31.

[0050] With such a design, the explosion-proof valve plate 9 is used to release the pressure inside the box body 1. The insulating plate 65 is an epoxy resin fiberglass board, which is used to isolate the explosion-proof valve plate 9 to prevent external impurities from entering the inside of the box body 1 through the explosion-proof valve plate 9.

[0051] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A CTP battery pack arrangement structure, characterized in that: It comprises a box body (1) and a first partition plate (2), wherein: A first partition (2) is arranged inside the box (1) and divides the inner cavity of the box (1) into a battery compartment (11) and an electrical compartment (12); a plurality of battery cells (31) are arranged inside the battery compartment (11); a high-voltage box (41) and a low-voltage component (42) are arranged inside the electrical compartment (12); the plurality of battery cells (31) are electrically connected to each other via a copper busbar (32), and the copper busbar (32) is arranged on the top of the battery cells (31); the high-voltage box (41) and the low-voltage component (42) are electrically connected to the plurality of battery cells (31) via a connecting cable (43); and the connecting cable (43) is located inside the electrical compartment (12).

2. The CTP battery pack arrangement structure according to claim 1, characterized in that: It also includes a second partition (5), wherein: The second partition (5) is arranged inside the electrical compartment (12) and divides the electrical compartment (12) into a high-voltage assembly chamber (121) and a low-voltage assembly chamber (122); the high-voltage box (41) is arranged inside the high-voltage assembly chamber (121), and the low-voltage component (42) is arranged inside the low-voltage assembly chamber (122).

3. The CTP battery pack arrangement structure according to claim 2, characterized in that: The number of the second partition plates (5) is two, and the high-pressure assembly chamber (121) and the low-pressure assembly chamber (122) are respectively formed on opposite sides of the two second partition plates (5), and a wire-passing groove (51) is provided on the second partition plates (5).

4. The CTP battery pack arrangement structure according to claim 1, characterized in that: Also included is a crossbeam (61), wherein: The crossbeam (61) is arranged inside the battery compartment (11) and is located in the middle of the battery compartment (11). The plurality of battery cells (31) are symmetrically arranged on opposite sides of the crossbeam (61).

5. The CTP battery pack arrangement structure according to claim 4, characterized in that: The interior of the cross beam (61) is hollow, and a support frame (62) is arranged inside the cross beam (61).

6. The CTP battery pack arrangement structure according to claim 4, characterized in that: It also includes a plurality of silicone foams (63), wherein: A plurality of silica gel foams (63) are respectively arranged between two adjacent battery cells (31) for heat insulation.

7. The CTP battery pack arrangement structure according to claim 4, characterized in that: Also included is a mica sheet (64), wherein: A mica sheet (64) is arranged on a side of the first partition (2) close to the battery core (31) and is used for heat insulation.

8. The CTP battery pack arrangement structure according to claim 1, characterized in that: It also includes a communication interface (71), a heat sink (72), a water inlet pipe (73) and a water outlet pipe (74), wherein: The communication interface (71), the water inlet pipe (73) and the water outlet pipe (74) are all arranged on the box body (1) and are located on a side of the electrical compartment (12) away from the battery compartment (11); A heat sink (72) is arranged at the bottom of the box body (1), and the water inlet pipe (73) and the water outlet pipe (74) are both connected to the heat sink (72).

9. The CTP battery pack arrangement structure according to claim 1, characterized in that: It also includes two side panels (8), wherein: The two side panels (8) are respectively arranged on opposite sides of the box body (1), and a plurality of mounting holes (81) are provided on the two side panels (8).

10. The CTP battery pack arrangement structure according to claim 1, characterized in that: It also includes an insulating plate (65) and an explosion-proof valve plate (9), wherein: An explosion-proof valve plate (9) is arranged on the box body (1) and is located on a side of the battery compartment (11) away from the electrical compartment (12); The insulating plate (65) is arranged inside the battery compartment (11) and is located on a side of the explosion-proof valve plate (9) close to the battery core (31).

Images