A soft-pack battery module framework component, a battery component and a new energy vehicle

Abstract

The present invention discloses a soft-pack battery module framework assembly, a battery assembly and a new energy vehicle, relating to the technical field of new energy vehicles, and solving the technical problem that the framework structure of the aluminum shell battery module in the prior art is not applicable to the soft-pack battery module. The soft-pack battery module framework assembly of the present invention has a battery module installation part and a PCB data acquisition board installation groove. Among them, the soft-pack battery module framework assembly is sleeved on the battery module, and the battery module is located within the battery module installation part with the tabs on both sides of the battery module exposed; the PCB data acquisition board installation groove is used for installing the PCB data acquisition board and connecting the PCB data acquisition board to the tabs on both sides of the battery module. The soft-pack battery module framework assembly of the present invention can conveniently realize the PCB data acquisition board to collect the voltage and temperature of the battery module, and effectively improve the collection method of the voltage and temperature of the bilateral tabs of the soft-pack battery module.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy vehicles, and in particular to a soft-pack battery module frame assembly, a battery assembly having the soft-pack battery module frame assembly, and a new energy vehicle having the battery assembly. Background Art

[0002] With the development of new energy vehicles and the maturity of power batteries, power batteries are developing towards higher energy density, smaller size and higher power density. Compared with aluminum shell batteries and steel shell square batteries, soft-pack batteries packaged with aluminum-plastic film have the advantages of small size, light weight, high safety, and diverse appearance and size design. Therefore, battery cells composed of soft-pack batteries are increasingly widely used in electric vehicles as energy storage devices.

[0003] As the core of the energy system, the battery module must monitor the voltage and temperature of the single cell in real time. At present, aluminum-shell battery modules generally use PCB data acquisition boards to collect the voltage and temperature of the single cell. However, the tabs of the soft-pack battery module are different from those of the aluminum-shell battery module, which are located on the same side of the battery module, making the frame structure of the aluminum-shell battery module unsuitable for the soft-pack battery module.

[0004] Therefore, providing a battery module frame assembly that facilitates the PCB data acquisition board to collect the voltage and temperature of the single battery of the soft-pack battery module has become a technical problem that needs to be solved urgently by technical personnel in this field. Summary of the invention

[0005] One of the purposes of the present invention is to provide a soft-pack battery module frame assembly, a battery assembly and a new energy vehicle, which solves the technical problem that the frame structure of the aluminum shell battery module in the prior art is not suitable for the soft-pack battery module. The many technical effects that can be produced by the preferred technical solution of the present invention are described in detail below.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] The soft-pack battery module frame assembly of the present invention has a battery module mounting portion and a PCB data acquisition board mounting groove, wherein the soft-pack battery module frame assembly is sleeved on the battery module and the battery module is located in the battery module mounting portion with the pole ears on both sides of the battery module exposed; the PCB data acquisition board mounting groove is used to install the PCB data acquisition board and connect the PCB data acquisition board to the pole ears on both sides of the battery module.

[0008] According to a preferred embodiment, the soft-pack battery module frame assembly is made of heat-dissipating material, and the battery module mounting portion is an inverted concave structure, and the PCB data acquisition board mounting groove is located on the upper surface of the battery module mounting portion.

[0009] According to a preferred embodiment, the flexible battery module frame assembly further has a collecting wire harness installation groove, which is located on the upper surface of the battery module installation part and extends to the ear tabs on both sides of the battery module. The collecting wire harness installation groove is used for installing the collecting wire harness connected between the PCB data acquisition board and the ear tabs on both sides of the battery module.

[0010] According to a preferred embodiment, the flexible battery module frame assembly includes a first frame module, a second frame module, a third frame module and a fourth frame module. The first frame module, the second frame module, the third frame module and the fourth frame module are in an inverted concave shape structure, and the first frame module, the second frame module, the third frame module and the fourth frame module are connected in sequence to form the battery module installation part.

[0011] According to a preferred embodiment, the first frame module and the fourth frame module are located at the end positions of the flexible battery module frame assembly, the second frame module and the third frame module are located at the middle positions of the flexible battery module frame assembly, and the flexible battery module frame assembly determines the number of the second frame module and the third frame module based on the size of the battery module.

[0012] According to a preferred embodiment, bumps and notches are respectively arranged on the two mutually contacting surfaces of the first frame module, the second frame module, the third frame module and the fourth frame module, so that the first frame module, the second frame module, the third frame module and the fourth frame module are connected through the engagement of the bumps and the notches.

[0013] According to a preferred embodiment, cross grooves are arranged on the upper surfaces of the first frame module, the second frame module, the third frame module and the fourth frame module. After the first frame module, the second frame module, the third frame module and the fourth frame module are connected in sequence, the transverse parts of the cross grooves form the PCB data acquisition board installation groove; the vertical parts of the cross grooves extend to the ear tabs on both sides of the battery module and form the collecting wire harness installation groove.

[0014] According to a preferred embodiment, first card slots and second card slots are respectively arranged on the two side surfaces of the first frame module, the second frame module, the third frame module and the fourth frame module. The directions of the two first card slots on two adjacent frame modules are opposite, the directions of the two second card slots on two adjacent frame modules are opposite, and after the first frame module, the second frame module, the third frame module and the fourth frame module are connected in sequence, the ear tabs on both sides of the battery module are exposed through the first card slots and the second card slots.

[0015] The battery assembly of the present invention includes the pouch battery module frame assembly, battery module, PCB data acquisition board, and acquisition wire harness according to any technical solution of the present invention. Among them, the battery module is composed of a plurality of single cells connected in series in sequence. The pouch battery module frame assembly is sleeved on the battery module, and the battery module is located within the battery module installation portion of the pouch battery module frame assembly. The PCB data acquisition board is installed in the PCB data acquisition board installation slot of the pouch battery module frame assembly. The acquisition wire harness is connected between the PCB data acquisition board and the tabs on both sides of the single cell, and the acquisition wire harness is located within the acquisition wire harness installation slot of the pouch battery module frame assembly.

[0016] The new energy vehicle of the present invention includes the battery assembly according to any technical solution of the present invention.

[0017] The pouch battery module frame assembly, battery assembly, and new energy vehicle provided by the present invention at least have the following beneficial technical effects:

[0018] After the pouch battery module frame assembly of the present invention is sleeved on the battery module, the battery module can be located within the battery module installation portion, and the tabs on both sides of the battery module are exposed. By connecting the PCB data acquisition board installed in the PCB data acquisition board installation slot to the tabs on both sides of the battery module, it is convenient to realize the PCB data acquisition board to collect the voltage and temperature of the battery module, effectively improving the acquisition method of the voltage and temperature of the pouch battery module with double-sided tab output. That is, the pouch battery module frame assembly of the present invention solves the technical problem that the frame structure of the existing aluminum shell battery module is not applicable to the pouch battery module, and at the same time solves the problem of voltage and temperature acquisition of the pouch battery module with double-sided tab output.

[0019] In addition, the preferred technical solution of the present invention can also produce the following technical effects:

[0020] The pouch battery module frame assembly of the preferred technical solution of the present invention is made of a heat dissipation material, and the battery module installation portion is an inverted concave structure. The PCB data acquisition board installation slot is located on the upper surface of the battery module installation portion. After installing the PCB data acquisition board in the PCB data acquisition board installation slot, the pouch battery module frame assembly can not only play a supporting role, but also, since the pouch battery module frame assembly is made of a heat dissipation material, the heat dissipation performance and stability performance of the PCB data acquisition board can be improved. That is, the pouch battery module frame assembly of the preferred technical solution of this embodiment can effectively improve the heat dissipation performance and stability performance of the PCB data acquisition board.

[0021] The flexible battery module frame assembly of the preferred technical solution of the present invention further has a collection wire harness installation groove, which is located on the upper surface of the battery module installation part and extends to the tab ears on both sides of the battery module. The collection wire harness installation groove is used to install the collection wire harness connected between the PCB data collection board and the tab ears on both sides of the battery module, which not only makes the overall structure of the flexible battery module neater, but also improves the safety performance of the module. That is, the flexible battery module frame assembly of the preferred technical solution of this embodiment can effectively solve the problem that the collection wire harness of the PCB data collection board is exposed and there are potential safety hazards.

[0022] The flexible battery module frame assembly of the preferred technical solution of the present invention adopts a modular design, including a plurality of sequentially connected frame modules, which makes the flexible battery module frame assembly easy to assemble and splicing, and the structure is simple and easy to implement. That is, the flexible battery module frame assembly of the preferred technical solution of this embodiment solves the structural design problem of the flexible battery module with bilateral tab ears. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0024] Figure 1 is an exploded schematic view of a preferred embodiment of the flexible battery module frame assembly of the present invention;

[0025] Figure 2 is a schematic view of a preferred embodiment of the second frame module of the present invention;

[0026] Figure 3 is an assembled schematic view of a preferred embodiment of the battery module of the present invention;

[0027] Figure 4 is an assembled schematic view of a preferred embodiment of the flexible battery module frame assembly and the battery module of the present invention.

[0028] In the figure: 10. Flexible battery module frame assembly; 101. Battery module installation part; 102. PCB data collection board installation groove; 103. Collection wire harness installation groove; 104. First frame module; 105. Second frame module; 106. Third frame module; 107. Fourth frame module; 108. Protrusion; 109. Notch; 110. Cross groove; 111. First card slot; 112. Second card slot; 20. Battery module; 201. Single battery; 202. Positive tab ear; 203. Negative tab ear; 204. Positive and negative tab ears; 30. PCB data collection board; 40. Collection wire harness. Detailed implementation manners

[0029] To make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. Apparently, the described embodiments are only a part rather than all of the embodiments of the present invention. All other implementation manners obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the scope protected by the present invention.

[0030] The following will combine the description of the specification appendix Figures 1 to 4 as well as Embodiments 1 to 3 to describe in detail the flexible battery module frame assembly, battery assembly and new energy vehicle of the present invention.

[0031] Embodiment 1

[0032] This embodiment describes in detail the flexible battery module frame assembly of the present invention.

[0033] The flexible battery module frame assembly 10 of this embodiment has a battery module mounting portion 101 and a PCB data acquisition board mounting groove 102, as Figures 1 to 4 shown. Preferably, the flexible battery module frame assembly 10 is sleeved on the battery module 20 and the battery module 20 is located within the battery module mounting portion 101 and the tabs on both sides of the battery module 20 are exposed, as Figure 4 shown. Preferably, the PCB data acquisition board mounting groove 102 is used to mount the PCB data acquisition board 30 and connect the PCB data acquisition board 30 to the tabs on both sides of the battery module 20, as Figure 4 shown. The flexible battery module frame assembly 10 of this embodiment can not only play a role in fixing and protecting the battery module 20, but also provide a placement position for the PCB data acquisition board 30, enhancing its structural stability.

[0034] After the flexible battery module frame assembly 10 of this embodiment is sleeved on the battery module 20, the battery module 20 can be located within the battery module mounting portion 101 and the tabs on both sides of the battery module 20 are exposed. By connecting the PCB data acquisition board 30 installed in the PCB data acquisition board mounting groove 102 to the tabs on both sides of the battery module 20, it is convenient to realize the PCB data acquisition board 30 collecting the voltage and temperature of the battery module 20, effectively improving the acquisition method of the voltage and temperature of the flexible battery module with bilateral tabs. That is, the flexible battery module frame assembly 10 of this embodiment solves the technical problem that the frame structure of the existing aluminum shell battery module is not applicable to the flexible battery module, and also solves the problem of voltage and temperature acquisition of the flexible battery module with bilateral tabs.

[0035] According to a preferred embodiment, the pouch battery module frame assembly 10 is made of a heat-dissipating material, and the battery module mounting portion 101 has an inverted concave structure. The PCB data acquisition board mounting groove 102 is located on the upper surface of the battery module mounting portion 101, as shown in Figure 1 , 2 or 4. Preferably, the heat-dissipating material is a common heat-dissipating material in the prior art, such as graphite material, metal material, alloy material, etc.

[0036] In the preferred technical solution of this embodiment, the pouch battery module frame assembly 10 is made of a heat-dissipating material, and the battery module mounting portion 101 has an inverted concave structure. The PCB data acquisition board mounting groove 102 is located on the upper surface of the battery module mounting portion 101. After the PCB data acquisition board 30 is installed in the PCB data acquisition board mounting groove 102, the pouch battery module frame assembly 10 can not only play a supporting role, but also effectively release the heat between the battery module 20, the acquisition wire harness 40 and the PCB data acquisition board 30 due to the fact that the pouch battery module frame assembly 10 is made of a heat-dissipating material, so that the heat dissipation performance and stability performance of the PCB data acquisition board 30 can be improved, and the structure of the battery assembly is more excellent. That is, the pouch battery module frame assembly 10 in the preferred technical solution of this embodiment can effectively improve the heat dissipation performance and stability performance of the PCB data acquisition board 30.

[0037] According to a preferred embodiment, the pouch battery module frame assembly 10 further has an acquisition wire harness mounting groove 103, as shown in Figure 1 , 2 or 4. Preferably, the acquisition wire harness mounting groove 103 is located on the upper surface of the battery module mounting portion 101 and extends to the tabs on both sides of the battery module 20. The acquisition wire harness mounting groove 103 is used to mount the acquisition wire harness 40 connected between the PCB data acquisition board 30 and the tabs on both sides of the battery module 20.

[0038] In the preferred technical solution of this embodiment, the pouch battery module frame assembly 10 further has an acquisition wire harness mounting groove 103. The acquisition wire harness mounting groove 103 is located on the upper surface of the battery module mounting portion 101 and extends to the tabs on both sides of the battery module 20. The acquisition wire harness mounting groove 103 is used to mount the acquisition wire harness 40 connected between the PCB data acquisition board 30 and the tabs on both sides of the battery module 20, which not only makes the overall structure of the pouch battery module neater, but also improves the safety performance of the module. That is, the pouch battery module frame assembly 10 in the preferred technical solution of this embodiment can effectively solve the problem that the acquisition wire harness 40 of the PCB data acquisition board 30 is exposed and there are potential safety hazards.

[0039] According to a preferred embodiment, the pouch battery module frame assembly 10 includes a first frame module 104, a second frame module 105, a third frame module 106, and a fourth frame module 107, as Figure 1 shown. Preferably, the first frame module 104, the second frame module 105, the third frame module 106, and the fourth frame module 107 are in an inverted concave shape structure, and the first frame module 104, the second frame module 105, the third frame module 106, and the fourth frame module 107 are connected in sequence to form a battery module installation portion 101. More preferably, the first frame module 104, the second frame module 105, the third frame module 106, and the fourth frame module 107 are snap-connected in sequence to form a battery module installation portion 101.

[0040] The pouch battery module frame assembly 10 of the preferred technical solution of this embodiment adopts a modular design, including a plurality of sequentially connected frame modules, making the pouch battery module frame assembly 10 easy to assemble and splicing, with a simple structure and easy to implement. That is, the pouch battery module frame assembly 10 of the preferred technical solution of this embodiment solves the structural design problem of the pouch battery module with double-sided tab exits.

[0041] Preferably, the first frame module 104 and the fourth frame module 107 are located at the end positions of the pouch battery module frame assembly 10, the second frame module 105 and the third frame module 106 are located at the middle positions of the pouch battery module frame assembly 10, and the pouch battery module frame assembly 10 determines the number of the second frame module 105 and the third frame module 106 based on the size of the battery module 20, as Figure 1 or 4 shown. When the number of single cells 201 in the battery module 20 increases, the pouch battery module frame assembly 10 can be expanded only by increasing the number of the second frame module 105 and / or the third frame module 106, and the reuse performance of each frame module is improved.

[0042] Preferably, bumps 108 and notches 109 are respectively arranged on the two mutually contacting surfaces of the first frame module 104, the second frame module 105, the third frame module 106, and the fourth frame module 107, so that the first frame module 104, the second frame module 105, the third frame module 106, and the fourth frame module 107 are connected by the engagement of the bumps 108 and the notches 109, as Figure 1 、 2 or 4 shown. As Figure 1 or 2 shown, the bumps 108 and the notches 109 are located at positions close to the PCB data acquisition board installation groove 102. More preferably, the number and / or size of the bumps 108 and the notches 109 can be set based on the requirements of the installation strength.

[0043] As Figure 1As shown in the figure, a notch 109 is provided on one side of the first frame module 104 close to the second frame module 105, and a convex block 108 that fits with the notch 109 is provided on one side of the second frame module 105 close to the first frame module 104. The first frame module 104 and the second frame module 105 can be connected through the fitting of the convex block 108 and the notch 109. Similarly, the second frame module 105 and the third frame module 106 can be connected, and the third frame module 106 and the fourth frame module 107 can be connected. It can be known that a convex block 108 can also be provided on one side of the first frame module 104 close to the second frame module 105, and a notch 109 that fits with the convex block 108 can be provided on one side of the second frame module 105 close to the first frame module 104.

[0044] Preferably, a cross groove 110 is provided on the upper surfaces of the first frame module 104, the second frame module 105, the third frame module 106, and the fourth frame module 107. After the first frame module 104, the second frame module 105, the third frame module 106, and the fourth frame module 107 are connected in sequence, the horizontal part of the cross groove 110 forms a PCB data acquisition board installation groove 102; the vertical part of the cross groove 110 extends to the ears on both sides of the battery module 20 and forms a collection wire harness installation groove 103, as Figure 1 , 2 shown in Figure 4.

[0045] After the soft-pack battery module frame assembly 10 of the preferred technical solution of this embodiment is spliced and sleeved with the battery module 20, the PCB data acquisition board 30 can be placed in the PCB data acquisition board installation groove 102, which can not only support the PCB data acquisition board 30, but also improve the space utilization rate of the battery assembly. The collection wire harness 40 for collecting voltage and temperature on the PCB data acquisition board 30 is led from the PCB data acquisition board 30 to the ears on both sides of the battery module 20 through the collection wire harness installation groove 103 to collect the voltage and temperature of the single battery 201. Through the function of the collection wire harness installation groove 103, the collection wire harness 40 is not exposed, and at the same time, a certain barrier is formed between the collection wire harness 40 and the battery module 20, improving the safety of the battery assembly.

[0046] Preferably, a first card slot 111 and a second card slot 112 are respectively provided on both sides of the first frame module 104, the second frame module 105, the third frame module 106, and the fourth frame module 107. The directions of the two first card slots 111 on two adjacent frame modules are opposite, and the directions of the two second card slots 112 on two adjacent frame modules are opposite. After the first frame module 104, the second frame module 105, the third frame module 106, and the fourth frame module 107 are connected in sequence, the ears on both sides of the battery module 20 are exposed through the first card slot 111 and the second card slot 112, as Figure 1As shown in FIG. 3 or FIG. 4. Preferably, the orientations of the first card slot 111 and the second card slot 112 on the same frame module are also different. Figure 4 FIG. 5 is a schematic structural view of the soft-pack battery module frame assembly 10 sleeved on the soft-pack battery module 20. Since the directions of the positive electrode tab 202 and the negative electrode tab 203 on the single battery 201 are different, the orientations of the first card slot 111 and the second card slot 112 are different.

[0047] The soft-pack battery module frame assembly 10 of this embodiment can not only play a role in fixing and protecting the battery module 20, but also provide an installation position for the PCB data acquisition board 30, enhancing its structural stability. Moreover, the acquisition wire harness 40 connected to the two-sided electrode tabs of the PCB data acquisition board 30 and the battery module 20 can be well placed in the acquisition wire harness installation groove 103, making the entire soft-pack battery module system safer and more stable, with a neater and more beautiful appearance and an excellent structure.

[0048] Embodiment 2

[0049] This embodiment details the battery assembly of the present invention.

[0050] The battery assembly of this embodiment includes the soft-pack battery module frame assembly 10, the battery module 20, the PCB data acquisition board 30, and the acquisition wire harness 40 in any of the technical solutions in Embodiment 1, as shown in Figure 3 and 4 FIG. 6. Preferably, the battery module 20 is composed of a plurality of single batteries 201 connected in series in sequence. The soft-pack battery module frame assembly 10 is sleeved on the battery module 20, and the battery module 20 is located within the battery module installation portion 101 of the soft-pack battery module frame assembly 10. Preferably, the PCB data acquisition board 30 is installed in the PCB data acquisition board installation groove 102 of the soft-pack battery module frame assembly 10. Preferably, the acquisition wire harness 40 is connected between the PCB data acquisition board 30 and the electrode tabs on both sides of the single battery 201, and the acquisition wire harness 40 is located within the acquisition wire harness installation groove 103 of the soft-pack battery module frame assembly 10.

[0051] The battery assembly of this embodiment can also be said to be a soft-pack battery module.

[0052] The battery assembly of this embodiment includes the soft-pack battery module frame assembly 10 in any of the technical solutions in Embodiment 1, which can conveniently implement the PCB data acquisition board 30 to acquire the voltage and temperature of the single battery 201, effectively improving the acquisition method of the voltage and temperature of the double-sided electrode tabs of the soft-pack battery module.

[0053] According to a preferred embodiment, the battery module 20 includes a plurality of single cells 201. Preferably, the single cell 201 has a positive electrode tab 202 and a negative electrode tab 203 respectively located on both sides of the single cell 201. More preferably, the plurality of single cells 201 are connected in series with each other, and the positive electrode tab 202 and the negative electrode tab 203 between two adjacent single cells 201 are welded by a laser welding machine to form a positive and negative electrode tab 204, as Figure 3 shown. As Figure 3 shown, the battery module 20 composed of 6 single cells 201 after welding.

[0054] According to a preferred embodiment, after the battery module 20 is assembled, a single frame module is sleeved on the battery module 20 formed by welding one by one. Specifically, when the frame module is installed, it is necessary to make the positive electrode tab 202, the negative electrode tab 203 and the positive and negative electrode tab 204 located at the first card slot 111 and the second card slot 112 in the direction consistent with the direction of the electrode tabs of the battery module 20, so that the electrode tabs on both sides of the battery module 20 are exposed to facilitate the acquisition harness 40 to collect the voltage and temperature at the electrode tabs.

[0055] Embodiment 3

[0056] This embodiment will describe the new energy vehicle of the present invention in detail.

[0057] The new energy vehicle of this embodiment includes the battery assembly of any technical solution in Embodiment 2.

[0058] The new energy vehicle of this embodiment includes the battery assembly of any technical solution in Embodiment 2, making the electromagnetic performance of the new energy vehicle of this embodiment more excellent.

[0059] In the description of the present invention, it should be noted that unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0060] In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0061] As described above, the above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. A soft-pack battery module frame component, characterized in that It has a battery module installation part (101) and a PCB data acquisition board installation groove (102), where The soft-pack battery module frame assembly is sleeved on the battery module (20) and positions the battery module (20) within the battery module installation part (101) with the tabs on both sides of the battery module (20) exposed; The PCB data acquisition board installation groove (102) is used to install the PCB data acquisition board (30) and connect the PCB data acquisition board (30) to the tabs on both sides of the battery module (20); It includes a first frame module (104), a second frame module (105), a third frame module (106), and a fourth frame module (107). The first frame module (104), the second frame module (105), the third frame module (106), and the fourth frame module (107) are in an inverted concave shape structure, and The first frame module (104), the second frame module (105), the third frame module (106), and the fourth frame module (107) are connected in sequence to form the battery module installation part (101); The first frame module (104) and the fourth frame module (107) are located at the end positions of the soft-pack battery module frame assembly, and the second frame module (105) and the third frame module (106) are located at the middle positions of the soft-pack battery module frame assembly, and The soft-pack battery module frame assembly determines the number of the second frame module (105) and the third frame module (106) based on the size of the battery module (20); The upper surfaces of the first frame module (104), the second frame module (105), the third frame module (106), and the fourth frame module (107) are provided with cross grooves (110), and After the first frame module (104), the second frame module (105), the third frame module (106), and the fourth frame module (107) are connected in sequence, the horizontal part of the cross groove (110) forms the PCB data acquisition board installation groove (102); the vertical part of the cross groove (110) extends to the tabs on both sides of the battery module (20) and forms a collection wire harness installation groove (103).

2. The soft-pack battery module frame assembly according to claim 1, wherein The soft-pack battery module frame assembly is made of a heat-dissipating material, and The battery module installation part (101) is in an inverted concave shape structure, and the PCB data acquisition board installation groove (102) is located on the upper surface of the battery module installation part (101).

3. The soft-pack battery module frame assembly according to claim 1 or 2, characterized in that It also has a collection wire harness installation groove (103). The collection wire harness installation groove (103) is located on the upper surface of the battery module installation part (101) and extends to the tabs on both sides of the battery module (20). The collection wire harness installation groove (103) is used to install the collection wire harness (40) connected between the PCB data acquisition board (30) and the tabs on both sides of the battery module (20).

4. The soft-pack battery module frame assembly according to claim 1, characterized in that, On the two mutually contacting surfaces of the first frame module (104), the second frame module (105), the third frame module (106) and the fourth frame module (107), a bump (108) and a notch (109) are respectively arranged, so that the first frame module (104), the second frame module (105), the third frame module (106) and the fourth frame module (107) are connected by the fitting of the bump (108) and the notch (109).

5. The soft-pack battery module frame assembly according to claim 1, wherein, On the two side surfaces of the first frame module (104), the second frame module (105), the third frame module (106) and the fourth frame module (107), a first card slot (111) and a second card slot (112) are respectively arranged. The directions of the two first card slots (111) on two adjacent frame modules are opposite, the directions of the two second card slots (112) on two adjacent frame modules are opposite, and after the first frame module (104), the second frame module (105), the third frame module (106) and the fourth frame module (107) are sequentially connected, the ear tabs on both sides of the battery module (20) are exposed through the first card slot (111) and the second card slot (112).

6. A battery assembly, characterized in that, Comprising the soft-pack battery module frame assembly according to any one of claims 1 to 5, a battery module (20), a PCB data acquisition board (30) and a collection wire harness (40), wherein the battery module (20) is composed of a plurality of single cells (201) connected in series in sequence, the soft-pack battery module frame assembly is sleeved on the battery module (20), and the battery module (20) is located in the battery module installation part (101) of the soft-pack battery module frame assembly, the PCB data acquisition board (30) is installed in the PCB data acquisition board installation slot (102) of the soft-pack battery module frame assembly, the collection wire harness (40) is connected between the PCB data acquisition board (30) and the ear tabs on both sides of the single cell (201), and the collection wire harness (40) is located in the collection wire harness installation slot (103) of the soft-pack battery module frame assembly.

7. A new energy vehicle, characterized in that, Comprising the battery assembly according to claim 6.

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