Battery pack and electric equipment

Abstract

The utility model relates to the technical field of batteries, and discloses a battery pack and electric equipment, the battery pack comprises a box body, a battery pack, a slave control module, a mounting rack and a fastening belt, the box body comprises a bottom plate and a plurality of boundary beams, the plurality of boundary beams are connected to the bottom plate, the plurality of boundary beams are connected end to end and define a containing chamber together with the bottom plate, and the battery pack is located in the containing chamber in a first direction; a gap is formed between one end of the battery pack and the boundary beam to form a containing space, the slave control module is located in the containing space and fixedly connected to the side, close to the battery pack, of the boundary beam in the first direction, the mounting frame is located in the containing space and located between the slave control module and the battery pack in the first direction, and the mounting frame is connected with the slave control module; the two ends of the wire are connected with the battery pack and the slave control module respectively, and the fastening belt is located in the containing space and used for fastening the wire to the mounting frame. According to the battery pack and the electric equipment disclosed by the invention, the problem that the electric safety of the battery pack is influenced due to the abrasion of wires in the battery pack is solved or improved.

Description

Technical Field

[0001] The present application relates to the field of battery technology, and in particular to battery packs and electrical equipment. Background Art

[0002] The rapid development of electrical devices such as electric vehicles and renewable energy storage systems is driving increasing demand for high-performance battery packs. Battery packs contain multiple energy sources that serve as the energy sources for these devices, and optimizing their design and manufacturing is crucial to improving overall performance.

[0003] The battery pack is connected to the power module through wires. However, after the battery pack is installed on the power-consuming equipment, the power-consuming equipment will vibrate when working, causing the wires to rub against the surrounding structures. As the power-consuming equipment works for a longer time, the insulating material on the surface of the wires wears away, causing the conductor inside the wires to be exposed, affecting the safe use of the battery pack. Utility Model Content

[0004] In view of this, the present application provides a battery pack and an electrical device to solve or improve the problem of wear of the internal wires of the battery pack, which affects the safe use of the battery pack.

[0005] In a first aspect, the present application provides a battery pack having a first direction, including:

[0006] The box body includes a bottom plate and a plurality of side beams, the plurality of side beams are connected to the bottom plate, and the plurality of side beams are connected end to end and enclose a receiving chamber together with the bottom plate;

[0007] The battery pack is located in the accommodation chamber, and in the first direction, there is a gap between one end of the battery pack and the side beam to form an accommodation space;

[0008] A slave control module is located in the accommodation space and is fixedly connected to a side of the side beam close to the battery pack along the first direction;

[0009] A mounting frame is located in the accommodation space, and along the first direction, the mounting frame is located between the slave control module and the battery pack, and the mounting frame is connected to the slave control module;

[0010] A wire, two ends of which are electrically connected to the battery pack and the slave control module respectively;

[0011] The fastening belt is located in the accommodating space and is used to fasten the wires to the mounting frame.

[0012] Beneficial effects: The battery pack is installed in the containing chamber to provide power for the electrical equipment. The containing space is formed between the battery pack and the edge beam, and the slave control module is installed in the containing space. The slave control module realizes signal transmission through the wires. The mounting frame is fixed on the slave control module, and the fastening belt fastens the wires on the mounting frame. When the box body vibrates, the relative friction between the wires and the surrounding structure is prevented, the insulation material on the surface of the wires is prevented from being worn, the conductors inside the wires are prevented from being exposed, and the electrical safety of the battery pack is improved.

[0013] In an alternative embodiment, the mounting frame includes a first plate body, a plurality of connecting rods, and a second plate body. The plate faces of the first plate body and the second plate body are opposite and are arranged in a first direction. The connecting rods are connected to the first plate body and the second plate body at both ends in the first direction, and the plurality of connecting rods are arranged in a circumferential direction of the first plate body. Adjacent two connecting rods and the first plate body and the second plate body form a connecting channel. The first plate body is connected to the slave control module. The fastening belt fastens the wires to the end of the second plate body away from the slave control module in the first direction.

[0014] In an alternative embodiment, the slave control module is provided with a plurality of control terminals, and the wires are provided with a plurality of wires. The plurality of wires are connected to the plurality of control terminals one by one. The plurality of wires are fastened to the end of the second plate body away from the slave control module in the first direction by the fastening belt.

[0015] In an alternative embodiment, the battery pack also has a second direction intersecting the first direction.

[0016] A plurality of slave control modules are arranged in the second direction. A protective tube is provided on the wire between two adjacent slave control modules, and the protective tube extends in the first direction.

[0017] In an alternative embodiment, the protective tube includes a first pipe and a second pipe connected by inserting in the first direction. The first pipe is provided with a first hole at an end away from the second pipe in the first direction. The second pipe is provided with a second hole at an end away from the first pipe in the first direction. The first pipe and the second pipe are arranged between the two adjacent slave control modules.

[0018] In an alternative embodiment, the protective tube further includes a first connecting pipe and a second connecting pipe arranged opposite in the first direction. The first connecting pipe is connected to the first pipe corresponding to the first hole. The second connecting pipe is connected to the second pipe corresponding to the second hole. The wire penetrates the first connecting pipe and the second connecting pipe.

[0019] In an alternative embodiment, the material of the protective tube is an elastic material.

[0020] In an alternative embodiment, in the first direction, the part of the wire away from the first hole is located between the slave control module and the battery pack, and the part of the wire away from the second hole is located between the slave control module and the edge beam.

[0021] In an alternative embodiment, a plurality of connecting holes are provided on the first plate body, a plurality of fixing holes are provided on the slave module corresponding to the plurality of connecting holes, and the connecting member penetrates the connecting holes and the fixing holes to fix the first plate body on the slave module.

[0022] In a second aspect, the application further provides a power-using device comprising the battery pack.

[0023] The power-using device provided by the application comprises the battery pack provided by the application, and therefore has all the advantages of the battery pack. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the description of the embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort.

[0025] Figure 1 FIG. 1 is a structural schematic diagram of a battery pack according to an embodiment of the present application;

[0026] Figure 2 FIG. 2 is a structural schematic diagram of the inside of a battery pack according to an embodiment of the present application;

[0027] Figure 3 FIG. 3 is a structural schematic diagram of a battery pack without a cover body and a battery pack according to an embodiment of the present application;

[0028] Figure 4 FIG. 4 is a partial enlarged schematic diagram of A in FIG. 3; Figure 3

[0029] Figure 5 FIG. 7 is an installation schematic diagram of a mounting bracket and a fastening belt in a battery pack according to an embodiment of the present application;

[0030] Figure 6 FIG. 8 is a structural schematic diagram of a mounting bracket in a battery pack according to an embodiment of the present application;

[0031] Figure 7 FIG. 9 is a structural schematic diagram of a protective tube in a battery pack according to an embodiment of the present application;

[0032] Figure 8 FIG. 10 is a sectional view of FIG. 9. Figure 7

[0033] Legend of reference signs:

[0034] ​​1, box; 101, bottom plate; 102, edge beam; 103, containing chamber; 104, containing space; 105, cover; 2, slave module; 201, control end; 3, mounting rack; 301, first plate body; 302, connecting rod; 303, second plate body; 4, fastening belt; 5, wire; 6, protection tube; 601, first pipe fitting; 602, second pipe fitting; 7, first connecting pipe; 8, second connecting pipe; 9, battery pack; 10, connecting hole; 11, connecting channel; 12, first hole; 13, second hole; X, first direction; Y, second direction; Z, third direction. DETAILED DESCRIPTION

[0035] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0036] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0037] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] In the present application, unless specifically and explicitly defined otherwise, a first feature is "on" or "under" a second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "over" the second feature includes that the first feature is directly above and obliquely above the second feature, or only means that the first feature is higher in horizontal height than the second feature. The first feature "under", "below" and "underneath" the second feature includes that the first feature is directly above and obliquely above the second feature, or only means that the first feature is lower in horizontal height than the second feature.

[0039] The battery pack connects the power consumption module through the wire inside the battery pack, but after the battery pack is installed on the power consumption device, vibration occurs when the power consumption device works, so that the wire rubs with the surrounding structure, and as the working time of the power consumption device increases, the insulation material on the surface of the wire is worn, causing the conductor inside the wire to be exposed, affecting the transmission of current. In order to solve or improve the problem that the wire inside the battery pack is worn and affects the safe use of the battery pack, the battery pack and the power consumption device are provided in the embodiments of the present application.

[0040] The embodiments of the present application will be described below in conjunction with Figures 1 to 8

[0041] According to the embodiments of the present application, in one aspect, a battery pack is provided, comprising a box body 1, a battery pack 9, a slave module 2, a mounting bracket 3 and a fastening belt 4, as shown in Figure 1 The battery pack has a first direction X.

[0042] Specifically, as shown in Figure 2 The box body 1 includes a bottom plate 101 and a plurality of edge beams 102, the plurality of edge beams 102 are connected to the bottom plate 101, the plurality of edge beams 102 are connected end to end and together with the bottom plate 101 to enclose a containing chamber 103, the battery pack 9 is located in the containing chamber 103, in the first direction X, there is a gap between one end of the battery pack 9 and the edge beam 102 to form a containing space 104, the slave module 2 is located in the containing space 104, along the first direction X, the slave module 2 is fixedly connected to the edge beam 102 close to the battery pack 9, the mounting bracket 3 is located in the containing space 104, along the first direction X, the mounting bracket 3 is located between the slave module 2 and the battery pack 9, and the mounting bracket 3 is connected to the slave module 2, the wire 5 has two ends connected to the battery pack 9 and the slave module 2 respectively, the fastening belt 4 is located in the containing space 104, and the fastening belt 4 is used to fasten the wire 5 to the mounting bracket 3.

[0043] As shown in Figures 2 to 3 ​As shown, the battery pack 9 is installed in the accommodating chamber 103 to provide power for the electrical equipment. The accommodating space 104 is formed between the battery pack 9 and the edge beam 102, and the slave module 2 is installed in the accommodating space 104 and transmits signals through the wire 5. The mounting rack 3 is fixed on the slave module 2, and the fastening belt 4 fastens the wire 5 on the mounting rack 3, so that the wire 5 can be prevented from rubbing against the surrounding structure when the box 1 vibrates, the insulation material on the surface of the wire 5 is prevented from being abraded, the conductor inside the wire 5 is prevented from being exposed, and the electrical safety of the battery pack is improved.

[0044] In one embodiment, as shown in Figures 4 to 6 The mounting rack 3 includes a first plate body 301, a plurality of connecting rods 302, and a second plate body 303. The plate faces of the first plate body 301 and the second plate body 303 are opposite and are arranged at intervals along the first direction X. The connecting rods 302 are connected to the first plate body 301 and the second plate body 303 at both ends along the first direction X, respectively. The connecting rods 302 are arranged at intervals along the circumference of the first plate body 301. Adjacent two connecting rods 302 and the first plate body 301 and the second plate body 303 form a connecting channel 11. The first plate body 301 is connected to the slave module 2. The fastening belt 4 fastens the wire 5 at one end of the second plate body 303 away from the slave module 2 along the first direction X through the connecting channel 11.

[0045] The first plate body 301 is connected to the outer wall of the slave module 2. The second plate body 303 is opposite to and arranged at intervals with the first plate body 301. The second plate body 303 and the first plate body 301 are connected through the plurality of connecting rods 302. The connecting rods 302 are arranged at intervals along the circumference of the first plate body 301. Adjacent two connecting rods 302 and the first plate body 301 and the second plate body 303 form a connecting channel 11. One end of the fastening belt 4 passes through the connecting channel 11. The two ends of the fastening belt 4 are connected to form a ring structure. The wire 5 is sleeved in the fastening belt 4. The wire 5 is fixed at one end of the second plate body 303 away from the slave module 2 along the first direction X by tightening the fastening belt 4, so that the wire 5 can be prevented from rubbing against the surrounding structure when the box 1 vibrates.

[0046] The first plate body 301 and the second plate body 303 are connected through the plurality of connecting rods 302, so that the overall mechanical strength of the mounting rack 3 is large. One side face of the first plate body 301 is connected to the slave module 2, so that the connection area is large and the connection is more firm.

[0047] In one embodiment, as shown in Figure 4 The slave module 2 is provided with a plurality of control terminals 201. The wire 5 is provided with a plurality of wires. The plurality of wires 5 are connected to the plurality of control terminals 201 one by one. The plurality of wires 5 are fastened at one end of the second plate body 303 away from the slave module 2 along the first direction X by the fastening belt 4.

[0048] The wires 5 are located on both sides of the slave control module 2 along the first direction X, which facilitates the installation of the wires 5. The control terminal 201 is provided at one end of the slave control module 2 along the third direction Z, which facilitates the connection between the wires 5 and the control terminal 201.

[0049] In one embodiment, Figure 4 As shown, the battery pack also has a second direction Y intersecting with the first direction X; multiple slave control modules 2 are provided, and the multiple slave control modules 2 are arranged at intervals along the second direction Y. A protective tube 6 is provided on the wire 5 located between two adjacent slave control modules 2, and the protective tube 6 extends along the first direction X.

[0050] like Figure 4 and Figure 7 As shown, when the wire 5 passes through the gap between the two slave control modules 2, it is easy to rub against the slave control modules 2. Long-term use will damage the insulation material of the wire 5. A protective tube 6 is placed on the wire 5 and located between the two slave control modules 2 to prevent the wire 5 from rubbing against the slave control modules 2.

[0051] In one embodiment, Figures 7 and 8 As shown, the protective tube 6 includes a first tube 601 and a second tube 602 plug-connected along the first direction X. The first tube 601 is provided with a first hole 12 at one end away from the second tube 602 along the first direction X, and the second tube 602 is provided with a second hole 13 at one end away from the first tube 601 along the first direction X. The first tube 601 and the second tube 602 are arranged between two adjacent slave control modules 2.

[0052] The wire 5 passes through the first hole 12 of the first pipe fitting 601 and then comes out from the second hole 13 of the second pipe fitting 602. Then the first pipe fitting 601 and the second pipe fitting 602 are plugged into each other. The first pipe fitting 601 and the second pipe fitting 602 are arranged between the two slave control modules 2. The diameters of the first pipe fitting 601 and the second pipe fitting 602 are greater than the distance between the two adjacent slave control modules 2. Therefore, the first pipe fitting 601 and the second pipe fitting 602 can be clamped between the two slave control modules 2, which is convenient for installation and disassembly.

[0053] The first pipe 601 and the second pipe 602 are plug-connected to facilitate inspection and replacement of the wire 5 .

[0054] In one embodiment, Figure 7 As shown, the protective tube 6 also includes a first connecting tube 7 and a second connecting tube 8 arranged opposite to each other along the first direction X. The first connecting tube 7 is connected to the first pipe 601 corresponding to the first hole 12, and the second connecting tube 8 is connected to the second pipe 602 corresponding to the second hole 13. The wire 5 passes through the first connecting tube 7 and the second connecting tube 8.

[0055] Specifically, the diameters of the first connecting tube 7 and the second connecting tube 8 match the diameter of the wire 5, and the wire 5 can slide and rub against the inner walls of the first connecting tube 7 and the second connecting tube 8, which has a damping effect on the wire 5, prevents the wire 5 from falling off, and has a positioning effect on the wire 5.

[0056] In one embodiment, the protective tube 6 is made of an elastic material. The protective tube 6 is elastic, so it can be sandwiched between two slave control modules 2 for easy installation and removal.

[0057] Specifically, the material of the protection tube 6 can be elastic rubber or elastic plastic.

[0058] In one embodiment, Figure 4 As shown, along the first direction X, the portion of the wire 5 away from the first hole 12 is located between the slave control module 2 and the battery pack 9 , and the portion of the wire 5 away from the second hole 13 is located between the slave control module 2 and the side beam 102 .

[0059] In one embodiment, Figures 5 and 6 As shown, the first plate 301 is provided with a plurality of connection holes 10 , and the slave control module 2 is provided with a plurality of fixing holes corresponding to the plurality of connection holes 10 . The connecting members pass through the connection holes 10 and the fixing holes to fix the first plate 301 on the slave control module 2 .

[0060] Specifically, the fixing hole is a threaded hole, and the connecting piece is a bolt. The bolt passes through the connecting hole 10 and the fixing hole in sequence to fix the first plate body 301 on the slave control module 2, so that the connection between the first plate body 301 and the slave control module 2 is more firm and convenient for installation and disassembly.

[0061] Specifically, the fastening belt 4 is a cable tie, and the cable tie is used to fix the wire 5 on the second plate 303, which is convenient, quick, and low-cost.

[0062] Specifically, the battery pack further has a third direction Z intersecting with the first direction X and the second direction Y in pairs. For example, the three directions are perpendicular to each other. Figure 2 As shown, the battery pack 9 includes a plurality of battery cells, which form a plurality of columns in a first direction X and a plurality of rows in a second direction Y, wherein two adjacent columns of battery cells are interconnected, and in a single column of battery cells, two adjacent battery cells are interconnected, and one end of the battery pack 9 in a third direction Z is connected to the bottom plate 101.

[0063] Specifically, it also includes a cover 105, which is connected to the box body 1, and the cover 105 covers the accommodating chamber 103, seals the accommodating cavity, protects the battery pack 9, and prevents external impurities and moisture from affecting the battery pack 9.

[0064] Optionally, the first direction X and the second direction Y are a length and a width direction of the battery pack respectively, and the third direction Z is a thickness direction of the battery pack.

[0065] The application also provides a use electric device.

[0066] Specifically, the use electric device comprises the battery pack.

[0067] It should be noted that the use electric device comprises the battery pack provided in the application, and therefore comprises all advantages of the battery pack, which will not be described herein.

[0068] In addition, it should be noted that the use electric device includes but is not limited to electric vehicles and renewable energy storage systems.

[0069] Although the embodiments of the application are described in conjunction with the drawings, various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the application, and such modifications and changes fall within the scope defined by the appended claims.

Claims

1. A battery pack having a first direction (X), characterized in that: include: A box body (1), the box body (1) comprising a bottom plate (101) and a plurality of side beams (102), the plurality of side beams (102) being connected to the bottom plate (101), the plurality of side beams (102) being connected end to end and enclosing a receiving chamber (103) together with the bottom plate (101); A battery pack (9) is located in the accommodation chamber (103), and in the first direction (X), a gap is provided between one end of the battery pack (9) and the side beam (102) to form an accommodation space (104); A slave control module (2) is located in the accommodating space (104), and along the first direction (X), the slave control module (2) is fixedly connected to a side of the side beam (102) close to the battery pack (9); A mounting frame (3) is located in the accommodating space (104), and along the first direction (X), the mounting frame (3) is located between the slave control module (2) and the battery pack (9), and the mounting frame (3) is connected to the slave control module (2); A wire (5), two ends of which are electrically connected to the battery pack (9) and the slave control module (2) respectively; A fastening belt (4) is located in the accommodating space (104), and the fastening belt (4) is used to fasten the wire (5) to the mounting frame (3).

2. The battery pack according to claim 1, wherein: The mounting frame (3) includes a first plate body (301), a plurality of connecting rods (302) and a second plate body (303), the plate surfaces of the first plate body (301) and the second plate body (303) are opposite to each other and are arranged at intervals along the first direction (X), the connecting rods (302) are connected to the first plate body (301) and the second plate body (303) at both ends along the first direction (X), and the plurality of connecting rods (302) are arranged at intervals along the circumference of the first plate body (301), and two adjacent connecting rods (302) and the first plate body (301) and the second plate body (303) form a connecting channel (11), the first plate body (301) is connected to the slave control module (2), and the fastening belt (4) passes through the connecting channel (11) to fasten the wire (5) to one end of the second plate body (303) away from the slave control module (2) along the first direction (X).

3. The battery pack according to claim 2, wherein: The slave control module (2) is provided with a plurality of control terminals (201), a plurality of wires (5) are provided, the plurality of wires (5) are connected to the plurality of control terminals (201) in a one-to-one correspondence, and the plurality of wires (5) are fastened to one end of the second plate (303) away from the slave control module (2) along the first direction (X) via the fastening belt (4).

4. The battery pack according to claim 3, wherein: The battery pack further has a second direction (Y) intersecting the first direction (X); A plurality of slave control modules (2) are provided, and the plurality of slave control modules (2) are spaced apart along the second direction (Y). A protective tube (6) is sleeved on the wire (5) located between two adjacent slave control modules (2), and the protective tube (6) extends along the first direction (X).

5. The battery pack according to claim 4, characterized in that: The protective tube (6) comprises a first pipe fitting (601) and a second pipe fitting (602) plug-connected along the first direction (X); a first hole (12) is provided at one end of the first pipe fitting (601) away from the second pipe fitting (602) along the first direction (X); a second hole (13) is provided at one end of the second pipe fitting (602) away from the first pipe fitting (601) along the first direction (X); and the first pipe fitting (601) and the second pipe fitting (602) are arranged between two adjacent slave control modules (2).

6. The battery pack according to claim 5, characterized in that: The protective tube (6) further comprises a first connecting tube (7) and a second connecting tube (8) arranged opposite to each other along the first direction (X); the first connecting tube (7) is connected to the first pipe member (601) corresponding to the first hole (12); the second connecting tube (8) is connected to the second pipe member (602) corresponding to the second hole (13); and the conductive wire (5) passes through the first connecting tube (7) and the second connecting tube (8).

7. The battery pack according to any one of claims 4 to 6, characterized in that: The material of the protection tube (6) is elastic material.

8. The battery pack according to claim 6, wherein: Along the first direction (X), the portion of the wire (5) away from the first hole (12) is located between the slave control module (2) and the battery pack (9), and the portion of the wire (5) away from the second hole (13) is located between the slave control module (2) and the side beam (102).

9. The battery pack according to claim 2, wherein: The first plate body (301) is provided with a plurality of connection holes (10), the slave control module (2) is provided with a plurality of fixing holes corresponding to the plurality of connection holes (10), and a connecting member passes through the connection holes (10) and the fixing holes to fix the first plate body (301) on the slave control module (2).

10. An electrical device, characterized in that: Comprising the battery pack according to any one of claims 1 to 9.

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