CN219937242U

CN219937242U - Battery structure

Info

Publication number: CN219937242U
Application number: CN202321015890.4U
Authority: CN
Inventors: 刘志明; 边映枚; 边建新; 蒲实
Original assignee: Guangdong Pow Tech New Power Co ltd
Current assignee: Guangdong Pow Tech New Power Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-10-31
Anticipated expiration: 2033-04-28

Abstract

The utility model relates to the technical field of power supplies and discloses a battery structure which comprises an upper bracket, a lower bracket, a supporting rod and a group of battery cores; the support rod is abutted between the upper support and the lower support, the group of electric cores comprises N electric cores, N1 electric cores in the group of electric cores form a first electric core assembly, N2 electric cores in the group of electric cores form a second electric core assembly, the output end of the first electric core assembly is used for being electrically connected with the charging end of the mobile device, and the output end of the second electric core assembly is used for being electrically connected with the charging end of the Bluetooth sound box; the utility model mainly solves the technical problem that the battery structure in the prior art can not charge the mobile device and the Bluetooth sound box at the same time.

Description

Battery structure

Technical Field

The utility model relates to the technical field of power supplies, in particular to a battery structure.

Background

The treasured that charges is a collection electricity storage, steps up, charge management in portable equipment of an organic whole, and treasured that charges can directly charge for mobile device and self have the electricity storage unit. With popularization of electronic devices such as smart phones and tablet computers, charger devices are increasingly being widely used. However, the existing charger baby has a single function, and can not charge other equipment terminals, such as a Bluetooth sound box and the like, while charging the mobile equipment. Therefore, how to invent a battery structure, two sets of power supply systems are integrated into the same battery structure, and the function of simultaneously charging mobile equipment and a Bluetooth sound box becomes a problem to be solved urgently.

Disclosure of Invention

The embodiment of the utility model discloses a battery structure which is used for solving the technical problem that the battery structure in the prior art cannot charge mobile equipment and a Bluetooth sound box at the same time.

To achieve the purpose, the utility model adopts the following technical scheme:

a battery structure, comprising:

the support rod is abutted between the upper support and the lower support; the battery cell comprises an upper bracket, a lower bracket, a support rod, a plurality of battery cells and a power supply, wherein the support rod is arranged between the upper bracket and the lower bracket;

the battery pack comprises a group of battery cells, wherein N1 battery cells form a first battery cell assembly, N2 battery cells form a second battery cell assembly, the output end of the first battery cell assembly is used for being electrically connected with the charging end of the mobile device, and the output end of the second battery cell assembly is used for being electrically connected with the charging end of the Bluetooth sound box.

In one example, the BMS module includes a main BMS board fixedly installed at a side of the upper rack away from the lower rack, and first and second BMS boards fixedly installed at a side of the lower rack away from the upper rack; the main BMS board is electrically connected with one end of the first battery cell assembly and one end of the second battery cell assembly; the first BMS board is electrically connected with the other end of the first battery cell assembly; the second BMS board is electrically connected with the other end of the second battery cell assembly.

In one example, the first cell assembly includes four first, second, third and fourth cells connected in series with each other; the second cell assembly includes a fifth cell.

In one example, the battery pack further comprises a conductive assembly, wherein the conductive assembly comprises a first conductive member connected with the positive electrode of the first battery cell and the negative electrode of the second battery cell, a second conductive member connected with the positive electrode of the third battery cell and the negative electrode of the fourth battery cell, a third conductive member connected with the negative electrode of the first battery cell, a fourth conductive member connected with the positive electrode of the second battery cell and the negative electrode of the third battery cell, a fifth conductive member connected with the positive electrode of the fourth conductive member, a sixth conductive member connected with the positive electrode of the fifth battery cell and a seventh conductive member connected with the negative electrode of the fifth battery cell; the first conductive piece, the second conductive piece, the third conductive piece and the sixth conductive piece are electrically connected with the main BMS board, the third conductive piece, the fourth conductive piece and the fifth conductive piece are electrically connected with the first BMS board, and the seventh conductive piece is electrically connected with the second BMS board.

In one example, the main BMS board is provided with a light emitting part corresponding to the installation position of the first cell assembly and the second cell assembly, a lens is arranged between the light emitting part and the cell, the lens penetrates through the upper bracket, one end, away from the light emitting part, of the lens is abutted to a transparent sleeve, and the transparent sleeve is sleeved on the cell.

In one example, the lens includes a fixed portion and a light-transmitting portion connected to the fixed portion; the fixed part is fixedly connected with the upper bracket, and the light-transmitting part penetrates through the upper bracket and is abutted with one end, close to the upper bracket, of the transparent sleeve.

In one example, a base is arranged on one side of the first BMS plate away from the lower bracket, the base is fixedly mounted with the lower bracket, and a containing cavity for containing the first BMS plate and the second BMS plate is formed.

Compared with the prior art, the battery structure provided by the utility model has at least the following beneficial effects:

a group of electric cores are arranged between the upper bracket and the lower bracket, and are divided into a first electric core component for charging mobile equipment and a second electric core component for charging a Bluetooth sound box, so that the function of independent power supply is realized; and two battery cell components are arranged in the upper bracket and the lower bracket around the supporting rod, so that the structure is compact, the assembly of production personnel can be facilitated, and the operation efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is an exploded view of a battery structure of the present utility model;

fig. 2 is an assembled schematic view of a main BMS plate, a lens, and an upper support of the battery structure of the present utility model;

FIG. 3 is a schematic diagram illustrating the assembly of a first cell assembly and a second cell assembly of the battery structure of the present utility model;

fig. 4 is a bottom view of a first cell assembly and a second cell assembly of the battery structure of the present utility model;

fig. 5 is a bottom view of a main BMS plate of the battery structure of the present utility model;

fig. 6 is a schematic perspective view of a lower bracket of the battery structure of the present utility model.

Illustration of:

1. a lower bracket; 11. a second through hole; 2. an upper bracket; 21. a first through hole; 22. a first positioning column; 23. a second positioning column; 24. a support part; 241. a third threaded hole; 3. a battery cell; 31. a first cell; 32. a second cell; 33. a third cell; 34. a fourth cell; 35. a fifth cell; 41. a first conductive member; 42. a second conductive member; 43. a third conductive member; 44. a fourth conductive member; 45. a fifth conductive member; 46. a sixth conductive member; 47. a seventh conductive member; 51. a main BMS board; 511. a fourth through hole; 512. a fifth through hole; 52. a first BMS board; 53. a second BMS board; 6. a support rod; 71. a first fastening screw; 72. a second fastening screw; 73. a third fastening screw; 81. a light emitting member; 82. a lens; 821. a fixing part; 8211. a third through hole; 822. a light transmitting portion; 83. a transparent sleeve; 9. and (5) a base.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship based on that shown in the drawings, merely to facilitate describing the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

Referring to fig. 1 to 6, the present embodiment provides a battery structure, which includes a lower bracket 1, a set of battery cells 3, an upper bracket 2, a support rod 6 and a conductive component.

The support rod 6 is abutted between the upper support 2 and the lower support 1, the group of electric cores 3 comprises N electric cores 3, N1 electric cores 3 of the group of electric cores form a first electric core assembly, N2 electric cores 3 of the group of electric cores form a second electric core assembly, an output end (not shown in the figure) of the first electric core assembly is used for being electrically connected with a charging end of the mobile device, and an output end (not shown in the figure) of the second electric core assembly is used for being electrically connected with a charging end of the Bluetooth sound box. Specifically, the upper bracket 2 and the lower bracket 1 are provided with cylindrical mounting holes matched with the battery cell 3 in size, the battery cell 3 is clamped into the mounting holes, and the battery cell is mounted between the upper bracket 2 and the lower bracket 1 in a limiting manner. It should be explained that N1 and N2 are integers other than zero; the mounting directions of the positive electrode and the negative electrode of the battery cells 3 are not unified.

The battery structure further comprises a BMS (battery management system) module for monitoring the working states of the first battery cell assembly and the second battery cell assembly to prevent the conditions of overcharge and overdischarge; the BMS module includes a main BMS plate 51 fixedly installed at a side of the upper rack 2 remote from the lower rack 1, and first and second BMS plates 52 and 53 fixedly installed at a side of the lower rack 1 remote from the upper rack 2; the main BMS board 51 is electrically connected to one end of the first battery cell assembly and to one end of the second battery cell assembly; the first BMS board 52 is electrically connected to the other end of the first battery cell assembly; the second BMS board 53 is electrically connected to the other end of the second battery cell assembly. The first BMS board 52 is used for monitoring the charge and discharge state of the first battery cell assembly, the second BMS board 53 is used for monitoring the charge and discharge state of the second battery cell assembly, and the main BMS board 51 is used for overall control of the first BMS board 52 and the second BMS board 53. In this embodiment, the first battery cell assembly includes four first battery cells 31, second battery cells 32, third battery cells 33 and fourth battery cells 34 connected in series; the second cell assembly includes a fifth cell 35, and in other embodiments, the number of cells in each set of cell assemblies may be increased or decreased according to a predetermined voltage.

In order to fix the upper bracket 2 and the lower bracket 1, a supporting rod 6 is further disposed between the upper bracket 2 and the lower bracket 1, preferably, the supporting rod 6 is disposed at a central position of the upper bracket 2 and the lower bracket 1, and the first, second, third, fourth and fifth electric cores 31, 32, 33, 34 and 35 are disposed around the supporting rod 6, so that the battery structure is more compact. The battery structure further comprises a locking assembly for locking the upper bracket 2, the support rod 6 and the lower bracket 1. Specifically, the support rod 6 is a cylinder, and two ends of the support rod are respectively provided with a first threaded hole (not shown in the figure) and a second threaded hole (not shown in the figure); the locking assembly comprises a first through hole 21 which is arranged on the upper bracket 2 in a penetrating way at the position corresponding to the first threaded hole, and a second through hole 11 which is arranged on the lower bracket 1 in a penetrating way at the position corresponding to the second threaded hole; a first fastening screw 71 is inserted into the first through hole 21, and one end of the first fastening screw 71 passes through the first through hole 21 and is in threaded connection with the first threaded hole so as to fasten the upper bracket 2 and the support rod 6; a second fastening screw 72 is inserted into the second through hole 11, and two ends of the second fastening screw 72 pass through the second through hole 11 and are in threaded connection with the second threaded hole so as to fasten the upper bracket 2 and the support rod 6.

Referring to fig. 3 and 4, in order to achieve the electrical connection of the first and second battery cell assemblies with the BMS module, the conductive assemblies include a first conductive member 41 connecting the positive electrode of the first battery cell 31 and the negative electrode of the second battery cell 32, a second conductive member 42 connecting the positive electrode of the third battery cell 33 and the negative electrode of the fourth battery cell 34, a third conductive member 43 connecting the negative electrode of the first battery cell 31, a fourth conductive member 44 connecting the positive electrode of the second battery cell 32 and the negative electrode of the third battery cell 33, a fifth conductive member 45 connecting the positive electrode of the fourth conductive member 44, a sixth conductive member 46 connecting the positive electrode of the fifth battery cell 35, and a seventh conductive member 47 connecting the negative electrode of the fifth battery cell 35; wherein the first, second, third and sixth conductive members 41, 42, 43 and 46 are electrically connected with the main BMS plate 51, the third, fourth and fifth conductive members 43, 44 and 45 are electrically connected with the first BMS plate 52, and the seventh conductive member 47 is electrically connected with the second BMS plate 53. Preferably, the conductive member is a nickel plate.

Referring to fig. 1, 2 and 5, the battery structure of the present embodiment can also emit different lights according to the charge and discharge states of the battery cell 3. Specifically, the main BMS board 51 is provided with a light emitting part 81 corresponding to the installation position of the battery cell 3, a lens 82 is arranged between the light emitting part 81 and the battery cell 3, the lens 82 is arranged in the upper bracket 2 in a penetrating manner, one end, away from the light emitting part 81, of the lens 82 is abutted to a transparent sleeve 83, and the transparent sleeve 83 is sleeved on the battery cell 3. The first cell assembly and the second cell assembly are electrically connected with the main BMS board 51, the light emitting member 81 is driven to emit light, and the main BMS board 51 can adjust the color of the emitted light of the light emitting member 81 according to the charge and discharge state of the cell 3.

In order to fix the lens 82 to the upper frame 2, the lens 82 includes a fixing portion 821 and a light-transmitting portion 822 connected to the fixing portion 821; specifically, the fixing portion 821 is provided with a third through hole 8211, and a first positioning column 22 matched with the third through hole 8211 is provided on a surface of the upper bracket 2 away from the lower bracket 1. The light-transmitting portion 822 penetrates through the upper bracket 2 and abuts against one end of the transparent sleeve 83, which is close to the upper bracket 2. The light emitted from the light emitting member 81 is transmitted to the transparent sleeve 83 through the light transmitting portion 822 so that a user can see the light emitted from the light emitting member 81 through the transparent sleeve 83.

In order to fix the main BMS board 51 to the upper frame 2, a second positioning column 23 and a supporting part 24 are convexly provided on a surface of the upper frame 2, which is far from the lower frame 1; the position of the main BMS plate 51 corresponding to the second positioning column 23 is provided with a fourth through hole 511, and when the fourth through hole 511 is plugged with the second positioning column 23, the main BMS plate 51 is abutted to the bearing part 24. In order to lock the main BMS plate 51 to the upper bracket 2, a third threaded hole 241 is formed in the support portion 24, a fifth through hole 512 is formed in the position of the main BMS plate 51 corresponding to the third threaded hole 241, a third fastening screw 73 is inserted into the fifth through hole 512, and one end of the third fastening screw 73 is threaded through the fifth through hole 512 and the third threaded hole 241. A receiving cavity for receiving the lens 82 is formed between the main BMS board 51 and the upper frame 2.

Referring to fig. 1 and 6, a base 9 is disposed at a side of the first BMS board 52 away from the lower bracket 1, the base 9 is fixedly mounted with the lower bracket 1, and a receiving cavity for receiving the first BMS board 52 and the second BMS board 53 is provided, in this embodiment, a connecting through hole passing through the base 9, the lower bracket 1, the upper bracket 2 and the main BMS board 51 in sequence is further included, and the connecting through hole is used for internal connection of the battery structure.

The foregoing description of the preferred embodiments of the present utility model has been provided for the purpose of illustrating the general principles of the present utility model and is not to be construed as limiting the scope of the utility model in any way. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model, and other embodiments of the present utility model as will occur to those skilled in the art without the exercise of inventive faculty, are intended to be included within the scope of the present utility model.

Claims

1. The battery structure is characterized by comprising an upper bracket (2) and a lower bracket (1), wherein a supporting rod (6) is abutted between the upper bracket (2) and the lower bracket (1); the battery pack also comprises a group of battery cells (3) which are arranged between the upper bracket (2) and the lower bracket (1) around the supporting rod (6), wherein the group of battery cells (3) comprises N battery cells (3);

the battery pack comprises a group of battery cells (3), wherein N1 battery cells (3) form a first battery cell assembly, N2 battery cells (3) form a second battery cell assembly, the output end of the first battery cell assembly is used for being electrically connected with the charging end of the mobile device, and the output end of the second battery cell assembly is used for being electrically connected with the charging end of the Bluetooth sound box.

2. The battery structure according to claim 1, comprising a BMS module including a main BMS plate (51) fixedly mounted to a side of the upper rack (2) remote from the lower rack (1), and first and second BMS plates (52, 53) fixedly mounted to a side of the lower rack (1) remote from the upper rack (2); the main BMS board (51) is electrically connected with one end of the first cell assembly and one end of the second cell assembly; the first BMS board (52) is electrically connected with the other end of the first battery cell assembly; the second BMS board (53) is electrically connected with the other end of the second cell assembly.

3. The battery structure according to claim 2, wherein the first cell assembly comprises four first (31), second (32), third (33) and fourth (34) cells connected in series with each other; the second cell assembly includes a fifth cell (35).

4. The battery structure according to claim 3, further comprising a conductive assembly including a first conductive member (41) connecting the positive electrode of the first cell (31) and the negative electrode of the second cell (32), a second conductive member (42) connecting the positive electrode of the third cell (33) and the negative electrode of the fourth cell (34), a third conductive member (43) connecting the negative electrode of the first cell (31), a fourth conductive member (44) connecting the positive electrode of the second cell (32) and the negative electrode of the third cell (33), a fifth conductive member (45) connecting the positive electrode of the fourth conductive member (44), a sixth conductive member (46) connecting the positive electrode of the fifth cell (35), and a seventh conductive member (47) connecting the negative electrode of the fifth cell (35); wherein the first conductive member (41), the second conductive member (42), the third conductive member (43) and the sixth conductive member (46) are electrically connected with the main BMS plate (51), the third conductive member (43), the fourth conductive member (44) and the fifth conductive member (45) are electrically connected with the first BMS plate (52), and the seventh conductive member (47) is electrically connected with the second BMS plate (53).

5. A battery structure according to claim 3, wherein the mounting position of the main BMS board (51) corresponding to the first cell assembly and the second cell assembly is provided with a light emitting element (81), a lens (82) is arranged between the light emitting element (81) and the cell (3), the lens (82) is arranged in the upper bracket (2) in a penetrating manner, one end, away from the light emitting element (81), of the lens (82) is abutted with a transparent sleeve (83), and the transparent sleeve (83) is sleeved on the cell (3).

6. The battery structure according to claim 5, wherein the lens (82) includes a fixing portion (821) and a light-transmitting portion (822) connected to the fixing portion (821); the fixing part (821) is fixedly connected with the upper bracket (2), and the light-transmitting part (822) penetrates through the upper bracket (2) and is abutted with one end, close to the upper bracket (2), of the transparent sleeve (83).

7. The battery structure according to claim 3, wherein a base (9) is disposed at a side of the first BMS board (52) away from the lower frame (1), and the base (9) is fixedly mounted with the lower frame (1) and is provided with a receiving cavity for receiving the first BMS board (52) and the second BMS board (53).