CN218586273U

CN218586273U - Battery pack

Info

Publication number: CN218586273U
Application number: CN202222015346.1U
Authority: CN
Inventors: 朱乃靖; 颜楚舒; 何绍彬
Original assignee: Zhongshan Pnas Energy Technology Co ltd
Current assignee: Zhongshan Pnas Energy Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2023-03-07
Anticipated expiration: 2032-08-01

Abstract

The utility model discloses a battery pack, it includes: the battery comprises a first electrode, a second electrode, a plurality of battery cells, an electric connection structure and a charging connector; the plurality of battery cells are electrically connected through the electric connection structure, the first electrode is electrically connected with the electric connection structure or one of the plurality of battery cells, and the second electrode is electrically connected with the electric connection structure or the other of the plurality of battery cells; the charging connector is electrically connected with the battery cell and can charge the battery cell. Because the shell connects each battery cell, the problem of dropping or losing of a single battery cell can not occur in the process of taking and placing the battery. And the installation effect of all the battery cores can be realized by single installation, so that the installation process of the battery assembly can be more efficient and convenient.

Description

Battery pack

Technical Field

The utility model relates to a battery field, in particular to battery pack.

Background

As is well known, in general, a dry battery is used as an energy source to supply power to a remote controller of an electronic product, a toy, and other common products. Generally, a product such as a remote controller of an electronic product needs to be supplied with power by using at least two batteries. However, the dry battery is a disposable battery, which cannot be charged for recycling, and after the dry battery is used up, the user can discard the dry battery at will, which causes great environmental pollution to the ecological environment, and the installation process of a plurality of dry batteries also causes the use of the battery to be inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a battery pack can use more conveniently.

According to the utility model discloses a battery pack of first aspect embodiment includes: the battery comprises a first electrode, a second electrode, a plurality of battery cells, an electric connection structure and a charging connector; the plurality of battery cells are electrically connected through the electric connection structure, the first electrode is electrically connected with the electric connection structure or one of the plurality of battery cells, and the second electrode is electrically connected with the electric connection structure or the other of the plurality of battery cells; the charging connector is electrically connected with the battery cell and can charge the battery cell.

According to the utility model discloses battery pack has following beneficial effect at least: the battery cores electrically connected through the electric connection structure can directly and effectively replace a conventional dry battery, and the electric connection effect with an external part is realized through the first electrode and the second electrode. Therefore, in the occasion of needing to install the battery, the battery component can be directly installed in the battery compartment, and the first electrode and the second electrode are electrically connected.

Because the shell connects each battery cell, the problem of dropping or losing of a single battery cell can not occur in the process of taking and placing the battery. And the installation effect that all the battery cores can be installed at a single time can be achieved, so that the installation process of the battery assembly can be more efficient and convenient.

The charging connector enables the battery pack to have a function of charging for reuse, so that repeated purchase is not needed, the durability and the value of the product are effectively improved, and the product has higher competitiveness.

According to some embodiments of the utility model, the electric connection structure includes circuit board and a plurality of conducting strip, be provided with positive plate portion and negative pole portion on the circuit board, each the positive pole of electricity core all passes through the conducting strip with the positive plate portion electricity is connected, each the negative pole of electricity core all passes through the conducting strip with the negative pole portion electricity is connected.

According to some embodiments of the utility model, the electric connection structure includes the mounting bracket, the circuit board install in the mounting bracket, the conducting strip quilt the mounting bracket reaches the electricity core presss from both sides tightly fixedly.

According to the utility model discloses a some embodiments, the mounting bracket is provided with the fixed column, be provided with the via hole on the circuit board, the via hole with the fixed column is connected.

According to the utility model discloses a some embodiments, be provided with spacing knot on the mounting bracket, the circuit board install in the inner wall of mounting bracket reaches between the spacing knot.

According to some embodiments of the invention, the second electrode has a connection portion, the mounting frame is provided with a through opening, and the connection portion passes through the through opening and is connected with the circuit board; the mounting bracket is connected with a fixing part, the fixing part is matched with the mounting bracket to clamp the second electrode, and the mounting bracket and the fixing part are insulating parts.

According to some embodiments of the utility model, be provided with the mount on the mounting bracket, the mount with the connection can be dismantled to the mounting bracket, the circuit board quilt the mount seal in the mounting bracket.

According to some embodiments of the utility model, the charging connector including set up in the module and the joint that charges of circuit board, the joint that charges passes through the module that charges with the conducting strip electricity is connected.

According to some embodiments of the utility model, the periphery cladding of electric connection structure has the protection film, and first electrode is with a plurality of the anodal electricity of one of them of electricity core is connected and is passed the protection film, electricity core is connected with insulating the pad, insulating the pad be located the inner wall of protection film with between the first electrode.

According to the utility model discloses a some embodiments, electric core is the cylindrical lithium cell that can charge and discharge.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a battery module according to an embodiment of the present invention;

FIG. 2 is a schematic view of the bottom of the battery assembly shown in FIG. 1;

FIG. 3 is a schematic view of the interior of the battery assembly shown in FIG. 1;

FIG. 4 is an exploded schematic view of the battery assembly shown in FIG. 1;

fig. 5 is a schematic view of an electrical connection structure of the battery module shown in fig. 1;

fig. 6 is a schematic view of a mounting bracket of the battery module shown in fig. 1.

Reference numerals: a protective film 100; a fixing member 130; a first electrode 200; a charging connector 300; a charging connector 350; a second electrode 400; a connecting portion 450; a battery cell 500; an electrical connection structure 600; a circuit board 610; a positive electrode portion 630; the negative electrode portion 640; a fixing frame 650; a conductive sheet 700; a mounting frame 800; an opening 830; a limit buckle 850; a fixed post 870; an insulating pad 900;

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, a battery assembly includes: a first electrode 200, a second electrode 400, a plurality of cells 500, an electrical connection structure 600, and a charging connector 300; the plurality of battery cells 500 are electrically connected by the electrical connection structure 600, the first electrode 200 is electrically connected to the electrical connection structure 600 or one of the plurality of battery cells 500, and the second electrode 400 is electrically connected to the electrical connection structure 600 or another of the plurality of battery cells 500; the charging connector 300 is electrically connected to the battery cell 500 and is capable of charging it. The respective battery cells 500 electrically connected by the electrical connection structure 600 may directly and effectively replace a conventional battery, and achieve an electrical connection effect with external components through the first electrode 200 and the second electrode 400. Therefore, in the case where the battery needs to be installed, the battery assembly may be directly installed in the battery compartment and electrically connected through the first electrode 200 and the second electrode 400. Since the housing connects the battery cells 500, the battery cells 500 do not fall off or lose during the process of taking and placing the battery. And the installation effect of all the battery cores 500 can be realized by single installation, so that the installation process of the battery assembly can be more efficient and convenient. The charging connector 300 enables the battery pack to have a function of charging for reuse, so that repeated purchase is not required, thereby effectively improving the durability and value of the product, and further enabling the product to have higher competitiveness.

Specifically, the battery cell 500 uses a rechargeable lithium ion battery as an energy source for power supply, lithium ions as a clean energy source can be charged and discharged circularly and repeatedly used, so that the environmental pollution is reduced, the battery design is compatible with the size of a common dry battery, a customer does not need to redesign, and the existing product of the user can be directly replaced without new purchase.

It should be noted that, in the present embodiment, the battery cells 500 are connected in parallel, so as to achieve the purpose that the voltages of the battery cells 500 are the same, thereby supplying power more stably. Of course, each battery cell 500 may also be connected in series, and the specific implementation manner may be adjusted accordingly according to actual needs, which is not limited herein.

In certain embodiments, referring to fig. 3, the electrical connection structure 600 includes a circuit board 610 and a plurality of conductive sheets 700, the circuit board 610 is provided with a positive electrode portion 630 and a negative electrode portion 640, the positive electrode of each cell 500 is electrically connected to the positive electrode portion 630 through the conductive sheet 700, and the negative electrode of each cell 500 is electrically connected to the negative electrode portion 640 through the conductive sheet 700. The positive electrodes of the battery cells 500 are connected to each other through the conductive sheet 700 and the positive electrode portions 630, and the negative electrodes of the battery cells 500 are connected to each other through the conductive sheet 700 and the negative electrode portions 640, so that the battery cells 500 can be directly and effectively connected in parallel. The voltages of the battery cells 500 in the parallel state are in the same state, so that it is ensured that the battery cells 500 can work smoothly and stably, and the battery cells 500 are not damaged due to the voltage difference.

It is contemplated that the electrical connection structure 600 may also be formed of other structures, such as direct connection of the battery cells 500 with electrical leads. Therefore, the specific configuration of the electrical connection structure 600 is not unique, and can be adjusted accordingly according to the actual situation, and is not limited herein.

In some embodiments, referring to fig. 3, the electrical connection structure 600 includes a mounting frame 800, the circuit board 610 is mounted in the mounting frame 800, and the conductive sheet 700 is clamped and fixed by the mounting frame 800 and the battery cell 500. The mounting bracket 800 may provide a mounting site for the circuit board 610, and effectively fix the circuit board 610 and the conductive sheet 700, thereby preventing the circuit board 610 and the conductive sheet 700 from shaking and disconnecting when being driven, and further ensuring that the battery assembly can be stably used.

Specifically, the mounting bracket 800 is provided with a fixing post 870, and the circuit board 610 is provided with a via hole connected to the fixing post 870. After the via hole passes through the fixing post 870, the via hole is clamped on the periphery of the fixing post 870, so that the fixing effect between the circuit board 610 and the mounting rack 800 is directly and effectively achieved, and the advantage of quick assembly is achieved.

In some embodiments, referring to fig. 6, the mounting bracket 800 is provided with a limit buckle 850, and the circuit board 610 is mounted between an inner wall of the mounting bracket 800 and the limit buckle 850. Spacing buckle 850 can cooperate the inner wall of mounting bracket 800 to realize the spacing installation effect to circuit board 610 to prevent effectively that circuit board 610 from droing in the mounting bracket 800, and then make the work that carries on that circuit board 610 can be stable.

In some embodiments, referring to fig. 2, the second electrode 400 has a connection portion 450, the mounting frame 800 is provided with a through hole 830, and the connection portion 450 passes through the through hole 830 and is connected to the circuit board 610; the fixing member 130 is disposed on the mounting frame 800, the fixing member 130 cooperates with the mounting frame 800 to clamp the second electrode 400, and the mounting frame 800 and the fixing member 130 are insulating members. After the second motor is fixed by the insulated mounting bracket 800 and the fixing member 130, the second motor can stably work without shaking and disconnection problems with respect to the mounting bracket 800. The opening 830 can ensure that the second electrode 400 is smoothly electrically connected to the circuit board 610 in the mounting frame 800, so as to ensure that the second electrode 400 operates more stably and reliably.

In some embodiments, referring to fig. 3, the charging connector 350 is electrically connected to the circuit board 610, and the charging connector 300 includes a charging module disposed on the circuit board 610, through which the charging connector 350 is electrically connected to the conductive sheet 700. After the charging connector 350 is in point connection with an external charging device, the battery cell 500 is charged through the charging module and the conductive sheet 700 on the circuit board 610, so that the electric quantity in the battery cell 500 is increased, the battery assembly can be smoothly reused, and the product value is increased.

Specifically, charging connector 350 is a TYPE-C connector. Of course, the charging connector 350 may be formed of other structures, such as a USB connector. The specific implementation manner can be adjusted according to actual needs, and is not limited herein.

In some embodiments, referring to fig. 4, the mounting block 800 is connected with a fixing frame 650, the fixing frame 650 is detachably connected with the mounting block 800, and the circuit board 610 is enclosed in the mounting block 800 by the fixing frame 650. The fixing frame 650 may enclose the circuit board 610 in the mounting frame 800, so as to prevent the circuit board 610 from shaking and dropping off the mounting frame 800 relative to the mounting frame 800 when the mounting frame 800 is taken and placed, thereby ensuring that the circuit board 610 can smoothly and stably work.

In some embodiments, referring to fig. 5, the outer circumference of the electrical connection structure 600 is coated with the protective film 100, the first electrode 200 is electrically connected to the positive electrode of one of the plurality of battery cells 500 and penetrates through the protective film 100, the battery cells 500 are connected with the insulating pad 900, and the insulating pad 900 is located between the inner wall of the protective film 100 and the first electrode 200. The protective film 100 can protect the electrical connection structure 600 from being damaged. And the insulating pad 900 can separate the protective film 100 and the first electrode 200, thereby avoiding the risk of the first electrode 200 and the protective film 100 contacting and leaking electricity.

In certain embodiments, referring to fig. 3, the battery cell 500 is a cylindrical lithium battery capable of charging and discharging. The battery pack consisting of the battery cell 500 can replace a conventional cylindrical lithium battery pack and is directly applied to a battery compartment, so that the effect of conveniently using the battery is achieved.

Specifically, the battery cell 500 has a shape of a five-size dry battery or a seven-size dry battery.

It is contemplated that the cell 500 may be other dry cell types. The specific implementation manner can be adjusted according to actual needs, and is not limited herein.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A battery assembly, comprising:

a first electrode (200), a second electrode (400), and a plurality of cells (500);

an electrical connection structure (600), through which a plurality of the battery cells (500) are electrically connected, the first electrode (200) being electrically connected to the electrical connection structure (600) or one of the plurality of the battery cells (500), the second electrode (400) being electrically connected to the other of the electrical connection structure (600) or the plurality of the battery cells (500);

a charging connector (300), the charging connector (300) being electrically connected to the battery cell (500) and capable of charging the same.

2. The battery assembly of claim 1, wherein:

electric connection structure (600) includes circuit board (610) and a plurality of conducting strip (700), be provided with positive plate portion (630) and negative pole portion (640) on circuit board (610), each the positive pole of electricity core (500) all passes through conducting strip (700) with positive plate portion (630) electricity is connected, each the negative pole of electricity core (500) all passes through conducting strip (700) with negative pole portion (640) electricity is connected.

3. The battery assembly of claim 2, wherein:

the electric connection structure (600) comprises a mounting frame (800), the circuit board (610) is mounted in the mounting frame (800), and the conducting strip (700) is clamped and fixed by the mounting frame (800) and the battery core (500).

4. A battery assembly according to claim 3, wherein:

the mounting rack (800) is provided with fixing columns (870), the circuit board (610) is provided with through holes, and the through holes are connected with the fixing columns (870).

5. The battery assembly of claim 3, wherein:

be provided with limit buckle (850) on mounting bracket (800), circuit board (610) install in the inner wall of mounting bracket (800) and between limit buckle (850).

6. The battery assembly of claim 3, wherein:

the second electrode (400) is provided with a connecting part (450), a through hole (830) is formed in the mounting rack (800), and the connecting part (450) penetrates through the through hole (830) and is connected with the circuit board (610); the mounting rack (800) is connected with a fixing piece (130), the fixing piece (130) is matched with the mounting rack (800) to clamp the second electrode (400), and the mounting rack (800) and the fixing piece (130) are both insulating parts.

7. The battery assembly of claim 3, wherein:

the circuit board mounting structure is characterized in that a fixing frame (650) is arranged on the mounting frame (800), the fixing frame (650) is detachably connected with the mounting frame (800), and the circuit board (610) is sealed in the mounting frame (800) by the fixing frame (650).

8. The battery assembly of claim 2, wherein:

the charging connector (300) comprises a charging module and a charging connector (350), the charging module and the charging connector are arranged on the circuit board (610), and the charging connector (350) is electrically connected with the conducting strip (700) through the charging module.

9. The battery assembly of claim 1, wherein:

the periphery of the electric connection structure (600) is coated with a protective film (100), a first electrode (200) is electrically connected with the positive electrode of one of the battery cells (500) and penetrates through the protective film (100), the battery cells (500) are connected with an insulating pad (900), and the insulating pad (900) is positioned between the inner wall of the protective film (100) and the first electrode (200).

10. The battery assembly of claim 1, wherein:

the battery cell (500) is a cylindrical lithium battery capable of being charged and discharged.