Battery PACK capable of being connected in series

Abstract

The utility model discloses a battery PACK capable of being connected in series, which comprises a first battery pack, a second battery pack, a cable and a series acquisition line, a first cable socket is arranged above one end of the front surface of the first battery pack, and a second cable socket is arranged above one end of the front surface of the second battery pack. The interiors of the first cable socket and the second cable socket are connected in series through a cable; an acquisition line interface is arranged below the first cable socket and the second cable socket, and the interior of the acquisition line interface is electrically connected through a series acquisition line; a BMS used for monitoring the first battery pack and the second battery pack at the same time is arranged in the first battery pack. According to the utility model, the two battery packs are connected in series through the series acquisition line, so that the BMS arranged in the first battery pack can acquire battery information in the second battery pack. And moreover, the first battery pack and the second battery pack share one BMS, so that the cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery PACK, in particular to a battery PACK that can be connected in series. Background Technique

[0002] A battery PACK refers to a battery pack formed by combining multiple battery cells (usually lithium-ion batteries, nickel-metal hydride batteries, etc.) together in series or parallel to meet specific voltage and capacity requirements. Such battery packs are commonly used in fields such as electric vehicles, portable electronic devices, and energy storage systems.

[0003] The existing battery PACKs are made into two PACKs and used in parallel; the following deficiencies are likely to exist:

[0004] 1. With an additional set of BMS, the cost of the solution will increase.

[0005] 2. Communication cannot be carried out between the two PACKs. Content of the Utility Model

[0006] The purpose of the utility model is to provide a battery PACK that can be connected in series. The utility model enables two sets of battery packs to be connected in series through a series collection line, so that the BMS built into the first battery pack can collect the battery information in the second battery pack. Moreover, by sharing a set of BMS between the first battery pack and the second battery pack, the cost is saved; to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solutions:

[0008] A battery PACK that can be connected in series includes a first battery pack, a second battery pack, a cable, and a series collection line.

[0009] Above one end of the front of the first battery pack is provided with a first cable socket, above one end of the front of the second battery pack is provided with a second cable socket, and the inside of the first cable socket and the second cable socket are connected in series through a cable.

[0010] Below the first cable socket and the second cable socket are provided with collection line interfaces, and the inside of the collection line interfaces are electrically connected through a series collection line.

[0011] Inside the first battery pack is built in a BMS for simultaneously monitoring the first battery pack and the second battery pack.

[0012] Preferably, the lower ends of the front and back of the first battery pack are installed with a first mounting bracket, and threaded holes are opened at both ends of the inner surface of the first mounting bracket.

[0013] Preferably, a second mounting bracket is installed below the front and back of the second battery pack, and threaded holes are provided at both ends of the inner surface of the second mounting bracket.

[0014] Preferably, notch openings are provided at both ends of the top of the first battery pack and the second battery pack, and a groove ring is rotatably installed inside the notch openings through a rotating rod.

[0015] Preferably, heat sinks for facilitating heat dissipation are installed inside the first battery pack and the second battery pack.

[0016] Preferably, one end of the first cable socket is provided with a power interface, a positive electrode interface is provided above the other end of the front surface of the first battery pack, and a negative electrode interface is provided above the other end of the front surface of the second battery pack.

[0017] Compared with the prior art, the beneficial effects of the present utility model are:

[0018] In this utility model, the two sets of battery packs provided are connected in series through a series collection line, so that the BMS built in the first battery pack can collect the battery information in the second battery pack. Moreover, by sharing a set of BMS for the first battery pack and the second battery pack, the cost is saved. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0020] Figure 2 is a schematic diagram of the PACK electrical principle structure of the present utility model.

[0021] In the figure: 1, the first battery pack; 101, the first mounting bracket; 2, the second battery pack; 201, the second mounting bracket; 3, notch openings; 4, groove rings; 5, heat sinks; 6, the first cable socket; 7, cable wires; 8, the second cable socket; 9, collection line interfaces; 10, series collection lines; 11, positive electrode interfaces; 12, negative electrode interfaces; 13, power interfaces. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1-2 , the present utility model provides a technical solution:

[0024] A battery PACK that can be connected in series, comprising a first battery pack 1, a second battery pack 2, a cable 7, and a series collection line 10. Above one end of the front side of the first battery pack 1, there is a first cable socket 6. Above one end of the front side of the second battery pack 2, there is a second cable socket 8. And the inside of the first cable socket 6 and the second cable socket 8 are connected in series through the cable 7. Below the first cable socket 6 and the second cable socket 8, there is a collection line interface 9, and the inside of the collection line interface 9 is electrically connected through the series collection line 10. Inside the first battery pack 1, there is a BMS for simultaneously monitoring the first battery pack 1 and the second battery pack 2.

[0025] In this utility model, the two sets of battery packs are connected in series through the series collection line 10, so that the BMS built in the first battery pack 1 can collect the battery information in the second battery pack 2. Moreover, by sharing a set of BMS for the first battery pack 1 and the second battery pack 2, the cost is saved.

[0026] Furthermore, for the first battery pack 1 and the second battery pack 2, the two battery packs are connected by the cable 7 and the series collection line 10, and the BMS is installed in the first battery pack 1. The battery information of the second battery pack 2 is transmitted to the first battery pack 1 through the external series collection line 10, so that a set of BMS can monitor the two battery packs simultaneously.

[0027] At the lower ends of the front and back sides of the first battery pack 1, there are first mounting brackets 101, and threaded holes are provided at both ends of the inner surface of the first mounting brackets 101. At the lower parts of the front and back sides of the second battery pack 2, there are second mounting brackets 201, and threaded holes are provided at both ends of the inner surface of the second mounting brackets 201.

[0028] Even further, in this utility model, by providing the first mounting brackets 101 and the second mounting brackets 201, it is convenient to install the first battery pack 1 and the second battery pack 2, and it is also convenient to disassemble them.

[0029] At both ends of the top of the first battery pack 1 and the second battery pack 2, there are notch openings 3, so as to facilitate the placement of the groove rings 4 therein for convenient storage. And the groove rings 4 are rotatably installed inside the notch openings 3 through rotating rods. By setting the above components such as the notch openings 3 and the groove rings 4 in cooperation, it is convenient to take and move the battery packs.

[0030] Heat sinks 5 for facilitating heat dissipation are installed inside the first battery pack 1 and the second battery pack 2. By providing the heat sinks 5, the battery packs can dissipate heat, so as to improve the service life of the two battery packs and reduce losses.

[0031] One end of the first cable socket 6 is provided with a power interface 13, so as to facilitate its electrified connection with an external power cord; and a positive electrode interface 11 is provided above the other end of the front surface of the first battery pack 1, and a negative electrode interface 12 is provided above the other end of the front surface of the second battery pack 2. By providing the positive electrode interface 11 and the negative electrode interface 12, it is thus convenient to connect them to the positive and negative electrodes on an external power-connected device.

[0032] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A battery PACK that can be connected in series, comprising a first battery pack (1), a second battery pack (2), a cable (7), and a series collection line (10), characterized in that: Above one end of the front surface of the first battery pack (1), there is a first cable socket (6). Above one end of the front surface of the second battery pack (2), there is a second cable socket (8). And the inside of the first cable socket (6) and the second cable socket (8) are connected in series through the cable (7); Below the first cable socket (6) and the second cable socket (8), there is a collection line interface (9), and the inside of the collection line interface (9) is electrically connected through the series collection line (10); Inside the first battery pack (1), there is a BMS for simultaneously monitoring the first battery pack (1) and the second battery pack (2).

2. The battery PACK capable of being connected in series according to claim 1, wherein: At the lower ends of the front and back surfaces of the first battery pack (1), a first mounting bracket (101) is installed, and threaded holes are provided at both ends of the inner surface of the first mounting bracket (101).

3. The battery PACK capable of being connected in series according to claim 1, wherein: At the lower parts of the front and back surfaces of the second battery pack (2), a second mounting bracket (201) is installed, and threaded holes are provided at both ends of the inner surface of the second mounting bracket (201).

4. A battery PACK that can be connected in series according to claim 1, characterized in that: At both ends of the top of the first battery pack (1) and the second battery pack (2), there are notches (3), and a groove ring (4) is rotatably installed inside the notches (3) through a rotating rod.

5. The battery PACK capable of being connected in series according to claim 1, wherein: Heat sinks (5) for facilitating heat dissipation are installed inside the first battery pack (1) and the second battery pack (2).

6. The battery PACK that can be connected in series according to claim 1, wherein: One end of the first cable socket (6) is provided with a power interface (13). Above the other end of the front surface of the first battery pack (1), there is a positive electrode interface (11). Above the other end of the front surface of the second battery pack (2), there is a negative electrode interface (12).

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