CN116632442A - Battery modules, battery pack assemblies, vehicles and conversion bases - Google Patents

Abstract

The disclosure relates to a battery module, a battery pack assembly, a vehicle, and a conversion base for detachably connecting to the tray of the battery pack assembly. The battery module includes: a battery body; a first electrical connection structure disposed on the battery One end of the body includes a first electrical connection part and a second electrical connection part, one of which is electrically connected to the positive pole of the battery body, and the other is electrically connected to the negative pole of the battery body. The battery module can be detachably connected to the battery pack assembly of the vehicle, which can meet the needs of the vehicle. At the same time, it can also be disassembled separately as a mobile power supply to meet the power demand of outdoor electrical appliances. It does not occupy excess vehicle space and is easy to carry and use. .

Description

Battery modules, battery pack assemblies, vehicles and conversion bases

technical field

The present disclosure relates to the technical field of new energy vehicles, and in particular, relates to a battery module, a battery pack assembly, a vehicle and a conversion base.

Background technique

With the increasing use of new energy vehicles, in order to meet the needs of people for outdoor activities such as camping and stalls, for vehicles with external power supply function (V2L), by inserting the discharge gun into the charging port on the vehicle, the output 220V AC power is used for related electrical appliances. However, when the parking position is far away from the place where power is needed, it cannot be used because it cannot be pulled; for vehicles that do not have external power supply functions, an additional outdoor mobile power supply is required, but the price of outdoor mobile power supply It is expensive, needs to be charged at home and then taken out for use, and has a large volume and weight, making it inconvenient to carry and use.

Contents of the invention

The purpose of the present disclosure is to provide a battery module, a battery pack assembly, a vehicle and a conversion base. The battery module can be detachably connected to the battery pack assembly of the vehicle, which can meet the needs of the vehicle and can also be detached separately As a mobile power supply, it can meet the electricity demand of outdoor electrical appliances, does not occupy excess vehicle space, and is easy to carry and use, so as to at least solve related technical problems.

In order to achieve the above purpose, the first aspect of the present disclosure provides a battery module for detachably connected to the tray of the battery pack assembly, including:

battery body;

The first electrical connection structure is provided at one end of the battery body and includes a first electrical connection part and a second electrical connection part, one of the first electrical connection part and the second electrical connection part is connected to the battery body The positive electrode is electrically connected, and the other is electrically connected to the negative electrode of the battery body.

Optionally, the battery module further includes a first positioning structure provided on the battery body, and the first positioning structure is used for installation and positioning of the battery module.

Optionally, the first positioning structure is configured as at least one of a protrusion and a groove, and is disposed between the first electrical connection part and the second electrical connection part.

Optionally, the first electrical connection part and the second electrical connection part are configured as one of pogo pins and connection contacts.

Optionally, the power of the battery module is 0.5-1 kWh.

The second aspect of the present disclosure provides a battery pack assembly, including a tray and a plurality of battery modules, at least one of the battery modules adopts the above-mentioned battery module;

The tray includes a first battery installation position for the detachable connection of the battery module, the first battery installation position is formed with a second electrical connection structure, and the second electrical connection structure includes a A third electrical connection portion corresponding to and electrically connectable to, and a fourth electrical connection portion corresponding to and electrically connectable to the second electrical connection portion.

Optionally, the first battery installation position is further formed with a second positioning structure, and the second positioning structure can cooperate with the first positioning structure of the battery module for installation and positioning of the battery module.

Optionally, the second positioning structure is configured as at least one of a protrusion and a groove corresponding to the first positioning structure, and is provided on the third electrical connection part and the fourth electrical connection part. between electrical connections.

Optionally, the third electrical connection part and the fourth electrical connection part are configured as another one of a pogo pin and a connection contact capable of being electrically connected to the first electrical connection part and the second electrical connection part respectively. By.

According to a third aspect of the present disclosure, a vehicle is provided, and the vehicle includes the above-mentioned battery pack assembly.

According to the fourth aspect of the present disclosure, there is also provided a conversion base for the detachable connection of the battery module, including:

an inverter body including an input terminal and an output terminal and an inverter circuit connected between the input terminal and the output terminal; and

The base body includes a second battery installation position for the detachable connection of the battery module, the second battery installation position is formed with a third electrical connection structure, and the third electrical connection structure includes a first connection with the battery module. A fifth electrical connection part corresponding to and capable of being electrically connected to an electrical connection part, and a sixth electrical connection part corresponding to and capable of being electrically connected to the second electrical connection part of the battery module;

The fifth electrical connection part and the sixth electrical connection part are respectively electrically connected to the input end of the inverter body.

Optionally, the conversion base further includes a third positioning structure provided at the second battery installation position, the third positioning structure can cooperate with the first positioning structure of the battery module, and is used for the battery The installation location of the module.

Optionally, the third positioning structure is configured as at least one of a protrusion and a groove corresponding to the first positioning structure, and is provided on the fifth electrical connection part and the sixth electrical connection part. between electrical connections.

Optionally, the fifth electrical connection part and the sixth electrical connection part are configured as pogo pins and connection contacts that can be electrically connected to the first electrical connection part and the second electrical connection part respectively. the other.

Optionally, the output end of the inverter body is formed with at least one of a USB interface, a DC interface and an AC interface.

Through the above technical solution, that is, the battery module of the present disclosure includes a battery body and a first electrical connection structure connected to one end of the battery body including a first electrical connection part and a second electrical connection part, which can be detachably connected to the vehicle battery The first battery installation position of the tray of the package assembly is connected with the second electrical connection structure including the third electrical connection part and the fourth electrical connection part, which can supply power to the vehicle during the use of the vehicle, and can be used when it needs to be used alone. It is removed from the battery pack assembly, detachably installed on the second battery installation position of the base body of the conversion base, and electrically connected to the third electrical connection structure including the fifth electrical connection part and the sixth electrical connection part. The inverter body is converted and used for power supply of outdoor electrical appliances. The technical solution of the present disclosure, by detachably connecting the battery module to the battery pack assembly of the vehicle, can meet the needs of the vehicle, and can also be detached separately as a mobile power supply to meet the power demand of outdoor electrical appliances without occupying excess vehicle space , and easy to carry and use.

Other features and advantages of the present disclosure will be described in detail in the detailed description that follows.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present disclosure, and constitute a part of the description, together with the following specific embodiments, are used to explain the present disclosure, but do not constitute a limitation to the present disclosure. In the attached picture:

Fig. 1 is a structural diagram of a battery module provided by some embodiments of the present disclosure;

Fig. 2 is a side view of a battery module provided by some embodiments of the present disclosure;

Fig. 3 is a front view of a battery module provided by some embodiments of the present disclosure;

Fig. 4 is a schematic structural diagram of a battery pack assembly provided by some embodiments of the present disclosure;

Fig. 5 is a top view of a battery pack assembly provided by some embodiments of the present disclosure;

Fig. 6 is based on A-A sectional view in Fig. 5;

7 is a schematic diagram of the connection structure of multiple battery modules of the battery pack assembly provided by some embodiments of the present disclosure;

Fig. 8 is a schematic structural diagram of a battery pack assembly provided by some embodiments of the present disclosure, where the battery module is not shown;

FIG. 9 is a top view of the battery pack assembly provided in some embodiments of the present disclosure in FIG. 4 , where the battery module is not shown;

Fig. 10 is based on B-B sectional view in Fig. 9;

Fig. 11 is a structural diagram of a conversion base provided by some embodiments of the present disclosure;

Fig. 12 is a top view of a conversion base provided by some embodiments of the present disclosure;

Fig. 13 is a C-C sectional view based on Fig. 12;

Fig. 14 is a connection structure diagram of a battery module and a conversion base provided by some embodiments of the present disclosure;

Fig. 15 is a top view of the connection between the battery module and the conversion base provided by some embodiments of the present disclosure;

Fig. 16 is a D-D sectional view based on Fig. 15;

Fig. 17 is a structural diagram of the output end of the inverter body of the conversion base provided by some embodiments of the present disclosure;

Fig. 18 is a schematic structural diagram of an inverter circuit of a conversion base provided by some embodiments of the present disclosure.

Explanation of reference signs

10-battery pack assembly; 100-battery module; 110-battery body; 120-first electrical connection structure; 121-first electrical connection; 122-second electrical connection; 130-first positioning structure; 200 -tray; 210-first battery installation position; 220-second electrical connection structure; 221-third electrical connection part; 222-fourth electrical connection part; 230-second positioning structure; 300-converting base; 310-reverse Transformer body; 311-input terminal; 312-output terminal; 3121-USB interface; 3122-DC interface; 3123-AC interface; 3124-LED display; 3125-power switch; 320-base body; Installation position; 330—third electrical connection structure; 331—fifth electrical connection portion; 332—sixth electrical connection portion; 340—third positioning structure.

Detailed ways

Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

In the present disclosure, the orientation words used such as "inner and outer" refer to inner and outer relative to the contour of the corresponding component itself, unless stated otherwise. In addition, the terms "first", "second", "third" and the like used in the present disclosure are for distinguishing one element from another element, and do not have order or importance. Furthermore, in the following description, when referring to the drawings, the same reference numerals in different drawings denote the same or similar elements unless otherwise explained. The above definitions are only used to explain and describe the present disclosure, and should not be construed as limiting the present disclosure.

As shown in FIGS. 1 to 18 , the present disclosure provides a battery module 100 , a battery pack assembly 10 , a vehicle, and a conversion base 300 . It is configured as a detachable connection structure. When it needs to be used outdoors, it can be removed from the battery pack assembly 10 of the vehicle and inserted into the conversion base 300 with the inverter body 310 for electrical conversion. It is used for electrical appliances The use of the vehicle saves the space occupied by the vehicle and is easy to carry and use. Therefore, the battery module 100 as an independent structure, the battery pack assembly 10 including the battery module 100 and the vehicle, and the conversion base 300 belong to the same inventive concept and should fall within the protection scope of the present disclosure. .

In order to achieve the above purpose, as shown in FIGS. 1 to 3 , the battery module 100 provided in the first aspect of the present disclosure is used to detachably connect to the tray 200 of the battery pack assembly 10. The battery module 100 can be connected with the battery Other battery modules 100 in the package assembly 10 are arranged in series, and can be charged and discharged along with the charging of the vehicle. The battery module 100 includes a battery body 110 and a first electrical connection structure 120, wherein the battery body 110 can be constructed using any suitable structure for storing electricity; the first electrical connection structure 120 is provided at one end of the battery body 110, including The first electrical connection part 121 and the second electrical connection part 122, one of the first electrical connection part 121 and the second electrical connection part 122 is electrically connected to the positive pole of the battery body 110, and the other is electrically connected to the negative pole of the battery body 110. connect.

As shown in FIGS. 4 to 10 , the battery pack assembly 10 provided in the second aspect of the present disclosure includes a tray 200 and a plurality of battery modules 100 , at least one battery module 100 adopts the above-mentioned battery module 100 ; the tray 200 includes The first battery installation position 210 for the detachable connection of the battery module 100, the first battery installation position 210 is formed with a second electrical connection structure 220, and the second electrical connection structure 220 includes a The third electrical connection part 221 connected, and the fourth electrical connection part 222 corresponding to the second electrical connection part 122 and capable of being electrically connected.

As shown in FIGS. 11 to 18 , the present disclosure also provides a conversion base 300 for detachable connection of the battery module 100 , including: an inverter body 310 , including an input end 311 and an output end 312 and connected to the input end 310 The inverter circuit between the terminal 311 and the output terminal 312; and the base body 320, including the second battery installation position 321 for the detachable connection of the battery module 100, the second battery installation position 321 is formed with a third electrical connection structure 330. The third electrical connection structure 330 includes a fifth electrical connection portion 331 corresponding to the first electrical connection portion 121 and electrically connectable, and a sixth electrical connection portion 332 corresponding to the second electrical connection portion 122 and capable of electrical connection; The fifth electrical connection part 331 and the sixth electrical connection part 332 are respectively electrically connected to the input end 311 of the inverter body 310 .

The battery pack assembly 10 includes a tray 200 and a plurality of battery modules 100 mounted on the tray 200. The plurality of battery modules 100 can be electrically connected in series in sequence. Usually, the battery modules 100 of the first aspect of the present disclosure are installed in The first battery installation position 210 on the tray 200 , and the first electrical connection structure 120 of the battery module 100 is used to electrically connect with the second electrical connection structure 220 to realize charging and discharging of the battery module 100 . Wherein, the first electrical connection part 121 is electrically connected to the third electrical connection part 221, and the second electrical connection part 122 is electrically connected to the fourth electrical connection part 222, so as to realize the detachable connection of the battery module 100 to the battery pack assembly. 10 on a pallet of 200.

When there is an outdoor electricity demand, the battery module 100 can be removed from the first battery installation position 210, and the battery module 100 will be installed on the second battery installation position of the base body 320 of the conversion base 300 of the present disclosure. 321, the first electrical connection structure 120 of the battery module 100 can be electrically connected to the third electrical connection structure 330, that is, the first electrical connection part 121 of the battery module 100 is electrically connected to the fifth electrical connection part 331 of the base body 320 , the second electrical connection part 122 is electrically connected to the sixth electrical connection part 332 , and through the conversion of electricity by the inverter body 310 of the conversion base 300 , to meet the electricity demand of corresponding electrical appliances.

The battery module 100 of the present disclosure includes a battery body 110 and a first electrical connection structure 120 connected to one end of the battery body 110 including a first electrical connection part 121 and a second electrical connection part 122, which can be detachably connected to a vehicle battery. The first battery installation position 210 of the tray 200 of the package assembly 10 is connected to the second electrical connection structure 220 including the third electrical connection part 221 and the fourth electrical connection part 222, which can supply power to the vehicle during the use of the vehicle. When it needs to be used alone, it can be removed from the battery pack assembly 10, detachably installed on the second battery installation position 321 of the base body 320 of the conversion base 300, and connected with the fifth electrical connection part 331 and the sixth electrical connection part. The third electrical connection structure 330 of the part 332 is electrically connected, converted by the inverter body 310, and used for power supply of outdoor appliances. The technical solution of the present disclosure, by detachably connecting the battery module 100 to the battery pack assembly 10 of the vehicle, can satisfy the use of the vehicle, and can also be detached separately as a mobile power supply to meet the power demand of outdoor electrical appliances without occupying redundant Vehicle space, and easy to carry and use.

Firstly, the structure of the battery module 100 provided by the present disclosure will be mainly introduced. As shown in FIG. 1 to FIG. 3 , the battery module 100 is used to be detachably connected to the tray 200 of the battery pack assembly 10, including: a battery body 110; The first electrical connection structure 120 is located at one end of the battery body 110 and includes a first electrical connection portion 121 and a second electrical connection portion 122, one of the first electrical connection portion 121 and the second electrical connection portion 122 is connected to the battery body 110 One is electrically connected to the positive pole, and the other is electrically connected to the negative pole of the battery body 110 .

Wherein, the first electrical connection part 121 and the second electrical connection part 122 can be constructed using any suitable structure. one of the points. For example, the first electrical connection part 121 and the second electrical connection part 122 and the third electrical connection part 221 and the fourth electrical connection part 222, as well as the fifth electrical connection part 331 and the sixth electrical connection part 332 can use pogo pin springs Type electrical connector structure, to ensure the normal electrical connection after quick assembly, and the reliability of the connection. For example, the first electrical connection part 121 and the second electrical connection part 122 are all configured as pogo pins, and the third electrical connection part 221, the fourth electrical connection part 222, the fifth electrical connection part 331 and the sixth electrical connection part 332 are all configured as pogo pins. for connecting contacts. Of course, the reverse is also possible, that is, both the first electrical connection and the second electrical connection 122 are configured as connection contacts, and the third electrical connection 221, the fourth electrical connection 222, the fifth electrical connection 331 and the sixth electrical connection The parts 332 are all configured as pogo pins, which can also satisfy the electrical connection of the positive and negative poles.

In order to facilitate the electrical connection between the first electrical connection structure 120 and the second electrical connection structure 220 or between the first electrical connection structure 120 and the third electrical connection structure 330 and the alignment and alignment of the two, as shown in Figure 1, Figure 6 and Figure 16 , in some embodiments of the present disclosure, the battery module 100 further includes a first positioning structure 130 disposed on the battery body 110 , and the first positioning structure 130 is used for installation and positioning of the battery module 100 . Wherein, when the battery module 100 is installed on the first battery installation position 210 on the tray 200 of the battery pack assembly 10, the first positioning structure 130 can cooperate with the second positioning structure 230 to realize the battery module 100 in the first position. The correct installation of the battery installation position 210 ensures that the first electrical connection part 121 can be electrically connected to the third electrical connection part 221 , and the second electrical connection part 122 can be connected to the fourth electrical connection part 222 . In addition, when the battery module 100 is installed on the second battery installation position 321 of the base body 320 of the conversion base 300 , the first positioning structure 130 can realize the installation of the battery module 100 on the second battery by cooperating with the third positioning structure 340 . Correct installation of the position 321 ensures that the first electrical connection part 121 can be electrically connected to the fifth electrical connection part 331 , and the second electrical connection part 122 can be connected to the sixth electrical connection part 332 .

The first positioning structure 130, the second positioning structure 230 and the third positioning structure 340 can be configured in any suitable manner. In some embodiments, the first positioning structure 130 is configured as at least one of a protrusion and a groove. or between the first electrical connection portion 121 and the second electrical connection portion 122 . For example, the first positioning structure 130 can be configured as a protrusion disposed between the first electrical connection part 121 and the second electrical connection part 122, and the second positioning structure 230 is configured as a protrusion disposed between the third electrical connection part 221 and the fourth electrical connection part 221. The groove part between the electrical connection parts 222 and can cooperate with the protrusion to be positioned, and the third positioning structure 340 is also configured to be arranged between the fifth electrical connection part 331 and the sixth electrical connection part 332 and can be positioned with the protrusion. Match the groove part of the positioning. Wherein, the protrusion and the groove can be configured in any suitable shape, for example, the protrusion can be cylindrical, and the groove can be a cylindrical groove.

It can be understood that the number of the protrusions and the grooves may be one or more, and the protrusions and the grooves correspond one to one.

In some other embodiments, the first positioning structure 130 can also be set at other positions (except the position between the first electrical connection part 121 and the second electrical connection part 122), which can ensure that the first battery with the tray 200 The installation position 210 and the second battery installation position 321 of the conversion base 300 are connected and positioned.

Optionally, the power of the battery module 100 is 0.5-1 kWh. Among them, the large pack of battery packs for vehicle power supply (usually 20-50 kWh, or large battery packs with 50 kWh and 60 kWh or more). A small battery module 100 of about 0.5 kWh to 1 kWh is decomposed from the overall structure, the weight is about 3kg-5kg, and it has a portable appearance. The circuit can also be configured with a charging and discharging system.

It should be noted that the hardware of the above-mentioned battery module 100 can be divided into the following parts. When the battery module 100 is installed, the first thing to do is modular processing. The battery module consists of multiple batteries to form a logic unit. Each module Both contain cells, internal wires, connecting tabs, connecting wire sensors and thermal management systems. The maximum voltage of each module should not exceed 60V (if it is ion electricity connected in series, it should not exceed 16). The battery monitoring circuit needs to monitor the voltage, temperature and even the pressure of each cell in the module in real time, and the module also needs to be equipped with heat insulation and mechanical protection devices. Among them, the battery cells can be connected in series and parallel by multiple 18650 cells; BMS (power battery management system) manages and balances each battery cell to ensure that the battery can supply power at the same time.

The following focuses on the specific structure of the battery pack assembly 10. As shown in FIGS. The above-mentioned battery module 100 is used in the group; the tray 200 includes a first battery installation position 210 for the detachable connection of the battery module 100, the first battery installation position 210 is formed with a second electrical connection structure 220, and the second electrical connection structure 220 It includes a third electrical connection portion 221 corresponding to the first electrical connection portion 121 and electrically connectable, and a fourth electrical connection portion 222 corresponding to the second electrical connection portion 122 and capable of electrical connection. The battery module 100 of the first aspect of the present disclosure can be installed on the first battery installation position 210 of the tray 200 of the battery pack assembly 10, and the first electrical connection structure 120 of the battery module 100 can be electrically connected to the second electrical connection structure 220. connected to realize charging and discharging of the battery module 100. Wherein, the first electrical connection part 121 is electrically connected to the third electrical connection part 221, and the second electrical connection part 122 is electrically connected to the fourth electrical connection part 222, so as to realize the detachable connection of the battery module 100 to the battery pack assembly. 10 on the tray 200 to meet the needs of the vehicle, and the battery module 100 can be charged along with the vehicle.

It can be understood that, in some embodiments, the plurality of battery modules of the battery pack assembly 10 can all adopt the battery module 100 provided in the first aspect above, that is, the tray 200 can be arranged with a plurality of battery modules The group 100 has a one-to-one correspondence with a plurality of first battery installation positions 210, and each first battery installation position 210 is formed with a second electrical connection structure 220, and the second electrical connection structure 220 includes A third electrical connection portion 221 capable of electrical connection, and a fourth electrical connection portion 222 corresponding to the second electrical connection portion 122 and capable of electrical connection. A plurality of battery modules 100 are respectively installed in the first battery installation position 210, which meets the needs of the vehicle, and at the same time allows each battery module 100 to be disassembled separately, and can be used as a mobile power supply after being connected to the conversion base 300 to meet the needs of outdoor appliances. Electricity demand, does not take up excess vehicle space, and is easy to carry and use.

It should be noted that the battery pack assembly 10 also includes other structures or components that realize the functions of the battery pack assembly 10, including the battery control system and the liquid cooling/direct cooling temperature control system, which can be designed or selected with reference to relevant new energy vehicles. , which will not be repeated here.

In order to cooperate with the first positioning structure 130 to realize the positioning function, as shown in FIG. 6 and FIG. The structure 230 can cooperate with the first positioning structure 130, and is used for the installation and positioning of the battery module 100, ensuring that the first electrical connection part 121 can be electrically connected with the third electrical connection part 221, and the second electrical connection part 122 can be electrically connected with the fourth electrical connection part. Section 222 is connected.

The second positioning structure 230 is configured as any suitable structure that is compatible with the first positioning structure 130. In some embodiments, the second positioning structure 230 is configured as a protrusion and a groove corresponding to the first positioning structure 130. At least one of them, and is arranged between the third electrical connection part 221 and the fourth electrical connection part 222, the first positioning structure 130 can be configured to be arranged between the first electrical connection part 121 and the second electrical connection part 122 The protruding part, the second positioning structure 230 is configured as a groove part provided between the third electrical connecting part 221 and the fourth electrical connecting part 222 and can be positioned in cooperation with the protruding part, when the battery module 100 is installed on the first When the battery is installed in the position 210, the raised part is inserted into the groove part to realize matching positioning.

The third electrical connection and the fourth electrical connection part 222 can be configured as any suitable structure respectively adapted to the first electrical connection part 121 and the second electrical connection part 122, in some embodiments, the third electrical connection part 221 and The fourth electrical connection portion 222 is configured as the other of a pogo pin and a connection contact capable of being electrically connected to the first electrical connection portion 121 and the second electrical connection portion 122 , respectively. For example, when the first electrical connection part 121 and the second electrical connection part 122 are configured as pogo pins, the third electrical connection part 221 and the fourth electrical connection part 222 are both configured as connection contacts.

It should be noted that, the junction of the detachable battery module 100 and the tray 200 may be provided with a first locking structure for unlockably locking the battery module 100, for fixing the battery module 100 in a On the tray 200, the electrical connection in the battery pack assembly 10 is prevented from being affected by the running and vibration of the vehicle. It can be understood that the first locking structure includes but is not limited to the buckle provided on the tray 200 , and may also be other structures capable of realizing the above functions, which will not be repeated here.

As shown in FIG. 7, the battery pack assembly 10 can be composed of 10 small battery modules 100, and the separately detachable battery module 100 of the present disclosure can be one of the 10 battery modules 100 shown in the figure. Any piece, after being connected with the conversion base 300, can be used as a mobile outdoor power supply.

The third aspect of the present disclosure provides a vehicle, which includes the above-mentioned battery pack assembly 10 , therefore, the vehicle also has all the advantages of the above-mentioned battery pack assembly 10 , which will not be repeated here.

As shown in FIGS. 11 to 18 , the fourth aspect of the present disclosure further provides a conversion base 300 for detachable connection of the battery module 100 , the conversion base includes an inverter body 310 and a base body 320 , wherein , the inverter body 310 includes an input end 311 and an output end 312 and an inverter circuit connected between the input end 311 and the output end 312; The battery installation position 321, the second battery installation position 321 is formed with a third electrical connection structure 330, the third electrical connection structure 330 includes a fifth electrical connection part 331 corresponding to the first electrical connection part 121 and capable of being electrically connected, and a fifth electrical connection part 331 that is electrically connected to the first The second electrical connection portion 122 corresponds to and can be electrically connected to the sixth electrical connection portion 332 ; the fifth electrical connection portion 331 and the sixth electrical connection portion 332 are respectively electrically connected to the input end 311 of the inverter body 310 .

When there is an outdoor electricity demand, the battery module 100 can be removed from the first battery installation position 210 of the battery pack assembly 10 of the vehicle, and the battery module 100 will be installed on the base of the conversion base 300 of the present disclosure. The second battery installation position 321 of the main body 320, the first electrical connection structure 120 of the battery module 100 can be electrically connected with the third electrical connection structure 330, that is, the first electrical connection part 121 of the battery module 100 and the base body 320 The fifth electrical connection part 331 is electrically connected, and the second electrical connection part 122 is electrically connected to the sixth electrical connection part 332, and through the electrical conversion of the inverter body 310 of the conversion base 300, the power consumption demand of the corresponding electrical appliance is met, so that Outdoor use is no longer limited by distance, and there is no need to carry an additional outdoor mobile power supply. It does not take up excess vehicle space and is easy to carry and use.

It should be noted that the inverter body 310 can be designed and selected with reference to the inverter in the related known technology, wherein the inverter converts DC power into AC power by turning on and off the semiconductor power switch A transformation device, which is the inverse process of rectification transformation. The inverter is a conversion device that converts DC power into AC power by turning on and off the semiconductor power switch, and is the reverse process of rectification and conversion.

For example, as shown in Figure 18, in some embodiments, the entire circuit of the inverter can be roughly divided into two parts, and each part uses a 494 chip or a 7500 chip to form a control circuit, wherein the first part of the circuit The function is to convert the 12V DC power provided by the car battery into a 30kHz-50kHz, 220V AC power through high-frequency PWM (pulse width modulation) switching power supply technology; the function of the second part of the circuit is to use bridge rectification, filtering, pulse Wide modulation and switching power output and other technologies convert 30kHz to 50kHz, 220V alternating current into 50Hz, 220V alternating current.

The electrical connection between the first electrical connection structure 120 and the third electrical connection structure 330 and the alignment and alignment of the two, as shown in Figure 12, Figure 13 and Figure 16, in some embodiments of the present disclosure, the conversion base 300 also includes a set The third positioning structure 340 at the second battery installation position 321, the third positioning structure 340 can cooperate with the first positioning structure 130, and is used for the installation and positioning of the battery module 100, ensuring that the first electrical connection part 121 can be connected with the fifth electrical connection. The connecting portion 331 is electrically connected, and the second electrical connecting portion 122 is electrically connected to the sixth electrical connecting portion 332 .

The third positioning structure 340 is configured as any suitable structure suitable for the first positioning structure 130 , in some embodiments, the third positioning structure 340 is configured as a protrusion and a groove corresponding to the first positioning structure 130 At least one of them is disposed between the fifth electrical connection portion 331 and the sixth electrical connection portion 332 . The first positioning structure 130 can be configured as a raised portion disposed between the first electrical connection part 121 and the second electrical connection part 122, and the third positioning structure 340 is configured as a protrusion disposed between the fifth electrical connection part 331 and the sixth electrical connection part 331. The groove portion between the connection portions 332 and capable of cooperating with the protruding portion, when the battery module 100 is installed at the second battery installation position 321 , the protruding portion is inserted into the groove portion to realize the cooperating positioning.

The fifth electrical connection and the sixth electrical connection 332 can be configured as any suitable structure that is compatible with the first electrical connection 121 and the second electrical connection 122 respectively. In some embodiments, the fifth electrical connection 331 and The sixth electrical connection portion 332 is configured as the other of a pogo pin and a connection contact capable of being electrically connected to the first electrical connection portion 121 and the second electrical connection portion 122 , respectively. For example, when the first electrical connection part 121 and the second electrical connection part 122 are configured as pogo pins, both the fifth electrical connection part 331 and the sixth electrical connection part 332 are configured as connection contacts.

In order to realize that the conversion base 300 has multiple output interfaces and facilitate the use of multiple electrical appliances, as shown in Figure 13, Figure 16 and Figure 17, in some embodiments, the output end 312 of the inverter body 310 is formed with a USB interface 3121 , at least one of a DC power interface 3122 and an AC power interface 3123 . Wherein, the output terminal 312 of the inverter body 310 can form a power output interface, and the interface can include a USB interface 3121 (3A1C), an AC interface 3123 (2), a DC interface 3122 (DC5521×2) and a 12V cigarette lighter device interface, etc.

Wherein, the direct current interface 3122 and the alternating current interface 3123 have independent control switches, and an LED display 3124 can also be provided in the middle of the output terminal 312, and a power switch 3125 for switching the base can be provided under the LED display 3124 to control the entire inverter. The electrical connection between the inverter body 310 and the battery module 100 .

It should be noted that, in order to ensure the reliability of the connection between the battery module 100 and the switching base, an unlockable lock for locking the battery module 100 may be provided at the junction of the detachable battery module 100 and the switching base. The second locking structure is used to fixedly connect the battery module 100 to the switching base. It can be understood that the first locking structure includes, but is not limited to, a buckle provided on the switching base, and may also be other structures provided on the switching base that can realize the above functions, which will not be repeated here.

In summary, the battery module 100 , the battery pack assembly 10 , the vehicle and the conversion base 300 of the present disclosure, the battery module includes a battery body 110 and one end of the battery body 110 includes a first electrical connection part 121 and a second electrical connection part 121 . The first electrical connection structure 120 of the electrical connection part 122 is detachably connected to the first battery installation position 210 of the tray 200 of the vehicle battery pack assembly 10 and includes a third electrical connection part 221 and a fourth electrical connection part 222 connected to the second electrical connection structure 220, which can supply power to the vehicle during the use of the vehicle. When it needs to be used alone, it can be removed from the battery pack assembly 10 and detachably installed on the first part of the base body 320 of the conversion base 300. The second battery installation position 321 is electrically connected to the third electrical connection structure 330 including the fifth electrical connection part 331 and the sixth electrical connection part 332 , converted by the inverter body 310 , and can be used for power supply of outdoor appliances. The technical solution of the present disclosure can satisfy the use of the vehicle by detachably connecting the battery module 100 to the battery pack assembly 10 of the vehicle, and can also be detached separately as a mobile power supply to meet the electricity demand of outdoor electrical appliances without occupying redundant vehicles Space, and easy to carry and use.

The preferred embodiments of the present disclosure have been described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure. These simple modifications all belong to the protection scope of the present disclosure.

In addition, it should be noted that the various specific technical features described in the above specific implementation manners may be combined in any suitable manner if there is no contradiction. In order to avoid unnecessary repetition, various possible combinations are not further described in this disclosure.

In addition, various implementations of the present disclosure can be combined arbitrarily, as long as they do not violate the idea of the present disclosure, they should also be regarded as the content disclosed in the present disclosure.

Claims (15)

1. A battery module for detachably connected to the tray of the battery pack assembly, characterized in that it comprises: battery body; The first electrical connection structure is provided at one end of the battery body and includes a first electrical connection part and a second electrical connection part, one of the first electrical connection part and the second electrical connection part is connected to the battery body The positive electrode is electrically connected, and the other is electrically connected to the negative electrode of the battery body. 2. The battery module according to claim 1, wherein the battery module further comprises a first positioning structure provided on the battery body, and the first positioning structure is used for positioning the battery module. Installation positioning. 3. The battery module according to claim 2, wherein the first positioning structure is configured as at least one of a protrusion and a groove, and is provided on the first electrical connection and the first electrical connection. between the second electrical connection parts. 4 . The battery module according to claim 1 , wherein the first electrical connection portion and the second electrical connection portion are configured as one of pogo pins and connection contacts. 5. The battery module according to any one of claims 1-4, wherein the power of the battery module is 0.5-1 kWh. 6. A battery pack assembly, including a tray and a plurality of battery modules, wherein at least one of the battery modules adopts the battery module according to any one of claims 1-5; The tray includes a first battery installation position for the detachable connection of the battery module, the first battery installation position is formed with a second electrical connection structure, and the second electrical connection structure includes a A third electrical connection portion corresponding to and electrically connectable to, and a fourth electrical connection portion corresponding to and electrically connectable to the second electrical connection portion. 7. The battery pack assembly according to claim 6, wherein the first battery installation position is further formed with a second positioning structure, and the second positioning structure can be aligned with the first positioning structure of the battery module. The structural cooperation is used for the installation and positioning of the battery module. 8. The battery pack assembly according to claim 7, wherein the second positioning structure is configured as at least one of a protrusion and a groove corresponding to the first positioning structure, and It is arranged between the third electrical connection part and the fourth electrical connection part. 9. The battery pack assembly according to claim 6, wherein the third electrical connection portion and the fourth electrical connection portion are configured to be able to be connected to the first electrical connection portion and the second electrical connection portion respectively The other of the pogo pins that are electrically connected to the outside and the connection contacts. 10. A vehicle, characterized in that the vehicle comprises the battery pack assembly according to any one of claims 6-9. 11. A conversion base for detachable connection of battery modules, characterized in that it comprises: an inverter body including an input terminal and an output terminal and an inverter circuit connected between the input terminal and the output terminal; and The base body includes a second battery installation position for the detachable connection of the battery module, the second battery installation position is formed with a third electrical connection structure, and the third electrical connection structure includes a first connection with the battery module. A fifth electrical connection part corresponding to and capable of being electrically connected to an electrical connection part, and a sixth electrical connection part corresponding to and capable of being electrically connected to the second electrical connection part of the battery module; The fifth electrical connection part and the sixth electrical connection part are respectively electrically connected to the input end of the inverter body. 12. The conversion base according to claim 11, characterized in that, the conversion base further comprises a third positioning structure arranged at the second battery installation position, the third positioning structure can be connected with the battery module The first positioning structure is used for the installation and positioning of the battery module. 13. The conversion base according to claim 12, wherein the third positioning structure is configured as at least one of a protrusion and a groove corresponding to the first positioning structure, and is arranged on Between the fifth electrical connection part and the sixth electrical connection part. 14. The conversion base according to claim 11, characterized in that, the fifth electrical connection part and the sixth electrical connection part are configured to be able to be connected to the first electrical connection part and the second electrical connection respectively The other of the pogo pins that are electrically connected to the outside and the connection contacts. 15. The conversion stand according to any one of claims 11-14, wherein at least one of a USB interface, a DC interface and an AC interface is formed on the output end of the inverter body.