Battery swapping battery connector assembly and battery swapping battery system

Abstract

The utility model discloses a battery swap battery connector assembly and a battery swap battery system, the connector assembly comprises a vehicle end connector and a battery end connector, the vehicle end connector is connected with the battery end connector; the vehicle end connector comprises a first cooling water port and a binding post, and the first cooling water port and the binding post are both arranged outside the upper shell; the battery end connector comprises a guide pin, a shell, a power terminal binding post and a second cooling water port, and the power terminal binding post penetrates through the shell and is exposed to the outside; the upper shell is connected with a lower shell, a retainer is arranged between the upper shell and the lower shell, and the bottom of the binding post is mounted on the retainer. The connector assembly provided by the utility model is high in integration level, reduces the number of guiding and positioning structures, and reduces the fault rate of battery replacement. The manufacturing and use cost is reduced; excessive space occupation is avoided; and the electro-hydraulic conductivity of the battery and the vehicle body is effectively ensured.

Description

Technical Field

[0001] The utility model relates to a connector assembly, in particular to a battery replacement battery connector assembly and a battery replacement battery system, belonging to the technical field of battery replacement battery equipment. Background Art

[0002] Electric vehicles (BEV) refer to vehicles that use an onboard power source as a power source, use an electric motor to drive the wheels, and comply with various requirements of road traffic and safety regulations. They are widely used because they have less impact on the environment than traditional vehicles. Among them, battery swapping technology is widely popular because of its fast energy replenishment and other characteristics.

[0003] In electric vehicles, especially those that use battery swapping solutions, the coupling connection and disconnection of the power supply circuit and the cooling circuit during the rapid battery swapping and energy replenishment process of the liquid-cooled battery needs to be considered. The existing technology lacks relevant connector components that can ensure good electro-hydraulic conduction between the battery and the vehicle body, especially the lack of integrated connector components. As a result, the failure rate and cost of existing liquid-cooled battery swapping are at a high level, and the space occupied is also large. Summary of the invention

[0004] The technical problem to be solved by the present utility model is to provide a battery replacement connector assembly and a battery replacement system, which solves the problem of electro-liquid conductivity of liquid-cooled batteries during battery replacement.

[0005] The technical problem to be solved by the utility model is achieved by adopting the following technical solutions:

[0006] The utility model provides a battery replacement connector assembly, including a vehicle-end connector and a battery-end connector, wherein:

[0007] The vehicle-end connector is connected to the battery-end connector;

[0008] The vehicle-end connector comprises a first cooling water inlet and a terminal, wherein the first cooling water inlet and the terminal are both arranged outside the upper shell;

[0009] The battery terminal connector includes a guide pin, a housing, a power terminal binding post and a second cooling water inlet, wherein:

[0010] The power terminal binding posts pass through the housing and are exposed to the outside.

[0011] As a preferred technical solution of the utility model, the upper shell is connected to the lower shell, wherein a retaining frame is provided between the upper shell and the lower shell, and the bottom of the terminal is mounted on the retaining frame.

[0012] As a preferred technical solution of the utility model, the retaining frame is arranged in the floating component fixing seat.

[0013] As a preferred technical solution of the utility model, the bottom of the shell is equipped with the second cooling water inlet, wherein:

[0014] The power terminal binding post passes through the housing and both ends are exposed to the outside.

[0015] As a preferred technical solution of the utility model, a communication terminal holder and a low-voltage communication terminal installed on the communication terminal holder are also provided in the shell.

[0016] As a preferred technical solution of the present utility model, the guide pin is installed on the top end of the shell.

[0017] As a preferred technical solution of the utility model, a power terminal retainer for mounting the power terminal binding post is also provided in the housing.

[0018] The utility model also provides a battery replacement system, which has the aforementioned battery replacement battery connector assembly, and the battery end connector is installed on the battery assembly.

[0019] The beneficial effects of the present invention are as follows: the connector assembly of the present invention has a high degree of integration, reduces the number of guiding and positioning structures, reduces the failure rate of battery replacement, reduces manufacturing and use costs, avoids excessive space occupation, and effectively ensures the electro-hydraulic conductivity between the battery and the vehicle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the vehicle-end connector of the utility model;

[0022] Figure 3 It is a schematic diagram of the exploded structure of the vehicle-end connector of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the battery terminal connector of the utility model;

[0024] Figure 5 It is a schematic diagram of the exploded structure of the battery terminal connector of the utility model;

[0025] Figure 6 This is one of the schematic diagrams of the installation structure of the utility model;

[0026] Figure 7 This is the second schematic diagram of the installation structure of the utility model;

[0027] In the figure: 1. Vehicle-end connector; 11. First cooling water inlet; 12. Terminal post; 13. Upper shell; 14. Retaining frame; 15. Floating assembly fixing seat; 16. Lower shell; 2. Battery-end connector; 21. Guide pin; 22. Shell; 23. Low-voltage communication terminal; 24. Communication terminal retainer; 25. Power terminal retainer; 26. Power terminal terminal post; 27. Second cooling water inlet; 30. Battery assembly. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0029] Example

[0030] like Figure 1-7 As shown, this embodiment provides a battery replacement battery connector assembly, including a vehicle-end connector 1 and a battery-end connector 2, wherein the vehicle-end connector 1 is connected to the battery-end connector 2;

[0031] The vehicle-end connector 1 includes a first cooling water inlet 11 and a terminal 12, and the first cooling water inlet 11 and the terminal 12 are both arranged outside the upper shell 13;

[0032] The battery-end connector 2 includes a guide pin 21 , a shell 22 , a power terminal binding post 26 and a second cooling water inlet 27 , wherein the power terminal binding post 26 passes through the shell 22 and is exposed to the outside to achieve connection with the vehicle-end connector 1 .

[0033] The upper shell 13 is connected to the lower shell 16, wherein a retaining frame 14 is disposed between the upper shell 13 and the lower shell 16, and the bottom of the terminal 12 is mounted on the retaining frame 14. The retaining frame 14 is disposed in a floating assembly fixing seat 15.

[0034] A second cooling water inlet 27 is installed at the bottom of the housing 22 , wherein the power terminal binding post 26 passes through the housing 22 and both ends are exposed to the outside.

[0035] A communication terminal holder 24 and a low voltage communication terminal 23 mounted on the communication terminal holder 24 are also provided in the housing 22. A guide pin 21 is mounted on the top end of the housing 22.

[0036] A power terminal holder 25 for mounting a power terminal binding post 26 is also provided in the housing 22 .

[0037] Specifically, the guide housing assembly of the battery-end connector 2 composed of the guide pin 21 and the housing 22, and the housing portion of the vehicle-end connector 1 composed of the upper housing 13, the floating assembly fixing seat 15 and the lower housing 16 cooperate with the positioning pin and the positioning sleeve so that the power terminal (power terminal terminal 26) and the communication terminal (low-voltage communication terminal 23) can realize the connection between the battery end and the vehicle end;

[0038] The battery-side power terminal assembly composed of the power terminal holder 25 and the power terminal terminal post 16 is plugged into the vehicle-side power terminal assembly composed of the terminal post 12 and the floating assembly fixing seat 15 to achieve high-voltage connection between the battery and the vehicle.

[0039] The battery-end low-voltage communication assembly composed of the housing 22 and the low-voltage communication terminal 23 and the corresponding vehicle-end low-voltage communication terminal assembly in the floating assembly fixing seat 15 realize the low-voltage communication connection between the battery and the whole vehicle;

[0040] The battery-side inlet and outlet cooling water ports included in the second cooling water port 27 and the vehicle-side inlet and outlet cooling water ports included in the first cooling water port 11 are plugged into each other to connect the thermal management circulation water circuit of the battery to the vehicle;

[0041] The second cooling water inlet 27 and the corresponding cooling water inlet of the first cooling water inlet 11 respectively have elastic self-sealing functions, and when the battery is separated from the vehicle, the liquid medium in the battery and vehicle circulation water circuits can be sealed in the battery and the vehicle respectively.

[0042] This embodiment also provides a battery replacement system, which has the aforementioned battery replacement battery connector assembly, and the battery end connector 2 is installed on the battery assembly 30.

[0043] The connector assembly of the utility model has a high degree of integration, and realizes the integration of the electrical connection and the coolant connection structure into a set of plug-in structural parts, which reduces the number of guide positioning structures, reduces the failure rate of battery replacement, reduces the manufacturing and use costs, avoids excessive space occupation, and effectively ensures the electrical and liquid conductivity between the battery and the vehicle body. It realizes the coupling connection and disconnection of the power supply circuit and the cooling circuit during the rapid battery replacement and energy replenishment process of liquid-cooled batteries.

[0044] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of protection claimed by the utility model. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A battery replacement connector assembly, It is characterized in that It comprises a vehicle-end connector (1) and a battery-end connector (2), wherein: The vehicle-end connector (1) is connected to the battery-end connector (2); The vehicle-end connector (1) comprises a first cooling water inlet (11) and a terminal (12), wherein the first cooling water inlet (11) and the terminal (12) are both arranged outside the upper shell (13); The battery terminal connector (2) comprises a guide pin (21), a housing (22), a power terminal binding post (26) and a second cooling water inlet (27), wherein: The power terminal binding post (26) passes through the housing (22) and is exposed to the outside; The upper shell (13) is connected to the lower shell (16), wherein a retaining frame (14) is provided between the upper shell (13) and the lower shell (16), and the bottom of the terminal (12) is mounted on the retaining frame (14); The retaining frame (14) is arranged in the floating component fixing seat (15); The bottom of the housing (22) is provided with the second cooling water port (27), wherein: The power terminal binding post (26) passes through the housing (22) and both ends are exposed to the outside; A communication terminal holder (24) and a low-voltage communication terminal (23) mounted on the communication terminal holder (24) are also provided in the housing (22); The guide pin (21) is mounted on the top end of the housing (22).

2. A battery replacement connector assembly according to claim 1, It is characterized in that A power terminal retaining member (25) for mounting the power terminal binding post (26) is also provided in the housing (22).

3. A battery replacement system, comprising a battery replacement connector assembly as claimed in any one of claims 1 to 2, It is characterized in that The battery terminal connector (2) is mounted on the battery assembly (30).

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