First electric connector, second electric connector, battery pack and vehicle

Abstract

The utility model discloses a first electric connector, a second electric connector, a battery pack and a vehicle, and relates to the technical field of vehicles, the first electric connector is used for being assembled on the vehicle, the first electric connector comprises a guide cylinder and a first connecting terminal, the first connecting terminal is arranged in the guide cylinder, and the second connecting terminal is arranged in the guide cylinder. The first connecting terminal is used for being connected with a vehicle body of the vehicle, the guide cylinder is used for being matched with a second electric connector in a guiding mode, and the first connecting terminal is used for being connected with the second electric connector. Therefore, the functions of the first connecting terminal and the guide cylinder can be integrated, so that the space occupation of the first connecting terminal on the first electric connector is reduced, the structure of the first electric connector is more compact, the effects of reducing cost and increasing efficiency are achieved for the first electric connector, the installation space can be saved for the interior of a battery pack, and the installation efficiency is improved. The utilization rate of the internal mounting space of the battery pack is improved, and the overall performance of the battery pack is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, and in particular to a first electrical connector, a second electrical connector, a battery pack and a vehicle. Background Art

[0002] In the related art, the existing electrical connector assembly includes a first electrical connector and a second electrical connector, the first electrical connector is mounted on the vehicle, and the second electrical connector is mounted on the battery pack, and the battery pack and the vehicle are connected by plugging the first electrical connector and the second electrical connector. The first electrical connector and the second electrical connector both have a power terminal, a PE terminal (a grounding terminal connecting the housing and the ground) and a low-voltage communication terminal. The existing power terminal, PE terminal and low-voltage communication terminal are independent design structures, and are dispersedly arranged on the electrical connector interface panel, resulting in a larger panel size of the electrical connector, which makes the outer dimensions and installation space dimensions of the electrical connector larger, resulting in a higher manufacturing cost of the electrical connector, and also results in a larger space being reserved inside the battery pack for installing the second electrical connector, which reduces the structural compactness of the battery pack, and further reduces the overall performance of the battery pack. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to provide a first electrical connector and a second electrical connector, which can make the structure of the first electrical connector and the second electrical connector more compact, reduce the manufacturing cost of the first electrical connector and the second electrical connector, and improve the space utilization of the battery pack and the overall performance of the vehicle power battery pack.

[0004] The utility model further provides a vehicle having the first electrical connector.

[0005] The utility model further provides a second electrical connector.

[0006] The utility model further proposes a battery pack having the second electrical connector.

[0007] According to the first electrical connector of the embodiment of the utility model, the first electrical connector is used to be assembled on a vehicle, and the first electrical connector includes: a guide cylinder and a first connecting terminal, the first connecting terminal is arranged in the guide cylinder, and the first connecting terminal is used to connect to the body of the vehicle, and the guide cylinder is used to guide and cooperate with the second electrical connector, and the first connecting terminal is used to connect to the second electrical connector.

[0008] According to the first electrical connector and the second electrical connector of the embodiment of the utility model, by arranging the first connecting terminal in the guide cylinder and being suitable for connecting with the body of the vehicle, the functions of the first connecting terminal and the guide cylinder can be integrated, thereby reducing the space occupied by the first connecting terminal on the first electrical connector, thereby making the structure of the first electrical connector more compact, improving the standardization of the first electrical connector, thereby playing a role of reducing costs and increasing efficiency for the first electrical connector, and can also save installation space inside the battery pack, improve the utilization rate of the installation space inside the battery pack, and thereby improve the overall performance of the battery pack.

[0009] According to some embodiments of the present invention, the first connecting terminal is fixed to the guide cylinder.

[0010] According to some embodiments of the present invention, the first connecting terminal is configured as a torsion spring structure.

[0011] According to some embodiments of the present invention, the first connecting terminal is annular to form an assembly hole for assembling the second electrical connector.

[0012] According to some embodiments of the present invention, the first electrical connector has a first electrical connector housing, and a portion of the first electrical connector housing is configured as a guide cylinder.

[0013] According to some embodiments of the present invention, the first electrical connector further includes: a first power terminal and a first low-voltage terminal, and both the first power terminal and the first low-voltage terminal are used for plugging and mating with the second electrical connector.

[0014] According to some embodiments of the present invention, the guide cylinder, the first power terminal and the first low-voltage terminal are arranged along the length direction of the first electrical connector.

[0015] According to some embodiments of the present invention, the first electrical connector is formed with a guide hole, and the guide hole is used for guiding and matching with the second electrical connector.

[0016] A vehicle according to an embodiment of the utility model comprises the first electrical connector of the above embodiment.

[0017] According to the second electrical connector of the embodiment of the utility model, the second electrical connector is used to be assembled on the battery pack, and the second electrical connector includes: a first guide column, the first guide column is used to connect with the battery pack shell of the battery pack, the first guide column is used to guide and cooperate with the first electrical connector, and the first guide column is also used to connect with the first electrical connector.

[0018] According to some embodiments of the present invention, the second electrical connector has a second electrical connector housing, the first guide post is fixed to the second electrical connector housing, and the first guide post is connected to the battery pack housing through the second electrical connector housing.

[0019] According to some embodiments of the present invention, the second electrical connector further includes a second power terminal and a second low-voltage terminal, and the second power terminal and the second low-voltage terminal are both used for plugging and mating with the first electrical connector.

[0020] According to some embodiments of the present invention, the first guide pillar, the second power terminal and the second low-voltage terminal are arranged along the length direction of the second electrical connector.

[0021] According to some embodiments of the present invention, the second electrical connector further includes: a second guide post, and the second guide post is used for guiding and mating with the first electrical connector.

[0022] The battery pack according to the embodiment of the utility model comprises the second electrical connector of the above embodiment.

[0023] A vehicle according to an embodiment of the utility model includes the battery pack of the above embodiment.

[0024] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0026] Figure 1 It is a schematic diagram of the structure of the first electrical connector according to an embodiment of the utility model;

[0027] Figure 2 This is a front view of the first electrical connector of the embodiment of the utility model;

[0028] Figure 3 is a schematic diagram of the first electrical connector of the embodiment of the utility model from another viewing angle;

[0029] Figure 4 This is a front view of the second electrical connector of the embodiment of the utility model;

[0030] Figure 5 It is a schematic diagram of the assembly of the second electrical connector and the battery pack according to the embodiment of the utility model;

[0031] Figure 6 It is a schematic diagram of the assembly of the first electrical connector and the second electrical connector according to an embodiment of the utility model.

[0032] Reference numerals:

[0033] First electrical connector 10; guide cylinder 11; first connection terminal 12; assembly hole 13; first electrical connector housing 14; first power terminal 15; first low voltage terminal 16; guide hole 17;

[0034] Second electrical connector 20; first guide post 21; second electrical connector housing 22; second power terminal 23; second low voltage terminal 24; second guide post 25;

[0035] Battery pack 30 ; Battery pack housing 31 . DETAILED DESCRIPTION

[0036] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0037] Reference below Figure 1-Figure 6 The first electrical connector 10, the second electrical connector 20, the battery pack 30 and the vehicle according to the embodiment of the utility model are described. The first electrical connector 10 and the second electrical connector 20 can be used for communication connection and current transmission between the vehicle body and the battery pack 30, so as to achieve the functional effect of equal potential between the battery pack housing 31 and the vehicle body.

[0038] like Figure 1-Figure 6 As shown, according to the first electrical connector 10 of the embodiment of the utility model, the first electrical connector 10 is used to be assembled on a vehicle, and the first electrical connector 10 includes: a guide cylinder 11 and a first connecting terminal 12, the first connecting terminal 12 is arranged in the guide cylinder 11, and the first connecting terminal 12 is used to connect to the body of the vehicle, and the guide cylinder 11 is used to guide and cooperate with the second electrical connector 20, and the first connecting terminal 12 is used to connect to the second electrical connector 20.

[0039] Among them, the first electrical connector 10 can be a vehicle-end connector, and the second electrical connector 20 can be a battery pack-end connector. The first electrical connector 10 and the second electrical connector 20 are assembled together, which can realize the functions of communication connection and current transmission between the vehicle body and the battery pack 30, so as to achieve the functional effect of the battery pack housing 31 and the vehicle body being at the same potential. The first electrical connector 10 and the second electrical connector 20 can be plug-in connected. The first electrical connector 10 is used to be assembled on the vehicle. The first electrical connector 10 can be assembled on the vehicle by bolt connection, or the first electrical connector 10 can be assembled on the vehicle by snap-on connection, but the utility model is not limited to this. The first electrical connector 10 can also be indirectly assembled on the vehicle, as long as the first electrical connector 10 is assembled on the vehicle.

[0040] The first electrical connector 10 includes: a guide cylinder 11 and a first connection terminal 12. The first connection terminal 12 can be arranged in the guide cylinder 11. For example, the first connection terminal 12 and the guide cylinder 11 can be connected by a snap connection, or the first connection terminal 12 and the guide cylinder 11 can be connected by a bolt. However, the present invention is not limited thereto. The first connection terminal 12 and the guide cylinder 11 can also be connected by other methods, as long as the first connection terminal 12 is arranged in the guide cylinder 11. Therefore, it is not necessary to set a separate assembly position for the first connection terminal 12 on the panel of the first electrical connector 10. The first connection terminal 12 can be arranged on the panel of the first electrical connector 10, thereby reducing the space occupied by the first connection terminal 12 on the panel of the first electrical connector 10, making the structure of the first electrical connector 10 more compact. In addition, since it is not necessary to set a separate assembly position for the first connection terminal 12 on the panel of the first electrical connector 10, the structure of the first electrical connector 10 can be made more compact, thereby reducing the manufacturing cost of the first electrical connector 10.

[0041] The first connection terminal 12 is used to connect to the body of the vehicle. For example, the first connection terminal 12 and the body can be connected by snap-fitting, or the first connection terminal 12 and the body can be connected by bolts, but the utility model is not limited thereto. The first connection terminal 12 and the body can also be indirectly connected, as long as the first connection terminal 12 is connected to the body.

[0042] The guide cylinder 11 is used for guiding and matching with the second electrical connector 20, and the first connecting terminal 12 is used for connecting with the second electrical connector 20. Specifically, the second electrical connector 20 can have a first guide column 21, and the first guide column 21 is suitable for being inserted into the guide cylinder 11 and suitable for being connected with the first connecting terminal 12. The guide cylinder 11 can guide the first guide column 21, so as to facilitate the precise connection of the first guide column 21 with the first connecting terminal 12, thereby realizing the precise matching connection between the first guide column 21 and the first connecting terminal 12, thereby improving the reliability of the first electrical connector 10 and the second electrical connector 20.

[0043] According to the first electrical connector 10 of the embodiment of the utility model, by arranging the first connecting terminal 12 in the guide cylinder 11, the functions of the first connecting terminal 12 and the guide cylinder 11 can be integrated, thereby reducing the space occupied by the first connecting terminal 12 on the first electrical connector 10, making the structure of the first electrical connector 10 more compact, improving the standardization of the first electrical connector 10, and thus playing a role in reducing costs and increasing efficiency for the first electrical connector 10, and can also save installation space inside the battery pack 30, improve the utilization rate of the installation space inside the battery pack 30, and thus improve the overall performance of the battery pack 30.

[0044] According to some embodiments of the present invention, Figure 2As shown, the first connection terminal 12 is fixed to the guide cylinder 11, for example, the first connection terminal 12 and the guide cylinder 11 can be connected by a snap-fit ​​connection, or the first connection terminal 12 and the guide cylinder 11 can be connected by a bolt, but the utility model is not limited thereto, and the first connection terminal 12 and the guide cylinder 11 can also be connected by other methods, as long as the first connection terminal 12 is fixed to the guide cylinder 11. By fixing the first connection terminal 12 to the guide cylinder 11, the first connection terminal 12 can be arranged on the first electrical connector 10 without setting a separate assembly position for the first connection terminal 12 on the panel of the first electrical connector 10, so that the structure of the first electrical connector 10 is more compact, the interface size of the first electrical connector 10 is miniaturized, the reliability of the first electrical connector 10 is improved, and the manufacturing cost of the first electrical connector 10 is reduced.

[0045] According to some embodiments of the present invention, Figure 1 As shown, the first connection terminal 12 can be constructed as a torsion spring structure, which can ensure that the first connection terminal 12 is effectively in contact with the first guide column 21, thereby ensuring good conductivity between the first connection terminal 12 and the first guide column 21, thereby improving the reliability of the first electrical connector 10.

[0046] According to some embodiments of the present invention, Figure 1 As shown, the first connecting terminal 12 can be annular to form an assembly hole 13 for assembling the second electrical connector 20. The first connecting terminal 12 is annular so that the shape of the assembly hole 13 can be adapted to the shape of the first guide column 21, so as to facilitate the first guide column 21 to be inserted into the assembly hole 13, thereby realizing the matching assembly of the first electrical connector 10 and the second electrical connector 20, and making the first guide column 21 and the first connecting terminal 12 reliably contact.

[0047] According to some embodiments of the present invention, Figure 1 As shown, the first electrical connector 10 has a first electrical connector shell 14, and a portion of the first electrical connector shell 14 can be constructed as a guide cylinder 11. Specifically, the guide cylinder 11 and the first connecting terminal 12 in the guide cylinder 11 can be integrally formed with the first electrical connector shell 14, and the first guide column 21 and the first electrical connector shell 14 can be an interference riveted fit, which can further ensure that the first connecting terminal 12 is in effective contact with the first guide column 21, thereby further ensuring that the first connecting terminal 12 and the first guide column 21 have good conductivity, thereby further improving the reliability of the first electrical connector 10.

[0048] According to some embodiments of the present invention, Figure 2 and Figure 4As shown, the first electrical connector 10 further has a first power terminal 15 and a first low-voltage terminal 16 , and both the first power terminal 15 and the first low-voltage terminal 16 are used for plugging and mating with the second electrical connector 20 .

[0049] Among them, the second electrical connector 20 may have a second power terminal 23 and a second low-voltage terminal 24, and the first power terminal 15 and the first low-voltage terminal 16 are plugged and matched with the second power terminal 23 and the second low-voltage terminal 24 respectively, so as to realize the plugging and matching of the first power terminal 15 and the first low-voltage terminal 16 with the second electrical connector 20. Specifically, the first power terminal 15 and the second power terminal 23 may be arranged correspondingly so that the first power terminal 15 and the second power terminal 23 can be plugged and matched, and the first low-voltage terminal 16 and the second low-voltage terminal 24 may be arranged correspondingly so that the first low-voltage terminal 16 and the second low-voltage terminal 24 can be plugged and matched, thereby realizing the plugging and matching of the first electrical connector 10 and the second electrical connector 20, and further realizing the communication connection, current transmission and other tasks between the battery pack 30 and the vehicle body.

[0050] According to some embodiments of the present invention, Figure 2 and Figure 4 As shown, the guide cylinder 11 , the first power terminal 15 and the first low-voltage terminal 16 may be arranged along the length direction of the first electrical connector 10 .

[0051] The length direction of the first electrical connector 10 and the second electrical connector 20 may be the X direction, and the width direction of the first electrical connector 10 and the second electrical connector 20 may be the Y direction. The guide cylinder 11, the first power terminal 15 and the first low-voltage terminal 16 may be arranged along the length direction of the first electrical connector 10, and the first guide column 21, the second power terminal 23 and the second low-voltage terminal 24 may be arranged along the length direction of the second electrical connector 20. In this way, the guide cylinder 11, the first power terminal 15 and the first low-voltage terminal 16 may be respectively assembled with the first guide column 21, the second power terminal 23 and the second low-voltage terminal 24, so that the first electrical connector 10 and the second electrical connector 20 may be assembled correspondingly, and the size of the first electrical connector 10 and the second electrical connector 20 in the width direction may be reduced, so that the structure of the first electrical connector 10 and the second electrical connector 20 may be more compact, thereby reducing the manufacturing cost of the first electrical connector 10 and the second electrical connector 20.

[0052] According to some embodiments of the present invention, Figure 2 and Figure 4 As shown, the first electrical connector 10 may be formed with a guide hole 17 , and the guide hole 17 is used for guiding and mating with the second electrical connector 20 .

[0053] Among them, the second electrical connector 20 can be formed with a second guide column 25, and the first electrical connector 10 and the second electrical connector 20 can be accurately positioned through the guide hole 17 and the second guide column 25, so that the second guide column 25 can be accurately inserted into the guide hole 17, thereby realizing the guiding cooperation between the guide hole 17 and the second electrical connector 20, and further realizing the precise plug-in of the first electrical connector 10 and the second electrical connector 20.

[0054] The vehicle according to the embodiment of the utility model includes the first electrical connector 10 of the above embodiment, which can make the structure of the first electrical connector 10 more compact, reduce the cost and increase the efficiency of the first electrical connector 10, and save installation space inside the battery pack 30, thereby improving the utilization rate of the installation space inside the battery pack 30 and improving the overall performance of the battery pack 30.

[0055] According to the second electrical connector 20 of the embodiment of the utility model, the second electrical connector 20 is used to be assembled on the battery pack 30, and the second electrical connector 20 includes: a first guide column 21, the first guide column 21 is connected to the battery pack shell 31 of the battery pack 30, the first guide column 21 is used to guide and cooperate with the first electrical connector 10, and the first guide column 21 is also used to connect with the first electrical connector 10.

[0056] Among them, the second electrical connector 20 is used to be assembled on the battery pack 30. For example, the second electrical connector 20 and the battery pack 30 can be connected by snap-fitting, or the second electrical connector 20 and the battery pack 30 can be connected by bolts, but the utility model is not limited to this. The second electrical connector 20 and the battery pack 30 can also be connected by other means, as long as the second electrical connector 20 is assembled on the battery pack 30.

[0057] The first guide column 21 is connected to the battery pack shell 31 of the battery pack 30. For example, the first guide column 21 and the battery pack shell 31 can be snap-connected, or the first guide column 21 and the battery pack shell 31 can be bolted, but the utility model is not limited thereto, as long as the first guide column 21 is connected to the battery pack shell 31.

[0058] The first guide column 21 is suitable for being inserted into the guide cylinder 11 and suitable for being connected to the first connecting terminal 12. The guide cylinder 11 can guide the first guide column 21, so as to facilitate the first guide column 21 to be accurately connected to the first connecting terminal 12, thereby achieving an accurate matching connection between the first guide column 21 and the first connecting terminal 12, thereby improving the reliability of the first electrical connector 10 and the second electrical connector 20.

[0059] According to some embodiments of the present invention, Figure 4As shown, the second electrical connector 20 may have a second electrical connector housing 22, and the first guide column 21 is fixedly mounted on the second electrical connector housing 22. The first guide column 21 and the second electrical connector housing 22 may be connected by a snap-fit ​​connection, or the first guide column 21 and the second electrical connector housing 22 may be connected by bolts, but the utility model is not limited thereto. The first guide column 21 and the second electrical connector housing 22 may also be connected by other means, as long as the first guide column 21 is fixedly mounted on the second electrical connector housing 22. The first guide column 21 is connected to the battery pack housing 31 through the second electrical connector housing 22, and the first guide column 21 is connected to the vehicle body through the first connection terminal 12, so that the battery pack 30 is connected to the vehicle body through the first guide column 21, so as to achieve the functional effect of equal potential between the battery pack housing 31 and the vehicle body.

[0060] According to some embodiments of the present invention, Figure 4 As shown, the second electrical connector 20 further includes a second power terminal 23 and a second low-voltage terminal 24 , and both the second power terminal 23 and the second low-voltage terminal 24 are used for plugging and mating with the first electrical connector 10 .

[0061] Among them, the first power terminal 15 and the first low-voltage terminal 16 are plugged and matched with the second power terminal 23 and the second low-voltage terminal 24 respectively, so that the second power terminal 23 and the second low-voltage terminal 24 are both used for plugging and matching with the first electrical connector 10. Specifically, the first power terminal 15 and the second power terminal 23 can be correspondingly arranged so that the first power terminal 15 and the second power terminal 23 can be plugged and matched, and the first low-voltage terminal 16 and the second low-voltage terminal 24 can be correspondingly arranged so that the first low-voltage terminal 16 and the second low-voltage terminal 24 can be plugged and matched, so that the second power terminal 23 and the second low-voltage terminal 24 are both used for plugging and matching with the first electrical connector 10, thereby further realizing the communication connection, current transmission and other tasks between the battery pack 30 and the vehicle body.

[0062] According to some embodiments of the present invention, Figure 4 As shown, the first guide column 21 , the second power terminal 23 and the second low-voltage terminal 24 are arranged along the length direction of the second electrical connector 20 .

[0063] The length direction of the first electrical connector 10 and the second electrical connector 20 may be the X direction, and the width direction of the first electrical connector 10 and the second electrical connector 20 may be the Y direction. The guide cylinder 11, the first power terminal 15 and the first low-voltage terminal 16 may be arranged along the length direction of the first electrical connector 10, and the first guide column 21, the second power terminal 23 and the second low-voltage terminal 24 may be arranged along the length direction of the second electrical connector 20. In this way, the guide cylinder 11, the first power terminal 15 and the first low-voltage terminal 16 may be respectively assembled with the first guide column 21, the second power terminal 23 and the second low-voltage terminal 24, so that the first electrical connector 10 and the second electrical connector 20 may be assembled correspondingly, and the size of the first electrical connector 10 and the second electrical connector 20 in the width direction may be reduced, so that the structure of the first electrical connector 10 and the second electrical connector 20 may be more compact, thereby reducing the manufacturing cost of the first electrical connector 10 and the second electrical connector 20.

[0064] According to some embodiments of the present invention, Figure 4 As shown, the second electrical connector 20 further includes a second guide post 25 , and the second guide post 25 is used for guiding and mating with the first electrical connector 10 .

[0065] Among them, the first electrical connector 10 and the second electrical connector 20 can be accurately positioned through the guide hole 17 and the second guide column 25, so that the second guide column 25 can be accurately inserted into the guide hole 17, so that the second guide column 25 is used to guide and cooperate with the first electrical connector 10, thereby realizing the precise plug-in of the first electrical connector 10 and the second electrical connector 20.

[0066] The battery pack 30 according to the embodiment of the utility model includes the second electrical connector 20 of the above embodiment, which can make the structure of the second electrical connector 20 more compact, save installation space inside the battery pack 30, improve the utilization rate of the installation space inside the battery pack 30, and thus improve the overall performance of the battery pack 30.

[0067] The vehicle according to the embodiment of the utility model includes the battery pack 30 of the above embodiment, which can leave enough space for the vehicle and improve the overall performance of the vehicle.

[0068] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0069] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A first electrical connector, characterized in that: The first electrical connector is used to be assembled on a vehicle, and the first electrical connector includes: A guide cylinder and a first connecting terminal, wherein the first connecting terminal is arranged in the guide cylinder and is used to connect to the body of the vehicle, and the guide cylinder is used to guide and cooperate with a second electrical connector, and the first connecting terminal is used to connect to the second electrical connector.

2. The first electrical connector according to claim 1, characterized in that: The first connecting terminal is fixed to the guide cylinder.

3. The first electrical connector according to claim 1, characterized in that: The first connecting terminal is configured as a torsion spring structure.

4. The first electrical connector according to claim 3, characterized in that: The first connecting terminal is annular to form a fitting hole for fitting the second electrical connector.

5. The first electrical connector according to claim 1, characterized in that: The first electrical connector has a first electrical connector housing, and a portion of the first electrical connector housing is configured as the guide cylinder.

6. The first electrical connector according to any one of claims 1 to 5, characterized in that: The first electrical connector further includes: a first power terminal and a first low-voltage terminal, and both the first power terminal and the first low-voltage terminal are used for plugging and mating with the second electrical connector.

7. The first electrical connector according to claim 6, characterized in that: The guide cylinder, the first power terminal and the first low-voltage terminal are arranged along the length direction of the first electrical connector.

8. The first electrical connector according to any one of claims 1 to 5, characterized in that: The first electrical connector is formed with a guide hole, and the guide hole is used for guiding and matching with the second electrical connector.

9. A vehicle, characterized in that: Comprising a first electrical connector according to any one of claims 1-8.

10. A second electrical connector, characterized in that: The second electrical connector is used to be assembled on the battery pack, and the second electrical connector includes: A first guide post, wherein the first guide post is used to connect to a battery pack housing of the battery pack, the first guide post is used to guide and cooperate with a first electrical connector, and the first guide post is also used to connect to the first electrical connector.

11. The second electrical connector according to claim 10, characterized in that: The second electrical connector has a second electrical connector housing, the first guide post is fixed to the second electrical connector housing, and the first guide post is connected to the battery pack housing through the second electrical connector housing.

12. The second electrical connector according to claim 10 or 11, characterized in that: The second electrical connector further includes a second power terminal and a second low-voltage terminal, and both the second power terminal and the second low-voltage terminal are used for plugging and mating with the first electrical connector.

13. The second electrical connector according to claim 12, characterized in that: The first guide pillar, the second power terminal and the second low-voltage terminal are arranged along the length direction of the second electrical connector.

14. The second electrical connector according to claim 10 or 11, characterized in that: The second electrical connector further includes a second guide post, and the second guide post is used for guiding and mating with the first electrical connector.

15. A battery pack, characterized in that: Comprising a second electrical connector according to any one of claims 10-14.

16. A vehicle, characterized in that: Comprising the battery pack according to claim 15.

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