Power conversion connector

Abstract

The utility model discloses a power conversion connector in the field of new energy connectors, which comprises a connector socket, the connector socket comprises a first base and a pressing plate, a socket shell is mounted in a cavity formed by the first base and the pressing plate, and the socket shell has a movable degree of freedom in a space; the connector plug comprises a second base, and the surface of the second base axially extends to form a plug shell; the first terminal assembly is arranged on the connector socket; the second terminal assembly is arranged on the connector plug; the plug shell and the socket shell are connected in an inserted mode, so that the plug shell has the moving freedom degree in the space, and the first terminal assembly and the second terminal assembly are in butt joint; after the connector is combined, the plug shell also has a motion freedom degree in a space, so that the connector has certain adjustment toughness when the electric conversion connector is plugged and matched, the connector cannot be damaged due to an operation error during installation, and the device is ingenious in design and high in practicability.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of new energy connector, and in particular to a battery swap connector. BACKGROUND

[0002] Since the domestic new energy electric vehicles have been popular in people's life, the low charging efficiency of electric vehicles has become a big problem that troubles people. In order to solve the problem of charging difficulty of electric vehicles, the fast battery swap system emerges as the times require, and the battery swap connector as an important part of the fast battery swap system is more and more widely used in electric vehicles.

[0003] And the pure electric heavy truck is often used in harsh environment due to its high working intensity, and the existing battery charging technology of heavy truck has low charging efficiency and is difficult to work continuously for a long time. At the same time, it is difficult to establish a heavy truck charging station, and the battery needs to be replaced frequently. At this time, the connector may be subjected to external force during use, and the plug assembly in the connector is easy to wear after long-term use. The existing replacement method needs to disassemble the connector main body, which is difficult to operate and time-consuming and laborious. Based on the above problems, people have higher requirements for the function of the battery swap connector. CONTENT OF THE INVENTION

[0004] The purpose of the present application is to provide a battery swap connector to solve the problem that the connector may be subjected to torque load when in use in the prior art, which will accelerate the damage of the connector over time.

[0005] To solve the above technical problems, the present application is realized by the following technical scheme:

[0006] A battery swap connector, comprising

[0007] The connector socket comprises a first base and a pressing plate, a socket shell is installed in the cavity formed by the first base and the pressing plate, and the socket shell has a free degree of movement in space;

[0008] The connector plug comprises a second base, a plug shell extends axially on the surface of the second base, and a quick change assembly for replacing the plug assembly is detachably installed in the plug shell;

[0009] A first terminal assembly is arranged on the connector socket;

[0010] A second terminal assembly is arranged on the connector plug;

[0011] The plug shell and the socket shell are plugged together, so that the plug shell has a free degree of movement in space, and the first terminal assembly and the second terminal assembly are connected.

[0012] Further, the first base and the pressing plate form a cavity, and the cavity is provided with a first buffer assembly and a second buffer assembly, the first buffer assembly has a movement freedom degree in the horizontal direction of the first base, and the second buffer assembly has a movement freedom degree in the vertical direction of the cavity;

[0013] The first buffer assembly is arranged horizontally in the cavity, and one side of the first buffer assembly is connected to the socket shell, and the other side of the first buffer assembly is connected to the second buffer assembly, and the second buffer assembly is elastically arranged at the bottom of the cavity.

[0014] Further, the first buffer assembly includes N tension springs, and the N tension springs are arranged at the side of the socket shell, one end of each of the tension springs is fixed to the socket shell, and the other end of each of the tension springs is fixed to the second buffer assembly.

[0015] Further, the second buffer assembly includes a first floating member, a second floating member, and a compression spring, and the first floating member and the second floating member are fixedly arranged at intervals.

[0016] The first floating member and the second floating member are arranged at intervals in the cavity, the compression spring is connected between the second floating member and the bottom of the cavity, the tension spring is arranged between the first floating member and the second floating member, and the other end of the tension spring is fixed to the second floating member.

[0017] Further, the second buffer assembly further includes at least two first guide members, the first guide members are fixedly arranged at intervals at the bottom of the cavity, and the second floating member is arranged in a guide hole in a matching mode.

[0018] Further, the second buffer assembly further includes at least two pairs of second guide members and third guide members which are used in a matching mode.

[0019] The second guide members are arranged at the side of the socket shell, the third guide members are arranged at the side of the second base, and the third guide members and the second guide members are in one-to-one correspondence.

[0020] Further, the surface of the third guide member is provided with a plurality of convex structures.

[0021] Further, the first terminal assembly includes a signal female terminal and a first cable.

[0022] The signal female terminal is fixed in the socket shell, and the first cable is connected to the side of the socket shell which is away from the signal female terminal.

[0023] Further, the second terminal assembly includes a signal male terminal and a second cable.

[0024] The signal male terminal is fixed in the plug shell, and the second cable is connected to the side of the plug shell away from the signal male terminal.

[0025] Further, the quick-change assembly comprises an upper insulating plate, a bushing assembly, and a middle insulating plate, the upper insulating plate is provided with a first elastic buckle at the edge, the middle insulating plate is provided with a second buckle, the bushing assembly is arranged in the cylinder on the surface of the upper insulating plate, and the first buckle is fixed with the second buckle.

[0026] Preferably, a gasket is further arranged between the socket shell and the pressing plate, and the gasket has the functions of dustproof and waterproof.

[0027] Compared with the prior art, the application has the following beneficial effects:

[0028] In use, the socket shell and the plug shell are combined to complete the installation of the connector, the socket shell has the freedom of movement in space, and the combined plug shell also has the freedom of movement in space, so that the connector has certain adjustment flexibility when the battery replacement connector is combined and matched, and the connector will not be damaged due to the operation error in the installation process.

[0029] In addition, the device is designed with a first buffer assembly and a second buffer assembly, and the two assemblies are independently controlled in the horizontal direction and the vertical direction of the socket shell body, so that even if a single buffer assembly is damaged, the buffer performance can be guaranteed in the other direction, the emergency of the device is enhanced, and the maintenance cost of the device is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 The drawings are combined with the embodiments of the application.

[0031] Figure 2 The drawings are combined with the embodiments of the application.

[0032] Figure 3 The drawings are combined with the embodiments of the application.

[0033] Figure 4 The drawings are combined with the embodiments of the application.

[0034] Figure 5 The drawings are combined with the embodiments of the application. Figure 4 The drawings are combined with the embodiments of the application.

[0035] Figure 6 The drawings are combined with the embodiments of the application.

[0036] Figure 7Figure 8 is a bottom view of the connector socket in the embodiment of the present application;

[0037] Figure 8 Figure 9 is a front view of the connector socket in the embodiment of the present application; Figure 7 Figure 10 is a sectional view in the D-D direction of the connector socket in the embodiment of the present application;

[0038] Figure 9 Figure 11 is a top view of the connector plug in the embodiment of the present application

[0039] Figure 10 Figure 12 is a front view of the connector plug in the embodiment of the present application; Figure 9 Figure 13 is a sectional view in the F-F direction of the connector plug in the embodiment of the present application;

[0040] Figure 11 Figure 14 is a structural schematic view of the quick-change assembly in the embodiment of the present application;

[0041] Figure 12 Figure 15 is an exploded schematic view of the quick-change assembly in the embodiment of the present application;

[0042] Figure 16 is a sectional view of the connector socket in the embodiment of the present application;

[0043] 1 connector socket; 1-1 pressure plate; 1-2 first base; 9 socket housing; 10 quick-change assembly, 19, DC 1 / 2 pin terminal, 20 pin insulating cap; 24 inner shielding ring; 25 outer shielding ring; 32 first floating piece; 320 second floating piece; 33 spring fixing pin; 34 tension spring 37 washer; 41 compression spring; 44 first guide piece; 42 rivet positioning pin; 43 spring fixing pin; 47 elastic retainer;

[0044] 2 connector plug; 2-1 second base; plug housing 2-2; 81 third guide piece;

[0045] 3 first terminal assembly; 21 first cable; 28 signal female terminal;

[0046] 4 second terminal assembly; 71 second cable; 72 cable sealing ring; 74 signal male terminal; 77 signal terminal sealing ring

[0047] 101 upper insulating plate; 102 middle insulating plate; 103, PE insulating sleeve; 104, DC DC 1 / 2 insulating sleeve; 105, DC 3 insulating sleeve; 1011 first buckle; 1021 second buckle. DETAILED DESCRIPTION

[0048] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use.

[0049] Reference is made to the drawings Figures 1 to 3The embodiment discloses a battery replacement connector which comprises a connector socket 1, a connector plug 2, a first terminal assembly 3, and a second terminal assembly 4. The connector socket 1 comprises a first base 1-2 and a pressing plate 1-1, and a socket shell 9 is mounted in a cavity formed by the first base 1-2 and the pressing plate 1-1, and the socket shell 9 has a free movement in a space. The connector plug 2 comprises a second base 2-1, and a plug shell 2-2 extends axially on the surface of the second base 2-1. The first terminal assembly 3 is arranged on the socket shell 9, and the second terminal assembly 4 is arranged on the plug shell 2-2. The plug shell 2-2 is inserted into the socket shell 9, so that the plug shell 2-2 has a free movement in the space, and the first terminal assembly 3 and the second terminal assembly 4 are connected.

[0050] In use, the plug shell 2-2 and the socket shell 9 are relatively inserted together, at this time, the first terminal assembly 3 and the second terminal assembly 4 are connected together, at this time, the battery replacement connector can be powered on for a battery or an electric device. Since the socket shell 9 on the connector socket 1 has a free space, the plug shell 2-2 and the entire connector plug 2 can move at this time. In frequent plugging and unplugging operations, the movable socket shell 9 and the plug shell 2-2 greatly reduce the possibility of damage of parts under external force, and prolong the service life.

[0051] In the embodiment, the first buffer assembly and the second buffer assembly are used to realize the free movement of the socket shell 9. The first buffer assembly and the second buffer assembly are mounted in the cavity formed by the first base 1-2 and the pressing plate 1-1. The first buffer assembly has a movement freedom in the plane direction of the first base 1-2, and the second buffer assembly has a movement freedom in the height direction of the cavity. It should be noted that the design of the two buffer assemblies can enhance the adaptability and emergency capability of the device. The probability of simultaneous damage of the two buffer assemblies is extremely small. The first buffer assembly is horizontally arranged in the cavity, and one side is connected with the socket shell 9, and the other side is connected with the second buffer assembly. The second buffer assembly is elastically mounted at the bottom of the cavity.

[0052] Reference is made to the accompanying drawings Figures 5 to 8 As shown in the drawings, the specific structure of the first buffer assembly and the second buffer assembly in the embodiment is shown. The first buffer assembly is composed of a plurality of tension springs 34. In the embodiment, four tension springs 34 are arrayed on the side of the socket shell 9. One end of each tension spring 34 is fixed to the socket shell 9, and the other end is fixed to the second buffer assembly.

[0053] The second buffer assembly comprises a first floating piece 32, a second floating piece 320, and a compression spring 41. The first floating piece 32 and the second floating piece 320 are fixedly separated by a riveting positioning pin 42. The socket shell 9 can move in the horizontal direction between the two floating pieces and be reset under the action of the tension spring 34.

[0054] The first floating member 32 and the second floating member 320 are arranged in the cavity in an up-down direction, the compression spring 41 is connected between the second floating member 320 and the bottom of the cavity, the extension spring 34 is arranged between the first floating member 32 and the second floating member 320, and the second floating member 320 and the other end of the extension spring 34 are fixedly connected. Here, the spring fixing pin 33 is arranged on the shell 9 and the first floating member 32, which facilitates the installation of the extension spring 34. The compression spring 41 is arranged in a vertical direction to reset the socket shell 9.

[0055] Please continue to observe the attached Figure 8 In order to ensure the stability of the movement of the first floating member 32 and the second floating member 320, two first guide members 44 are arranged on the bottom of the cavity, the two first guide members 44 are fixedly arranged on the bottom of the cavity, the second floating member 320 is provided with a guide hole matched thereon, and one end of the first guide member 44 penetrates the guide hole.

[0056] Please refer to the attached Figure 2 , 3 , 4, in order to ensure the quick insertion of the plug shell 2-2 and the socket shell 9, the plug shell 2-2 and the socket shell 9 are also used in the embodiment, the second guide member 8 is distributedly arranged on the edge of the socket shell 9, the third guide member 81 is distributedly arranged on the edge of the second base 2-1, and the third guide member 81 and the second guide member 8 are one-to-one matched. Here, the third guide member 81 is a guide sleeve, and the second guide member 8 is a guide pin. Further, in order to reduce the shaking when the connector socket 1 and the connector plug 2 are inserted, a plurality of protruding structures 8-1 are uniformly arranged on the surface of the guide pin.

[0057] Please refer to the attached Figures 5 to 8 In the embodiment, the first terminal assembly 3 includes a signal female terminal 28 and a first cable 21, and a DC1 / 2 pin terminal. The signal female terminal 28 is fixedly arranged in the middle of the socket shell 9, the DC1 / 2 pin terminal 19 is fixedly arranged on the edge of the middle of the socket shell 9 through the elastic retaining ring 47, and the DC1 / 2 pin terminal 19 is provided with a retaining ring mounting groove structure. During installation, the elastic retaining ring 47 is sunk into the groove to fix the position of the DC1 / 2 pin terminal 19. The first cable 21 is fixedly arranged on the edge of the socket shell 9, and the surface of the first cable 21 is crimped with an inner shielding ring 24 and an outer shielding ring 25. The outer shielding ring 25 prevents the electric field and magnetic field generated by the current from affecting the external equipment and human body.

[0058] Please observe the attached Figure 9 and 10The second terminal assembly 4 in the embodiment includes a signal male terminal 74 fixed to the plug shell 2-2 and matched with a signal female terminal 28, and a second cable 71 fixed to the side of the plug shell 2-2 and provided with a cable sealing ring 72 pressed thereon. The signal female terminal 28 and the signal male terminal 74 are both provided with a signal terminal sealing ring 77. It should be noted that other structures of the first terminal assembly 3 and the second terminal assembly 4 are conventional prior art and will not be described herein.

[0059] Reference is made to the accompanying drawings Figure 11 and 12 The quick-change assembly 10 in the embodiment includes an upper insulating plate 101 and a sleeve assembly (the signal male terminal 74) and a middle insulating plate 102. The sleeve assembly includes a PE sleeve 103, a DCDC1 / 2 sleeve 104 and a DC3 sleeve 105. The three sleeves are pressed into the cylinder on the surface of the upper insulating plate 101 by a crown spring. The side of the upper insulating plate 101 is provided with a first clasp 1011, and the middle insulating plate 102 is provided with a second clasp 1021. The sleeve assembly is arranged in the cylinder on the surface of the upper insulating plate 101, and the first clasp 1011 is clamped and fixed with the second clasp 1021. The upper insulating plate 101 is fixed in the plug shell 2-2 by a bolt.

[0060] In specific use,

[0061] When the sleeve assembly needs to be replaced, the bolt is disassembled, and the entire quick-change assembly 10 is taken out. The first clasp 1011 is manually separated from the second clasp 1021. At this time, each sleeve can be quickly taken out, and a new sleeve is pressed and assembled. The first clasp 1011 is clamped and fixed with the second clasp 1021, and the upper insulating plate 10 is fixed by a bolt.

[0062] On the other hand, the operator holds the connector plug 2 to move towards the connector socket 1, so that the third guide 81 moves along the second guide 8 until the plug shell 2-2 and the socket shell 9 are precisely inserted. In the process, the signal male terminal 74 and the signal female terminal 28 are matched and combined. The structure of the socket shell 9 in the connector is in a floating state. The socket shell 9 realizes the movement degree in the horizontal plane X-Y axis direction (the movement degree in the horizontal plane X-Y axis direction) through the four extension springs 34 in the first buffer assembly, and realizes the movement degree in the cavity height direction (the movement degree in the Z axis direction) through the compression spring 41 in the second buffer assembly. The movement of the socket shell 9 in space can be automatically reset under the action of the extension spring 34 and / or the compression spring 41. The plug shell 2-2 combined with the socket shell 9 also has a space movement degree. When the connector is used, the connector has a certain adjustment space during insertion and pairing, and will not be damaged due to the operation error during installation.

[0063] It is apparent that the application can be carried out in other specific ways than those herein set forth without departing from the essential characteristics of the application. The above embodiments are therefore to be construed in all aspects as illustrative and not restrictive. It is therefore intended that the application not be limited to the specific embodiments set forth herein, but that it include all changes coming within the scope of the claims.

Claims

1. A battery swapping connector, characterized in that, include A connector socket (1) includes a first base (1-2) and a pressure plate (1-1), wherein a socket housing (9) is installed in the cavity formed by the first base (1-2) and the pressure plate (1-1). A connector plug (2) includes a second base (2-1), wherein a plug housing (2-2) extends axially from the surface of the second base (2-1), and a quick-change assembly (10) for replacing the socket assembly is detachably installed in the plug housing (2-2). A first terminal assembly (3) is disposed on the connector socket (1); The second terminal assembly (4) is disposed on the connector plug (2).

2. The battery swapping connector according to claim 1, characterized in that, A first buffer assembly and a second buffer assembly are installed in the cavity formed by the first base (1-2) and the pressure plate (1-1). The first buffer assembly has a degree of freedom of movement in the plane direction of the first base (1-2), and the second buffer assembly has a degree of freedom of movement in the height direction of the cavity. The first buffer assembly is horizontally arranged in the cavity, and one side is connected to the socket housing (9), and the other side is connected to the second buffer assembly. The second buffer assembly is elastically installed at the bottom of the cavity.

3. The battery swapping connector according to claim 2, characterized in that, The first buffer assembly includes N tension springs (34), and the N tension springs (34) are arranged in an array on the side of the socket housing (9). One end of each tension spring (34) is fixed to the socket housing (9), and the other end is fixed to the second buffer assembly.

4. The battery swapping connector according to claim 3, characterized in that, The second buffer assembly includes a first floating element (32) and a second floating element (320) and a compression spring (41), wherein the first floating element (32) and the second floating element (320) are fixedly spaced apart; The first floating member (32) and the second floating member (320) are arranged parallel to each other in the cavity. The compression spring (41) is connected to the second floating member (320) and the bottom of the cavity. The tension spring (34) is placed between the first floating member (32) and the second floating member (320), and the other end of the second floating member (320) and the tension spring (34) are fixedly connected.

5. The battery swapping connector according to claim 4, characterized in that, The second buffer assembly also includes at least two first guide members (44), a plurality of first guide members (44) are fixed at intervals to the bottom of the cavity, and the second floating member (320) is provided with guide holes, one end of the first guide member (44) protruding through the guide holes.

6. The battery swapping connector according to claim 1, characterized in that, It also includes at least two pairs of second guide members (8) and third guide members (81) used in conjunction. The second guide (8) is located on the side of the socket housing (9), and the third guide (81) is located on the side of the second base (2-1). The third guide (81) and the second guide (8) correspond to each other.

7. The battery swapping connector according to claim 6, characterized in that, The surface of the third guide member (81) is provided with several protruding structures (8-1).

8. The battery swapping connector according to claim 1, characterized in that, The first terminal assembly (3) includes a signal female terminal (28) and a first cable (21); The signal female terminal (28) is fixed inside the socket housing (9), and the first cable (21) is connected to the side of the socket housing (9) away from the signal female terminal (28).

9. The battery swapping connector according to claim 1, characterized in that, The second terminal assembly (4) includes a signal male terminal (74) and a second cable (71); The signal male terminal (74) is fixed inside the plug housing (2-2), and the second cable (71) is connected to the side of the plug housing (2-2) away from the signal male terminal (74).

10. The battery swapping connector according to claim 1, characterized in that, The quick-change assembly (10) includes an upper insulating plate (101), a plug assembly, and a middle insulating plate (102). The upper insulating plate (101) has a first elastic buckle (1011) on its side, and the middle insulating plate (102) is provided with a second buckle (1021). The plug assembly is placed inside a cylindrical part on the surface of the upper insulating plate (101), and the first buckle (1011) and the second buckle (1021) are engaged and fixed.

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