ELECTRICAL POWER TRANSMISSION CONNECTION MECHANISM, CHARGING OUTLET AND MOTOR VEHICLE

Abstract

This disclosure provides a connection mechanism for electric power transmission, a charging socket, and a motor vehicle. The electric power transmission connection mechanism comprises: a first flat belt and a second flat belt stacked vertically, a first electrical device and a second electrical device positioned side by side, a first terminal connecting the first flat belt and the first electrical device, and a second terminal connecting the second flat belt and the second electrical device. The electric power transmission connection mechanism has a simple and economical structure, and it can make the connection between the flat belts and the electrical devices more convenient.

Description

A power transmission connection mechanism, a charging socket and a motor vehicle

[0001] This application claims priority to the Chinese patent filed on December 30, 2021, application number 202123414851.5, entitled "A power transmission connection mechanism, a charging socket and a motor vehicle", and all contents of the patent are incorporated herein in their entirety. Technical Field

[0002] The present application relates to the field of electric energy transmission, and in particular to an electric energy transmission connection mechanism, a charging socket and a motor vehicle. Background Art

[0003] Currently in the field of electric energy transmission, there are many occasions where large currents need to be conducted. For example, the charging cables used in electric vehicles need to conduct large currents to charge the batteries of electric vehicles. When a large current passes through the cable, a large electromagnetic field will be generated, causing electromagnetic interference to the use of other electrical facilities. Currently, shielding mechanisms are added to cables and connecting devices to shield the electromagnetic interference generated in the cables.

[0004] In some cases, stacked flat ribbons can be used as cables for conducting current. The stacked flat ribbons will cancel out the electromagnetic fields generated by each other, so that the electromagnetic interference generated by the cables and connectors can be reduced without setting up a shielding mechanism, thereby achieving the purpose of reducing costs and optimizing the cable structure. However, the electrical devices connected to the stacked flat ribbons are generally placed side by side at different connection angles and cannot be directly connected.

[0005] Therefore, there is an urgent need for an electric energy transmission mechanism between a connecting cable and an electrical device, which can save costs while also achieving the purpose of connecting the stacked flat belts and the electrical devices placed side by side.

[0006] Summary of the Invention

[0007] The purpose of this application is to provide an electric energy transmission connection mechanism, which has a simple structure, saves costs, and can make the transfer between the flat belt and the electrical device more convenient.

[0008] The above-mentioned purpose of the present application can be achieved by adopting the following technical solutions: an electric energy transmission connection mechanism, comprising a first flat belt and a second flat belt stacked up and down, a first electrical device and a second electrical device placed side by side, and a first terminal connecting the first flat belt and the first electrical device, and a second terminal connecting the second flat belt and the second electrical device.

[0009] In a preferred embodiment, the first terminal includes a first connecting portion at least partially connected to the first flat strip, and a first contact portion at least partially connected to the first electrical device; the second terminal includes a second connecting portion at least partially connected to the second flat strip, and a second contact portion at least partially connected to the second electrical device; the first connecting portion and the second connecting portion are arranged opposite to each other.

[0010] In a preferred embodiment, the invention further comprises a first reinforcement terminal and a second reinforcement terminal, wherein the first reinforcement terminal is connected to the first terminal in a stacked manner, and the second terminal is connected to the second reinforcement terminal in a stacked manner.

[0011] In a preferred embodiment, the first reinforcement terminal has a structure matching the first bending portion and the first contact portion of the first terminal, and the second reinforcement terminal has a structure matching the second bending portion and the second contact portion of the second terminal.

[0012] The present application also provides a charging socket, which includes the power transmission connection mechanism described in any one of the above items.

[0013] The present application also provides a motor vehicle, which includes any one of the above-mentioned power transmission connection mechanisms or the above-mentioned charging socket.

[0014] The features and advantages of this application are:

[0015] The first flat belt and the second flat belt of the power transmission mechanism are stacked up and down, and the purpose of avoiding electromagnetic interference can be achieved without adding a shielding structure; in addition, the use of the first terminal and the second terminal can make connections in different directions according to the different connection angles of the cable and the electrical device; the use of the first reinforced terminal and the second reinforced terminal can increase the current carrying capacity of the cable output, and can better achieve electrical connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] FIG1 is a schematic diagram of the structure of the power transmission mechanism of the present application;

[0018] Figure 2 is a schematic diagram of the connection structure between the flat belt and the terminal of the present application;

[0019] Figure 3 is a schematic diagram of the terminal structure of this application;

[0020] Figure 4 is a schematic diagram of the flat strip and terminal injection molding structure of the present application;

[0021] Figure 5 is a schematic diagram of the flat belt structure of this application;

[0022] Figure 6 is a schematic diagram of the flat strip and terminal injection molding structure of the present application;

[0023] FIG7 is a schematic diagram of the spring connection structure of the power transmission structure of the present application. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0025] The above are only a few embodiments of the present application. Those skilled in the art may make various changes or modifications to the embodiments of the present application based on the contents disclosed in the application documents without departing from the spirit and scope of the present application. It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore should not be understood as limiting the present invention.

[0026] In one embodiment, as shown in Figures 1 to 4, the present application provides an electric energy transmission connection mechanism, comprising a first flat ribbon 5 and a second flat ribbon 6 stacked one above the other, a first electrical device 3 and a second electrical device 4 placed side by side, and a first terminal 1 connecting the first flat ribbon 5 and the first electrical device 3, and a second terminal 2 connecting the second flat ribbon 6 and the second electrical device 4. The first electrical device 3 and the second electrical device 4 are generally arranged side by side, and the first flat ribbon 5 and the second flat ribbon 6 are arranged stacked one above the other, so the first terminal 1 and the second terminal 2 are required for connection to achieve electrical connection of the electric energy transmission structure. The first flat ribbon 5 and the second flat ribbon 6 are stacked one above the other and are arranged at an appropriate distance apart, which can effectively reduce the electromagnetic interference caused to other components by the electric energy transmission system after the power is energized. During the high-current charging process, the electric energy transmission structure has excellent conductivity, light weight, low cost, can avoid electromagnetic interference, and has a simple structure and is easy to assemble.

[0027] When the first flat belt 5 and the second flat belt 6 are stacked one on top of the other, their magnetic field is strongest at the part with the largest area. By stacking them, the magnetic fields of the positive and negative charging flat belts can be offset (because the currents in the two power transmission rails are the same in magnitude but opposite in direction A, the induced magnetic field strengths are the same but opposite in direction), thereby eliminating electromagnetic interference to other electrical devices when the power transmission connection mechanism is energized.

[0028] Preferably, the first flat belt 5 and the second flat belt 6 are parallel to each other in the width direction. The distance between the two first flat belts 5 and the second flat belt 6 is vertically H, and the preferred distance is less than or equal to 7 cm, and can be 7 cm, 6 cm, 5 cm, 1 cm, 0.5 cm, 0.1 cm, 0.05 cm, etc.

[0029] In one embodiment, as shown in Figures 2 and 3, during the specific connection process, the first terminal 1 includes a first connecting portion 11 that is at least partially connected to the first flat strip 5, and a first contact portion 12 that is at least partially connected to the first electrical device 3; the second terminal 2 includes a second connecting portion 21 that is at least partially connected to the second flat strip 6, and a second contact portion 22 that is at least partially connected to the second electrical device 4; the first connecting portion 11 and the second connecting portion 21 are arranged opposite each other. The first connecting portion 11 of the first terminal 1 is at least partially electrically connected to the first flat strip 5, and the first contact portion 12 is electrically connected to the first electrical device 3. The second connecting portion 21 of the second terminal 2 is at least partially electrically connected to the second flat strip 6, and the second contact portion 22 is electrically connected to the second electrical device 4.

[0030] In one embodiment, as shown in FIG3 , the first connection portion 11 and the second connection portion 21 are symmetrical in shape.

[0031] In one embodiment, as shown in Figures 2 and 5, the first flat strip 5 and the second flat strip 6 are covered with an insulating layer 9, and a first flat strip connecting portion 51 is provided at one end of the first flat strip 5, and the first flat strip connecting portion 51 is at least partially electrically connected to at least a portion of the first connecting portion 11; a second flat strip connecting portion 52 is provided at one end of the second flat strip 6, and the second flat strip connecting portion 52 is at least partially electrically connected to at least a portion of the second connecting portion 21.

[0032] Regarding the connection method, the connection method between the first flat belt connection part 51 of the first flat belt 5 and the first connection part 11, and the connection method between the second flat belt connection part 52 of the second flat belt 6 and the second connection part 21 can be one or more of resistance welding, friction welding, ultrasonic welding, arc welding, laser welding, electron beam welding, pressure diffusion welding, and magnetic induction welding.

[0033] Resistance welding refers to a method of welding that uses a strong current to pass through the contact point between the electrode and the workpiece, generating heat due to the contact resistance.

[0034] Friction welding refers to a method of welding that uses the heat generated by friction between the contact surfaces of the workpieces as a heat source to cause the workpieces to undergo plastic deformation under pressure.

[0035] Ultrasonic welding uses high-frequency vibration waves to transmit to the surfaces of two objects to be welded. Under pressure, the two surfaces of the objects rub against each other to form a fusion between the molecular layers.

[0036] Arc welding refers to the use of electric arc as a heat source and the physical phenomenon of air discharge to convert electrical energy into the thermal energy and mechanical energy required for welding, thereby achieving the purpose of connecting metals. The main methods include arc welding, submerged arc welding, gas shielded welding, etc.

[0037] Laser welding is an efficient and precise welding method that uses a high-energy-density laser beam as a heat source.

[0038] Electron beam welding refers to the use of accelerated and focused electron beams to bombard the welding surface placed in a vacuum or non-vacuum, melting the workpiece to achieve welding.

[0039] Pressure welding is a method of applying pressure to the weldment to bring the joint surfaces into close contact and produce a certain amount of plastic deformation to complete the welding.

[0040] Diffusion welding refers to a solid-state welding method in which the workpiece is pressurized at high temperature without causing visible deformation or relative movement.

[0041] Magnetic induction welding involves the instantaneous, high-speed collision of two workpieces under the influence of a strong pulsed magnetic field. The high pressure waves on the surfaces of the materials cause the atoms of the two materials to meet within the interatomic distance, forming a stable metallurgical bond at the interface. This is a form of solid-state cold welding that can join conductive metals with similar or dissimilar properties.

[0042] Crimping involves assembling the connector end and the connecting surface, then using a crimping machine to press the two together. The advantage of crimping is its high production efficiency. Automatic crimping machines allow for rapid, high-quality production.

[0043] Through the above connection methods, an appropriate connection method or combination of connection methods can be selected according to the actual use environment to achieve effective electrical connection.

[0044] In one embodiment, as shown in FIG5 , the first flat belt connecting portion 51 includes a first upper plane and a first lower plane, and the second flat belt connecting portion 52 includes a second upper plane and a second lower plane, wherein the first lower plane is adjacent to the second upper plane, and at least a portion of the first upper plane is electrically connected to at least a portion of the first connecting portion 11, and at least a portion of the second lower plane is electrically connected to at least a portion of the second connecting portion 21. Because the first flat belt 5 and the second flat belt 6 are stacked one above the other, the first upper plane is connected to the first connecting portion 11, and the second lower plane is connected to the second connecting portion 21, making the relative connection more convenient and quick.

[0045] In one embodiment, as shown in Figure 3, at least one first bending portion 13 is provided between the first connecting portion 11 and the first contact portion 12, and the first connecting portion 11 and the first contact portion 12 are located in different planes. At least one second bending portion 23 is provided between the second connecting portion 21 and the second contact portion 22, and the second connecting portion 21 and the second contact portion 22 are located in different planes. The angle between the planes where the first connecting portion 11 and the first contact portion 12 are located is 0°-180°, and the angle between the planes where the second connecting portion 21 and the second contact portion 22 are located is between 0°-180°.

[0046] By providing the first bending portion 13 and the second bending portion 23, respectively, by different bending angles, it is finally possible to ensure that the first contact portion 12 and the second contact portion 22 are in the same plane, so that after the first flat belt 5 and the second flat belt 6 stacked on top of each other are connected to the first electrical device 3 and the second electrical device 4, it is possible to ensure that the first electrical device 3 and the second electrical device 4 can be in the same plane to achieve the function of switching. In one embodiment, the angle between the plane where the first connecting portion 11 and the first contact portion 12 are located is 0°-180°. The bending angle is between 0°-180° to facilitate the requirements of the first electrical device 3 and the electrical plane of the first electrical device 3 in different directions. In other embodiments, due to space limitations or requirements for other wire outlet directions, the angle between the plane where the first connecting portion 11 and the first contact portion 12, and the angle between the plane where the second connecting portion 21 and the second contact portion 22 are located can be changed.

[0047] In one embodiment, the angle between the inner sides of the first connecting portion 11 and the first contact portion 12 connected to the first bending portion 13 and projected on the plane of the first connecting portion 11, and the angle between the inner sides of the second connecting portion 21 and the second contact portion 22 connected to the second bending portion 23 and projected on the plane of the second connecting portion 21 are complementary angles.

[0048] During assembly of the power transmission mechanism, when the first and second electrical devices 3 and 4 are staggeredly connected to the stacked first and second flat ribbons 5 and 6, the angle between the inner sides of the first connecting portion 11 and the first contact portion 12 of the first terminal 1 can be an obtuse angle, for example, 120°. Then, the angle between the inner sides of the second connecting portion 21 and the second contact portion 22 of the second terminal 2 can be 60°. The angles on the projection plane are complementary to each other. As shown in FIG3 , each angle is 90°.

[0049] In one embodiment, as shown in FIG. 2 to FIG. 4 , a first reinforced terminal 7 and a second reinforced terminal 8 are further included. The first reinforced terminal 7 is connected to the first terminal 1 in a stacked manner, and the second terminal 2 is connected to the second reinforced terminal 8 in a stacked manner.

[0050] The first reinforced terminal 7 and the first terminal 1 are stacked and connected vertically, and the second reinforced terminal 8 and the second terminal 2 are stacked and connected vertically. Connection methods include resistance welding, friction welding, ultrasonic welding, arc welding, laser welding, electron beam welding, pressure diffusion welding, magnetic induction welding, or crimping. Alternatively, the terminals may be stacked first and then not connected, and then bolted together.

[0051] In one embodiment, as shown in Figure 3, the first reinforced terminal 7 has a structure that matches the first bending portion 13 and the first contact portion 12 of the first terminal 1, and the second reinforced terminal 8 has a structure that matches the second bending portion 23 and the second contact portion 22 of the second terminal 2.

[0052] The first reinforced terminal 7 also has a bending area and a contact area that match the first terminal 1 , and the second reinforced terminal 8 also has a bending area and a contact area that match the second terminal 2 , thereby ensuring a good electrical connection.

[0053] In one embodiment, as shown in Figure 5, the first flat strip connecting portion 51 includes a first end surface 53, and one end of the first reinforcement terminal 7 abuts against the first end surface 53; the second flat strip connecting portion 52 includes a second end surface 54, and one end of the second reinforcement terminal 8 abuts against the second end surface 54.

[0054] As shown in FIG2 , the first reinforced terminal 7 is connected to the first terminal 1 and abuts against the first flat belt 5 , and the second reinforced terminal 8 is connected to the second terminal 2 and abuts against the second flat belt 6 , which can ensure better power transmission.

[0055] The material of the first terminal 1 and the second terminal 2 includes one or more of nickel, cadmium, zirconium, chromium, cobalt, manganese, aluminum, tin, titanium, zinc, copper, silver, gold, phosphorus, tellurium, beryllium, and lead.

[0056] The material of the first transfer terminal and the second transfer terminal includes one or more of nickel, cadmium, zirconium, chromium, cobalt, manganese, aluminum, tin, titanium, zinc, copper, silver, gold, phosphorus, tellurium, beryllium, and lead.

[0057] In one embodiment, the first terminal 1 is formed by stamping, cutting, bending or machining a plate, and the second terminal 2 is formed by stamping, cutting, bending or machining a plate.

[0058] The first terminal 1, the second terminal 2, the first reinforced terminal 7 and the second reinforced terminal 8 are formed by stamping, cutting, bending or machining of sheet metal. Forming by sheet metal processing is a relatively simple and mature process in the current metal processing technology, and sheet metal is also one of the easily available materials. If the shape is not complicated, the waste generated by the sheet metal processing technology is much less than the waste generated by turning, milling and other processing technologies, and it is one of the production processes with a higher material utilization rate. By using mature sheet metal stamping technology and stamping dies, the first terminal 1, the second terminal 2, the first reinforced terminal 7 and the second reinforced terminal 8 can be produced quickly and in large quantities. In addition, advanced processing technologies such as laser cutting and water cutting can be used to cut the sheet metal first, and then use the bending process to form it, or the sheet metal can be processed by machining, which can also reduce production costs and improve production efficiency.

[0059] In one embodiment, as shown in Figures 1 and 4, it also includes a first bolt 14 and a second bolt 24. A first through hole 15 is provided on the first contact portion 12, and a first threaded hole is provided on the first electrical device 3. The first bolt 14 passes through the first through hole 15 and is screwed to the first threaded hole; a second through hole 25 is provided on the second contact portion 22, and a second threaded hole is provided on the second electrical device 4. The second bolt 24 passes through the second through hole 25 and is screwed to the second threaded hole.

[0060] In one embodiment, as shown in Figure 7, a first contact spring 16 is further provided on the first contact portion 12 between the first electrical device 3 and the first contact portion 12, and the first contact spring 16 is at least partially electrically connected to the first electrical device 3; a second contact spring 26 is further provided on the second contact portion 22 between the second electrical device 4 and the second contact portion 22, and the second contact spring 26 is at least partially electrically connected to the second electrical device 4.

[0061] A first contact spring 16 is provided on the first contact portion 12, and a second contact spring 26 is provided on the second contact portion 22. The first contact spring 16 and the first contact portion 12, and the second contact spring 26 and the second contact portion 22, can be connected by one or more of resistance welding, friction welding, ultrasonic welding, arc welding, laser welding, electron beam welding, pressure diffusion welding, and magnetic induction welding. After connection, the first contact spring 16 and the second contact spring 26 are electrically connected to the first electrical device 3 and the second electrical device 4, respectively.

[0062] In one embodiment, as shown in Figures 4 and 6 , the first flat ribbon connecting portion 51, the second flat ribbon connecting portion 52, the first terminal 1, the second terminal 2, and at least a portion of the insulating layer 9 are surrounded by an integrally-molded plastic housing 10. This design can achieve good insulation performance.

[0063] In one embodiment, as shown in FIG. 6 , at least a portion of the first contact portion 12 and at least a portion of the second contact portion 22 are exposed from the plastic housing 10 .

[0064] The first contact portion 12 and the second contact portion 22 are exposed from the plastic housing 10 , and can ensure electrical connection with the first electrical device 3 and the second electrical device 4 .

[0065] The one-piece injection molding process is simple to process. During the injection molding process, the first flat strip connecting portion 51 and the first terminal 1, the second flat strip 6 and the second terminal 2 can be integrally injection-molded, and at the same time, a portion of the flat strip insulation layer 9 can be injection-molded, which can achieve insulation of the two flat strip power supply lines and fix and seal the connected device.

[0066] In one embodiment, the embodiment containing the first reinforced terminal 7 and the second reinforced terminal 8 further includes a first bolt 14 and a second bolt 24, a first through hole 15 is provided on the first contact portion 12 after the first terminal 1 and the first reinforced terminal 7 are stacked, a first threaded hole is provided on the first electrical device 3, and the first bolt 14 passes through the first through hole 15 and is screwed to the first threaded hole; a second through hole 25 is provided on the second contact portion 22 after the second terminal 2 and the second reinforced terminal 8 are stacked, a second threaded hole is provided on the second electrical device 4, and the second bolt 24 passes through the second through hole 25 and is screwed to the second threaded hole.

[0067] In one embodiment, as shown in Figure 7, a first contact spring 16 is further provided on the first reinforced terminal 7 or the first contact portion 12 between the first electrical device 3 and the first reinforced terminal 7 or the first contact portion 12, and the first contact spring 16 is at least partially electrically connected to the first electrical device 3; a second contact spring 26 is further provided on the second terminal 2 or the second contact portion 22 between the second electrical device 4 and the first terminal 1 or the second contact portion 22, and the second contact spring 26 is at least partially electrically connected to the second electrical device 4.

[0068] When the lower plane of the first flat strip 5 can be electrically connected to the first connecting portion 11, the first reinforced terminal 7 is arranged at the upper part of the first flat strip 5 and abuts against the first end face 53 of the first flat strip 5. At this time, a first contact spring 16 can be arranged on the first contact portion 12. When the upper plane of the first flat strip 5 is connected to the first connecting portion 11, the first reinforced terminal 7 is arranged at the lower part of the first flat strip 5 and abuts against the first end face 53 of the first flat strip 5. At this time, a first contact spring 16 can be arranged on the first reinforced terminal 7. Similarly, a second contact spring 26 is arranged on the second terminal 2 and the second contact portion 22 to electrically connect with the first electrical device 3 and the second electrical device 4.

[0069] In one embodiment, an integrally-injected plastic housing 10 is disposed around the first flat strip connecting portion 51 , the second flat strip connecting portion 52 , the first reinforced terminal 7 , the second terminal 2 , and at least a portion of the insulating layer 9 .

[0070] In one embodiment, at least a portion of the first reinforced terminal 7 and at least a portion of the second contact portion 22 are exposed from the plastic housing 10 .

[0071] According to the above description, the first reinforced terminal 7 and at least a portion of the second contact portion 22 are exposed to be electrically connected to the first electrical device 3 and the second electrical device 4, or the first terminal 1 and at least a portion of the second reinforced terminal 8 are electrically connected to the first electrical device 3 and the second electrical device 4.

[0072] In one embodiment, the present application further provides a charging socket, comprising the power transmission connection mechanism described in the above embodiment. Using this charging socket, different transfer directions can be designed according to the installation environment of the charging station, saving installation space.

[0073] In one embodiment, the present application further provides a motor vehicle comprising the power transmission connection mechanism or charging socket described in the above embodiment. This design can save installation space and facilitate the installation and arrangement of other electrical appliances.

[0074] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features.

[0075] In this application, unless otherwise specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

Claims

1. An electric energy transmission connection mechanism, characterized in that: It includes a first flat belt and a second flat belt stacked up and down, a first electrical device and a second electrical device placed side by side, a first terminal connecting the first flat belt and the first electrical device, and a second terminal connecting the second flat belt and the second electrical device.

2. The electric energy transmission connection mechanism according to claim 1, characterized in that: The first terminal includes a first connecting portion that is at least partially connected to the first flat strip, and a first contact portion that is at least partially connected to the first electrical device; the second terminal includes a second connecting portion that is at least partially connected to the second flat strip, and a second contact portion that is at least partially connected to the second electrical device; the first connecting portion and the second connecting portion are arranged opposite to each other.

3. The electric energy transmission connection mechanism according to claim 2, characterized in that: The first connecting portion and the second connecting portion are symmetrical in shape.

4. The electric energy transmission connection mechanism according to claim 2, characterized in that: The first flat strip and the second flat strip are covered with an insulating layer. A first flat strip connecting portion is provided at one end of the first flat strip, and the first flat strip connecting portion is at least partially electrically connected to at least partially the first connecting portion; a second flat strip connecting portion is provided at one end of the second flat strip, and the second flat strip connecting portion is at least partially electrically connected to at least partially the second connecting portion.

5. The electric energy transmission connection mechanism according to claim 4, characterized in that: The first flat belt connecting portion includes a first upper plane and a first lower plane, the second flat belt connecting portion includes a second upper plane and a second lower plane, the first lower plane is adjacent to the second upper plane, the first upper plane is at least partially electrically connected to at least partially the first connecting portion, and the second lower plane is at least partially electrically connected to at least partially the second connecting portion.

6. The electric energy transmission connection mechanism according to claim 2, characterized in that: At least one first bending portion is provided between the first connecting portion and the first contact portion, and the first connecting portion and the first contact portion are located in different planes. At least one second bending portion is provided between the second connecting portion and the second contact portion, and the second connecting portion and the second contact portion are located in different planes. The angle between the first connecting portion and the plane where the first contact portion is located is 0°-180°, and the angle between the second connecting portion and the plane where the second contact portion is located is 0°-180°.

7. The electric energy transmission connection mechanism according to claim 6, characterized in that: The angle between the inner sides of the first connecting portion connected to the first bending portion and the first contact portion and the angle between the inner sides of the second connecting portion connected to the second bending portion and the second contact portion and the second connecting portion are complementary angles.

8. The electric energy transmission connection mechanism according to claim 2, characterized in that: It also includes a first reinforcement terminal and a second reinforcement terminal, wherein the first reinforcement terminal is stacked and connected with the first terminal, and the second terminal is stacked and connected with the second reinforcement terminal.

9. The electric energy transmission connection mechanism according to claim 6, characterized in that: The first reinforcement terminal is connected to the first terminal in a stacked manner, and the second terminal is connected to the second reinforcement terminal in a stacked manner. The first reinforcement terminal has a structure matching the first bending portion and the first contact portion of the first terminal, and the second reinforcement terminal has a structure matching the second bending portion and the second contact portion of the second terminal.

10. The electric energy transmission connection mechanism according to claim 9, characterized in that: The first flat strip and the second flat strip are covered with an insulating layer. A first flat strip connecting portion is provided at one end of the first flat strip, and at least a portion of the first flat strip connecting portion is electrically connected to at least a portion of the first connecting portion. A second flat strip connecting portion is provided at one end of the second flat strip, and at least a portion of the second flat strip connecting portion is electrically connected to at least a portion of the second connecting portion. The first flat strip connecting portion includes a first end surface, and one end of the first reinforcement terminal abuts against the first end surface; the second flat strip connecting portion includes a second end surface, and one end of the second reinforcement terminal abuts against the second end surface.

11. The electric energy transmission connection mechanism according to claim 1 or 8, characterized in that: The first terminal is formed by stamping, cutting, bending or machining a plate, and the second terminal is formed by stamping, cutting, bending or machining a plate.

12. The electric energy transmission connection mechanism according to claim 2, characterized in that: It also includes a first bolt and a second bolt, a first through hole is provided on the first contact portion, a first threaded hole is provided on the first electrical device, the first bolt passes through the first through hole and is threadedly connected to the first threaded hole; a second through hole is provided on the second contact portion, a second threaded hole is provided on the second electrical device, the second bolt passes through the second through hole and is threadedly connected to the second threaded hole.

13. The electric energy transmission connection mechanism according to claim 2, characterized in that: A first contact spring is provided on the first contact portion between the first electrical device and the first contact portion, and the first contact spring is at least partially electrically connected to the first electrical device; a second contact spring is provided on the second contact portion between the second electrical device and the second contact portion, and the second contact spring is at least partially electrically connected to the second electrical device.

14. The electric energy transmission connection mechanism according to claim 4, characterized in that: An integrally-injected plastic shell is provided around the first flat strip connecting portion, the second flat strip connecting portion, the first terminal, the second terminal, and at least a portion of the insulating layer.

15. The electric energy transmission connection mechanism according to claim 14, characterized in that: At least a portion of the first contact portion and at least a portion of the second contact portion are exposed from the plastic housing.

16. The electric energy transmission connection mechanism according to claim 8, characterized in that: It also includes a first bolt and a second bolt. A first through hole is provided at the first contact portion after the first terminal and the first reinforced terminal are stacked, a first threaded hole is provided on the first electrical device, and the first bolt passes through the first through hole and is screwed into the first threaded hole; a second through hole is provided at the second contact portion after the second terminal and the second reinforced terminal are stacked, a second threaded hole is provided on the second electrical device, and the second bolt passes through the second through hole and is screwed into the second threaded hole.

17. The electric energy transmission connection mechanism according to claim 8, characterized in that: A first contact spring is further provided on the first reinforced terminal or the first contact portion between the first electrical device and the first reinforced terminal or the first contact portion, and the first contact spring is at least partially electrically connected to the first electrical device; a second contact spring is further provided on the second terminal or the second contact portion between the second electrical device and the first terminal or the second contact portion, and the second contact spring is at least partially electrically connected to the second electrical device.

18. The electric energy transmission connection mechanism according to claim 10, characterized in that: An integrally-injected plastic shell is provided around the first flat strip connecting portion, the second flat strip connecting portion, the first reinforced terminal, the second terminal, and at least a portion of the insulating layer.

19. The electric energy transmission connection mechanism according to claim 18, characterized in that: At least a portion of the first reinforcement terminal and at least a portion of the second contact portion are exposed from the plastic housing.

20. A charging socket, characterized in that: The charging socket includes the power transmission connection mechanism according to any one of claims 1 to 19.

21. A motor vehicle, characterized in that: The motor vehicle comprises the power transmission connection mechanism according to any one of claims 1 to 19 or the charging socket according to claim 20.

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