Electric connector module, electric connector and electric vehicle

Abstract

The utility model discloses an electric connector module, an electric connector and an electric vehicle, and relates to the technical field of electric connection, the electric connector module comprises a discharging module and a charging module, the discharging module comprises a discharging male end and a discharging female end, the discharging female end can be plugged on the discharging male end for discharging, and the charging module comprises a charging male end and a charging female end. The charging male end not only can be inserted into the charging female end for charging, but also can be inserted into the discharging female end for discharging, so that the connector development types are remarkably reduced, the production cost and the user maintenance complexity are reduced, the charging and discharging functions can be switched through a single connector, and the equipment compatibility is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of electrical connection technology, specifically to an electrical connector module, an electrical connector, and an electric vehicle. Background Technology

[0002] Electric vehicles include electric-assisted bicycles, which are a new type of transportation that combines traditional bicycles with modern technology. Based on a bicycle, they provide pedal assistance to riders by adding components such as motors, batteries, and controllers, making riding easier and more comfortable. As a result, they have become increasingly popular abroad in recent years.

[0003] However, in some overseas regions, due to long distances and inadequate charging infrastructure, it is necessary to equip backup batteries to improve the range of electric bicycles and cope with emergencies.

[0004] With a backup battery, how to switch between charging and discharging the backup battery while reducing the types of electrical connectors is a technical problem that those skilled in the art must solve.

[0005] In addition, it is also necessary to consider how to avoid damage or even scrapping of electrical connectors due to reverse or incorrect insertion of the male and female ends during use. Utility Model Content

[0006] The purpose of this utility model is to provide an electrical connector module, an electrical connector, and an electric vehicle, in order to address the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] On one hand, this utility model provides an electrical connector module, which includes a discharge module and a charging module. The discharge module includes a male discharge terminal and a female discharge terminal, and the female discharge terminal can be plugged into the male discharge terminal for discharge. The charging module includes a male charging terminal and a female charging terminal, and the male charging terminal can be plugged into the female charging terminal for charging or the female discharge terminal for discharging.

[0009] In one possible implementation, the charging male terminal is provided with a boss, and the boss is provided with a foolproof hole. The foolproof hole includes a power hole and a signal hole. There are three power holes, which are arranged in a "triangular" shape. A first power terminal is inserted into each of the power holes. There are several signal holes, which are distributed in a "Y" shape. A first signal terminal is inserted into each of the signal holes.

[0010] Both the discharge female terminal and the charging female terminal have a recessed cavity that can be inserted into the boss. The recessed cavity is provided with a foolproof post. The foolproof post includes a power post that is inserted into the power port and a signal post that is inserted into the signal port. Each power post is covered with a second power terminal, which is inserted into the first power terminal. Each signal post is covered with a second signal terminal, which is inserted into the first signal terminal.

[0011] In one possible implementation, the power hole is an irregular circular hole, and the power post is adapted to the shape of the power hole and corresponds to it in position.

[0012] The signal hole is a circular hole, and the signal post is adapted to the shape of the signal hole and corresponds to it in position.

[0013] In one possible implementation, the power port includes a first power port and a second power port, the second power port is located below the first power port, and there are two second power ports placed symmetrically to the left and right sides at the center of the first power port, and the second power port has a second protrusion with a circular top facing upward.

[0014] The first power port has a first protrusion extending symmetrically to the left and right sides from its own center.

[0015] In one possible implementation, the second power terminal is provided with a crown spring, which has a “) (” structure and the openings on both sides are recessed in the middle and are press-fitted to the head of the first power terminal.

[0016] In one possible implementation, the second signal terminal has a pointed conical section, and the pointed conical section has a cross-shaped through groove for interference fit with the first signal terminal rod section.

[0017] In one possible implementation, the discharge male terminal further includes a waterproof pad, which is fitted onto the outer wall of the boss and press-fitted with the inner wall of the cavity.

[0018] On the other hand, this utility model provides an electrical connector, which includes the electrical connector module described in any one of the above claims. The electrical connector module includes a discharge module and a charging module. The discharge module includes a male discharge terminal and a female discharge terminal, and the charging module includes a male charging terminal and a female charging terminal.

[0019] It also includes wires, which are welded to the tail of the male discharge terminal to form a male discharge connector, the tail of the female discharge terminal to form a female discharge connector, the tail of the male charging terminal to form a male charging connector, and the tail of the female charging terminal to form a female charging connector.

[0020] The female discharge connector can be plugged into the male discharge connector for discharge, and the male charging connector can be plugged into the female charging connector for charging or the female discharge connector for discharge.

[0021] The male discharge connector and the female discharge connector form a discharge connector, and the male charging connector and the female charging connector form a charging connector.

[0022] In one possible implementation, the electrical connector further includes a housing, which is injection molded integrally with the electrical connector module.

[0023] On the other hand, this application provides an electric vehicle that uses electricity as a power source and includes a frame, a circuit board, a removable main battery, a backup battery, a charger, and a double-ended cable. The frame has a battery slot, the main battery can be placed in the battery slot, and the backup battery can be suspended on the frame.

[0024] It also includes any of the electrical connectors described above, wherein the electrical connector includes a discharge connector and a charging connector, the discharge connector includes a male discharge connector and a female discharge connector, and the charging connector includes a male charging connector and a female charging connector;

[0025] The female charging connector is located on the vehicle frame and is electrically connected to the circuit board, which is electrically connected to the main battery. The male charging connector is located at one end of the charger and at both ends of the double-ended cable.

[0026] The discharge female connector is installed on the main battery and the backup battery respectively. The backup battery is electrically connected to the charging female connector through a double-ended wire and is discharged.

[0027] The male discharge connector is installed in the battery slot. After the main battery is placed in the battery slot, the male discharge connector is plugged into the female discharge connector of the main battery and discharges.

[0028] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0029] This invention provides an electrical connector module, an electrical connector, and an electric vehicle. The male charging terminal can be plugged into both the female charging terminal and the female discharging terminal, significantly reducing the types of connectors required, lowering production costs and user maintenance complexity. A single connector enables switching between charging and discharging functions, greatly improving device compatibility. Furthermore, the charger can directly charge the vehicle frame's female charging terminal, the backup battery, and the removed main battery, achieving multi-purpose functionality. Finally, the dual-ended cable design allows for flexible discharge of the backup battery, addressing long-distance range requirements.

[0030] This utility model provides an electrical connector module, an electrical connector, and an electric vehicle. The electrical connector module, through the design of a foolproof structure with protrusions and cavities, and the matching shape and position of the power holes in a triangular arrangement and the signal holes in a Y-shape, ensures a unique correct insertion direction, completely eliminates the risk of reverse insertion or incorrect insertion, avoids damage or scrapping of the electrical connector, and improves the safety and service life of the equipment.

[0031] This utility model provides an electrical connector module, an electrical connector, and an electric vehicle. The second power terminal of the electrical connector module adopts a crown spring structure and is interference-fitted with the first power terminal. The second signal terminal is provided with a pointed cone section and a cross through groove and is interference-fitted with the rod section of the first signal terminal, which not only enhances the reliability of the connection, but also ensures the charging and discharging efficiency.

[0032] This utility model provides an electrical connector module, an electrical connector, and an electric vehicle. The power port in the electrical connector module is divided into a first power port and a second power port. The first power port has a first protrusion groove symmetrically opened on both sides, while the second power port only has a second protrusion groove opened on the top. By using the shape difference between the first power port and the second power port, the positive and negative polarity markings can be clearly identified, thereby making it convenient for operators to intuitively observe the shape of the hole groove and quickly identify the positive and negative polarity, significantly improving the insertion efficiency and reducing the operation error rate.

[0033] This utility model provides an electrical connector module, an electrical connector, and an electric vehicle. The discharge male terminal of the electrical connector module is equipped with a waterproof gasket, which is interference-fitted with the inner wall of the cavity to form a sealed structure, effectively preventing moisture and foreign objects from entering the connector and improving the waterproof and dustproof level of the equipment. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the discharge module structure of the electrical connector module in Example 1;

[0035] Figure 2 This is a schematic diagram of the charging module structure of the electrical connector module in Example 1;

[0036] Figure 3 This is a schematic diagram of the boss structure of the electrical connector module in Example 1;

[0037] Figure 4 This is a front view of the boss structure of the electrical connector module in Example 1;

[0038] Figure 5 This is a schematic diagram of the cavity structure of the electrical connector module in Example 1;

[0039] Figure 6 This is a front view of the cavity structure of the electrical connector module in Example 1;

[0040] Figure 7 This is a schematic diagram of the charging female terminal structure of the electrical connector module in Example 1;

[0041] Figure 8 This is a schematic diagram of the discharge connector structure of the electrical connector in Example 2;

[0042] Figure 9 This is a schematic diagram of the discharge female connector structure in Example 2;

[0043] Figure 10 This is a schematic diagram of the discharge male connector structure in Example 2;

[0044] Figure 11 This is a schematic diagram of the charging connector structure of the electrical connector in Example 2;

[0045] Figure 12 This is a schematic diagram of the charging female connector structure in Example 2;

[0046] Figure 13 This is a schematic diagram of the discharge male connector structure in Example 2;

[0047] Figure 14 This is a schematic diagram of the double-headed wire structure of the electric vehicle in Example 3;

[0048] Figure 15 This is a schematic diagram of the electric vehicle before the main battery is installed in Example 3;

[0049] Figure 16 This is a schematic diagram of the working state of the backup battery of the electric vehicle in Example 3;

[0050] In the diagram: 1-Electrical connector module; 11-Discharge module; 111-Discharge male terminal; 112-Discharge female terminal; 12-Charging module; 121-Charging male terminal; 122-Charging female terminal; 13-Boss; 131-Fingerproof hole; 1311-Power hole; 1312-Signal hole; 132-First power terminal; 133-First signal terminal; 14-Cavity; 141-Fingerproof post; 1411-Power post; 1412-Signal post; 142-Second power terminal; 143-Second signal terminal; 15-Waterproof pad;

[0051] 2-Electrical connector; 21-Discharge connector; 211-Discharge male connector; 212-Discharge female connector; 22-Charging connector; 221-Charging male connector; 222-Charging female connector; 23-Wire; 24-Housing;

[0052] 3-Frame; 4-Main battery; 5-Reserve battery; 6-Charger; 7-Dual cable. Detailed Implementation

[0053] In the description of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The various embodiments of this utility model are described in detail below with reference to the accompanying drawings. Example 1

[0054] Please see Figures 1 to 7 This embodiment provides an electrical connector module. The electrical connector module 1 includes a discharging module 11 and a charging module 12, such as... Figure 1 As shown, the discharge module 11 includes a male discharge terminal 111 and a female discharge terminal 112. The female discharge terminal 112 can be plugged into the male discharge terminal 111 for discharge, as shown. Figure 2 As shown, the charging module 12 includes a charging male terminal 121 and a charging female terminal 122. The charging male terminal 121 can be plugged into the charging female terminal 122 for charging, or it can be plugged into the discharging female terminal 112 for discharging.

[0055] In specific application scenarios, the charging male terminal 121 in the electrical connector module 1 can be plugged into the charging female terminal 122 for charging, and can also be plugged into the discharging female terminal 112 for discharging. The charging and discharging functions can be switched through a single connector, realizing "one thing for multiple uses". This significantly reduces the types of connectors developed, reduces production costs and user maintenance complexity, and also improves equipment compatibility.

[0056] In some examples, such as Figure 3 As shown, the charging male terminal 121 has a boss 13, and a foolproof hole 131 is formed on the boss 13. The foolproof hole 131 includes a power hole 1311 and a signal hole 1312, as shown. Figure 4 As shown, there are three power supply holes 1311 arranged in a triangular shape, and a first power terminal 132 is inserted into each power supply hole 1311. There are several signal holes 1312 arranged in a Y-shape, and a first signal terminal 133 is inserted into each signal hole 1312. Figure 5 As shown, both the discharge female terminal 112 and the charging female terminal 122 have recesses 14 that can be inserted into the boss 13. Each recess 14 has a foolproof post 141. Figure 6 As shown, the anti-foolproof post 141 includes a power post 1411 that plugs into the power port 1311, and a signal post 1412 that plugs into the signal port 1312, as shown. Figure 7As shown, each power column 1411 contains a second power terminal 142, which is connected to the first power terminal 132. Each signal column 1412 contains a second signal terminal 143, which is connected to the first signal terminal 133.

[0057] In specific application scenarios, by setting up a foolproof structure design with boss 13 and cavity 14, and matching the shape and position of the triangular arrangement of power holes 1311 and the Y-shaped distribution of signal holes 1312, the unique correct insertion direction is ensured, completely eliminating the risk of reverse insertion or incorrect insertion, avoiding damage or scrapping of electrical connector 2, and improving equipment safety and service life.

[0058] Furthermore, the power holes 1311 can be arranged not only in a triangular pattern, but also in other forms. Without affecting the working performance of the electrical connector module 1, those skilled in the art can choose the arrangement of the power holes 1311 according to actual needs. Changes in the arrangement of the power holes 1311 do not affect the scope of protection of this application.

[0059] Furthermore, the signal holes 1312 can not only be distributed in a Y-shape, but also in other shapes such as X-shape or Z-shape. Without affecting the working performance of the electrical connector module 1, those skilled in the art can choose the distribution form of the signal holes 1312 according to actual needs. The change in the distribution form of the signal holes 1312 does not affect the protection scope of this application.

[0060] In some examples, the power hole 1311 is an irregular circular hole, and the power post 1411 is adapted to the shape of the power hole 1311 and corresponds to its position. The power hole 1311 includes a first power hole and a second power hole. The second power hole is located below the first power hole, and there are two second power holes placed symmetrically to the left and right sides at the center of the first power hole. The second power hole has a second protrusion with a circular top opening upward. The first power hole has a first protrusion extending symmetrically to the left and right sides from its own center.

[0061] In specific application scenarios, the power port 1311 adopts an irregular circular hole design, with its groove being a symmetrical or asymmetrical recess. The shape of the power post 1411 perfectly matches the power port 1311, and their positions correspond one-to-one. The specific shape and unique position of the power port 1311 ensure that the power post 1411 can only be inserted into the power port 1311 in a specific orientation. When the power post 1411 is inserted into the power port 1311, it will only fit perfectly if the orientation is correct; otherwise, it will fail to insert due to shape mismatch or positional offset. This significantly improves insertion efficiency and reduces the operational error rate.

[0062] In some examples, the signal hole 1312 adopts a standard circular hole design, and the signal post 1412 corresponds one-to-one with the signal hole 1312 in position to ensure the accuracy and stability of signal transmission.

[0063] In some examples, the second power terminal 142 has a crown spring, which has a “) (” structure and the center of the openings on both sides is recessed and is interference-fitted with the head of the first power terminal 132. The second signal terminal 143 has a pointed cone section and a cross-shaped through groove on the pointed cone section for interference fit with the rod section of the first signal terminal 133.

[0064] In specific application scenarios, the second power terminal 142 within the power supply post 1411 is equipped with a crown spring structure, and the second signal terminal 143 within the signal post 1412 is equipped with a pointed cone section and a cross-shaped through slot, thereby enhancing the contact reliability and signal transmission stability between the terminals. Furthermore, this ensures correct terminal mating and avoids poor contact or signal interference.

[0065] In some examples, the discharge male terminal 111 also includes a waterproof pad 15, which is fitted onto the outer wall of the boss 13 and press-fitted to the inner wall of the cavity 14 to form a sealed structure. This effectively prevents moisture and foreign objects from entering the connector, improves the waterproof and dustproof rating of the device, ensures the sealing performance of the connector in harsh environments, and prevents moisture and foreign objects from entering and affecting the performance of the connector. Example 2

[0066] Please see Figures 8 to 13 This embodiment provides an electrical connector 2, which includes an electrical connector module 1 as described above. The electrical connector module 1 includes a discharging module 11 and a charging module 12. The discharging module 11 includes a discharging male terminal 111 and a discharging female terminal 112, and the charging module 12 includes a charging male terminal 121 and a charging female terminal 122. It also includes a wire 23, such as... Figure 10 As shown, wire 23 is soldered to the tail of the discharge male terminal 111 to form discharge male connector 211, as... Figure 9 As shown, wire 23 is soldered to the tail of the discharge female terminal 112 to form a discharge female connector 212, wire 23 is soldered to the tail of the charging male terminal 121 to form a charging male connector 221, and wire 23 is soldered to the tail of the charging female terminal 122 to form a charging female connector 222; the discharge female connector 212 can be plugged into the discharge male connector 211 for discharge, and the charging male connector 221 can be plugged into the charging female connector 222 for charging or the discharge female connector 212 for discharge; wherein, as Figure 8 As shown, the male discharge connector 211 and the female discharge connector 212 form the discharge connector 21, as follows: Figure 11 As shown, the male charging connector 221 and the female charging connector 222 together form the charging connector 22.

[0067] like Figure 8As shown, the electrical connector 2 also includes a housing 24, which is integrally formed with the electrical connector module 1 by injection molding.

[0068] In specific application scenarios, electrical connector 2 inherits the technological essence of electrical connector module 1 and achieves efficient connection with the electric vehicle system through welding of wire 23 and integration with housing 24. Discharge connector 21 and charging connector 22 are formed by welding wire 23 to realize power transmission; among them, the charging male terminal 121 has a dual function, which can be plugged into the charging female terminal 122 or the discharging female terminal 112, realizing an integrated charging and discharging design, significantly reducing the types of connectors and improving equipment compatibility.

[0069] Electrical connector 2 also inherits the foolproof structure of electrical connector module 1. By matching the shape and position of the boss 13, cavity 14, power hole 1311, and signal hole 1312, it ensures a unique correct insertion direction and avoids damage from misinsertion. The terminal design adopts a crown spring structure and a pointed tapered cross groove to enhance connection reliability. The discharge male terminal 111 is equipped with a waterproof pad 15 to improve the waterproof and dustproof level of the equipment. Example 3

[0070] Please see Figures 15 to 16 This embodiment provides an electric vehicle that uses electricity as its power source, such as... Figure 15 As shown, it includes a frame 3, a circuit board, a removable main battery 4, a backup battery 5, a charger 6, and a double-ended cable 7. The frame 3 has a battery slot, the main battery 4 can be placed in the battery slot, and the backup battery 5 can be suspended on the frame 3.

[0071] Among them, it also includes an electrical connector 2 of any of the above-mentioned items. The electrical connector 2 includes a discharge connector 21 and a charging connector 22. The discharge connector 21 includes a male discharge connector 211 and a female discharge connector 212. The charging connector 22 includes a male charging connector 221 and a female charging connector 222.

[0072] The female charging connector 222 is located on the frame 3 and is electrically connected to the circuit board. The circuit board is electrically connected to the main battery 4. The male charging connector 221 is located at one end of the charger 6 and at both ends of the double-ended cable 7.

[0073] like Figure 16 As shown, the discharge female connector 212 is installed on the main battery 4 and the backup battery 5 respectively. The backup battery 5 is electrically connected to the charging female connector 222 through the double-ended wire 7 and is discharged.

[0074] like Figure 16 As shown, the male discharge connector 211 is installed in the battery compartment. After the main battery 4 is placed in the battery compartment, the male discharge connector 211 is plugged into the female discharge connector 212 of the main battery 4 and discharges.

[0075] In specific application scenarios, existing electric vehicles mostly rely on a single battery pack, requiring manual battery replacement or reliance on fixed charging facilities for long-distance riding. This application achieves flexible discharge of the backup battery 5 through a dual-ended cable 7 design. Users can directly power the frame 3 via the dual-ended cable 7 without removing the main battery 4, solving the pain point of "interruption of travel when replacing the battery" and achieving seamless switching between the main and backup batteries 5.

[0076] Traditional chargers have non-universal interfaces, requiring dedicated chargers for different devices. The unified interface of the male charging terminal 121 in this application is compatible with the main battery 4, the backup battery 5, and the female charging terminal 122 of the frame 3, realizing "one charger 6 solves all charging needs" and significantly reducing the burden on users.

[0077] Furthermore, when the main battery 4 of the electric vehicle is low on power, the range is extended by the backup battery 5. The double-ended cable 7 acts as a bridge, with one end connected to the discharge female connector 212 of the backup battery 5 via the male charging connector 221, and the other end connected to the female charging connector 222 of the frame 3 via another male charging connector 221, thereby allowing the backup battery 5 to discharge. If the backup battery 5 is low on power, it can be charged by directly plugging the male charging connector 221 of the charger 6 into the discharge female connector 212 of the backup battery 5.

[0078] Furthermore, since the main battery 4 is removable, when the main battery 4 is removed from the frame 3, the male charging connector 221 of the charger 6 can be plugged into the female discharging connector 212 of the main battery 4 to charge the main battery 4; when the main battery 4 is not removed from the frame 3, the male charging connector 221 of the charger 6 can be plugged into the female charging connector 222 of the frame 3 to charge the main battery 4 through the circuit board.

[0079] In specific application scenarios, electric vehicles include not only electrical connectors 2, frames 3, circuit boards, removable main batteries 4, backup batteries 5, chargers 6, and dual-ended cables 7, but also components such as motors and wheels. Since these components are existing technologies in this field, they will not be described in detail here.

[0080] Furthermore, the electric vehicle specifically refers to an electric-assisted bicycle. An electric-assisted bicycle, based on a bicycle, provides pedal assistance to the rider by adding components such as a motor, battery, and controller, making riding easier and more comfortable. At the same time, electric vehicles can be not only electric-assisted bicycles but also electric vehicles and other types; changes in the type of electric vehicle do not affect the scope of protection of this application.

[0081] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Detachable installation methods are varied, such as through plug-in and snap-fit ​​connections, or through bolt connections, etc.

[0082] The above description of the specific embodiments of this utility model is only used to further illustrate this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-essential improvements and adjustments made to this utility model by technical engineers based on the above description of the utility model shall fall within the scope of protection of this utility model.

Claims

1. An electrical connector module, characterized in that, The electrical connector module (1) includes a discharge module (11) and a charging module (12). The discharge module (11) includes a male discharge terminal (111) and a female discharge terminal (112). The female discharge terminal (112) can be plugged into the male discharge terminal (111) for discharge. The charging module (12) includes a male charging terminal (121) and a female charging terminal (122). The male charging terminal (121) can be plugged into the female charging terminal (122) for charging or plugged into the female discharge terminal (112) for discharging.

2. The electrical connector module according to claim 1, characterized in that: The charging male terminal (121) is provided with a boss (13), and the boss (13) is provided with a foolproof hole (131). The foolproof hole (131) includes a power hole (1311) and a signal hole (1312). There are three power holes (1311) arranged in a "triangular" shape. A first power terminal (132) is inserted into each power hole (1311). There are several signal holes (1312) arranged in a "Y" shape. A first signal terminal (133) is inserted into each signal hole (1312). Both the discharge female terminal (112) and the charging female terminal (122) are provided with a cavity (14) that can be inserted into the boss (13). The cavity (14) is provided with a foolproof post (141). The foolproof post (141) includes a power post (1411) that is inserted into the power hole (1311) and a signal post (1412) that is inserted into the signal hole (1312). The power post (1411) is covered with a second power terminal (142), which is inserted into the first power terminal (132). The signal post (1412) is covered with a second signal terminal (143), which is inserted into the first signal terminal (133).

3. An electrical connector module according to claim 2, characterized in that: The power hole (1311) is an irregular round hole, and the power post (1411) is adapted to the shape of the power hole (1311) and corresponds to it in position. The signal hole (1312) is a circular hole, and the signal post (1412) is adapted to the shape of the signal hole (1312) and corresponds to it in position.

4. An electrical connector module according to claim 3, characterized in that: The power port (1311) includes a first power port and a second power port. The second power port is located below the first power port, and there are two second power ports placed symmetrically to the left and right sides at the center of the first power port. The second power port has a second protrusion with a circular top opening upward. The first power port has a first protrusion extending symmetrically to the left and right sides from its own center.

5. An electrical connector module according to claim 2, characterized in that: The second power terminal (142) is provided with a crown spring, which has a ") (" structure and the middle of the openings on both sides is recessed and is press-fitted to the head of the first power terminal (132).

6. An electrical connector module according to claim 2, characterized in that: The second signal terminal (143) is provided with a pointed cone section, and a cross through groove is provided on the pointed cone section for interference fit with the rod section of the first signal terminal (133).

7. An electrical connector module according to claim 2, characterized in that: The discharge male terminal (111) also includes a waterproof pad (15), which is sleeved on the outer wall of the boss (13) and press-fitted with the inner wall of the cavity (14).

8. An electrical connector, characterized in that, The electrical connector (2) includes an electrical connector module (1) as described in any one of claims 1 to 7. The electrical connector module (1) includes a discharge module (11) and a charging module (12). The discharge module (11) includes a male discharge terminal (111) and a female discharge terminal (112). The charging module (12) includes a male charging terminal (121) and a female charging terminal (122). It also includes wires (23), which are welded to the tail of the discharge male terminal (111) to become a discharge male connector (211), wires (23) are welded to the tail of the discharge female terminal (112) to become a discharge female connector (212), wires (23) are welded to the tail of the charging male terminal (121) to become a charging male connector (221), and wires (23) are welded to the tail of the charging female terminal (122) to become a charging female connector (222). The female discharge connector (212) can be plugged into the male discharge connector (211) for discharge, and the male charging connector (221) can be plugged into the female charging connector (222) for charging or plugged into the female discharge connector (212) for discharge. The male discharge connector (211) and the female discharge connector (212) together form a discharge connector (21), and the male charging connector (221) and the female charging connector (222) together form a charging connector (22).

9. An electrical connector according to claim 8, characterized in that: The electrical connector (2) also includes a housing (24), which is integrally formed with the electrical connector module (1) by injection molding.

10. An electric vehicle, characterized in that, The electric vehicle uses electricity as its power source and includes a frame (3), a circuit board, a removable main battery (4), a spare battery (5), a charger (6), and a double-ended cable (7). The frame (3) has a battery slot, the main battery (4) can be placed in the battery slot, and the spare battery (5) can be suspended on the frame (3). The device also includes an electrical connector (2) as described in any one of claims 8 to 9, wherein the electrical connector (2) includes a discharge connector (21) and a charging connector (22), the discharge connector (21) includes a male discharge connector (211) and a female discharge connector (212), and the charging connector (22) includes a male charging connector (221) and a female charging connector (222). The female charging connector (222) is located on the vehicle frame (3) and is electrically connected to the circuit board. The circuit board is electrically connected to the main battery (4). The male charging connector (221) is located at one end of the charger (6) and at both ends of the double-ended cable (7). The discharge female connector (212) is installed on the main battery (4) and the backup battery (5) respectively. The backup battery (5) is electrically connected to the charging female connector (222) through a double-ended wire (7) and discharges. The male discharge connector (211) is installed in the battery slot. After the main battery (4) is placed in the battery slot, the male discharge connector (211) is inserted into the female discharge connector (212) of the main battery (4) and discharges.

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