CN210133021U - Universal electric vehicle charging device - Google Patents

Abstract

The utility model discloses a universal electric vehicle charging device, which relates to the field of electric vehicles. One end of two low-voltage wires is connected to both ends of a low-voltage conductive switch, the low-voltage conductive switch is inserted into the low-voltage conductive switch groove, and the 20A power-off switch has a Both sides of the upper end are respectively provided with a first 20A power-off switch buckle point and a second 20A power-off switch buckle point, and the first 20A power-off switch buckle point and the second 20A power-off switch buckle point are respectively The first 20A power-off switch at the rear of the charging port conducts electricity. The switch lock point is buckled with the second 20A conductive switch lock point, and the 20A power-off switch is inserted into the 20A power-off switch slot in the rear end of the charging port for fixing. By changing the existing L-shaped charging port to a straight-line charging port, it can be applied to various types of electric vehicles. After the improvement, a power-on terminal is directly drawn from the tail of the 20A automatic power-off switch, which simplifies the need for welding wires before. The disadvantages of poor contact and time-consuming and unsafe caused by the conduction of the automatic power-off switch are realized.

Description

A universal electric vehicle charging device

Technical field:

The utility model relates to a general electric vehicle charging device, which belongs to the technical field of electric vehicles.

Background technique:

Nowadays, almost all electric vehicles, such as electric passenger cars and electric bicycles, are becoming more and more popular. In order to meet the charging needs of users, electric vehicles often require charging the batteries in their vehicles, and the charging method is mainly wired. For power transmission, one end is connected to the AC power supply, and the other end is connected to the vehicle rechargeable battery. When charging, the charger plug should be inserted into the mains socket, and then the charger connector should be inserted into the charging interface of the battery in the electric vehicle.

At present, the existing charging devices have the following disadvantages when used: First, the tail end of the charging port is an L-shaped structure, which leads to the inability of many models to match and use, and the application range is small; Second, the wires and pins are connected by manual welding, and the production efficiency low, and it is easy to produce virtual welding, resulting in poor circuit contact and safety accidents; 3. At present, the automatic power-off switch is connected to the positive pole through a wire. When the charger head is inserted into the charging port of the electric vehicle, the front end of the charger head Live the automatic power-off switch to achieve normal power-on. Due to the need to weld the wire to realize the automatic power-off switch conduction, it is easy to cause poor contact, and it is time-consuming and unsafe; Fourth, because the new international 3C requires electric vehicles to be charged when the whole vehicle needs to be disconnected. When the electric charging head is inserted into the charging port of the electric vehicle, the existing charging device cannot realize the power off of the whole vehicle.

Utility model content:

In view of the above problems, the technical problem to be solved by the present invention is to provide a universal electric vehicle charging device.

The utility model relates to a universal electric vehicle charging device, which comprises a charging port, a charging port tail cover, a charging wire, a 20A power-off switch, a positive wire, a negative wire, a positive terminal, a negative terminal, a positive pin, a negative pin, and a 20A disconnector. The positive electrode of the electric switch, the low-voltage wire, the low-voltage conductive switch, the low-voltage conductive switch slot, and the 20A power-off switch slot. A 20A power-off switch, a positive wire and a negative wire are arranged between the charging ports, wherein the positive wire and the negative wire are pressed and connected to the positive terminal and the negative terminal respectively, and the positive terminal and the negative terminal are inserted into the tail ends of the positive pin and the negative pin respectively. , the positive pin is connected to the inside of the positive pole of the 20A power-off switch, and one end of the charging port tail cover is connected with two low-voltage wires, the two low-voltage wires are located above and below the positive wire, and one end of the two low-voltage wires is connected to the low-voltage conductive switch. The two ends of the 20A power-off switch are inserted into the low-voltage conductive switch slot, and the first 20A power-off switch buckle point and the second 20A power-off switch buckle point are respectively set on both sides of the upper end of the 20A power-off switch. The first 20A power-off switch The buckle point and the second 20A power-off switch buckle point are respectively buckled at the first 20A conductive switch lock point and the second 20A conductive switch lock point at the rear of the charging port, and the 20A power-off switch is inserted into the 20A power-off switch slot in the rear end of the charging port. fixed inside.

Preferably, the charging port is provided with a charging port cover, and the charging port cover and the charging port are movably connected through a connecting shaft.

Preferably, the 20A power-off switch is provided with 20A power-off switch contacts and ground pins.

Preferably, one end of the low-voltage conductive switch is provided with a low-voltage conductive switch contact. The function of the low-voltage conductive switch is to insert the charging port into the charging head, and the top of the charging head presses the low-voltage conductive switch contact to realize the low-voltage current inside the electric vehicle. Disconnect, safe and reliable.

The beneficial effects of the utility model are as follows: the structure design is reasonable, the installation is simple, and the use is convenient. By changing the existing L-shaped charging port into a linear charging port, it can be applied to electric vehicles of various models. The tail of the power-off switch directly leads to a power-on terminal, which simplifies the disadvantages of poor contact and time-consuming and unsafe caused by the need to weld wires to realize automatic power-off switch conduction. When the port is connected, it can withstand the bottom of the charging port of the electric vehicle, and trigger the 20A power-off switch contact to realize the power-off of the whole vehicle. By adopting the plug-in structure, the welding-free conduction between the positive pin and the negative pin and the wire is realized, which has a wide application prospect.

Description of drawings:

For ease of description, the present invention is described in detail by the following specific implementation and accompanying drawings.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the left side view of the utility model;

FIG. 3 is a schematic diagram of the internal structure of the charging port in the present invention.

1-Charging port; 1-1-First 20A conductive switch lock point; 1-2-Second 20A conductive switch lock point; 2-Charging port tail cover; 3-Charging cable; 4-20A power-off switch; 4- 1-The first 20A power-off switch buckle point; 4-2- The second 20A power-off switch buckle point; 4-3-20A power-off switch contact; 4-4-ground pin; 5-positive wire; 6- Negative wire; 7-Positive terminal; 8-Negative terminal; 9-Positive pin; 10-Negative pin; 11-20A power-off switch positive; 12-Low voltage wire; 13-Low voltage conductive switch; 13-1-Low voltage conductive switch contact point; 14- low-voltage conductive switch slot; 15-20A power-off switch slot; 16- charging port cover; 17- connecting shaft.

Detailed ways:

As shown in FIGS. 1-3 , this specific embodiment adopts the following technical solutions: it includes a charging port 1, a charging port tail cover 2, a charging cable 3, a 20A power-off switch 4, a positive wire 5, a negative wire 6, and a positive terminal. 7. Negative terminal 8, positive pin 9, negative pin 10, 20A power-off switch positive 11, low-voltage wire 12, low-voltage conductive switch 13, low-voltage conductive switch slot 14, 20A power-off switch slot 15, the rear of the charging port 1 is provided There is a charging port tail cover 2, the tail of the charging port tail cover 2 is connected with a charging cable 3, and a 20A power-off switch 4, a positive wire 5 and a negative wire 6 are arranged between the charging port tail cover 2 and the charging port 1. The positive wire 5 and the negative wire 6 are pressed and connected with the positive terminal 7 and the negative terminal 8 respectively, and the positive terminal 7 and the negative terminal 8 are respectively inserted into the tail end of the positive pin 9 and the negative pin 10, wherein the positive pin 9 and the 20A power-off switch positive 11 One end of the charging port tail cover 2 is connected with two low-voltage wires 12, the two low-voltage wires 12 are respectively located above and below the positive wire 5, and one end of the two low-voltage wires 12 is connected to the low-voltage conductive switch 13. The low-voltage conductive switch 13 is inserted into the low-voltage conductive switch slot 14, and the first 20A power-off switch buckle point 4-1 and the second 20A power-off switch buckle point 4-2 are respectively provided on both sides of the upper end of the 20A power-off switch 4. A 20A power-off switch buckle point 4-1 and a second 20A power-off switch buckle point 4-2 are respectively buckled at the first 20A conductive switch locking point 1-1 and the second 20A conductive switch locking point 1-2 at the rear end of the charging port 1 Then, the 20A power-off switch 4 is inserted into the 20A power-off switch slot 15 in the rear end of the charging port 1 for fixing.

The charging port 1 is provided with a charging port cover 16, and the charging port cover 16 is movably connected to the charging port 1 through a connecting shaft 17; the 20A power-off switch 4 is provided with a 20A power-off switch contact 4 -3 and ground pins 4-4; one end of the low-voltage conductive switch 13 is provided with a low-voltage conductive switch contact 13-1, the function of the low-voltage conductive switch 13 is to insert the charging port 1 into the charging head, and the top of the charging head presses The low-voltage conductive switch contact realizes the disconnection of the low-voltage current inside the electric vehicle, which is safe and reliable.

This specific embodiment has reasonable structural design, simple installation, and convenient use. By changing the existing L-shaped charging port into a linear charging port, it can be applied to various types of electric vehicles. Directly lead out a power-on terminal to simplify the disadvantages of poor contact and time-consuming and unsafe caused by the need to weld wires to realize automatic power-off switch conduction. By setting a low-voltage conductive switch, when the electric charging head is inserted into the electric vehicle charging port, the top Live at the bottom of the charging port of the electric vehicle, and trigger the 20A power-off switch contact to realize the power-off of the whole vehicle. By adopting the plug-in structure, the welding-free conduction between the positive pin and the negative pin and the wire is realized, and the application prospect is wide.

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention There will also be various changes and improvements in the new model, which all fall within the scope of the claimed invention. The claimed scope of the present utility model is defined by the appended claims and their equivalents.

Claims (4)

1. A universal electric vehicle charging device, characterized in that: it comprises a charging port (1), a charging port tail cover (2), a charging cable (3), a 20A power-off switch (4), a positive wire (5), Negative wire (6), positive terminal (7), negative terminal (8), positive pin (9), negative pin (10), 20A power-off switch positive (11), low-voltage wire (12), low-voltage conductive switch (13) ), low-voltage conductive switch slot (14), 20A power-off switch slot (15), the rear of the charging port (1) is provided with a charging port tail cover (2), and the rear of the charging port tail cover (2) is connected with a charging cable (3), a 20A power-off switch (4), a positive wire (5) and a negative wire (6) are arranged between the charging port tail cover (2) and the charging port (1), wherein the positive wire (5) and the negative wire are (6) Pressed and connected with the positive terminal (7) and the negative terminal (8) respectively, and the positive terminal (7) and the negative terminal (8) are respectively inserted into the tail ends of the positive pin (9) and the negative pin (10), wherein The positive pin (9) is connected to the inside of the positive electrode (11) of the 20A power-off switch, and two low-voltage wires (12) are connected to one end of the charging port tail cover (2), and the two low-voltage wires (12) are located on the positive wire (5). ), one end of the two low-voltage wires (12) is connected to both ends of the low-voltage conductive switch (13), the low-voltage conductive switch (13) is inserted into the low-voltage conductive switch slot (14), and the 20A power-off switch (4) Both sides of the upper end are respectively provided with the first 20A power-off switch buckle point (4-1) and the second 20A power-off switch buckle point (4-2), the first 20A power-off switch buckle point (4-1) and the first 20A power-off switch buckle point (4-1) and the second Two 20A power-off switch buckle points (4-2) are respectively buckled at the first 20A conductive switch lock point (1-1) and the second 20A conductive switch lock point (1-2) at the rear end of the charging port (1). The electric switch (4) is inserted into the 20A power-off switch slot (15) in the rear end of the charging port (1) for fixing. 2. A universal electric vehicle charging device according to claim 1, characterized in that: the charging port (1) is provided with a charging port cover (16), and the charging port cover (16) and the charging port ( 1) Actively connected through the connecting shaft (17). 3. A universal electric vehicle charging device according to claim 1, characterized in that: the 20A power-off switch (4) is provided with 20A power-off switch contacts (4-3) and ground pins ( 4-4). 4. A universal electric vehicle charging device according to claim 1, characterized in that: one end of the low-voltage conductive switch (13) is provided with a low-voltage conductive switch contact (13-1).

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