Blind-mating charging connector suitable for high-voltage platform

Abstract

The utility model relates to a blind plug charging connector suitable for a high voltage platform, which comprises a charging female seat and a charging male plug which are mutually plugged and matched, and the charging female seat comprises a female seat shell, a negative electrode outer copper sleeve, an insulating outer sleeve, a signal inner copper sleeve, an insulating inner sleeve and a female center pin. The charging male plug comprises a plug, a first negative elastic piece, a second negative elastic piece, a signal elastic piece and a male center pin, the matching structure design of the charging female seat and the charging male plug is reasonable, when the charging male plug is inserted into the charging female seat, the plug enters the first cavity, the first negative elastic piece and the second negative elastic piece are in contact with the negative outer copper sleeve, and the signal elastic piece is in contact with the signal elastic piece. The female seat column enters the third chamber, the signal elastic sheet contacts the signal inner copper sleeve, the male insertion column enters the second chamber, the male center pin contacts the female center pin, and the high-voltage and large-current transmission can be satisfied by stable insertion.

Description

Technical Field

[0001] This utility model relates to the field of connectors, and specifically to a blind-mating charging connector suitable for high-voltage platforms. Background Technology

[0002] The charging connectors used for electric vehicles on the market consist of a female charging socket and a male charging plug that plug into each other. The female charging socket is usually installed on the electric vehicle charging board, while the male charging plug is installed on the power adapter. After the two are plugged in, electrical energy is transmitted. Most of the existing charging connectors used for electric vehicles are low-voltage. The reason for this is that the structural design is simple and unstable, and cannot meet the requirements of high voltage and high current transmission. Utility Model Content

[0003] To address the aforementioned shortcomings of existing technologies, the technical problem this invention aims to solve is how to make the charging connector structure more stable. The specific technical solution is as follows:

[0004] A blind-mating charging connector suitable for high-voltage platforms includes a charging female socket and a charging male plug that interlock.

[0005] The charging female connector includes a female connector housing, a negative outer copper sleeve, an insulating outer sleeve, a signal inner copper sleeve, an insulating inner sleeve, and a female center pin. A female connector post is located at the center of the female connector housing. The negative outer copper sleeve is installed inside the female connector post. The outer wall of the negative outer copper sleeve is separated from the inner wall of the female connector post to form a first chamber. The insulating outer sleeve is installed inside the negative outer copper sleeve. The signal inner copper sleeve is installed inside the insulating outer sleeve. The insulating inner sleeve is fitted inside the signal inner copper sleeve. A female center pin is installed at the center of the insulating inner sleeve. The female center pin is separated from the inner wall of the signal inner copper sleeve to form a second chamber.

[0006] The charging male plug includes a plug, a first negative electrode spring, a second negative electrode spring, a signal spring, and a male center pin. A male pin is located at the center of the plug. The outer wall of the male pin is separated from the inner wall of the plug to form a third chamber. The first and second negative electrode springs are installed inside the plug, with bent portions of both springs extending from above into the third chamber. A signal spring is installed inside the male pin, extending from below into the third chamber. A male center pin, which is hollow, is installed at the center of the male pin.

[0007] As a preferred embodiment of this utility model, when the male charging plug is inserted into the female charging socket, the plug enters the first chamber, the first negative electrode spring and the second negative electrode spring respectively contact the negative outer copper sleeve, the female socket post enters the third chamber, the signal spring contacts the signal inner copper sleeve, the male plug enters the second chamber, and the male center pin contacts the female center pin.

[0008] As a preferred embodiment of this utility model, the female socket housing, insulating outer sleeve, insulating inner sleeve, and plug are all made of high-temperature resistant plastic material.

[0009] As a preferred embodiment of this utility model, two positioning posts are provided behind the female base post.

[0010] As a preferred embodiment of this utility model, the female connector housing is provided with mounting holes, and the charging female connector is installed on the vehicle body by inserting screws through the mounting holes.

[0011] As a preferred embodiment of this utility model, the rated operating voltage is DC60V, the rated operating current is 12A, the insertion and extraction force is 10-30N, and the insertion and extraction life is 5000 cycles.

[0012] Beneficial effects: The design of the matching structure between the female charging socket and the male charging plug is reasonable. When the male charging plug is plugged into the female charging socket, the plug enters the first chamber, and the first negative spring and the second negative spring respectively contact the negative outer copper sleeve. The female socket post enters the third chamber, and the signal spring contacts the signal inner copper sleeve. The male plug enters the second chamber, and the male center pin contacts the female center pin. The plugging is stable and can meet the requirements of high voltage and high current transmission. Attached Figure Description

[0013] Figure 1 This is a three-dimensional view of the entire utility model;

[0014] Figure 2 This is a perspective view of the charging female connector of this utility model;

[0015] Figure 3 This is an exploded view of the charging female connector of this utility model;

[0016] Figure 4 This is a perspective view of the charging female connector of this utility model from another angle;

[0017] Figure 5 This is a perspective view of the male charging plug of this utility model;

[0018] Figure 6 This is the front view of this utility model;

[0019] Figure 7 yes Figure 6 A cross-sectional view along the AA direction. Detailed Implementation

[0020] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings:

[0021] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0023] like Figure 1 A blind-mating charging connector suitable for high-voltage platforms includes a charging female socket 1 and a charging male plug 2 that are mutually mated.

[0024] like Figure 2 and 3 As shown, the charging female connector 1 includes a female connector housing 11, a negative outer copper sleeve 12, an insulating outer sleeve 13, a signal inner copper sleeve 14, an insulating inner sleeve 15, and a female center pin 16. A female connector post 17 is located at the center of the female connector housing 11. The negative outer copper sleeve 12 is installed inside the female connector post 17. The outer wall of the negative outer copper sleeve 12 is separated from the inner wall of the female connector post 17 to form a first chamber 18. The insulating outer sleeve 13 is installed inside the negative outer copper sleeve 12. The signal inner copper sleeve 14 is installed inside the insulating outer sleeve 13. The insulating inner sleeve 15 is fitted inside the signal inner copper sleeve 14. The female center pin 16 is installed at the center of the insulating inner sleeve 15. The female center pin 16 is separated from the inner wall of the signal inner copper sleeve 14 to form a second chamber 19. Two positioning posts 110 are provided behind the female connector post 17 to prevent the charging female connector 1 from rotating.

[0025] like Figure 4 and 5As shown, the charging male plug 2 includes a plug 21, a first negative electrode spring 23, a second negative electrode spring 24, a signal spring 25, and a male center pin 26. A male pin 27 is provided at the center of the plug 21. The outer wall of the male pin 27 is separated from the inner wall of the plug 21 to form a third chamber 28. The first negative electrode spring 23 and the second negative electrode spring 24 are installed in the plug 21. The bent portions of the first negative electrode spring 23 and the bent portions of the second negative electrode spring 24 extend into the third chamber 28 from above. The signal spring 25 is installed in the male pin 26 and extends into the third chamber 28 from below. The male center pin 26 is installed at the center of the male pin 26 and the male center pin 26 is a hollow structure.

[0026] like Figure 6 and 7 As shown, when the male charging plug 2 is plugged into the female charging socket 1, the plug 21 enters the first chamber 18, the first negative electrode spring 23 and the second negative electrode spring 24 respectively contact the negative outer copper sleeve 12, and the two negative electrode springs can provide a large current transmission. The female socket post 17 enters the third chamber 28, the signal spring 25 contacts the signal inner copper sleeve 14 for transmitting control signals, the male plug 27 enters the second chamber 19, and the male center pin 26 contacts the female center pin 16.

[0027] Specifically, the female connector housing 11, insulating outer sleeve 13, insulating inner sleeve 15, and plug 21 are all made of high-temperature resistant plastic material. Additionally, two positioning posts 112 are provided behind the female connector post 17 for protection. The female connector housing 11 has mounting holes 111, and the charging female connector 1 is mounted on the vehicle body by inserting screws through the mounting holes 111.

[0028] Specifically, the connector has a rated operating voltage of DC60V, a rated operating current of 12A, a mating force of 10-30N, and a mating life of 5000 cycles.

[0029] The above description is a further detailed explanation of the present utility model in conjunction with specific preferred embodiments. It should not be considered that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the protection scope of the present utility model.

Claims

1. A blind-mating charging connector suitable for high-voltage platforms, comprising a charging female socket and a charging male plug that are mutually mated, characterized in that: The charging female connector includes a female connector housing, a negative outer copper sleeve, an insulating outer sleeve, a signal inner copper sleeve, an insulating inner sleeve, and a female center pin. A female connector post is located at the center of the female connector housing. The negative outer copper sleeve is installed inside the female connector post. The outer wall of the negative outer copper sleeve is separated from the inner wall of the female connector post to form a first chamber. The insulating outer sleeve is installed inside the negative outer copper sleeve. The signal inner copper sleeve is installed inside the insulating outer sleeve. The insulating inner sleeve is fitted inside the signal inner copper sleeve. The female center pin is installed at the center of the insulating inner sleeve. The female center pin is separated from the inner wall of the signal inner copper sleeve to form a second chamber. The charging male plug includes a plug, a first negative electrode spring, a second negative electrode spring, a signal spring, and a male center pin. A male plug is provided at the center of the plug. The outer wall of the male plug is separated from the inner wall of the plug to form a third chamber. The first negative electrode spring and the second negative electrode spring are installed inside the plug. The bent portions of the first negative electrode spring and the bent portions of the second negative electrode spring extend into the third chamber from above. The signal spring is installed inside the male plug and extends into the third chamber from below. A male center pin is installed at the center of the male plug. The male center pin has a hollow structure.

2. The blind-mating charging connector suitable for high-voltage platforms according to claim 1, characterized in that: When the male charging plug is inserted into the female charging socket, the plug enters the first chamber, the first negative electrode spring and the second negative electrode spring respectively contact the negative outer copper sleeve, the female socket post enters the third chamber, the signal spring contacts the signal inner copper sleeve, the male plug post enters the second chamber, and the male center pin contacts the female center pin.

3. The blind-mating charging connector suitable for high-voltage platforms according to claim 1, characterized in that: The female connector housing, insulating outer sleeve, insulating inner sleeve, and plug are all made of high-temperature resistant plastic material.

4. A blind-mating charging connector suitable for high-voltage platforms according to claim 1 or 3, characterized in that: Two positioning posts are provided behind the mother column.

5. A blind-mating charging connector suitable for high-voltage platforms according to claim 1, characterized in that: The female connector housing has mounting holes, and the charging female connector is installed on the vehicle body by inserting screws through the mounting holes.

6. A blind-mating charging connector suitable for high-voltage platforms according to claim 1, 2, 3, or 5, characterized in that: The rated operating voltage is DC60V, the rated operating current is 12A, the insertion and extraction force is 10-30N, and the insertion and extraction life is 5000 cycles.

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