Concentric circle battery replacement connecting device

Abstract

The invention discloses a concentric circle battery replacement connecting device, which comprises a first connector and a second connector, the first connector comprises a first insulator, a first power supply terminal, a second power supply terminal and a plurality of first signal terminals. The first insulator is provided with a first base part, a first ring part, a second ring part and a third ring part. The first ring part, the second ring part and the third ring part are arranged on the first base part and are arranged in a concentric circle mode. The first power supply terminal, the second power supply terminal and the first signal terminals are arranged on the first insulator. The second connector comprises a second insulator, a third power supply terminal, a fourth power supply terminal and a plurality of second signal terminals. The second insulator is provided with a second base part, a fourth ring part, a fifth ring part and a sixth ring part. The fourth ring part, the fifth ring part and the sixth ring part are arranged on the second base part and are arranged in a concentric circle mode. The third power supply terminal, the fourth power supply terminal and the second signal terminals are arranged on the second insulator. The first connector and the second connector can be stably connected and can be used in both forward and reverse plugging.

Description

Technical Field

[0001] The present invention relates to a concentric circle power swapping connection device, especially a power swapping connection device that can be used for both forward and reverse plugging. Background Art

[0002] The power swapping connector is installed in a vehicle and belongs to a vehicle-mounted connector. In an electric vehicle with power swapping, the power swapping connector is the interface connecting the power battery and the vehicle, and can be used to achieve fast power swapping. The power swapping connection device includes a first connector and a second connector. The first connector and the second connector are respectively a male connector and a female connector, and the first connector and the second connector can be plugged into each other to achieve electrical connection. However, most of the existing power swapping connection devices can only be used for forward plugging, with a single plugging direction, which is inconvenient in use. Moreover, in the existing power swapping connection device, when the first connector and the second connector are plugged into each other, the insulators of the first connector and the second connector are only simply joined, so there is an easy problem of loosening, resulting in unreliable power transmission. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a concentric circle power swapping connection device for the deficiencies of the prior art, in which the first connector and the second connector can be stably joined and can be used for both forward and reverse plugging.

[0004] To solve the above technical problems, the present invention provides a concentric circle power exchange connection device, comprising: a first connector, including a first insulator, a first power terminal, a second power terminal and a plurality of first signal terminals. The first insulator has a first base portion, a first ring portion, a second ring portion and a third ring portion. The first ring portion, the second ring portion and the third ring portion are circular ring bodies, and are sequentially arranged on the first base portion and arranged in concentric circles. The first power terminal is arranged at the center inside the first ring portion, and there is a gap between the first power terminal and the first ring portion. The second power terminal is a hollow cylinder and is arranged outside the first ring portion, and there is a gap between the second power terminal and the second ring portion. The first signal terminals are arranged between the second ring portion and the third ring portion and are located in a first area and a second area on opposite sides of the second ring portion; and a second connector, including a second insulator, a third power terminal, a fourth power terminal and a plurality of second signal terminals. The second insulator has a second base portion, a fourth ring portion, a fifth ring portion and a sixth ring portion. The fourth ring portion, the fifth ring portion and the sixth ring portion are circular ring bodies, and the fourth ring portion, the fifth ring portion and the sixth ring portion are sequentially arranged on the second base portion and arranged in concentric circles. The third power terminal is a hollow cylinder and is arranged inside the fourth ring portion, the fourth power terminal is a hollow cylinder and is arranged inside the fifth ring portion. The second signal terminals are arranged between the fifth ring portion and the sixth ring portion and are distributed in a terminal block. One end of the terminal block forms a plurality of openings, and the openings respectively correspond to the second signal terminals; wherein when the first connector and the second connector are plugged into each other, the first power terminal and the second power terminal are respectively in contact with the third power terminal and the fourth power terminal, and the first signal terminals located in the first area or the second area are respectively in contact with the second signal terminals, so that the first connector and the second connector achieve electrical connection, and the first ring portion, the second ring portion and the third ring portion are sleeved with the fourth ring portion, the fifth ring portion and the sixth ring portion respectively.

[0005] Preferably, a plurality of ribs are provided on the outer side of the third ring portion, the ribs extend along the axial direction of the first insulator, and one end of the ribs is beveled.

[0006] Preferably, two grooves are provided on the second ring portion, the two grooves extend along the axial direction of the first insulator, the two grooves are arranged on opposite sides of the second ring portion, two guiding ribs are provided on the outer side of the fifth ring portion, the two guiding ribs extend along the axial direction of the second insulator, the two guiding ribs are arranged on opposite sides of the outer side of the fifth ring portion. When the first connector and the second connector are plugged into each other, the two guiding ribs can be engaged with the two grooves.

[0007] Preferably, a plurality of reinforcing ribs are provided between the second ring portion and the third ring portion. Two ends of the reinforcing ribs are respectively connected to the second ring portion and the third ring portion, and the reinforcing ribs are respectively close to the two grooves.

[0008] Preferably, the first base portion includes a central portion and a frame portion. A rubber ring is disposed between the central portion and the frame portion, and the rubber ring is connected to the central portion and the frame portion.

[0009] Preferably, the first signal terminals are divided into two groups. One group is disposed in the first region, and the other group is disposed in the second region. The number of the first signal terminals in the first region and the second region is equal, and the setting positions correspond to each other.

[0010] Preferably, the first signal terminals are arranged in an arc shape, the terminal seat is an arc-shaped seat body, and the second signal terminals are arranged in an arc shape.

[0011] Preferably, the third power terminal includes a first tube body and a first spring coil. The first spring coil is disposed inside the first tube body, the first tube body and the first spring coil are in contact with each other, and the first power terminal can form conduction through the first spring coil and the first tube body.

[0012] Preferably, the fourth power terminal includes a second tube body and a second spring coil. The second spring coil is disposed inside the second tube body, the second tube body and the second spring coil are in contact with each other, and the second power terminal can form conduction through the second spring coil and the second tube body.

[0013] Preferably, a sealing ring is provided on one surface of the second base portion.

[0014] The beneficial effects of the present invention are as follows. The concentric circle power exchange connection device provided by the present invention includes a first connector and a second connector. The first connector includes a first insulator, a first power terminal, a second power terminal, and a plurality of first signal terminals. The first insulator has a first base portion, a first ring portion, a second ring portion, and a third ring portion. The first ring portion, the second ring portion, and the third ring portion are circular ring bodies, and are sequentially arranged on the first base portion and are arranged in concentric circles. The first power terminal is arranged at the center inside the first ring portion. The second power terminal is a hollow cylinder and is arranged outside the first ring portion. There is no insertion angle limit for the first power terminal and the second power terminal. These first signal terminals are arranged between the second ring portion and the third ring portion, and are located in a first region and a second region on opposite sides of the second ring portion. The second connector includes a second insulator, a third power terminal, a fourth power terminal, and a plurality of second signal terminals. The second insulator has a second base portion, a fourth ring portion, a fifth ring portion, and a sixth ring portion. The fourth ring portion, the fifth ring portion, and the sixth ring portion are circular ring bodies. The fourth ring portion, the fifth ring portion, and the sixth ring portion are sequentially arranged on the second base portion and are arranged in concentric circles. The third power terminal is a hollow cylinder and is arranged inside the fourth ring portion. The fourth power terminal is a hollow cylinder and is arranged inside the fifth ring portion. There is no insertion angle limit for the third power terminal and the fourth power terminal. These second signal terminals are arranged between the fifth ring portion and the sixth ring portion and are distributed in the terminal block, so that these second signal terminals can be stably arranged and can stably contact these first signal terminals. When the first connector and the second connector are plugged into each other, the first power terminal and the second power terminal are respectively in contact with the third power terminal and the fourth power terminal, and these first signal terminals located in the first region or the second region are respectively in contact with these second signal terminals, so that the first connector and the second connector achieve electrical connection, and can be used for both forward and reverse insertion. Moreover, the first ring portion, the second ring portion, and the third ring portion are sleeved with the fourth ring portion, the fifth ring portion, and the sixth ring portion, so that the first connector and the second connector can be firmly joined.

[0015] To further understand the features and technical content of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and illustration, and are not used to limit the present invention. Description of the Drawings

[0016] Figure 1 It is a three-dimensional exploded view of the concentric circle power exchange connection device of the present invention.

[0017] Figure 2 It is a three-dimensional exploded view of the concentric circle power exchange connection device of the present invention from another angle.

[0018] Figure 3 It is a three-dimensional exploded view of the first connector of the present invention.

[0019] Figure 4 Front view of the first connector of the present invention.

[0020] Figure 5 is Figure 4 the V-V sectional view of.

[0021] Figure 6 Exploded perspective view of the second connector of the present invention.

[0022] Figure 7 Front view of the second connector of the present invention.

[0023] Figure 8 is Figure 7 the VIII-VIII sectional view of.

[0024] Figure 9 Sectional view of the first and second connectors of the present invention being plugged into each other. Detailed implementation manners

[0025] [Embodiment]

[0026] Please refer to Figure 1 and Figure 2 , the present invention provides a concentric circle battery swapping connection device, including a first connector 100 and a second connector 200.

[0027] Please refer to Figures 3 to 5 again, the first connector 100 is a male end connector, including a first insulator 1, a first power terminal 2, a second power terminal 3 and a plurality of first signal terminals 4.

[0028] The first insulator 1 is made of an insulating material such as plastic. The first insulator 1 has a first base 11, a first ring portion 12, a second ring portion 13 and a third ring portion 14. The first ring portion 12, the second ring portion 13 and the third ring portion 14 are circular ring bodies. The first ring portion 12, the second ring portion 13 and the third ring portion 14 are sequentially arranged on the first base 11 and are arranged in concentric circles. The second ring portion 13 is arranged at an interval outside the first ring portion 12, and the third ring portion 14 is arranged at an interval outside the second ring portion 13, so that the first ring portion 12, the second ring portion 13 and the third ring portion 14 are arranged in concentric circles. A plurality of ribs 141 can be provided on the outside of the third ring portion 14. These ribs 141 extend along the axial direction (plugging and unplugging direction) of the first insulator 1. One end (front end) of the ribs 141 is beveled. These ribs 141 can be used to increase strength and provide a guiding effect.

[0029] In this embodiment, two grooves 131 may be provided on the second ring portion 13. The two grooves 131 extend along the axial direction (insertion and extraction direction) of the first insulator 1. Preferably, the two grooves 131 are provided on opposite sides of the second ring portion 13, and the grooves 131 can provide the effect of guiding insertion and extraction. A plurality of reinforcing ribs 15 may also be provided between the second ring portion 13 and the third ring portion 14. The two ends of the reinforcing ribs 15 are respectively connected to the second ring portion 13 and the third ring portion 14. Preferably, the reinforcing ribs 15 are respectively close to the two grooves 131 to increase the strength of the second ring portion 13 and the third ring portion 14. A sealing ring 16 may also be provided on the outer side of the third ring portion 14 to increase the sealing effect when the first connector 100 and the second connector 200 are inserted into each other.

[0030] The first base portion 11 may include a central portion 111 and an outer frame portion 112. A rubber ring 113 is provided between the central portion 111 and the outer frame portion 112. The rubber ring 113 may be a silica gel ring or the like. The rubber ring 113 is in the shape of a circular ring body so as to be connected to the central portion 111 and the outer frame portion 112 by using the rubber ring 113 to provide a buffering and shock absorption effect, and the impact when the first connector 100 and the second connector 200 are inserted into each other can be absorbed.

[0031] The first power terminal 2 is made of a metal material with good electrical conductivity such as copper. The first power terminal 2 is in the shape of a cylinder and is disposed at the center inside the first ring portion 12. The first power terminal 2 and the first ring portion 12 are spaced apart. One end (rear end) of the first power terminal 2 may extend out of the first insulator 1.

[0032] The second power terminal 3 is made of a metal material with good electrical conductivity such as copper. The second power terminal 3 is in the shape of a hollow cylinder and is disposed outside the first ring portion 12. The second power terminal 3 is in close contact with the first ring portion 12. The second power terminal 3 and the second ring portion 13 are spaced apart. One end (rear end) of the second power terminal 3 may extend out of the first insulator 1, and a first connecting member 31 (such as Figure 2 shown) may be sleeved on one end (rear end) of the second power terminal 3 to facilitate devices such as locking and connecting cables.

[0033] The first signal terminals 4 are made of a metal material with good electrical conductivity such as copper. The first signal terminals 4 are disposed between the second ring portion 13 and the third ring portion 14 and are located in a first region A and a second region B on one of the opposite sides of the second ring portion 13 (as Figure 4 shown). Specifically, the first signal terminals 4 are divided into two groups. One group is disposed in the first region A, and the other group is disposed in the second region B. The number of the first signal terminals 4 in the first region A and the second region B is equal, and the setting positions correspond to each other, and both forward and reverse insertion can be used. Preferably, the first signal terminals 4 are arranged in an arc shape. The first signal terminals 4 may be male terminals, but are not limited thereto.

[0034] Please review again Figures 6 to 8 , the second connector 200 is a female connector, including a second insulator 5, a third power terminal 6, a fourth power terminal 7, and a plurality of second signal terminals 8.

[0035] The second insulator 5 is made of an insulating material such as plastic. The second insulator 5 has a second base 51, a fourth ring portion 52, a fifth ring portion 53, and a sixth ring portion 54. The fourth ring portion 52, the fifth ring portion 53, and the sixth ring portion 54 are circular rings. The fourth ring portion 52, the fifth ring portion 53, and the sixth ring portion 54 are sequentially arranged on the second base 51 and are arranged in concentric circles. A sealing ring 55 can be provided on one side of the second base 51 to increase the sealing effect with the panel during assembly.

[0036] In this embodiment, two guiding ribs 531 can be provided on the outer side of the fifth ring portion 53. The two guiding ribs 531 extend along the axial direction (insertion and extraction direction) of the second insulator 5. Preferably, the two guiding ribs 531 are provided on opposite sides of the outer side of the fifth ring portion 53. When the first connector 100 and the second connector 200 are inserted into each other, the two guiding ribs 531 can cooperate with the two grooves 131 to provide the effect of guiding insertion and extraction.

[0037] The third power terminal 6 is made of a metal material with good electrical conductivity such as copper. The third power terminal 6 is a hollow cylinder and is arranged inside the fourth ring portion 52. Preferably, the third power terminal 6 includes a first tube body 61 and a first spring coil 62. The first spring coil 62 is arranged inside the first tube body 61. The first tube body 61 and the first spring coil 62 are in contact with each other, so that the first power terminal 2 can form conduction through the first spring coil 62 and the first tube body 61 to increase the electrical contact effect.

[0038] The fourth power terminal 7 is made of a metal material with good electrical conductivity such as copper. The fourth power terminal 7 is a hollow cylinder and is arranged inside the fifth ring portion 53. Preferably, the fourth power terminal 7 includes a second tube body 71 and a second spring coil 72. The second spring coil 72 is arranged inside the second tube body 71. The second tube body 71 and the second spring coil 72 are in contact with each other, so that the second power terminal 3 can form conduction through the second spring coil 72 and the second tube body 71 to increase the electrical contact effect. One end (rear end) of the fourth power terminal 7 (second tube body 71) can extend out of the second insulator 5, and a second connecting piece 73 can be sleeved on one end (rear end) of the fourth power terminal 7 to facilitate the connection of devices such as locking cables.

[0039] The second signal terminals 8 are made of a metal material with good electrical conductivity such as copper. The second signal terminals 8 are disposed between the fifth ring portion 53 and the sixth ring portion 54 and are distributed within a terminal block 56. One end (front end) of the terminal block 56 forms a plurality of openings 561, and the openings 561 respectively correspond to the second signal terminals 8. The openings 561 are for the corresponding first signal terminals 4 to be inserted therein, so that the first signal terminals 4 are in contact with the second signal terminals 8 to achieve electrical connection. Preferably, the terminal block 56 can be an arc-shaped block, and the second signal terminals 8 are arranged in an arc shape. The second signal terminals 8 can be female terminals, but there is no limitation thereto.

[0040] As Figure 9 shown, when the first connector 100 and the second connector 200 are plugged into each other, the first power terminal 2 and the second power terminal 3 are respectively in contact with the third power terminal 6 and the fourth power terminal 7, and the first signal terminals 4 located in the first area A or the second area B are respectively in contact with the second signal terminals 8, so that the first connector 100 and the second connector 200 achieve electrical connection, and the first ring portion 12, the second ring portion 13, and the third ring portion 14 are firmly engaged with the fourth ring portion 52, the fifth ring portion 53, and the sixth ring portion 54 in a sleeved manner, and can be used for both forward and reverse insertion.

[0041] [Advantages of the Embodiment]

[0042] The beneficial effects of the present invention are as follows. The concentric circle power exchange connection device provided by the present invention includes a first connector and a second connector. The first connector includes a first insulator, a first power terminal, a second power terminal, and a plurality of first signal terminals. The first insulator has a first base portion, a first ring portion, a second ring portion, and a third ring portion. The first ring portion, the second ring portion, and the third ring portion are circular ring bodies, and are sequentially arranged on the first base portion and arranged in concentric circles. The first power terminal is arranged at the center inside the first ring portion. The second power terminal is a hollow cylinder and is arranged outside the first ring portion. There is no insertion angle limit for the first power terminal and the second power terminal. These first signal terminals are arranged between the second ring portion and the third ring portion, and are located in a first area and a second area on opposite sides of the second ring portion. The second connector includes a second insulator, a third power terminal, a fourth power terminal, and a plurality of second signal terminals. The second insulator has a second base portion, a fourth ring portion, a fifth ring portion, and a sixth ring portion. The fourth ring portion, the fifth ring portion, and the sixth ring portion are circular ring bodies. The fourth ring portion, the fifth ring portion, and the sixth ring portion are sequentially arranged on the second base portion and arranged in concentric circles. The third power terminal is a hollow cylinder and is arranged inside the fourth ring portion. The fourth power terminal is a hollow cylinder and is arranged inside the fifth ring portion. There is no insertion angle limit for the third power terminal and the fourth power terminal. These second signal terminals are arranged between the fifth ring portion and the sixth ring portion and are distributed in the terminal block, so that these second signal terminals can be stably arranged and can stably contact with these first signal terminals. When the first connector and the second connector are inserted into each other, the first power terminal and the second power terminal are respectively in contact with the third power terminal and the fourth power terminal, and these first signal terminals located in the first area or the second area are respectively in contact with these second signal terminals, so that the first connector and the second connector achieve electrical connection, and can be used for both forward and reverse insertion. Moreover, the first ring portion, the second ring portion, and the third ring portion are sleeved with the fourth ring portion, the fifth ring portion, and the sixth ring portion, so that the first connector and the second connector can be firmly joined.

[0043] The above are only the preferred embodiments of the present invention, and are not intended to limit the patent protection scope of the present invention. Therefore, all equivalent changes made by using the content of the specification and drawings of the present invention are included in the protection scope of the present invention.

Claims

1. A concentric circle battery swapping connection device, characterized in that, Comprising: A first connector, including a first insulator, a first power terminal, a second power terminal and a plurality of first signal terminals. The first insulator has a first base portion, a first ring portion, a second ring portion and a third ring portion. The first ring portion, the second ring portion and the third ring portion are circular ring bodies, and are sequentially arranged on the first base portion and arranged in concentric circles. The first power terminal is disposed at the center inside the first ring portion, and there is a gap between the first power terminal and the first ring portion. The second power terminal is a hollow cylinder and is disposed outside the first ring portion, and there is a gap between the second power terminal and the second ring portion. The first signal terminals are disposed between the second ring portion and the third ring portion, and are located in a first region and a second region on opposite sides of the second ring portion; and A second connector, including a second insulator, a third power terminal, a fourth power terminal and a plurality of second signal terminals. The second insulator has a second base portion, a fourth ring portion, a fifth ring portion and a sixth ring portion. The fourth ring portion, the fifth ring portion and the sixth ring portion are circular ring bodies, and the fourth ring portion, the fifth ring portion and the sixth ring portion are sequentially arranged on the second base portion and arranged in concentric circles. The third power terminal is a hollow cylinder and is disposed inside the fourth ring portion, the fourth power terminal is a hollow cylinder and is disposed inside the fifth ring portion. The second signal terminals are disposed between the fifth ring portion and the sixth ring portion and are distributed in a terminal block. One end of the terminal block forms a plurality of openings, and the openings respectively correspond to the second signal terminals; Wherein when the first connector and the second connector are plugged into each other, the first power terminal and the second power terminal are respectively in contact with the third power terminal and the fourth power terminal, and the first signal terminals located in the first region or the second region are respectively in contact with the second signal terminals, so that the first connector and the second connector achieve electrical connection, and the first ring portion, the second ring portion and the third ring portion are sleeved with the fourth ring portion, the fifth ring portion and the sixth ring portion.

2. The concentric circle battery swapping connection device according to claim 1, characterized in that, A plurality of ribs are provided on the outside of the third ring portion, and the ribs extend along the axial direction of the first insulator, and one end of the ribs is beveled.

3. The concentric circle power replacement connection device according to claim 1, wherein Two grooves are provided on the second ring portion, and the two grooves extend along the axial direction of the first insulator. The two grooves are provided on opposite sides of the second ring portion. Two guiding ribs are provided on the outside of the fifth ring portion, and the two guiding ribs extend along the axial direction of the second insulator. The two guiding ribs are provided on opposite sides of the outside of the fifth ring portion. When the first connector and the second connector are plugged into each other, the two guiding ribs can cooperate with the two grooves.

4. The concentric circle battery swapping connection device according to claim 3, characterized in that, A plurality of reinforcing ribs are provided between the second ring portion and the third ring portion, and two ends of the reinforcing ribs are respectively connected to the second ring portion and the third ring portion, and the reinforcing ribs are respectively close to the two grooves.

5. The concentric circle battery swapping connection device according to claim 1, wherein The first base portion includes a central portion and an outer frame portion, and a rubber ring is provided between the central portion and the outer frame portion, and the rubber ring is connected to the central portion and the outer frame portion.

6. The concentric circle power replacement connection device according to claim 1, wherein These first signal terminals are divided into two groups, one group is arranged in the first area, and the other group is arranged in the second area. The number of the first signal terminals in the first area and the second area is equal, and the setting positions correspond to each other.

7. The concentric circle battery swapping connection device according to claim 1, characterized in that These first signal terminals are arranged in an arc shape, the terminal base is an arc-shaped seat body, and these second signal terminals are arranged in an arc shape.

8. The concentric circle power replacement connection device according to claim 1, wherein, The third power terminal includes a first tube body and a first spring coil. The first spring coil is arranged inside the first tube body. The first tube body and the first spring coil are in contact with each other. The first power terminal can form conduction with the first tube body through the first spring coil.

9. The concentric circle battery swapping connection device according to claim 1, wherein The fourth power terminal includes a second tube body and a second spring coil. The second spring coil is arranged inside the second tube body. The second tube body and the second spring coil are in contact with each other. The second power terminal can form conduction with the second tube body through the second spring coil.

10. The concentric circle battery swapping connection device according to claim 1, characterized in that, A sealing ring is provided on one side of the second base.

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