Low-voltage module capable of accurately guiding high current carrying and power conversion connector applying low-voltage module

Abstract

The utility model discloses a low-voltage module capable of accurately guiding high-current-carrying current and a power conversion connector using the low-voltage module. The low-voltage module of the power conversion connector comprises an upper movable seat, a lower base, a guide terminal and a signal contact pin, wherein the guide terminal and the signal contact pin can transmit low-voltage signals; the upper movable seat is fixedly connected with a plurality of guide terminals and a plurality of signal pins; a lead column at the lower end of the guide terminal is in clearance fit with a guide transmission hole of the lower base, the tail end of the lead column is located below an insertion column of the signal pin, and the diameter of the lead column is larger than that of the insertion column. When the plug shell is matched with the socket shell, the upper movable seat drives the guide terminal and the signal pins to move downwards, the lead column of the guide terminal is firstly in contact with the plugging guide transmission hole to realize the positioning guide of the plurality of signal pins, and then the plugging columns of the plurality of signal pins quickly and accurately enter the signal jacks. The utility model has the advantages of high matching precision, small overall plugging force, and high current-carrying transmission signal effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of connector, especially in a kind of accurate guiding high current's low voltage module and the battery swap connector of applying it. BACKGROUND

[0002] Battery swap connector is widely used in new energy equipment, and the low voltage module is an important part of the battery swap connector. In the vehicle end socket and the battery end plug of the battery swap connector, the dozens of signal PIN pins of the low voltage module need to be inserted into the signal jack. Therefore, high-precision guidance is required. Currently, the guidance is simply relied on the guide column of the vehicle end socket and the guide sleeve of the battery end plug. The defects are as follows: first, the guidance precision of the guide column and the guide sleeve is low, and the fitting gap is difficult to effectively reduce, which makes the coordination precision of the low voltage module poor and difficult to quickly and effectively assemble; second, the guidance of the guide column and the guide sleeve has limited contact lubrication effect, and there is still a large friction resistance, so the plug-in force of the overall structure and the low voltage module is still large, and it is easy to be stuck; third, in order to achieve effective assembly, only the precision of the parts and the assembly precision can be simply pursued, which causes the production cost to rise; fourth, the current-carrying capacity of the signal plug-in module is weak, and it cannot adapt to the signal transmission of super large current. SUMMARY

[0003] In order to solve one or more of the above problems, the utility model provides a kind of accurate guiding high current's low voltage module and the battery swap connector of applying it.

[0004] According to one aspect of the utility model, the low voltage module with accurate guidance and high current-carrying capacity comprises: an upper moving seat, a lower base, and guide terminals and signal pins that can transmit low voltage signals.

[0005] The upper moving seat is fixedly connected to the upper ends of a plurality of guide terminals and the upper ends of a plurality of signal pins at the edge, and is installed in the plug shell.

[0006] The lower base is provided with a plurality of guide transmission holes opposite to the guide terminals and a plurality of signal jacks opposite to the signal pins at the middle, and is installed in the socket shell.

[0007] The lead column at the lower end of the guide terminal is in gap cooperation with the guide transmission hole, and the end of the lead column is located below the plug-in column of the signal pin, and the diameter of the lead column is greater than the diameter of the plug-in column.

[0008] When the plug shell is matched with the socket shell, the upper moving seat drives the guide terminals and the signal pins to move downward, the lead column of the guide terminal first contacts the plug-in guide transmission hole to realize the positioning and guidance of the plurality of signal pins, and then the plug-in column of the plurality of signal pins quickly and accurately enters the signal jack.

[0009] The low-voltage module with precise guiding high current is provided with a high current transmission signal and a guiding terminal with a guiding structure as a secondary guiding structure of the low-voltage module, which is matched with the main guiding structure of the battery replacement connector, and has the following advantages: first, the secondary guiding structure of the low-voltage module can effectively improve the assembly precision of the signal pins and realize high-precision, low-resistance and rapid assembly of dozens of signal pins; second, a large number of signal pins are guided by the guiding terminal to realize high-precision guiding, so that the low-voltage module has precise guiding function, and the positioning and matching of the low-voltage signal assembly with a large number of pins completely rely on the matching precision of the main guiding structure and all parts of the interface, thereby effectively reducing the plugging resistance of the multi-pin structure, and the overall plugging force is small and smooth without jamming; third, the structure greatly reduces the part cost and manufacturing cost, so that the overall cost of the connector is lower and has a cost advantage; fourth, the structure simultaneously transmits low-voltage signals through the signal pins with small size and low current and the guiding terminal with large size and high current, and is suitable for application scenarios with super large current.

[0010] In some embodiments, the guiding terminal is four, and the upper end of the four guiding terminals is symmetrically fixed and connected to the upper moving four corners, and the lower base is symmetrically provided with four guiding transmission holes in the four corners;

[0011] The upper moving seat is fixedly connected to a plurality of rectangular array signal pins in the middle, and the lower base is provided with a plurality of signal pin holes in the middle rectangular array.

[0012] In some embodiments, the lead column end is provided with a locating end head in the form of an inverted cone structure, and the upper end of the guiding transmission hole is provided with a guiding inclined surface in the form of an inverted angle structure.

[0013] In some embodiments, the guiding inclined surface is provided with a large-diameter cylindrical guiding groove at the upper end, and the guiding groove is provided with a guiding round corner at the upper end.

[0014] In some embodiments, the upper moving seat includes an upper shell and an inner clamping seat fixed in the upper shell, the first elastic clamping hole in the four corners of the inner clamping seat clamps the high current insertion hole segment at the upper end of the guiding terminal, and the upper step hole of the first positioning hole in the four corners of the upper surface of the upper shell is in equal diameter and is connected to the first positioning shoulder in the middle of the guiding terminal.

[0015] In some embodiments, the inner clamping seat is provided with a plurality of second elastic clamping holes in the middle rectangular array, and the upper surface of the upper shell is provided with a plurality of second positioning holes in the form of stepped hole structures in the middle rectangular array.

[0016] The second elastic clamping hole clamps and connects the low current insertion hole segment at the upper end of the signal pin, and the upper step hole of the second positioning hole is in equal diameter and is connected to the second positioning shoulder in the middle of the signal pin.

[0017] In some embodiments, the inner clamping seat is inserted and connected to the upper end cavity of the upper shell.

[0018] The two ends of the inner clamping seat are in interference connection with the two ports of the upper shell through the primary tension spring.

[0019] In some embodiments, the upper end of the upper shell is further provided with a height limiting column.

[0020] In some embodiments, the guide terminal and the signal pin are made of copper, and the upper movable seat and the lower base are made of nylon composite material.

[0021] The battery connector comprises a plug shell mounted at a battery end, a floating socket shell mounted at a vehicle end, a high-voltage module, two main guide columns, and any low-voltage module.

[0022] The two ends of the plug shell are symmetrically connected to the upper ends of the two main guide columns, and the middle two cavities are fixedly connected to the power terminal of the high-voltage module and the upper movable seat of the low-voltage module.

[0023] The two ends of the socket shell are symmetrically provided with two guide sleeves, and the middle is mounted with a power jack of the high-voltage module and a lower base of the low-voltage module. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a three-dimensional schematic view of the separation state of the low-voltage module with accurate guidance and high current of an embodiment of the utility model;

[0025] Figure 2 It is a sectional view of the upper movable seat, the guide terminal and the signal pin shown in the figure. Figure 1

[0026] It is a three-dimensional exploded view of the upper movable seat shown in the figure. Figure 3 Figure 1 It is a three-dimensional view of the guide terminal shown in the figure.

[0027] Figure 4 Figure 1 It is a three-dimensional view of the lower base shown in the figure.

[0028] Figure 5 It is a three-dimensional view of the lower base shown in the figure. Figure 1

[0029] It is a three-dimensional view of the lower base shown in the figure. Figure 6

[0030] The low-voltage module 00;

[0031] The upper movable seat 1, the inner clamping seat 10, the upper shell 11, the first elastic clamping hole 12, the second elastic clamping hole 13, the primary tension spring 14, the first positioning hole 15, the second positioning hole 16, the clamping table 17, the second-order clamping groove 18, the height limiting column 19.

[0032] ​​​Lower base 2, guide transmission hole 21, signal jack 22, guide slope 23, guide groove 24, guide round corner 25;

[0033] Guide terminal 3, lead column 30, locating end 31, high current jack section 32, first positioning shoulder 33; signal pin 4, plug-in column 41, low current jack section 42, second positioning shoulder 43;

[0034] Plug shell 01;

[0035] Socket shell 02, guide sleeve 020;

[0036] Main guide column 03. DETAILED DESCRIPTION

[0037] The utility model will be further explained in detail below in combination with the drawings. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "in" and "out" refer to the directions towards or away from the geometric center of a particular component.

[0038] Figures 1 to 6 An accurate guide high current low-voltage module according to an embodiment of the utility model is schematically shown. As shown in the figure, the accurate guide high current low-voltage module comprises: an upper moving seat 1, a lower base 2, and guide terminals 3 and signal pins 4 that can both transmit low-voltage signals;

[0039] The upper moving seat 1 is fixedly connected to the upper ends of a plurality of guide terminals 3 on the edge and fixedly connected to the upper ends of a plurality of signal pins 4 in the middle, and the upper moving seat 1 is installed in a plug shell 01;

[0040] The lower base 2 is provided with a plurality of guide transmission holes 21 opposite to the guide terminals 3 in the up-down direction on the edge and a plurality of signal jacks 22 opposite to the signal pins 4 in the up-down direction in the middle, and the lower base 2 is installed in a socket shell 02;

[0041] The lead column 30 at the lower end of the guide terminal 3 is in clearance fit with the guide transmission hole 21, the end of the lead column 30 is located below the plug-in column 41 of the signal pin 4, and the diameter of the lead column 30 is greater than the diameter of the plug-in column 41;

[0042] When the plug shell 01 is matched with the socket shell 02, the upper moving seat 1 drives the guide terminals 3 and the signal pins 4 to move downward, the lead column 30 of the guide terminal 3 first contacts the plug-in guide transmission hole 21 to realize the positioning and guiding of the plurality of signal pins 4, and then the plug-in columns 41 of the plurality of signal pins 4 quickly and accurately enter the signal jacks 22.

[0043] The low-voltage module with precise guiding high-current is provided with a guiding terminal 3 with a guiding structure as a secondary guiding structure of the low-voltage module, which cooperates with the primary guiding structure of the battery swap connector, and has the following advantages: first, the secondary guiding structure of the low-voltage module can effectively improve the assembly precision of the signal pins 4, and realize high-precision, low-resistance and rapid assembly of dozens of signal pins 4; second, a large number of signal pins 4 are guided with high precision by the guiding terminal 3, so that the low-voltage module has precise guiding function, and the positioning and cooperation of the low-voltage signal assembly with a large number of pins completely rely on the cooperation precision of the primary guiding structure and all parts of the interface, which effectively reduces the plug-in resistance of the multi-pin structure, and the overall plug-in force is small and smooth without jamming; third, the structure greatly reduces the cost of parts and manufacturing, and makes the overall cost of the connector lower and more cost-competitive; fourth, the structure simultaneously transmits low-voltage signals by the signal pins 4 with small size and low current and the guiding terminal 4 with large size and high current, and is suitable for application scenarios with super large current.

[0044] Preferably, the guiding terminal 3 is four, and the upper end of the four guiding terminals 3 is fixedly connected to the four corners of the upper movable seat 1, and the lower base 2 is provided with four guiding transmission holes 21 symmetrically arranged at the four corners. The middle of the upper movable seat 1 is fixedly connected to a plurality of signal pins 4 arranged in a rectangular array, and the middle of the lower base 2 is provided with a plurality of signal insertion holes 22 arranged in a rectangular array. The arrangement makes the load uniform and the cooperation more precise.

[0045] Further, the end of the lead column 30 is provided with a locating end head 31 with a reverse conical structure, and the upper end of the guiding transmission hole 21 is provided with a guiding inclined surface 23 with a chamfer structure. Preferably, the upper end of the guiding inclined surface 23 is provided with a large-diameter cylindrical guiding groove 24, and the upper end of the guiding groove 24 is provided with a guiding round corner 25. The arrangement can quickly guide and improve the plug-in deviation.

[0046] Further, the upper movable seat 1 includes an upper shell 11 and an inner clamping seat 10 fixed in the upper shell 11; the inner clamping seat 10 is provided with first elastic clamping holes 12 at the four corners, and the lower end of the first elastic clamping hole 12 is divided into a circumferential array by a plurality of axial gap openings into first clamping pieces;

[0047] The upper surface of the upper shell 11 is provided with first positioning holes 15 with a stepped hole structure symmetrically arranged at the four corners;

[0048] The first elastic clamping hole 12 clamps the high-current insertion hole section 32 at the upper end of the guiding terminal 3, and the upper stepped hole of the first positioning hole 15 is in diameter matched with the first positioning shoulder 33 in the middle of the guiding terminal 3.

[0049] The middle of the inner clamping seat 10 is provided with a plurality of second elastic clamping holes 13 arranged in a rectangular array, and the lower end of the second elastic clamping hole 13 is divided into a circumferential array by a plurality of axial gap openings into second clamping pieces;

[0050] A plurality of second positioning holes 16 with stepped hole structures are arranged in the middle of the upper surface of the upper shell 11 in a rectangular array.

[0051] The second elastic clamping hole 13 clamps and connects the low-current socket segment 42 at the upper end of the signal plug pin 4, and the upper stepped hole of the second positioning hole 16 is in equal-diameter sleeve connection with the second positioning shoulder 43 in the middle of the signal plug pin 4.

[0052] Further, the inner clamping seat 10 is inserted and connected to the upper end cavity of the upper shell 11, the primary tensioning spring 14 on both sides of the inner clamping seat 10 is in interference connection with the two ports of the upper shell 11, and the clamping table 17 on both sides of the inner clamping seat 10 is in clamping and fixed connection with the second-order clamping groove 18 of the upper shell 11.

[0053] Preferably, the upper shell 11 is further provided with a height limiting column 19.

[0054] Preferably, the guide terminal 3 and the signal plug pin 4 are made of copper material, and the upper movable seat 1 and the lower base 2 are made of nylon composite material.

[0055] The plug shell 01 and the floating socket shell 02 mounted at the vehicle end are made of die-cast aluminum alloy material.

[0056] The utility model further provides a kind of battery swap connector, comprising: plug shell 01 mounted at battery end, floating socket shell 02 mounted at vehicle end, high-voltage module, two main guide columns 03 and the low-voltage module 00 of any one described above;

[0057] The plug shell 01 is symmetrically connected to the upper end of the two main guide columns 03 at both ends, and the middle two cavities are respectively fixedly connected to the power terminal of the high-voltage module and the upper movable seat 1 of the low-voltage module 00.

[0058] The socket shell 02 is symmetrically provided with two guide sleeves 020 at both ends, and the middle is mounted with the power socket of the high-voltage module and the lower base 2 of the low-voltage module 00.

[0059] The above merely describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, some modifications and improvements can be made, and these all belong to the protection scope of the present application.

Claims

1. A precision guided low voltage module for high current carrying, characterized in that, It includes: the upper moving seat (1), the lower base (2) and the guide terminal (3) and the signal pin (4) which can transmit low voltage signal; The upper moving seat (1) is fixedly connected with the upper end of the plurality of guide terminals (3) and the upper end of the plurality of signal pins (4) in the middle, and the upper moving seat (1) is installed in the plug shell (01); The lower base (2) is provided with the plurality of guide transmission holes (21) opposite to the upper and lower guide terminals (3) in the edge and is provided with the plurality of signal insertion holes (22) opposite to the upper and lower signal pins (4) in the middle, and the lower base (2) is installed in the socket shell (02); The lead column (30) at the lower end of the guide terminal (3) is in clearance fit with the guide transmission hole (21), the end of the lead column (30) is located below the plug-in column (41) of the signal pin (4), and the diameter of the lead column (30) is greater than the diameter of the plug-in column (41); When the plug shell (01) is matched with the socket shell (02), the upper moving seat (1) drives the guide terminal (3) and the signal pin (4) to move downward, the lead column (30) of the guide terminal (3) first contacts the plug-in guide transmission hole (21) to realize the positioning and guiding of the plurality of signal pins (4), and then the plug-in column (41) of the plurality of signal pins (4) quickly and accurately enters the signal insertion hole (22).

2. The low voltage module of claim 1, wherein, The guide terminal (3) is four, the upper end of the four guide terminals (3) is fixedly connected with the four corners of the upper moving seat (1) in symmetry, and the lower base (2) is provided with the four guide transmission holes (21) in the four corners in symmetry; The upper moving seat (1) is fixedly connected with the plurality of rectangular array signal pins (4) in the middle, and the lower base (2) is provided with the plurality of signal insertion holes (22) in the middle rectangular array.

3. The low-voltage module with precise high current carrying capacity according to claim 1, characterized in that, The end of the lead column (30) is provided with a locating end head (31) in the form of an inverted cone structure, and the upper end of the guide transmission hole (21) is provided with a guide inclined surface (23) in the form of an inverted angle structure.

4. The low voltage module of claim 3, wherein the module is configured to be mounted on a printed circuit board. The upper end of the guide inclined surface (23) is provided with a large-diameter cylindrical guide groove (24), and the upper end of the guide groove (24) is provided with a guide round corner (25).

5. The low voltage module of claim 1, wherein, The upper moving seat (1) comprises an upper shell (11) and an inner clamping seat (10) fixed in the upper shell (11), the first elastic clamping hole (12) in the four corners of the inner clamping seat (10) clamps the high-current insertion hole section (32) at the upper end of the guide terminal (3), and the upper step hole of the first positioning hole (15) in the four corners of the upper surface of the upper shell (11) is in equal-diameter sleeve connection with the first positioning shoulder (33) in the middle of the guide terminal (3).

6. The low voltage module of claim 5, wherein the module is configured to be mounted on a printed circuit board. The inner clamping seat (10) is provided with a plurality of second elastic clamping holes (13) in the middle rectangular array, and the upper surface of the upper shell (11) is provided with a plurality of second positioning holes (16) in the form of stepped hole structure in the middle rectangular array; The second elastic clamping hole (13) clamps the low-current insertion hole section (42) at the upper end of the signal pin (4), and the upper step hole of the second positioning hole (16) is in equal-diameter sleeve connection with the second positioning shoulder (43) in the middle of the signal pin (4).

7. The low voltage module of claim 5, wherein the module is configured to be mounted on a printed circuit board. The inner clamping seat (10) is inserted and connected with the upper end cavity of the upper shell (11). The primary tension spring (14) on both sides of the inner clamping seat (10) is interference connected with the two ports of the upper shell (11), and the clamping table (17) on both sides of the inner clamping seat (10) is fixedly connected with the second clamping groove (18) of the upper shell (11) through clamping.

8. The low voltage module of claim 5, wherein the module is a precision guided high current module. The upper shell (11) is further provided with a height limiting column (19) at the lower end.

9. The low voltage module of any one of claims 1 to 8, wherein the module is a precision guided high current module. The guide terminal (3) and the signal pin (4) are made of copper material, and the upper moving seat (1) and the lower base (2) are made of nylon composite material.

10. A battery swap connector, comprising: Comprise: The plug shell (01) is mounted at the battery end, the floating socket shell (02) is mounted at the vehicle end, the high-voltage module, the two main guide columns (03), and the low-voltage module (00) of any one of claims 1 to 9; The plug shell (01) is symmetrically connected with the upper ends of the two main guide columns (03) at both ends and is fixedly connected with the power terminal of the high-voltage module and the upper moving seat (1) of the low-voltage module (00) in the middle two cavities; The socket shell (02) is symmetrically provided with two guide sleeves (020) at both ends and is mounted with the power jack of the high-voltage module and the lower base (2) of the low-voltage module (00) in the middle.

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