Female end connector and high-voltage connector

Abstract

The utility model relates to a female end connector and a high-voltage connector, and relates to the technical field of electronics. The female end connector comprises a main body assembly, a cable assembly and a fuse assembly, the cable assembly is at least partially arranged in the main body assembly, and the fuse assembly is arranged in the main body assembly and electrically connected to the cable assembly. The high-voltage connector comprises a male-end connector and the female-end connector, wherein the male-end connector and the female-end connector are in butt joint. The male end connector comprises a positive electrode plugging assembly and a negative electrode plugging assembly, the positive electrode plugging assembly is in butt joint with the second end of the fuse assembly, and the negative electrode plugging assembly is in butt joint with the negative electrode wire harness. The fuse assembly is integrated in the main body assembly of the female end connector, so that the occupied space is reduced, and the safety is improved.

Description

Technical Field

[0001] This application relates to the field of electronic technology, and in particular to a female connector and a high-voltage connector. Background Technology

[0002] With the development of electric vehicle technology, the number of high-voltage electrical components is increasing. The required number of high-voltage electrical distribution units is also increasing. Conventional high-voltage power distribution uses power distribution units (PDUs) with high-voltage connectors to provide power to different high-voltage electrical components. To ensure electrical safety, fuses are also required in the PDUs, resulting in larger space requirements and increased costs. Utility Model Content

[0003] This application provides a female connector and a high-voltage connector to solve the problem of large space occupation caused by installing high-voltage connectors and fuses on power distribution units.

[0004] To achieve the above objectives, this application provides a female connector, comprising: a body assembly, a cable assembly, and a fuse assembly, wherein the cable assembly is at least partially disposed inside the body assembly, and the fuse assembly is disposed inside the body assembly and electrically connected to the cable assembly.

[0005] To achieve the above objectives, this application also provides a high-voltage connector, including a male connector and a female connector of this application that are mated to each other; the male connector includes a positive terminal plugging component and a negative terminal plugging component, the positive terminal plugging component is mated to the second end of a fuse assembly, and the negative terminal plugging component is mated to a negative wire harness.

[0006] The female connector of this application includes a body assembly, a cable assembly, and a fuse assembly. Integrating the fuse assembly into the body assembly of the female connector reduces space occupation and improves safety. With the fuse assembly integrated within the body assembly, a first busbar is plugged into the upper port of the first double-ended female terminal, and a third busbar is plugged into the upper port of the second double-ended female terminal. This allows for quick repair and replacement of the fuse assembly, reducing maintenance costs. Attached Figure Description

[0007] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0008] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0009] Figure 1 This is a schematic diagram of the structure of the female connector provided in an exemplary embodiment of this disclosure;

[0010] Figure 2 This is an exploded structural diagram of the female connector provided in an exemplary embodiment of this disclosure;

[0011] Figure 3 This is a cross-sectional view of the female connector provided in an exemplary embodiment of this disclosure at the location of the positive electrode harness;

[0012] Figure 4 This is a cross-sectional view of the female connector provided in an exemplary embodiment of this disclosure;

[0013] Figure 5 This is a cross-sectional view of the female connector provided in an exemplary embodiment of this disclosure at the position of the negative wire harness;

[0014] Figure 6 This is a schematic diagram of the structure of the negative electrode harness provided in an exemplary embodiment of this disclosure;

[0015] Figure 7 This is a schematic diagram of the structure of the female double-ended terminal assembly connected to the fuse assembly provided in an exemplary embodiment of this disclosure;

[0016] Figure 8 This is a schematic diagram of the structure of the dual-head female terminal assembly provided in an exemplary embodiment of this disclosure;

[0017] Figure 9 This is a schematic diagram of the structure of the high-voltage connector provided in an exemplary embodiment of this disclosure;

[0018] Figure 10 This is a schematic diagram of the electrical connection of the high-voltage connector provided in an exemplary embodiment of this disclosure;

[0019] Figure 11 This is a schematic diagram of the structure of the male connector provided in an exemplary embodiment of this disclosure;

[0020] Figure 12 This is a cross-sectional view of the male connector provided in an exemplary embodiment of this disclosure.

[0021] Explanation of reference numerals in the attached figures:

[0022] 10. Female connector; 20. Male connector;

[0023] 1. Main body assembly; 2. Double-ended female terminal assembly; 3. Cable assembly; 4. Fuse assembly; 5. Cover plate assembly; 6. Positive terminal plug assembly; 7. Negative terminal plug assembly; 8. Insulating baffle; 9. Clip-on post;

[0024] 11. Outer shell; 12. Second shielding component; 13. Inner insulating shell; 14. Snap-fit ​​protrusion; 15. Lever snap-fit ​​structure; 16. First shielding component;

[0025] 21. First double-ended female terminal; 22. Second double-ended female terminal;

[0026] 31. Positive terminal harness; 311. First positive terminal busbar; 312. First positive terminal cable; 313. Second positive terminal busbar; 314. Second positive terminal cable; 32. Negative terminal harness; 321. Negative terminal busbar; 322. Negative terminal cable; 33. Cable shielding flange; 34. Wire sealing ring; 35. Rear cover shielding component; 36. Wire end rear cover;

[0027] 41. First busbar; 42. First fuse unit; 43. Second busbar; 44. Third busbar; 45. Second fuse unit; 46. Third fuse unit; 47. Base; 48. Fastener; 51. Top cover; 52. Sealing ring; 53. Top shield; 54. Base cover plate; 55. Hook structure;

[0028] 61. Positive busbar; 62. First dual-ended male terminal;

[0029] 71. Negative busbar; 72. Second dual-ended male terminal. Detailed Implementation

[0030] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the protection scope of this application.

[0031] Please refer to the following: Figures 1 to 5 The female connector 10 includes a main body assembly 1, a double-ended female terminal assembly 2, a cable assembly 3, a fuse assembly 4, and a cover plate assembly 5.

[0032] Please see Figure 4 The main component 1 includes an outer shell 11, a second shield 12, and an inner insulating shell 13. The second shield 12 is disposed inside the outer shell 11, and the inner insulating shell 13 is disposed inside the second shield 12.

[0033] Please see Figure 4The double-ended female terminal assembly 2 is disposed inside the main body assembly 1. The double-ended female terminal assembly 2 includes a first double-ended female terminal 21 and a second double-ended female terminal 22. The first double-ended female terminal 21 is disposed inside the inner insulating housing 13, and the second double-ended female terminal 22 is disposed parallel to and spaced apart from the first double-ended female terminal 21.

[0034] Please see Figures 3 to 5 The cable assembly 3 is at least partially disposed inside the main body assembly 1. The cable assembly 3 includes a positive wire harness 31 and a negative wire harness 32. The positive wire harness 31 is connected to the lower port of the double-ended female terminal assembly 2, and the first end of the fuse assembly 4 is inserted into the upper port of the double-ended female terminal assembly 2.

[0035] Please see Figures 3 to 4 as well as Figure 7 The positive wiring harness 31 includes a first positive wiring bus 311 and a first positive cable 312. One end of the first positive wiring bus 311 is connected to the first positive cable 312, and the other end of the first positive wiring bus 311 is plugged into the lower port of the first double-ended female terminal 21.

[0036] Please see Figures 3 to 4 as well as Figure 7 The positive wiring harness 31 also includes a second positive wiring bus 313 and a second positive cable 314. One end of the second positive wiring bus 313 is connected to the second positive cable 314, and the other end of the second positive wiring bus 313 is plugged into the lower port of the second double-ended female terminal 22.

[0037] Please see Figures 4 to 6 In some embodiments, the negative wiring harness 32 includes a negative wiring bus 321 and a negative cable 322, the negative cable 322 being connected to the negative wiring bus 321, and the negative wiring bus 321 being used to mate with the male connector 20.

[0038] Please see Figure 3 and Figure 5 In some embodiments, the cable assembly 3 further includes a cable shielding flange 33, a wire sealing ring 34, a rear cover shield 35, and a wire end rear cover 36. The cable shielding flange 33 is connected to the wire shields of the positive wire harness 31 and the negative wire harness 32. The rear cover shield 35 is connected to the cable shielding flange 33. The wire sealing ring 34 secures the cable shielding flange 33, the positive wire harness 31, and the negative wire harness 32. The wire end rear cover 36 is detachably connected to the main body assembly 1 to press the wire sealing ring 34 into the main body assembly 1. The rear cover shield 35 connects the cable shielding flange 33 to the second shield 12.

[0039] Please see Figure 10Preferably, the cable assembly 3 includes four circuits: a first positive cable 312, a second positive cable 314, and two negative cables 322. The protruding part at the top of the main body assembly 1 houses the fuse assembly 4, which contains three sets of fuse units. The number of fuse units is not fixed and can be adjusted according to the needs of the vehicle.

[0040] Please see Figures 2 to 5 as well as Figure 7 The fuse assembly 4 is disposed inside the main body assembly 1. The fuse assembly 4 is fixed to the outer shell 11 of the main body assembly 1 by fasteners 48. This application integrates the fuse assembly 4 into the main body assembly of the female connector 10, reducing space occupation and improving safety. In this embodiment, the fastener 48 is a self-tapping screw. In some embodiments, the fuse assembly 4 includes a first busbar 41, a first fuse unit 42, and a second busbar 43. The first busbar 41 is inserted into the upper port of the first double-ended female terminal 21, and the two ends of the first fuse unit 42 are respectively connected to the first busbar 41 and the second busbar 43. The second busbar 43 is used to mate with the male connector 20. The fuse assembly 4 of this application is integrated into the main body assembly 1, and the first busbar 41 is inserted into the upper port of the first double-ended female terminal 21, thereby enabling quick repair and replacement of the fuse assembly 4 and reducing maintenance costs.

[0041] Please see Figure 4 and Figure 8 In some embodiments, the fuse assembly 4 further includes a third busbar 44 and a second fuse unit 45. The third busbar 44 is plugged into the upper port of the second double-ended female terminal 22, and the two ends of the second fuse unit 45 are respectively connected to the third busbar 44 and the second busbar 43. It is understood that if the fuse assembly 4 further includes a third busbar 44 and a second fuse unit 45, then the third busbar 44 and the first busbar 41 are arranged adjacent to each other with a gap. The fuse assembly 4 of this application is integrated into the main body assembly 1, and the third busbar 44 is plugged into the upper port of the second double-ended female terminal 22, thereby enabling quick repair and replacement of the fuse assembly 4 and reducing maintenance costs.

[0042] Please see Figure 4 and Figure 8 In some embodiments, the fuse assembly 4 further includes a third fuse unit 46, which is connected in parallel with the second fuse unit 45. The two ends of the third fuse unit 46 are respectively connected to a third busbar 44 and a second busbar 43. It is understood that if the fuse assembly 4 further includes a third fuse unit 46, then preferably, the first fuse unit 42, the second fuse unit 45, and the third fuse unit 46 are spaced apart from each other.

[0043] Please see Figures 3 to 5In some embodiments, the main body assembly 1 is provided with a first shield 16. The fuse assembly 4 also includes a base 47, which is at least partially disposed within the first shield 16, and the first busbar 41, the first fuse unit 42 and the second busbar 43 are fixed on the base 47.

[0044] The base 47 has an opening in the middle, which corresponds to the double-ended female terminal assembly 2. Specifically, the first bus 41 passes through the opening and is inserted into the upper port of the first double-ended female terminal 21, and the third bus 44 passes through the opening and is inserted into the upper port of the second double-ended female terminal 22.

[0045] Please see Figures 2 to 5 In some embodiments, the cover assembly 5 is connected to one end of the main body assembly 1. The cover assembly 5 includes a top cover 51, a sealing ring 52, a top shield 53, and a base cover 54. The sealing ring 52, the top shield 53, and the base cover 54 are all disposed within the top cover 51, with the top shield 53 located on the side of the sealing ring 52 facing the main body assembly 1, and the base cover 54 located on the side of the top shield 53 facing the main body assembly 1.

[0046] Understandably, please refer to Figures 2 to 5 When the cover plate assembly 5 is fastened and connected to the main body assembly 1, the top shield 53 and the first fuse unit 42, the second fuse unit 45 and the third fuse unit 46 of the fuse assembly 4 are spaced apart and not connected to each other, while the top shield 53 is connected to the first shield 16 and the second shield 12.

[0047] Please see Figure 2 The top cover 51 is fastened to the main body component 1 by setting a hook structure 55 on the outside of the top cover 51 and a snap-fit ​​protrusion 14 on the outside of the outer shell 11 of the main body component 1. The snap-fit ​​protrusion 14 is snapped into the hook structure 55. The top cover 51 of the cover plate component 5 and the outer shell 11 of the main body component 1 are fixed by the cooperation between the snap-fit ​​protrusion 14 and the hook structure 55.

[0048] When assembling the female connector 10, first fix the main body component 1, install the double-ended female terminal component 2 inside the main body component 1, so that the positive wire harness 31 of the cable component 3 is connected to the lower port of the double-ended female terminal component 2, insert the first end of the fuse component 4 into the upper port of the double-ended female terminal component 2, and finally fasten the cover plate component 5 to the main body component 1 to seal the fuse component 4 inside the main body component 1.

[0049] When replacing fuse assembly 4, simply open cover assembly 5, remove fastener 48, and pull out fuse assembly 4 to replace it with a new fuse assembly 4.

[0050] The female connector 10 of this application includes a main body assembly 1, a cable assembly 3, and a fuse assembly 4. The fuse assembly 4 is integrated into the main body assembly 1 of the female connector 10, reducing space occupation and improving safety. With the fuse assembly 4 integrated within the main body assembly 1, a first busbar 41 is plugged into the upper port of the first double-ended female terminal 21, and a third busbar 44 is plugged into the upper port of the second double-ended female terminal 22. This allows for quick repair and replacement of the fuse 4, reducing maintenance costs.

[0051] Please see Figure 9 This application also provides a high-voltage connector. The high-voltage connector includes a male connector 20 and a female connector 10 that mat with each other. The high-voltage connector is adapted to a vehicle, which may be a gasoline-powered vehicle, a plug-in hybrid electric vehicle, or a new energy vehicle. That is, this application also provides a vehicle that includes the high-voltage connector.

[0052] Please see Figure 10 and Figure 11 The male connector 20 includes a positive terminal plug-in assembly 6 and a negative terminal plug-in assembly 7. The positive terminal plug-in assembly 6 is connected to the second end of the fuse assembly 4, and the negative terminal plug-in assembly 7 is connected to the negative wire harness 32. Specifically, the positive terminal plug-in assembly 6 is connected to the second busbar 43 of the fuse assembly 4; the negative terminal plug-in assembly 7 is connected to the negative terminal busbar 321 of the negative wire harness 32.

[0053] Please see Figure 11 and Figure 12 In some embodiments, the positive terminal plug-in assembly 6 includes a positive terminal bus 61 and a first double-ended male terminal 62. The positive terminal bus 61 is plugged into one end of the first double-ended male terminal 62, and the second end of the fuse assembly 4 is plugged into the other end of the first double-ended male terminal 62. The negative terminal plug-in assembly 7 includes a negative terminal bus 71 and a second double-ended male terminal 72. The negative terminal bus 71 is plugged into one end of the second double-ended male terminal 72, and the negative terminal harness 32 is plugged into the other end of the second double-ended male terminal 72.

[0054] The positive bus 61 and the negative bus 71 are provided with openings for pressing nuts to facilitate electrical connection with external cables. Preferably, the male connector 20 also includes an insulating baffle 8, which is disposed between the positive bus 61 and the negative bus 71.

[0055] To ensure a tight connection between the female connector 10 and the male connector 20, a lever-locking structure 15 is provided on the outer side of the outer shell 11 of the main body assembly 1. The lever-locking structure 15 can rotate along the axis of rotation. Figure 3As shown. The outer surface of the male connector 20 is provided with a locking post 9, and the lever locking structure 15 is provided with an arc-shaped locking through hole. When the male connector 20 is inserted into the female connector 10, the lever locking structure 15 is rotated to make the locking post 9 pass through the arc-shaped locking through hole. Rotating the lever locking structure 15 limits the locking post 9 in the arc-shaped locking through hole to achieve mutual locking of the female connector 10 and the male connector 20.

[0056] The high-voltage connector of this application realizes the electrical connection between the positive bus 61 in the male connector 20 and the second bus in the female connector 10 through the first double-ended male terminal 62, and realizes the electrical connection between the negative bus 71 in the male connector 20 and the second bus in the female connector 10 through the second double-ended male terminal 72. It can realize circuit connection and disconnection through quick plugging and has the function of switching circuit.

[0057] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0058] In the above embodiments, the descriptions of each embodiment have their own emphasis. Parts not described in detail in a particular embodiment can be referred to in the relevant descriptions of other embodiments. The embodiments, implementation methods, and related technical features of this application can be combined and substituted for each other without conflict.

[0059] The above are merely preferred embodiments of this application and are not intended to limit this application in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the scope of the technical solution of this application shall still fall within the scope of the technical solution of this application.

Claims

1. A female connector, characterized in that, include: The main body assembly (1), the cable assembly (3) and the fuse assembly (4) are provided, wherein the cable assembly (3) is at least partially disposed inside the main body assembly (1) and the fuse assembly (4) is disposed inside the main body assembly (1) and electrically connected to the cable assembly (3).

2. The female connector according to claim 1, characterized in that, It also includes a double-ended female terminal assembly (2), which is disposed inside the main body assembly (1). One end of the double-ended female terminal assembly (2) is electrically connected to the cable assembly (3), and the other end of the double-ended female terminal assembly (2) is electrically connected to the fuse assembly (4).

3. The female connector according to claim 2, characterized in that, The cable assembly (3) includes a positive wire harness (31) and a negative wire harness (32). The positive wire harness (31) is connected to the lower port of the double-ended female terminal assembly (2), and the first end of the fuse assembly (4) is inserted into the upper port of the double-ended female terminal assembly (2).

4. The female connector according to claim 3, characterized in that, The dual-ended female terminal assembly (2) includes a first dual-ended female terminal (21), and the fuse assembly (4) includes a first busbar (41), a first fuse unit (42), and a second busbar (43). The first busbar (41) is plugged into the upper port of the first dual-ended female terminal (21), and the two ends of the first fuse unit (42) are respectively connected to the first busbar (41) and the second busbar (43). The second busbar (43) is used to mate with the male connector (20).

5. The female connector according to claim 4, characterized in that, The positive wire harness (31) includes a first positive wiring bus (311) and a first positive cable (312). One end of the first positive wiring bus (311) is connected to the first positive cable (312), and the other end of the first positive wiring bus (311) is plugged into the lower port of the first double-ended female terminal (21).

6. The female connector according to claim 5, characterized in that, The dual-ended female terminal assembly (2) further includes a second dual-ended female terminal (22), which is arranged parallel to and spaced apart from the first dual-ended female terminal (21); The fuse assembly (4) further includes a third bus (44) and a second fuse unit (45). The third bus (44) is plugged into the upper port of the second double-ended female terminal (22), and the two ends of the second fuse unit (45) are respectively connected to the third bus (44) and the second bus (43).

7. The female connector according to claim 6, characterized in that, The positive wire harness (31) also includes a second positive wiring bus (313) and a second positive cable (314). One end of the second positive wiring bus (313) is connected to the second positive cable (314), and the other end of the second positive wiring bus (313) is plugged into the lower port of the second double-ended female terminal (22).

8. The female connector according to claim 6, characterized in that, The fuse assembly (4) further includes a third fuse unit (46), which is arranged in parallel with the second fuse unit (45). The two ends of the third fuse unit (46) are respectively connected to the third busbar (44) and the second busbar (43).

9. The female connector according to claim 3, characterized in that, The negative wiring harness (32) includes a negative wiring bus (321) and a negative cable (322), the negative cable (322) being connected to the negative wiring bus (321), and the negative wiring bus (321) being used to mate with the male connector (20).

10. The female connector according to claim 4, characterized in that, The main component (1) is provided with a first shield (16), and the fuse assembly (4) further includes a base (47). The base (47) is at least partially disposed within the first shield (16), and the first busbar (41), the first fuse unit (42) and the second busbar (43) are fixed on the base (47). The base (47) has an opening in the middle, which corresponds to the double-headed female terminal assembly (2).

11. The female connector according to claim 3, characterized in that, The cable assembly (3) further includes a cable shielding flange (33), a wire sealing ring (34), a rear cover shield (35), and a wire end rear cover (36). The cable shielding flange (33) is connected to the wire shield of the positive wire harness (31) and the wire shield of the negative wire harness (32). The rear cover shield (35) is connected to the cable shielding flange (33). The wire sealing ring (34) fixes the cable shielding flange (33), the positive wire harness (31), and the negative wire harness (32). The wire end rear cover (36) is detachably connected to the main body assembly (1) to press the wire sealing ring (34) into the main body assembly (1).

12. The female connector according to claim 1, characterized in that, It also includes a cover plate assembly (5), which is connected to one end of the main body assembly (1). The cover plate assembly (5) includes a top cover (51), a sealing ring (52), a top shield (53), and a base cover (54). The sealing ring (52), the top shield (53), and the base cover (54) are all disposed inside the top cover (51). The top shield (53) is located on the side of the sealing ring (52) facing the main body assembly (1), and the base cover (54) is located on the side of the top shield (53) facing the main body assembly (1).

13. A high-voltage connector, characterized in that, Includes a male connector that mates with each other and a female connector as described in any one of claims 1-12; The male connector (20) includes a positive plug assembly (6) and a negative plug assembly (7). The positive plug assembly (6) is connected to the second end of the fuse assembly (4), and the negative plug assembly (7) is connected to the negative wire harness (32).

14. The high-voltage connector according to claim 13, characterized in that, The positive terminal plug-in assembly (6) includes a positive terminal bus (61) and a first double-ended male terminal (62). The positive terminal bus (61) is plugged into one end of the first double-ended male terminal (62), and the second end of the fuse assembly (4) is plugged into the other end of the first double-ended male terminal (62). The negative terminal connector (7) includes a negative terminal bus (71) and a second double-ended male terminal (72). The negative terminal bus (71) is plugged into one end of the second double-ended male terminal (72), and the negative terminal harness (32) is plugged into the other end of the second double-ended male terminal (72).

Images