CN220822090U - High-voltage connector and shielding structure for high-voltage connector - Google Patents

Abstract

The utility model discloses a shielding structure for a high-voltage connector, which comprises a first shielding component and a second shielding component, wherein the first shielding component is arranged at a part of a high-voltage wire harness entering a plug shell and comprises an inner shielding ring and an outer shielding ring which are overlapped, and the outer shielding ring is abutted against the inner wall of the plug shell; the second shielding component is arranged at the joint of the bottom end of the plug and the socket. The utility model also discloses a high-voltage connector comprising the shielding structure. The shielding structure is simple, the installation is convenient, and two-section shielding conduction from the wire harness to the plug and from the plug to the socket can be realized.

Description

High-voltage connector and shielding structure for high-voltage connector

Technical Field

The present utility model relates to a high-voltage connector and a shielding structure for a high-voltage connector.

Background

The EMC performance of the automobile product is very important, so that the high-voltage wire harness is ensured not to interfere with other equipment, and is also ensured not to be influenced by the other equipment, and the EMC performance is one of the most important indexes of the quality of the new energy automobile product. However, the magnetic field generated in the process of transmitting high-voltage current is difficult to avoid by the automobile, and influences on other devices are generated, so that a shielding structure is usually arranged on the high-voltage wire harness.

In the prior art, the high-voltage connector generally uses structures such as an inner shielding ring, an outer shielding ring, a shielding cover and the like to realize shielding connection between a high-voltage wire harness and a high-voltage connector plug as well as between the high-voltage connector plug and a high-voltage connector socket, but the shielding ring and the shielding cover are arranged inside the plug and are matched with structures such as a wiring terminal and an internal insulator, so that the shielding structure and the plug structure are complex, and processing and assembly are not easy.

Disclosure of utility model

The utility model aims to: the utility model aims to provide a high-voltage connector and a shielding structure for the high-voltage connector.

The technical scheme is as follows: the utility model relates to a shielding structure for a high-voltage connector, which comprises a first shielding component and a second shielding component, wherein the first shielding component is arranged at the part of a wire harness of the high-voltage connector, which enters a plug shell, and comprises an inner shielding ring and an outer shielding ring which are sleeved in a overlapping manner, and the outer shielding ring is abutted against the inner wall of the plug shell; the second shielding component is arranged at the joint of the bottom end of the plug of the high-voltage connector and the socket.

Preferably, the outer shielding ring is provided with a plurality of first elastic pieces, and the first elastic pieces are abutted against the inner wall of the plug shell. The extending direction of the first elastic sheet is far away from the plug, so that the wire harness can conveniently enter the plug.

Preferably, the second shielding component is sleeved on the outer peripheral side of the plug bottom end guide part; when the plug and the socket are assembled, the guide part of the plug is matched with the socket shell, and the second shielding assembly is positioned between the guide part of the plug and the socket shell. The second shielding assembly is provided with a plurality of second elastic pieces, and the second elastic pieces are abutted against the inner wall of the socket shell.

Preferably, the inner shield ring has a greater thickness than the outer shield ring, and the inner shield ring may provide some support to the outer shield ring.

The utility model relates to a high-voltage connector, which comprises a plug and a socket which are connected in a matched manner, wherein the plug comprises a plug shell and a wire harness, the socket comprises a socket shell, and the socket shell is arranged on a socket installation interface; the shielding structure is also included.

Preferably, the wire harness sequentially comprises an outer sheath, a shielding layer, an insulating layer and a conductive bar from outside to inside; the shielding layer is turned over backwards at the end part of the wire harness, the inner shielding ring of the first shielding assembly is arranged on the inner side of the shielding layer turning-over part, the outer shielding ring is arranged on the outer side of the shielding layer turning-over part, the outer sheath part of the mounting part of the first shielding assembly is stripped, and the outer peripheral dimension of the first shielding assembly is close to the outer peripheral dimension of the outer sheath.

Preferably, the wire harness is provided with a supporting structure, the supporting structure is arranged at the end part of the wire harness entering the plug shell, and the conducting bar and the insulating layer on the surface of the conducting bar penetrate through the supporting structure and extend into the plug; the central part of the supporting structure extends into the gap of the conducting bar and corresponds to the first shielding component, so as to provide support for the installation of the first shielding component, and the first shielding component is pressed and connected to the periphery of the wire harness; the outer peripheral portion of the support structure abuts against the outer end portion of the shielding layer, the outer peripheral dimension of the support structure is close to that of the outer jacket, and the outer surface of the assembled wire harness is basically smooth and complete. After the first shielding component is in crimping connection, the supporting structure is connected and fixed with the wire harness and the first shielding component into a whole, and the whole is inserted into the plug shell during assembly.

Working principle: the first shielding assembly contacts the connector plug housing and the wiring harness; the second shielding component contacts and connects the plug shell and the socket shell, and the socket shell is always fixedly connected with the socket mounting interface; the wire harness, the first shielding component, the plug shell, the second shielding component and the socket shell are in one-to-one contact connection with the socket mounting interface, so that a complete conduction shielding structure of the high-voltage connector is formed.

The beneficial effects are that: compared with the prior art, the utility model has the following advantages: the shielding structure is simple, the installation is convenient, and the two-section shielding conduction from the wire harness to the plug and from the plug to the socket can be realized.

Drawings

FIG. 1 is a schematic illustration of the mating of the connectors of the present utility model;

fig. 2 is a schematic view of a wire harness structure of the present utility model;

FIG. 3 is a cross-sectional view of a connector structure of the present utility model;

FIG. 4 is an enlarged schematic view of the structure I in FIG. 3;

Fig. 5 is an enlarged schematic view of the structure II in fig. 3.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1-3, a high voltage connector includes a plug and a receptacle for mating connection, and a shielding structure. The shielding structure comprises a first shielding assembly 6 and a second shielding assembly 7.

As shown in fig. 3, the plug comprises a plug shell 1 and a wire harness 5, a guide part 4 connected with a socket is arranged at the bottom end of the plug, and the guide part 4 and the plug shell 1 are of an integrated structure; the socket comprises a socket shell 3, and the socket shell 3 is fixedly arranged on the socket mounting interface 2 through bolts 8; the plug and socket are connected by means of bolts 9.

As shown in fig. 2, the wire harness 5 includes, in order from outside to inside, an outer sheath 51, a shielding layer 52, insulating layers 53 and 54; the conductive bars 54 are provided with two groups, and the outer sides of the conductive bars are wrapped with the insulating layer 53. The wire harness 5 stretches into the plug shell 1, a supporting structure 55 is arranged at the stretching-in end of the wire harness 5, and the conducting bar 54 and the insulating layer 53 on the surface of the conducting bar penetrate through the supporting structure 55 and stretch into the plug; the central portion of the support structure 55 extends into the gap between the two sets of conductive strips 54 and the peripheral portion abuts the end of the shielding layer 52.

As shown in fig. 3 and 4, the shielding layer 52 is folded back at the end of the harness 5. The first shielding member 6 is provided at a portion of the wire harness 5 entering the plug housing 1, corresponding to a central portion of the support structure 55, and an outer sheath 51 portion at which it is mounted is stripped. The first shielding assembly 6 includes an inner shielding ring 61 and an outer shielding ring 62, the inner shielding ring 61 being provided on the inner side of the folded-over portion of the shielding layer 52, and the outer shielding ring 62 being provided on the outer side of the folded-over portion of the shielding layer 52. The inner shielding ring 61 is fixed in a crimping manner, the supporting structure 55 provides a certain support during crimping, and the inner shielding ring is wrapped by the shielding layer 52 after crimping; the outer shield ring 62 is crimped outside the shield layer 52. After the inner shielding ring 61 and the outer shielding ring 62 are crimped, the supporting structure 55 is connected and fixed with the wire harness 5 and the first shielding assembly 6 as a whole, and the whole is inserted into the plug housing 1 during assembly. The outer shielding ring 62 is provided with a plurality of first elastic pieces 63, the extending direction of the first elastic pieces 63 is opposite to that of the plug, the wire harness 5 can smoothly enter the plug, the first elastic pieces 63 are abutted against the inner wall of the plug shell 1 after assembly, and shielding connection between the plug shell 1 and the wire harness 5 is achieved. The inner shield ring 61 has a larger thickness, and can provide sufficient supporting effect when the outer shield ring 62 is crimped, and also provide a better shielding effect; the outer shield ring 62 is thinner to facilitate fabrication of the spring structure.

The first shielding member 6 is mounted at the connection end of the wire harness 5 between the outer peripheral portion of the support structure 55 and the outer sheath 51, and the first shielding member 6 is maintained in a complete and smooth connection with the support structure 55 and the outer sheath 51.

As shown in fig. 1, 3 and 5, the second shielding component 7 is fixedly sleeved on the outer peripheral side of the guide part 4; when the plug and the socket are assembled, the guide part 4 of the plug is matched with the socket shell 3, and the second shielding assembly 7 is positioned between the guide part 4 of the plug and the socket shell 3. The second shielding component 7 is provided with a plurality of second elastic pieces 71, and the second elastic pieces 71 are abutted against the inner wall of the socket shell 3 after assembly, so that the shielding connection between the plug shell 1 and the socket shell 3 is realized.

After the plug and the socket are plugged, the first shielding component 6 realizes shielding connection of the plug shell 1 and the wire harness 5 through the first elastic sheet 63, the outer shielding ring 62 and the inner shielding ring 61; the second shielding assembly 7 achieves a shielded connection of the plug housing 1 and the socket housing 3, whereas the socket housing 3 is permanently fixedly connected to the socket mounting interface 2, so that the second shielding assembly 7 achieves a shielded connection between the plug housing 1, the socket housing 3 and the socket mounting interface 2. The utility model can realize the whole shielding effect of the connector through the two groups of shielding components, has simple structure and convenient installation, and has higher practicability in a high-voltage connection scheme.

Claims (9)

1. A shielding structure for a high voltage connector, characterized in that: the plug comprises a first shielding assembly and a second shielding assembly, wherein the first shielding assembly (6) is arranged at a part, entering the plug shell (1), of a wire harness (5) of the high-voltage connector, and comprises an inner shielding ring (61) and an outer shielding ring (62) which are sleeved in a stacked manner, and the outer shielding ring (62) is abutted against the inner wall of the plug shell (1); the second shielding component (7) is arranged at the joint of the bottom end of the plug of the high-voltage connector and the socket.

2. The shielding structure for the high-voltage connector according to claim 1, wherein the outer shielding ring (62) is provided with a plurality of first elastic pieces (63), and the first elastic pieces (63) are abutted against the inner wall of the plug housing (1).

3. The shielding structure for the high-voltage connector according to claim 1, wherein the second shielding member (7) is fitted around the outer peripheral side of the plug bottom end guide portion (4); when the plug and the socket are assembled, the guide part (4) of the plug is matched with the socket shell (3), and the second shielding assembly (7) is positioned between the guide part (4) of the plug and the socket shell (3).

4. A shielding structure for a high voltage connector according to claim 3, characterized in that the second shielding assembly (7) is provided with a plurality of second spring plates (71), and the second spring plates (71) are abutted against the inner wall of the socket housing (3).

5. Shielding structure for a high voltage connector according to claim 2, characterized in that the first spring plate (63) extends in a direction away from the plug.

6. The shielding structure for a high-voltage connector according to claim 1, wherein the thickness of the inner shielding ring (61) is larger than the thickness of the outer shielding ring (62).

7. The high-voltage connector comprises a plug and a socket which are connected in a matched mode, wherein the plug comprises a plug shell (1) and a wire harness (5), the socket comprises a socket shell (3), and the socket shell (3) is installed on a socket installation interface (2); further comprising a shielding structure according to claim 1.

8. The high-voltage connector according to claim 7, wherein the wire harness (5) includes an outer sheath (51), a shielding layer (52), an insulating layer (53) and a conductive strip (54) in this order from outside to inside; the shielding layer (52) is backwards turned over at the end part of the wire harness (5), an inner shielding ring (61) of the first shielding assembly (6) is pressed against the inner side of the turned-over part of the shielding layer (52), an outer shielding ring (62) is pressed against the outer side of the turned-over part of the shielding layer (52), and the outer sheath (51) of the installation part of the first shielding assembly (6) is stripped.

9. The high-voltage connector according to claim 8, characterized in that the wire harness (5) is provided with a supporting structure (55), the supporting structure (55) is arranged at the end of the wire harness (5), and the conductive bars (54) and the insulating layer (53) on the surfaces thereof penetrate through the supporting structure (55) and extend into the plug; the central part of the supporting structure (55) extends into the gap of the conducting bar (54), and the peripheral part of the supporting structure is abutted against the outer end part of the shielding layer (52) corresponding to the first shielding assembly (6); after the first shielding component (6) is in pressure connection, the supporting structure (55) is connected and fixed with the wire harness (5) and the first shielding component (6) into a whole, and the whole is inserted into the plug shell (1) during assembly.