CN211428495U

CN211428495U - Electrical connector assembly

Info

Publication number: CN211428495U
Application number: CN202020403761.2U
Authority: CN
Inventors: 张鸿; 李斌; 袁海峰; 周毅
Original assignee: Lanto Electronic Ltd
Current assignee: Lanto Electronic Ltd; Kunshan Liantao Electronics Co Ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-09-04
Anticipated expiration: 2030-03-26

Abstract

An electric connector assembly comprises an electric connector joint, a circuit board connected with the electric connector joint and a shielding shell at least partially surrounding the periphery of the circuit board, wherein the shielding shell is formed by bending and jointing an integrated metal sheet and is provided with a first wall part, a second wall part and a jointing part; the circuit board is provided with a first surface and a second surface, and the electric connector assembly further comprises a first heat dissipation part and a second heat dissipation part, wherein the first heat dissipation part is used for connecting the first surface with the first wall part, and the second heat dissipation part is used for connecting the second surface with the second wall part. Compared with the prior art, the shielding shell surrounding the periphery of the circuit board is arranged, so that better electromagnetic interference resistance can be realized; in addition, the first heat dissipation part and the second heat dissipation part are arranged, so that heat on the circuit board can be quickly transferred to the shielding shell, and the electric connector assembly has good heat dissipation performance.

Description

Electrical connector assembly

Technical Field

The application relates to an electric connector assembly, which belongs to the technical field of electric connectors.

Background

As electronic devices become more widely used, increasingly stringent requirements are placed on electrical connector assemblies as external interfaces of electronic devices, and electromagnetic interference (EMI) resistance and heat dissipation performance of electrical connector assemblies are becoming more and more important.

The electrical connector assembly of the related art generally includes an electrical connector header, a circuit board connected to the electrical connector header, and a shield shell surrounding the periphery of the circuit board. However, the shield case is generally of a unitary structure and is mounted to the periphery of the circuit board by means of a nest. In this design, air is filled between the circuit board and the shielding shell, and the thermal conductivity of the air is poor, so that the heat dissipation effect of the connector assembly is worried. In addition, it is technically difficult to improve heat dissipation performance by filling the internal circuit board with a heat conductive material.

SUMMERY OF THE UTILITY MODEL

An object of this patent application is to provide an electric connector subassembly that anti-electromagnetic interference performance and heat dispersion are all better.

In order to achieve the purpose, the following technical scheme is adopted in the patent application: an electric connector assembly comprises an electric connector joint, a circuit board connected with the electric connector joint and a shielding shell at least partially surrounding the periphery of the circuit board, wherein the shielding shell is formed by bending and jointing an integrated metal sheet, and is provided with a first wall part, a second wall part and a jointing part for jointing the first wall part and the second wall part; the circuit board is provided with a first surface and a second surface opposite to the first surface, and the electric connector assembly further comprises a first heat dissipation part and a second heat dissipation part, wherein the first heat dissipation part is used for connecting the first surface with the first wall part, and the second heat dissipation part is used for connecting the second surface with the second wall part.

As a further improved technical scheme of the patent application, the first wall portion is provided with a first inner concave portion, the second wall portion is provided with a first inserting portion, the first inserting portion abuts against the outer side of the first inner concave portion, and the joint portion comprises the first inner concave portion and the first inserting portion.

As a further improved technical scheme of the patent application, the first wall portion is provided with a second inner concave portion arranged at an interval with the first inner concave portion, the second wall portion is provided with a second inserting portion arranged at an interval with the first inserting portion, the second inserting portion abuts against the outer side of the second inner concave portion, and the joint portion further comprises the second inner concave portion and the second inserting portion.

As a further improved technical solution of the present application, the first wall portion is provided with first notches respectively located at two ends of the first concave portion, so that the first concave portion has a deformability; the second wall part is provided with second notches which are respectively positioned at two ends of the first inserting part, so that the first inserting part has the deformability.

As a further improved technical solution of the present application, the first wall portion is provided with third notches respectively located at least one end of the second concave portion, so that the second concave portion has a deformation capability; the second wall part is provided with fourth notches which are respectively positioned at least one end of the second inserting part, so that the second inserting part has the deformation capacity.

As a further improved technical solution of this patent application, the first wall portion is provided with a first positioning structure located between the first concave portion and the second concave portion, the second wall portion is provided with a second positioning structure located between the first inserting portion and the second inserting portion, the first positioning structure is matched with the second positioning structure, wherein one of the first positioning structure and the second positioning structure is a positioning protrusion, and the other is a positioning groove.

As a further improved technical solution of the present patent application, the first wall portion includes a top wall, and the first heat dissipation component connects the first surface and the top wall; the second wall part comprises a bottom wall, and the second heat dissipation part is connected with the second surface and the bottom wall; the joint portion is located on a side surface of the shield case.

As a further improved technical solution of the present patent application, the electrical connector assembly includes a cable connected to the circuit board; the first wall part comprises a first rear wall which is integrally bent with the top wall and is vertical to the top wall, and the second wall part comprises a second rear wall which is integrally bent with the bottom wall and is vertical to the bottom wall; the first rear wall is provided with a first notch, the second rear wall is provided with a second notch, and the first rear wall and the second rear wall are spliced together so that the first notch and the second notch form a through hole for the cable to pass through.

As a further improved technical scheme of the patent application, the first rear wall and the second rear wall are provided with a convex block and a concave block which are matched with each other.

As a further improved technical solution of this patent application, the shielding shell includes a first extending portion integrally extending forward from the first wall portion and a second extending portion integrally extending forward from the second wall portion, the first extending portion and the second extending portion are joined together to form a throat, and the electrical connector joint passes through the throat.

Compared with the prior art, the shielding shell surrounding the periphery of the circuit board is arranged, so that better electromagnetic interference resistance can be realized; in addition, the first heat dissipation part and the second heat dissipation part are arranged, so that heat on the circuit board can be quickly transferred to the shielding shell, and the electric connector assembly has good heat dissipation performance.

Drawings

Fig. 1 is a perspective view of an electrical connector assembly of the present patent application.

Fig. 2 is a partially exploded perspective view of fig. 1.

Fig. 3 is a perspective view of a shield shell of the present patent application in one embodiment.

Fig. 4 is a perspective view of fig. 3 from another angle.

Fig. 5 is a right side view of fig. 3.

Fig. 6 is a perspective view of fig. 3 from yet another angle.

Fig. 7 is a partial perspective view of the shield shell of the present patent application prior to engagement.

Fig. 8 is a partial perspective cross-sectional view of an electrical connector assembly of the present patent application.

Detailed Description

Exemplary embodiments of the present patent application will be described in detail below with reference to the accompanying drawings. If several embodiments exist, the features of these embodiments may be combined with each other without conflict. When the description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The statements made in the following exemplary detailed description do not represent all implementations consistent with the present patent application; rather, they are merely examples of apparatus, products, and/or methods consistent with certain aspects of the present patent application, as recited in the claims of the present patent application.

The terminology used in the present patent application is for the purpose of describing particular embodiments only and is not intended to limit the scope of the present patent application. As used in the specification and claims of this patent application, the singular form of "a", "an", or "the" is intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the terms "first," "second," and the like, as used in the description and claims of this patent application, do not denote any order, quantity, or importance, but rather are used to distinguish one feature from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, the appearances of the phrases "in front," "back," "above," "below," and the like in this application are not limited to a particular position or spatial orientation, but are merely for convenience of description. The word "comprise" or "comprises", and the like, is an open-ended expression meaning that an element that precedes "includes" or "comprising" includes "that the element that follows" includes "or" comprises "and its equivalents, that do not preclude the element that precedes" includes "or" comprising "from also including other elements. If "a plurality" is present in this patent application, it is meant to refer to two as well as more than two.

Referring to fig. 1 to 8, the present application discloses an electrical connector assembly 100, which can be applied to a wireless charging device as a transmitting terminal of the wireless charging device. Of course, the application of the electrical connector assembly 100 of the present application is not limited thereto, and it can be applied to any occasions having high requirements for electromagnetic interference (EMI) resistance and heat dissipation performance, such as high power transmission, high frequency signal transmission, voltage regulation and rectification, data security, and the like. The electrical connector assembly 100 comprises an electrical connector header 1, a circuit board 2 connected to the electrical connector header 1, a shielding housing 3 at least partially surrounding the periphery of the circuit board 2, and a cable 4 connected to the circuit board 2. In the illustrated embodiment of the present patent application, the electrical connector header 1 is a TypeC male plug; of course, in other embodiments, the electrical connector terminal 1 may be other types of plugs. The electric connector joint 1 is electrically connected with the circuit board 2 by means of welding and the like; of course, in other embodiments, the electrical connector terminal 1 is electrically connected to the circuit board 2 by soldering or the like.

Referring to fig. 8, the circuit board 2 is provided with a first surface 21 (e.g., an upper surface) and a second surface 22 (e.g., a lower surface) opposite to the first surface 21, and the first surface 21 and/or the second surface 22 are mounted with electronic components.

In the embodiment illustrated in the present application, the shield case 3 is formed by bending and joining an integral metal sheet. The shield case 3 is provided with a first wall portion 31, a second wall portion 32, and a joining portion 33 joining the first wall portion 31 and the second wall portion 32. The joint 33 is fixed by welding or the like, for example. The electrical connector assembly 100 further comprises a first heat sink member 61 connecting the first surface 21 and the first wall portion 31 and a second heat sink member 62 connecting the second surface 22 and the second wall portion 32. With this arrangement, the heat dissipation effect of the circuit board 2 (including the electronic components mounted thereon) can be improved.

Referring to fig. 3, 5 and 7, the first wall 31 has a first inner recess 311, a second inner recess 312 spaced apart from the first inner recess 311, and a first positioning structure 313 located between the first inner recess 311 and the second inner recess 312; preferably, the first wall portion 31 is provided with first notches 3111 respectively located at both ends of the first concave portion 311, so that the first concave portion 311 has a deformation capability; the first wall portion 31 is further provided with third notches 3121 respectively located at least one end of the second concave portion 312. Referring to fig. 7, in the embodiment shown in this patent application, since one end of the second internal recess 312 is an end surface of the shielding shell 3, only one third notch 3121 is needed to provide the second internal recess 312 with a deformation capability. Of course, in other embodiments, the third notches 3121 may be provided at both ends of the second concave portion 312, and the purpose of providing the second concave portion 312 with a certain deformability may also be achieved.

The second wall portion 32 is provided with a first inserting portion 321, a second inserting portion 322 spaced from the first inserting portion 321, and a second positioning structure 323 located between the first inserting portion 321 and the second inserting portion 322. One of the first positioning structure 313 and the second positioning structure 323 is a positioning protrusion, and the other is a positioning groove. Preferably, the second wall portion 32 is provided with second notches 3211 respectively located at two ends of the first inserting-connecting portion 321, so that the first inserting-connecting portion 321 has a deformation capability; the second wall portion 32 is further provided with fourth notches 3221 respectively located at least one end of the second inserting-connecting portion 322. Referring to fig. 7, in the embodiment shown in the present application, since one end of the second plug-in part 322 is an end surface of the shielding shell 3, only one fourth gap 3221 needs to be provided to enable the second plug-in part 322 to have a deformation capability. Of course, in other embodiments, the fourth notches 3221 may be disposed at both ends of the second socket portion 322, and the purpose of providing the second socket portion 322 with a certain deformation capability may also be achieved.

When the first wall portion 31 is engaged with the second wall portion 32, the first insertion portion 321 abuts on the outer side of the first inner recess 311, the second insertion portion 322 abuts on the outer side of the second inner recess 312, and the first positioning structure 313 is engaged with the second positioning structure 323. In the illustrated embodiment of the present application, the engagement portion 33 includes the first inner recess 311 and the first mating portion 321, and the second inner recess 312 and the second mating portion 322. The first inner recess 311 partially overlaps the first socket 321, and the second inner recess 312 partially overlaps the second socket 322, thereby facilitating welding and preventing magnetic leakage from occurring in the gap.

Specifically, in the illustrated embodiment of the present application, the first wall portion 31 includes a top wall 310, and the first heat sink piece 61 connects the first surface 21 and the top wall 310; the second wall portion 32 includes a bottom wall 320, and the second heat sink piece 62 connects the second surface 22 and the bottom wall 320; the engaging portion 33 is located on the side of the shield case 3.

In addition, as shown in fig. 3 and fig. 6, the first wall portion 31 further includes a first rear wall 341 bent integrally with the top wall 310 and perpendicular to the top wall 310, and the second wall portion 32 includes a second rear wall 342 bent integrally with the bottom wall 320 and perpendicular to the bottom wall 320; the first rear wall 341 is provided with a first notch 343, the second rear wall 342 is provided with a second notch 344, and the first rear wall 341 and the second rear wall 342 are spliced together such that the first notch 343 and the second notch 344 constitute a through hole 345 for the cable 4 to pass through. The first rear wall 341 and the second rear wall 342 are provided with a protrusion and a recess which are matched with each other. Specifically, the first rear wall 341 is provided with a first protrusion 3411 and a first recess 3412 respectively located at two sides of the first recess 343, and the second rear wall 342 is provided with a second protrusion 3421 and a second recess 3422 respectively located at two sides of the second recess 344, wherein the first protrusion 3411 is matched with the second recess 3422, and the second protrusion 3421 is matched with the first recess 3412, so that the first rear wall 341 is combined with the second rear wall 342.

In the embodiment illustrated in the present application, please refer to fig. 3, the shielding shell 3 further includes a first extending portion 351 integrally extending forward from the first wall portion 31 and a second extending portion 352 integrally extending forward from the second wall portion 32, the first extending portion 351 and the second extending portion 352 are joined together to form a throat 350, and the electrical connector contact 1 passes through the throat 350.

The electrical connector assembly 100 of the present application is assembled as follows:

firstly, connecting the electric connector joint 1, the circuit board 2 and the cable 4, for example, electrically connecting the electric connector joint 1 to the front end of the circuit board 2, and electrically connecting the cable 4 to the rear end of the circuit board 2, thereby realizing the electrical connection among the electric connector joint 1, the circuit board 2 and the cable 4;

secondly, dispensing (e.g. heat-conducting glue) on the inner wall of the metal sheet (corresponding to the second wall portion 32), mounting one surface of the circuit board 2 at the dispensing position of the second wall portion 32, and dispensing (e.g. heat-conducting glue) on the other surface of the circuit board 2 again;

then, the metal sheet is bent and formed into the shield case 3 wrapped around the periphery of the circuit board 2, and the joint 33 is fixed by, for example, soldering, or the like, wherein the dispensed paste forms the first heat dissipation member 61 and the second heat dissipation member 62 after being dried.

Compared with the prior art, the shielding shell 3 at least partially surrounding the periphery of the circuit board 2 is arranged, so that better electromagnetic interference resistance can be realized; in addition, after the glue is dispensed and dried, on one hand, the circuit board 2 and the shielding shell 3 can be bonded together, so that the reliability of the structure is improved, and the looseness is prevented; on the other hand, the first heat sink member 61 and the second heat sink member 62 can quickly transfer heat from the circuit board 2 to the shielding housing 3, so that the electrical connector assembly 100 has good heat dissipation performance.

The above embodiments are only for illustrating the present patent application and not for limiting the technical solutions described in the present patent application, and the understanding of the present patent application should be based on the technical persons skilled in the art, and although the present patent application has been described in detail by referring to the above embodiments, the persons skilled in the art should understand that the technical persons skilled in the art can still make modifications or equivalent substitutions to the present patent application, and all the technical solutions and improvements thereof that do not depart from the spirit and scope of the present patent application should be covered within the claims of the present patent application.

Claims

1. An electrical connector assembly (100) comprising an electrical connector header (1), a circuit board (2) connected to the electrical connector header (1), and a shielding housing (3) at least partially surrounding the periphery of the circuit board (2), characterized in that: the shielding shell (3) is formed by bending and jointing an integrated metal sheet, and the shielding shell (3) is provided with a first wall part (31), a second wall part (32) and a joint part (33) for jointing the first wall part (31) and the second wall part (32); the circuit board (2) is provided with a first surface (21) and a second surface (22) opposite to the first surface (21), and the electric connector assembly (100) further comprises a first heat dissipation part (61) connecting the first surface (21) and the first wall part (31) and a second heat dissipation part (62) connecting the second surface (22) and the second wall part (32).

2. The electrical connector assembly (100) of claim 1, wherein: the first wall portion (31) is provided with a first inner concave portion (311), the second wall portion (32) is provided with a first insertion portion (321), the first insertion portion (321) abuts against the outer side of the first inner concave portion (311), and the joint portion (33) comprises the first inner concave portion (311) and the first insertion portion (321).

3. The electrical connector assembly (100) of claim 2, wherein: the first wall portion (31) is provided with a second inner concave portion (312) arranged at an interval with the first inner concave portion (311), the second wall portion (32) is provided with a second insertion portion (322) arranged at an interval with the first insertion portion (321), the second insertion portion (322) abuts against the outer side of the second inner concave portion (312), and the joint portion (33) further comprises the second inner concave portion (312) and the second insertion portion (322).

4. The electrical connector assembly (100) of claim 2, wherein: the first wall part (31) is provided with first notches (3111) respectively positioned at two ends of the first inner concave part (311) so that the first inner concave part (311) has the deformation capacity; the second wall part (32) is provided with second notches (3211) which are respectively positioned at two ends of the first inserting part (321), so that the first inserting part (321) has the deformation capacity.

5. The electrical connector assembly (100) of claim 3, wherein: the first wall portion (31) is provided with third notches (3121) respectively located at least one end of the second concave portion (312), so that the second concave portion (312) has a deformation capability; the second wall portion (32) is provided with a fourth gap (3221) respectively located at least one end of the second insertion portion (322), so that the second insertion portion (322) has a deformation capacity.

6. The electrical connector assembly (100) of claim 3, wherein: the first wall portion (31) is provided with a first positioning structure (313) located between the first inner concave portion (311) and the second inner concave portion (312), the second wall portion (32) is provided with a second positioning structure (323) located between the first insertion portion (321) and the second insertion portion (322), the first positioning structure (313) is matched with the second positioning structure (323), one of the first positioning structure (313) and the second positioning structure (323) is a positioning convex block, and the other one of the first positioning structure and the second positioning structure is a positioning concave groove.

7. The electrical connector assembly (100) of claim 1, wherein: the first wall portion (31) includes a top wall (310), and the first heat sink piece (61) connects the first surface (21) and the top wall (310); the second wall portion (32) includes a bottom wall (320), and the second heat sink piece (62) connects the second surface (22) and the bottom wall (320); the engaging portion (33) is located on a side surface of the shield case (3).

8. The electrical connector assembly (100) of claim 7, wherein: the electrical connector assembly (100) comprises a cable (4) connected to the circuit board (2); the first wall portion (31) comprises a first rear wall (341) bent integrally with the top wall (310) and perpendicular to the top wall (310), and the second wall portion (32) comprises a second rear wall (342) bent integrally with the bottom wall (320) and perpendicular to the bottom wall (320); the first rear wall (341) is provided with a first notch (343), the second rear wall (342) is provided with a second notch (344), and the first rear wall (341) and the second rear wall (342) are spliced together so that the first notch (343) and the second notch (344) form a through hole (345) for the cable (4) to pass through.

9. The electrical connector assembly (100) of claim 8, wherein: the first rear wall (341) and the second rear wall (342) are provided with mutually matched projections (3411, 3421) and recesses (3412, 3422).

10. The electrical connector assembly (100) of any one of claims 1 to 9, wherein: the shielding shell (3) comprises a first extending part (351) integrally extending forwards from the first wall part (31) and a second extending part (352) integrally extending forwards from the second wall part (32), the first extending part (351) and the second extending part (352) are jointed together to form a necking opening (350), and the electric connector joint (1) penetrates through the necking opening (350).