CN111276854A - Connector module for camera - Google Patents

Abstract

An object of the present invention is to provide a connector module for a camera that can achieve reduced size and weight at low cost while improving shielding properties. The camera connector module clips a coaxial connector (23) assembled to a camera accommodating resin case (26) for connecting the camera module (29) accommodated in the camera accommodating resin case (26), and the same A coaxial cable (24) of a shaft connector (23), wherein a camera module accommodating portion (61) of the camera accommodating resin case (26) for shielding the camera module (29) from electromagnetic waves is formed A vapor-deposited layer (27) in which a part of the conductive outer peripheral shell (40) of the coaxial connector (23) is protruded in the camera module accommodating part (61), and a card is formed in the protruding part A shielding plate (52) is sandwiched between the locking step (40a) and the vapor deposition layer (27) of the camera module accommodating part (61).

Description

Camera connector module

technical field

The present invention generally relates to a camera connector module for connecting a coaxial cable to a vehicle-mounted camera module.

Background technique

As for such a camera connector module, a solution as shown in FIG. 5 is known (Patent Document 1).

In this FIG. 5 , the camera unit 21 includes the camera module 10 and the connector module 12 for connecting the coaxial cable 11 to the camera module 10 . The camera module 10 includes a lens 13 for condensing an external image onto the imaging element 14 , and an electronic circuit 15 for controlling the processing and driving of the image signal of the imaging element 14 . In the connector module 12 , a center conductor 17 connected to the coaxial cable 11 and a conductive shell 18 surrounding the center conductor 17 via an insulator are provided at the center of the connector housing 16 . Further, in the downwardly opened housing interior 16a of the connector housing 16, a shield for shielding the electronic circuit 15 from electromagnetic waves such as electromagnetic noise is provided in electrical connection with the protruding portion 18a of the conductive shell 18. Shielding case 19 . The camera module 10 is accommodated in the main body housing 20 and assembled to the connector module 12 .

Patent Document 2 describes an example of a camera connector module in which an electronic circuit is housed in an aluminum case formed by aluminum die casting, and the aluminum case prevents electromagnetic rays from flowing in from the outside or from the inside to the outside outflow.

In Patent Document 1, the shield shell 19 is provided in the housing interior 16a of the connector housing 16 so as to be electrically connected to the protruding portion 18a of the conductive shell layer 18. Therefore, there is a problem in that the shield shell 19 is formed as an independent member, and there is a problem In the step of electrically connecting the shield case 19 to the protruding portion 18a of the conductive shell layer 18, the number of parts increases, and the number of assembly man-hours increases.

In Patent Document 2, since the electronic circuit is housed in an aluminum case formed by aluminum die casting, it is not necessary to form a shield case independently, but aluminum die casting is not only expensive but also disadvantageous in size and weight reduction.

prior art literature

Patent Literature

Patent Document 1: Japanese Patent Laid-Open No. 2018-6162

Patent Document 2: Japanese Patent Publication No. 2018-500733

SUMMARY OF THE INVENTION

The problem to be solved by the invention

An object of the present invention is to provide a connector module for a camera that can achieve reduced size and weight at low cost while improving shielding properties.

solution to the problem

The camera connector module of the present invention has a coaxial connector 23 assembled in the camera housing resin case 26 sandwiched therebetween, and is used to connect the camera module 29 housed in the camera housing resin case 26 and the coaxial connector 23 . Coaxial cable 24, characterized by,

A vapor deposition layer 27 for reliably shielding the camera module 29 from electromagnetic waves is formed in the camera module housing portion 61 of the camera housing resin case 26 .

The camera connector module of the present invention is characterized in that a part of the conductive outer shell 40 of the coaxial connector 23 is protruded in the camera module accommodating part 61 , and a card is formed in the protruding part. The locking step portion 40a is connected to the shield plate 52 so as to be sandwiched between the locking step portion 40a and the vapor deposition layer 27 of the camera module accommodating portion 61 .

The camera connector module of the present invention is characterized in that the shielding plate 52 is formed in an annular shape having a flat surface portion 53 having a hole 55 in the center, and a peripheral edge portion 54 on the outer periphery of the flat surface portion 53, and the flat surface portion 53 is formed in a circular shape. The outer peripheral shell lamination pieces 56 that are crimped to the locking step portion 40a of the outer peripheral shell layer 40 are formed at a plurality of positions on the inner peripheral portion of the portion 53 , and are crimped at a plurality of positions of the peripheral edge portion 54 . The vapor-deposited laminated sheet 57 of the vapor-deposited layer 27 in the camera module accommodating portion 61 .

The camera connector module of the present invention is characterized in that, except for the contact portion of the outer peripheral shell laminate sheet 56 with the locking step portion 40 a and the contact portion of the vapor deposition laminate sheet 57 with the vapor deposition layer 27 In addition, the shielding plate 52 is fitted with a gap 59 between the outer peripheral shell layer 40 and the vapor deposition layer 27 .

The camera connector module of the present invention is characterized in that the vapor deposition layer 27 laid on the camera module housing portion 61 of the camera housing resin case 26 is made of Cu+Ni.

Invention effect

In the invention described in claim 1, the camera connector module includes a coaxial connector assembled in the camera housing resin case, and connects the camera module housed in the camera housing resin case and the coaxial connector. coaxial cable, which,

The camera module accommodating portion of the camera accommodating resin case is formed with a vapor deposition layer for shielding the camera module from electromagnetic waves, so that the camera module accommodating portion inside the camera accommodating resin case can be used as a reliable material for the camera module. It functions as a shield case that shields electromagnetic waves. In addition, the dimensional accuracy, size and weight of the camera housing resin case can be achieved.

In the invention described in claim 2, in the camera module housing part, a part of the conductive outer peripheral shell of the coaxial connector is protruded, and a locking step is formed in the protruding part, and the locking step is formed in the protruding part. A shielding plate is connected between the stepped portion and the vapor deposition layer of the camera module accommodating portion so as to be sandwiched therebetween. Therefore, the camera module accommodating portion and the said The conductive outer shell of the coaxial connector is electrically connected reliably.

In the invention described in claim 3, the shielding plate is formed in an annular shape having a flat surface portion with a hole in the center and a peripheral edge portion of the outer periphery of the flat surface portion, and is formed at a plurality of positions on the inner peripheral portion of the flat surface portion. An outer peripheral shell laminate sheet is formed with a locking step portion that is crimped to the outer peripheral shell layer, and a vapor deposition laminate is formed with a vapor deposition layer crimped to the camera module housing portion at a plurality of positions of the peripheral portion. Therefore, the outer peripheral shell laminate sheet can be reliably connected to the outer peripheral shell layer at multiple positions, and the vapor deposition laminate sheet can be reliably connected to the vapor deposition layer at multiple positions.

In the invention described in claim 4, the outer peripheral shell layer is formed in the outer peripheral shell layer except for the contact portion with the locking step portion of the outer peripheral shell laminate sheet and the contact portion with the vapor deposition layer of the vapor deposition laminate sheet. Since the shielding plate is embedded with a gap between the shielding plate and the vapor-deposited layer, it is only necessary to use the outer peripheral shell lamination sheet of the shielding plate and the vapor-deposited lamination sheet to play the role of connection, so that the crimping can be connected more reliably. Contacts between parts of the film.

In the invention described in claim 5, since the vapor deposition layer is composed of Cu+Ni, the function of shielding from electromagnetic waves is more reliably exhibited.

Description of drawings

FIG. 1 is a cross-sectional view showing Embodiment 1 of the camera connector module of the present invention.

FIG. 2 is an enlarged cross-sectional view of the coaxial connector of FIG. 1 .

FIG. 3 is a perspective view of the shielding plate 52 .

FIG. 4 is a cross-sectional view of a state in which the peripheral casing 40 and the vapor deposition layer 27 of the camera housing resin case 26 are connected by crimping through the shield plate 52 .

FIG. 5 is an exploded explanatory view of a conventional camera connector module.

Description of reference numerals

10: camera module; 11: coaxial cable; 12: connector module; 13: lens; 14: imaging element; 15: electronic circuit; 16: connector housing; 17: center conductor; 18: conductive shell; 19 : Shielding case; 20: Main body casing; 21: Camera unit; 22: Vehicle body; 23: Coaxial connector; 24: Coaxial cable; 25: Relay socket; 26: Camera housing resin case; 28: wiring board; 29: camera module; 30: lens; 31: board side connector; 32: upper contact; 33: lower contact; 34: upper insulator; 35: lower insulator; 36: O-ring; 37 : adhesive; 38: upper shell; 39: lower shell; 40: outer shell; 41: adhesive; 42: coaxial connector mounting part; 43: fitting cylinder part; 44: connecting pin; 45: Insulation part; 46: Shell part; 47: Coaxial side contact; 48: Coaxial core wire; 49: Insulator; 50: Coaxial side shell; 51: Fitting cylinder; 52: Shield plate; 53: Flat portion; 54: Peripheral portion; 55: Hole portion; 56: Outer peripheral case lamination sheet; 57: Vapor deposition lamination sheet; department.

Detailed ways

The present invention is a connector module for a camera, which assembles a coaxial connector 23 into a camera housing resin case 26, inserts a relay socket 25 connected with a coaxial cable 24 into one end of the coaxial connector 23, The board-side connector 31 of the camera module 29 accommodated in the camera accommodating resin case 26 is joined to the other end of the coaxial connector 23 , wherein,

A vapor deposition layer 27 for shielding the wiring board 28 of the camera module 29 from electromagnetic waves is formed in the camera module housing portion 61 of the camera housing resin case 26 .

In order to connect the conductive outer shell layer 40 of the coaxial connector 23 and the vapor deposition layer 27 in the camera module accommodating portion 61 , the coaxial connector 23 is protruded in the camera module accommodating portion 61 . A part of the conductive outer shell layer 40 of the outer casing layer 40 has a locking step portion 40a formed in the protruding portion, and the locking step portion 40a and the vapor deposition layer 27 of the camera module accommodating portion 61 are sandwiched therebetween. A shielding plate 52 is connected in a manner.

The shielding plate 52 is formed in an annular shape having a flat surface portion 53 having a hole portion 55 in the center, and a peripheral edge portion 54 on the outer periphery of the flat surface portion 53 . The outer peripheral shell lamination sheet 56 is crimped to the locking step portion 40 a of the outer peripheral shell layer 40 , and the vapor deposition layer 27 that is crimped to the camera module accommodating portion 61 is formed at a plurality of positions of the peripheral edge portion 54 . The vapor-deposited laminate 57.

In order to more reliably connect the conductive outer shell layer 40 of the coaxial connector 23 and the vapor-deposited layer 27 in the camera module accommodating portion 61 , the outer shell lamination sheet 56 and the locking step portion 40 a are removed. The shielding plate 52 is fitted with a gap 59 between the outer peripheral shell layer 40 and the vapor-deposited layer 27 except for the contact portion of the vapor-deposited laminate sheet 57 and the vapor-deposited layer 27 .

The vapor deposition layer 27 in the camera module accommodating portion 61 in the camera accommodating resin case 26 is made of Cu+Ni.

[Example 1]

Embodiments of the camera connector module of the present invention will be described based on the drawings.

In FIG. 1 , 23 is a coaxial connector, which is assembled to the camera housing resin case 26 and connects the camera module 29 and the coaxial cable 24 .

The coaxial connector 23 will be described in detail with reference to FIG. 2 . In the central portion, upper contacts 32 connected to the coaxial core wires 48 of the coaxial cable 24 and lower contacts 33 connected to the connection pins 44 of the camera module 29 are integrally formed.

The outer periphery of the upper contact 32 is surrounded by an upper insulator 34 , and the lower contact 33 is surrounded by a lower insulator 35 , and the upper insulator 34 and the lower insulator 35 are joined by an insulating adhesive 37 . The outer periphery of the upper insulator 34 is surrounded by the conductive upper shell layer 38 , and the outer periphery of the lower insulator 35 is surrounded by the conductive lower shell layer 39 .

An O-ring 36 is interposed between the lower insulator 35 and the upper shell 38 , and the entire lower shell 39 and the lower end of the upper shell 38 are embedded by a conductive outer shell 40 , which is The pressing portion 40 b at the upper end of 40 is press-fastened to the upper shell 38 . At the lower end portion of the outer peripheral shell 40, a locking step portion 40a that is connected to a shield plate 52 described later by crimping is formed.

In FIG. 1 , the camera accommodating resin case 26 is provided with a camera module accommodating portion 61 for accommodating the camera module 29 by opening the lower portion thereof. On the inner surface of the camera module accommodating portion 61 , a Cu+Ni vaporizer is formed. Plating 27. On the upper surface of the camera housing resin case 26 , a coaxial connector mounting portion 42 and a fitting cylindrical portion 43 continuing upward are integrally provided in communication with the camera module housing portion 61 and facing upward. The coaxial connector 23 is inserted into the coaxial connector mounting portion 42 and the fitting cylindrical portion 43 from below, and is integrally fixed to the camera housing resin case 26 by an insulating adhesive 41 . A lower end portion of the coaxial connector mounting portion 42 is formed as a protruding portion 58 slightly protruding inward of the camera module accommodating portion 61 .

After the coaxial connector 23 is assembled to the camera housing resin case 26 , the shield plate 52 is fitted into the protruding portion 58 protruding into the camera module housing portion 61 at the front end of the outer peripheral housing layer 40 .

As shown in FIG. 3 , the shield plate 52 is formed into an annular shape by a flat surface portion 53 and a peripheral edge portion 54 rising from the outer periphery thereof, and the outer peripheral shell layer 40 penetrates through the center of the flat surface portion 53 . The hole portion 55 of the outer peripheral shell lamination sheet 56 is formed in the inner peripheral portion of the hole portion 55 at intervals of 120 degrees. Elastic, with slits 60 formed on both sides. In addition, on the peripheral portion 54, obliquely upward "へ"-shaped vapor-deposited laminate sheets 57 are formed at 120-degree intervals so as to be offset from the outer peripheral shell laminate sheets 56 by 60 degrees. In order to make the vapor deposition laminated sheet 57 also elastic, notches 60 are formed on both sides.

When the shielding plate 52 thus formed is press-fitted from below the outer peripheral shell layer 40, the outer peripheral shell lamination sheet 56 passes over the locking step portion 40a and is locked to the locking step portion 40a, and the laminated sheet 57 is vapor-deposited. The vapor deposition layer 27 is crimped to the inner surface of the camera housing resin case 26 . At this time, the front end portion of the outer peripheral shell lamination sheet 56 is crimped to the locking step portion 40a of the outer peripheral shell layer 40, and the bent portion of the vapor deposition laminated sheet 57 is crimped to the vapor deposition layer 27 of the camera housing resin case 26, shielding The flat surface portion 53 and the peripheral edge portion 54 of the plate 52 create a gap 59 between the side surface of the outer peripheral shell 40 and the bottom surface and the side surface of the protruding portion 58 . As a result, the outer peripheral shell laminate sheet 56 is more reliably crimped and electrically connected to the locking step portion 40 a, and the vapor-deposited laminate sheet 57 is crimped and electrically connected to the vapor-deposited layer 27 more reliably.

It should be noted that, since the outer peripheral shell layer 40 has a cylindrical shape, three outer peripheral shell lamination sheets 56 and three vapor deposition lamination sheets 57 are provided at 120-degree intervals. The shape and purpose of the outer peripheral shell layers 40 may be provided in two, four, five, five or more, or the like.

The camera accommodating resin case 26 is assembled with the coaxial connector 23 , and when crimping is performed through the shield plate 52 , the connection pins 44 , the insulating portion 45 and the connection pin 44 of the board-side connector 31 are connected through the opening of the camera accommodating resin case 26 . The shell portion 46 is press-fitted. In this way, the connecting pin 44 is inserted and connected to the lower contact 33 , and the shell portion 46 is connected to the lower shell 39 . The board-side connector 31 is connected to the camera module 29 via the wiring board 28 , and condenses the external image to the internal imaging element through the lens 30 .

The wiring board 28 is surrounded by the vapor deposition layer 27 of the camera housing resin case 26 and is shielded from electromagnetic waves such as electromagnetic noise.

In this way, the coaxial connector 23 is assembled to the camera housing resin case 26 , and the camera module 29 is connected to a predetermined position of the vehicle body 22 .

The relay socket 25 to which the coaxial cable 24 is connected is inserted into the fitting cylindrical portion 43 of the coaxial connector 23 protruding toward the opposite side of the camera housing resin case 26 . In this way, the fitting cylinder 51 of the relay socket 25 is fitted along the outer periphery of the fitting cylinder portion 43, the coaxial side shell 50 of the relay socket 25 is connected to the upper shell 38 of the coaxial connector 23, and , the coaxial side contacts 47 connected to the coaxial core wires 48 of the coaxial cable 24 are connected to the upper contacts 32 of the coaxial connector 23 .

This completes the assembly and connection.

Claims (5)

1. A camera connector module including a coaxial connector assembled in a camera accommodating resin case, for connecting a camera module accommodated in the camera accommodating resin case and a coaxial cable of the coaxial connector , which is characterized by, A vapor deposition layer for shielding the camera module from electromagnetic waves is formed in the camera module housing portion of the camera housing resin case. 2 . The camera connector module according to claim 1 , wherein: 2 . In the camera module housing portion, a portion of the conductive outer peripheral shell of the coaxial connector is protruded, and a locking step portion is formed in the protruding portion, and the camera module is housed in the locking step portion at the locking step portion. A shielding plate is connected between the vapor-deposited layers of the part so as to be sandwiched therebetween. 3. The camera connector module according to claim 2, wherein The shielding plate is formed in an annular shape having a flat portion with a hole in the center and a peripheral edge portion of the outer periphery of the flat portion, and a plurality of positions on the inner periphery of the flat portion are formed to be crimped to the outer periphery. The outer peripheral shell laminate sheet of the locking step portion of the shell layer is formed with vapor deposition laminate sheets that are press-contacted to the vapor deposition layer of the camera module accommodating portion at a plurality of positions on the peripheral edge portion. 4. The camera connector module according to claim 3, wherein There is a gap between the outer peripheral shell layer and the vapor deposition layer except for the contact portion of the outer peripheral shell laminate sheet with the locking step portion and the contact portion of the vapor deposition laminate sheet with the vapor deposition layer The shielding plate is embedded in the ground. 5 . The camera connector module according to claim 1 , wherein: 5 . The vapor deposition layer is composed of Cu+Ni.

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