JP6141468B1 - Car camera - Google Patents

Abstract

This in-vehicle camera electrically connects a connector of a camera module and a connector provided on the board with a short cable without making a hole in the board and ensuring a high degree of freedom in arranging the camera module. be able to. An in-vehicle camera includes an upper upper housing portion 2 in a vehicle interior, and a lower lower housing portion 3 that forms a space partitioned from the outside in cooperation with the upper housing portion 2; A substrate 5 arranged in a housing constituted by the upper housing portion 2 and the lower housing portion 3, a camera module 6 attached to the upper surface of the substrate 5 on the upper housing portion 2 side, and the substrate 5 Board connector 501 provided on the surface of the upper housing 2 and a cable 7 connecting the board connector 501 and the camera connector 601 of the camera module 6. [Selection] Figure 2

Description

2. Description of the Related Art In recent years, a technique for mounting a vehicle-mounted camera on a vehicle and assisting driving of the vehicle with an image captured by the vehicle-mounted camera has been put into practical use (see, for example, Patent Document 1).
And the vehicle-mounted camera described in patent document 2 is attached to the windshield of the vehicle.
FIG. 3 shows the FIG. The in-vehicle camera 100 illustrated in FIG. 3 includes a housing 3 including a cover housing 3a and a base housing 3b, a camera body 2, and a substrate 1, and is provided on a windshield (not shown). It attaches to the attached attachment member (not shown).
In the in-vehicle camera 100, the camera body 2 is attached to the cover housing 3a, the camera body 2 and the substrate 1 are attached to the cover housing 3a, and then the connector 5 mounted on the substrate 1 and the connector of the camera body 2 (see FIG. And a flexible printed wiring board 7.

Japanese Utility Model Publication No. 5-32191 US Patent Application Publication No. 2015/0042874

In the in-vehicle camera 100, the camera body 2 is provided so that the upper part protrudes from the opening of the substrate 1 toward the cover housing 3 a, and a part of the upper part of the camera body 2 is illustrated in FIG. As can be seen from FIG. 1, it protrudes outward from the frame of the opening.
Accordingly, when the camera body 2 and the substrate 1 are attached to the cover housing 3a, the camera body 2 is fixed to the cover housing 3a using the bolts 23 in consideration of the mountability, and then the substrate 1 is installed on the cover housing 3a. Thereafter, the connector 5 provided on the lower surface of the substrate 1 and the connector of the camera body 2 are connected by the flexible printed wiring board 7.

By the way, in the in-vehicle camera 100, for example, when the camera body 2 fixed to the cover housing 3a is provided at the center of the upper surface of the substrate having no opening, the connector 5 and the camera body disposed on the lower surface of the substrate 1 are provided. 2, the intermediate portion of the flexible printed wiring board 7 having one end connected to the connector 5 is folded back at the end of the substrate 1 and the other end is connected to the connector of the camera body 2. There is a problem that the length of the flexible printed wiring board 7 becomes long.
On the other hand, when it is desired to shorten the length of the flexible printed wiring board 7, the camera body 2 and the connector 5 are provided on the same end side of the substrate 1, or like the in-vehicle camera 100 described in Patent Document 2, It is necessary to form an opening in the substrate 1 and to electrically connect the connector 5 and the connector of the camera body 2 to the opening through the flexible printed wiring board 7.
Thus, when the length of the flexible printed wiring board 7 is desired to be shortened, there is a problem in that the arrangement of the camera body 2 is restricted or an opening must be formed in the substrate 1.

  An object of the present invention is to solve such a problem, and it is possible to connect a camera connector and a board connector with a short cable without making a hole in the board and ensuring a high degree of freedom in arranging the camera module. Can be connected.

The vehicle-mounted camera according to the present invention is
It is an in-vehicle camera that can be installed in the passenger compartment facing the windshield,
An upper housing portion on the upper side in the vehicle interior;
A lower lower housing portion that forms a space that is sectioned with the outside in cooperation with the upper housing portion;
A substrate disposed in a housing constituted by the upper housing portion and the lower housing portion;
A camera module attached to a surface of the substrate on the upper housing side;
A board connector provided on the surface of the board on the upper housing part side;
A cable connecting the board connector and the camera connector of the camera module.

  According to the in-vehicle camera according to the present invention, the camera connector and the board connector of the camera module are provided on the surface side of the same board, and a high degree of arrangement freedom of the camera module is ensured without making a hole in the board. However, the camera connector and the board connector can be connected with a short cable.

It is a perspective view which shows the vehicle-mounted camera of Embodiment 1 of this invention. It is arrow sectional drawing along the II-II line | wire of FIG. It is a disassembled side view which shows the conventional vehicle-mounted camera.

Embodiment 1 of the present invention will be described below with reference to the drawings.
In addition, the code | symbol demonstrated in FIG. 3 as an example of a prior art document is the FIG. 2 are used as they are, and the reference numerals in FIG. 1 and FIG. 2 of the first embodiment are new codes that are not related to the reference codes shown in FIG. Are overlapping, but there is no relationship between the two codes.

Embodiment 1 FIG.
1 is a perspective view showing an in-vehicle camera according to Embodiment 1 of the present invention, and FIG. 2 is a cross-sectional view taken along the line II-II in FIG.
The bracket 1 is attached to a windshield (not shown).
A vehicle-mounted camera is attached to the bracket 1.
The in-vehicle camera includes an upper housing portion 2, a lower housing portion 3 that forms a space sectioning with the upper housing portion 2 in cooperation with the upper housing portion 2, an upper housing portion 2, and a lower housing portion 3. A substrate 5 disposed in a housing constituted by the above, a camera module 6 attached to a portion of the upper surface of the substrate 5 that is away from the windshield side end of the substrate 5 on the side opposite to the windshield, and a camera module 6 and a cable 7 that electrically connects the substrate 5 to each other.

  The bracket 1 has a pair of holes 101 and 102 formed on the windshield side, and L-shaped locking portions 103 are formed at both corners on the opposite side of the windshield. A see-through window 104 is formed on the windshield side of the bracket 1.

The upper housing part 2 is formed with a raised part whose middle part is raised to the bracket 1 side. A lens hole 201 for allowing the camera module 6 to look into the outside of the upper housing part 2 is formed in the central part of the surface of the raised part on the windshield side.
The lower casing 3 has a pair of protrusions 301 and 302 formed on the front surface on the windshield side. Further, the lower housing part 3 is formed with a pair of locking projections 303 protruding in the direction along the surface of the windshield on both side surfaces opposite to the windshield side.
The protrusions 301 and 302 of the lower housing part 3 are fitted in the holes 101 and 102 of the bracket 1, and the locking parts 103 of the bracket 1 are connected to the pair of locking protrusions 303 of the lower housing part 3. Locked.
Here, the projections 301 and 302, the locking projection 303, the holes 101 and 102, and the locking projection 303 constitute an attachment member.

The lower housing part 3 is provided with a pair of front screw bases 312 on the bottom glass windshield side. The lower housing 3 is provided with a pair of anti-front screw bases 313 on the bottom surface and directly below the camera module 6.
A substrate connector 501 is provided on the upper surface of the substrate 5 on the windshield side.
The board connector 501 is connected to the camera connector 601 of the camera module 6 via the cable 7.

A pair of front side screws 401 and 402 on the side of the windshield has a tip passing through the upper housing part 2 and the substrate 5 and screwed to the front side screw base 312. The front side screw base 312 and the front side screw The substrate 5 and the upper housing part 2 are sandwiched between the heads 401 and 402.
The pair of anti-front side screws 403 and 404 on the opposite side of the windshield side penetrate through the upper housing 2, the camera module 6 and the substrate 5 and are screwed to the anti-front side screw base 313. The substrate 5, the camera module 6, and the upper housing part 2 are sandwiched between the anti-front screw base 313 and the head of the anti-front screw 403.

  In this in-vehicle camera, an image signal obtained through the lens 602 of the camera module 6 through the perspective window 104 and the scenery of the lower world in front of the windshield is sent to the substrate 5 through the cable 7, and this substrate 5 assists driving. Output a signal.

In the in-vehicle camera having the above-described configuration, the substrate 5 provided with the substrate connector 501 and the camera module 6 are placed on the lower housing 3, and then both ends of the cable 7 are connected to the substrate connector 501 and the camera connector 601, respectively. To do.
Next, the windshield side screws 401 and 402 penetrate the upper casing 2 and the substrate 5 and are screwed to the front side screw base 312.
Further, the anti-front glass side screws 403 and 404 pass through the upper housing part 2, the camera module 6 and the substrate 5 and are screwed to the anti-front side screw base 313.
The vehicle-mounted camera integrated in this way has the projections 301 and 302 fitted into the holes 101 and 102 of the bracket 1 fixed to the windshield, and the locking projection 303 is locked to the locking portion 103 of the bracket 1. The in-vehicle camera is attached to the windshield via the bracket 1.

According to the in-vehicle camera having the above configuration, the camera connector 601 and the board connector 501 of the camera module 6 are provided on the upper surface side of the same board 5.
Accordingly, no matter where the camera module 6 is arranged on the upper surface of the substrate 5, the substrate connector 501 is provided at a location near the camera module 6 on the upper surface of the substrate 5. Can be electrically connected to the camera connector 601.
Therefore, the board connector 501 and the camera connector 601 can be electrically connected by the short cable 7 without making a hole in the board 5 and ensuring a high degree of freedom in arranging the camera module 6.

  Further, since the camera module 6 is disposed away from the windshield side end of the substrate 5 on the opposite side of the windshield, the light from below the camera module 6 is reflected by the windshield to the camera module 6. An incident phenomenon (reflection) can be prevented.

  The on-vehicle camera is assembled by sandwiching the substrate 5 and the upper housing 2 between the front screw base 312 and the heads of the front screws 401 and 402, and at the same time the anti-front screw base 313 and the anti-front side. The substrate 5, the camera module 6 and the upper housing part 2 may be sandwiched between the heads of the screws 403, and the substrate 5 and the camera module 6 can be attached to the housing at the same time. Compared with the case where the substrate 5 is separately mounted on the housing, the mounting man-hour is reduced.

  Further, since the board connector 501 is joined to the end of the cable 7 from above, the connection workability of the cable 7 to the board connector 501 is improved.

Further, when the in-vehicle camera is fixed to the bracket 1 fixed to the windshield, the lower housing portion 3 is attached to the bracket 1 with the protrusions 301 and 302, the locking protrusion 303, the hole portions 101 and 102, and the locking portion. It may be attached by means of attachment means constituted by 103.
Therefore, the upper casing is fixed to the bracket fixed to the windshield, the lower casing is fixed to the upper casing, and the camera module is fixed to the lower casing. Since the number of locations is reduced, the amount of deviation of the optical axis of the camera module 6 can be reduced due to the respective manufacturing tolerances.

  DESCRIPTION OF SYMBOLS 1 Bracket, 101,102 hole part, 103 latching part, 104 see-through window, 2 upper housing part, 201 lens hole, 3 lower housing part, 301,302 protrusion, 303 latching protrusion, 312 front side screw base 313 Anti-front screw base, 401, 402 Front screw, 403, 404 Anti-front screw, 5 substrate, 501 substrate connector, 6 camera module, 601 camera connector, 602 lens, 7 cable.

Claims (6)

It is an in-vehicle camera that can be installed in the passenger compartment facing the windshield,
An upper housing portion on the upper side in the vehicle interior;
A lower lower casing portion that forms a space that is partitioned from the outside in cooperation with the upper casing portion;
A substrate disposed in a housing constituted by the upper housing portion and the lower housing portion;
A camera module attached to a surface of the substrate on the upper housing side;
A board connector provided on the surface of the board on the upper housing part side;
A vehicle-mounted camera comprising: a cable connecting the board connector and the camera connector of the camera module.   The in-vehicle camera according to claim 1, wherein the substrate and the camera module are fixed to the lower housing part. A screw seat is provided on the bottom surface of the lower housing part,
The in-vehicle camera according to claim 2, wherein the board, the camera module, and the upper housing part are sandwiched between the screw seat and a head portion of a screw whose tip is screwed onto the screw seat.   The in-vehicle camera according to claim 2 or 3, wherein the lower housing part is attached to a bracket fixed to the windshield by attachment means. The attachment means includes a protrusion provided at an end of the lower casing portion on the windshield side,
A locking projection provided on the side surface of the lower housing portion opposite to the windshield side;
A hole provided at one end of the bracket, into which the protrusion fits;
The in-vehicle camera according to claim 4, wherein the vehicle-mounted camera is configured by a locking portion that is provided at the other end portion of the bracket and locks with the locking protrusion.   The in-vehicle camera according to any one of claims 1 to 5, wherein the camera module is disposed away from an end portion of the substrate on the windshield side, on the opposite side of the windshield.

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