JP2015200533A - Electronic apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic apparatus for enabling a system integrally constituted by products with different arrangement angles with respect to the windshield of a vehicle to be attached to the windshield.SOLUTION: An on-vehicle camera 20 includes a recession part 23 in an opposing part 24 opposing to a windshield 10. The on-vehicle camera 20 is attached to the windshield 10 at a first angle with respect to the inclination angle of the windshield 10. A rain sensor 30 has columnar projection parts 31 arranged on side surfaces 32, 33 along a surface constituting the inclination angle of the windshield 10. The on-vehicle camera 20 includes a holding part 25 arranged in the recession part 23 and holding the projection parts 31 by U shape pawl parts 25b to which the projection parts 31 are inserted. Consequently, the projection parts 31 of the rain sensor 30 are turned by sliding on the pawl parts 25b, so that the angle of the rain sensor 30 is adjusted to be a second angle different from a first angle of the on-vehicle camera 20.

Description

  The present invention relates to an electronic device in which a first product and a second product are integrated.

  Conventionally, for example, Patent Document 1 proposes an integrated device in which a rain sensor that detects raindrops and a front monitoring camera that captures the front of a vehicle are housed in one housing. The front monitoring camera is fixed in the housing so as to match the angle of the windshield of the vehicle on which the integrated device is mounted. Thus, when the housing of the integrated device is fixed to the windshield of the vehicle, the rain sensor is installed so as to be able to measure raindrops on the windshield, and the front monitoring camera can photograph a predetermined range in front of the vehicle. Installed.

US Patent Application Publication No. 2012/0034857

  However, in the above conventional technique, the front monitoring camera is fixed to the housing according to the inclination angle of the windshield of the vehicle on which the integrated device is mounted. For this reason, when the integration device is fixed to the windshields of different inclination angles of different vehicle types, the rain sensor is arranged so that raindrops can be measured with respect to the windshield, but the front monitoring camera correctly sets the predetermined range in front. You will not be able to shoot. In other words, if the rain sensor is installed on the windshield so as to be measurable, the shooting range of the front monitoring camera is shifted to the upper side of the vehicle or the ground side. This is because products with different installation angles are integrated with the windshield.

  In the above description, the integrated device in which the rain sensor and the front monitoring camera are integrated has been described, but the integrated product is not limited thereto. That is, there is a problem that if one of the two integrated products is installed so as to be measurable according to the inclination angle of the vehicle windshield, the other cannot be measured.

  The present invention has been made in view of the above points, and an object of the present invention is to provide an electronic device that can attach to a windshield an integrated product having different installation angles with respect to the windshield of a vehicle.

  To achieve the above object, according to the first aspect of the present invention, there is provided a first product (20) attached to the windshield (10) with a first angle with respect to an inclination angle of the vehicle windshield (10). And a second product (30) integrated with the first product (20).

  Further, the second product (30) is integrated with the first product (20), and the angle of the second product (30) with respect to the inclination angle of the windshield (10) is changed relative to the first angle. And an angle adjusting means (25 to 28, 31, 36, 38, 39) for adjusting to the second angle.

  According to this, the first product (20) is attached to the windshield (10) at a first angle with respect to the inclination angle of the windshield (10). On the other hand, the second product (30) is tilted to the second angle with respect to the first angle by the angle adjusting means (25-28, 31, 36, 38, 39). Thus, the second angle of the second product (30) relative to the windshield (10) can be adjusted to an angle different from the first angle by the angle adjusting means (25-28, 31, 36, 38, 39). it can. Therefore, what integrated the product from which an installation angle differs with respect to a windshield (10) can be attached to a windshield (10).

  In addition, the code | symbol in the bracket | parenthesis of each means described in this column and the claim shows the correspondence with the specific means as described in embodiment mentioned later.

1 is a partial cross-sectional view and a projection view of an electronic device according to a first embodiment of the present invention. It is the figure which showed a mode that the rain sensor was attached to a holding | maintenance part. It is sectional drawing and the projection figure of the electronic device which concern on 2nd Embodiment of this invention. It is sectional drawing and a projection view of the electronic device which concerns on 3rd Embodiment of this invention. It is sectional drawing of the electronic device which concerns on 4th Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following embodiments, the same or equivalent parts are denoted by the same reference numerals in the drawings.

(First embodiment)
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. The electronic device according to the present embodiment is an integration of an in-vehicle camera that images the front of the vehicle and a rain sensor that detects raindrops attached to the windshield of the vehicle.

  As shown in FIG. 1, the electronic device is installed on the passenger compartment side of the windshield 10. The inclination angle of the windshield 10 is different for each vehicle type. The electronic device includes an in-vehicle camera 20 and a rain sensor 30.

  The in-vehicle camera 20 is a photographing device configured to photograph the front of the vehicle. Specifically, the in-vehicle camera 20 includes a case 21 and a camera photographing unit 22.

  The case 21 is an appearance of the in-vehicle camera 20. The case 21 is attached to the windshield 10 with a first angle with respect to the inclination angle of the windshield 10 by being fixed to a bracket (not shown). That is, the vehicle-mounted camera 20 is attached to the windshield 10 with a first angle.

  The “first angle” is an angle at which the in-vehicle camera 20 can photograph the front of the vehicle with the case 21 fixed to the bracket. In other words, the “first angle” is an angle set for each vehicle type. That is, the “first angle” is an angle that differs for each inclination angle of the windshield 10.

  Here, the bracket plays a role of holding the case 21 and is attached to the windshield 10. The bracket is, for example, a metal plate pressed into a predetermined shape. The bracket is fixed to the windshield 10 with an adhesive or the like.

  The case 21 has a recess 23. The recess 23 is provided in the facing portion 24 facing the windshield 10 in the case 21, and is a portion that is recessed so that the facing portion 24 is separated from the windshield 10.

  Further, the case 21 accommodates a circuit board (not shown). The circuit board has a connector (not shown), a wiring circuit (not shown), and the like. The circuit board is, for example, a printed board. The connector is a part to which the wiring connector is connected.

  The camera photographing unit 22 is a photographing unit configured to photograph the front of the vehicle, in which a camera lens, a light receiving unit, a signal processing unit, and the like are packaged. The camera photographing unit 22 is disposed on the traveling direction side of the vehicle in the case 21. The camera photographing unit 22 is electrically connected to an electric circuit accommodated in the case 21.

  The rain sensor 30 is a raindrop detection device configured to detect raindrops attached to the windshield 10. The rain sensor 30 is pressed against the silicon sheet 40 disposed between the windshield 10 and the rain sensor 30. The rain sensor 30 is packaged with light emitting means, light receiving means, a control circuit, and the like. The rain sensor 30 has a detection surface that is pressed against the silicon sheet 40.

  The rain sensor 30 is configured to reflect the light emitted from the light emitting means with the windshield 10 and detect the reflected light with the light receiving means. According to this, since the light refraction characteristics in the windshield 10 change when raindrops adhere to the windshield 10, the intensity of the light detected by the light receiving means changes. Therefore, raindrops attached to the windshield 10 can be detected.

  The control circuit of the rain sensor 30 is electrically connected to the wiring path of the circuit board accommodated in the in-vehicle camera 20 via the electrical connection unit 50. The electrical connection portion 50 is a deformable wiring means such as a flexible wiring or a metal wiring.

  The rain sensor 30 is disposed in the recess 23 of the in-vehicle camera 20 and is integrated with the in-vehicle camera 20. Hereinafter, a specific configuration of integration will be described.

  First, as shown in FIG. 1, the rain sensor 30 includes a cylindrical protrusion 31. The protrusion 31 is provided on each of the side surfaces 32 and 33 along the surface constituting the inclination angle of the windshield 10 in the rain sensor 30. Further, the protrusion 31 is provided at the center of the length in the major axis direction of each of the side surfaces 32 and 33.

  Here, the “surface constituting the inclination angle of the windshield 10” is a triangular cross section obtained by cutting each face so as to include a connection point between the surface forming the inclination angle of the windshield 10 and a horizontal plane. . In other words, it is a surface that is perpendicular to the ground and that follows the direction of travel of the vehicle.

  The in-vehicle camera 20 includes a holding unit 25. The holding part 25 includes a beam part 25a and a claw part 25b. The beam portion 25a is provided in the concave portion 23 so as to connect the wall surfaces 23a, 23b facing the side surfaces 34, 35 adjacent to the side surfaces 32, 33 provided with the protruding portion 31 among the wall surfaces of the concave portion 23. The beam portion 25 a is provided corresponding to each of the side surfaces 32 and 33. That is, two beam portions 25a are provided. The claw portion 25b is U-shaped hooking means into which the protruding portion 31 is inserted.

  As shown in FIG. 2, the protrusion 31 of the rain sensor 30 is fitted into the claw 25 b of the holding unit 25. Thereby, the holding | maintenance part 25 hold | maintains the projection part 31 by the nail | claw part 25b. In this way, the rain sensor 30 and the in-vehicle camera 20 can be integrated.

  The holding unit 25 holds the rain sensor 30 so as to be rotatable about the central axis of the protrusion 31. According to this, since the protrusion 31 of the rain sensor 30 rotates by sliding on the claw portion 25b, the rain sensor 30 can be adjusted to a second angle different from the first angle of the in-vehicle camera 20. That is, the angle of the rain sensor 30 can be set to the same angle as the inclination angle of the windshield 10.

  Here, the “second angle” is an angle at which the rain sensor 30 can detect a raindrop. That is, the detection surface of the rain sensor 30 that contacts the silicon sheet 40 is inclined at the same angle as the inclination angle of the windshield 10.

  The rain sensor 30 is integrated with the case 21 of the in-vehicle camera 20 with the silicon sheet 40 attached. When the case 21 is attached to the bracket, the rain sensor 30 hits the windshield 10 via the silicon sheet 40 and rotates around the protrusion 31. Thereby, the angle of the rain sensor 30 with respect to the inclination angle of the windshield 10 is adjusted to the 2nd angle which changed relatively with respect to the 1st angle. That is, the protrusion 31 of the rain sensor 30 and the holding unit 25 of the in-vehicle camera 20 are angle adjusting means of the rain sensor 30.

  Here, as described above, since the rain sensor 30 is electrically connected to the wiring path of the circuit board in the case 21 by the electrical connection portion 50 such as flexible wiring, the rain sensor 30 is connected to the in-vehicle camera 20. Even if the angle is changed, the electrical connection is maintained.

  As described above, in the present embodiment, the in-vehicle camera 20 is tilted at the first angle with respect to the tilt angle of the windshield 10, and the rain sensor 30 is different from the first angle by the protrusion 31 and the holding unit 25. Tilt to 2 angles. Thus, the second angle of the rain sensor 30 with respect to the windshield 10 can be changed with respect to the first angle of the in-vehicle camera 20 by the protrusion 31 and the holding portion 25. Therefore, an in-vehicle camera 20 and a rain sensor 30 that have different installation angles with respect to the windshield 10 can be attached to the windshield 10.

  As for the correspondence between the description of the present embodiment and the description of the claims, the protrusion 31 and the holding portion 25 correspond to the “angle adjusting means” of the claims. The in-vehicle camera 20 corresponds to the “first product” in the claims, and the rain sensor 30 corresponds to the “second product” in the claims.

(Second Embodiment)
In the present embodiment, parts different from the first embodiment will be described. As shown in FIG. 3, the rain sensor 30 has claw portions 60 on the side surfaces 32 and 33 along the surface constituting the inclination angle of the windshield 10. The claw portion 60 has a shape in which a part of the plate is bent into a semi-cylindrical shape, and the side surfaces 32 and 33 of the rain sensor 30 so that the space corresponding to the hollow portion of the cylinder faces the bottom surface 23e side of the recess 23. Is provided on the bottom surface 23e side.

  On the other hand, the in-vehicle camera 20 has a semi-cylindrical holding portion 23f provided at a position corresponding to the claw portion 60 in the bottom surface 23e of the recess 23. The semi-cylindrical holding portion 23f is provided on the bottom surface 23e of the recess 23 so that the central axis of the semicircle is in a direction perpendicular to the side surfaces 32 and 33 of the rain sensor 30. In the present embodiment, each holding portion 23 f is provided so as to protrude from the wall surfaces 23 c and 23 d facing the side surfaces 32 and 33 of the rain sensor 30 in the recess 23 and from the bottom surface 23 e.

  In addition, the holding part 23f may be a semi-cylindrical shape as a whole, or may have a configuration in which a semi-cylindrical body is combined with a rectangular parallelepiped. That is, you may adjust the height of the holding | maintenance part 23f with a rectangular parallelepiped part. Therefore, the holding portion 23f only needs to have at least a semi-cylindrical portion.

  And the vehicle-mounted camera 20 hold | maintains the rain sensor 30 so that rotation is possible because each holding | maintenance part 23f is arrange | positioned in the space part of each nail | claw part 60. FIG. That is, the rain sensor 30 can be rotated like a seesaw with the holding portion 23f as a fulcrum. Thus, when the case 21 is attached to the bracket, the rain sensor 30 hits the windshield 10 via the silicon sheet 40 and rotates around the holding portion 26, so that the rain sensor 30 is set to the first angle of the in-vehicle camera 20. Can be adjusted to different second angles.

  As described above, the claw portion 60 and the holding portion 23 f can function as the angle adjusting means of the rain sensor 30. As for the correspondence between the description of the present embodiment and the description of the claims, the claw portion 60 and the holding portion 23f correspond to the “angle adjusting means” in the claims.

(Third embodiment)
In the present embodiment, parts different from the first embodiment will be described. As shown in FIG. 4, the rain sensor 30 includes a hole 36. The hole 36 is a portion where a part of the rain sensor 30 facing the wall surface of the recess 23 is recessed. In the present embodiment, the hole 36 of the rain sensor 30 is provided on the end surface 37 of the rain sensor 30 on the side opposite to the windshield 10. The end surface 37 is a surface facing the bottom surface 23 e of the recess 23 of the case 21.

  The in-vehicle camera 20 includes a holding unit 26. The holding portion 26 is a portion in which a part of the concave portion 23 of the case 21 protrudes in a spherical shape. In the present embodiment, the holding portion 26 is provided on the bottom surface 23 e of the recess 23.

  The in-vehicle camera 20 holds the rain sensor 30 movably along the spherical surface of the holding unit 26 by inserting the spherical holding unit 26 into the hole 36. Thereby, since the direction of the rain sensor 30 can be changed along the spherical surface of the holding portion 26, the rain sensor 30 can be adjusted to the second angle.

(Fourth embodiment)
In the present embodiment, parts different from the first to third embodiments will be described. As shown in FIG. 5, the rain sensor 30 includes claws 38 and 39. The claws 38 and 39 are respectively provided on two side surfaces 34 and 35 adjacent to the two side surfaces 32 and 33 along the surface constituting the inclination angle of the windshield 10 in the rain sensor 30.

  The in-vehicle camera 20 includes a first hook part 27 and a second hook part 28. The first hook portion 27 is provided on one wall surface 23 a of the wall surfaces 23 a and 23 b facing the side surfaces 34 and 35 provided with the claws 38 and 39 among the wall surfaces of the recess 23 of the case 21. The 1st hook part 27 is a part on which one nail | claw 38 is hooked, for example, has a step shape.

  The second hook portion 28 is provided in an uneven shape on the other wall surface 23b of the wall surfaces 23a, 23b facing the side surfaces 34, 35 provided with the claws 38, 39 among the wall surfaces of the recess 23. In the second hooking portion 28, the other claw 39 is hooked on any one of the concave portions of the concave-convex structure constituting the second hooking portion 28. In the present embodiment, the first hook portion 27 is provided on the vehicle front side, and the second hook portion 28 is provided on the vehicle rear side.

  One of the claws 38 is hooked on the first hook portion 27, and the other hook 39 is hooked on the concave portion of the second hook portion 28 closest to the windshield 10. When the case 21 is attached to the bracket in this state, the rain sensor 30 hits the windshield 10 via the silicon sheet 40 and the rain sensor 30 is pressed against the windshield 10. Thereby, the detection surface of the rain sensor 30 is tilted until it reaches the same angle as the tilt angle of the windshield 10. At this time, the rain sensor 30 moves to the bottom surface 23e side of the recess 23 with the one claw 38 as a fulcrum, and the other claw 39 moves to the bottom surface 23e side of the recess 23. Thus, the rain sensor 30 can be adjusted to a second angle different from the first angle of the in-vehicle camera 20.

  As described above, the claws 38 and 39, the first hook portion 27, and the second hook portion 28 can function as angle adjusting means. As for the correspondence between the description of the present embodiment and the description of the claims, the claws 38, 39, the first hooking portion 27, and the second hooking portion 28 are the "angle adjusting means" in the claims. Correspond.

(Other embodiments)
The configuration of the electronic device described in each of the above embodiments is an example, and the present invention is not limited to the configuration described above, and other configurations that can realize the present invention may be employed. For example, as a product attached to the windshield 10 at the first angle, other products such as a laser radar other than the in-vehicle camera 20 may be employed. In addition to the rain sensor 30, other products such as a humidity sensor may be employed as a product attached to the windshield 10 at the second angle.

  In the first embodiment, the claw portion 25b is fixed to the beam portion 25a. However, the claw portion 25b may be configured by, for example, a part of the wall surface of the recess 23 protruding. That is, the holding part 25 does not necessarily have the beam part 25a.

  In the second embodiment, the holding portion 23f is provided so as to protrude from the wall surfaces 23c and 23d and the bottom surface 23e of the recess 23, but the wall surfaces 23c and 23d facing the side surfaces 32 and 33 of the rain sensor 30 in the recess 23. It may be provided so as to protrude from. On the other hand, the holding portion 23f may be provided so as to protrude from the bottom surface 23e of the concave portion 23, and the claw portion 60 may be formed of only a semi-cylindrical portion.

  In the fourth embodiment, the first hook portion 27 is provided on the vehicle front side and the second hook portion 28 is provided on the vehicle rear side. However, the first hook portion 27 is provided on the vehicle rear side. In addition, the second hook 28 may be provided on the front side of the vehicle.

10 Windshield 20 In-vehicle camera (first product)
23 Concave part 24 Opposing part 25 Holding part (Angle adjustment means)
25b Claw 30 Rain sensor (second product)
31 Protrusion (angle adjustment means)
32, 33 side

Claims (6)

A first product (20) attached to the windshield (10) at a first angle relative to the tilt angle of the vehicle windshield (10);
A second product (30) integrated into the first product (20);
The second product (30) is integrated with the first product (20), and the angle of the second product (30) with respect to the inclination angle of the windshield (10) is relative to the first angle. Angle adjusting means (25-28, 31, 36, 38, 39) for adjusting to the second angle changed to
An electronic device comprising: The first product (20) has a recessed portion (23) that is recessed so that the facing portion (24) is separated from the windshield (10) at the facing portion (24) facing the windshield (10). ,
The second product (30) is disposed in the recess (23),
The angle adjusting means includes a columnar protrusion (31) provided on a side surface (32, 33) along a surface constituting an inclination angle of the windshield (10) of the second product (30). The protrusion (31) is held by the U-shaped claw portion (25b), which is disposed in the recess (23) and into which the protrusion (31) is inserted, and the central axis of the protrusion (31) The electronic device according to claim 1, further comprising: a holding portion (25) that rotatably holds the second product (30) around the center. The first product (20) has a recessed portion (23) that is recessed so that the facing portion (24) is separated from the windshield (10) at the facing portion (24) facing the windshield (10). ,
The second product (30) is disposed in the recess (23),
The angle adjusting means is provided on the side surface (32, 33) along the surface constituting the inclination angle of the windshield (10) of the second product (30), and the space portion is the recess (23 ) And a semi-cylindrical claw portion (60) directed to the bottom surface (23e) side, and provided in the concave portion (23) and disposed in the space portion of the claw portion (60). 2. The electronic device according to claim 1, further comprising: a semi-cylindrical holding portion (23 f) that holds the two products (30) so as to be rotatable. The first product (20) has a recessed portion (23) that is recessed so that the facing portion (24) is separated from the windshield (10) at the facing portion (24) facing the windshield (10). ,
The second product (30) is disposed in the recess (23),
The angle adjusting means includes a hole (36) in which a part of the second product (30) facing the bottom surface (23e) of the recess (23) is recessed, and a bottom surface of the recess (23) ( 23e), the portion corresponding to the hole (36) protrudes in a spherical shape and is inserted into the hole (36) to hold the second product (30) movably along the spherical surface. The electronic device according to claim 1, further comprising a holding portion. The first product (20) has a recessed portion (23) that is recessed so that the facing portion (24) is separated from the windshield (10) at the facing portion (24) facing the windshield (10). ,
The second product (30) is disposed in the recess (23),
The angle adjusting means includes two side surfaces (34, 35) adjacent to two side surfaces (32, 33) along a surface constituting the inclination angle of the windshield (10) of the second product (30). Of the wall surface (23a, 23b) facing the side surface (34, 35) provided with the claw (38, 39) of the wall surface of the recess (23). A first hooking portion (27) on which one of the claws (38, 39) is hooked and a side surface on which the claws (38, 39) are provided on the wall surface of the recess (23) ( 34, 35) is provided on the other of the wall surfaces (23a, 23b) facing the concave and convex portion, and the other of the claws (38, 39) is hooked on any concave portion of the concave and convex structure. Part (28). Electronic device according to claim 1, characterized in that it is. The first product is configured as an in-vehicle camera (20) having a camera photographing unit (22) for photographing the front of the vehicle,
6. The electronic device according to claim 1, wherein the second product is configured as a rain sensor (30) that detects raindrops attached to the windshield (10). 7. apparatus.

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