JP5229560B2 - In-vehicle equipment with rearview mirror - Google Patents

Description

  The present invention relates to a room mirror-mounted in-vehicle device that is mounted on an existing room mirror for an automobile.

  The rearview mirror is also referred to as a rearview mirror, and is installed in front of the interior of the automobile (near the upper center of the windshield) in order to secure a visual field behind the driver. As a result, the driver can confirm the rear and rear sides while looking forward. As shown in FIG. 1A, the rear-view mirror 1 that is attached to a standard automobile as a standard is changing to a type that is directly attached to a windshield 2. That is, the room mirror 1 adopts a structure in which the mirror part 6 is connected to the tip of the arm 4 attached to the pedestal 3 attached to the windshield 2 via the joint part 5. The joint portion 5 is configured such that the mirror portion 6 is movable within a predetermined angle range with respect to the arm 4 and can hold its posture at a desired position.

On the other hand, as shown in FIG.1 (b), the vehicle equipment 7 may be mounted | worn with respect to the standard room mirror 1 of the structure which concerns. The in-vehicle device 7 includes, for example, a retrofit mirror having a wider field of view than the mirror unit 6 mounted as a standard, a display device that displays various kinds of information necessary for driving. This necessary information includes, for example, the state of the traveling vehicle such as the vehicle speed, the current time, the current position, an approach notification to a target such as a vehicle speed measurement device, an emergency vehicle approach notification, and a rear in-vehicle camera image. There are various things. In addition, when the vehicle equipment 7 takes the form which covers the mirror part 6 as a result of mounting | wearing with the room mirror 1, a mirror part is provided in the surface of the vehicle equipment 7. FIG. In such a case, the vehicle-mounted device includes a display unit in a part of the mirror unit. As this type of vehicle-mounted device, there is one disclosed in Patent Document 1, for example.
JP 2005-335410 A

  Incidentally, as described above, when the in-vehicle device 7 is attached to the standard room mirror 1 as a retrofit, vibration generated in the automobile is transmitted through the room mirror, and the in-vehicle device 7 may be shaken. Then, when the in-vehicle device 7 includes a mirror part, there is a problem that the rear visual field of the mirror part is blurred and difficult to see. That is, even if the shake of the in-vehicle device 7 is small, the rear image reflected in the in-vehicle device 7 appears to be larger as the distance is longer, so that the problem of shake due to vibration becomes significant. Further, in the case where the in-vehicle device 7 is provided with a display device (display unit), it is difficult to see the display content.

  As can be seen from a comparison between FIG. 1A and FIG. 1B, when the in-vehicle device 7 is attached to the front surface of the mirror portion 6, the in-vehicle device 7 is located on the side away from the joint portion 5. Therefore, the center-of-gravity position O2 (see FIG. 1B) that combines the in-vehicle device 7 and the mirror unit 6 (room mirror 1) is the center-of-gravity position O1 when the standard room mirror 1 is used alone (see FIG. 1A). ), The force applied to the joint portion 5 is increased, and the force for holding the mirror portion 6 in the joint portion 5 is weakened and unstable. It becomes.

  For this reason, when vibration is transmitted from the vehicle body to the rearview mirror 1, it is considered that vibration is greater when the vehicle-mounted device 7 is attached than when the vehicle-mounted device 7 is not installed. In particular, the joint portion 5 employed in a standard room mirror of the type attached to the windshield is relatively soft and easily vibrates, so that the above problem appears more prominently. In particular, in the case of an in-vehicle device that incorporates an electronic device such as a display device, the weight increases and the thickness also increases. Therefore, the center of gravity O2 is located in a direction away from the windshield 2 (room mirror 1). It becomes.

  Therefore, an object of the present invention is to provide an in-vehicle device that makes it difficult for large vibrations to occur in the in-vehicle device (room mirror) even when the in-vehicle device is attached to a standard room mirror.

In order to achieve the above-described object, an in-vehicle device according to the present invention is (0) a vehicle-mounted device attached to a standard vehicle rearview mirror that suppresses vibration of the in-vehicle device accompanying vibration of the vehicle. A suppression member is provided, and the vibration suppression member adjusts the position of the center of gravity of the room mirror with the on-vehicle equipment attached.
(1) A vehicle-mounted device that is attached to a vehicle rear-mounted room mirror, and includes a vibration suppression member that suppresses vibration of the vehicle-mounted device that accompanies vibration of the vehicle. In the in-vehicle device, in order to cover the entire front surface of the mirror unit, the in-vehicle device is also provided with the mirror unit. However, the mirror unit of the standard room mirror can be visually recognized by providing an appropriate opening. Thus, it is possible to adopt a mode in which the mirror unit is not provided in the in-vehicle device. In the present invention, the vibration transmitted from the vehicle to the in-vehicle device can be suppressed by providing the vibration suppressing member. The vibration suppressing member can be realized by various types, and some examples are as follows.

  (2) The vibration suppressing member may adjust the position of the center of gravity of the room mirror with the in-vehicle device attached. By setting the center of gravity of the entire room mirror with the in-vehicle device attached to an appropriate position, the stability in the state in which the in-vehicle device is attached is increased, and vibration transmitted from the vehicle can be suppressed.

  (3) The vibration suppressing member may be a balancer disposed on the back side of the mirror portion of the room mirror on which the in-vehicle device is mounted. The present invention is realized in the first embodiment. By installing the balancer (weight) on the back side of the mirror part, the center of gravity position of the entire in-vehicle device and mirror part moves to the rear mirror (front glass) side than when no balancer is provided. Occurrence of vibration transmitted from is suppressed.

  (4) As another configuration, the in-vehicle device is configured by separating a main body portion on which an electronic circuit / device is mounted and a display portion, and the display portion is attached to the front surface of the mirror portion. It is preferable to dispose the main body portion on the back side of the mirror portion so that the main body portion functions as the vibration suppressing member. The present invention is realized in the second embodiment. This is preferable because the weight of the original electronic circuit / device constituting the vehicle-mounted device mounted in the main body can be used as a balancer. Of course, if the weight is insufficient with only regular parts, it is not hindered to add an appropriate balancer. Moreover, since the display part provided in the front surface of a mirror part can make thin thickness, even if the weight of a main-body part is not so heavy, a gravity center position can be set to a desired position.

  (5) The vibration suppressing member may be a rod-shaped member interposed between the in-vehicle device and the windshield of the vehicle. In the embodiment, the rod-shaped member corresponds to a support rod. The present invention is realized in the third embodiment. Thus, by interposing a rod-shaped member between the windshield and the in-vehicle device, the in-vehicle device is prevented from shaking greatly.

  (6) The said forced suppression member is good also as a suspension member (wire) which suspends and supports the said vehicle equipment from the indoor upper site | part of the said vehicle. The present invention is realized as a modification of the third embodiment. Thus, by suspending and supporting the in-vehicle device, the in-vehicle device is prevented from shaking greatly.

  In the present invention, since the in-vehicle device is attached to the standard room mirror of the vehicle, the angle can be adjusted integrally with the room mirror. At this time, particularly in the inventions of (2) to (4) above, the vibration suppressing member is attached to the rear mirror itself (a configuration that does not contact other parts of the vehicle such as the windshield is possible) and the center of gravity Therefore, if a part of the body hits the rearview mirror, it is preferable because the movement of the rearview mirror is not hindered.

  In the present invention, by providing the vibration suppressing member, even when the in-vehicle device is attached to a standard room mirror, it is possible to make it difficult for vibration to occur.

  FIG. 2 shows a preferred first embodiment of the present invention. As shown in FIG. 2, the room mirror 1 attached to the car as a standard includes a pedestal 3 attached to the windshield 2, an arm 4 attached to the pedestal 3, and a movable part at the tip of the arm 4. And a mirror part 6 connected via a joint part 5. In addition, it is preferable to connect the base 3 and the arm 4 via an appropriate movable part.

  The in-vehicle device 10 of the present embodiment is provided with a mirror part 12 for rearward viewing over almost the entire surface of the main body 11 formed of a flat rectangular housing, and further, a display unit is provided in a partial region of the mirror part 12. 13 is provided. Various information necessary for driving is displayed on the display unit 13. In addition, fixing clamps 14 are provided on the upper and lower sides of the center of the back surface of the main body 11, and the in-vehicle device 10 is fixed by being sandwiched from above and below the standard room mirror 1 by the fixing clamps 14.

  The display unit 13 includes a display such as a liquid crystal panel or an organic EL panel, and the contents (information) displayed on the display unit 13 can be visually recognized from the outside. More specifically, by making the region of the mirror unit 12 facing the display unit 13 transparent or translucent, the content displayed on the display unit 13 can be viewed from the outside. Further, a layout in which a predetermined region (region facing the display unit 13) of the mirror unit 12 is opened to set a window hole, and the display unit 13 is inserted and arranged in the window hole can be adopted.

  In the main body 11, a control unit for determining specific contents to be displayed on the display unit 13, that is, a microwave is detected or a GPS signal is received to identify a current position and a surrounding detection target A control unit that sends a control signal to perform a corresponding alarm / notification to the display unit 13 or a power supply circuit, etc. A main board with a built-in is incorporated. Therefore, the main body 11 has a certain thickness (depth) although it is flat because it has the mirror portion 12 and becomes wide.

  Here, in the present embodiment, a balancer 15 is mounted on the rear surface 6a side of the mirror section 6 of the room mirror 1. The balancer 15 may be fixed to the back surface 6a of the mirror unit 6 by using, for example, a double-sided tape, an adhesive sheet, or another adhesive member, or may be a clamp unit or a claw member used when fixing the main body 11. Further, a fixing mechanism / structure for mechanically fixing may be provided. Furthermore, it is not necessarily limited to the one directly fixed to the back surface of the mirror unit 6. For example, the balancer 15 is linked to the main body 11 using an arm, a band, a string, or other connecting members, and the balancer 15 is mirrored in that state. You may arrange | position to the back surface 6 side of the part 6. FIG.

  By positioning the balancer 15 on the back surface 6a side of the mirror unit 6 in this way, the overall center-of-gravity position O3 obtained by adding the main body 11 and the balancer 15 to the mirror unit 6 of the rearview mirror 1 can be brought closer to the joint unit 5 side. And vibration is suppressed.

  FIG. 3 shows a second embodiment of the present invention. In the present embodiment, the display unit and members such as the mirror unit 12 that are visually recognized by the driver are separated from the main body unit 16. That is, the mirror unit 12 is provided on the front surface of the auxiliary case 18 and the display unit is disposed at a predetermined position. Furthermore, a fixing clamp portion 14 is provided on the back surface of the auxiliary case 18 so that the fixing mirror 14 can be attached to the rearview mirror 1 (mirror portion 6).

  An electronic circuit / device such as a control unit for determining specific contents to be displayed on the display unit 13 is mounted in the main body unit 16. An electronic circuit / device such as a control unit and the display unit are connected using a cable 17. The cable 17 is also used to supply power to the display unit. And the main-body part 16 is arrange | positioned at the back surface 6a side of the mirror part 6 of the rearview mirror 1 similarly to the balancer 15 in 1st Embodiment. The main body 16 may be fixed to the rear surface 6a of the mirror portion 6 of the rearview mirror 1 by bonding or the like, as with the balancer 15, or the auxiliary case 18 and the main body portion 16 may be connected using various connecting members. In cooperation, the main body portion 16 may be disposed on the back surface 6 side of the mirror portion 6 in this state.

  According to the present embodiment, the main body 16 has a certain amount of weight depending on the electronic circuit / equipment mounted therein, and the weight of the main body 16 is on the back surface 6a side (near the joint 5) of the mirror unit 6. In addition, the mirror unit 12 and the display unit are located on the front surface of the mirror unit 5 of the room mirror 1 and are lighter than conventional vehicle-mounted devices. Therefore, the entire room mirror 1 (mirror unit 5) and vehicle-mounted device are combined. The center-of-gravity position O4 can be brought closer to the joint part 5 side, and vibration is suppressed. In particular, since the mirror part 13 located on the front side of the rearview mirror 1 and the auxiliary case 18 for mounting the display part can be made thin, the center of gravity position O4 can be set even if the main body part 16 is lighter than the balancer 15 from that point. It can be brought closer to the joint part 5 side.

  FIG. 4 shows a third embodiment of the present invention. In this embodiment, the support rod 20 which is a rod-shaped member is connected to a predetermined position (for example, the upper end portion) of the in-vehicle device 10. A connecting member such as a suction cup 21 is provided at the tip of the support rod 20 so as to adhere (adsorb) to the windshield 2. Instead of the suction cup 21, a connecting member provided with an adhesive member such as a double-sided tape or an adhesive sheet may be provided.

  In this case, since both ends of the support rod 20 are in contact with and connected to the in-vehicle device 10 and the front mirror 2, even if the vibration of the vehicle is transmitted to the room mirror 1 and thus to the in-vehicle device 10, the support rod 20 is a tension rod. The large shaking of the in-vehicle device 10 can be suppressed.

  The support rod 20 is configured by connecting the first rod portion 20a and the second rod portion 20b. When the handle 22 is loosened, the first rod portion 20a and the second rod portion 20b can move in the axial direction. Thus, one of the rods enters the other and its total length can be changed, and the relative positional relationship between the rod portions 20a and 20b is fixed by tightening the handle 22 at an appropriate position. Therefore, in this embodiment, since the length of the support rod 20 can be adjusted, it can be applied to various vehicles. Note that such length adjustment is not necessarily performed. Further, the connecting position is not limited to the upper end of the in-vehicle device 10 and can be performed at an arbitrary position, and the number thereof is also arbitrary. Further, an impact absorbing damper such as a gas spring may be mounted between the rod portions 20a and 20b to absorb vibration. Furthermore, in the present embodiment, the front end side of the support rod 20 is fixed to the windshield 2 or the like, but the present invention is not necessarily fixed.

  In addition, the vibration suppressing member is not a relatively rigid member like such a support rod, but, for example, a wire with a spring is used, and one end of the wire is connected to the upper end of the vehicle-mounted device, and the other end of the wire May be supported by suspending the in-vehicle device by fixing it at a predetermined position above the windshield.

It is a figure which shows a prior art example. It is a figure showing a suitable 1st embodiment of in-vehicle equipment concerning the present invention. It is a figure which shows suitable 2nd Embodiment of the vehicle equipment which concerns on this invention. It is a figure which shows suitable 3rd Embodiment of the vehicle equipment which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Room mirror 2 Windshield 6 Mirror part 10 In-vehicle apparatus 11 Main body 12 Mirror part 13 Display part 14 Fixing clamp part 15 Balancer 16 Main body part 18 Auxiliary case 20 Support rod (bar-shaped member)

Claims (3)

It is an in-vehicle device that attaches to the standard mirror in the vehicle,
The room mirror has a mirror portion connected to the tip of an arm connected to the vehicle.
Mount the main body of the in-vehicle device on the front side of the mirror part,
A balancer separate from the main body,
The separate balancer is attached to the outer surface on the back side of the mirror part, and the position of the center of gravity of the room mirror with the in-vehicle device attached is brought closer to the connection part side of the mirror part at the tip of the arm, An in-vehicle device characterized in that vibration of the in-vehicle device due to vibration of the vehicle is suppressed . The in-vehicle device according to claim 1, wherein the balancer is fixed to an outer surface on the back side of the mirror portion using an adhesive member. The in-vehicle device according to claim 1, wherein the balancer is arranged on an outer surface on the back side of the mirror unit in a state of being linked to the main body using a connecting member.

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