JP4249211B2 - Automotive control module - Google Patents

Description

  The present invention relates to an in-vehicle control module that is installed in a vehicle interior and has, for example, a driver seat and a passenger seat microphone, light, and various switches arranged on a panel.

  As mobile communication using cellular phones becomes more common, opportunities for vehicle drivers to make calls while traveling are increasing. In particular, a hands-free microphone and a speaker are used for a communication device used in a vehicle so that the driver's driving operation is not hindered in consideration of safety. This hands-free microphone is equipped with a room lamp that is separated from the dashboard, for example, on the ceiling surface inside the vehicle, between the driver's seat and the front passenger seat, so as not to pick up vibration noise while driving, noise generated by air conditioners. And an in-vehicle control module such as an overhead module provided with a roof opening / closing switch.

  However, the conventional hands-free microphone has a problem that the microphone picks up ambient noise that enters from behind the panel, such as external noise and vehicle vibration noise. With respect to this problem, in Patent Document 1, a microphone is provided inside the overhead module, and the outside of the microphone is covered with an anti-vibration / sound-proofing member, thereby reducing ambient noise from entering the microphone case housing the microphone. is doing.

  Furthermore, Patent Document 2 discloses a technique for mainly picking up the voices of drivers and passengers (hereinafter referred to as passengers) by using soundproof members having directivity.

  Furthermore, in recent years, with the advancement of voice recognition technology, as voice and car navigation settings can be operated by voice, voice input with higher quality than before has been desired.

JP 2003-54325 A Japanese Patent Laid-Open No. 2003-11736

  The directional microphone has the characteristic that the sensitivity to sound increases or decreases depending on the direction. By using the direction with high sensitivity toward the sound source, it is possible to input unwanted sound (noise) and input high-quality sound. It is possible to do.

  However, the microphone described in Patent Document 1 or 2 is required to be disposed in the traveling direction or the lateral direction due to the problem of mounting space and design restrictions. Since the mouths do not match, it is difficult to further increase the S / N ratio of the microphone.

  In addition, when installing microphones in a vehicle, if microphones with different characteristics are prepared separately for the driver side and the passenger side, two or more types of microphone assemblies are required per vehicle, which increases costs. there were.

  SUMMARY OF THE INVENTION An object of the present invention is to provide an in-vehicle control module that can easily attach a directional component having directivity with a simple structure without changing the design of the in-vehicle control module. It is to be.

  In order to solve the above-described problems, a vehicle-mounted control module according to the present invention includes a component case incorporating a directional component having directivity, and a vehicle-side panel on which the component case is disposed. In the control module, the component case supports a holder that holds the directional component in a freely rotatable manner. The holder is connected to a guide bar extending outside the component case, and the panel receives the component case. And a guide portion that is provided in the receiving portion and guides the guide rod of the component case. When the component case is inserted into the receiving portion, the guide rod is guided by the guide portion and directivity is generated inside the component case. The component is positioned in a predetermined direction.

  Further, an in-vehicle control module according to the present invention is an in-vehicle control module including a microphone case incorporating a directional microphone element, and a panel in which the microphone case is disposed on the driver side and the passenger side, respectively. The microphone case supports a microphone holder that rotatably holds the microphone element and holds the sound collecting surface of the microphone element at a predetermined angle with respect to the panel. A guide rod extending in the direction is connected, and the panel has a receiving portion for receiving the microphone case, and a guide portion provided in the receiving portion for guiding the guide rod of the microphone case, and when the microphone case is inserted into the receiving portion The guide rod is guided by the guide part, and the microphone element is positioned in a predetermined direction inside the microphone case. And characterized in that it is decided.

  Furthermore, an in-vehicle control module according to the present invention is an in-vehicle control module including a light case incorporating a directional spotlight, and a panel in which the light case is disposed on each of a driver seat and a passenger seat. The light case supports a light holder that rotatably holds the spotlight, and the light holder is connected to a guide bar that extends to the outside of the light case, and the panel includes a receiving portion that receives the light case, A guide projection provided on the receiving portion and contacting the guide rod of the light case. When the light case is inserted into the receiving portion, the guide rod is guided by the guide projection, and the spotlight is determined in advance inside the light case. It is characterized by being positioned in a specified direction.

  Furthermore, the in-vehicle control module according to the present invention is an overhead module in which at least one of a microphone case, a light case, and various in-vehicle devices is disposed on a panel and is provided on a ceiling surface in a vehicle. To do.

  By using the present invention, the sound collection surface of the microphone or the microphone element can be positioned in the direction with the best directivity, and the S / N ratio of the microphone can be increased. In addition, there is an effect that costs can be reduced by sharing microphones without installing different microphones on the driver's seat side and the passenger seat side. Furthermore, the present invention can also be applied to attachment of directional components having directivity such as microphones and lights.

  Hereinafter, embodiments of the present invention (hereinafter referred to as embodiments) will be described with reference to the drawings.

Embodiment 1

  FIG. 6 shows an example of an in-vehicle control module provided on the ceiling between the driver seat and the passenger seat. The in-vehicle control module provided on the ceiling in the vehicle is generally called the overhead module 60 because it is arranged above the passenger's head.

  The overhead module 60 shown in the figure includes, for example, an openable accessory case 68, a microphone 61 incorporating a directional microphone element and a directional component such as a spotlight, a spotlight 62, a light switch 66, and the like. Panels 65 are provided on the driver seat side and the passenger seat side, respectively. Next, the microphone assembly 10 that is a component will be described.

  FIG. 1 shows a microphone assembly 10 and a receiving portion 42 for receiving the microphone assembly 10 provided on the back surface of the panel 40 of the in-vehicle control module. The panel 40 is provided with a slit so that sound can pass through, and the receiving portion 42 is provided with a microphone case locking groove 44 for the microphone case 24 and a guide groove 46.

  The microphone assembly 10 includes a microphone case 24 that houses the microphone element 20 and an amplifier case 32 that houses an amplifier (not shown). The amplifier case 32 includes a spacer portion 36 for connecting to the microphone case 24 and a cable 34, and is coupled by a locking claw provided in the spacer portion 36 and a locking groove of the microphone case 24 (not shown). ).

  Inside the microphone case 24, a soundproof member 25, a microphone element 20, an element cover 21, and a retainer 22 are housed in close contact with the back surface of the panel to prevent noise from entering from the back side of the panel. Further, a guide rod 26 is connected to the shaft of the retainer 22.

  FIG. 2 is an exploded perspective view of the microphone case 24. The structure of the microphone case 24 is shown using FIG. First, the microphone element 20 is housed in an element cover 21 for vibration and sound insulation, and the element cover 21 is held by a retainer 22. Next, the shaft of the retainer 22 is inserted into a bearing portion of the microphone case 24 and is connected to a guide rod 26 extending in the outward direction of the microphone case 24. On the upper surface of the microphone case 24, an amplifier case locking groove 28 and a spacer abutting portion 23 for receiving a locking claw of the spacer portion 36 of the amplifier case 32 are provided.

  Further, a microphone case locking claw 27 is provided on the side surface of the microphone case 24, and the amplifier case 32 is coupled on the microphone case 24 to prevent the guide bar from falling off.

  FIG. 3 shows a front view (a) of the microphone case, a sectional view (b) in the longitudinal direction of the microphone case, and a sectional view (c) viewed from the sound collecting surface of the microphone element. The structure of the microphone case 24 is shown using FIG. In the cross-sectional view (b) in the longitudinal direction of the microphone case, it is shown that the microphone element is disposed close to the sound collection direction A, and the soundproof member 25 is disposed in a rectangular shape toward the opening of the microphone case. . A cross-sectional view (c) viewed from the microphone element sound collection surface shows a guide rod 26 connected to the microphone element 20, element cover 21, and retainer 22. The soundproof member 25 has a semicircular cross section in accordance with the arch shape of the retainer 22.

  Thus, in the vehicle-mounted control module according to the present embodiment, characteristic microphone elements are provided on both sides facing away from the sound collection surface for converting sound into an electrical signal. In addition, the microphone holder has the sound collecting surface of the microphone element perpendicular to the longitudinal direction of the microphone case, and the microphone case supports the microphone holder rotatably and is shifted from the center in the longitudinal direction of the microphone case to one side. The position on the one sound collection surface side of the microphone element inside the microphone case is made smaller than the space on the other sound collection surface side, with this position as the center position of the microphone element. Thus, the voice of the driver or passenger is mainly picked up without picking up surrounding sounds by the soundproof member provided inside the microphone case.

  FIG. 4 is a top view (a) of the microphone case, a front view (b) of the microphone case, and a bottom view (c) of the microphone case viewed from the opening side. FIG. 4 shows the movement of the guide rod 26 and the movement of the sound collection surface of the microphone element 20 when the microphone case 24 is attached to the receiving portion 42 of the panel 40.

  On the side surface of the receiving portion 42, two guide grooves (46a, 46b) are provided at positions shifted by a predetermined angle, and have a notch for guiding the guide groove 46. The guide rod 26 slides along the slope of the notch of the guide groove 46 and fits into the guide groove. Thus, the guide rod 26 is rotated by the guide groove 46 and the positioning shown in FIG. When the positioning is performed, the sound collection surface of the microphone element 20 is directed in the direction C of the occupant's mouth as shown in (c). Thereby, the directivity of the microphone can be effectively utilized.

Embodiment 2

  FIG. 5 shows an exploded perspective view of the light assembly 50. A second embodiment will be described with reference to FIG. The LED unit 52 is a spotlight using a high-intensity LED, and includes a rotary bearing 53 and a guide bar 54 extending in the outward direction of the LED unit 52. The light case 56 is provided with a rotating shaft 57 that rotatably holds the LED unit 52 and a locking claw 58 that is attached to the receiving portion 70 of the panel.

  When the light assembly 50 incorporating the LED unit 52 is mounted on the receiving portion 70, the LED unit 52 is positioned at a predetermined angle by the angle-adjusting guide protrusions 63 and 64. Thereby, the LED unit 52 functions as a spotlight that illuminates the driver seat or the passenger seat.

  In addition, the mounting position of the LED unit can be changed by raising or lowering both of the angle adjustment guide protrusions 63 and 64, so that not only angle adjustment but also three-dimensional adjustment is possible. is there.

  In this embodiment, the shape of the guide rod is a simple rod structure. However, the structure is somewhat complicated, but may be an elliptical shape, a rack and pinion, or other shapes that are not easily affected by vibration or aging. .

As described above, in the microphone assembly and the light assembly according to this embodiment,
The microphone and the light can be positioned in the direction having the best directivity, and the S / N ratio of the microphone can be increased and the optical axis of the light can be set with a simple structure. This makes it possible to use the space more effectively than rotating the assembly itself.

  In addition, there is an effect that costs can be reduced by sharing microphones and lights with different directivities without installing microphones and lights with different directivities on the driver's seat side and the passenger seat side.

  In this embodiment, a microphone and a light are used. However, an optical sensor, a human body detection sensor, or the like that requires directivity may be used, and the present invention is not limited to the microphone or the light.

It is a perspective view of the receiving part which receives the microphone assembly and microphone assembly which concern on the 1st Embodiment of this invention. It is a disassembled perspective view of the microphone case which concerns on the 1st Embodiment of this invention. It is the front view (a) of a microphone case, sectional drawing (b) of a microphone case longitudinal direction, and sectional drawing (c) seen from the microphone element sound-collecting surface. It is explanatory drawing which showed the movement of the guide rod when a microphone assembly was mounted | worn to a receiving part, and the movement of the sound collection surface of a microphone element. It is a disassembled perspective view of the light assembly which concerns on the 2nd Embodiment of this invention. It is a perspective view of an overhead module to which a microphone assembly and a light assembly according to the present invention are attached.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 Microphone assembly, 20 Microphone element, 21 Element cover, 22 Retainer, 23 Spacer contact part, 24 Microphone case, 25 Soundproof member, 26,54 Guide rod, 27 Microphone case latching claw, 28 Amplifier case latching groove, 32 Amplifier case, 34 Cable, 36 Spacer part, 40 Panel, 42, 70 Receiving part, 46 Guide groove, 50 Light assembly, 52 LED unit, 53 Rotating bearing, 56 Light case, 57 Rotating shaft, 58 Locking claw, 60 Overhead Module, 61 microphone, 62 spotlight, 63, 64 guide protrusion, 65 panel, 66 light switch, 68 accessory case.

Claims (4)

In a vehicle-mounted control module including a component case incorporating a directional component having directivity and a vehicle body side panel on which the component case is arranged,
The component case supports a holder that holds the directional component in a freely rotatable manner.
A guide bar extending outside the component case is connected to the holder,
Panel is
A receiving part for receiving the parts case;
A guide portion provided in the receiving portion for guiding the guide rod of the component case;
Have
A vehicle-mounted control module characterized in that when a component case is inserted into a receiving portion, a guide rod is guided by a guide portion, and a directional component is positioned in a predetermined direction inside the component case. In a vehicle control module including a microphone case incorporating a microphone element having directivity, and a panel in which a microphone case is disposed on each of a driver seat and a passenger seat,
The microphone case supports a microphone holder that holds the microphone element rotatably and holds the sound collection surface of the microphone element at a predetermined angle with the panel,
A guide bar extending outside the microphone case is connected to the microphone holder,
Panel is
A receiving part for receiving the microphone case;
A guide part provided in the receiving part for guiding the guide rod of the microphone case;
Have
A vehicle-mounted control module, wherein when a microphone case is inserted into a receiving portion, a guide rod is guided by the guide portion, and the microphone element is positioned in a predetermined direction inside the microphone case. In an in-vehicle control module including a light case incorporating a directional spotlight, and a panel in which a light case is disposed on each of a driver seat and a passenger seat,
The light case supports a light holder that holds the spotlight in a freely rotatable manner,
A guide rod extending outside the light case is connected to the light holder,
Panel is
A receiving part for receiving the light case;
A guide protrusion provided in the receiving portion and contacting the guide rod of the light case;
Have
A vehicle-mounted control module characterized in that when a light case is inserted into a receiving portion, a guide rod is guided by a guide projection, and a spotlight is positioned in a predetermined direction inside the light case. The in-vehicle control module according to any one of claims 1 to 3,
An on-vehicle control module, characterized in that at least one of a microphone case, a light case, and various on-vehicle devices is an overhead module disposed on a panel and provided on a ceiling surface in a vehicle.

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