JP2002074923A - On-vehicle audio - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an on-vehicle audio apparatus on which plural audio functions to enlarge display size and an after-fitted meter can be mounted without removing a part of the existing audio functions. SOLUTION: This on-vehicle audio apparatus is provided with an apparatus main body 11 which has a radio broadcast receiving part and audio reproducing parts 6-8 built-in and on which openings 14-16 are opened on the front part 11a for loading a recording medium, a front panel 12 assembled in the main body 11 for opening/closing the part 11a freely and an indicator 13 assembled on the panel 12 to have a display surface on the first main surface 12a which becomes a front side in a state that the part 11a is blocked. On the indicator 13, an audio output is displayed for displaying the state of an audio output or the like and the meter sensor outputs detected by meter sensors 3-5 installed in an engine room are also displayed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an in-vehicle audio apparatus having a display for displaying received information of a received broadcast and a reproduction state of a recording medium such as a disk or a tape cassette.

[0002]

2. Description of the Related Art An in-vehicle audio apparatus is generally incorporated in a console box, and has a function of receiving AM / FM radio broadcasts and television broadcasts and a function of reproducing a recording medium such as a sound tape or disk. The output is sent out to each speaker installed in the. Further, the in-vehicle audio device is provided with a display for displaying, for example, a reception frequency, a type of a sound source currently being output, or a musical tone number. The in-vehicle audio device is also provided with a display such as a large color liquid crystal display for dynamically displaying a reception state of a radio broadcast, a reproduction state of a recording medium, and the like.

In a motor vehicle, various devices are modularized and incorporated into a console box, and the size of one standard module is standardized as one din (DIN). Various devices are formed in multiples of 1 DIN.

[0004] In automobiles, for example, speedometers, tachometers,
Various meters such as a fuel gauge, a thermometer, and an odometer are installed on a console panel as standard specifications. Some automotive users make improvements to know more about the condition of the vehicle by installing various retrofit meters in addition to these standard meters. For example, for a turbocharger specification vehicle, a turbometer and a turbo timer are optionally added later. As retrofit meters, there are provided water temperature meters, oil temperature meters, exhaust thermometers, rotation speed meters, and the like, which provide detailed meter displays instead of existing water temperature and oil temperature meters which are level displays and warning light displays.

[0005]

In the on-vehicle audio apparatus, recording media to be reproduced are diversified, and tape cassettes, compact disks (CD) and mini disks (MD) of different sizes are also available. They are shared, each of which has a built-in playback mechanism, and each of which has a loading port on the front. In an in-vehicle audio device, a control unit becomes larger and the number of operation buttons increases as the number of functions increases. For in-vehicle audio equipment, tape cassette playback function and CD
There are many 1DIN specifications equipped with a playback function, and a 1DIN specification MD playback unit is installed in the console box as an option.

On the other hand, a multi-function type equipped with various functions such as an MD playback function in addition to a tape playback function and a CD playback function is also provided for an in-vehicle audio device. Such a multi-function in-vehicle audio device is generally configured to have a 2DIN specification since a large-sized display cannot be performed by providing a loading port for each recording medium, various operation buttons, and the like on a front portion thereof. Such a multifunctional in-vehicle audio device occupies a large amount of a limited console box.

[0007] When a user of an automobile intends to install the various optional meters described above in a console box having a capacity of 2 DIN, only an in-vehicle audio device of the 1 DIN specification can be installed, and for example, the MD playback unit is removed. I had to deal with it. Therefore, the user has to sacrifice enjoying the music and the like reproduced from a plurality of recording media.

[0008] In addition, when a vehicle user already has the above-mentioned 2DIN-specific in-vehicle audio device installed in the console box or gives priority to the enjoyment of playing sound from a plurality of recording media, the user of the car must use various option meters. I had to install it somewhere other than the console box. Various optional meters are installed at appropriate places in the vehicle via parts such as mounting stays, but it is extremely difficult to secure an easy-to-view installation place in a limited vehicle without obstructing driving. .

Therefore, according to the present invention, when retrofitting various optional meters in addition to the standard meters, for example, it is not necessary to perform an operation of removing a part of the existing audio function and attaching the retrofit meter, and a large-sized display is provided. It has been proposed for the purpose of providing an in-vehicle audio device that can be equipped with a plurality of audio functions and a retrofit meter.

[0010]

According to the present invention, there is provided an on-vehicle audio apparatus which has a built-in broadcast receiving section and a recording medium reproducing section, and has a front opening for loading a recording medium. An opened apparatus main body, a front panel assembled to the apparatus main body so that the front part can be opened and closed, and a first main unit which is the front side when the front part of the apparatus main body is closed by the front panel. And a display unit assembled so as to constitute a display surface on the surface. In the vehicle-mounted audio device, an output corresponding to detection by a predetermined meter sensor installed in the engine room is displayed on an indicator together with an audio output display for displaying an audio output state and the like.

According to the on-vehicle audio apparatus according to the present invention having the above-described configuration, a meter sensor such as a turbometer sensor is installed in an engine room to provide various meters such as a turbometer in addition to a standard meter. When retrofitting, a sensor wire is connected to the apparatus main body, and the detection output of each sensor is supplied to the apparatus main body. According to the in-vehicle audio apparatus, the control operation of the apparatus main body performs the audio output display for displaying the audio output state and the like on the display unit and the meter sensor output display based on the detection output by the meter sensor. Therefore, according to the on-vehicle audio device, the mounting operation of the meters to be retrofitted is not required, and the retrofit meter with the large display is installed together with the audio display in the console box which does not hinder the driving and is easy to see.

[0012]

Embodiments of the present invention will be described below in detail with reference to the drawings. The on-vehicle audio device 1 shown in the drawings as an embodiment has a size of 2DIN specification, and is installed in an installation portion of the console box 2 as shown in FIG. The in-vehicle audio device 1 sends outputs to left and right front speakers and left and right rear speakers (not shown) installed in the vehicle. The in-vehicle audio device 1 has a function of receiving AM / FM radio broadcast, television broadcast, FM text multiplex broadcast, traffic information, and the like.

The in-vehicle audio device 1 has a tape cassette, a CD and an MD reproducing function, and includes a tape reproducing mechanism, a CD reproducing mechanism, and an MD reproducing mechanism, although details are omitted. The MD playback mechanism may have a recording function as well as a playback function.

The in-vehicle audio device 1 is a large unit of 2DIN size, and is rotatably supported by a device main body 11 housed in a housing 10 and a front portion 11a of the device main body 11. Front panel 12 that opens and closes
And a large color liquid crystal display 13 incorporated in the front panel 12. Car audio system 1
Although not shown, a power cord is pulled out from the back of the housing 10 to be connected to the battery, and a connection line to each speaker and an antenna wire or a terminal portion to which various retrofit sensors 3 to 5 to be described later are connected. And console box 2
, Or a terminal for system up, etc. are provided.

The power supply of the vehicle audio system 1 is turned on by inserting an ignition key and turning the ignition key from an off position to a power-on mode position or a start position.
The in-vehicle audio device 1 includes a front panel 1 as described later.
The respective operations specified by operating the predetermined push buttons provided in 2 are performed. The in-vehicle audio device 1 is also provided with a remote controller (not shown), and by operating this remote controller, it is possible to perform an operation equivalent to a push button operation. The in-vehicle audio device 1 has the same basic operation as the conventional in-vehicle audio device.

As shown in FIG. 2, the apparatus main body 11 has a tape cassette loading port 14 in which a tape cassette is loaded in a front portion 11a thereof, an MD loading port 15 in which an MD is loaded, and a slightly large size in which a CD is loaded. A CD loading port 16 having a diameter is provided. Each of these loading ports 14 is provided in the apparatus main body 11.
The tape playback mechanism 6, the MD playback mechanism 7, and the CD playback mechanism 8 are provided in the inside corresponding to the tape reproduction mechanism 16 to 16 respectively. Each of the loading ports 14 to 1 is provided in the apparatus body 11.
Eject buttons 17 to 19 for ejecting a tape cassette, MD, or CD loaded inside and adjacent to 6 are provided on the front surface 11a.

The front panel 12 is not described in detail, but the lower and upper sides of both sides thereof are respectively supported by the side surfaces of the apparatus body 11 by hinge mechanisms, and are rotated by an electric opening / closing mechanism whose details are omitted. Front panel 1
Reference numeral 2 denotes a state where the vehicle-mounted audio device 1 is not powered on and the front portion 11a of the device main body 11 is closed. The front panel 12 is mounted on the in-vehicle audio device 1.
The power is turned on, and the electric opening / closing mechanism is driven by an opening operation using an operation button or a remote controller. As shown in FIG.
1 is rotated to open the front portion 11a. The assembling angle of the front panel 12 with respect to the apparatus main body 11 is appropriately adjusted via an upper hinge mechanism.

As shown in FIG. 3, a display 13 is mounted on the front panel 12 so as to occupy most of the central area of the front portion 12a. Various operation buttons such as a power button 20, a scan button 21, and a sound source switching button 22 are arranged on the front panel 12 so as to surround the display 13. The front panel 12 includes a display 13
Are arranged on a jog dial 23 for selecting a menu or a receiving broadcast station displayed on the screen, and a mode switching button 24 for switching a display screen mode or an output mode.

It should be noted that the front panel 12 has an
In order to enable various operations using the operation buttons even when the front part 11a is open, the operation buttons are arranged symmetrically on the back part 12b as shown in FIG. Although not described in detail, the front panel 12 is provided with a small display on the rear portion 12b side, and even in the open state, for example, the state of the setting mode is displayed so that identification is possible. .

The display 13 displays the reception state of AM broadcast, FM radio broadcast or television broadcast in an appropriate dynamic display form. The display 13 displays information received by FM teletext broadcasting. The display 13 displays the playback state of the tape, MD, or CD to be played back in an appropriate dynamic display form. Display 13
For example, as shown in FIG. 4, in the reproduction state of a CD, various kinds of information such as a reproduction sound, a reproduction level and a reproduction number are displayed on the entire screen.

In the on-vehicle audio apparatus 1, the display unit 13 changes the audio output state to 2DI.
By performing dynamic color display on an N-size large screen, the display effect is synergistic, and a sound of good sound quality is further enjoyed. Car audio system 1
Creates a good sound space in the room by the large screen of the display 13 and the operability of the jog dial 23 of the front panel 12.

The on-vehicle audio system 1 also has a display function of displaying a meter sensor output of a turbometer for a turbocharger, a water temperature meter, or an oil temperature meter, which is optionally added later as an option. That is, various types of meters such as a speedometer, a tachometer, a fuel gauge, a thermometer, and an odometer are installed on a console panel as standard specifications in an automobile, but various meters are provided as retrofit meters. For example, a turbocharged vehicle is provided with a turbometer and a turbo timer. A water thermometer and an oil thermometer are used instead of the standard specifications of the level display and the warning light display. In addition, as the retrofit meter, various other meters such as an exhaust gas thermometer and a tachometer may be provided, and a detection output corresponding to a predetermined meter sensor may be displayed. There may be.

Each of the above-mentioned retrofit meters has a retrofit sensor 3 to 3 provided at a predetermined position in the engine room.
The sensor output supplied from 5 is digitally displayed or analogly displayed. The turbometer displays a sensor output from a turbo sensor 3 installed between a surge tank and a fuel pressure regulator in an engine room, for example. The water temperature gauge displays a sensor output from a water temperature sensor 4 installed in, for example, an upper hose of a radiator. The oil temperature gauge displays an output from an oil temperature sensor 5 installed in a drain cock of the engine.

The on-vehicle audio apparatus 1 performs a screen switching operation from a state in which the above-described audio output state and the like are displayed on the display unit 13, so that each of the retrofit sensors 3.
5 is also used as a display for displaying the meter sensor output. That is, in the in-vehicle audio device 1, the display screen of the display 13 is divided into a lower audio output display area 13a and an upper sensor output display area 13b as shown in FIG. Will be The audio output display area 13a and the sensor output display area 13b may be turned upside down or divided into left and right.

The on-vehicle audio apparatus 1 operates, for example, by operating the mode switching button 24 to switch the screen display.
In the audio output display area 13a, for example, information displayed on the entire surface shown in FIG. 4 is compressed and displayed, or a selected part is displayed. The in-vehicle audio device 1 may be configured such that, for example, by operating the jog dial 23, the audio output state is displayed in a floating manner. Note that FIG. 3 shows a state in which only the level of the reproduction output is displayed in the audio output display area 13a.

In the on-vehicle audio apparatus 1, for example, a turbometer 25 and a water temperature meter 26 are provided in the divided sensor output display area 13b of the display 13 as shown in FIG.
And the meter design with the oil temperature gauge 27 is displayed.
The in-vehicle audio device 1 receives the sensor output from each of the retrofit sensors 3 to 5 so that each meter symbol 25
27 to 27a are operated to display the status. In addition, the on-vehicle audio device 1 displays each of the meter patterns 25 to 27 as an analog meter, but may display it as a digital meter as shown in FIG. 5, for example.

In the on-vehicle audio apparatus 1, the display screen of the display unit 13 is divided into an audio output display area 13a and a sensor output display area 13b, and the respective displays are performed so that a large and powerful audio is displayed. The output display effect is somewhat impaired. However, the in-vehicle audio device 1 can also be provided with a retrofit meter without sacrificing the reproduction function of a plurality of different recording media such as a tape, an MD, or a CD.

The in-vehicle audio system 1 is troublesome using components such as mounting stays by the work of mounting the respective retrofitted sensors 3 to 5 in the engine room and the work of connecting the sensor wires of the retrofitted sensors 3 to 5. This makes it possible to install the retrofit meters 25 to 27 in the console box 2 without the necessity of attaching a retrofit meter body.
Therefore, the in-vehicle audio device 1 installs the retrofit meters 25 to 27 in the vehicle without obstructing driving, and is easy to see and does not impair the beauty of the vehicle.

As shown in FIG. 6, the control operation of the above-mentioned display switching is performed by the control CPU 28 provided in the main body 11 of the vehicle-mounted audio apparatus 1. The control CPU 28 is in charge of not only display switching control operations but also operation control of the entire on-vehicle audio device, but details thereof will be omitted. In the in-vehicle audio device 1, input signals from the operation buttons and the remote controller are supplied to the control CPU 28 via the operation button input unit 29. In the in-vehicle audio device 1, sensor outputs from the retrofit sensors 3 to 5 installed in the engine room are supplied to the control CPU 28 via the sensor input unit 30.

In the in-vehicle audio apparatus 1, a control signal is transmitted from the control CPU 28 to the display control section 31 in accordance with the display mode selected by the mode switching button 24 or the jog dial 23, and the display screen of the display 13 is switched. To be done. The in-vehicle audio device 1
, The sound source switching button 22 and the jog dial 23
Is supplied to the control CPU 28, and a control signal is sent from the control CPU 28 to the mechanism control unit 32. In the in-vehicle audio device 1,
The playback mechanisms 6 to 8 are selected by the mechanism control unit 32, and the loaded recording medium is played back.

[0031]

As described in detail above, according to the on-vehicle audio system according to the present invention, it is retrofitted in addition to the standard meter in the console box installed in a position that is not obstructive to driving and is easily viewed. By installing various meters, it is possible to easily and easily install components such as a trouble of securing an installation space in a limited vehicle and components such as mounting stays. According to the in-vehicle audio device, the operation of removing a part of the existing audio function is not required, so that the reproduction function of a plurality of recording media is retained and the audio output display is effectively performed without impairment, In addition, various meters to be retrofitted also have a large and easy-to-read meter sensor output display.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a main part of a console of an automobile equipped with an in-vehicle audio device according to the present invention.

FIG. 2 is a perspective view of a main part of the in-vehicle audio device in a state where a front panel is opened.

FIG. 3 is a front view of the on-vehicle audio device.

FIG. 4 is a front view of the on-vehicle audio device, showing a state in which only audio output display is performed.

FIG. 5 is a front view of the on-vehicle audio device, showing a state in which a meter sensor output display is digitally displayed.

FIG. 6 is a block diagram of a main part configuration of the on-vehicle audio device.

[Explanation of symbols]

1 in-vehicle audio device, 2 console box, 3
5 Various sensors, 6 tape playback mechanism, 7 MD playback mechanism, 8 CD playback mechanism, 10 housing, 11 device body, 1
2 Front panel, 12a Front part, 13 Indicator, 13
a audio output display area, 13b meter sensor output display area, 14 tape cassette loading slot, 15 MD
Loading port, 16 CD loading port, 25 Turbo meter, 26
Water temperature gauge, 27 Oil temperature gauge, 28 Control CPU, 29
Operation button input unit, 30 sensor input unit, 31 display control unit

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B60R 11/02 B60R 11/02 C

Claims (5)

[Claims] 1. A device main body having a built-in broadcast receiving unit and a recording medium reproducing unit, an opening in the front of which a loading port for loading the recording medium is opened, and an opening and closing operation of the front unit. A front panel assembled to the device main body; and a display surface formed on a first main surface on a front side in a state where a front portion of the device main body is closed, on the front panel. A display device, the display device has an audio output display for displaying an audio output state and the like, and a meter sensor output display for performing display in accordance with detection by a predetermined meter sensor installed in the engine room. An in-vehicle audio device characterized by being performed. 2. A reproducing unit for reproducing at least two types of recording media in the apparatus main body, and at least two recording media mounted on the front surface.
The in-vehicle audio device according to claim 1, wherein the loading ports are opened. 3. The on-vehicle audio device according to claim 1, wherein the audio device has a two-din (DIN) size. 4. The in-vehicle audio device according to claim 1, wherein the meter sensor output display is performed on an area formed by partially displaying the audio output display on the display. . 5. The in-vehicle audio device according to claim 1, wherein the in-vehicle audio device is mounted on a console box of an automobile.