JP2013091342A - In-vehicle acoustic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a user-friendly in-vehicle acoustic device which can prevent a contact failure or damage of a connector.SOLUTION: An in-vehicle audio device reproduces music data and performs an acoustic output by connecting a USB memory in which the music data are stored to a USB connector 16 formed at the front panel of a body 40. The in-vehicle audio device includes a reel 50 is adapted to withdraw the USB connector 16 from the front panel. The reel feeds out a cable 44 connected to the USB connector 16 while reeling the cable 44 which has been fed out according to a specific operation depending on the operation of feeding out and reeling the USB connector 16.

Description

  The present invention relates to an in-vehicle audio apparatus that performs reproduction control of music data stored in an external storage medium.

  Generally, a USB (Universal Serial Bus) connection type flash memory (hereinafter referred to as a USB memory) is used as an external storage medium so that it can be connected to a USB connector formed on the front panel of the main body, and music recorded in the USB memory. A vehicle-mounted acoustic device that reproduces data and outputs a sound is known (see, for example, Patent Document 1).

JP 2008-171517 A

However, when the USB memory is directly connected to the USB connector, the USB memory protrudes from the front panel. Therefore, the user's hand touches the USB memory during operation of the on-vehicle acoustic device, or the vibration of the vehicle There was concern about poor contact or damage to the USB connector.
For this reason, in the conventional configuration, it is recommended to use an extension cable connected to the USB connector. However, each time the user uses the extension cable, the user may feel troublesome to connect the extension cable. . In addition, when the USB memory is not used, if the extension cable is left connected, there is a problem that it looks bad.
Therefore, the present invention has been made to solve the above problems, and an object of the present invention is to provide an in-vehicle acoustic device that can be used easily by a user and can prevent contact failure and damage of a connector. .

  In order to achieve the above object, the present invention connects an external storage medium storing music data to a connector formed on the front panel of the main body, and reproduces the music data recorded on the external storage medium. In the in-vehicle audio device that performs acoustic output, the connector portion is configured to be able to be pulled out from the front panel, and a cable connected to the connector portion is sent according to the pulling operation of the connector portion, while a predetermined operation is added. And a cable take-up means for rewinding the cable that has been sent in response thereto.

  In this configuration, a housing portion that houses the connector portion may be provided on the front panel. The accommodating portion includes an urging means that urges the connector portion to protrude outward, and a cover body that covers the opening of the accommodating portion so as to be openable and closable and holds the connector portion. You may prepare.

  According to the present invention, the connector portion is configured to be drawable from the front panel, and the cable connected to the connector portion is sent out in response to the pulling-out operation of the connector portion. Since the cable winding means for rewinding the cable that has been used is provided, the cable can be pulled out together with the connector portion at the time of use, and the user can use it easily. In addition, since the external storage medium is connected at the position where the cable is extended, contact failure and breakage of the connector portion can be prevented. Further, after use, the cable is wound around the cable winding means and accommodated in the main body, so that the appearance of the appearance is improved.

It is a figure which shows the functional structure of a vehicle-mounted audio apparatus. It is an external appearance perspective view of a vehicle-mounted audio apparatus. It is a figure which shows the cable winding mechanism of a vehicle-mounted audio apparatus. It is sectional drawing of the connector accommodating part which shows the state which the cover closed. It is sectional drawing of the connector accommodating part which shows the state which opened the cover.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
The in-vehicle audio device (in-vehicle audio device) according to the present embodiment is a device provided in a vehicle interior of a vehicle such as an automobile, and is recorded on a recording medium such as an optical disk such as a CD or a DVD or a semiconductor memory such as a USB memory. The recorded music data is played back and the sound is output to the passenger compartment.

FIG. 1 is a diagram illustrating a functional configuration of the in-vehicle audio device 1.
As shown in FIG. 1, the in-vehicle audio apparatus 1 includes a microcomputer 3, an optical disk reading unit 5, a USB memory reading unit 7, an audio DSP 9, an operation unit 11, and a display unit 13. The microcomputer 3 centrally controls each unit, and includes, for example, a CPU, a ROM, a RAM, and the like. The optical disk reading unit 5 reads music (music) data recorded on an optical disk 15 such as a CD or a DVD and outputs it to the microcomputer 3.
The USB memory reading unit 7 reads music (music) data recorded in a USB memory (external storage medium) 17 connected to a USB connector (connector unit) 16 and outputs it to the microcomputer 3. The USB memory 17 stores music data compressed in a predetermined compression format such as MP3, WMA, AAC, ATRAC, OGG, for example.
Of course, instead of the USB memory 17, a portable music playback device may be connected to the USB connector 16, and the music data recorded in the portable music playback device may be read by the USB memory reading unit 7. It is.

  The microcomputer 3 outputs a digital audio signal of music data input from the optical disk reading unit 5 or the USB memory reading unit 7 to the audio DSP 9. If the music data is encoded with a predetermined codec, it is decoded and a digital audio signal is output to the audio DSP 9. The audio DSP 9 gives various audio effects such as eco-rise to the digital audio signal and outputs the digital audio signal to the amplifier device 19. The amplifier device 19 includes a D / A converter that converts a digital audio signal into an analog audio signal, and an amplifier (both not shown) that amplifies the analog audio signal. The analog audio signal is supplied to a speaker device 21 provided in the vehicle. Output.

The operation unit 11 includes an operation button 27 that is operated by a pressing operation, an operation knob 29 that is operated by a rotation operation, and a detection circuit (not shown) that outputs each operation detection signal. A detection signal is output to the microcomputer 3.
The display unit 13 includes a display device 31 such as an LCD (Liquid Crystal Display) or an EL (Electro Luminescent) display, and displays various types of information under the control of the microcomputer 3.
In this embodiment, the microcomputer 3, the USB memory reading unit 7, and the audio DSP 9 are mounted on the main substrate 23, and the optical disc reading unit 5, the operation unit 11, the display unit 13, the optical disc reading unit 5, and the USB connector are mounted on the main substrate 23. 16 and the amplifier device 19 are connected to each other.

FIG. 2 is an external perspective view of the in-vehicle audio device 1.
As shown in FIG. 2, the in-vehicle audio device 1 includes a main body 40 and a front panel 41 provided on the front surface of the main body 40. An optical disk insertion slot 42 is provided in the upper part of the front panel 41 along the width direction, and the optical disk reading unit 5 is disposed on the back side of the optical disk insertion slot 42.
A display device 31 extending in the width direction and an operation knob 29 for performing volume operation and the like are provided below the optical disc insertion slot 42, and a plurality of operation buttons 27, 27 are provided along the edge around the front panel 41. Has been placed.

In the present embodiment, the front panel 41 is formed with a connector housing portion 43 in which the USB connector 16 is housed in the lower right corner in the figure along with the operation buttons 27, 27. The connector 16 can be pulled out together with the cable 44.
Specifically, as shown in FIG. 3, a reel (cable winding means) 50 capable of winding the cable 44 is provided in the main body 40. The main body 40 is provided with a main board 23 disposed on the bottom surface portion 40A and a support plate 45 spanning from the bottom surface portion 40A to above the main substrate 23, and the reel 50 is rotatably supported on the support plate 45. Has been.

The reel 50 includes a pair of opposing flanges 50A and 50A and a rotating shaft 50B that winds the cable 44 between the flanges 50A and 50A. The rotating shaft 50B is formed by a spring member (not shown) such as a spring, for example. The cable 44 is urged in the rotating direction. That is, when the USB connector 16 and the cable 44 are pulled out, the rotating shaft 50B of the reel 50 rotates and the spring member is wound. At this time, even if the USB connector 16 is loosened, the rotation of the reel 50 is prevented by a stopper claw (not shown) provided between the lower flange 50 </ b> A and the support plate 45, so that the cable 44 is placed in the main body 40. It is not pulled in and is held as it is.
As a result, the USB memory 17 can be connected to the USB connector 16 with the cable 44 pulled out to an appropriate length, so that the user can use the USB memory 17 directly compared to the conventional connector. The hand can touch the USB memory 17 and the transmission of vibrations of the vehicle can be suppressed, and contact failure and breakage of the USB connector can be prevented.
Furthermore, in this configuration, since the USB memory is not mounted protruding from the front panel 41, the driver or the occupant touches the protruding USB memory even if the vehicle has an accident. Therefore, safety can be improved.

  On the other hand, when the stopper claw is released by operating an appropriate operation means such as a release button, the reel 50 is free to rotate, and the reel 50 rotates in the direction of winding the cable 44 by the biasing force of the spring member. To do. Thereby, when the USB connector 16 is not used, the cable 44 is wound up and the USB connector 16 is accommodated in the connector accommodating portion 43, so that the extra cable is not exposed and the appearance is improved. To do.

Next, the connector housing part 43 will be described.
FIG. 4 is a cross-sectional view of the connector housing portion showing a state where the cover member is closed, and FIG. 5 is a cross-sectional view of the connector housing portion showing a state where the cover member is opened.
As shown in FIG. 4, the connector housing portion 43 is formed in a bottomed rectangular tube shape having an opening 43A formed on the front panel 41 side, and the cable 44 passes through the wall portion 43B opposite to the opening 43A. A cable hole 43C is formed.
The connector housing portion 43 includes a spring member (biasing means) 52 that is urged so as to project the USB connector 16 outwardly from the wall portion 43B, and a cover member (cover body) that slides to open and close the opening 43A. ) 53 is arranged. The cover member 53 has a function of holding the accommodated state when the USB connector 16 is accommodated in the connector accommodating portion 43 against the urging force of the spring member 52.
The cover member 53 has a guide pin 53A and an operation claw 53B at its upper end, and when the operation claw 53B is pushed up or down, a guide groove (not shown) in which the cover member 53 is formed in the front panel 41 is formed. And slides upward or downward. As shown in FIG. 5, a gap portion 54 into which the cover member 53 enters when the cover member 53 is opened is formed between the lower portion of the connector housing portion 43 and the front panel 41.

  In this embodiment, as shown in FIGS. 4 and 5, the USB connector 16 includes rib portions 16 </ b> A and 16 </ b> A at the top and bottom of the tip, respectively. The rib portions 16A and 16A are formed in such a size as to abut on the step portions 43D and 43D whose diameter is increased in the vertical direction on the opening 43A side of the connector housing portion 43, and the USB connector 16 is located behind the step portions 43D and 43D. To prevent being pushed in.

Next, the operation will be described.
As shown in FIG. 4, when the operation claw 53B of the cover member 53 is pushed downward with the cover member 53 closed, the cover member 53 causes the guide pin 53A to slide down along the guide groove. The opening 43A of the connector housing 43 is opened.
Since the USB connector 16 is urged outward by the spring member 52, the USB connector 16 is pushed out of the connector housing portion 43 and protrudes from the front panel 41 as shown in FIG. . Thereby, the protruding USB connector 16 can be easily pulled out.

  On the other hand, when the reel 50 winds up the cable 44, the USB connector 16 is pushed into the connector housing portion 43 against the urging force of the spring member 52, and the operation claw 53B of the cover member 53 is moved upward. The cover member 53 is closed by pushing up. According to this, since the USB connector 16 is held in the connector housing portion 43 by the cover member 53 and the connector housing portion 43 is covered, the appearance of the appearance is improved.

  As described above, according to the present embodiment, the USB memory 17 storing the music data is connected to the USB connector 16 formed on the front panel 41 of the main body 40 to reproduce the music data and perform sound output. In the apparatus 1, the USB connector 16 is configured to be able to be pulled out from the front panel 41, and the cable 44 connected to the USB connector 16 is sent out in response to the pulling-out operation of the USB connector 16, while responding to a predetermined operation. Since the reel 50 for rewinding the cable 44 that has been sent out is provided, when the USB connector 16 is used, the cable 44 may be pulled out together with the USB connector 16, and the user can use it easily. In addition, since the USB memory 17 is connected at the position where the cable 44 is extended, contact failure and breakage of the USB connector 16 can be prevented. Furthermore, after use, the cable 44 is wound around the reel 50 and accommodated in the main body 40, so that the appearance of the appearance is improved.

  In addition, according to the present embodiment, since the connector housing portion 43 that houses the USB connector 16 is provided on the front panel 41, the USB connector 16 does not protrude from the front panel 41 when the cable 44 is wound. Since it can accommodate in the part 43, the appearance of an external appearance improves.

  Further, according to the present embodiment, the connector housing portion 43 covers the spring member 52 that urges the USB connector 16 to protrude outward and the opening 43A of the connector housing portion 43 so as to be openable and closable. Since the cover member 53 that holds the housing 16 in the accommodated state is provided, the USB connector 16 can be pushed out of the connector housing portion 43 and the USB connector 16 can be easily pulled out simply by opening the cover member 53. Furthermore, since the cover member 53 holds the USB connector 16 in a state in which it is accommodated in the connector accommodating portion 43, the mechanism for retaining can be easily configured.

  The above embodiment is an aspect of the present invention, and it is needless to say that the embodiment can be appropriately changed without departing from the gist of the present invention. For example, in this embodiment, the connector housing portion 43 is formed at the lower right corner of the front panel 41, but may be formed at any position as long as it is formed on the front panel 41. .

1 In-vehicle audio system (in-vehicle audio system)
16 USB connector (connector part)
17 USB memory (external storage medium)
23 Main board 40 Main body 41 Front panel 43 Connector housing (housing)
43A Opening 43B Wall 43C Cable hole 43D Step 44 Cable 45 Support plate 50 Reel (Cable winding means)
50A Flange 50B Rotating shaft 52 Spring member (biasing means)
53 Cover member (cover body)
53A Guide pin 53B Operation claw 54 Gap

Claims (3)

In an in-vehicle audio device that connects an external storage medium storing music data to a connector formed on the front panel of the main body, reproduces the music data recorded on the external storage medium, and outputs sound,
The connector portion is configured to be drawable from the front panel, and a cable connected to the connector portion is sent in response to a pulling operation of the connector portion, while a predetermined operation is sent in response thereto A vehicle-mounted acoustic device comprising cable winding means for rewinding the cable.   The in-vehicle acoustic device according to claim 1, wherein an accommodation portion that accommodates the connector portion is provided in the front panel.   The accommodating portion includes an urging unit that urges the connector portion to protrude outward, and a cover body that covers the opening of the accommodating portion so as to be openable and closable and holds the connector portion. The on-vehicle acoustic device according to claim 2.

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