JPH084795Y2 - Truck vehicle stereo equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a stereo device for a truck vehicle.

[Conventional technology]

Recently, many vehicles are equipped with a stereo device (car stereo device) as one of means for improving comfort in a vehicle interior. Then, particularly in a truck vehicle having a nap bed, speakers are arranged on the left and right of the dashboard or the left and right of the panel above the windshield, and the left and right of the ceiling panel of the bed space of the nap bed, respectively. Speakers located to the left and right with respect to the direction of travel of the vehicle emit different sounds to give the driver a sense of stereo.

[Problems to be solved by the device]

Therefore, in the conventional stereo device, when the driver is seated in the driver's seat facing the vehicle traveling direction, stereoscopic sound is formed by the speakers arranged on the left and right sides of the dashboard and the bed space. However, when the driver lays on the nap bed for a break, stereoscopic sound is composed by the head and foot side speakers of the driver, so there is a problem that stereo feeling is not obtained. It was

Further, Japanese Utility Model Laid-Open No. 63-163093 discloses that in a vehicle type in which a shelf is formed between the lower rear part of the truck seat and the back panel of the vehicle body, a speaker of an audio device is attached upward to this shelf. Although a speaker mounting structure is disclosed, even with such a device, there is a problem that a stereo feeling cannot be obtained when a driver or the like lies on a nap bed during a break.

Furthermore, in Japanese Utility Model Publication No. 63-183795, speakers are installed at each of the four corners of the front, rear, left, and right of a passenger car such as a luxury car, and the rotating seats located behind the driver's seat and the front passenger side face forward. In this case, the speaker arranged on the right side of the vehicle outputs the signal for the right channel and the speaker arranged on the left side of the vehicle outputs the signal for the left channel, while the rotating seat moves sideways. When facing, the speaker in the front of the vehicle outputs the signal for the right channel and the speaker in the rear of the vehicle outputs the signal for the left channel, so that passengers in the rotating seat It is described that the user should enjoy the stereo feeling.

However, the signal output from the speaker located in the front part of the vehicle is blocked by the backrests of the driver's seat and the passenger's seat and does not reach the rotating seat sufficiently, so that there is a drawback that a sufficient volume cannot be obtained.

The present invention has been devised in view of such a situation, and the seat,
It is an object of the present invention to provide a stereo device for a truck vehicle that allows a stereo feeling to be felt regardless of which one is in a nap bed.

[Means for solving the problem]

The inside of the cab body of the driver's cab of the vehicle is divided into a seat space in which a driver's seat and a passenger seat are arranged and a bed space in which a nap bed is arranged, and the seat space is located in front of the bed space. , A plurality of speakers are arranged side by side above the dashboard or windshield installed in front of the driver's seat and the passenger seat in the seat space, and a plurality of speakers are arranged side by side in the front part of the bed space. Arranged side by side, a plurality of speakers are arranged side by side at the rear of the bed space, the dashboard is provided with an audio main body to which the speakers are connected via wiring, and the audio main body and the speaker are connected to each other. A speaker changeover switch is provided on the wiring, and when the driver's seat or passenger seat is seated, the seat switch The speaker on the left side of the bed space is electrically connected to the speaker on the rear side of the bed space so that the speaker arranged on the left side outputs the audio signal for the left side and the speaker arranged on the right side outputs the audio signal for the right side. When resting on the bed, by operating the speaker changeover switch, the speakers on the left, right, front and back of the bed space are brought into conduction so that the speaker arranged on the front outputs the audio signal for the right side and the speaker arranged on the rear. Output the audio signal for the left side.

[Action]

When resting on the nap bed, by operating the speaker selector switch, the speakers on the left, right, front and back of the bed pace are brought into conduction so that the speaker arranged on the front outputs the audio signal for the right side and the speaker arranged on the rear. When the left side audio signal is output to, the speaker that outputs the right side audio signal is not the speaker arranged in the seat space but the speaker arranged in the front part of the bed space. The output audio signal is not blocked by the back seats of the driver's seat and the passenger's seat, so that a sufficient volume can be obtained for the driver resting on the nap bed.

Also, the speaker that outputs the audio signal for the right side when resting in the nap bed is not the speaker arranged in the seat space as in the above, but the speaker arranged in the bed space. The left and right audio signals are evenly input to the driver.

〔Example〕

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

1 and 2 show a first embodiment of the present invention.
In the figure, reference numeral 1 indicates a nap bed 5 behind the driver's seat 3.
It is a cab-over type vehicle equipped with.

The inside of the cab body of the cab of the cab-over type vehicle 1 is divided into a seat space X in which the driver's seat 3 and the passenger seat 3a are arranged and a bed space Y in which the nap bed 5 is arranged. Is provided with an audio main body 9 which is disposed somewhat from the center of the dashboard 7 by the driver, and speakers 11 and 13 which are disposed on the left and right of the dashboard 7. Also, bed space Y
Includes speakers 15 and 17 arranged on the left and right of the ceiling panel behind the nap bed 5, and a speaker changeover switch 19 arranged near the audio body 9 of the dashboard 7.
A stereo device 21 composed of and is provided.

As shown in FIG. 2, the audio main body 9 of the stereo device 21 is internally provided with an amplifier and the like, and a right sound terminal is provided.
9a, 9b and left side sound terminals 9c, 9d are provided.

Then, the speaker 11 arranged on the right side of the dashboard 7 is wired and connected to the one right sound terminal 9a, and the one left sound terminal 9d is arranged on the left side of the ceiling panel behind the nap bed 5. The connected speaker 17 is wired and connected. Furthermore, the remaining right sound terminal 9b and left sound terminal 9c are the input side terminals 19 of the speaker changeover switch 19.
Wiring and connection to a and 19b respectively.

The speaker changeover switch 19 is composed of two output side terminals 19c and 19d corresponding to the input side terminal 19a and two output side terminals 19e and 19f corresponding to the input side terminal 19b, and the output side terminal 19c. , 19f is wired and connected to the speaker 15 disposed on the right side of the ceiling panel behind the nap bed 5, and the output side terminals 19e and 19d are wired to the speaker 13 disposed on the left side of the front dashboard 7, respectively.
It is connected.

Further, the speaker changeover switch 19 can switch the speaker 13 and 15 between the seat side and the bed space side by switching the output side terminals 19c and 19d and the output side terminals 19e and 19f with the operation portion 19g. When the operation portion 19g is switched to the seat side, the input side terminal 19a and the output side terminal 19c become conductive, and the input side terminal 19b and the output side terminal are connected.
19e is electrically connected to the right sound terminal 9b of the audio body 9.
The speaker 15 arranged on the rear side of the nap bed 5 and the left-side sound terminal 9c of the audio body 9 and the speaker 13 arranged on the left side of the dashboard 7 are electrically connected to each other. Also, when the operation portion 19g of the speaker changeover switch 19 is switched to the bed space side,
As shown by the alternate long and short dash line in FIG. 2, the input-side terminal 19a and the output-side terminal 19d are conducted, and the input-side terminal 19b and the output-side terminal 19f are conducted, so that the right-side sound terminal 9 of the audio body 9 is connected.
Speaker 13 placed on the left side of b and dashboard 7
The left sound terminal 9c of the audio body 9 and the speaker 15 arranged on the right side of the ceiling panel behind the nap bed 5 are electrically connected to each other.

That is, the stereo device 21 is a speaker provided on the right side of the dashboard 7 and the right side of the ceiling panel behind the nap bed 5 with respect to the vehicle traveling direction by switching the operating portion 19g of the speaker changeover switch 19 to the seat side. 1
Sounds for the right side are simultaneously emitted from 1,15, and sounds for the left side are simultaneously emitted from the speakers 13,17 provided on the left side of the dashboard 7 and on the left side of the ceiling panel behind the nap bed 5 to form a three-dimensional sound. It is like this. Also, by switching the operation portion 19g of the speaker changeover switch 19 to the bed space side, speakers 11 and 13 provided on the left and right of the dashboard 7 simultaneously emit a sound for the right side and a ceiling panel behind the nap bed 5. Left-sided sounds are simultaneously emitted from the provided speakers 15 and 17 to form a three-dimensional sound.

Since the present embodiment is configured in this manner, the speaker changeover switch is used for the driver to listen to music while driving.
If the operation portion 19g of 19 is switched to the seat side and the audio body 9 is operated, the right side sound terminals 9a, 9b of the audio body 9
And the speaker 11 on the right side of the dashboard 7 and the speaker 15 provided on the right side of the ceiling panel behind the nap bed 5.
And become conductive and both speakers 11 and 15 emit the right sound at the same time. At the same time, the left-side sound terminals 9c and 9d of the audio body 9 and the left-side speaker 13 of the dashboard 7 and the speaker 17 provided on the left side of the ceiling panel behind the nap bed 5 are electrically connected to both speakers 13, The sound for the left side is emitted from 17 at the same time to form a three-dimensional sound.

When the driver lies on the nap bed 5 and listens to music, the operation portion 19g of the speaker changeover switch 19 may be switched to the bed space side. Thus, when the operation portion 19g of the speaker changeover switch 19 is switched in this way, the right side sound terminal 9b of the audio body 9 and the speaker 13 of the dashboard 7, the left side sound terminal 9c of the audio body 9 and the above speaker 15 And are conducting respectively,
The sound for the left side emitted from the speaker 13 and the speaker
The right sound emitted from 15 is switched. Then, the left and right speakers 11, 13 of the dashboard 7 simultaneously emit the sound for the right side, and the left and right speakers 15, 17 provided on the ceiling panel behind the nap bed 5 simultaneously emit the sound for the left side. It constitutes the sound.

As described above, in this embodiment, by switching the speaker changeover switch 19 to either the seat side or the bed space side, when the vehicle is traveling, the speaker 11 on the right side of the dashboard 7 and the right side behind the nap bed 5 are displayed. speaker
15 and the right side sound are simultaneously emitted, and the left side speaker 13 of the dashboard 7 and the left side speaker 17 behind the nap bed 5 simultaneously emit the left side sound to form a three-dimensional sound. When taking a break on the bed 5, the left and right speakers 11 and 13 of the dashboard 7 simultaneously emit the right sound, and the left and right speakers 15 and 17 behind the nap bed 5 simultaneously emit the left sound. Since the three-dimensional sound is configured, the driver or the like can enjoy a stereo feeling whether listening to music on the seat side or listening to music during a break on the nap bed 5. It is possible to improve comfort in the space.

The speaker changeover switch 19 in the present embodiment is
The example provided on the front dashboard 7 has been described, but it may be provided around the bed space.

Further, although the present embodiment has been described with respect to the example in which the speakers 11 and 13 are provided on the left and right of the dashboard 7, the present invention can be applied to a stereo device provided on the left and right of the panel above the windshield. .

FIGS. 3 and 4 show a second embodiment of the present invention.

The same parts as those in the first embodiment are designated by the same reference numerals and their structural description will be omitted.

In FIG. 3, reference numeral 25 is a stereo device provided in the cabin of the cab-over type vehicle 1.
Is an audio body 9, speakers 11 and 13 arranged on the left and right of the dashboard 7, speakers 15 and 17 arranged on the left and right of a ceiling panel behind the nap bed 5, a seat such as the driver's seat 3 and a nap. It is composed of speakers 29 and 31 arranged on the left and right of the ceiling panel between the bed 5 and the speaker changeover switch 33 arranged near the audio main body 9 of the dashboard 7.

As shown in FIG. 4, the speaker selector switch 33
Is an input side terminal 33a, 33b, 33c, an output side terminal 33d, 33e corresponding to the input side terminal 33a, an output side terminal 33f, 33g corresponding to the input side terminal 33b, and an output corresponding to the input side terminal 33c. Side terminal
33h, 33i and the input side terminals 33a, 33b, 3
The right side sound terminals 9a and 9b and the left side sound terminal 9c of the audio body 9 are wired and connected to 3c, respectively.

Furthermore, a speaker 31 arranged on the left side of the ceiling panel between the seat and the nap bed 5 is wired and connected to the output side terminal 33d, and the output side terminals 33e and 33h are on the right side of the ceiling panel behind the nap bed 5. The speaker 15 arranged on the right side of the ceiling panel between the seat and the nap bed 5 is wired and connected to the output side terminal 33f, and the output side terminal 33f is further connected to the output side terminal 33f. The speaker 11 arranged on the right side of the dashboard 7 is wired and connected to 33g, and the speaker 13 arranged on the left side of the dashboard 7 is wired and connected to the output side terminal 33i.

In addition, the speaker 17 arranged on the left side of the ceiling panel behind the nap bed 5 is a left side sound terminal of the audio body 9.
It is directly wired and connected to 9d.

When the operation portion 33j of the speaker changeover switch 33 is switched to the seat side, the input side terminals 33a, 33b, 33c and the output side terminals 33e, 33g, 33i are electrically connected to each other, and the right sound terminal of the audio body 9 is connected. 9a is the speaker 15 arranged behind the nap bed 5, the right sound terminal 9b is the speaker 11 arranged on the right side of the mashboard 7, and the left sound terminal 9c is on the left side of the dashboard 7. The speaker 13 is electrically connected to each of the arranged speakers 13.
Further, when the operation portion 33j of the speaker changeover switch 33 is switched to the bed space side, the input side terminals 33a, 33b, 33c and the output side terminals 33d, 33f, 33h are shown by the alternate long and short dash line in FIG.
And the right-side sound terminal 9a of the audio body 9 and the speaker 31 are electrically connected, the right-side sound terminal 9b and the speaker 29 are electrically connected, and further, the left-side sound terminal 9c and the nap bed. 5 The speaker 15 arranged at the rear is electrically connected to each other.

That is, in the stereo device 25, the speaker provided on the right side of the dashboard 7 and the right side of the ceiling panel behind the nap bed 5 with respect to the traveling direction of the vehicle by switching the operation portion 33j of the speaker changeover switch 33 to the seat side. 1
Sounds for the right side are simultaneously emitted from 1,15, and sounds for the left side are simultaneously emitted from the speakers 13,17 provided on the left side of the dashboard 7 and on the left side of the ceiling panel behind the nap bed 5 to form a three-dimensional sound. It is like this. In addition, by switching the operation portion 33j of the speaker changeover switch 33 to the bed space side, the right side sound is simultaneously emitted from the speakers 29 and 31 provided on the left and right of the ceiling panel between the seat and the nap bed 5, and Speakers 15 and 17 provided on the left and right of the ceiling panel at the rear of the nap bed 5 simultaneously generate sounds for the left side to form a three-dimensional sound.

Since the present embodiment is configured in this manner, the speaker changeover switch is used for the driver to listen to music while driving.
If the operation part 33j of 33 is switched to the seat side and the audio body 9 is operated, the right side sound terminals 9a, 9b of the audio body 9
And the speaker 11 on the right side of the dashboard 7 and the speaker 15 provided on the right side of the ceiling panel behind the nap bed 5 are electrically connected to each other, and the sounds for the right side are simultaneously emitted from the both speakers 11, 15. At the same time, the left-side sound terminals 9c and 9d of the audio body 9 and the left-side speaker 13 of the dashboard 7 and the speaker 17 provided on the left side of the ceiling panel behind the nap bed 5 are electrically connected to both speakers 13, The sound for the left side is emitted from 17 at the same time to form a three-dimensional sound.

When the driver lies on the nap bed 5 and listens to music, the operation portion 33j of the speaker changeover switch 33 may be switched to the bed space side. Thus, when the operation portion 33j of the speaker changeover switch 33 is switched in this manner, the right sound terminals 9a and 9b of the audio body 9 are
The above speaker 29,31 between the seat and the nap bed 5
And the left side sound terminal 9c and the speaker 15 become conductive. Speakers 29, 3 provided on the left and right of the ceiling panel between the seat and the nap bed 5
A sound for the right side is simultaneously emitted from 1 and a sound for the left side is simultaneously emitted from the speakers 15 and 17 provided on the left and right of the ceiling panel at the rear of the nap bed 5, thereby forming a three-dimensional sound.

Therefore, according to the present embodiment, the same effect as the first embodiment can be obtained, and the speaker that emits the right sound when the operation portion 33j of the speaker changeover switch 33 is changed to the bed space side. Since 29 and 31 are arranged on the left and right of the ceiling panel between the seat and the nap bed 5, the sound is not blocked by the seat back of the driver's seat or the passenger seat, and the driver lying on the nap bed 5 As a result, the speaker positions are substantially even with respect to the above, and the balance of the left and right sounds is improved.

[Effect of device]

As described above, according to the present invention, the inside of the cab body of the driver's cab of the vehicle is divided into the seat space in which the driver's seat and the passenger seat are arranged and the bed space in which the nap bed is arranged and the seat space. Is located in front of the bed space, and a plurality of speakers are arranged side by side above a dashboard or windshield provided in front of the driver's seat and passenger seat in the seat space, and the bed space is arranged. , A plurality of speakers are arranged side by side in the front part, a plurality of speakers are arranged side by side in the rear part of the bed space, the dashboard is provided with an audio main body in which the speakers are connected via wiring, A speaker changeover switch is provided on the wiring connecting the audio body and the speaker, and the driver seat or When the passenger is seated, the speaker in the seat space and the speaker in the rear part of the bed space are electrically connected to each other so that the speaker arranged on the left side outputs the sound signal for the left side and the speaker arranged on the right side outputs the sound for the right side. A signal is output, and at the time of resting on the nap bed, the speakers on the left, right, front, and rear of the bed space are electrically connected by operating the speaker changeover switch to output the right-side audio signal to the speaker arranged on the front and the rear. Since the left-side audio signal is output to the speaker arranged on the left side, the speaker on the left and right of the bed space is made conductive by operating the speaker changeover switch when resting on the nap bed, and the speaker arranged on the front part. To output the right side audio signal to the speaker placed at the rear When the side audio signal is output, the speaker that outputs the right audio signal is not the speaker arranged in the seat space but the speaker arranged in the front part of the bed space. The audio signal is
Without being blocked by the driver's seat or the back seat of the passenger seat,
This provides ample volume for drivers resting on a nap bed.

In addition, the speaker that outputs the audio signal for the right side when resting in the nap bed is not the speaker arranged in the seat space as described above but the speaker arranged in the bed space. The left and right audio signals are evenly input to the driver.

[Brief description of drawings]

FIG. 1 is a schematic plan view of a cab-over type vehicle equipped with a stereo device according to a first embodiment of the present invention, FIG. 2 is a wiring diagram of the stereo device, and FIG. 3 is a second embodiment of the present invention. FIG. 4 is a schematic plan view of a cab-over type vehicle equipped with a stereo device, and FIG. 4 is a wiring diagram of the stereo device. 1 …… Cab-over vehicle 3 …… Driver's seat 3a …… Passenger seat 5 …… Nap bed 7 …… Front dashboard 9 …… Audio system 11,13,15,17 …… Speaker 19,33 …… Speaker switching Switch 21,25 …… Stereo equipment 29,31 …… Speaker. X: Seat space Y: Bed space

Claims (1)

[Scope of utility model registration request] 1. A cab body of a driver's cab of a vehicle is divided into a seat space in which a driver's seat and a passenger seat are arranged and a bed space in which a nap bed is arranged, and the seat space is separated from the bed space. Also in front of the driver's seat and passenger seat in the seat space, or a plurality of speakers are arranged side by side above the windshield, and a plurality of speakers are arranged in front of the bed space. Speakers are arranged side by side, a plurality of speakers are arranged side by side at the rear of the bed space, the dashboard is provided with an audio main body to which the speakers are connected via wiring, and the audio main body and the A speaker changeover switch is provided on the wiring that connects to the speaker, and the driver seat or passenger seat In addition, the speaker in the seat space and the speaker in the rear part of the bed space are electrically connected to each other so that the left-side speaker outputs the left-side audio signal and the right-side speaker outputs the right-side audio signal. When resting on the nap bed, the speakers on the left, right, front, and rear of the bed space are made conductive by operating the speaker changeover switch so that the speaker arranged on the front outputs the audio signal for the right and is arranged on the rear. A stereo device for a truck vehicle, wherein the speaker outputs a sound signal for the left side.