JPH0638553Y2 - In-vehicle speaker - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a vehicle-mounted speaker capable of emphasizing a low frequency range.

[Conventional technology]

Conventionally, in addition to the speaker for the entire range that has been attached to the vehicle body from the beginning,
A bass speaker may be added as a sub speaker. At this time, as a sub-speaker installation location, in a passenger car, the sub-speaker is generally installed on a shelf behind a rear seat, and the vehicle trunk room is used as a sound field space for the sub-speaker.

[Problems to be solved by the invention]

However, the conventional sub-speaker is a hatchback type car in which the seat and the luggage compartment are not partitioned, even if the installation is easy in a normal passenger car,
In a van type, truck, etc., there is no shelf behind the seats, and there is no trunk room as a sound field space for speakers, so it is difficult to install additional sub speakers afterwards. In such a vehicle model, there is a problem that it is difficult to enjoy music with emphasized low range.

Therefore, the present invention makes it easy to install a low-range reproduction in-vehicle device so that you can enjoy low-range emphasized music even in a vehicle model that could not add a low-range reproduction sub-speaker. The purpose is to provide a speaker for.

[Means for solving problems]

In order to achieve the above-mentioned object, the present invention comprises a first space part accommodating a speaker and a second space part adjacent to the first space part via a partition plate inside thereof. In a vehicle-mounted speaker having a box body, an opening is formed in a side wall of at least one of the first and second spaces, and
The protrusion is provided so as to protrude from the side wall where the opening is formed toward the outside of the box.

Further, it is desirable that the projecting portion is a mounting portion for mounting the box body on the vehicle.

[Action]

According to the above means, the speaker is housed in the box body, and the first or second space portion formed in the box body has an effect as a horn, whereby the conventional sub-speaker cannot be mounted. However, you can enjoy the music emphasized the low frequency range only by installing the in-vehicle speaker of the present invention in a predetermined position, and since the speaker is not exposed by itself, this speaker is not affected by external influences. It can be prevented from being deteriorated by being received.

In addition, by providing a protrusion that protrudes from the side wall where the opening is formed toward the outside of the box, the opening can be blocked by the wall surface of the vehicle body when the in-vehicle speaker is installed in the vehicle. It is possible to surely generate an emphasized bass without any noise.

Further, if the projecting portion is also used as the mounting portion of the box body to the vehicle, it is not necessary to separately provide the projecting portion, and the manufacturing cost can be reduced.

〔Example〕

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

FIG. 1 is a side sectional view of a vehicle-mounted speaker according to an embodiment of the present invention, and FIG. 2 is a perspective view of the vehicle-mounted speaker.

In the figure, the outer shape of a vehicle-mounted speaker 1 is a box body 2 in which a first space part 3 in a sealed state and a second space part 4 having a smaller volume than the first space part 3 are provided inside. Is formed by. The first space portion 3 and the second space portion 4 are partitioned by a baffle plate (partition plate) 6, and the right side wall of the second space portion 4 in FIG.
Are formed.

Further, on the left side of the baffle plate 6 in the figure, a speaker 7 for low-frequency range reproduction is attached with the sound emitting surface facing the second space portion 4 and being entirely accommodated in the first space portion 3. ing. As shown in FIG. 1, the speaker 7 and the opening 5 are provided apart from each other in the left-right direction in the figure, so that the sound emitted from the sound emitting surface of the speaker 7 is generated in the second space 4 as a horn. It is radiated from the opening 5 through the opening 5, and during this period, the bass is enhanced and the high temperature is attenuated.

As shown in FIG. 1, the bottom plate 8 forming the bottom wall of the box body 2 is provided with its left and right end portions in the figure protruding in the left-right direction of the box body 2. The protrusions 8a, 8b are mounting portions for mounting the vehicle-mounted speaker 1 on a vehicle,
Although not particularly shown, a fixing means such as an adhesive layer is added to the opening for bolting or the bottom surface thereof.

An example of mounting the vehicle-mounted speaker 1 having the above configuration will be described with reference to FIGS. 3 and 4. Incidentally, FIG. 3 shows a basic mounting example of the in-vehicle speaker 1, and FIG. 4 shows an example of mounting the in-vehicle speaker 1 in a hatchback type vehicle.

In FIG. 3, the in-vehicle speaker 1 of the present invention is mounted on the vehicle body with the bottom plate 8 being perpendicular to the floor 10 of the vehicle, whereby the sound emitted from the opening 5 is mainly Then, it is reflected by the vehicle side plate 9 and spreads over the entire passenger compartment, so that the emphasized deep bass can be enjoyed.

As described above, since the projecting portion 8a of the bottom plate 8 projects from the side wall in which the opening 5 is formed without covering the entire circumference of the opening 5, it is further mounted on the vehicle from the state shown in FIG. Even when the speaker 1 is brought close to the vehicle side plate 9, the protrusion 8a first comes into contact with the vehicle side plate 9 so that the opening 5 is not blocked by the vehicle side plate 9. Therefore, the problem that the sound output from the speaker 7 is not radiated to the outside of the box body 2 does not occur. Therefore, when the on-vehicle speaker 1 is mounted on the vehicle, the mounting operator does not need to mount it while considering the gap between the side wall 9 of the box body 2 having the opening 5 formed therein and the vehicle side plate 9. In addition, since the protruding portion 8a of the vehicle-mounted speaker 1 may be intentionally attached to the side wall of the vehicle, the mounting space is not secured unnecessarily. The required vehicle interior space can be minimized.

Further, in the above embodiment, the mounting portion of the vehicle-mounted speaker 1 to the vehicle is also used as the projecting portion 8a, but in this case, it is necessary to separately provide the projecting portion on the wall surface of the box body 2 in which the opening 5 is formed. Since it does not exist, the manufacturing cost can be reduced and the design process can be easily performed. However, it is not always necessary that the protruding portion also serves as the mounting portion of the vehicle-mounted speaker 1, and the protruding portion and the mounting portion may be formed separately.

In the mounting example shown in FIG. 3, the bottom plate 8 of the box body 2 of the on-vehicle speaker 1 is mounted on the vehicle in a state vertical to the floor 10, but depending on the situation of the mounting location of the vehicle. The bottom plate 8 may be attached to the floor 10 in a horizontal state as shown in FIG.
The mounting state of FIG. 4 shows an example in which the opening 5 of the vehicle-mounted speaker 1 is mounted on the vehicle side plate 9 with a distance of about 15 cm. In this mounting state, the low sound radiated from the opening 5 is not emitted. When the space between the side wall of the box body 2 provided with the opening 5 and the vehicle side plate 9 is passed through, this space is further enhanced as a horn, and is sufficiently reflected by the vehicle body and the rear glass to spread throughout the vehicle interior. Is.

[Effect of device]

As described above, according to the vehicle-mounted speaker of the present invention, the first space portion that accommodates the speaker and the second space portion that is adjacent to the first space portion via the partition plate are provided. Is provided inside the box, and the opening is formed in the side wall of at least one of the first and second spaces. Therefore, it is difficult to attach the sub-speaker to the hatchback type, van type, or truck. You can easily add bass range speakers to various car models without limiting the installation location, and enjoy music with emphasized bass range in a wide range of car models. In addition, the structure in which the speaker is housed in a box can prevent the quality of the speaker from being deteriorated due to external factors such as sunlight and moisture, and the performance can be enjoyed for a long time.

In addition, since the protrusion that protrudes toward the outside of the box from the side wall where the opening is formed is provided, even when the vehicle-mounted speaker is mounted close to the wall of the vehicle, the opening of Can be prevented from being obstructed by the fact that the sound emitted from the speaker is not radiated outside the box. For this reason, when mounting the on-vehicle speaker on the vehicle, the mounting operator does not need to mount it while considering the gap between the side wall of the box in which the opening is formed and the vehicle side plate, and the mounting workability becomes good, Also, since the protruding portion of the in-vehicle speaker may be intentionally attached in close contact with the side plate of the vehicle, there is no need to secure an installation space more than necessary, and the vehicle interior space required for installing the in-vehicle speaker is reduced. It can be minimized.

Further, if the projecting portion is also used as the mounting portion of the box body to the vehicle, it is not necessary to separately provide the projecting portion, the manufacturing cost can be reduced, and the design can be easily processed.

[Brief description of drawings]

FIG. 1 is a side sectional view of a vehicle-mounted speaker according to an embodiment of the present invention, FIG. 2 is a perspective view of the vehicle-mounted speaker, and FIG. 3 is a top view showing a mounting state of the vehicle-mounted speaker. FIG. 4 is a side view showing another mounting state. 1 ... In-vehicle speaker, 2 ... Box body, 3 ... First space part, 4 ... Second space part, 5 ... Opening part, 6 ... Baffle plate (partition plate), 7 ... Speaker, 8 ... bottom plate, 8a
…… Projection.

Claims (2)

[Scope of utility model registration request] 1. A box body having therein a first space portion for accommodating a speaker and a second space portion adjacent to the first space portion via a partition plate, An opening is formed in the side wall of the at least one of the first and second spaces, and a protrusion is provided to protrude from the side wall in which the opening is formed toward the outside of the box body. In-vehicle speaker characterized by 2. The on-vehicle speaker according to claim 1, wherein the projecting portion is a mounting portion for mounting the box body on a vehicle.