JP7200023B2 - intercom equipment - Google Patents

Description

The present invention relates to an interphone device having a built-in speaker, such as an interphone base unit.

2. Description of the Related Art Conventionally, a general interphone device such as an interphone base unit is provided with a speaker for outputting voice. As for the structure of the sound output from the speaker, for example, as described in Patent Document 1, a grid-shaped sound hole is provided on the front surface of the intercom device, and the speaker is placed forward on the rear side of the sound hole. Many of them are installed facing the front and the sound is sent to the front.

JP-A-2013-8468

In recent years, due to the diversification of designs in intercom equipment, there has been a demand not to provide a recognizable sound hole in the front surface of the intercom equipment.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide an intercom device having an external appearance in which the sound hole is less conspicuous.

In order to achieve the above-mentioned object, the invention according to claim 1 of the present invention has a speaker for announcing sound installed in the main body case, and at least one of the upper end portion and the lower end portion of the main body case. An intercom device provided with a push-operable button on one side, wherein the end of the button, which is outside the main body case in the vertical direction, is exposed on the surface of the intercom device, and is between the end and the front surface of the main body case. While a gap is formed in the front of the main body case, a speaker hole is opened at a position covered by the button, and a speaker is installed behind the speaker hole. It is characterized in that it serves as a sound hole for sounding to the outside.
According to the first aspect of the invention, the end portion of the button, which is the outside of the main body case in the vertical direction, is exposed on the surface of the intercom device, and a gap is formed between the end portion and the front surface of the main body case. A speaker hole was opened on the front surface of the case at a position covered by the button, and a speaker was installed behind the speaker hole. A gap between the end portion of the button and the front surface of the main body case serves as a sound hole for outputting the sound output from the speaker to the outside. Therefore, compared with the conventional interphone device, the sound hole is less conspicuous especially when viewed from the front side.

Further, in order to achieve the above object, according to the second aspect of the present invention, a speaker for reporting voice is installed in the main body case, and the left end portion and the right end portion of the main body case are separated from each other. An intercom device provided with a push-operable button on at least one of them, wherein the end of the button, which is the outside of the body case in the horizontal direction, is exposed on the surface of the intercom device, and the end and the front face of the body case are exposed. While a gap is formed between the It is characterized in that it serves as a sound hole for reporting sound to the outside.
According to the second aspect of the invention, the end portion of the button, which is the outside of the body case in the left-right direction, is exposed on the surface of the intercom device, and a gap is formed between the end portion and the front surface of the body case, while the body A speaker hole was opened on the front surface of the case at a position covered by the button, and a speaker was installed behind the speaker hole. A gap between the end portion of the button and the front surface of the main body case serves as a sound hole for outputting the sound output from the speaker to the outside. Therefore, as in the case of the first aspect of the present invention, it is possible to provide an intercom device with an inconspicuous sound hole, particularly when viewed from the front side, compared to the conventional intercom device.

The invention according to claim 3 is the invention according to claim 1 or 2, wherein the end of the button is provided with a bent portion that is bent toward the main body case, and the bent portion is provided with a A recess is provided by recessing the edge forward, and the space in the recess serves as a sound hole.
According to the third aspect of the invention, since the end portion of the button is provided with a bent portion that is bent toward the main body case, the end portion of the button and the peripheral surface of the main body case seem to be connected. It is possible to provide an intercom device with a more inconspicuous sounding hole.

According to the present invention, the end of the button, which is the outer side of the body case in the vertical direction (horizontal direction in claim 2), is exposed on the surface of the intercom device, and a gap is formed between the end and the front surface of the body case. On the other hand, on the front surface of the body case, a speaker hole was opened at a position covered by the button, and the speaker was installed behind the speaker hole. A gap between the end portion of the button and the front surface of the main body case serves as a sound hole for outputting the sound output from the speaker to the outside. Therefore, compared with the conventional interphone device, the sound hole is less conspicuous especially when viewed from the front side.

It is a perspective explanatory view showing the front side of the intercom base unit. FIG. 4 is an explanatory diagram showing the intercom base unit from below; Fig. 2 is a perspective explanatory view showing the intercom main unit in a disassembled state from the front side; Fig. 2 is a perspective explanatory view showing the intercom main unit in a disassembled state from the rear side; FIG. 10 is a perspective explanatory view showing a vertical cross section in the front-rear direction of the speaker unit of the interphone base unit; FIG. 3 is a perspective explanatory view showing a horizontal cross section of the speaker section of the intercom master unit from below;

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An intercom master unit according to an embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a perspective explanatory view showing the front side of the intercom master unit 1. FIG. FIG. 2 is an explanatory diagram showing the intercom master unit 1 from below. FIG. 3 is a perspective explanatory view showing the intercom master unit 1 in a disassembled state from the front side. FIG. 4 is a perspective explanatory view showing the intercom master unit 1 in a disassembled state from the rear side. FIG. 5 is a perspective explanatory view showing a vertical cross section in the front-rear direction of the speaker unit 7 of the intercom base unit 1. FIG. FIG. 6 is a perspective explanatory view showing a horizontal cross section of the speaker unit 7 of the intercom base unit 1 from below.

The interphone master unit 1 has a main body case formed by assembling a front case 2 arranged on the front side and a rear case 3 arranged on the rear side. In addition, a display unit 4 for displaying images captured by an intercom slave unit (not shown) is provided at approximately the center of the front surface of the main body case. A microphone section 5 is provided for a person to talk with a visitor. In addition, various function buttons 8, 8, . . In addition, a synthetic resin frame member 11 formed in a rectangular frame shape surrounding the outside of the display unit 4, the microphone unit 5, the function buttons 8, 8 . . . ing. The frame member 11 functions as a decorative panel on the outer periphery of the main body case, and the lower side portion has a structure as described later, a speaker portion 7 for reporting sound and a push-operable button portion (specifically, functions as a response button 11a operated by the resident when answering a call from an intercom slave unit. In addition, the main body case incorporates a control board 9 for controlling the call operation with the intercom slave unit and the video transmission/reception operation. Such an intercom base unit 1 is installed on a wall surface or the like in a living room, and when the button portion 11a is operated in response to a call from the intercom slave unit, an image is displayed on the display unit 4 and the intercom A state in which communication with the cordless handset is possible is established. Reference numeral 10 denotes a panel member that covers portions (the display section 4, the microphone section 5, etc.) inside the frame member 11 on the front surface of the main body case.

Here, the speaker section 7 and the button section 11a, which are essential parts of the present invention, will be described.
First, the button portion 11a will be described. Support walls 12 extending in the vertical direction are provided on the lower left and lower right portions of the front surface of the front case 2 so as to protrude forward. The lower left support wall 12 and the lower right support wall 12 face each other, and a button hole 13 is formed substantially in the center between the two support walls 12 in the left-right direction. , the switch 14 mounted on the front surface of the control board 9 is exposed.

On the other hand, on the rear surface of the frame member 11, an operation projection 15 that can pass through the button hole 13 projects rearward at a location that will be in front of the button hole 13 when assembled to the main body case. Bosses 16 for screwing the frame member 11 to the main body case are protruding from the four corners of the rear surface of the frame member 11 .

In the button portion 11a, as the frame member 11 is assembled to the main body case, the rear surface of the frame member 11 comes into contact with the tips of the support walls 12, 12, and the operation projection 15 penetrates the button hole 13. Then, it protrudes into the main body case. Therefore, when the center of the lower side of the frame member 11 is pushed in, the lower side bends rearward about the supporting walls 12, 12, and the tip of the operating projection 15 comes into contact with the switch 14, turning the switch 14 ON/OFF. will let you

Next, the speaker section 7 will be described. A speaker hole 21 is formed at a position on the front surface of the front case 2 between the support walls 12 in the left-right direction and on the right side of the button hole 13 . ing. A speaker 22 is installed behind the speaker hole 21 . When the front case 2 and the rear case 3 are assembled together, the speaker 22 is positioned on the front surface of a support projection 23 protruding forward from the rear surface of the rear case 3 , and its outer peripheral edge is aligned with the peripheral edge of the speaker hole 22 . installed while being pressed against the A rib 24 extending in the left-right direction projects forward from the upper side of the speaker hole 22 on the front surface of the front case 2 . As the frame member 11 is assembled, the rib 24 is positioned along the upper edge of the button portion 11a in the opening of the frame member 11. It has a height where the member 11 overlaps vertically.

On the other hand, the lower edge of the frame member 11 is provided with a bent portion 25 that is bent rearward (toward the main body case). The bent portion 25 is exposed on the surface of the interphone main unit 1 when the frame member 11 is assembled to the main body case, and constitutes a part of the lower surface of the interphone main unit 1 (in this embodiment, the front case 2 is fitted into the rear case 3, the bent portion 25 and the lower surface of the rear case 3 are substantially flush with each other. In addition, the bent portion 25 is provided with a notch-like recessed portion 26 formed by recessing the rear end edge forward.

In the speaker section 7, when the frame member 11 is assembled to the main body case, the front of the speaker hole 21 is covered with the button section 11a. , and the bent portion 25 form an informational sound space. In addition, the concave portion 26 forms a relatively wide gap in the front-rear direction between the rear edge of the bent portion 25 and the front surface of the main body case. The gap communicates the informational sound space with the outside of the intercom base unit 1, and functions as a sounding hole for notifying the sound output from the speaker 22 to the outside. The positional relationship between the speaker hole 21 and the recess 26 in the left-right direction is such that the speaker hole 21 is positioned within a range vertically above the recess 26 .

According to the interphone main unit 1 having the above configuration, the lower side of the frame member 11 assembled so as to cover the outer periphery of the main body case is the button portion 11a, and the lower end of the button portion 11a is the lower surface of the interphone main unit 1. A gap is formed between the lower end of the button portion 11a and the front surface of the body case. A speaker hole 21 is formed in the front surface of the front case 2 at a location covered by the button portion 11a, and a speaker 22 is installed behind the speaker hole 21. As shown in FIG. A gap between the lower end of the button portion 11a and the front surface of the main body case is configured to function as a sound hole. Therefore, the interphone base unit 1 having a high design property, in which the sound hole is less conspicuous especially when viewed from the front side, is provided as compared with the conventional one in which the sound hole is opened on the front surface of the main body case. can be done.

Further, the lower edge of the frame member 11 is provided with a bent portion 25 that is bent rearward, and the bent portion 25 and the lower surface of the rear case 3 become substantially flush with the assembly of the frame member 11 to the main body case. , the bent portion 25 constitutes a part of the lower surface of the intercom base unit 1. As shown in FIG. A recess 26 is provided in the bent portion 25 by recessing the rear edge of the bent portion 25 forward, and the space in the recess 26 is used as a sound hole. Therefore, it is possible to give the impression that the bent portion 25 and the lower surface of the main body case are continuous, and the intercom main unit 1 can be made to be more inconspicuous.

In addition, a rib 24 extending in the left-right direction is provided on the upper side of the speaker hole 22 on the front surface of the front case 2 so as to protrude forward. It is positioned along the upper edge of 11a. Further, the height of the rib 24 protruding forward is the height at which the tip of the rib 24 and the frame member 11 overlap vertically. Therefore, it is possible to effectively prevent a situation in which the sound output from the speaker 22 is sent from above the button portion 11a and cancels out the sound notified through the sound hole. A clear voice can be reported to the outside of the.

In addition, in the interphone device according to the present invention, not only the overall structure of the interphone device but also the structure related to the speaker section can be appropriately changed as necessary without departing from the gist of the present invention.

For example, in the above embodiment, the buttons are provided at the lower end of the main body case, but it is also possible to provide the buttons at the upper end of the main body case and to install the speaker at the top of the main body case. If a rib is provided for preventing sound from entering such a device, it may be provided along the lower edge of the button (the edge on the inner side of the main body case in the vertical direction).
On the other hand, it is of course possible to provide buttons at the left end and right end of the body case. And if ribs are provided to prevent sound from leaking into such devices, they can be provided along the right and left edges of the button (both are the edges on the inside of the main body case in the left-right direction). .

In addition, the shape of the button when viewed from the front is not limited to the rectangular frame shape as in the above embodiment, and may be a general rectangular or circular button when viewed from the front. There is no problem even if the end portion is not provided with a bent portion, and in the case of a button or the like that does not have a bent portion, a gap can be formed between the end portion and the front surface of the main body case without providing a concave portion. can.
In addition, although the above-described embodiment describes an interphone main unit, the present invention can be suitably applied to other intercom equipment such as an intercom slave unit and an entrance hall unit, as long as the present invention is equipped with a speaker unit. can.

1 Intercom main unit (interphone device), 2 Front case (main body case), 3 Rear case (main body case), 7 Speaker portion, 11 Frame member, 11a Button portion (button ), 12... support wall, 21... speaker hole, 22... speaker, 24... rib, 25... bent portion, 26... concave portion.

Claims (3)

An interphone device in which a speaker for reporting voice is installed in a main body case, and a push-operable button is provided at least one of the upper end portion and the lower end portion of the main body case,
An end portion of the button that is outside the main body case in the vertical direction is exposed on the surface of the intercom device, and a gap is formed between the end portion and the front surface of the main body case,
A speaker hole is formed on the front surface of the main body case at a position covered by the button, and the speaker is installed behind the speaker hole,
The intercom device, wherein the gap serves as a sound hole for reporting sound output from the speaker to the outside. An interphone device in which a speaker for reporting voice is installed in a main body case, and a push-operable button is provided on at least one of the left end portion and the right end portion of the main body case,
An end portion of the button that is outside the main body case in the left-right direction is exposed on the surface of the intercom device, and a gap is formed between the end portion and the front surface of the main body case,
A speaker hole is formed on the front surface of the main body case at a position covered by the button, and the speaker is installed behind the speaker hole,
The intercom device, wherein the gap serves as a sound hole for reporting sound output from the speaker to the outside. The end portion of the button is provided with a bent portion that is bent toward the main body case, and the bent portion is provided with a concave portion that is formed by denting the rear edge of the bent portion forward, 3. The interphone device according to claim 1, wherein the space inside the concave portion serves as the sound information hole.

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