JP5796485B2 - Remote controller - Google Patents

Description

  The present invention relates to a remote control, and more particularly to a remote control in which a microphone hole is formed in a cover member that covers a remote control body.

  Recently, remote controllers (remote control devices) for hot water supply devices have an interphone function, and a remote controller incorporating a microphone (microphone) has been provided. In such a remote control with a built-in microphone, a microphone hole is formed in a cover member that covers an electronic component or the like constituting the remote control body.

  By the way, there are some water heaters with functions such as filling a bathtub and retreating a bath, and in a water heater with such a bath function, a remote controller of the water heater is installed in the bathroom, The remote control installed in the bathroom may be splashed with hot water, so if you simply provide a microphone hole that penetrates the cover member, the moisture attached to the microphone hole will form a water film and prevent sound collection with the microphone. There is.

  For example, Patent Document 1 has been proposed as a structure for removing such a water film attached to the microphone hole. With respect to the interphone slave unit, the one disclosed in Patent Document 1 is formed in the microphone hole by providing a microphone hole on the bottom surface of the cover member of the slave unit main body and forming the wall thickness of the end surface of the microphone hole thin. The amount of water film is reduced, and the thickness from the end face of the microphone hole toward the outer periphery is increased, and raindrops are moved by the inclination to prevent the formation of a water film in the microphone hole. Yes.

Utility Model Registration No. 2538037

  However, the structure shown in Patent Document 1 has the following problems, and improvements have been desired.

  That is, since the structure of Patent Document 1 is a structure on the premise that the microphone hole is provided in the bottom portion of the cover member, the microphone hole cannot be provided in any place other than the bottom portion.

  In particular, a remote controller used in a bathroom may be difficult to pick up sound in a configuration in which a microphone is directed downward due to the mounting position and the like.

  In addition, as in Patent Document 1, in the configuration in which the thickness is increased from the end face of the microphone hole toward the outer periphery, the surface of the case member provided with the microphone hole is not flat, and a clean design can be adopted. There was also a problem of disappearing.

  The present invention has been made in view of such problems, and an object thereof is to provide a structure in which the position of the microphone hole can be freely set while preventing the microphone hole from being blocked by a water film. Thus, a remote controller suitable for use in a bathroom is provided.

  In order to achieve the above object, a remote control according to claim 1 of the present invention is a remote control in which a microphone hole is provided in a cover member that covers a remote control body incorporating a microphone, and there is a space between the microphone and the microphone hole. In this space, a moisture introduction part is provided in the space to introduce moisture into the cover member by contact with moisture attached to the microphone hole.

  That is, the remote control according to claim 1 introduces the moisture into the cover member by bringing a moisture introduction portion provided in a space formed between the microphone and the microphone hole into contact with moisture adhering to the microphone hole. Since the structure is adopted, the water film formed in the microphone hole is broken by the moisture introduction part, and the moisture is introduced inside the cover member. Therefore, the microphone hole is prevented from being blocked by the water film.

  And since this moisture introduction part should just be in the position which can contact the moisture adhering to a microphone hole, the position which provides a microphone hole is not restrict | limited, A microphone can be arrange | positioned in the position which is easy to collect sound . For example, microphone holes can be provided at arbitrary positions such as the left and right side surfaces and the front surface of the remote control (cover member).

  Moreover, since the moisture introduction part is disposed in the space between the microphone and the microphone hole, the surface of the case member provided with the microphone hole can be flattened, and a clean design can be adopted. . In addition, the “space formed between the microphone and the microphone hole” in claim 1 includes the internal space of the microphone hole, and a remote controller having a shape in which the moisture introduction portion does not protrude outside from the outer end of the microphone hole. Can be provided.

  The remote control according to claim 2 of the present invention is the remote control according to claim 1, wherein the moisture introduction portion includes a facing surface facing the microphone hole, and the facing surface and the inner surface of the cover member It has the structure which drains the water | moisture content introduce | transduced from the said microphone hole through the clearance gap formed in between.

  That is, the remote control according to claim 2 is torn when the water film formed in the microphone hole protrudes inside the microphone hole due to surface tension and comes into contact with the opposite surface of the moisture introduction portion facing the microphone hole. ing. And the water | moisture content of the torn water film is discharged | emitted through the clearance gap between the inner surface of a cover member, and the opposing surface of a water | moisture-content introduction part. In this discharge, moisture can be drained using a capillary phenomenon by narrowing the gap between the inner surface of the cover member and the moisture introduction portion.

  According to a third aspect of the present invention, there is provided a remote controller according to the first aspect, wherein the bulge portion that protrudes into the hole of the microphone hole at a position retracted inward from the outer end of the microphone hole, And a guide portion for guiding moisture inside the cover member.

  That is, in the remote control according to claim 3, the water film formed in the microphone hole is torn at the bulged portion protruding into the hole of the microphone hole at a position retracted inward from the outer end of the microphone hole, and the water film that has been torn The water is continuously guided to the inside of the cover member by a guide portion for guiding the water to the inside of the cover member continuously to the bulging portion.

  The remote controller according to claim 4 of the present invention is the remote controller according to any one of claims 1 to 3, wherein the cover member has a second microphone hole formed on a wall surface different from the wall surface provided with the microphone hole. It is characterized by being.

  That is, in the remote control according to claim 4, the second microphone hole is formed on a wall surface different from the wall surface provided with the microphone hole, so that the microphone hole is still provided by the configuration according to any one of claims 1 to 3. Even if a water film is formed on the microphone, the microphone can collect sound through the second microphone hole.

  The remote controller according to claim 5 of the present invention is the remote controller according to any one of claims 1 to 4, wherein a space between the microphone and the microphone hole has moisture in the microphone from above. A saddle-shaped microphone protection unit that prevents intrusion is provided.

  That is, in the remote control according to the fifth aspect, since the bowl-shaped microphone protection portion that prevents moisture from entering the microphone from above is provided in the space between the microphone and the microphone hole, Even if moisture enters from the ceiling surface or the like, the moisture can be prevented from entering the microphone by the bowl-shaped microphone protection portion, and a water film can be prevented from being formed on the microphone surface.

  According to the present invention, in a remote control in which a microphone hole is provided in a cover member that covers a remote control body incorporating a microphone, a space is formed between the microphone and the microphone hole, and moisture adhering to the microphone hole is formed in this space. Since the moisture introduction part for introducing the moisture into the inside of the cover member by contact with the water film is provided, the water film formed in the microphone hole is broken by the moisture introduction part and introduced into the inside of the cover member. The microphone hole is prevented from being blocked by the water film.

  Moreover, since the water introduction part should just be in the position which can contact the water | moisture content adhering to a microphone hole, the position which provides a microphone hole in the range which satisfy | fills this condition can be set freely, and the position where it is easy to collect a microphone Can be arranged.

  In addition, since the moisture introduction part is disposed in the space between the microphone and the microphone hole, the surface of the case member provided with the microphone hole can be flattened, and a remote controller with a clean design can be provided.

It is an external view which shows an example of the left side surface of the remote control which concerns on this invention. It is a partial expansion perspective sectional view showing an example of the internal structure around the microphone hole in the remote controller. FIG. 3 is a partially enlarged end view taken along line III-III in FIG. 1 showing the positional relationship between the cover member and the moisture introduction part in the remote controller. It is explanatory drawing which shows an example of the positional relationship of the microphone hole in the same remote control, and the opposing surface of a moisture introduction part, Comprising: Fig.4 (a) has arrange | positioned the opposing surface of a moisture introduction part in the full length of the height direction of a microphone hole. FIG. 4B shows the case where the opposite surface of the moisture introduction portion is arranged partway along the height of the microphone hole. It is explanatory drawing which shows 2nd Embodiment which changed the structure of the water | moisture-content introduction part of the same remote control, FIG.5 (a) is the perspective view which looked at the water | moisture-content introduction part from the outer side of the microphone hole, FIG.5 (b) The perspective view seen from the inside of a microphone hole is shown. It is the enlarged view which looked at the moisture introduction part of the remote control from the front panel side. It is explanatory drawing which shows 3rd Embodiment of the same remote control, Comprising: Fig.7 (a) is a perspective view which shows a 2nd microphone hole, FIG.7 (b) is a microphone periphery which shows the structure of a microphone protection part. It is a cross-sectional enlarged view.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
Embodiment 1
The remote controller according to the present invention is mainly a remote controller suitable for use in a so-called water environment such as a bathroom, and FIG. ing.

  The remote control 1 is configured by covering a remote control body 2 (see FIG. 2) composed of various electronic components for realizing a function as a remote control device of a hot water supply device with a cover member 3.

  The specific configuration of the remote control body 2 is well known and will not be described in detail. However, the remote control body 2 includes various display devices such as a microcomputer and a liquid crystal display that constitute the control center of the remote control 1, voice and alarms. A speaker for outputting sound, switches constituting various operation switches, a power supply device, and the like are provided. These various electronic components constituting the remote control main body 2 are attached to a component holding member 4 that places electronic components at predetermined positions, such as a printed circuit board and a component holder (not shown). In some cases, the cover member 3 is directly attached without using the component holding member 4.

  The remote control body 2 incorporates a microphone (microphone) 5 for realizing an interphone function provided in the remote control 1. As shown in FIG. 2, the microphone 5 is attached to a microphone holder portion 4 a formed to hold the microphone 5 on the component holding member 4, and the microphone holder portion 4 a has a microphone to be described later. A sound guide hole 4 b is formed so as to pass through the hole 9 and the sound coming into the cover member 3 to the microphone 5. A water repellent sheet 10 is attached to the tip of the sound guide hole 4b to prevent water droplets or the like from entering the sound guide hole 4b.

  When the remote control main body 2 is housed in the cover member 3, the microphone holder 4 a faces the microphone 5 (specifically, the tip of the sound guide hole 4 b) with a certain distance from the inner surface of the cover member 3. Thus, a space A is formed between the microphone 5 and the cover member 3 (a microphone hole 9 described later). In the present embodiment, the microphone holder portion 4 a is configured such that the microphone 5 is disposed near the lower end of the left side surface of the remote controller 1 in the cover member 3.

  The cover member 3 constitutes a substantially box-shaped case that accommodates the remote control main body 2 therein, and is mainly attached to the case main body 6 constituting the back surface 1e of the remote control 1 and the case main body 6 to mainly control the remote control. A case frame 7 that forms an upper surface 1b, a bottom surface 1c, a left side 1d, and a right side (not shown), and a front panel 8 that is mounted on the case frame 6 and mainly forms the front 1a of the remote control 1. Is configured as the main part. The case main body 6, the case frame 7, and the front panel 8 are all integrally molded products made of resin.

  Then, by housing the remote control body 2 in the cover member 3, a display device such as a liquid crystal display or switches constituting operation switches are exposed at predetermined positions on the front panel 8 of the remote control 1. It has come to be.

  In the present embodiment, as described above, since the microphone 5 is built in the remote control body 2, the position facing the microphone 5 in the cover member 3 of the remote control 1, that is, the remote control in the case frame 7. A microphone hole 9 penetrating the panel is formed at a position facing the microphone 5 of the panel constituting the left side surface 1d of 1. In this embodiment, as shown in FIG. 1, a substantially rectangular through hole that is elongated vertically is adopted as the microphone hole 9, but the opening shape of the microphone hole 9 can be changed as appropriate. For example, a square or circular through hole can be adopted as the microphone hole 9.

  In the remote control 1 configured as described above, in the present invention, in the space A formed between the microphone hole 9 and the microphone 5 in order to prevent the formation of a water film in the microphone hole 9. Moisture introduction that introduces the moisture (especially the moisture of the water film that is broken by contact) into the inside of the cover member 3 by contact with moisture adhering to the microphone hole 9 (particularly, a water film formed in the microphone hole 9). Part 11 is provided.

  The moisture introduction unit 11 is configured to include a facing surface 11 a facing the microphone hole 9 in the space A. Specifically, as shown in FIGS. 2 and 3, the water introduction part 11 is configured by a plate-like member 12 provided upright from the case body 6, and one of the plate-like members 12 is provided. This surface is the facing surface 11a, and this facing surface 11a is disposed so as to be separated from the microphone hole 9 (cover member 3) by a certain distance L.

  That is, the opposing surface 11a is disposed at a position retracted inward by a distance L from the inner surface of the cover member 3, that is, the inner wall surface 7a of the panel constituting the left side surface 1d of the remote controller 1 in this embodiment. This distance L is set to be short (for example, about several mm), and a narrow gap B is formed between the inner wall surface 7a of the cover member 3 and the facing surface 11a. The plate-like member 12 is formed integrally with the case body 6.

  In addition, the opposing surface 11 a is disposed so as to partially face the microphone hole 9 in relation to the microphone hole 9. FIG. 4 shows an example of the positional relationship between the microphone hole 9 and the facing surface 11a. As shown in FIG. 4, the facing surface 11 a has at least the microphone hole 9 in the left-right direction so that the microphone hole 9 and the facing surface 11 a do not completely overlap in the width direction of the microphone hole 9 (the left-right direction in the drawing). The positions are shifted (see FIGS. 4A and 4B). On the other hand, in the height direction (vertical direction of the paper surface), it is only necessary that at least the lower part of the microphone hole 9 overlaps the opposing surface 11a, and the opposing surface 11a overlaps the entire length in the height direction (FIG. 4 (a)) or a configuration in which only a part in the height direction overlaps the facing surface 11a (see FIG. 4 (b)).

  As described above, the opposing surface 11a of the moisture introduction portion 11 is displaced in the width direction of the microphone hole 9 (cover member 3) and is disposed at a position close to the microphone hole 9, so that When a water film W (see FIG. 3) is formed in the microphone hole 9 due to, for example, a portion of the water film W swelled by the surface tension, the water film W comes into contact with the facing surface 11a. Will be torn.

  And the water | moisture content (and the water droplet etc. which flowed into the microphone hole 9) of the torn water film W is introduce | transduced into the clearance gap B formed between the cover member 3 and the opposing surface 11a by capillary phenomenon, and the downward direction of the clearance gap B is carried out. Discharged. In other words, the gap B constitutes a discharge path for moisture that has flowed into the microphone hole 9.

  Note that a discharge portion (not shown) such as a discharge hole penetrating the case member 3 is formed in a portion communicating with the gap B below the gap B, and moisture that has entered the inside of the case member 3 is formed. Is discharged to the outside from this discharge section.

  As described above, in the remote control 1 of the present embodiment, the moisture is introduced into the space A formed between the microphone 5 and the microphone hole 9 inside the cover member 3 by contact with the moisture attached to the microphone hole 9. Since the water introduction part 11 is provided, it is possible to prevent the water film W from being formed in the microphone hole 9 and to prevent the microphone 5 from picking up sound.

Embodiment 2
Next, a second embodiment of the present invention will be described with reference to FIGS.
The remote controller 1 shown in the second embodiment is obtained by modifying the structure of the moisture introduction unit 11 in the above-described first embodiment, and other configurations are common to the first embodiment. Therefore, in the following description, the same code | symbol is attached | subjected to the part which has the same structure as 1st Embodiment, and description is abbreviate | omitted.

  As shown in FIGS. 5 and 6, the moisture introduction part 11 ′ of the remote controller 1 shown in the second embodiment projects into the hole of the microphone hole 9 at a position retracted inward from the outer end of the microphone hole 9. The bulging portion 13 is formed and a guide portion 14 that guides moisture to the inside of the cover member 3 continuously to the bulging portion 13.

  The bulging portion 13 is a portion that works to break the water film W by coming into contact with the water film W formed in the microphone hole 9. It protrudes toward the side. The shape of the bulging portion 13 is preferably a shape that can easily guide the water of the torn water film W downward (for example, a shape with a narrow tip (upper end) and a wide base end (lower end)). A substantially quadrangular pyramid shape as shown in FIG. 5 is adopted. In addition, the shape of this bulging part 13 can be changed suitably, For example, you may employ | adopt other shapes, such as a substantially cone shape and a substantially triangular pyramid shape.

  In addition, the bulging portion 13 is disposed so that the base end portion thereof is slightly retracted inward from the outer end of the microphone hole 9. This is because if the base end portion of the bulging portion 13 is brought close to the outer end of the microphone hole 9, the water film W may be formed in the form of taking in the bulging portion 13.

  The guide portion 14 is a portion that serves to guide the moisture of the water film W (and water droplets that flowed into the microphone hole 9) that has been broken by the bulging portion 13 so as to flow into the inside of the cover member 3. The guide portion 14 is configured to include an inclined surface 14 a continuous with the bulging portion 13. The inclined surface 14a is in the form of a skirt that protrudes to the inside of the cover member 3. In the present embodiment, since the bulging portion 13 is formed in a substantially quadrangular pyramid shape, three inclined surfaces 14a are provided as shown in FIG. In the present embodiment, the bulging portion 13 and the guide portion 14 are formed integrally with the case frame 7.

  By configuring the moisture introduction part 11 ′ in this way, in the remote control 1 shown in the present embodiment, when the water film W is formed in the microphone hole 9 by splashing the remote control 1 or the like, the water film W Is ruptured in contact with the bulging portion 13 of the moisture introducing portion 11 ′, and the water content of the torn water film W (and water droplets flowing into the microphone hole 9) travels through the guide portion 14 continuing to the bulging portion 13. It is introduced inside the cover member 3.

  Also in the present embodiment, a discharge portion (not shown) such as a discharge hole penetrating the case member 3 is formed at a position below the guide portion 14, and moisture entering the inside of the case member 3 is It is discharged outside through this discharge part.

Embodiment 3
Next, a third embodiment of the present invention will be described with reference to FIG.
The remote controller 1 shown in the third embodiment shows a modified example of the remote controller 1 shown in the first and second embodiments described above, and the configuration other than the modified part is the first and second embodiments. And in common. Accordingly, in the following description, parts having the same configurations as those of the first and second embodiments are denoted by the same reference numerals and description thereof is omitted.

  In the remote control 1 shown in the third embodiment, two modifications are added to the remote control 1 shown in the first and second embodiments described above. First, the first modification is a countermeasure when the water film W is formed in the microphone hole 9 in spite of the presence of the moisture introduction portions 11 and 11 ′. As a countermeasure, the remote control 1 of the present embodiment is used. In the cover member 3, the second microphone hole 15 is formed on a wall surface different from the wall surface (panel) provided with the microphone hole 9.

  The second microphone hole 15 constitutes a spare microphone hole when the microphone hole 9 is closed with the water film W, and is a wall surface close to the microphone hole 9 (wall surface close to the microphone 5). Is provided. In the first and second embodiments described above, the microphone hole 9 is provided in the left side surface 1d of the remote controller 1, so in the present embodiment, the second microphone hole 15 is formed as shown in FIG. In the case frame 7, a panel (wall surface) constituting the bottom surface 1c of the remote controller 1 is formed so as to penetrate therethrough.

  As described above, when the configuration in which the second microphone hole 15 is provided is adopted, the sound that has entered from the second microphone hole 15 easily reaches the microphone 5 between the second microphone hole 15 and the microphone 5. Thus, it is desirable to provide a space C for sound propagation in the remote control main body 2.

  In addition, by providing the second microphone hole 15 in the bottom surface 1c of the remote controller 1, the second microphone hole 15 can be used as a drainage unit for the moisture contained in the cover member 3 described above. .

  Next, the second modification is that water droplets or the like entering the cover member 3 from the joints of the upper surface 1b of the cover member 3 adhere to the microphone 5 (a water film is formed on the lustrous sheet 10). As a countermeasure against this, in the remote control 1 of the present embodiment, the bowl-shaped microphone protection unit 16 that prevents moisture from entering the microphone 5 from above into the space A between the microphone 5 and the microphone hole 9. Is provided.

  Specifically, in this embodiment, as a countermeasure against water droplets dripping onto the microphone 5 from above, a part of the component holding member 4 is extended above the microphone holder portion 4a as shown in FIG. 7B. A plate-like microphone protection unit 16 is formed. The microphone protection unit 16 is for receiving a water drop dripping from above and preventing the water drop from being applied to the microphone 5 (specifically, the sound guide hole 4b of the microphone holder part 4a). A slight gap D is formed between the tip of the microphone protection part 16 and the inner surface of the cover member 3, and the moisture of the water droplets received by the microphone protection part 16 is downward from the gap D. It comes to fall.

  This prevents the microphone 5 from picking up sound due to water droplets or the like entering the cover member 3 from the joints of the upper surface 1b of the cover member 3 or the like.

  Both the first modification and the second modification can be applied to both the remote control 1 shown in the first and second embodiments described above, and one of the first modification and the second modification. It is also possible to select and apply only.

  The above-described embodiments show preferred embodiments of the present invention, and the present invention is not limited to these, and various design changes can be made within the scope of the invention.

  For example, in the above-described embodiment, the case where the microphone hole 9 is disposed near the lower end of the left side surface of the remote control 1 has been shown. However, the height position of the microphone hole 9 can be changed as appropriate, and the microphone hole 9 The surface provided with can also be changed as appropriate.

  In the above-described third embodiment, the case where the second microphone hole 15 is provided on the bottom surface 1c of the remote controller 1 has been described. However, for example, the second microphone hole 15 may be provided on the front surface 1a (front panel 8) of the remote controller 1.

  Furthermore, in the above-described embodiment, the case where the present invention is applied to a remote controller for a bathroom of a hot water supply device has been described. However, the present invention can be applied to a remote controller for a kitchen and of course, to a remote controller other than a hot water supply device. Applicable.

DESCRIPTION OF SYMBOLS 1 Remote control 2 Remote control main body 3 Cover member 4 Component holding member 5 Microphone 6 Case main body 7 Case frame 8 Front panel 9 Microphone hole 11, 11 'Moisture introduction part 11a Opposing surface 13 Bulging part 14 Guide part 15 2nd microphone hole 16 Microphone protection part A Space between the microphone and the microphone hole

Claims (5)

In the remote control that has a microphone hole in the cover member that covers the remote control body with a built-in microphone,
A space is formed between the microphone and the microphone hole, and a moisture introduction portion that introduces the moisture into the cover member by contact with moisture attached to the microphone hole is provided in the space. And remote control.   The moisture introduction part has a facing surface facing the microphone hole, and has a structure for draining moisture introduced from the microphone hole through a gap formed between the facing surface and the inner surface of the cover member. The remote controller according to claim 1, wherein the remote controller is provided.   The moisture introducing portion guides moisture to the inside of the cover member continuously from the bulging portion that protrudes into the hole of the microphone hole at a position retracted inward from the outer end of the microphone hole. The remote controller according to claim 1, further comprising a guide unit.   4. The remote control according to claim 1, wherein the cover member has a second microphone hole formed on a wall surface different from the wall surface provided with the microphone hole. 5.   The space between the microphone and the microphone hole is provided with a bowl-shaped microphone protection portion that prevents moisture from entering the microphone from above. The listed remote control.

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