Indicator lamp

The indicator light enhances visibility and power efficiency by using a ring-shaped design with a translucent filler and reflector to indirectly guide light, addressing current limitations in brightness and visibility.

JP2025122109AActive Publication Date: 2025-08-20NOHMI BOSAI LTD
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Patent Information

Application Number
JP2025085261
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2014-03-24
Filing Date
2025-05-22
Publication Date
2025-08-20
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Conventional indicator lights increase brightness by adding more light-emitting diodes, which is limited by current constraints in firefighting equipment, leading to reduced brightness and inadequate visibility improvement.

Method used

The indicator light design features a ring-shaped light-emitting display unit with a translucent filler and a reflector to guide light indirectly, enhancing visibility without increasing the number or brightness of light sources, and arranges light sources to make side portions brighter than top and bottom portions.

Benefits of technology

Improves visibility and power efficiency by guiding light effectively through a translucent filler and reflector, ensuring reliable illumination of the indicator light even when viewed from angles, without the need for additional light sources.

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Abstract

To provide an indicator lamp capable of improving visibility without increasing the number of light-emitting sources or luminance in the indicator lamp having an annular luminous indication part.SOLUTION: An indicator lamp 37 is an indicator lamp 1 which is mounted on a mounting surface and indicates positions of disaster preventive apparatuses, and comprises a main body part 38 storing therein a substrate 17 on which a light-emitting element 15 is mounted and a luminous indication part 11 through which light emitted by the light-emitting element 15 is permeated. The luminous indication part 11 is ring-shaped, and a transmitter 3 including a push-button 31, a push-button storage part 33 and a transmitter main body 35 is stored at an inner peripheral side of the ring-shaped luminous indication part in a front view. A space part 14 at a back side of the luminous indication part 11 in which the substrate 17 is stored is filled with a semitransparent filler 39 so as to make the space part 14 full, and a reflector 25 is adhered so as to cover a transmitter mounting surface part 21 in a transmitter storage part 13.SELECTED DRAWING: Figure 10
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Description

[Technical Field]

[0001] The present invention relates to an indicator light that indicates the location of disaster prevention equipment such as a transmitter attached to an equipment storage box such as a fire hydrant box or a general panel. [Background technology]

[0002] As an example of a signal light, for example, Patent Document 1 (Design Registration No. 1460558) discloses the following: "An annular signal light body made of a red-colored semi-transparent material having a substantially rectangular opening in the center for attaching a transmitter; an annular mounting member that is detachably screwed onto the signal light body and is used to mount the signal light body to a fire hydrant storage box or the like; and an annular base that is clamped and fixed between the signal light body and the mounting member and has light-emitting diodes (LED lamps) attached at equal angles, so that the light from the light-emitting diodes arranged in the annular space of the signal light body is emitted in a ring shape in front and around" (Description of the article related to the design in Patent Document 1).

[0003] The above-mentioned indicator light has improved visibility by emitting light in a ring shape, and since a transmitter can be attached to the center, it is said that the area required for installation can be made smaller than in systems where the indicator light and transmitter are installed in separate locations. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Design Registration No. 1460558 Summary of the Invention [Problem to be solved by the invention]

[0005] The indicator light disclosed in Patent Document 1 attempts to improve visibility by arranging a large number of light-emitting diodes at equal intervals to illuminate an annular light-emitting display portion. Conventional indicator lights, including the one disclosed in Patent Document 1, focus on increasing the number of light-emitting diodes to increase the brightness (luminance) of the light-emitting display portion in order to improve visibility. However, in the case of a light-emitting display part that is a thin ring-shaped part, such as the indicator light described in Patent Document 1, simply increasing the brightness does not necessarily improve visibility. Furthermore, because firefighting equipment is connected to a large number of terminals, there is a limit to the amount of current that can be used, making it difficult to increase the current flowing through the equipment. Because of this limitation, increasing the number of light-emitting diodes in an indicator light simply reduces the brightness of each LED, and does not improve visibility.

[0006] The present invention has been made to solve such problems, and aims to provide an indicator light that can improve visibility without increasing the number or brightness of light-emitting sources when the light-emitting display part is circular. [Means for solving the problem]

[0007] (1-2) The indicator light according to the present invention is attached to a mounting surface to indicate the position of a disaster prevention device, a main body section that houses a board on which a light source is mounted and that includes a transmitter housing section that houses a transmitter having a push button, a push button storage section, and a transmitter main body section; and a light-emitting display section that transmits light emitted by the light source and is disposed on the outer periphery of the transmitter housed in the transmitter housing section, The light-emitting source is arranged on the rear side of the transmitter mounting surface in the transmitter accommodating section so as to be hidden by the transmitter mounting surface, and the light-emitting display section is configured so that indirect light from the light-emitting source is incident on it. (1-1) The indicator light according to the present invention is an indicator light that is attached to a mounting surface and indicates the position of a disaster prevention device, a main body that houses a board on which a light source is mounted, and a light-emitting display that transmits light emitted by the light source; the light-emitting display unit is formed in a ring shape, and has a transmitter accommodating section on the inner circumferential side of the ring-shaped light-emitting display unit in a front view, the transmitter having a push button, a push button storage section, and a transmitter main body section, and Furthermore, the space on the back side of the light-emitting display unit in which the substrate is housed is filled with a translucent filler material so as to fill the space, and a reflector is attached to cover the transmitter mounting surface in the transmitter housing unit. (1) The indicator light according to the present invention is an indicator light that is attached to an attachment surface and indicates the position of disaster prevention equipment, and has a main body that houses a substrate equipped with a light source, and a light-emitting display part that transmits light emitted by the light source, and the light-emitting display part is formed in a ring shape, and a transmitter having a push button, a push button storage part, and a transmitter main body part is housed on the inner periphery of the ring-shaped light-emitting display part when viewed from the front, The space on the rear side of the light-emitting display unit housing the substrate is filled with a semi-transparent filler material so as to fill the space.

[0008] (2) In addition, in the above (1), the front part of the transmitter is positioned further back than the light-emitting display part.

[0009] (3) In addition, in the above (1) or (2), the outer wall forming the space into which the filler is filled is made opaque.

[0010] (4) Furthermore, in any of the above (1) to (3), the light-emitting display unit is characterized in that the arrangement and / or brightness of the light source is set so that the two side portions of the ring glow brighter than the upper and lower portions.

[0011] (5) Furthermore, in any of the above (1) to (4), the light sources arranged on both sides are arranged so as to be closest to the light-emitting display unit than the other light sources. [Effects of the Invention]

[0012] In the present invention, the light-emitting display unit is formed in a ring shape, and a transmitter is arranged on the inner periphery of the ring-shaped light-emitting display unit when viewed from the front. Furthermore, a translucent filler is filled in the space on the back side of the light-emitting display unit, which houses a board on which a light source is mounted, so that the space is filled. As a result, the light from the light source can be efficiently guided to the light-emitting display unit by the light-guiding action of the translucent filler, causing the light-emitting display unit to glow, thereby improving visibility without increasing the number or brightness of the light sources. [Brief explanation of the drawings]

[0013] [Figure 1] 1 is an exploded perspective view of an indicator light according to an embodiment of the present invention; [Figure 2] 1 is a front view of an indicator light according to an embodiment of the present invention; [Figure 3] FIG. 3 is a cross-sectional view taken along the line AA in FIG. 2. [Figure 4] 1 is an explanatory diagram (part 1) illustrating the effect of a reflector of an indicator lamp according to an embodiment of the present invention. FIG. [Figure 5] 5 is an explanatory diagram (part 2) illustrating the effect of the reflector of the indicator lamp according to the embodiment of the present invention. FIG. [Figure 6] 1 is a perspective view of a transmitter housed in an indicator lamp according to an embodiment of the present invention; [Figure 7] 1 is a perspective view illustrating a state in which a transmitter is stored in an indicator light according to an embodiment of the present invention and the indicator light is attached to an attachment surface. FIG. [Figure 8] 1 is a front view of an indicator lamp according to an embodiment of the present invention in use; [Figure 9] FIG. 10 is an explanatory diagram of another aspect of the indicator light according to the embodiment of the present invention, and is a vertical cross-sectional view passing through the center of the indicator light in a state where the indicator light is attached to a mounting surface. [Figure 10] FIG. 6 is a cross-sectional view of an indicator lamp according to a second embodiment of the present invention. [Figure 11] 10 is an explanatory diagram of a portion to be filled with a filler material in an indicator lamp according to a second embodiment of the present invention. FIG. [Figure 12]10 is an explanatory diagram of another aspect of the indicator light according to the second embodiment of the present invention. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0014] [Embodiment 1] In this embodiment, an indicator light 1 that is attached to a wall surface 5 such as a housing of a fire hydrant facility as an attachment surface and that houses a transmitter 3 (see FIGS. 6 and 7) will be taken as an example. In the following, each component of the indicator light 1 will first be described in detail based on Figs. 1 to 5 with reference to other figures as appropriate, and then the transmitter 3 housed in the indicator light 1 will be described. In the following description, when the indicator light 1 is attached to the wall surface 5, the front side of the wall surface 5 is referred to as the front, and the back side of the wall surface 5 is referred to as the back and rear.

[0015] [Indicator light] As shown in Figure 1, the indicator light 1 has an outer wall portion 7 made of a substantially cylindrical body, a flange-shaped mounting portion 9 that protrudes outward from the outer surface of the front end side of the outer wall portion 7, a light-emitting display portion 11 formed in a ring shape on the inside of the front end side of the outer wall portion 7, and a transmitter accommodating portion 13 formed on the inside of the outer wall 7, continuous with the light-emitting display portion 11. As shown in Figure 3, a space 14 is formed between the outer peripheral wall 7 and the peripheral walls of the light-emitting display section 11 and transmitter accommodating section 13 formed inside it, and a substrate 17 on which a light-emitting element 15 is mounted is installed in this space 14. In this embodiment, the outer wall portion 7, the light-emitting display portion 11, and the transmitter accommodating portion 13 correspond to the main body portion of the present invention, but conversely, the main body portion of the present invention does not need to include all of these, and any shape is acceptable as long as it has the function of accommodating a light source.

[0016] <Outer wall> The outer peripheral wall portion 7 is formed of a translucent resin material in the shape of a substantially short cylinder.

[0017] <Mounting part> The mounting portion 9 is used to mount the indicator light 1 on the wall surface 5, and as mentioned above, is formed in the shape of a roughly square flange that protrudes outward from the outer peripheral surface of the front end side of the outer wall portion 7. As shown in FIGS. 1 and 2, the mounting portion 9 has four corners provided with screw holes 9a for mounting the indicator light 1 to the wall surface 5. The mounting portion 9 is provided with a ring-shaped standing piece 9b that frames the outer periphery of the light-emitting display portion 11. In other words, the ring-shaped standing piece 9b is provided on the outer periphery of the ring-shaped inclined surface that is the light-emitting display portion 11. When the indicator light 1 is attached to the wall surface 5, the standing piece 9b abuts against the edge of an opening provided in the wall surface 5 from the inside (see FIG. 3), and has the function of positioning (aligning) the indicator light 1.

[0018] <Light-emitting display> 1 to 3, the light-emitting display unit 11 is formed in a ring shape that slopes inward and toward the rear from the inner peripheral edge of the mounting portion 9. Note that in FIG. 2, the light-emitting display unit 11 is colored to clearly show it. As shown in Figure 3, the light-emitting display unit 11 does not protrude significantly from the wall surface 5 when the indicator light 1 is installed, so it will not be damaged by objects hitting it from the side, as is the case with conventional, general protruding indicator lights. The light-emitting display unit 11 is made of, for example, a red translucent material, and is configured to transmit light from a light-emitting element 15 (see FIG. 3) housed in the space portion 14, thereby shining brightly. The positional relationship between the light-emitting display unit 11 and the light-emitting element 15 will be described later.

[0019] <Transmitter housing> As shown in Figures 1 and 3, the transmitter accommodating section 13 is formed in a stepped shape from the inner periphery of the light-emitting display section 11 to the inner and rear side, and the bottom of the step forms a transmitter mounting surface section 21 (see Figures 1 and 2) for mounting the transmitter 3.

[0020] The transmitter mounting surface portion 21 is made of a light-transmitting material and has a flat surface with an opening in the center, and is provided with screw holes 21a on both sides for mounting the transmitter 3. A reflector 25 is attached to the transmitter mounting surface 21 so as to cover the entire surface of the transmitter mounting surface 21. By attaching the reflector 25, the light from the light-emitting element 15 is reflected by the reflector 25 and then diffused by the surface of the substrate 17, etc., and emitted to the outside as indirect light from the light-emitting display unit 11. In this way, by attaching the reflector 25, the light-emitting display unit 11 can be made to glow with indirect light, and the light-emitting display unit 11 can be made to glow brightly overall.

[0021] This point will be explained with reference to an example in Figures 4 and 5. Figure 4 shows a state in which the light-emitting element 15 is emitting light without a reflector 25 attached, and Figure 5 shows a state in which a reflector 25 is attached to the same as that shown in Figure 4. In Figure 4, the area where the light-emitting element 15 is located is shown in white. As shown in Figure 4, the light-emitting element 15 is arranged on the back side of the transmitter mounting surface 21. Therefore, if a reflector 25 is not attached to the transmitter mounting surface 21, the light from the light-emitting element 15 passes through the transmitter mounting surface 21 without being reflected, and does not contribute to illuminating the light-emitting display unit 11. On the other hand, when the reflector 25 is attached, the light reflected by the reflector 25 is incident on the light-emitting display unit 11 as indirect light, causing the light-emitting display unit 11 to shine brightly overall, improving visibility, as shown in Fig. 5. This ensures the necessary visibility even with a small number of light-emitting elements 15, thereby achieving a power-saving effect.

[0022] <Substrate> As shown in FIG. 1, the substrate 17 is formed of a circular plate with an opening in the center, and a plurality of light emitting elements 15 are arranged on the front side of the substrate 17 as light sources. As shown in FIG. 3, the substrate 17 is attached so that the front side faces the transmitter attachment surface portion 21. By attaching the substrate 17 in this manner, the light emitting element 15 is disposed in the space 14 so as to face the transmitter attachment surface 21 (see FIG. 2).

[0023] FIG. 2 is a front view of the indicator light 1 with the substrate 17 attached, and the light emitting element 15 on the substrate 17 is indicated by a broken line. The light-emitting elements 15 are arranged so that the light-emitting elements 15 closest to both the left and right ends of the substrate 17 are closer to the light-emitting display unit 11 than the other light-emitting elements 15, that is, on the outer periphery (see FIG. 2). In the example of FIG. 2, the light-emitting elements 15 on both the left and right ends are arranged so that a part of them overlaps the light-emitting display unit 11 when viewed from the front. By arranging the light-emitting elements 15 in this way, both side portions of the light-emitting display unit 11 are made to glow brighter than the upper and lower portions. The difference in brightness between the both side portions and the upper and lower portions improves visibility compared to when the light-emitting display unit is lit with a uniform brightness. Incidentally, making both side portions of the light-emitting display unit 11 light up more brightly than the upper and lower portions means that both side portions are relatively brighter than the upper and lower portions, and does not mean that both side portions are absolutely brighter. Also, both side portions are a concept to distinguish them from the upper and lower portions, and do not strictly specify regions.

[0024] The transmitter 3 is installed at a certain height (80 to 150 cm from the floor), and the indicator light 1, which is installed integrally with the transmitter 3, is also installed at the same height. In other words, the indicator light 1 is installed at a position close to a person's eye level. When the indicator light 1 installed at such a height is viewed from near the wall on which it is installed, that is, at a shallow angle, the front side of the light-emitting display unit 11 is not visible, but the back side is always visible (see Figure 7). Therefore, by brightly illuminating both sides of the light-emitting display unit 11, the indicator light 1 can be reliably viewed even when the indicator light 1 is attached to the wall surface 5 and viewed from an angle along the wall surface 5. Furthermore, since both sides of the light-emitting display section 11 are brightly lit, the top and bottom of the light-emitting display section 11 are relatively dark, which brings about a change in the way the light-emitting display section 11 lights up, thereby also improving visibility.

[0025] [Transmitter] Next, the transmitter 3 housed in the transmitter housing portion 13 of the above-mentioned indicator lamp 1 will be described below with reference to FIGS. As shown in Figure 6, the transmitter 3 has a push button 31 that transmits a fire signal when pressed, a circular push button storage section 33, and a transmitter main body section 35 formed on the back side of the push button storage section 33.

[0026] The push button storage section 33 is provided with a telephone jack window door 33a that can be opened and closed to cover a telephone jack (not shown) that is provided inside the push button storage section 33 and to which a handset is connected. The transmitter main body 35 is box-shaped and houses a switch (not shown) that operates in conjunction with the push button 31 inside.

[0027] 7, when the transmitter 3 is accommodated in the transmitter accommodating section 13 of the indicator light 1, it is arranged so as to be surrounded by the light-emitting display section 11 and so as to be approximately flush with the inner peripheral edge of the light-emitting display section 11. In this state, the light-emitting display section 11 of the indicator light 1 lights up, thereby indicating the position of the transmitter 3.

[0028] The effects of the indicator lamp 1 configured as above when in use (when the transmitter 3 is housed and the light-emitting indicator 11 is illuminated) will be described with reference to FIG. As shown in FIG. 8, the light-emitting display part 11 of the indicator light 1 normally lights up brightly and indicates the position of the transmitter 3 (disaster prevention equipment).

[0029] As mentioned above, the sides of the light-emitting display unit 11 glow brighter than the top and bottom, so the indicator light 1 can be seen reliably even when viewed from an angle along the wall surface 5. Furthermore, the sides of the light-emitting display unit 11 are brighter than the top and bottom, and the way the ring-shaped light-emitting display unit 11 glows changes, so when a person moves and looks at the indicator light 1, the position of their line of sight changes, which changes the angle at which they view the indicator light 1, and accordingly the visible area of the sides and top and bottom of the light-emitting display unit 11 changes. This changes the way the indicator light 1 looks, making it more visible.

[0030] Furthermore, the light-emitting display portion 11 has an inclined surface that slopes toward the center, so that it has excellent visibility from the front as shown in FIG. 2, and also from the side as shown in FIG. In addition, in this example, the transmitter 3 is installed within the ring of the ring-shaped light-emitting display unit 11, and since it has an inclined surface as described above, the light-emitting display unit 11 can illuminate the push button 31 of the transmitter 3, making it easy to operate the transmitter 3 and connect the handset to the telephone jack even in a dark place. Furthermore, the indicator light 1 does not have any portion that protrudes significantly from the wall surface 5, and is therefore not subject to damage from objects striking it from the side, as is the case with conventional, general protruding type indicator lights 1.

[0031] In the above explanation, an example has been shown in which the light-emitting element 15 is arranged facing the front of the indicator light 1 as shown in Fig. 3, but the arrangement of the light-emitting element 15 is not limited to this. For example, as shown in Fig. 9, the light-emitting element 15 may be arranged facing the center of the indicator light 1, and by arranging it in this manner, the visibility of the indicator light 1 from the side can be increased. In Fig. 9, the same components as those in Fig. 3 are given the same reference numerals. Alternatively, the light-emitting elements 15 may be arranged in a mixed manner, with some facing the front side and others facing the center of the indicator light 1. In either case, however, the light-emitting elements 15 arranged on both sides are arranged so as to be closer to the light-emitting display unit 11 than the other light-emitting elements 15, as in the case shown in Figure 3.

[0032] In the above explanation, the light-emitting elements 15 on both sides of the light-emitting display unit 11 are arranged so as to be closest to the light-emitting display unit 11 compared to the other light-emitting elements 15 in order to make the sides of the light-emitting display unit 11 light up more brightly than the top and bottom, but as another method for making the sides of the light-emitting display unit 11 light up more brightly than the top and bottom, for example, the distances of the light-emitting elements 15 to the light-emitting display unit 11 may be equalized, and the brightness of the light-emitting elements 15 on both sides may be set higher than those on the top and bottom. Alternatively, both the arrangement and brightness of the light-emitting elements 15 may be adjusted. Furthermore, the light emitting elements 15 may not be arranged above and below the light emitting display section 11 so that the upper and lower parts are relatively dark. Furthermore, a reflective material may be attached to the outer peripheral surface of the outer peripheral wall portion 7 so as to reflect light toward the inner peripheral side. By doing so, the light emitted from the light emitting element 15 and the light reflected by the reflective material will not pass through the outer peripheral wall portion 7 and escape to the back side of the wall surface 5, allowing the light emitting display portion 11 to emit light efficiently. In addition, by attaching a reflecting material to the top and bottom surfaces of the light emitting display part 11, the light from the light emitting element 15 that is directed towards the top and bottom surfaces is also diffused, so that the top and bottom surfaces are not illuminated and only the sides are illuminated more strongly.

[0033] Furthermore, although a circular ring is shown as an example of the light-emitting display unit 11, the light-emitting display unit 11 of the present invention is not limited to a circular ring as long as it is ring-shaped, and may be, for example, a rectangular ring or a polygonal ring.

[0034] The translucent material constituting the light-emitting display unit 11 is not limited to red. The light-emitting display unit 11 may be made of a colorless, transparent translucent material. In this case, by using a red LED as the light-emitting element 15, the light-emitting display unit 11 will be displayed in red.

[0035] In the above explanation, an example has been shown in which the transmitter accommodating section 13 is provided inside the ring of the light-emitting display section 11 and the transmitter 3 is accommodated therein, but the transmitter 3 may be provided outside the indicator light 1. In this case, instead of the transmitter 3, a red disc that covers the inside of the ring of the light-emitting display section 11 may be provided inside the ring of the light-emitting display section 11. In this way, the indicator light of the present invention can be configured as an indicator light 1 integrated with the transmitter 3, or as an indicator light separate from the transmitter 3, and these can be selected appropriately depending on the situation.

[0036] [Embodiment 2] 10 and 11 are explanatory diagrams of an indicator lamp 37 according to a second embodiment of the present invention, and the same parts as those in the first embodiment are given the same reference numerals. As in embodiment 1, the indicator light 37 of this embodiment has a main body 38 that houses a substrate 17 equipped with a light-emitting element 15 as a light source, and a light-emitting display unit 11 that transmits light emitted by the light source and emits light.The light-emitting display unit 11 is formed in a ring shape, and a transmitter 3 is arranged in a region surrounded by the ring-shaped light-emitting display unit 11 (i.e., on the inner side of the light-emitting display unit 11 when viewed from the front).

[0037] A translucent filler 39 is filled in the space 14 (see FIG. 11) that houses the substrate 17 on the rear side of the light-emitting display unit 11 so as to fill the space 14 (see FIG. 10).

[0038] For example, polyurethane or silicone can be used as filler 39. The functions of filler 39 include waterproofing substrate 17, acting as a light guide to guide light from light-emitting element 15 to light-emitting display unit 11, and transmitting light through filler 39, spreading the light throughout filler 39 and acting as indirect light. In order to achieve this light diffusion function, filler 39 needs to be translucent, and preferably is, for example, milky white. Furthermore, by covering the heat-generating light-emitting element 15 and the like with the filler 39, the generated heat is conducted to the filler 39, and therefore the filler 39 also has a heat dissipation effect.

[0039] As shown in Figure 10, the front part of the transmitter 3 (the surface of the push button storage section 33) is located further back than the light-emitting display section 11, and when the light-emitting element 15 is lit, the light-emitting display section 11, which is located further forward than the transmitter 3, lights up.Therefore, even when looking at the indicator light 37 from an angle, the light-emitting display section 11 can be seen without being obstructed by the transmitter 3, and the light-emitting display section 11 can be seen reliably. Furthermore, when the indicator light 37 is viewed obliquely while installed on the wall surface 5, the light-emitting display unit 11 on the side opposite to the viewer's side can be seen. In this regard, the appearance is different from that of the indicator light in Patent Document 1 (Design Registration No. 1460558), in which the front face of the transmitter located inside the ring protrudes further than the ring-shaped indicator light body, and therefore only the side facing the viewer is visible.

[0040] By filling the space with filler 39, the light from light-emitting element 15 spreads throughout the filler 39, so the arrangement of light-emitting element 15 does not necessarily have to be as in embodiment 1. However, by arranging light-emitting element 15 in the same manner as in embodiment 1, as shown in embodiment 1, when a person looks at indicator light 37 while moving, the appearance of indicator light 37 changes, and the effect of improving visibility can be achieved.

[0041] The light-emitting display unit 11 may have a downwardly extending surface that extends downward toward the rear side as shown in FIG. 12, instead of an inclined surface as in the first embodiment. Even if the light-emitting display unit 11 has a hanging surface that is not inclined, by setting the depth of the hanging surface to be deeper than the thickness of the push button storage unit 33 of the transmitter 3 when the transmitter 3 is stored, as shown in Fig. 12, the front surface of the push button storage unit 33 of the transmitter 3 is positioned further back than the light-emitting display unit 11, and the upper part of the hanging surface is exposed. Therefore, when the light-emitting element 15 is lit, the hanging surface lights up, and the light-emitting display unit 11 can be seen without being obstructed by the transmitter 3 even when the indicator lamp 37 is viewed from an angle, and the light-emitting display unit 11 can be seen reliably. Furthermore, by forming the light-emitting display unit 11 as a downwardly extending surface that hangs down toward the rear side, the ring-shaped light-emitting display unit 11 does not expand outward in the radial direction of the ring, which has the effect of making the overall shape compact.

[0042] As explained in the first embodiment, for example, a reflective material may be attached to the outer peripheral surface of the outer peripheral wall portion 7 to make the outer peripheral wall portion 7 opaque, thereby reflecting light toward the inner peripheral side. This prevents the light emitted from the light-emitting element 15 from passing through the outer peripheral wall portion 7 and escaping to the back side of the wall surface 5, allowing the light-emitting display portion 11 to emit light efficiently. In addition to attaching a reflective material, the outer peripheral wall portion 7 may be made opaque by covering it with a cover that is opaque and highly reflective. The cover may be made of, for example, a white resin. [Explanation of symbols]

[0043] 1 Indicator light 3 Transmitters 5 Wall 7 Outer wall 9 Mounting part 9a screw hole 9b Standing section 11 Illuminated display 13 Transmitter housing 14 Space section 15 Light-emitting element 17 PCB 21 Transmitter mounting surface 21a screw hole 25 Reflector 31 Push Button 33 Push button storage section 33a Telephone jack window 35 Transmitter main body 37 Indicator light (embodiment 2) 38 Main body 39 Filling material

Claims

[Claim 1] A transmitter-integrated indicator light that is attached to a mounting surface and displays the location of disaster prevention equipment, a light-emitting display section disposed on the outer periphery of the transmitter and illuminating by transmitting light emitted by the light source; The light-emitting display unit has upper and lower surfaces that do not emit light, An indicator light characterized in that an outer wall portion forming a space on the rear side of the light-emitting indicator portion is made opaque.

Citation Information

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