JP3144972U - Indicator light - Google Patents

Abstract

The present invention provides a simple and simple indicator lamp as compared with a conventional indicator lamp that requires an external power source for lighting driving.
An indicator lamp includes a case, a cap attached to the case, a battery mounting portion provided on a bottom portion of the case, and further includes a case in which a light emitting diode or the like is mounted. A base member 4 rotatably connected, a plurality of light emitting diodes L1 to L8 mounted on the base member 4, a light emitting diode driving circuit DC mounted on the base member, and a light reflecting light emitter mounted on the base member. 5 etc. are included.
[Selection] Figure 8

Description

  The present invention relates to an indicator lamp that can be used in various fields.

  Various types of indicator lamps are known. Among them, a light-emitting diode is used as a light source, and a plurality of the light-emitting diodes are arranged so that each light-emitting diode is controlled to be turned on and off to display a desired light display. There are indicator lights that can be used.

  For example, in Design Registration No. 1311390, a plurality of light-emitting diodes are arranged and supported in a ring shape, and a substrate that supports a light-reflecting light emitter disposed above the light-emitting diode group is stored in a case with an upper end opening. A light-emitting diode lighting control unit is provided inside or outside the case so that power can be supplied to the control unit from the outside of the case with a power cord, and the light-emitting diode group and the light reflection above the light-emitting diode group at the upper end of the case An indicator lamp with a light-transmitting cap covering the light emitter is described.

  According to this indicator lamp, power is supplied from the outside of the case to the light emitting diode lighting control unit via the power cord, so that the light emitting diode lights up in a predetermined pattern under the lighting control by the control unit. The light is incident on the light-reflecting light emitter, emitted from the light-reflecting light emitter by a combination of refraction and reflection by the light-reflecting light emitter, and further emitted to the outside through the cap. This light can be visually recognized from the outside of the cap.

Design Registration No. 1311390

  However, since such an indicator lamp itself does not have a power source, it can be used only in a place where power can be supplied from a commercial power source or the like, and can be supplied with power from a commercial power source or the like. Even so, the power cord for receiving power from the power source may interfere with the installation of the indicator lamp. For these reasons, the conventional display or the like is not always simple and simple.

  Therefore, an object of the present invention is to provide a simple and simple indicator lamp as compared with a conventional indicator lamp that requires an external power source for lighting driving.

The present invention solves the above problems,
A case having a top mounting portion and a bottom mounting portion for mounting an indicator lamp to an indicator lamp installation target location;
A battery mounting portion provided in the case and capable of replacing the battery in a replaceable manner;
A base member connected to the case so as to be opened and closed between a closed position that covers the battery mounting portion and an open position that opens the battery mounting portion in a region including the upper end opening of the case;
A plurality of light emitting diodes mounted on the base member;
A light emitting diode driving circuit mounted on the base member and driving the light emitting diode with an output of a battery mounted on the battery mounting portion;
A power switch that is operatively attached to the case from the outside of the case and electrically connects and separates the battery mounting portion and the light emitting diode drive circuit;
A transparent light reflecting and emitting body disposed above the light emitting diode and supported by the base member;
A light-transmitting cap that can be removably attached to the case so as to close the upper end opening of the case so as to cover the light-reflecting light emitter and the light-emitting diode in a state where the base member is in the closed position. Provide an indicator light containing and.

  According to this indicator light, the cap is removed from the case, the base member is opened to open the battery mounting part in the case, the battery is mounted to the battery mounting part, or the battery that has already been mounted to the battery mounting part is removed. Replace the base member with a new one, then close the base member to the closed position, attach the cap to the case, and place it at the place where the indicator light is to be installed. It can be used by attaching to the place where the indicator light is installed.

  Here, the “indicator installation target location” refers to the interior and exterior of various vehicles, the top, side and bottom surfaces of various components in factories, the inner and outer walls of the building, the ceiling wall inside the building, etc. There are various places where indicator lights may be requested.

In turning on the light emitting diode, the power switch is turned on (the battery mounting portion and the light emitting diode driving circuit are electrically connected by the power switch), and power is supplied from the battery to the light emitting diode driving circuit.
The light emitting diode is controlled and lit with a lighting pattern set in advance in the drive circuit.

  Light emitted from the light emitting diode is incident on the light-reflecting light emitter, emitted from the light-reflecting light emitter, and further emitted to the outside through the light-transmitting cap. This light can be visually recognized from the outside of the cap.

  The light emitting diode can be turned off by turning off the power switch (by electrically separating the battery mounting portion and the light emitting diode driving circuit with the power switch).

According to the indicator lamp according to the present invention, since a battery that is replaceably attached to the battery mounting portion in the case of the indicator lamp itself is used as a power source, an external power source for driving the light emitting diode is unnecessary and the LED driving circuit is used. A power cord for supplying an external power output is also unnecessary.
If a battery is attached to the battery attachment portion, the light emitting diode can be turned on.

Therefore, the indicator lamp according to the present invention can be used in a place where power cannot be supplied from an external power source such as a commercial power source, and a power cord for receiving power from the external power source is not necessary. The power cord does not interfere with the installation of the indicator light.
Accordingly, the indicator lamp according to the present invention is simpler and simpler than a conventional indicator lamp that requires an external power source for lighting driving.

  In addition, in the indicator lamp according to the present invention, when replacing the battery, the cap is removed from the case, the battery mounting part in the case is opened with the base member in the open position, and the battery mounting part is replaced in that state. After that, since it is sufficient to close the base member to the closed position and attach the cap to the case, the battery can be easily replaced. In this respect as well, the display lamp is simple and simple.

  In the indicator lamp according to the present invention, for example, the case is formed so as to be impermeable to water except a portion where the upper end opening and the power switch are attached, and the case portion where the power switch is attached has a waterproof cover. The waterproof cover can be flexible so that the power switch can be operated with the cover interposed from the outside of the cover.

  Further, the light-transmitting cap is attached to the case in a water-tight manner with a water-tight seal member interposed between the light-transmitting cap and the case sandwiched between the case and the case. Also good.

  In this way, the case portion to which the power switch is attached is covered with a waterproof cover, and (or) the light-transmitting cap is attached to the case in a watertight state with the watertight seal member sandwiched between the case and the case. By doing so, it can be used as a waterproof indicator lamp even in the rain or in a humid atmosphere.

  As the bottom mounting portion of the case, for example, a hooking portion that can be hooked on an indicator lamp hooking member provided in the indicator lamp installation target location, and the indicator lamp installation target location when the magnet lamp can be attracted to the location. The thing containing the magnet which can be attracted | sucked can be mentioned.

  Since the case bottom mounting portion is provided with the hook portion and the magnet in this manner, the range of the indicator lamp installation target location is widened in terms of the material of the location, and the indicator lamp can be easily installed at the location.

With respect to the base member, for example, a closed position that covers the battery mounting portion by being connected to the case at one end of the base member so as to be rotatable up and down in an area including the upper end opening of the case, and It is possible to reciprocate up and down between the open position where the battery mounting portion is opened.
A holding device that holds the base member in the closed position may be provided in the case.

Examples of the arrangement state of the light emitting diodes include a case where the light emitting diodes are mounted in an annular arrangement on the base member. Moreover, the light emitting diode can illustrate the case where the optical axis is directed to the light reflecting and emitting material above the light emitting diode.
In the case where the light emitting diodes are arranged in a ring shape, the light reflecting and emitting material can be exemplified as being supported by the base member via a support column at the center.

  A plurality of blocks are arranged radially around the support column at equal central angular intervals, and the plurality of blocks are integrally formed, and each block has a lower end. A flat outer surface rising from the upper end of the outer surface to the support column, an upper end surface having a trapezoidal shape when viewed from the plane, and a bottom surface having a triangular section extending from the lower end of the outer surface to the support column The thing which has the groove part of the side can be illustrated.

  For the light emitting diode driving circuit, for example, the light emitting diode is turned on with a lighting pattern selected by a lighting pattern selection switch included in the driving circuit from a plurality of light emitting diode lighting patterns preset in the driving circuit. List what you want to control.

  The light emitting diode driving circuit may include a photodetection circuit. In this case, when the photodetection circuit detects a light amount equal to or greater than a predetermined light amount, the light emitting diode is allowed to turn on and is detected by the photodetection circuit. If the light amount is less than the predetermined light amount, the light emitting diode may not be allowed to turn on.

  As described above, according to the present invention, a simple and simple display lamp can be provided as compared with a conventional display lamp that requires an external power source for lighting driving.

Hereinafter, an example of an indicator lamp according to the present invention will be described with reference to the drawings.
FIG. 1 is a front view of an example of an indicator lamp (indicator lamp A) according to the present invention. FIG. 2 is a bottom view of the indicator lamp A. FIG. FIG. 3 is a front view of the state in which the cap 2 of the indicator lamp A is removed and the two light emitting diodes on the front side are omitted. 4-7 is a figure which shows the light reflection light emitter 5 mentioned later. FIG. 8 is a perspective view of a state in which the cap 2 of the indicator lamp A is removed, and FIG. 9 is a perspective view of a state in which a base member 4 described later is opened to the open position in the same state. FIG. 10 is a circuit diagram showing a light emitting diode driving circuit and the like mounted on the base member 4.

  The indicator lamp A includes a case 1, a cap 2 attached to the case 1, and a battery mounting portion 3 (see FIG. 8) provided at the bottom of the case 1, and further includes a light emitting diode or the like. A base member 4 rotatably connected to the case 1, a plurality of light emitting diodes L1 to L8 mounted on the base member 4, a light emitting diode driving circuit DC mounted on the base member, and a light reflection mounted on the base member. The light emitter 5 and the like are included.

  In this example, the case 1 is a circular case when viewed from above or below, and has a circular opening 11 at the upper end, and a male threaded portion 111 for mounting the cap 2 is formed on the outer periphery of the opening 11. ing. A ring seal member 112 for watertight sealing is fitted to the lower end of the male screw portion 111.

  As shown in FIG. 2, the case 1 has a bottom mounting portion 12. The bottom mounting portion 12 is for attaching the indicator lamp A to the indicator lamp installation target location. In this example, the bottom fixture 12 is hooked on an indicator lamp hooking member (for example, a screw, a nail, etc.) that may be provided in the indicator lamp installation target location. When the indicator lamp installation target place is a place where the magnet can be attracted, a hook 122 that can be attracted to the place is included.

  A power switch (on / off switch) that is attached to the case 1 so as to be operable from the outside of the case and electrically connects or disconnects the battery mounting part 3 and the light emitting diode drive circuit DC on the base member 4 to the case 1 SW1 is also provided.

  The case 1 is formed so as to be impermeable to water except for a portion where the upper end opening 11 and the power switch SW1 are attached, and the case portion where the power switch SW1 is attached is covered with a waterproof cover 13. The case 1 is formed of a non-water-permeable synthetic resin here, although not limited thereto.

  Further description of the waterproof cover 13 and the like will be described below. The main body of the switch SW1 is housed in the case 1 (see FIG. 9), but as shown in FIG. Projects outward. The waterproof cover 13 is applied to the outer peripheral wall surface of the case so as to cover the protruding switch operation unit SW11, and the presser plate 14 is fixed from above with a screw s1.

  Although not limited thereto, the waterproof cover 13 is made of a non-water-permeable flexible synthetic resin, and the power switch operation unit SW11 can be turned on and off with the cover interposed from the outside of the cover 13. .

  The cap 2 is a light-transmitting cap, and includes upper and lower portions 21 and 22 formed integrally as shown in FIG. Here, the cap 2 is made of a transparent synthetic resin. The cap 2 does not have to be a transparent body through which the inside can be seen.

  The upper half 21 and the lower half 22 of the cap 2 both have a circular shape when viewed from above or below, but the lower half 22 is formed to have a larger diameter than the upper half 21. A female screw portion 221 that can be screwed into a male screw portion 111 on the outer periphery of the upper end opening of the case is formed on the inner peripheral surface of the case 22 (see FIG. 3). Thus, the cap 2 can be detachably screwed to the case 1. Furthermore, the watertight seal member 112 is attached to the case in a state of being sandwiched between the case 1 and the case 1.

  By adopting such (waterproof cover 13 for power switch SW1) and (seal member 112 between cap 2 and case 1), etc., the indicator lamp A can be used in the rain or in a humid atmosphere. It is an indicator light.

  The battery mounting part 3 in the case 1 can mount two AA batteries BT in a serial connection state in this example, and can be replaced.

  As shown in FIGS. 8 and 9, the base member 4 includes a substrate 41 on which the light emitting diodes L1 to L8 and the light emitting diode driving circuit DC are mounted, and a support member 42 (here, a plate-like support member) that supports the substrate 41. Contains. The substrate 41 is placed over the support member 42 and fixed with screws s2.

  The base member 4 is connected to a pair of support columns 15 rising from the bottom of the case so as to be rotatable at both end portions of one end portion 421 of the support member 42. Thereby, the base member 4 can reciprocate up and down between a closed position that covers the battery mounting portion 3 and an open position that opens the battery mounting portion 3 upward.

  In the closed position, the other end 422 of the support member 42 contacts the case stopper 16, and in this state, the locking member 17 in the case is locked to the other end 422 to close the base member 4. Hold in position. Here, the stopper 16 and the locking member 17 constitute a holding device for the base member 4.

  The locking member 17 is a cantilever-like member whose lower end is supported by the case 1, and can be manually detached from the other end 422 of the supporting member against its elasticity, so that as shown in FIG. The base member 4 can be opened. By closing the opened base member 4 to the stopper 16 side, the support member is pushed outward by the other end 422 of the support member, and then restored by an elastic restoring force to be engaged with the other end 422.

  Here, the light emitting diodes L1 to L8 emit white light, and are mounted on the substrate 41 in a ring shape. Each light emitting diode is a so-called bullet-type light emitting diode whose optical axis is directed to the light reflecting and emitting body 5 above the light emitting diode group.

  The light reflecting and emitting body 5 may be one using a reflecting mirror or the like, but here is made of a transparent synthetic resin. The light reflecting and emitting body 5 is mounted on the base member 4 using a support column 50 formed integrally therewith at the center thereof. The column 50 penetrates the substrate 41 and reaches the support member 42, and is fixed to the member 42 with a screw s3 (see FIG. 3). In the figure, reference numeral 50a denotes a protrusion at the lower end of the column part, which is fitted in a positioning recess (not shown) formed in the support member 42.

  FIG. 4 is a front view of the light reflecting and emitting body 5. FIG. 5 is a plan view of the light-reflecting light emitter 5, and the light-emitting diode is also indicated by a chain line for reference. FIG. 6 is a bottom view of the light reflecting and emitting body 5, and FIG. 7 is a cross-sectional view of the light reflecting and emitting body 5 along the line XX of FIG.

  The light reflecting and emitting body 5 is formed by arranging a plurality of blocks b radially around the supporting column 50 at equal central angular intervals, and integrating the plurality of blocks b together with the supporting column 50. Each block b rises from the lower end to the upper end with a slight inclination (about 2 ° in this example) toward the support column 50, and is inclined downward from the upper end of the outer surface a1 toward the support column. When viewed, the upper end surface a2 having a trapezoidal shape and a groove portion a3 on the bottom side of a triangular section extending from the lower end of the outer side surface a1 toward the support column 50 are provided.

  The cap 2 can be removed from the case 1 so as to cover the light reflecting and emitting body 5 and the annular array light emitting diodes L1 to L8 and close the case upper end opening 11 with the base member 4 in the closed position. It can be installed.

As shown in FIG. 10, the light emitting diode drive circuit DC includes a microcomputer MP and a transistor array TAr for controlling the light emitting diodes L1 to L8 to be turned on / off based on instructions from the computer MP.
The light emitting diode drive circuit DC operates by turning on the power switch SW1 to input the output of the battery BT mounted on the battery mounting portion 3 to the circuit DC via the switch SW1.

  At this time, each of the light emitting diodes L1 to L8 is controlled to be lighted with a lighting pattern selected in advance from a plurality of light emitting diode lighting patterns preset in the microcomputer MP. The light emitting diode lighting pattern can be selected in advance by manually switching the lighting pattern selection switch SW2 included in the drive circuit DC.

Here, as the lighting pattern, a pattern in which the light-emitting diodes L1 to L8 repeatedly blink simultaneously and a pattern in which two adjacent light-emitting diodes are sequentially turned on so as to look like a rotating lamp are set.
At the position (open position) of the switch SW2 shown in FIG. 8 and FIG. 10, the light emitting diodes L1 to L8 repeatedly flash simultaneously, and when the switch SW2 is placed at the closed position, it is lit like a rotating lamp.

  The latter is controlled as follows, for example. That is, for example, when L1 and L2 are initially turned on, the other lights are turned off → After L2 and L3 are turned on, the other lights are turned off → After L3 and L4 are turned on, the other lights are turned off. Others extinguish when L5 is lit → L5 and L6 are lit after a predetermined time elapses → Others are extinguished when L6 and L7 are lit after a lapse of a predetermined time → Repeatedly turning off things.

  Even if the power switch SW1 is set to the on state (closed position), the light emitting diodes L1 to L8 may be turned on or off according to the brightness around the indicator lamp A.

  For this purpose, for example, as shown in FIG. 10, the drive circuit DC is provided with a light detection circuit PH including a light detection sensor (here, a phototransistor), and when the light detection sensor detects a light amount greater than a predetermined light amount, If the light emitting diode is allowed to be turned on and the light amount detected by the light detection sensor is smaller than the predetermined light amount, the circuit PH may not be allowed to turn on the light emitting diode.

In FIG. 10, the junction J1 adjacent to the circuit PH is used when the circuit PH is not used, and is not used when the circuit PH is used.
When the circuit PH is employed, a sensitivity adjustment element capable of adjusting the sensitivity to the light amount may be combined with the circuit PH in order to adjust the amount of light to start the operation of the indicator lamp A.

  In the indicator lamp A described above, the cap 2 is removed from the case 1, the base member 4 is opened to open the in-case battery mounting portion 3, and the battery BT is mounted there, or a battery that has already been mounted. The base member 4 can be closed to a closed position, and the cap 2 can be attached to the case 1 for use.

  FIG. 11 is a diagram showing an installation example of the indicator lamp A, FIG. 11A is an example of use when the indicator lamp installation target location includes a surface S facing upward, and FIG. 11B is an indicator lamp installation target. FIG. 11C shows an example of use when the place includes a surface S ′ facing downward, and FIG. 11C shows an example of use when the indicator lamp installation target place includes an elevation surface S ″.

As shown in FIG. 11A, when the indicator lamp installation target location includes the surface S facing upward, the indicator lamp A may simply be placed on the surface S, but the bottom mounting portion 12 of the case 1 may be used as necessary. You may attach to the surface S using the hook part 121 of this and / or the magnet 122. FIG.
In the case of FIG. 11 (B) or FIG. 11 (C), the hooks 121 and / or magnets 122 of the bottom mounting portion 12 of the case 1 may be used to attach the surface S ′ or the surface S ″.
Thus, the indicator lamp A can be used in a simple manner corresponding to various installation target locations, and is simple.

In turning on the light emitting diodes L1 to L8, the power switch SW1 is turned on to supply power to the light emitting diode driving circuit DC on the base member 4 from the battery BT.
As described above, the light-emitting diodes L1 to L8 are set in advance in the drive circuit DC, and are controlled and lighted in the lighting pattern selected by the selection switch SW2.

  Light emitted from the light emitting diodes L1 to L8 is incident on the light-reflecting light emitter 5, refracted and reflected to be emitted from the light-reflecting light emitter with high visibility, and further passes through the light-transmitting cap 2 to the outside. Is released. This light can be visually recognized from the outside of the cap. Thus, the indicator lamp A can be used with good visibility in various fields.

  The light emitting diodes L1 to L8 can be turned off by turning off the power switch SW1.

According to the indicator lamp A, since the battery BT that is replaceably attached to the battery mounting portion 3 in the case of the indicator lamp itself is used as a power source, an external power source for driving the light emitting diode is unnecessary and external to the light emitting diode driving circuit. A power cord for supplying power output is also unnecessary.
If the battery BT is mounted on the battery mounting portion 3, the light emitting diodes L1 to L8 can be turned on.

Therefore, the indicator lamp A can be used in a place where power cannot be supplied from an external power source such as a commercial power source, and a power cord for receiving power from the external power source is not required. There will be no hindrance to the installation of indicator lights.
Accordingly, the indicator lamp A is simpler and simpler than a conventional indicator lamp that requires an external power source for lighting driving.

  In the indicator lamp A, when the battery is replaced, the cap 2 is removed from the case 1, the base member 4 is opened to open the battery mounting part 3 in the case, and the battery mounting part is replaced with the battery in that state. After that, it is sufficient to close the base member 4 to the closed position and attach the cap 2 to the case 1, so that the battery can be easily replaced. In this respect, the display lamp is simple and simple.

  In the indicator lamp A described above, all the light emitting diodes emit white light. However, various emission colors of the light emitting diodes can be adopted depending on the application of the indicator lamp A and the like. The cap 3 can be colorless and transparent, colored, or the like depending on the use of the indicator lamp or the emission color of the light emitting diode.

  In the indicator lamp A described above, there are only two types of lighting patterns of the light emitting diodes. However, it is possible to set different or more various lighting patterns in the drive circuit DC. Yes, it can be used as a warning light, a notification light for notifying something, etc. depending on the color of the cap 2, the light emission color of each light emitting diode and the lighting control of the light emitting diode, or decorations such as stores, exhibition products, amusement park playground equipment, etc. It can also be used as an indicator light.

  The present invention can be used to provide indicator lights that can be used in various fields.

It is a front view of the example of the indicator lamp which concerns on this invention. It is a bottom view of the indicator light of FIG. It is a front view of the state which removed the cap in the indicator lamp shown in FIG. 1, and abbreviate | omitted two light emitting diodes of the front side. It is a front view of a light reflection light-emitting body. It is a top view of a light reflection light-emitting body, and the light emitting diode is also shown with the chain line. It is a bottom view of a light reflection light emitter. FIG. 6 is a cross-sectional view of a light reflecting and emitting body along the line XX in FIG. 5. It is a perspective view of the state which removed the cap of the indicator lamp shown in FIG. It is the perspective view of the state which removed the cap of the indicator light shown in FIG. 1, and opened the base member to the open position. It is a circuit diagram which shows the light emitting diode drive circuit etc. which were mounted in the base member. It is a figure which shows the usage example of an indicator lamp, FIG. 11 (A) is a usage example when the indicator lamp installation object place contains the surface S which faces upwards, FIG. 11 (B) shows the indicator lamp installation object place below. FIG. 11C shows an example of use when the facing surface S ′ is included, and FIG. 11C shows an example of use when the indicator light installation target location includes the elevation surface S ″.

Explanation of symbols

A Indicator lamp 1 Case 11 Case upper end opening 111 Male thread 112 Ring seal member 12 for watertight sealing Case 1 bottom mounting part 121 Hook 122 Magnet 13 Waterproof cover 14 Presser plate s1 Screw 15 Support pillar 16 Stopper 17 Engagement Stop member 2 Cap 21 Upper half portion 22 of cap 2 Lower half portion 221 of cap 2 Female screw portion 3 Battery mounting portion BT Dry battery 4 Base member 41 Substrate 42 Support member s2 Screw 421 One end portion 422 of support member 42 Other than support member 42 Ends L1 to L8 Light emitting diode DC Light emitting diode drive circuit MP Microcomputer TAr Transistor array HP Photodetection circuit J1 Junction SW1 Power switch SW11 Switch operation unit SW2 Light emitting diode lighting pattern selection switch CN1, CN2 Connector 5 Light reflection / release Body b blocks a1 flat outer surface a2 upper surface a3 groove 50 struts s3 screw

Claims (7)

A case having an upper end opening and a bottom mounting portion for mounting an indicator lamp to a target location of an indicator lamp;
A battery mounting portion provided in the case and capable of replacing the battery in a replaceable manner;
A base member connected to the case so as to be opened and closed between a closed position that covers the battery mounting portion and an open position that opens the battery mounting portion in a region including the upper end opening of the case;
A plurality of light emitting diodes mounted on the base member;
A light emitting diode driving circuit mounted on the base member and driving the light emitting diode with an output of a battery mounted on the battery mounting portion;
A power switch that is operatively attached to the case from the outside of the case and electrically connects and separates the battery mounting portion and the light emitting diode drive circuit;
A transparent light reflecting and emitting body disposed above the light emitting diode and supported by the base member;
A light-transmitting cap that can be removably attached to the case so as to close the upper end opening of the case so as to cover the light-reflecting light emitter and the light-emitting diode in a state where the base member is in the closed position. An indicator light characterized by including and. The case is formed so as to be impermeable to water except for a portion to which the upper end opening and the power switch portion are attached. The case portion to which the power switch is attached is covered with a waterproof cover, and the waterproof cover Has the flexibility to operate the power switch with the cover interposed from the outside of the cover,
The light-transmitting cap is water-tightly attached to the case in a state where a water-tight seal member interposed between the light-transmitting cap and the case is sandwiched between the case and the case. Item 1. An indicator lamp according to item 1.   The bottom mounting portion of the case can be attracted to a hook portion that can be hooked to an indicator lamp hooking member provided in the target location of the indicator lamp, and when the target location of the indicator lamp is a magnet attractable location The indicator lamp of Claim 1 or 2 containing these magnets.   The base member is pivotally connected to the case at one end of the base member so as to be rotatable up and down in a region including the upper end opening of the case, and a closed position covering the battery mounting portion and the battery mounting The indicator lamp according to claim 1, 2 or 3, wherein the case is provided with a holding device that can reciprocate up and down between an open position that opens the portion and holds the base member in the closed position. . The light-emitting diodes are mounted on the base member in an annular arrangement, and the optical axis is directed to the light-reflecting light emitter above the light-emitting diodes, and the light-reflecting light emitter is located at the center via a support column. The light reflecting and emitting body is formed by arranging a plurality of blocks radially at equal central angular intervals around the support column and integrating the plurality of blocks. Each of the blocks is a flat outer surface rising from the lower end to the upper end, inclined downward from the upper end of the outer surface toward the support column, an upper end surface having a trapezoidal shape when viewed from a plane, and the support column from the lower end of the outer surface The indicator lamp in any one of Claim 1 to 4 which has the groove part of the bottom face side of the cross-sectional triangle extended toward a part.   The light emitting diode driving circuit controls lighting of the light emitting diode with a lighting pattern selected by a lighting pattern selection switch included in the driving circuit from a plurality of light emitting diode lighting patterns preset in the driving circuit. The indicator lamp in any one of Claim 1 to 5.   The light emitting diode driving circuit includes a light detection circuit. When the light detection circuit detects a light amount equal to or greater than a predetermined light amount, the light emitting diode is allowed to turn on, and the light amount detected by the light detection circuit is The indicator lamp according to any one of claims 1 to 6, wherein lighting of the light-emitting diode is not permitted when the amount of light is less than a predetermined amount.

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