JP3149986U - Indicator light - Google Patents

Abstract

Provided is a display lamp using a light emitting diode, which is easy to use and can display light easily and stably over a long period of time. An indicator lamp includes a plurality of light emitting diodes, a light reflecting member that reflects and emits light from the light emitting diodes, a solar battery, a power storage unit that is charged by the solar battery, and a power storage. The control unit 5 is configured to control the turning on / off of the light emitting diode 11 using the unit 4 as a power source. [Selection] Figure 9

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 Japanese Patent Laid-Open No. 4-73802, a plurality of light emitting diodes are divided into first and second groups, and the light emitting diodes of the first group are arranged in a ring shape with the optical axis facing upward, The light emitting diodes of the second group are arranged in a ring shape and a radial shape with the optical axis directed outward in the horizontal direction, and further arranged outside the light emitting diodes of the first group. There is described an indicator lamp which is provided with a parabolic mirror which reflects radially and which displays light like a rotating lamp by blinking each light emitting diode under the control of a control circuit.

JP-A-4-73802

  However, a conventional indicator lamp of the type that uses a light-emitting diode as a light source and controls the lighting and extinguishing of each light-emitting diode by arranging a plurality of the light-emitting diodes can be used as an external power source or a dry battery. It is driven using the battery.

  For this reason, the type of indicator light that is connected to an external power supply cannot be used where there is no external power supply, and requires troublesome work such as requiring a connection cord to the external power supply even where there is an external power supply. .

  Battery-powered indicator lamps can not be driven due to battery exhaustion, there is annoyance that battery management and replacement is required, and if you leave it without knowing that it can not be driven due to battery exhaustion, If the indicator lamp is, for example, a warning lamp, there is a risk that some danger may be caused by the malfunction of the indicator lamp.

  Therefore, the present invention is a type of indicator lamp that uses a light emitting diode as a light source, and can arrange a plurality of the light emitting diodes to control the lighting and extinction of each of the light emitting diodes for light display. It is an object of the present invention to provide an easy-to-use indicator lamp that can be optically displayed.

In order to solve the above problems, the present invention
A plurality of light emitting diodes arranged in a ring;
A light reflecting member that reflects and emits light from the light emitting diode;
Solar cells,
A power storage unit charged by the solar cell;
There is provided an indicator lamp including a control unit that controls lighting / extinguishing of each light emitting diode using the power storage unit as a power source.

  The indicator lamp according to the present invention is a type of indicator lamp that uses a light-emitting diode as a light source and can perform light display by arraying a plurality of the light-emitting diodes and controlling the lighting and extinction of each light-emitting diode. A power storage unit charged thereby is provided, and the light emitting diode is controlled to be turned on / off using the power storage unit charged by the solar battery as a power source.

  Therefore, the indicator lamp according to the present invention can be used even in the absence of an external power source, and a cord for connecting to the external power source is not necessary, so that it can be used easily. Moreover, since the electrical storage part is charged with a solar cell, the indicator lamp which concerns on this invention can be used stably so long. Thus, the indicator lamp according to the present invention can easily and stably display light over a long period of time, and is easy to use.

  As a representative example, the control unit may be one that can sequentially turn on / off individual light emitting diodes so that the plurality of light emitting diodes emit light like a rotating lamp as a whole.

  As described above, the indicator lamp according to the present invention is an indicator lamp in which the light emitting diode emits light like a revolving lamp as a whole, and various places such as construction sites, parking lots, and the like that have to call attention. It can be used as a warning light that can be used easily in the scene and operates stably over a long period of time.

If the main parts such as the light emitting diodes are collectively provided as a light emitting unit, it is advantageous in terms of downsizing the indicator lamp and facilitating assembly work.
Therefore, the light emission unit may be configured as follows.

That is,
The plurality of light emitting diodes are annularly arranged on the light emitting diode substrate with the optical axis facing upward, and the light reflecting member rises from the substrate inside the annular array of light emitting diodes and is above the light emitting diodes. Is a member having a light reflecting surface directed to the light emitting diode,
The solar cell is held on top of the light reflecting member,
The control unit is provided on the substrate,
The power storage unit is disposed below the substrate and supported by the substrate,
The light emitting diode, the light emitting diode substrate, the light reflecting member, the solar cell, the control unit, and the power storage unit are set so as to constitute a light emitting unit.
This light emission unit can be incorporated in the case.

  The case for housing the light emitting unit includes, for example, a transparent lid that covers the solar cell and a base case in which the lid is detachably screwed in order to make the indicator lamp compact and facilitate assembly. The light emitting unit is attached to the inner wall of the transparent lid, and the base case has at least a portion facing the light emitting diode and the light reflecting member. I can do it.

  As a more specific example of the light reflecting member, a polygonal column portion rising from the light emitting diode substrate inside the annular array light emitting diode and an inverted head-mounted polygonal pyramid portion expanding from the upper end of the polygonal column portion to above the light emitting diode And an outer peripheral surface composed of a plurality of flat outer surfaces directed to the light emitting diodes of the polygonal column portion and an outer peripheral surface composed of a plurality of flat outer surfaces directed to the light emitting diodes of the inverted head-mounted polygonal pyramid portion Mention may be made of providing a light reflecting surface directed to the light emitting diode.

  In order to make the indicator lamp according to the present invention light-displayable in various ways, for example, the control unit sets the light-emitting diode in a state in which the light-emitting diode emits light like the revolving light or a state in which the light-emitting diode repeatedly blinks. It is also possible to turn on / off the light emitting diode in a state set by the changeover switch.

In addition, the control unit includes, for example, an illuminance detection circuit that detects illuminance with respect to the solar cell based on the output of the solar cell, and the illuminance detection circuit has predetermined illuminance with respect to the solar cell detected by the circuit. When it becomes below, you may make it permit the said light emitting diode lighting / extinguishing control.
Further, the control unit includes a power storage unit voltage detection circuit that detects an output possible voltage of the power storage unit and inputs the detection information to the illuminance detection circuit, and the illuminance detection circuit is input from the power storage unit voltage detection circuit. When the illuminance on the solar cell detected by the illuminance detection circuit is equal to or lower than a predetermined first illuminance when the output possible voltage information is received and the output possible voltage is equal to or lower than a predetermined reference voltage, When the light emitting diode on / off control is permitted and the outputtable voltage is higher than a predetermined reference voltage, the illuminance on the solar cell detected by the illuminance detection circuit is less than a predetermined second illuminance greater than the first illuminance. Then, the light emitting diode on / off control may be permitted.

  The power storage unit may be a chargeable / dischargeable secondary battery such as a nickel metal hydride battery, but may be a capacitor-type power storage unit that is durable and can be used for a long time. Both may be used in combination.

  As described above, according to the present invention, a light-emitting diode is used as a light source, a plurality of the light-emitting diodes are arranged, and individual light-emitting diodes are controlled to be turned on and off to perform light display. It is possible to provide an easy-to-use indicator lamp that can display light stably over a wide range.

It is a front view of an example of the indicator lamp which concerns on this invention. It is a right view of the indicator light of FIG. It is a left view of the indicator light of FIG. It is a top view of the indicator light of FIG. It is a bottom view of the indicator light of FIG. It is a front view of the state which attached the light emission unit to the case cover body. It is a bottom view of the state which attached the light emission unit to the case cover body. It is a top view of a light emission unit. It is sectional drawing which follows the XX line of FIG. It is a block diagram which shows the circuit of the control part which performs lighting on / off control of a light emitting diode.

Hereinafter, an example of an indicator lamp according to the present invention will be described with reference to the drawings.
1 to 5 and 9 generally show an example of an indicator lamp (indicator lamp A) according to the present invention. 1 is a front view, FIG. 2 is a right side view, FIG. 3 is a left side view, FIG. 4 is a plan view, FIG. 5 is a bottom view, and FIG. 9 is a sectional view taken along line XX in FIG. .

The indicator lamp A includes a light emitting unit U and a case 6 that accommodates the light emitting unit U.
The light emission unit U is
A light-emitting diode substrate 1; eight light-emitting diodes 11 arranged in a ring on the light-emitting diode substrate 1;
A light reflecting member 2 that reflects and emits light from the light emitting diode;
Solar cell 3,
A power storage unit 4 charged by the solar cell 3;
And a control unit 5 that controls lighting / extinguishing of each light emitting diode using the power storage unit 4 as a power source.

Each light emitting diode in the light emitting unit U has a so-called bullet shape, and its optical axis is directed upward, and eight light emitting diodes are erected on the substrate 1 at equal central angular intervals (45 degrees in this example).
The light reflecting member 2 includes a polygonal column portion 21 that rises from the light emitting diode substrate 1 inside the annular array of light emitting diodes 11, and an inverted head-mounted polygonal pyramid portion that expands upward from the upper end of the polygonal column portion to the light emitting diode 11. 22 is included. A solar cell holding part 23 is provided on the top of the inverted head-mounted polygonal pyramid part 22. These portions 21, 22 and 23 are integrally connected.

  The polygonal column portion 21 has an outer peripheral surface composed of 16 flat outer surfaces 211 directed to the light emitting diode 11, and this outer peripheral surface is a light reflecting surface that reflects light from the light emitting diode outwardly of the display lamp. Is formed.

  The inverted head-mounted polygonal pyramid portion 22 also has an outer peripheral surface composed of 16 flat outer surfaces 221 directed toward the light emitting diode 11, and this outer peripheral surface also reflects light from the light emitting diode in the outward direction of the indicator lamp. It is formed on the light reflecting surface.

  Each flat light reflecting outer surface 211 in the polygonal column portion 21 corresponds to one flat light reflecting outer surface 221 of the inverted head-mounted polygonal pyramid portion 22, and both light reflecting surfaces 211 and 221 corresponding to each other are continuously bent. Yes.

The solar cell 3 is held by the solar cell holding unit 23.
As shown in FIGS. 7 and 8, the holding portion 23 includes arm portions 231 that protrude radially at a central angle interval of 120 degrees.
The power storage unit 4 is disposed below the substrate 1 and supported by the substrate 1.
The power storage unit 4 is composed of two nickel metal hydride batteries which are rechargeable secondary batteries in this example. The power storage unit 4 may be a capacitor-type power storage unit that can be used for a longer period than such a battery and is rich in durability. You may use both together.

  The control unit 5 is provided on the substrate 1. As shown in FIG. 6 and FIG. 9, the control unit 5 turns on and off the switch SW1 and the light emitting diode mounted on the substrate 1 in a rotating lamp-like state or repeatedly blinks. Includes a change-over switch SW2 for switching between turning on and off. The controller 5 will be described in detail later with reference to FIG.

  As described above, the main parts such as the light emitting diodes are collectively used as the light emitting unit U, and this is advantageous in terms of downsizing the indicator lamp A and facilitating assembly work.

The case 6 includes a lid 61 made of a transparent synthetic resin and a base case 62 made of a translucent synthetic resin to which the lid can be detachably screwed.
The lid 61 has a female screw 611 at the inner periphery of the lower end opening. The base case 62 has a male screw 621 at the outer periphery of the upper end opening. The lid 61 can be removably screwed to the base case 62 with these screws 611 and 621. An elastic seal ring R for liquid-tight sealing is fitted between the lid 61 and the base case 62.

  The light emitting unit U is screwed to the inner wall of the lid 61 at the arm portion 231 of the solar cell holding portion 23. Furthermore, it is screwed to a screw engaging portion 612 that is integrally formed on the inner wall of the lid 61. Thus, the light emitting unit U and the lid 61 are gathered together in a compact manner so that they can be handled as a unit, and are easy to handle when assembling the indicator lamp A, and the indicator lamp assembling work becomes much easier.

  As shown in FIGS. 5 and 9, the base case 62 has a magnet 622 on the lower surface, and the indicator lamp A can be attached to the magnet adsorbable portion of the indicator lamp attachment target member with this magnet. 2, 3, 5, and the like, the base case 62 includes a set screw through hole 623 and a set screw through recess 624 at the left and right hems, and these are used to attach the indicator lamp. It can also be screwed to the member.

FIG. 10 is a block diagram showing a circuit of the control unit 5 provided on the substrate 1.
As shown in FIG. 10, the control unit 5 includes a microcomputer C that is a main part that controls the turning on and off of the light emitting diode 11. The individual light emitting diodes are turned on and off by a drive circuit 55 operating under the direction of the computer C.

  The control unit 5 further performs voltage adjustment when charging the power storage unit 4 with the output from the solar cell 1, and adjusts the output voltage from the power storage unit 4, and turns on / off the indicator lamp A. The above described switch SW1, the constant voltage circuit 52 that outputs a constant voltage to the microcomputer C, the light emitting diode drive circuit 55, and the like based on the power supplied from the power storage unit 4 through the voltage adjustment circuit 51 and the switch SW1, the light emitting diode 11 Includes a change-over switch SW2 for setting in the computer C whether to turn on / off like a revolving light or to repeatedly turn on / off in a blinking state.

  The control unit 5 further includes an illuminance detection circuit 53 that detects the brightness around the solar cell 1, in other words, an illuminance with respect to the solar cell 1, and a power storage unit voltage detection circuit 54 that detects an output possible voltage of the power storage unit 4. Yes. The illuminance detection circuit 53 detects the illuminance with respect to the solar cell 1 based on the output from the solar cell 1 and inputs the information to the constant voltage circuit 52 and the microcomputer C.

  According to the control unit 5, the power storage unit 3 is charged based on the solar cell output, and the surroundings of the indicator lamp A are darkened with the switch SW <b> 1 being turned on (closed). When the illuminance falls below a predetermined first illuminance, and the outputtable voltage of the power storage unit 4 detected by the circuit 54 at that time is below a predetermined reference voltage, the illuminance detection circuit 53 detects this. Then, the detected information is input to the computer C and the constant voltage circuit 52.

  Then, the constant voltage circuit 52 enters a constant voltage output enabling state, and the light emitting diodes 11 are turned on / off in a revolving light-like state set by the changeover switch SW2 or repeatedly blinking according to the instruction from the computer C. Is done.

  Here, it is assumed that the eight light emitting diodes 11 are sequentially named L1, L2, L3, L4, L5, L6, L7, and L8 in the clockwise direction when viewed from above. Then, in the rotating lamp-like control, for example, when the light emitting diode L1 is turned on, the adjacent light emitting diode L2 is turned on at a predetermined time interval, while the light emitting diode L1 is turned off, and further, the predetermined time interval is turned on. Then, the light emitting diode L3 next to the light emitting diode L2 is turned on, while the light emitting diode L2 is turned off, so that the respective light emitting diodes are turned on and off sequentially, and the light emitting diodes L1 to L8 are like a rotating lamp as a whole. Turns on and off.

  In the revolving lamp-like control, for example, the light emitting diode L1 and the adjacent light emitting diode L2 are turned on simultaneously, and the light emitting diode L2 and the adjacent light emitting diode L3 are turned on simultaneously at a predetermined time interval. The light emitting diode L1 is turned off, and at a predetermined time interval, the light emitting diode L3 and the adjacent light emitting diode L4 are turned on simultaneously, while the light emitting diode L2 is turned off. The light emitting diode groups may be turned on and off sequentially, and the light emitting diodes may be turned on and off like a revolving light as a whole. In this way, the rotating lamp-like control can be performed in various ways. In short, it is only necessary to be able to control turning on and off like a rotating lamp as a whole.

  In the repetitive blinking control, in this example, the light emitting diodes repeatedly turn on and off all at once.

  As described above, the light emitting diode 11 is controlled to be turned on / off. However, when the outputtable voltage of the power storage unit 4 is higher than a predetermined reference voltage, this is detected by the power storage unit voltage detection circuit 54. The This information is input to the illuminance detection circuit 53, and the circuit 53 is in a stage where the illuminance to the solar cell 3 becomes equal to or less than a predetermined second illuminance greater than the first illuminance (in other words, the area around the solar cell 3 is more In the bright stage), the output is permitted to the constant voltage circuit 52. Thus, the LED 11 group is controlled to be turned on / off in a rotating lamp-like state set by the changeover switch SW2 or repeatedly blinked under the instruction of the computer C.

  The indicator light A is connected with a pyroelectric sensor 56 such as an infrared sensor that senses the approaching action of a person, and the light emission unit U is also detected when the pyroelectric sensor 56 senses the approaching action of a person or the like. You may make it operate | move.

  As described above, the indicator lamp A is a type of indicator lamp that uses the light-emitting diodes 11 as a light source and can control the individual light-emitting diodes to be turned on and off to perform a desired light display. The power storage unit 4 to be charged is provided, and the light emitting diode 11 is controlled to be turned on / off using the power storage unit 4 as a power source.

  Therefore, the indicator lamp A can be used even in the absence of an external power source, and a cord connected to the external power source is not necessary, so that it can be used as easily. Moreover, since the electrical storage part 4 is charged with the solar cell 3, the indicator lamp A can be used stably so long. Accordingly, the indicator lamp A can be used easily and stably over a long period of time, and is easy to use.

  The display A or the like can be used in various ways. For example, by using an indicator light that is controlled so that the light emitting diode 11 is turned on and off like a revolving light as a whole, various places where attention should be paid to people such as construction sites and parking lots. It can be used easily in a scene, and can be used as a warning light that operates stably over a long period of time.

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

A Indicator lamp U Light emitting unit 1 Light emitting diode substrate 11 Light emitting diode 2 Light reflecting member 21 Polygonal column portion 211 Flat outer surface (light reflecting surface)
22 Inverted head-mounted polygonal cone 221 Flat outer surface (light reflecting surface)
23 Solar cell holding unit 231 Arm unit 3 Solar cell 4 Power storage unit 5 Control unit SW1 On / off switch SW2 Rotation / flashing switch C Microcomputer 51 Voltage adjustment circuit 52 Constant voltage circuit 53 Illuminance detection circuit 54 Power storage unit voltage detection circuit 55 Light emitting diode Drive circuit 56 Pyroelectric sensor 6 Case 61 Transparent lid 611 Female screw 612 Screw engaging portion 62 Base case 621 Male screw 622 Magnet 623 Screw through hole 624 Screw through recess

Claims (9)

A plurality of light emitting diodes arranged in a ring;
A light reflecting member that reflects and emits light from the light emitting diode;
Solar cells,
A power storage unit charged by the solar cell;
And a control unit that controls lighting / extinguishing of the light-emitting diode using the power storage unit as a power source.   2. The indicator lamp according to claim 1, wherein the control unit is a control unit capable of sequentially turning on and off the individual light emitting diodes so that the plurality of light emitting diodes emit light as a rotating lamp as a whole. The plurality of light emitting diodes are annularly arranged on the light emitting diode substrate with the optical axis facing upward, and the light reflecting member rises from the substrate inside the annular array of light emitting diodes and is above the light emitting diodes. Is a member having a light reflecting surface directed to the light emitting diode,
The solar cell is held on top of the light reflecting member,
The control unit is provided on the substrate,
The power storage unit is arranged on the lower side of the substrate and supported by the substrate,
The light emitting diode, the light emitting diode substrate, the light reflecting member, the solar cell, the control unit and the power storage unit constitute a light emitting unit,
The indicator lamp according to claim 1 or 2, wherein the light emission unit is built in a case.   The case includes a transparent lid that covers the solar cell, and a base case to which the lid is removably screwed, and the light emitting unit is attached to an inner wall of the transparent lid, The indicator lamp according to claim 3, wherein at least a portion facing the light emitting diode and the light reflecting member has translucency.   The light reflecting member includes a polygonal column portion rising from the light emitting diode substrate inside the annular array light emitting diode, and an inverted head-mounted polygonal pyramid portion expanding from the upper end of the polygonal column portion to the upper side of the light emitting diode. And an outer peripheral surface composed of a plurality of flat outer surfaces directed to the light emitting diode of the polygonal column portion and an outer peripheral surface composed of a plurality of flat outer surfaces directed to the light emitting diodes of the inverted head-mounted polygonal pyramid portion toward the light emitting diode. 5. The indicator lamp according to claim 3 or 4, wherein the light reflecting surface is provided.   The control unit includes a change-over switch for setting the light-emitting diode in a state in which the light-emitting diode emits light like the rotating lamp or a state in which the light-emitting diode repeatedly blinks, and the state of the light-emitting diode is set in the state set by the change-over switch. The indicator lamp according to any one of claims 1 to 5, wherein the on / off control can be performed.   The control unit includes an illuminance detection circuit that detects illuminance on the solar cell based on the output of the solar cell, and the illuminance detection circuit has an illuminance on the solar cell detected by the circuit that is equal to or lower than a predetermined illuminance. When it comes, the indicator lamp in any one of Claim 1 to 6 which permits the said light emitting diode lighting / extinguishing control.   The control unit includes a power storage unit voltage detection circuit that detects an output possible voltage of the power storage unit and inputs the detection information to the illuminance detection circuit, and the illuminance detection circuit is input from the power storage unit voltage detection circuit. When the illuminance on the solar cell detected by the illuminance detection circuit is equal to or lower than a predetermined first illuminance when the output possible voltage information is received and the output possible voltage is equal to or lower than a predetermined reference voltage, When the light emitting diode on / off control is permitted and the outputtable voltage is higher than a predetermined reference voltage, the illuminance on the solar cell detected by the illuminance detection circuit is less than a predetermined second illuminance greater than the first illuminance. The indicator lamp according to claim 7, wherein the light-emitting diode on / off control is permitted.   The indicator lamp according to claim 1, wherein the power storage unit includes a capacitor power storage unit.

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