CN112888115B - Artificial intelligence lighting circuit capable of automatically replacing power supply - Google Patents
Artificial intelligence lighting circuit capable of automatically replacing power supply Download PDFInfo
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- CN112888115B CN112888115B CN202110053003.1A CN202110053003A CN112888115B CN 112888115 B CN112888115 B CN 112888115B CN 202110053003 A CN202110053003 A CN 202110053003A CN 112888115 B CN112888115 B CN 112888115B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses an artificial intelligent lighting circuit capable of automatically replacing a power supply, which comprises a mains supply, a voltage-reducing rectification filter module, a switch module, a voltage-stabilizing module, a power supply automatic replacement module, a brightness detection module, a human body detection module and a light-emitting module, wherein the mains supply is connected with the voltage-reducing rectification filter module, the voltage-reducing rectification filter module is connected with the switch, the switch module is connected with the voltage-stabilizing module, the voltage-stabilizing module is connected with the power supply automatic replacement module, the brightness detection module, the human body detection module and the light-emitting module, the power supply automatic replacement module is connected with the brightness detection module, the human body detection module is connected with the light-emitting module, and the human body detection module is connected with the light-emitting module, compared with the prior art, the invention has the beneficial effects that: according to the invention, the light can be emitted only when the photoelectric detector senses that the light is dim and the photoresistor senses that the light is dim, so that the effect of intelligently and automatically switching on and off the lamp is achieved, and the power supply can be automatically replaced.
Description
Technical Field
The invention relates to the field of artificial intelligence, in particular to an artificial intelligence lighting circuit capable of automatically replacing a power supply.
Background
The lighting circuit in the current market is often not intelligent enough for often breaking the circuit when the outage appears, related standby power is needed to exist, the power is automatically replaced when the outage happens, the complete operation of the circuit is ensured, and the circuit is more intelligent.
Disclosure of Invention
The invention aims to provide an artificial intelligent lighting circuit capable of automatically replacing a power supply so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an automatic change artificial intelligence lighting circuit of power, includes mains supply, step down rectification filter module, switch module, voltage stabilizing module, the automatic module of changing of power, bright detection module, human detection module, lighting module, the step down rectification filter module is connected to mains supply, step down rectification filter module linked switch, voltage stabilizing module is connected to the switch module, the automatic module of changing of voltage stabilizing module connects power, bright detection module, human detection module, lighting module, bright detection module connects lighting module, human detection module connects lighting module.
As still further aspects of the invention: the mains supply consists of 220V alternating current, the buck rectifying and filtering module consists of a transformer W, a diode D1, a diode D2, a diode D3, a diode D4, a capacitor C1, an inductor L1 and a resistor R1, the switching module consists of a switch S1 and a resistor R2, the voltage stabilizing module consists of a resistor R3, a resistor R4, a potentiometer RP1, a triode V2, a MOS tube V1 and a capacitor C3, the automatic power supply replacing module consists of an integrated circuit U1, a triode V3, a resistor R5, a capacitor C4, a battery E1, a switch S2, a relay J2 and a diode D6, the brightness detecting module consists of a potentiometer RP2, a resistor R6 and a triode V4, the human body detecting module consists of a photoelectric detector Y and an input signal X, and the light emitting module consists of an AND gate Z, a triode V5 and a diode D7; the integrated circuit U1 is DW01.
The input end of the transformer W is connected with 220V alternating current, one end of the output end of the transformer W is connected with the positive electrode of the diode D1 and the negative electrode of the diode D3, the other end of the output end of the transformer W is connected with the positive electrode of the diode D2 and the negative electrode of the diode D4, the negative electrode of the diode D1, the capacitor C1 and the inductor L1, the positive electrode of the diode D2 is connected with the positive electrode of the diode D4, the other end of the capacitor C1 and the resistor R1, the other end of the inductor L1 is connected with the other end of the resistor R1 and the switch S1, the other end of the switch S1 is connected with the resistor R2, the other end of the resistor R2 is connected with the resistor R3, the S electrode of the MOS transistor V1 and the collector electrode of the MOS transistor V2, the other end of the resistor R3 is connected with the G electrode of the MOS transistor V1, the resistor R4 and the potentiometer RP1, the D electrode of the MOS transistor V1 is connected with the base electrode of the MOS transistor V2, the other end of the resistor R4 is grounded, and the other end of the potentiometer RP1 is connected with the emitter of the transistor V2 and the capacitor C3 is grounded.
The collector of triode V3 connects triode V2 ' S projecting pole, triode V3 ' S base is connected integrated circuit U1 ' S No. 3 pin, integrated circuit U1 ' S No. 5 pin is connected electric capacity C4, electric capacity C4 ' S the other end is connected to resistance R5 integrated circuit U1 ' S No. 6 pin, battery E1 ' S negative pole, triode V3 ' S collecting electrode is connected to resistance R5 ' S the other end, switch S2, battery E1 ' S anodal, relay J2 is connected to switch S2 ' S the other end, diode D6 ' S negative pole, triode V2 ' S projecting pole, potentiometre RP2 ' S the other end, triode V4 ' S collecting electrode, photoelectric detector Y ' S power end, relay J2 ' S the other end is connected to diode D6 ' S positive pole, relay J2 ' S the other end ground connection.
The ground connection of photoelectric detector Y, input signal X is connected to photoelectric detector's input, and AND gate Z's A port is connected to photoelectric detector's output, potentiometre RP 2's the other end connecting resistance R6, triode V4's base, resistance R6's the ground connection of the other end, and AND gate Z's B port is connected to triode V4's projecting pole, AND gate Z's C port connecting triode V5's base, diode D7's positive pole is connected to triode V5's projecting pole, diode D7's negative pole ground connection.
As still further aspects of the invention: the diodes D1, D2, D3, D4 and D5 are current limiting diodes, the diode D6 is a voltage stabilizing diode, and the diode D7 is a light emitting diode.
As still further aspects of the invention: the MOS tube V1 is a PMOS tube.
As still further aspects of the invention: the triodes V2, V3, V4 and V5 are NPN triodes.
As still further aspects of the invention: the input signal X is a temperature signal of a person perceived by the photoelectric detector Y.
As still further aspects of the invention: the resistor R6 is a photosensitive resistor, the resistance value is increased when the light is dim, and the resistance value is reduced when the light is bright.
As still further aspects of the invention: the AND gate Z will only make the C output high if both the A input and the B input are high.
As still further aspects of the invention: the diode D1, the diode D2, the diode D3 and the diode D4 form a bridge rectifier circuit.
As still further aspects of the invention: and pin A of the AND gate Z is connected with the output end of the photoelectric detector Y, and pin B of the AND gate Z is connected with the emitter of the triode V4.
Compared with the prior art, the invention has the beneficial effects that: the invention makes the standby battery stop discharging through the input of the mains supply, and simultaneously has the protection device, so that the battery stops charging when the battery is fully charged, and the light can be emitted only when the photoelectric detector senses that the light is dim and the condition is met according to the fact that the photoelectric detector senses that the light is dim, thereby achieving the effect of intelligently and automatically switching on and off the lamp.
Drawings
FIG. 1 is a schematic diagram of an artificial intelligence lighting circuit with automatic power change.
FIG. 2 is a circuit diagram of an artificial intelligence lighting circuit with automatic power replacement.
Fig. 3 is a truth table diagram and a gate circuit diagram of the and gate Z.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
Example 1: referring to fig. 1, an artificial intelligent lighting circuit for automatically replacing power supply is provided, which is used for supplying power to a mains supply, a step-down rectifying and filtering module for AC-AC and AC-DC, a switching module for conducting the circuit, a voltage stabilizing module for stabilizing output voltage, an automatic power replacing module for charging a battery and disconnecting discharging of the battery, a brightness detecting module for detecting an outside brightness environment, a human body detecting module for detecting whether a person passes through or not, and a lighting module for lighting.
As shown in fig. 2, the power supply is composed of 220V ac, the buck rectifying and filtering module is composed of a transformer W, a diode D1, a diode D2, a diode D3, a diode D4, a capacitor C1, an inductor L1, and a resistor R1, the switch module is composed of a switch S1 and a resistor R2, the voltage stabilizing module is composed of a resistor R3, a resistor R4, a potentiometer RP1, a triode V2, a MOS V1, and a capacitor C3, the power supply automatic replacement module is composed of an integrated circuit U1, a triode V3, a resistor R5, a capacitor C4, a diode D5, a battery E1, a switch S2, a relay J2, and a diode D6, the light detection module is composed of a potentiometer RP2, a resistor R6, and a triode V4, the human body detection module is composed of a photodetector Y, an input signal X, the light emitting module is composed of an and gate Z, a triode V5, and a diode D7, and the integrated circuit U1 is of a dw01 type.
The input end of the transformer W is connected with 220V alternating current, one end of the output end of the transformer W is connected with the positive electrode of the diode D1 and the negative electrode of the diode D3, the transformer W changes high-voltage alternating current into low-voltage alternating current, the other end of the output end of the transformer W is connected with the positive electrode of the diode D2 and the negative electrode of the diode D4, the diode D1, the diode D2, the diode D3 and the diode D4 form a bridge rectifier circuit, the alternating current is changed into direct current, the negative electrode of the diode D1 is connected with the negative electrode of the diode D2, the capacitor C1 and the inductor L1, the positive electrode of the diode D2 is connected with the positive electrode of the diode D4, the other end of the capacitor C1 and the resistor R1, the other end of the inductor L1 is connected with the other end of the resistor R1 and the switch S1, the other end of the switch S2 is connected with the resistor R3, the S electrode of the MOS transistor V1 and the collector electrode of the triode V2 are connected with the G electrode of the MOS transistor V1, the resistor R4 and the MOS transistor V1, the voltage of the MOS transistor V2 is connected with the voltage of the other end of the MOS transistor V2 and the voltage of the resistor V3 is connected with the voltage difference between the ground, and the voltage of the other end of the capacitor V3 and the capacitor V2 is connected with the voltage of the capacitor V3 is connected with the voltage of the capacitor and the voltage capacitor is connected with the voltage capacitor V2.
The collector of triode V3 connects triode V2 'S projecting pole, triode V3' S base is connected integrated circuit U1 'S No. 3 pin, integrated circuit U1' S No. 5 pin connects electric capacity C4, electric resistance R5 integrated circuit U1 'S No. 6 pin connects electric capacity C4' S the other end, battery E1 'S negative pole, triode V3' S collecting electrode is connected to resistance R5 'S the other end, switch S2, battery E1' S anodal, relay J2 is connected to switch S2 'S the other end, diode D6' S negative pole, triode V2 'S projecting pole, potentiometre RP 2' S the other end, triode V4 'S collecting electrode, photoelectric detector Y' S power end, relay J2 'S the other end is connected to diode D6' S the positive pole, diode D6 is the zener diode, guarantee relay J2 'S operating voltage, relay J2' S the other end ground, relay J2 during operation, switch S2 is opened, relay J2 during the off.
The ground connection of photoelectric detector Y, input signal X is connected to photoelectric detector's input, input signal X is judged by the people who passes, human body emission infrared signal, photoelectric detector receives this signal and converts into the signal, reach control switch's purpose, photoelectric detector's output is connected AND gate Z's A number port, potentiometre RP 2's the other end connection resistance R6, triode V4's base, resistance R6's the ground connection of the other end, and AND gate Z's B number port is connected to triode V4's projecting pole, AND gate Z's C number port is connected triode V5's base, triode V5's projecting pole is connected diode D7's positive pole, diode D7's negative pole ground connection.
The working principle of the invention is as follows: closing switch S1, conducting the circuit, outputting 220V alternating current to the G pole of PMOS tube V1 through buck rectification filtering, inputting to the S pole of PMOS tube V1 through resistor R3, making the G pole and S pole of PMOS tube have potential difference, conducting PMOS tube (the S pole voltage is larger than the G pole voltage), the D pole output voltage of PMOS tube V1 to the base of triode V2, conducting triode V2, the output voltage of triode V2 reacting to potentiometer RP1 and resistor R4, when the output voltage of triode V2 increases, making the voltage of resistor R4 increase, namely the G pole voltage of PMOS tube V1 increases, making the G pole voltage and S pole voltage difference of PMOS tube V1 decrease, making the PMOS tube conduction decrease, the D pole output voltage decrease, the conduction degree of triode V2 decreasing, the output voltage of triode V2, when the output voltage of the emitter of the triode V1 is reduced, the purpose of increasing the output voltage is achieved through the resistor R4-PMOS tube V1-triode V2, so that the voltage stabilizing effect is achieved, the model U1 is DW01, the lithium battery protection plate is adopted, when the battery voltage reaches a constant maximum value, the pin 3 is disconnected, the relay J2 works to disconnect the switch S2 and stop discharging the battery E1 when the input voltage reaches the triode V3 and the relay J2, meanwhile, the pin 3 of the DW01 outputs a high level, the triode V3 is conducted, the battery E1 is charged, the pin 3 of the DW01 outputs a low level when the battery E1 is charged to reach a rated voltage, the triode V3 is disconnected, the battery E1 is stopped being charged, when the mains supply is disconnected, the relay J2 is stopped, the switch S2 is closed, the battery E1 is powered, the power is automatically switched, the work of the circuit is ensured, the resistor R6 is a photoresistor, is in a low resistance state when the light intensity is strong, is in a high resistance state when the light intensity is weak, so that the voltage of the resistor R6 rises at night, the triode V4 is conducted, the pin B of the AND gate Z is in a high level, the input signal X of the photoelectric detector Y is detected to pass by or not, when a person passes by, the photoelectric detector Y converts an infrared signal emitted by the person into an electric signal, the output end of the photoelectric detector Y outputs the electric level, the pin A of the AND gate Z is in a high level, the pin A and the pin B are both in a high level, the pin C of the AND gate Z outputs the high level, the base of the triode V5 is conducted, the diode D7 emits light, the effect that the light is illuminated by a person when the person passes by the person at night is achieved, and the standby power supply (the battery E1) is automatically switched off when the mains supply is disconnected.
In embodiment 2, based on embodiment 1, fig. 3 is a truth table diagram and a gate circuit diagram of an and gate Z, in which, it can be known that only if two input terminals A, B of the and gate Z are both in a high level state, the output terminal C of the and gate Z will output a high level, and the input terminal A, B can be equivalently regarded as two switches, and the and gate will output a high level only if both switches are turned on.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
1. An artificial intelligent lighting circuit capable of automatically replacing a power supply comprises a mains supply, a buck rectification filter module, a switch module, a voltage stabilizing module, a power supply automatic replacement module, a light detection module, a human body detection module and a light emitting module, and is characterized in that the mains supply is connected with the buck rectification filter module, the buck rectification filter module is connected with a switch, the switch module is connected with the voltage stabilizing module, the voltage stabilizing module is connected with the power supply automatic replacement module, the light detection module, the human body detection module is connected with the light emitting module, the mains supply is composed of 220V alternating current, the buck rectification filter module is composed of a transformer W, a diode D1, a diode D2, a diode D3, a diode D4, a capacitor C1, an inductor L1 and a resistor R1, the switch module is composed of a switch S1 and a resistor R2, the voltage stabilizing module is composed of a resistor R3, a resistor R4, a potentiometer RP1, a triode V2, a MOS transistor V1 and a capacitor C3, the power supply automatic replacement module is composed of an integrated circuit U1, a human body detection module, a triode C5, a triode C2, a detector D2, a triode D2 and a detector D7 are composed of a triode D2, and a detector D2; the model U1 of the integrated circuit is DW01;
the input end of the transformer W is connected with 220V alternating current, one end of the output end of the transformer W is connected with the positive electrode of the diode D1 and the negative electrode of the diode D3, the other end of the output end of the transformer W is connected with the positive electrode of the diode D2 and the negative electrode of the diode D4, the negative electrode of the diode D1, the capacitor C1 and the inductor L1, the positive electrode of the diode D2 is connected with the positive electrode of the diode D4, the other end of the capacitor C1 and the resistor R1, the other end of the inductor L1 is connected with the other end of the resistor R1 and the switch S1, the other end of the switch S1 is connected with the resistor R2, the other end of the resistor R2 is connected with the resistor R3, the S electrode of the MOS transistor V1 and the collector electrode of the MOS transistor V2, the other end of the resistor R3 is connected with the G electrode of the MOS transistor V1, the resistor R4 and the potentiometer RP1, the D electrode of the MOS transistor V1 is connected with the base electrode of the MOS transistor V2, the other end of the resistor R4 is grounded, and the other end of the potentiometer RP1 is connected with the emitter of the transistor V2 and the capacitor C3 is grounded;
the collector of the triode V3 is connected with the emitter of the triode V2, the base of the triode V3 is connected with the pin 3 of the integrated circuit U1, the pin 5 of the integrated circuit U1 is connected with the capacitor C4, the pin 6 of the resistor R5 integrated circuit U1 is connected with the other end of the capacitor C4 and the negative electrode of the battery E1, the other end of the resistor R5 is connected with the collector of the triode V3, the switch S2 and the positive electrode of the battery E1, the other end of the switch S2 is connected with the relay J2, the negative electrode of the diode D6, the emitter of the triode V2, the potentiometer RP2, the other end of the potentiometer RP2, the collector of the triode V4 and the power end of the photoelectric detector Y, the positive electrode of the diode D6 is connected with the other end of the relay J2, and the other end of the relay J2 is grounded;
the ground connection of photoelectric detector Y, input signal X is connected to photoelectric detector's input, and AND gate Z's A port is connected to photoelectric detector's output, potentiometre RP 2's the other end connecting resistance R6, triode V4's base, resistance R6's the ground connection of the other end, and AND gate Z's B port is connected to triode V4's projecting pole, AND gate Z's C port connecting triode V5's base, diode D7's positive pole is connected to triode V5's projecting pole, diode D7's negative pole ground connection.
2. The artificial intelligence lighting circuit for automatically changing power supply according to claim 1, wherein the diodes D1, D2, D3, D4 and D5 are current limiting diodes, the diode D6 is a voltage stabilizing diode, and the diode D7 is a light emitting diode.
3. The artificial intelligence lighting circuit for automatically changing power supply according to claim 1, wherein the MOS tube V1 is a PMOS tube.
4. An artificial intelligence lighting circuit for automatically changing power supply according to claim 3 wherein said transistor V2, transistor V3, transistor V4, transistor V5 is an NPN transistor.
5. The artificial intelligence lighting circuit for automatically changing power supply according to claim 1, wherein the input signal X is a temperature signal of a person sensed by the photo detector Y.
6. The artificial intelligence lighting circuit for automatically changing power supply according to claim 1, wherein the resistor R6 is a light-sensitive resistor, and increases in resistance when light is dim and decreases in resistance when light is bright.
7. The automatic power change artificial intelligence lighting circuit of claim 1, wherein the and gate Z outputs a high level at the C output only if the a input and the B input are both high.
8. The artificial intelligence lighting circuit for automatically changing power supply according to claim 2, wherein the diode D1, the diode D2, the diode D3 and the diode D4 form a bridge rectifier circuit.
9. The artificial intelligence lighting circuit for automatically changing power supply according to claim 7, wherein pin a of the and gate Z is connected to the output end of the photodetector Y, and pin B of the and gate Z is connected to the emitter of the transistor V4.
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| JP2015216009A (en) * | 2014-05-09 | 2015-12-03 | 東芝ライテック株式会社 | Emergency lighting device |
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| CN104184205A (en) * | 2013-05-23 | 2014-12-03 | 海洋王（东莞）照明科技有限公司 | Power switching circuit and lighting equipment |
| CN204906796U (en) * | 2015-08-12 | 2015-12-23 | 九江欧威实业有限公司 | Use human infrared induction lamp controlgear of hybrid power system power supply |
| GB2544562A (en) * | 2015-11-23 | 2017-05-24 | Hanslod Mohamed | LED light fitting and emergency power supply therefor |
| CN105898968A (en) * | 2016-05-31 | 2016-08-24 | 成都思博特科技有限公司 | Double-power-supply corridor energy-saving lighting system based on composite circuit |
| CN205830123U (en) * | 2016-06-29 | 2016-12-21 | 深圳市源磊科技有限公司 | A kind of intelligent integral illumination module and lighting |
| US10667349B2 (en) * | 2016-08-03 | 2020-05-26 | Dongcheng LU | Alternating current (AC) dimming and emergency power supply method and device |
| CN107046754A (en) * | 2016-12-07 | 2017-08-15 | 广西大学 | A kind of automatic sensing saving-energy time-delay lamp |
| CN107968455A (en) * | 2017-12-04 | 2018-04-27 | 郑州天舜电子技术有限公司 | A kind of storage battery charging-discharging intelligent control circuit |
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| CN102082461A (en) * | 2009-11-30 | 2011-06-01 | 中强光电股份有限公司 | Power supply switching device and method as well as projection device applying power supply switching device |
| JP2015216009A (en) * | 2014-05-09 | 2015-12-03 | 東芝ライテック株式会社 | Emergency lighting device |
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