CN101620765A - Light induction monitoring alarm system - Google Patents
Light induction monitoring alarm system Download PDFInfo
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- CN101620765A CN101620765A CN200910090940A CN200910090940A CN101620765A CN 101620765 A CN101620765 A CN 101620765A CN 200910090940 A CN200910090940 A CN 200910090940A CN 200910090940 A CN200910090940 A CN 200910090940A CN 101620765 A CN101620765 A CN 101620765A
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- light
- induction monitoring
- alarm system
- photoresistance
- monitoring alarm
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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 relates to a light induction monitoring alarm system belonging to the technical field of light monitoring alarm application. A light induction monitoring alarm circuit with a photoconductive resistor and a power supply are connected together to form the light induction monitoring alarm system, and the light induction monitoring alarm system has unique design of directly installing the photoconductive resistor on a nearby end of light to monitor the photoconductive resistor, inducts the light and the light ray change of a surrounding environment in real time and carries out acousto-optic alarm in real time when the light is in trouble or the light should be started but not started. The light induction monitoring alarm system has low cost and good effect, can be widely used for the trouble monitoring of various illuminating lamps, night navigation lamps and indicating lamps and especially has great action on enhancing the safety of traffic as a transportation tool.
Description
Technical field
The invention belongs to light monitoring alarm applied technical field, relate to a kind of light induction monitoring alarm system.
Background technology
Light is mainly used in fields such as illumination, indication, as the illumination of travelling of vehicle in the vehicles, the night flight of boats and ships, aircraft indication, the light indication of beacon etc., so whether light can in time be opened or fault after can in time find, extremely important for safety.At present, operate as normal mainly adopts range estimation, device directly to seal in the illuminator monitoring, device is incorporated illuminator into and monitored to lighting.The range estimation shortcoming is very outstanding, and over-the-horizon promptly lost efficacy; It is simply outmoded that device seals in the illuminator detection method, can't distinguish detected light problem or device problem after the fault, and can't corresponding start at all and in time not start light (for example night, automobile was when the garage is left preferably from light, because visual illusion, the driver that happens occasionally forgets the situation of opening car light, especially sail into behind the through street abnormally dangerously, this does not in time start light for starting) report to the police; Existing device is incorporated illuminator into and is detected the method for sending out, be in lighting circuit, to incorporate relevant components and parts into to form observation circuit, main dependence relay element principle of work realizes the monitoring to light, the method is than serial approach progress, but relay can be subjected to condition influence such as magnetic environment, temperature, then need cost to rise significantly as improving performance and reliability, can't solve corresponding the startup in addition too and in time not start light and report to the police.
Summary of the invention
The purpose of this invention is to provide a kind of light induction monitoring alarm system, a kind of lighting fault of can monitoring is reported to the police, can be solved again corresponding the startup and in time do not start the low-cost utility system that light is reported to the police, and can be widely used in various vehicles illuminations, night flight with lamp, pilot light monitoring etc.
Concrete technical scheme is as follows:
A kind of light induction monitoring alarm system, its unique design is that photoresistance is placed monitored light near-end (for example being placed in appropriate location in the lampshade), replaced former method repeat circuit as the core work element as the monitoring element that changes at monitored light specially, and cooperate corresponding light-operated sound light alarming circuit, as required or in parallel or be independent of monitored light circuit.It is characterized by: it is in parallel with warning lamp E with hummer HA to report to the police, one termination power and the other end extremely link to each other with the T2 of diode VD1 and bidirectional thyristor VS respectively by behind the divider resistance R3, the G utmost point of bidirectional thyristor VS is connected with resistance R 2, its T1 utmost point respectively with another utmost point of power supply, the parallel circuit of photoresistance RL and capacitor C is connected, the diode VD1 divider resistance R1 that contacts, parallel circuit with photoresistance RL and capacitor C is connected then, behind resistance R 2 and the bidirectional trigger diode VD2 polyphone again with R1, the parallel circuit of photoresistance RL and capacitor C is connected, and has constituted light induction monitoring alarm system jointly.
Key character wherein of the present invention is that the monitoring side creatively is installed in photoresistance RL monitored light near-end correct position, promptly place in the lampshade or the outer photoresistance of lampshade can be felt position in the scope, directly the duty of light is carried out monitoring, alarming, also can realize simultaneously monitoring to surrounding environment light, realize that corresponding startup does not in time start light and monitors, the end of reporting to the police is in parallel with warning lamp E for hummer HA, can carry out the acousto-optic mixing outside remote visual line of sight and report to the police.
The present invention has following beneficial effect:
1, of many uses, be applied to various vehicles illuminations, night flight lamp, pilot light monitoring etc., the light monitoring system of alternative former use relay principle of work.
2, application cost is low, practical.
3, monitoring environment light changes in real time, has solved corresponding startup and has not in time started the problem that light is reported to the police.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1
Fig. 2 is the structural representation of the embodiment of the invention 2
Fig. 3 is circuit theory diagrams of the present invention
Serial number name among Fig. 1 and Fig. 2 is:
1-ignition switch, 2-warning shutdown switch, 3-alarm, 4-operation control panel, 5-light induction monitoring warning circuit, 6-lead, 7-photoresistance, 8-lampshade, 9-bulb, 10-power supply, 11, the outer body, 12 of the vehicles, boat lamp switch
Embodiment
In Fig. 1, a kind of light induction monitoring alarm system, photoresistance 7 is placed in the lampshade 8 and with near the bulb 9 suitably distance, after vehicle started by ignition switch 1, light induction monitoring alarm system was communicated with immediately, carried out omnidistance monitoring behind the vehicle launch.In the time of daytime, photoresistance 7 is subjected to the irradiation of natural light and presents low resistance, and then is reflected in the light induction monitoring warning circuit 5 by lead 6, and its circuit output is in cut-off state, so alarm 3 also is in cut-off state.When at dusk or light when very dark, photoresistance 7 will present high value, and then be reflected in the light induction monitoring warning circuit 5 by lead 6, its circuit output will present continuous repetition conducting and cut-off state, so buzzing will appear in alarm 3, light flash is reported to the police.
The driver just can handle by the continuous alarm discovery situation of acousto-optic, open car light, after bulb 9 is bright, photoresistance 7 is subjected to the irradiation of light and presents low resistance, cause circuit output and alarm 3 to be in cut-off state then again, so the driver need not worry that the night vehicle is when the garage is left preferably from light, because visual illusion again, forget and open that car light is set out on a journey and the danger that brings, solved and to start the problem that does not in time start light.In addition, this system shows pinpointing the problems of the wide lamp failure of waiting for bus after in like manner also having solved the vehicle that vision can not directly see.At last, if because of special requirement, need closing vehicle lamp to travel behind the vehicle launch or stop, the driver also can cut off warning by warning shutdown switch 2, is in closure state under warning shutdown switch 2 normal conditions.
In Fig. 2, a kind of light induction monitoring alarm system, photoresistance 7 is placed in the lampshade 8 and with near the bulb 9 suitably distance, when the boats and ships night flight, open boat lamp switch 12, light induction monitoring alarm system is communicated with immediately, the lamp that navigates is opened the omnidistance monitoring in back.Luminous normal the time when bulb 9, photoresistance 7 is subjected to the irradiation of light and presents low resistance, and then is reflected in the light induction monitoring warning circuit 5 by lead 6, and its circuit output is in cut-off state, so alarm 3 also is in cut-off state.When bulb 9 faults do not work, photoresistance 7 will present high value, and then be reflected in the light induction monitoring warning circuit 5 by lead 6, and its circuit output will present continuous repetition conducting and cut-off state, so buzzing will appear in alarm 3, light flash is reported to the police.
The crewman just can handle by the continuous alarm discovery situation of acousto-optic, and after bulb 9 recoveries were normally luminous, photoresistance 7 was subjected to the irradiation of light and presents low resistance, causes circuit output and alarm 3 to be in cut-off state then again.At last, if because of special requirement, the crewman also can cut off warning by warning shutdown switch 2, is in closure state under warning shutdown switch 2 normal conditions.
In Fig. 3, the circuit theory diagrams of light induction monitoring alarm system of the present invention, photoresistance RL is placed monitored light E near-end appropriate location, after power supply U connects, through diode VD1 half-wave rectification, R1 charges to capacitor C through divider resistance, because of charging current very little, hummer HA and warning lamp E are reactionless, and the voltage on the capacitor C depends on the partial pressure value of resistance R 1, resistance R 3 and photoresistance RL.When monitored light E working properly when bright and clear, photoresistance RL is subjected to the irradiation of light and presents low resistance, the super only break over voltage of bidirectional trigger diode VD2 of the charging voltage at capacitor C two ends, bidirectional thyristor VS also thereby be in cut-off state, hummer HA and warning lamp E are reactionless; When monitored light E fault causes dull thread or dim light, photoresistance RL will present high value, the charging voltage of capacitor C constantly raises, after charging voltage surpasses the break over voltage of bidirectional trigger diode VD2, bidirectional trigger diode VD2 conducting, capacitor C is by bidirectional trigger diode VD2 and resistance R 2 discharges, and bidirectional thyristor VS obtains enough trigger currents and conducting, and hummer HA and warning lamp E report to the police.Voltage on capacitor C discharges into to a certain degree, and bidirectional trigger diode VD2 ends again, and bidirectional thyristor VS is because losing trigger current automatically shuts down when the alternating current zero passage, and warning stops.After this, capacitor C is charge and discharge repeatedly, and bidirectional thyristor VS is constantly ended and conducting, and hummer HA and warning lamp E also intermittently report to the police thereupon repeatedly, recover operate as normal until deenergization or monitored light E, make photoresistance RL regain enough irradiate light and stop to report to the police.
Claims (4)
1, a kind of light induction monitoring alarm system is characterized by: photoresistance is installed in the light near-end it is monitored, be connected with power supply by the light induction monitoring warning circuit that adopts photoresistance and form light induction monitoring alarm system jointly.
2, a kind of light induction monitoring alarm system according to claim 1, it is characterized by: key point is that photoresistance is directly installed on the light near-end as the sensing element that monitoring light changes, and promptly places in the lampshade or the outer photoresistance of lampshade can be felt position in the scope.
3, a kind of light induction monitoring alarm system according to claim 1, it is characterized by: in the light induction monitoring warning circuit that adopts photoresistance, comprise alarm buzzer HA and warning lamp E parallel circuit, one termination power and the other end extremely link to each other with the T2 of diode VD1 and bidirectional thyristor VS respectively by behind the divider resistance R3; The G utmost point of bidirectional thyristor VS is connected with resistance R 2, and its T1 utmost point is connected with the parallel circuit of another utmost point of power supply, photoresistance RL and capacitor C respectively; The diode VD1 divider resistance R1 that contacts, the parallel circuit with photoresistance RL and capacitor C is connected then; Be connected with the parallel circuit of R1, photoresistance RL and capacitor C respectively again behind resistance R 2 and the bidirectional trigger diode VD2 polyphone, constituted the light induction monitoring warning circuit jointly.
4, a kind of light induction monitoring alarm system according to claim 1 is characterized by: the power supply that light induction monitoring alarm system connects can be directly in parallel with monitored light power, also can take the independent current source power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910090940A CN101620765A (en) | 2009-08-18 | 2009-08-18 | Light induction monitoring alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910090940A CN101620765A (en) | 2009-08-18 | 2009-08-18 | Light induction monitoring alarm system |
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| CN101620765A true CN101620765A (en) | 2010-01-06 |
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| CN200910090940A Pending CN101620765A (en) | 2009-08-18 | 2009-08-18 | Light induction monitoring alarm system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102421229A (en) * | 2011-09-13 | 2012-04-18 | 南昌大学 | Switching circuit of light-operated twinkling safety caution lamp |
| CN103179767A (en) * | 2011-12-26 | 2013-06-26 | 海洋王照明科技股份有限公司 | Lamp low voltage and power-off status monitoring circuit |
| CN103852735A (en) * | 2012-11-29 | 2014-06-11 | 深圳市海洋王照明工程有限公司 | Lamp fixture discharge timing circuit |
| CN104977498A (en) * | 2015-06-29 | 2015-10-14 | 国网浙江东阳市供电公司 | Portable protection apparatus indication lamp detection tool |
| CN105676621A (en) * | 2016-03-26 | 2016-06-15 | 林捷达 | Intelligent watch with illumination detection |
-
2009
- 2009-08-18 CN CN200910090940A patent/CN101620765A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102421229A (en) * | 2011-09-13 | 2012-04-18 | 南昌大学 | Switching circuit of light-operated twinkling safety caution lamp |
| CN103179767A (en) * | 2011-12-26 | 2013-06-26 | 海洋王照明科技股份有限公司 | Lamp low voltage and power-off status monitoring circuit |
| CN103179767B (en) * | 2011-12-26 | 2015-09-23 | 海洋王照明科技股份有限公司 | Lamp low voltage and OFF state supervisory circuit |
| CN103852735A (en) * | 2012-11-29 | 2014-06-11 | 深圳市海洋王照明工程有限公司 | Lamp fixture discharge timing circuit |
| CN103852735B (en) * | 2012-11-29 | 2017-02-08 | 深圳市海洋王照明工程有限公司 | Lamp fixture discharge timing circuit |
| CN104977498A (en) * | 2015-06-29 | 2015-10-14 | 国网浙江东阳市供电公司 | Portable protection apparatus indication lamp detection tool |
| CN105676621A (en) * | 2016-03-26 | 2016-06-15 | 林捷达 | Intelligent watch with illumination detection |
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Open date: 20100106 |