CN103852735A - Lamp fixture discharge timing circuit - Google Patents
Lamp fixture discharge timing circuit Download PDFInfo
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- CN103852735A CN103852735A CN201210496683.5A CN201210496683A CN103852735A CN 103852735 A CN103852735 A CN 103852735A CN 201210496683 A CN201210496683 A CN 201210496683A CN 103852735 A CN103852735 A CN 103852735A
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- light fixture
- electric discharge
- light
- control module
- discharge timing
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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 provides a lamp fixture discharge timing circuit. The lamp fixture discharge timing circuit comprises at least two light-sensitive elements, a control unit, a display unit and a warning unit. The light-sensitive elements, when receiving light emitted from a corresponding light source, output corresponding sensing signals to the control unit. The control unit begins to perform discharge timing on corresponding lamp fixtures. When the control unit cannot receive the sensing signals, the control unit ends the discharge timing on the corresponding lamp fixtures. The control unit starts the warning unit to alarm to indicate that discharge of a certain lamp fixture ends, and controls the display unit to display the number and the discharge timing time of the lamp fixture which ends discharge, such that it is unnecessary for a tester to stay in a test environment to manually record the discharge time of the lamp fixtures, labor is saved, and the test working efficiency is improved.
Description
Technical field
The present invention relates to lighting field, relate in particular to a kind of light fixture electric discharge timing circuit.
Background technology
Conventionally, light fixture needs through every test before dispatching from the factory.Especially for battery discharge light fixture, the test of the discharge time to light fixture is particularly important.In to the test process of battery discharge light fixture, need tester to monitor the whole discharge process of light fixture.In the time that light fixture extinguishes, tester need to manually record the discharge time of light fixture.In the time that tester carries out discharge test to multiple battery discharge light fixtures simultaneously, because capacity and the discharge current of different batteries are not of uniform size, the discharge time of each light fixture can be different, more increased the weight of tester's burden.Caused like this manpower waste, and work efficiency is not high.
Summary of the invention
The object of the present invention is to provide a kind of light fixture electric discharge timing circuit, to save manpower, and provide work efficiency.
In order to solve the problems of the technologies described above, the invention provides 1. 1 kinds of light fixture electric discharge timing circuits, while being used for, in the time that at least two light fixtures carry out discharge test, described light fixture is carried out to discharge gage, described light fixture electric discharge timing circuit comprises: at least two light activated elements, control module, display unit and warning unit, described control module is connected to described light activated element, described display unit and described warning unit, the light source of the corresponding light fixture of each light activated element receives the light that respective sources is sent, when described light activated element receives the light time that corresponding light source sends, described light activated element is exported corresponding induced signal to described control module, when described control module starts corresponding light fixture to carry out discharge gage according to the induced signal receiving, in the time that described control module does not receive induced signal, when described control module finishes the discharge gage of corresponding light fixture, described control module is used for starting warning unit and reports to the police, finish to be shown with light fixture electric discharge, and control numbering and the electric discharge timing time thereof that described display unit shows the light fixture that electric discharge finishes.
Wherein, described light activated element is photodiode, described photodiode is connected between voltage end and described control module, described voltage end provides DC voltage, when described photodiode receives the light time that corresponding light source sends, described photodiode conducting, thus corresponding induced signal exported to described control module.
Wherein, the anode of described photodiode is connected to respectively a data pin of described controller, and the negative electrode of described photodiode is all connected to described voltage end.
Wherein, described warning unit comprises switching tube and attention device, the control end of described switching tube is connected to described control module, the first end of described switching tube is connected to described attention device, the second end of described switching tube is connected to the output terminal of power supply unit, the DC voltage of exporting to receive the output terminal of described power supply unit, in the time that described control module does not receive induced signal, described control module outputs control signals to the control end of described switching tube, described switching tube conducting, described attention device is activated, and finishes to be shown with light fixture electric discharge.
Wherein, described switching tube is NPN triode, control end, first end and second end of described switching tube is respectively base stage, emitter and the collector of described triode, described attention device is loudspeaker, the control end of the described pipe that opens the light is connected to the voltage end of described loudspeaker, the earth terminal ground connection of described loudspeaker.
Wherein, described light fixture electric discharge timing circuit also comprises power supply unit, the output terminal of described power supply unit is as described voltage end, to export described DC voltage, described power supply unit comprises battery and switch, the positive pole of described battery is connected to the first end of described switch, and the second end of described switch is as the output terminal of described power supply unit, the minus earth of described battery.
Wherein, described power supply unit also comprises indication subelement, and described indication subelement is connected to described battery by described switch, to send indicator signal during lower than predeterminated voltage at the voltage of described battery, to inform described in tester that battery is in low-voltage state.
Wherein, described indication subelement comprises first to fourth resistance, voltage stabilizing diode, light emitting diode and comparer, described the first resistance and described the second resistance are connected between second end and ground of described switch, the node of described the first resistance and described the second resistance is connected to the inverting input of described comparer, the in-phase input end of described comparer is connected to the negative electrode of described voltage stabilizing diode, and be connected to the second end of described switch by described the 3rd resistance, the output terminal of described comparer is connected to the anode of described light emitting diode, the negative electrode of described light emitting diode is by described the 4th resistance eutral grounding.
Wherein, described display unit comprises the first charactron and the second charactron, described the first charactron and the second charactron are all connected to described control module, described the first charactron is used for the numbering of the light fixture that shows electric discharge end, described the second charactron is used for the electric discharge timing time of the light fixture that shows electric discharge end, in the time that multiple light fixtures all discharge end, described the first charactron shows the numbering of the light fixture of electric discharge end successively in turn, the discharge time of described the second charactron light fixture that demonstration electric discharge finishes in turn successively accordingly.
Wherein, described display unit also comprises display, and described display is connected to described controller, the numbering of light fixture and the electric discharge timing time of correspondence that finish for recording and show all electric discharges.
Light fixture electric discharge timing circuit of the present invention comprises at least two light activated elements, control module, display unit and warning unit.When described light activated element receives the light time that corresponding light source sends, described light activated element is exported corresponding induced signal to described control module.When described control module starts corresponding light fixture to carry out discharge gage.In the time that described control module does not receive induced signal, when described control module finishes the discharge gage of corresponding light fixture.Described control module starts warning unit and reports to the police, finish to be shown with light fixture electric discharge, and control numbering and the electric discharge timing time thereof that described display unit shows the light fixture that electric discharge finishes, thereby rest in test environment manually to carrying out record the discharge time of light fixture without tester, save manpower, the work efficiency of test is provided.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the block diagram of light fixture preferred embodiments of the present invention;
Fig. 2 is the circuit diagram of light fixture preferred embodiments of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
Refer to Fig. 1, preferred embodiments of the present invention provides a kind of light fixture electric discharge timing circuit 100.Described lamp light fixture electric discharge timing circuit 100 when carrying out discharge gage to described light fixture in the time that at least two light fixture (not shown) carry out discharge test.
Described light fixture electric discharge timing circuit 100 comprises at least two light activated elements 10, control module 20, display unit 30 and warning unit 40.Described control module 20 is connected to described light activated element 10, described display unit 30 and described warning unit 40.Wherein, the light source of each light activated element 10 corresponding light fixture receives the light that respective sources is sent.When described light activated element 10 receives the light time that respective sources is sent, described light activated element is exported corresponding induced signal to described control module 20.When described control module 20 starts corresponding light fixture to carry out discharge gage according to the induced signal receiving.In the time that described control module 20 does not receive induced signal, show that corresponding light fixture extinguishes, when described control module 20 finishes the discharge gage of corresponding light fixture.Now, described control module 20 is reported to the police for starting warning unit 40, finishes, and control numbering and the electric discharge timing time thereof that described display unit 30 shows the light fixture that electric discharge finishes to be shown with light fixture electric discharge.
Described light fixture electric discharge timing circuit 100 can also comprise power supply unit 50.Described power supply unit 50 is for output dc voltage.Described power supply unit 50 is connected to described light activated element 10, described control module 20 and described warning unit 40, to export described DC voltage to described light activated element 10, described control module 20 and described warning unit 40.
Please continue to refer to Fig. 2, described power supply unit 50 comprises battery 51 and switch 52.The positive pole of described battery 51 is connected to the first end of described switch 52.The second end of described switch 52 is as the output terminal (also making voltage end) of described power supply unit 50.The minus earth of described battery 51.
Further, described power supply unit 50 also comprises indication subelement 53.Described indication subelement 53 is connected to the second end of described switch 52, to send indicator signal during lower than predeterminated voltage at the voltage of described battery 51, to inform described in tester that battery 51 is in low-voltage state.In the time that described battery 51 is rechargeable battery, described indication subelement 53 informs that tester need to charge to described battery 51.
Particularly, described indication subelement 53 comprises first to fourth resistance R 1-R4, voltage stabilizing diode Z1, light emitting diode D1 and comparer U1.Described the first resistance R 1 and described the second resistance R 2 are connected between second end and ground of described switch 52.The node of described the first resistance R 1 and described the second resistance R 2 is connected to the inverting input of described comparer U1.The in-phase input end of described comparer U1 is connected to the negative electrode of described voltage stabilizing diode Z1, and is connected to the second end of described switch 52 by described the 3rd resistance R 3.The output terminal of described comparer U1 is connected to the anode of described light emitting diode D1.The negative electrode of described light emitting diode D1 is by described the 4th resistance R 4 ground connection.
Described display unit 30 comprises the first charactron 31 and the second charactron 32.Described warning unit 40 comprises switching tube 41 and attention device 42.Described control module 20 comprises controller 21 and reset circuit 22.
In the present embodiment, described light activated element 10 is photodiode.Described photodiode is connected between the output terminal and described control module 20 of described power supply unit 50.When described photodiode receives the light time that corresponding light source sends, described photodiode conducting, thus export corresponding induced signal to described control module 20.
Particularly, the anode of described photodiode is connected to respectively a data pin of described controller 21.The negative electrode of described photodiode is all connected to the second end of described switch 52, to receive described DC voltage.
The control end of described switching tube 41 is connected to the data pin of described control module 40.The first end of described switching tube 41 is connected to described attention device 42.The second end of described switching tube 41 is connected to the output terminal of described power supply unit 50, to receive described DC voltage.In the time that described control module 20 does not receive induced signal, described switching tube 41 conductings are controlled in described control module 20 outputs, and described attention device 42 is activated, and finish to be shown with light fixture electric discharge.
Particularly, described switching tube 41 is NPN triode.Control end, first end and second end of described switching tube 41 is respectively base stage, emitter and the collector of described triode.Described attention device 42 is loudspeaker.The described control end that opens the light pipe 41 is connected to the voltage end of described loudspeaker.The earth terminal ground connection of described loudspeaker.
Described the first charactron 31 and the second charactron 32 are all connected to the data pin of described controller 21.In the time that a certain data pin of described controller 21 does not receive induced signal, show that light fixture electric discharge corresponding to this data pin finishes, described controller 21 is controlled the numbering that described the first charactron 31 shows the light fixture that these electric discharges finish, and controls the electric discharge timing time that described the second charactron 32 shows the light fixture that these electric discharges finish.In the time that multiple light fixtures all discharge end, described controller 21 is controlled the numbering of described the first charactron 31 light fixture that demonstration electric discharge finishes in turn successively, and controls the discharge time that described the second charactron 32 shows the light fixture of the end of discharging accordingly successively in turn.In the time that the first charactron 31 shows the numbering of light fixture of electric discharge end, described the second charactron 32 shows corresponding electric discharge timing time simultaneously.
Further, described display unit 30 can also comprise display (not shown).Described display is connected to described controller 21, for recording and show numbering and the corresponding electric discharge timing time of the light fixture that all electric discharges finish, clearly learns the electric discharge timing time of each light fixture for tester after test finishes.
Described reset circuit 22 comprises switch S 2, capacitor C 1, the 5th resistance R 5 and the 6th resistance R 6.The positive pole of described capacitor C 1 is connected to the output terminal of described power supply unit 50.The negative pole of described capacitor C 1 is connected to the reset pin of described controller 21.The first end of described switch S 2 is connected to the reset pin of described controller 21, and by described the 6th resistance R 6 ground connection.The second end of described switch S 2 is connected to the output terminal of described power supply unit 50 by described the 5th resistance R 5.
The specific works principle of a kind of light fixture electric discharge of the present invention timing circuit is as follows:
In the time that described switch 52 is pressed, described battery 51 provides DC voltage for described photodiode, controller 21 and described switching tube 41.In the time that each light fixture irradiates corresponding photodiode, described photodiode conducting.The data pin of the photodiode that is connected to conducting of described controller receives high level signal (as induced signal), and starts corresponding photodiode to carry out timing.When some light fixture electric discharges receive, the light fixture that described electric discharge finishes provides and irradiates corresponding photodiode.Described photodiode cut-off.The data pin corresponding with photodiode described cut-off described controller 21 do not receive described high level signal, and described controller 21 is exported the control end of high level signal (control signal) to described switching tube 41.Described switching tube 41 conductings, thus described attention device 42 started, finish to be shown with light fixture electric discharge.Wherein, described controller 21 is interior is connected to numbering of data pin storage of light fixture to each.The numbering of described data pin is identical with the numbering of light fixture.In the time that described controller 21 recognizes a certain data pin and does not receive high level signal, described controller 21 is controlled described the first charactron 31 and is shown the numbering of the data pin that does not receive high level signal, and controls the corresponding electric discharge timing time that does not receive the light fixture of the data pin of high level signal of described the second charactron 32 demonstration.In the time that multiple light fixtures all discharge end, described controller 21 control described the first charactron 31 successively alternately show the numbering of data pin that does not receive high level signal, and control the electric discharge timing time that described the second charactron 32 shows the light fixture that corresponding electric discharge finishes accordingly successively in turn.Therefore, tester can clearly learn that according to first and second charactron 31 and 32 which light fixture the light fixture that electric discharge receives is, and learns the discharge time of the light fixture that this electric discharge finishes.
Principle for the battery capacity indication process to battery 51 in power supply unit 50 is as follows:
The inverting input of described comparer U1 receives predeterminated voltage.The in-phase input end of described comparer U1 receives the branch pressure voltage of the DC voltage of the output of described battery 51.The more described branch pressure voltage of described comparer U1 and described predeterminated voltage.In the time that described branch pressure voltage is less than described predeterminated voltage, described comparer U1 output high level signal is to the anode of described light emitting diode D1.Described light emitting diode D1 is luminous, to show that described battery 51 is in low state of charge.In the time that described branch pressure voltage is greater than described predeterminated voltage, described comparer U1 output low level signal is to the anode of described light emitting diode D1.Described light emitting diode D1 is not luminous, to show that described battery 51 is not in low state of charge.
In this preferred embodiments, described light fixture electric discharge timing circuit 100 comprises at least two light activated elements 10, control module 20, display unit 30 and warning unit 40.When described light activated element 10 receives the light time that corresponding light source sends, described light activated element 10 is exported corresponding induced signal to described control module 20.When described control module 20 starts corresponding light fixture to carry out discharge gage.In the time that described control module 20 does not receive induced signal, when described control module 20 finishes the discharge gage of corresponding light fixture.Described control module 20 starts warning unit 40 and reports to the police, finish to be shown with light fixture electric discharge, and control numbering and the electric discharge timing time thereof that described display unit 30 shows the light fixture that electric discharge finishes, thereby rest in test environment manually to carrying out record the discharge time of light fixture without tester, save manpower, the work efficiency of test is provided.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a light fixture electric discharge timing circuit, while being used for, in the time that at least two light fixtures carry out discharge test, described light fixture is carried out to discharge gage, described light fixture electric discharge timing circuit comprises: at least two light activated elements, control module, display unit and warning unit, described control module is connected to described light activated element, described display unit and described warning unit, the light source of the corresponding light fixture of each light activated element receives the light that respective sources is sent, when described light activated element receives the light time that corresponding light source sends, described light activated element is exported corresponding induced signal to described control module, when described control module starts corresponding light fixture to carry out discharge gage according to the induced signal receiving, in the time that described control module does not receive induced signal, when described control module finishes the discharge gage of corresponding light fixture, described control module is used for starting warning unit and reports to the police, finish to be shown with light fixture electric discharge, and control numbering and the electric discharge timing time thereof that described display unit shows the light fixture that electric discharge finishes.
2. light fixture electric discharge timing circuit according to claim 1, it is characterized in that, described light activated element is photodiode, described photodiode is connected between voltage end and described control module, described voltage end provides DC voltage, when described photodiode receives the light time that corresponding light source sends, described photodiode conducting, thus export corresponding induced signal to described control module.
3. light fixture electric discharge timing circuit according to claim 2, is characterized in that, the anode of described photodiode is connected to respectively a data pin of described controller, and the negative electrode of described photodiode is all connected to described voltage end.
4. light fixture electric discharge timing circuit according to claim 1, it is characterized in that, described warning unit comprises switching tube and attention device, the control end of described switching tube is connected to described control module, the first end of described switching tube is connected to described attention device, the second end of described switching tube is connected to the output terminal of power supply unit, the DC voltage of exporting to receive the output terminal of described power supply unit, in the time that described control module does not receive induced signal, described control module outputs control signals to the control end of described switching tube, described switching tube conducting, described attention device is activated, finish to be shown with light fixture electric discharge.
5. light fixture electric discharge timing circuit according to claim 4, it is characterized in that, described switching tube is NPN triode, control end, first end and second end of described switching tube is respectively base stage, emitter and the collector of described triode, described attention device is loudspeaker, the control end of the described pipe that opens the light is connected to the voltage end of described loudspeaker, the earth terminal ground connection of described loudspeaker.
6. according to the light fixture electric discharge timing circuit described in any one in claim 2-5 item, it is characterized in that, described light fixture electric discharge timing circuit also comprises power supply unit, the output terminal of described power supply unit is as described voltage end, to export described DC voltage, described power supply unit comprises battery and switch, and the positive pole of described battery is connected to the first end of described switch, the second end of described switch is as the output terminal of described power supply unit, the minus earth of described battery.
7. light fixture electric discharge timing circuit according to claim 6, it is characterized in that, described power supply unit also comprises indication subelement, described indication subelement is connected to described battery by described switch, to send indicator signal during lower than predeterminated voltage at the voltage of described battery, to inform described in tester that battery is in low-voltage state.
8. light fixture electric discharge timing circuit according to claim 7, it is characterized in that, described indication subelement comprises first to fourth resistance, voltage stabilizing diode, light emitting diode and comparer, described the first resistance and described the second resistance are connected between second end and ground of described switch, the node of described the first resistance and described the second resistance is connected to the inverting input of described comparer, the in-phase input end of described comparer is connected to the negative electrode of described voltage stabilizing diode, and be connected to the second end of described switch by described the 3rd resistance, the output terminal of described comparer is connected to the anode of described light emitting diode, the negative electrode of described light emitting diode is by described the 4th resistance eutral grounding.
9. light fixture electric discharge timing circuit according to claim 1, it is characterized in that, described display unit comprises the first charactron and the second charactron, described the first charactron and the second charactron are all connected to described control module, described the first charactron is used for the numbering of the light fixture that shows electric discharge end, described the second charactron is used for the electric discharge timing time of the light fixture that shows electric discharge end, in the time that multiple light fixtures all discharge end, described the first charactron shows the numbering of the light fixture of electric discharge end successively in turn, described the second charactron shows the discharge time of the light fixture of electric discharge end accordingly successively in turn.
10. light fixture electric discharge timing circuit according to claim 9, it is characterized in that, described display unit also comprises display, and described display is connected to described controller, the numbering of light fixture and the electric discharge timing time of correspondence that finish for recording and show all electric discharges.
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| CN201210496683.5A CN103852735B (en) | 2012-11-29 | 2012-11-29 | Lamp fixture discharge timing circuit |
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| CN201210496683.5A CN103852735B (en) | 2012-11-29 | 2012-11-29 | Lamp fixture discharge timing circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015801A (en) * | 2015-06-02 | 2015-11-04 | 中航飞机股份有限公司西安飞机分公司 | Undercarriage raising/lowering time detection device |
| CN107229215A (en) * | 2017-05-17 | 2017-10-03 | 福建省正毅工业计量站有限公司 | A kind of time detection device and detection method |
| CN107957563A (en) * | 2017-11-15 | 2018-04-24 | 浙江大华技术股份有限公司 | A kind of lamp state detection circuit and device |
| WO2019015058A1 (en) * | 2017-07-17 | 2019-01-24 | 深圳市华星光电半导体显示技术有限公司 | Discharge signal triggering circuit and display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006129564A (en) * | 2004-10-26 | 2006-05-18 | Matsushita Electric Works Ltd | Discharge lamp lighting device, lighting equipment, and lighting system |
| CN101055306A (en) * | 2006-04-12 | 2007-10-17 | 佛山市顺德区顺达电脑厂有限公司 | Discharge time timing unit of electric power system and its method |
| CN101389172A (en) * | 2007-09-12 | 2009-03-18 | 浙江晶日照明科技有限公司 | Wireless detection control system for street lamp |
| CN101620765A (en) * | 2009-08-18 | 2010-01-06 | 王家滨 | Light induction monitoring alarm system |
| CN101625400A (en) * | 2009-08-14 | 2010-01-13 | 上海半导体照明工程技术研究中心 | Long-time simultaneous online photoelectric detection method of large quantity of LED lamps and device thereof |
| CN102759717A (en) * | 2011-04-28 | 2012-10-31 | 海洋王照明科技股份有限公司 | Lamp and discharge extinction alarming circuit thereof |
-
2012
- 2012-11-29 CN CN201210496683.5A patent/CN103852735B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006129564A (en) * | 2004-10-26 | 2006-05-18 | Matsushita Electric Works Ltd | Discharge lamp lighting device, lighting equipment, and lighting system |
| CN101055306A (en) * | 2006-04-12 | 2007-10-17 | 佛山市顺德区顺达电脑厂有限公司 | Discharge time timing unit of electric power system and its method |
| CN101389172A (en) * | 2007-09-12 | 2009-03-18 | 浙江晶日照明科技有限公司 | Wireless detection control system for street lamp |
| CN101625400A (en) * | 2009-08-14 | 2010-01-13 | 上海半导体照明工程技术研究中心 | Long-time simultaneous online photoelectric detection method of large quantity of LED lamps and device thereof |
| CN101620765A (en) * | 2009-08-18 | 2010-01-06 | 王家滨 | Light induction monitoring alarm system |
| CN102759717A (en) * | 2011-04-28 | 2012-10-31 | 海洋王照明科技股份有限公司 | Lamp and discharge extinction alarming circuit thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015801A (en) * | 2015-06-02 | 2015-11-04 | 中航飞机股份有限公司西安飞机分公司 | Undercarriage raising/lowering time detection device |
| CN107229215A (en) * | 2017-05-17 | 2017-10-03 | 福建省正毅工业计量站有限公司 | A kind of time detection device and detection method |
| WO2019015058A1 (en) * | 2017-07-17 | 2019-01-24 | 深圳市华星光电半导体显示技术有限公司 | Discharge signal triggering circuit and display device |
| CN107957563A (en) * | 2017-11-15 | 2018-04-24 | 浙江大华技术股份有限公司 | A kind of lamp state detection circuit and device |
| CN107957563B (en) * | 2017-11-15 | 2020-04-03 | 浙江大华技术股份有限公司 | Lamp state detection circuit and device |
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| Publication number | Publication date |
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| CN103852735B (en) | 2017-02-08 |
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