CN102238772A - Novel light level given device of light emitting diode (LED) navigation light - Google Patents
Novel light level given device of light emitting diode (LED) navigation light Download PDFInfo
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- CN102238772A CN102238772A CN2010101581494A CN201010158149A CN102238772A CN 102238772 A CN102238772 A CN 102238772A CN 2010101581494 A CN2010101581494 A CN 2010101581494A CN 201010158149 A CN201010158149 A CN 201010158149A CN 102238772 A CN102238772 A CN 102238772A
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- light intensity
- lighting level
- given signal
- dimmer
- alternating current
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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 novel light level given device of a light emitting diode (LED) navigation light. The device comprises a dimmer, an isolation transformer and a light intensity controller; an output end of the dimmer is sequentially connected with the isolation transformer and the light intensity controller in series; the light intensity controller is connected with an LED lamp; the dimmer outputs an alternating current of which the frequency corresponds to the frequency of a light level given signal; the alternating current runs through the isolation transformer and then is input to the light intensity controller; the light intensity controller obtains the light level given signal output by the dimmer by detecting the frequency of the input alternating current and controls the light intensity of the LED lamp according to the obtained light level given signal. The light level given signal is hidden in the frequency of the alternating current by the dimmer, and the light intensity controller detects the frequency of the alternating current of an auxiliary edge of the isolation transformer to obtain the light level given signal given by the dimmer.
Description
Technical field
The present invention relates to the light source control technical field, specifically is a kind of novel lighting level setter of LED aid-to-navigation light.
Background technology
Aid-to-navigation light equipment is for aircraft provides bearing directing, the guiding of spiraling, advance the important airport installation of the nearly gradient, the most laggard near, landing information, ground taxi guiding and the guiding of taking off, and is directly connected to flight safety.The main both at home and abroad at present incandescent lamp that uses, bulb life is short, and replacement of products is frequent, and therefore exploitation is significant based on the aid-to-navigation light of LED energy-conserving light source, the not only energy-conservation but also very big life-span that prolongs bulb.
In LED aid-to-navigation light system, it is very important how to assign the given signal of lighting level for the LED light intensity control reliably.Existing way is the acquisition process of carrying out to the isolating transformer secondary current, obtain to carry out the given signal identification of lighting level behind the current effective value such as the range value of gathering described isolating transformer secondary current, but the cost that this method realizes is higher and unreliable, because the current effective value of isolating transformer secondary current is not easy to obtain very much, and the effective value that obtains is also unreliable, the light intensity control that this will influence final control LED aid-to-navigation light influences the normal flight and the landing of aircraft.
Summary of the invention
The invention provides a kind of novel lighting level setter of LED aid-to-navigation light, can obtain the given signal of lighting level by simple circuit, and reliability is higher.
The invention provides a kind of novel lighting level setter of LED aid-to-navigation light, comprise dimmer, isolating transformer and light intensity control, the output of described dimmer successively with described isolating transformer, described light intensity control is connected in series, described light intensity control is connected with the LED light fixture, the alternating current of described dimmer output and the given signal respective frequencies of lighting level, described alternating current inputs to described light intensity control through described isolating transformer, described light intensity control obtains the given signal of lighting level that described dimmer is exported by the frequency that detects institute's input AC electric current, and described light intensity control is controlled the light intensity of described LED light fixture according to the given signal of lighting level that obtains.
The present invention lies in the given signal of lighting level in the frequency of alternating current by described dimmer, described light intensity control detects the frequency of the alternating current of described isolating transformer secondary can obtain the given signal of lighting level that described dimmer provides, described light intensity control can be controlled the light intensity of described LED light fixture by the given signal of the lighting level that is obtained, can obtain the given signal of lighting level by simple circuit, and reliability is higher.
Description of drawings
Fig. 1 is the electrical block diagram of the novel lighting level setter of LED aid-to-navigation light of the present invention;
Fig. 2 is the electrical block diagram of light intensity control in the novel lighting level setter of LED aid-to-navigation light of the present invention.
Among the figure: 1-dimmer, 2-isolating transformer, 3-light intensity control, 4-LED light fixture, 5-zero-crossing detector, 6-counter, 7-frequency computation part module, the given signal identification module of 8-lighting level, 9-memory.
Embodiment
Below in conjunction with the accompanying drawing among the present invention, the technical scheme among the present invention is clearly and completely described.
Figure 1 shows that the electrical block diagram of the novel lighting level setter of LED aid-to-navigation light of the present invention, the novel lighting level setter of described LED aid-to-navigation light comprises dimmer 1, isolating transformer 2 and light intensity control 3, the output of described dimmer 1 is connected in series with isolating transformer 2, light intensity control 3 successively, and each light intensity control 3 connects a LED light fixture 4.The alternating current of dimmer 1 output and the given signal respective frequencies of lighting level, described alternating current inputs to light intensity control 3 through isolating transformer 2, light intensity control 3 obtains the given signal of lighting level that dimmer 1 is exported by the frequency that detects institute's input AC electric current, and described light intensity control 3 is controlled the light intensity of LED light fixture 4 according to the given signal of lighting level that obtains.
The alternating current of described dimmer 1 output and the given signal respective frequencies of lighting level, be that the given signal of described lighting level lies in the frequency of described alternating current, for example the alternating current of 48HZ is represented 1 grade of given signal of light intensity, and the alternating current of 49HZ is represented 2 grades of given signals of light intensity.Certainly, the frequency corresponding relation of given signal of concrete lighting level and alternating current also can be other situations, in this not narration one by one.
Described and the alternating current given signal respective frequencies of lighting level can pass through filter filtering in dimmer, step-up transformer boosts afterwards to export and enters described isolating transformer 2 again.
Please refer to Fig. 2, described light intensity control 3 comprises zero-crossing detector 5, counter 6, frequency computation part module 7, the given signal identification module 8 of lighting level and memory 9.
Described zero-crossing detector 5 is connected with the secondary of described isolating transformer 2, is used for obtaining behind the alternating current from the secondary of described isolating transformer 2 producing skip signal when the zero passage, and sends described skip signal to described counter 6.
Described counter 6 is used to count the number of the umber of pulse of the fixed frequency that described zero-crossing detector 5 produces by system clock when twice zero passage, because being alternating currents at described isolating transformer 2 secondary, described zero-crossing detector 5 produces a skip signal during through zero crossing, and the time between two skip signal can measure, so described frequency computation part module 7 can calculate the frequency of the alternating current of described isolating transformer 2 secondary according to two saltus step intercadence strokes per minute of described counter 6 statistics.
The mapping table of the frequency of described memory 9 storage given signals of described lighting level and alternating current, the frequency that the given signal identification module 8 of described lighting level calculates according to described frequency computation part module 7, the mapping table according to the frequency of the given signal of described lighting level of described memory 9 storages and alternating current can obtain the given signal of lighting level that described dimmer 1 provides then.
Described light intensity control 3 is transformed to direct current with the alternating current of isolating transformer secondary 2, and the size of the direct current of the given signal controlling LED light fixture of lighting level that provides according to the described dimmer 1 that obtains can realize the light intensity control of LED aid-to-navigation light thus then.
The present invention lies in the given signal of lighting level in the frequency of alternating current by dimmer 1, the frequency that described light intensity control 3 detects the alternating current of described isolating transformer 2 secondary can be obtained the given signal of lighting level that described dimmer 1 provides, described light intensity control can be controlled the light intensity of LED light fixture 4 by the given signal of the lighting level that is obtained, can obtain the given signal of lighting level by simple circuit, and reliability is higher.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly belongs to those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (4)
1. the novel lighting level setter of a LED aid-to-navigation light, it is characterized in that: comprise dimmer (1), isolating transformer (2) and light intensity control (3), the output of described dimmer (1) successively with described isolating transformer (2), described light intensity control (3) is connected in series, described light intensity control (3) is connected with LED light fixture (4), the alternating current of described dimmer (1) output and the given signal respective frequencies of lighting level, described alternating current inputs to described light intensity control (3) through described isolating transformer (2), described light intensity control (3) obtains the given signal of lighting level that described dimmer (1) is exported by the frequency that detects institute's input AC electric current, and described light intensity control (3) is controlled the light intensity of described LED light fixture (4) according to the given signal of lighting level that obtains.
2. lighting level setter as claimed in claim 1 is characterized in that: the given signal of described lighting level passes through filter filtering in described dimmer (1), step-up transformer boosts and afterwards exports the alternating current of respective frequencies.
3. lighting level setter as claimed in claim 1, it is characterized in that: described light intensity control (3) comprises zero-crossing detector (5), counter (6), frequency computation part module (7), the given signal identification module of lighting level (8) and memory (9), described zero-crossing detector (5) is connected with the secondary of described isolating transformer (2), is used for obtaining the skip signal that alternating current produces when the current over-zero from the secondary of described isolating transformer (2); Described counter (6) is used to calculate the umber of pulse of the fixed frequency that described zero-crossing detector (5) produces by system clock when twice zero passage; Described frequency computation part module (7) calculates the frequency of described alternating current according to the umber of pulse of described counter (6) statistics; The mapping table of the frequency of described memory (9) storage given signal of described lighting level and alternating current; The frequency that the given signal identification module of described lighting level (8) calculates according to described frequency computation part module (7) obtains the given signal of lighting level that described dimmer (1) provides according to described mapping table then.
4. lighting level setter as claimed in claim 1, it is characterized in that: described light intensity control (3) is controlled the light intensity of described LED light fixture (4) according to the given signal of lighting level that obtains and comprised: described light intensity control (3) is transformed to direct current with the alternating current of isolating transformer secondary (2), then the size of the direct current of the given signal controlling LED light fixture of lighting level (4) that provides according to the described dimmer (1) that obtains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101581494A CN102238772A (en) | 2010-04-21 | 2010-04-21 | Novel light level given device of light emitting diode (LED) navigation light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101581494A CN102238772A (en) | 2010-04-21 | 2010-04-21 | Novel light level given device of light emitting diode (LED) navigation light |
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| Publication Number | Publication Date |
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| CN102238772A true CN102238772A (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101581494A Pending CN102238772A (en) | 2010-04-21 | 2010-04-21 | Novel light level given device of light emitting diode (LED) navigation light |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537787A (en) * | 2011-12-30 | 2012-07-04 | 中国民用航空总局第二研究所 | Runway LED center line light for airport |
| CN102665351A (en) * | 2012-05-11 | 2012-09-12 | 无锡安邦电气有限公司 | Self-learning LED (Light-Emitting Diode) navigation aiding lamplight strength control device |
| CN104853494A (en) * | 2015-05-18 | 2015-08-19 | 中国民用航空总局第二研究所 | Navigation assisting lamp |
| CN111867209A (en) * | 2020-06-23 | 2020-10-30 | 中国民用航空总局第二研究所 | Control method, device and system for airport navigation aid lamp set |
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| CN1606396A (en) * | 2000-02-24 | 2005-04-13 | 株式会社日立制作所 | Device for turning on light and illumination apparatus |
| CN1864380A (en) * | 2003-09-12 | 2006-11-15 | 英飞凌科技股份公司 | Method and device for calculating zero crossing reference sequences for signal detection of angle-modulated signals based on zero crossings of the received signal |
| CN2862581Y (en) * | 2005-06-03 | 2007-01-24 | 汕头大学 | LED lamplight modulating system for airport aviation aid |
| CN101663918A (en) * | 2007-03-12 | 2010-03-03 | 塞瑞斯逻辑公司 | Lighting system with lighting dimmer output mapping |
| CN201657433U (en) * | 2010-04-21 | 2010-11-24 | 武汉市鑫铸航科技有限责任公司 | Novel lighting level determining device for LED navigational lamp |
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2010
- 2010-04-21 CN CN2010101581494A patent/CN102238772A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1606396A (en) * | 2000-02-24 | 2005-04-13 | 株式会社日立制作所 | Device for turning on light and illumination apparatus |
| CN1864380A (en) * | 2003-09-12 | 2006-11-15 | 英飞凌科技股份公司 | Method and device for calculating zero crossing reference sequences for signal detection of angle-modulated signals based on zero crossings of the received signal |
| CN2862581Y (en) * | 2005-06-03 | 2007-01-24 | 汕头大学 | LED lamplight modulating system for airport aviation aid |
| CN101663918A (en) * | 2007-03-12 | 2010-03-03 | 塞瑞斯逻辑公司 | Lighting system with lighting dimmer output mapping |
| CN201657433U (en) * | 2010-04-21 | 2010-11-24 | 武汉市鑫铸航科技有限责任公司 | Novel lighting level determining device for LED navigational lamp |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537787A (en) * | 2011-12-30 | 2012-07-04 | 中国民用航空总局第二研究所 | Runway LED center line light for airport |
| CN102537787B (en) * | 2011-12-30 | 2013-10-02 | 中国民用航空总局第二研究所 | Runway LED center line light for airport |
| CN102665351A (en) * | 2012-05-11 | 2012-09-12 | 无锡安邦电气有限公司 | Self-learning LED (Light-Emitting Diode) navigation aiding lamplight strength control device |
| CN102665351B (en) * | 2012-05-11 | 2014-05-07 | 无锡安邦电气有限公司 | Self-learning LED (Light-Emitting Diode) navigation aiding lamplight strength control device |
| CN104853494A (en) * | 2015-05-18 | 2015-08-19 | 中国民用航空总局第二研究所 | Navigation assisting lamp |
| CN104853494B (en) * | 2015-05-18 | 2017-08-25 | 中国民用航空总局第二研究所 | A kind of aid-to-navigation light and its control method |
| CN111867209A (en) * | 2020-06-23 | 2020-10-30 | 中国民用航空总局第二研究所 | Control method, device and system for airport navigation aid lamp set |
| CN111867209B (en) * | 2020-06-23 | 2023-08-11 | 中国民用航空总局第二研究所 | Control method, device and system of airport navigation aid lamp set |
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Application publication date: 20111109 |