CN101865401A - Aid-to-navigation lamp - Google Patents
Aid-to-navigation lamp Download PDFInfo
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- CN101865401A CN101865401A CN200910106727A CN200910106727A CN101865401A CN 101865401 A CN101865401 A CN 101865401A CN 200910106727 A CN200910106727 A CN 200910106727A CN 200910106727 A CN200910106727 A CN 200910106727A CN 101865401 A CN101865401 A CN 101865401A
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Abstract
The invention relates to an aid-to-navigation lamp. Based on the conventional constant current dimmer, an LED is used as a light source of the aid-to-navigation lamp; and low DC drive current required by the LED is provided for the LED by using a simple circuit. The aid-to-navigation lamp comprises an LED load for providing the light source for the aid-to-navigation lamp, the constant current dimmer for providing a constant current source for the LED load, a current transformer for zooming out constant current output by the constant current dimmer, and a rectifying filter circuit which is connected with the LED load and used for rectifying and filtering the current transformed by the current transformer to drive the LED load. The aid-to-navigation lamp provided by the invention has the advantages of high compatibility with the conventional airport system, small investment, low energy consumption, simple structure, high reliability, long service life, and capability of conveniently dimming.
Description
Technical field
The present invention relates to a kind of aid-to-navigation light, more particularly, relate to a kind of LED aid-to-navigation light that is used for the airport.
Background technology
At present, aid-to-navigation light adopts traditional light fixture usually in the airport, as high-pressure mercury lamp, halogen tungsten lamp etc.Traditional halogen tungsten lamp light source is by thermoluminescence, the light adjusting system of existing aid-to-navigation light utilize the halogen tungsten light source by the thermoluminescence characteristic, adopt wave chopping technology, only consider that current effective value realizes light modulation.Existing light adjusting system generally includes the constant-current dimmer of the constant alternating current of output, and several are connected on the isolating transformer on the output loop of constant-current dimmer, and the secondary coil of isolating transformer connects light fixture then; When the output current of constant-current dimmer changes, cause the variation of intensity of light by the variation of its isolating transformer secondary current that causes, thereby realized control lamplight brightness.
Yet along with development of science and technology, led light source low by energy consumption gradually, energy-saving and environmental protection substitutes the halogen tungsten light source because luminous efficiency is low, cost is high, the life-span is short, and it also is the inexorable trend of development that LED is applied on the aid-to-navigation light.But, the constant current of constant-current dimmer output is not the needed low constant dc of LED in the existing aid-to-navigation light light adjusting system, it is driving LED directly, and this light adjusting system only is applicable to conventional light source, therefore, existing aid-to-navigation light light adjusting system can not directly be applied on the aid-to-navigation light that adopts led light source.And the isolating transformer of a plurality of series connection of available technology adopting is realized light modulation, whole light adjusting system complex structure, and the complicated more reliability of structure is low more.
Summary of the invention
The technical problem to be solved in the present invention is, the defective that above-mentioned light source energy consumption height, system architecture complexity, reliability at airfield aid in the prior art be low, be not easy to light modulation provides a kind of LED of use aid-to-navigation light that the energy consumption that can conveniently carry out light modulation is low, simple in structure, reliability is high, the life-span is long as light source.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of aid-to-navigation light, it comprises: provide the navaid light source the LED load, to described LED load provide constant-current source constant-current dimmer, the power pack of scale transformation, being used for of linking to each other with described LED load are carried out in the constant current of described constant-current dimmer output the electric current after the power pack conversion are carried out the current rectifying and wave filtering circuit of rectifying and wave-filtering with the driving LED load.
In aid-to-navigation light of the present invention, the constant current value of described constant-current dimmer output is two or more.
In aid-to-navigation light of the present invention, the constant current value of described constant-current dimmer output is five.
In aid-to-navigation light of the present invention, described current rectifying and wave filtering circuit comprise the rectifier bridge that links to each other with described power pack and be connected in the output of rectifier bridge and ground between be used for filter circuit for filtering.
In aid-to-navigation light of the present invention, described filter circuit comprises in parallel capacitor C 1, C3 and C5, and in parallel with described LED load after the described capacitor C 1, C3, C5 parallel connection.
In aid-to-navigation light of the present invention, described filter circuit also comprises and capacitor C 1, C3, C5 parallel resistor R3.
In aid-to-navigation light of the present invention, described current rectifying and wave filtering circuit also comprises resistance R 5, resistance R 5 with connect by the filter circuit of resistance R 3, capacitor C 1, C3, C5 parallel connection after, in parallel with described LED load again.
Implement aid-to-navigation light of the present invention, has following beneficial effect: by adopting constant-current dimmer, in conjunction with led light source as aid-to-navigation light, make that energy consumption of the present invention is low, the life-span is long, can carry out light modulation easily, and only need adopt power pack and current rectifying and wave filtering circuit, make that overall structure is simple, reliability is high.
And it is that voltage is converted to electric current again that the present invention does not need current conversion, does not also use chip, adopt simple circuit to make the present invention have stronger anti-external interference ability, and adopt three electric capacity and resistance filtering together, make power source life improve the life-span of further having improved light fixture.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the theory diagram of aid-to-navigation light of the present invention;
Fig. 2 is the circuit theory diagrams of a preferred embodiment of aid-to-navigation light of the present invention.
The specific embodiment
The present invention realizes that the aid-to-navigation light light source is converted to LED by conventional light source such as halogen tungsten lamps in the airport, by constant-current dimmer 100 direct driving LED light sources, and does not need other dim signal to go to regulate the brightness of led light source.
To shown in Figure 2, Fig. 1 is the theory diagram of aid-to-navigation light of the present invention referring to Fig. 1, the present invention includes the constant-current dimmer 100 that connects successively, power pack 200, current rectifying and wave filtering circuit 300, and LED load 400.Constant-current dimmer 100 is that all general being used to provides the constant-current source of constant alternating current to various lamps in the airport.In aid-to-navigation light of the present invention, constant-current dimmer 100 is used for that load provides constant-current source to LED, the LED load is as the light source of aid-to-navigation light, power pack carries out scale transformation to be transformed to the electric current that is fit to driving LED with the constant current of constant-current dimmer output, and current rectifying and wave filtering circuit is used for the electric current after the power pack conversion is carried out rectifying and wave-filtering with the driving LED load.
Fig. 2 is the circuit theory diagrams of a preferred embodiment of aid-to-navigation light of the present invention, in Fig. 2, constant-current dimmer 100 provides constant-current source to entire circuit, the electric current of its output is the constant alternating current of virtual value, the current effective value of its output is generally 2A-7A, and LED drive current commonly used is 350mA-1A, so the current value of constant-current dimmer 100 outputs is higher than LED drive current commonly used.The power pack 200 that links to each other with constant-current dimmer 100 carries out scale transformation with the constant current of constant-current dimmer output, to be transformed into the required lower electric current of LED.
Current rectifying and wave filtering circuit 300 comprises that the rectifier bridge D1 that is electrically connected with power pack 200 outputs reaches the filter circuit for filtering that is used for that links to each other with rectifier bridge D1 output.Filter circuit comprises capacitor C 1, C3, C5 and the resistance R 3 of parallel connection, and capacitor C 1, C3, C5 and resistance R 3 back in parallel ground connection.Ripple current after preferred embodiment shown in the figure adopts a plurality of electrochemical capacitors with the filtering rectification.This circuit adopts a plurality of electric capacity to be beneficial to improve the reliability and the life-span of filter circuit, and the life-span of filter capacitor is generally the bottleneck in the service life of power supply, by adopting the life-span of the raising power supply that at least two filter capacitors can be indirect, it can longer time ground and the long supporting use of LED of life-span.Simultaneously, because electric capacity has energy-storage function, it can be released the remaining electricity of electric capacity rapidly to greatly, to avoid Danger Electric shock risk by resistance R 3 after outage.Current rectifying and wave filtering circuit also comprises resistance R 5, and resistance R 5 is with in parallel with LED load 400 again after filter circuit is connected, and R5 is used for current limliting with protection LED.Current rectifying and wave filtering circuit 300 is the constant current DC current of the exportable LED of meeting load 400 desirable characteristics.Therefore, as long as in the rated power scope of power pack 200, this drive circuit can drive several LED loads simultaneously, still is the Constant Direct Current electric current in the holding circuit.
Referring to table one, table one is the adjustable constant-flow value form of the constant-current dimmer output of an embodiment among the present invention.
| Current level | Nominal value (A) | Allow excursion (A) |
| ??5 | ??6.6 | ??6.40-6.70 |
| ??4 | ??5.2 | ??5.04-5.36 |
| ??3 | ??4.1 | ??3.98-4.22 |
| ??2 | ??3.4 | ??3.30-3.50 |
| ??1 | ??2.8 | ??2.72-2.88 |
Table one
Can export adjustable constant current value by the visible constant-current dimmer 100 of table one, in the present embodiment, constant-current dimmer 100 has five adjustable current ranks, its exportable 2.8A is to the adjustable constant current of 6.6A, the electric current of LED load can the conversion along with the adjusting of the Pyatyi electric current of constant-current dimmer 100, thereby realizes the variation of brightness.
In sum, the electronic devices and components that the present invention uses are simple, and avoided the use chip, the crash rate of electronic devices and components is reduced greatly, and it can be used in the abominable place of environment, for example high temperature, high pressure etc.The present invention rationally utilizes constant-current dimmer itself to have output constant current and the adjustable characteristic of constant current, is that the direct current that needs of LED is with direct driving LED by power pack with the Pyatyi light modulation current conversion of constant-current dimmer output, it can substitute conventional light source such as halogen tungsten lamp simply and easily under the situation that does not change existing airport navaid, and has the advantage that circuit is simple, energy consumption is low, reliability is high, the life-span is long, can reduce maintenance cost.
The above only is the preferred embodiments of the present invention, not in order to restriction the present invention, all any modifications of being done in the spirit and principles in the present invention, is equal to and replaces or improvement etc., all should be included in protection scope of the present invention.
Claims (7)
1. aid-to-navigation light, it is characterized in that, comprising: provide the navaid light source the LED load, to described LED load provide constant-current source constant-current dimmer, the power pack of scale transformation, being used for of linking to each other with described LED load are carried out in the constant current of described constant-current dimmer output the electric current after the power pack conversion are carried out the current rectifying and wave filtering circuit of rectifying and wave-filtering with the driving LED load.
2. aid-to-navigation light according to claim 1 is characterized in that, the constant current value of described constant-current dimmer output is two or more.
3. aid-to-navigation light according to claim 2 is characterized in that, the constant current value of described constant-current dimmer output is five.
4. aid-to-navigation light according to claim 1 is characterized in that, described current rectifying and wave filtering circuit comprise the rectifier bridge that links to each other with described power pack and be connected in the output of rectifier bridge and ground between be used for filter circuit for filtering.
5. aid-to-navigation light according to claim 4 is characterized in that, described filter circuit comprises capacitor C 1, C3 and C5 in parallel, and is in parallel with described LED load after described capacitor C 1, C3, the C5 parallel connection.
6. aid-to-navigation light according to claim 5 is characterized in that, described filter circuit also comprises and capacitor C 1, C3, C5 parallel resistor R3.
7. according to each described aid-to-navigation light in the claim 1 to 6, it is characterized in that described current rectifying and wave filtering circuit also comprises resistance R 5, resistance R 5 with connect by the filter circuit of resistance R 3, capacitor C 1, C3, C5 parallel connection after, in parallel with described LED load again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910106727A CN101865401A (en) | 2009-04-17 | 2009-04-17 | Aid-to-navigation lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910106727A CN101865401A (en) | 2009-04-17 | 2009-04-17 | Aid-to-navigation lamp |
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| Publication Number | Publication Date |
|---|---|
| CN101865401A true CN101865401A (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910106727A Pending CN101865401A (en) | 2009-04-17 | 2009-04-17 | Aid-to-navigation lamp |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103889089A (en) * | 2012-12-19 | 2014-06-25 | 深圳市海洋王照明工程有限公司 | Driving circuit and lamp |
| CN104853494A (en) * | 2015-05-18 | 2015-08-19 | 中国民用航空总局第二研究所 | Navigation assisting lamp |
| CN114007302A (en) * | 2020-07-14 | 2022-02-01 | 深圳市撰文科技有限公司 | Digital dimming control circuit, digital dimming control device and digital dimmer |
-
2009
- 2009-04-17 CN CN200910106727A patent/CN101865401A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103889089A (en) * | 2012-12-19 | 2014-06-25 | 深圳市海洋王照明工程有限公司 | Driving circuit and lamp |
| CN103889089B (en) * | 2012-12-19 | 2016-05-04 | 深圳市海洋王照明工程有限公司 | A kind of drive circuit and light fixture |
| 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 |
| CN114007302A (en) * | 2020-07-14 | 2022-02-01 | 深圳市撰文科技有限公司 | Digital dimming control circuit, digital dimming control device and digital dimmer |
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Open date: 20101020 |