CN104582137B - The multi-level dimming circuit of three kinds of alarm signals - Google Patents
The multi-level dimming circuit of three kinds of alarm signals Download PDFInfo
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- CN104582137B CN104582137B CN201410700955.8A CN201410700955A CN104582137B CN 104582137 B CN104582137 B CN 104582137B CN 201410700955 A CN201410700955 A CN 201410700955A CN 104582137 B CN104582137 B CN 104582137B
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Abstract
The present invention discloses the multi-level dimming circuit of three kinds of alarm signals, including, one first power end, to provide a daytime voltage；One second source end, to provide voltage in one night；One first Signalized control end, to control one first signal lamp L1 work；One second signal lamp control terminal, to control second signal lamp L2 work；And a third Signalized control end, to control third signal lamp L3 work.Advantages of the present invention has: 1) by controlling power supply, providing corresponding electric current to driving circuit, make product that can meet fourth gear brightness requirement.2) it is directed to the photovoltaic property of different colours signal lamp, using the voltage following principle of triode, realizes that a light-control knob adjusts different colours signal brightness, luminance index is independently reachable, and brightness change is consistent.
Description
Technical field
The present invention relates to the multi-level dimming circuits of kind of the alarm signal of the control field of aircraft lighting systcm, especially three.
Background technique
Angle of attack clearing lamp use three kinds of color signal lamps, be aircraft warship when important marking tools, aircraft warship
When aircraft instruction under issue different colours signal lamp, to pilot provide aircraft angle of attack size accurate information, make aircraft
Safe landing.In order to meet the visual requirements of pilots in various environments, the requirement of angle of attack clearing lamp brightness flexible configuration is increasingly
Strictly, for angle of attack clearing lamp, high brightness is readable in the daytime, night low-light level stability, brightness uniformity, independent dimming
The requirement of technology etc. is higher and higher, but existing signal lamp can not be properly arrived at those requirements at present.
Summary of the invention
Present invention aim to address dimming problems in the prior art, provide the more of three kinds of novel alarm signals of one kind
Grade light adjusting circuit.
To achieve the goals above, the technical scheme of the present invention is realized as follows: the multistage light modulation of three kinds of alarm signals
Circuit, including,
One first power end, to provide a daytime voltage, which connects one first triode Q1 current collection respectively
Pole, a potentiometer K1 first end, one second triode Q2 collector and one second potentiometer K2 first end；
One second source end, to provide voltage in one night, which connects one first triode Q1 current collection respectively
Pole, a potentiometer K1 first end, one second triode Q2 collector and one second potentiometer K2 first end；
One first Signalized control end, to control one first signal lamp L1 work, the first Signalized control end difference
One second diode D2 negative terminal and one the 4th diode D4 negative terminal are connect, which passes through a first resistor R1 points
Do not connect one first voltage-stabiliser tube D1 anode and one first adjustable resistance RW1 first end, the first voltage-stabiliser tube D1 negative terminal and this first can
Resistance RW1 second end is adjusted all to connect the first signal lamp L1 negative terminal, first signal lamp L1 is just terminating the first triode Q1 transmitting
Pole, the first triode Q1 base stage connect the adjustable side the first variable resistance K1, and the 4th diode D4 anode passes through one second electricity
Resistance R2 connects a third voltage-stabiliser tube D3 anode, which connects the first potentiometer K1 second end；
One second signal lamp control terminal, to control second signal lamp L2 work, second signal lamp control terminal difference
One the 5th diode D5 negative terminal and 1 the 11st diode D11 negative terminal are connect, the 5th diode D5 passes through one the 4th resistance R4 points
Do not connect one the 6th voltage-stabiliser tube D6 anode and one second adjustable resistance RW2 first end, the 6th voltage-stabiliser tube D6 negative terminal and this second can
Resistance RW2 second end is adjusted all to connect the second signal lamp L2 negative terminal, second signal lamp L2 is just terminating the second triode Q2 transmitting
Pole, the second triode Q2 base stage connect the adjustable side the second potentiometer K2, potentiometer K2 second end by a 3rd resistor R3
One the 9th voltage-stabiliser tube D9 negative terminal is connect, the 9th voltage-stabiliser tube D9 is just terminating one the 6th resistance R6 first end, the 6th resistance R6 second
Terminate the 11st diode D11 anode；And
One third Signalized control end, to control third signal lamp L3 work, third Signalized control end difference
One the 8th diode D8 negative terminal and 1 the tenth diode D10 negative terminal are connect, the 8th diode D8 is distinguished by one the 5th resistance R5
Connect one the 7th voltage-stabiliser tube D7 anode and a third adjustable resistance RW3 first end, the 7th voltage-stabiliser tube D7 negative terminal and an adjustable electric
Resistance RW3 second end all connects the third signal lamp L3 negative terminal, and third signal lamp L3 is just terminating the second triode Q2 emitter, should
Tenth diode D10 is just terminating the 6th resistance R6 second end.
The preferred embodiment of multi-level dimming circuit as three kinds of alarm signals, the first signal lamp L1 are green light, this second
Signal lamp L2 is amber light, which is red light.
The preferred embodiment of multi-level dimming circuit as three kinds of alarm signals, those diodes select S1A, first pressure stabilizing
Pipe D1 selects IN5985, and the third, nine voltage-stabiliser tube D3, D9 select IN5989, the 6th voltage-stabiliser tube D6 to select 2CW37-4.3A, should
7th voltage-stabiliser tube D7 selects IN5992, which selects SXTA42, the first and second potentiometer K1, the K2 choosing
Use W113-7A-20K.
The preferred embodiment of multi-level dimming circuit as three kinds of alarm signals, first resistor R1 are 430 Ω, second electricity
Resistance R2 is 82k Ω, and 3rd resistor R3 is 20k Ω, and the 4th resistance R4 is 270 Ω, and the 5th resistance R5 is 560 Ω, this
Six resistance R6 are 68k Ω, which is 3.6k Ω, which is 39k Ω, and the third is adjustable
Resistance RW3 is 510k Ω.
Compared with prior art, advantages of the present invention:
1) visual strong: it is adjustable that entire circuit is able to achieve fourth gear brightness, guarantees that high brightness is readable in the daytime, night low-light level
Stability, pilot can carry out brightness regulation according to varying environment.
2) compatibility is strong: circuit theory is on the premise of satisfying the lighting performance of the technical protocol, succinct using topological structure, whole
A dimming driving circuit is made of transistor and resistance, and the integrated circuit of no complexity will not generate high frequency harmonic signals, from source
On avoid external interference.
3) structure space is small: the circuit components are less, and space used is smaller on the printed board layout, are applicable to three colors
The small light box of light modulation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
It elaborates with reference to the accompanying drawings and examples to the present invention.
Referring to Figure 1, it is shown in figure be three kinds of alarm signals multi-level dimming circuit, including,
One first power end, to provide a daytime voltage, which connects one first triode Q1 current collection respectively
Pole, a potentiometer K1 first end, one second triode Q2 collector and one second potentiometer K2 first end；
One second source end, to provide voltage in one night, which connects one first triode Q1 current collection respectively
Pole, a potentiometer K1 first end, one second triode Q2 collector and one second potentiometer K2 first end；
One first Signalized control end, to control one first signal lamp L1 work, the first Signalized control end difference
One second diode D2 negative terminal and one the 4th diode D4 negative terminal are connect, which passes through a first resistor R1 points
Do not connect one first voltage-stabiliser tube D1 anode and one first adjustable resistance RW1 first end, the first voltage-stabiliser tube D1 negative terminal and this first can
Resistance RW1 second end is adjusted all to connect the first signal lamp L1 negative terminal, first signal lamp L1 is just terminating the first triode Q1 transmitting
Pole, the first triode Q1 base stage connect the adjustable side the first variable resistance K1, and the 4th diode D4 anode passes through one second electricity
Resistance R2 connects a third voltage-stabiliser tube D3 anode, which connects the first potentiometer K1 second end；
One second signal lamp control terminal, to control second signal lamp L2 work, second signal lamp control terminal difference
One the 5th diode D5 negative terminal and 1 the 11st diode D11 negative terminal are connect, the 5th diode D5 passes through one the 4th resistance R4 points
Do not connect one the 6th voltage-stabiliser tube D6 anode and one second adjustable resistance RW2 first end, the 6th voltage-stabiliser tube D6 negative terminal and this second can
Resistance RW2 second end is adjusted all to connect the second signal lamp L2 negative terminal, second signal lamp L2 is just terminating the second triode Q2 transmitting
Pole, the second triode Q2 base stage connect the adjustable side the second potentiometer K2, potentiometer K2 second end by a 3rd resistor R3
One the 9th voltage-stabiliser tube D9 negative terminal is connect, the 9th voltage-stabiliser tube D9 is just terminating one the 6th resistance R6 first end, the 6th resistance R6 second
Terminate the 11st diode D11 anode；And
One third Signalized control end, to control third signal lamp L3 work, third Signalized control end difference
One the 8th diode D8 negative terminal and 1 the tenth diode D10 negative terminal are connect, the 8th diode D8 is distinguished by one the 5th resistance R5
Connect one the 7th voltage-stabiliser tube D7 anode and a third adjustable resistance RW3 first end, the 7th voltage-stabiliser tube D7 negative terminal and an adjustable electric
Resistance RW3 second end all connects the third signal lamp L3 negative terminal, and third signal lamp L3 is just terminating the second triode Q2 emitter, should
Tenth diode D10 is just terminating the 6th resistance R6 second end.
Wherein, which is green emitting block, which is Yellow luminous piece, the third signal
Lamp L3 is emitting red light block.Those diodes select S1A, the first voltage-stabiliser tube D1 to select IN5985, the third, nine voltage-stabiliser tubes
D3, D9 select IN5989, the 6th voltage-stabiliser tube D6 select 2CW37-4.3A, the 7th voltage-stabiliser tube D7 select IN5992, this first,
Two triode Q1, Q2 select SXTA42, which selects W113-7A-20K.First resistor R1 is 430
Ω, second resistance R2 are 82k Ω, and 3rd resistor R3 is 20k Ω, and the 4th resistance R4 is 270 Ω, and the 5th resistance R5 is
560 Ω, the 6th resistance R6 are 68k Ω, which is 3.6k Ω, which is 39k Ω,
The third adjustable resistance RW3 is 510k Ω.
When the first power end (voltage value is higher) work, voltage is through first (the six/seven) voltage-stabiliser tube D1(D6/D7) partial pressure
Afterwards, each signal lamp is lighted by first (the four/five) resistance R1 (R4/R5) current limliting.When second source end (voltage value is lower) works
When, first (the six/seven) voltage-stabiliser tube D1(D6/D7) be not turned on because pressure drop is lower, input voltage directly through first (the 4th/
Five) each signal lamp is lighted after resistance R1 (R4/R5) and first (the second/tri-) adjustable resistance RW1 (RW2/RW3) current limliting, realizes letter
Signal lamp day and night two grades of maximum brightness requirements.
Product brightness is adjusted by the first and second potentiometer K1, K2 light-control knob, wherein the first potentiometer K1 adjusts first
Signal lamp L1 brightness, the second potentiometer K2 adjust second and third signal lamp L2, L3 brightness simultaneously.Due to the first and second triode Q1,
The base stage of Q2 connects with the adjustable side of first and second potentiometer K1, K2 respectively, according to the first and second triode Q1, Q2 voltage follow
Characteristic guarantees second and third signal lamp L2, L3 circuit series winding with potentiometer, solves potentiometer partial pressure and what is interfered with each other ask
Topic, guarantees that two kinds of signal brightness Independent adjustables, the light adjusting circuit can meet fourth gear brightness requirement.
Embodiments of the present invention are only expressed above, and the description thereof is more specific and detailed, but can not therefore understand
For the limitation to patent of invention range.It should be pointed out that for those of ordinary skill in the art, not departing from this hair
Under the premise of bright design, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.Therefore, this hair
The scope of protection shall be subject to the appended claims for bright patent.
Claims (1)
1. the multi-level dimming circuit of three kinds of alarm signals, which is characterized in that including,
One first power end, to provide a daytime voltage, which connects one first triode Q1 collector, one respectively
Potentiometer K1 first end, one second triode Q2 collector and one second potentiometer K2 first end；
One second source end, to provide voltage in one night, which connects one first triode Q1 collector, one respectively
Potentiometer K1 first end, one second triode Q2 collector and one second potentiometer K2 first end；
One first Signalized control end, to control one first signal lamp L1 work, which connects one respectively
Second diode D2 negative terminal and one the 4th diode D4 negative terminal, the second diode D2 anode are connect respectively by a first resistor R1
One first voltage-stabiliser tube D1 anode and one first adjustable resistance RW1 first end, the first voltage-stabiliser tube D1 negative terminal and first adjustable electric
Resistance RW1 second end all connects the first signal lamp L1 negative terminal, and first signal lamp L1 is just terminating the first triode Q1 emitter, should
First triode Q1 base stage connects the adjustable side the first variable resistance K1, and the 4th diode D4 anode is connect by a second resistance R2
One third voltage-stabiliser tube D3 anode, the third voltage-stabiliser tube D3 negative terminal connect the first potentiometer K1 second end；
One second signal lamp control terminal, to control second signal lamp L2 work, which connects one respectively
5th diode D5 negative terminal and 1 the 11st diode D11 negative terminal, the 5th diode D5 are connect respectively by one the 4th resistance R4
One the 6th voltage-stabiliser tube D6 anode and one second adjustable resistance RW2 first end, the 6th voltage-stabiliser tube D6 negative terminal and second adjustable electric
Resistance RW2 second end all connects the second signal lamp L2 negative terminal, and second signal lamp L2 is just terminating the second triode Q2 emitter, should
Second triode Q2 base stage connects the adjustable side the second potentiometer K2 by a 3rd resistor R3, the termination of potentiometer K2 second 1 the
Nine voltage-stabiliser tube D9 negative terminals, the 9th voltage-stabiliser tube D9 are just terminating one the 6th resistance R6 first end, and the 6th resistance R6 second termination should
11st diode D11 anode；And
One third Signalized control end, to control third signal lamp L3 work, which connects one respectively
8th diode D8 negative terminal and 1 the tenth diode D10 negative terminal, the 8th diode D8 connect one by one the 5th resistance R5 respectively
7th voltage-stabiliser tube D7 anode and a third adjustable resistance RW3 first end, the 7th voltage-stabiliser tube D7 negative terminal and a third adjustable resistance
RW3 second end all connects the third signal lamp L3 negative terminal, and third signal lamp L3 is just terminating the second triode Q2 emitter, this
Ten diode D10 are just terminating the 6th resistance R6 second end；
The first signal lamp L1 is green light, which is amber light, which is red light；
Those diodes select S1A, the first voltage-stabiliser tube D1 to select IN5985, and the third, nine voltage-stabiliser tube D3, D9 are selected
IN5989, the 6th voltage-stabiliser tube D6 select 2CW37-4.3A, the 7th voltage-stabiliser tube D7 to select IN5992, first and second triode
Q1, Q2 select SXTA42, which selects W113-7A-20K；
First resistor R1 is 430 Ω, and second resistance R2 is 82k Ω, and 3rd resistor R3 is 20k Ω, the 4th resistance R4
It is 560 Ω for 270 Ω, the 5th resistance R5, the 6th resistance R6 is 68k Ω, which is 3.6k Ω, should
Second adjustable resistance RW2 is 39k Ω, which is 510k Ω.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410700955.8A CN104582137B (en) | 2014-11-28 | 2014-11-28 | The multi-level dimming circuit of three kinds of alarm signals |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410700955.8A CN104582137B (en) | 2014-11-28 | 2014-11-28 | The multi-level dimming circuit of three kinds of alarm signals |
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| CN104582137B true CN104582137B (en) | 2019-01-04 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201336745Y (en) * | 2007-12-21 | 2009-10-28 | 成都飞机工业集团电子科技有限公司 | Continuously adjustable stepless light-dimming device of alarm lamp |
| US20120176052A1 (en) * | 2011-01-06 | 2012-07-12 | Everlight Electronics Co., Ltd. | Light-Emitting Diode Drive Control Circuit |
| CN103188845A (en) * | 2011-12-31 | 2013-07-03 | 四川新力光源股份有限公司 | Light emitting diode (LED) light-emitting device directly driven by alternating current |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201515529U (en) * | 2009-09-28 | 2010-06-23 | 延锋伟世通怡东汽车仪表有限公司 | Automobile instrument stepless dimming lighting control circuit |
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- 2014-11-28 CN CN201410700955.8A patent/CN104582137B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201336745Y (en) * | 2007-12-21 | 2009-10-28 | 成都飞机工业集团电子科技有限公司 | Continuously adjustable stepless light-dimming device of alarm lamp |
| US20120176052A1 (en) * | 2011-01-06 | 2012-07-12 | Everlight Electronics Co., Ltd. | Light-Emitting Diode Drive Control Circuit |
| CN103188845A (en) * | 2011-12-31 | 2013-07-03 | 四川新力光源股份有限公司 | Light emitting diode (LED) light-emitting device directly driven by alternating current |
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Granted publication date: 20190104 |