CN1805637A - Constant voltage controller of lighting emergency lamp - Google Patents
Constant voltage controller of lighting emergency lamp Download PDFInfo
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- CN1805637A CN1805637A CN 200510110515 CN200510110515A CN1805637A CN 1805637 A CN1805637 A CN 1805637A CN 200510110515 CN200510110515 CN 200510110515 CN 200510110515 A CN200510110515 A CN 200510110515A CN 1805637 A CN1805637 A CN 1805637A
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Abstract
The invention relates to an electric lighting area, which provides a constant-voltage controller of auxiliary lighting backup lamp of golden halogen lamp, mercury lamp and sodium lamp. The invention is characterized in that: the output of de-voltage stabilizing circuit is connected to the input of CPU control circuit; the output of rectification circuit is connected to the city electricity input of CPU control circuit; the output of de-voltage circuit is connected to the zero detecting input of CPU control circuit; the input of current sensor is connected to the power phase wire and main lamp rectifier; the output of current sensor is connected to the input of current detecting circuit; the output of current detecting circuit is connected to the sensing signal input of CPU control circuit whose control output is connected to the input of output circuit, and the output of backup lamp power source of output circuit is connected to one end of auxiliary lamp. Compared to present technique, the invention uses the CPU to detect the city electricity and control the output via program, to output a constant voltage.
Description
[technical field]
The present invention relates to the electric lighting technical field, specifically a kind of floor light stand-by lamp constant-voltage controller that is used for different capacity Metal halogen lamp, mercury lamp, sodium vapor lamp and so on.
[background technology]
The back powers on again and just can not light at once because Metal halogen lamp (hereinafter to be referred as king light) takes place to cut off the power supply when operate as normal, it is luminous generally will to wait a few minutes even dozens of minutes to start once more, and reaching normally luminous gradually, this phenomenon can be given and be used the place of Metal halogen lamp to bring very big inconvenience.In order to address this problem, on the light fixture of the Metal halogen lamp that uses certain proportion (about 10%-15%), an auxiliary lamp is installed all again, and should auxilliary lamp bright and do not work and control according to king light.Auxilliary lamp can not be bright when king light is bright, and king light (power supply has) the auxilliary lamp that do not work is bright.And after king light began to light, auxilliary lamp just can quit work.The auxilliary lamp controller of selling on the existing market can only be operated in single supply power voltage, to different supply power voltages and different ballasts, must select different controllers.
[summary of the invention]
Purpose of the present invention is exactly will solve above-mentioned deficiency and a kind of illumination stand-by lamp microprocessor constant-voltage controller is provided.
For achieving the above object, the present invention proposes the microprocessor-controlIed constant voltage controller of lighting emergency lamp of a kind of employing, product is by decompression voltage regulator, reduction voltage circuit, rectification circuit, current detection circuit, cpu control circuit and output circuit are formed, it is characterized in that: power supply connects the input of decompression voltage regulator (1), the output of decompression voltage regulator (1) connects the input of cpu control circuit (4), rectification circuit (6) is connected zero-power line respectively with the input of reduction voltage circuit (2), rectification circuit (6) output connects cpu control circuit (4) city electro-detection input, reduction voltage circuit (2) output connects cpu control circuit (4) and detects input zero point, current inductor (T) input connects an end of power supply phase line and king light rectifier, current inductor (T) output connects current detection circuit (3) input, current detection circuit (3) output connects the induced signal input of cpu control circuit (4), the control output end of cpu control circuit (4) connects output circuit (5) input, the stand-by lamp power input of output circuit (5) connects the power supply phase line, and the stand-by lamp power output end of output circuit (5) connects auxilliary lamp one end.
Decompression voltage regulator is by resistance, electric capacity, diode, pressurizer is formed, resistance (R1) end connects zero-power line, resistance (R1) other end connects electric capacity (C1), electric capacity (C1) other end connects diode (D1) respectively, (D2), diode (D1) other end connects voltage-stabiliser tube (D3) respectively, electric capacity (C2) negative pole, the Vin end of pressurizer (Q1), diode (D2), voltage-stabiliser tube (D3) is connected the power supply phase line with the other end of electric capacity (C2), the GND end of pressurizer (U1) is connected the power supply phase line with electric capacity (C3) end, and the output of pressurizer (U1) connects the other end of electric capacity (C3).
Rectified current routing resistance, electric capacity, diode are formed, one end of resistance (R2) connects zero-power line, the other end of resistance (R2) connects an end of resistance (R3) and diode (D7), the other end of diode (D7) connects electric capacity (C4) end, and the other end of electric capacity (C4) connects the other end of resistance (R3).
Current detection circuit is made up of resistance, electric capacity, diode, one end of resistance (R6), (R7), electric capacity (C5) and voltage-stabiliser tube (D6) is connected current inductor (T) output, resistance (R7) other end connects resistance (R9), the other end of resistance (R9), voltage-stabiliser tube (D6), electric capacity (C5) connects an end of diode (D4) respectively, and the other end of diode (D4) and resistance (R6) is connected current inductor (T) output respectively.
Cpu control circuit is made up of resistance, electric capacity, diode and integrated package, one end of diode (D5), resistance (R5), electric capacity (C7) is connected the power supply phase line respectively with 1 end of integrated package (IC), the other end of diode (D5), resistance (R5) connects an end of electric capacity (C6) and 4 ends of integrated package (IC), 8 ends of the other end of electric capacity (C7) and integrated package (IC) respectively.
Integrated package in the cpu control circuit (IC) adopts the PIC12F675 model.
Output circuit is made up of resistance, bidirectional thyristor, and the T1 utmost point of bidirectional thyristor (Q1) connects the power supply phase line, and the G utmost point of bidirectional thyristor (Q1) connects resistance (R8) end, and the T2 utmost point of bidirectional thyristor (Q1) connects auxilliary lamp one end; Reduction voltage circuit is made up of resistance.
The white line black line is the civil power input, exports one 5 volts direct voltage behind decompression voltage regulator, and this voltage is powered to cpu control circuit.The function of other each pieces is:
Current detection circuit: the high-low level signal that the AC signal of current transformer is rectified into direct current.
Output circuit: the triggering signal of cpu control circuit is offered controllable silicon.
Cpu control circuit mainly contains three input signals: civil power crossover point signal, line voltage high-low signal (civil power obtains after the step-down in proportion), king light working signal (being finished by current transformer and current detection circuit).
The constant voltage control of cpu control circuit and the course of work of cold start-up protection are: be benchmark the zero point with civil power; according to the detected numerical values recited of line voltage; through the internal processes computing, obtain the corresponding time-delay output of a delay time and line voltage height pulse (time zero of delay pulse also is the zero point of civil power).This control output pulse removes to drive a bidirectional thyristor.According to the work characteristics of bidirectional thyristor in ac circuit, just can obtain on the auxilliary lamp one by line voltage just, go the constant operating voltage adjusted by program.That is to say: no matter how line voltage to change in the scope of 110V-277V, output will be one by constant voltage that program determined.
In like manner, when auxilliary lamp cold start-up, impacted and blow by instantaneous large-current in order to prevent filament, proceedings when starting, export one and remove heat filament than the much lower starting resistor of auxilliary lamp rated voltage, this voltage changes normal rated voltage over to after keeping several seconds zero point again.
The current detecting of cpu control circuit and delay working process are: can export a low level when king light on the external circuit extinguishes and give cpu control circuit when current detection circuit records, the cpu control circuit follow procedure requires to go to control auxilliary lamp work, cpu control circuit will obtain a high level instruction when king light is worked once more, from this constantly CPU pick up counting, follow procedure requires behind official hour, and cpu control circuit stops output.
The present invention compares with prior art, adopts CPU to detect adding civil power, and follow procedure controls output, makes constant voltage of output remove to light the auxilliary lamp of a unified voltage; In addition; owing to adopt the program control output voltage; moment under-voltage protection in the time of just accomplishing auxilliary lamp cold start-up very easily; overcome all drawbacks of old product, increased with the division electronic device the function that can not constitute, cost performance is had increased significantly; the function of constant voltage control and low-voltage startup particularly; make things convenient for the user, prolonged the useful life of auxilliary lamp, enlarged the scope of application.
[description of drawings]
Fig. 1 is a circuit block diagram of the present invention.
Fig. 2 is circuit theory diagrams of the present invention.
Fig. 3 is a fundamental diagram of the present invention.
Referring to Fig. 1, Fig. 2,1 is decompression voltage regulator, and 2 is reduction voltage circuit, and 3 is current detection circuit, and 4 is cpu control circuit, and 5 is output circuit, and 6 is rectification circuit.
[specific embodiment]
Referring to Fig. 2, Fig. 3, resistance (R1) end connects zero-power line, resistance (R1) other end connects electric capacity (C1), electric capacity (C1) other end connects diode (D1) respectively, (D2), diode (D1) other end connects voltage-stabiliser tube (D3) respectively, electric capacity (C2) negative pole, the Vin end of pressurizer (U1), diode (D2), voltage-stabiliser tube (D3) is connected the power supply phase line with the other end of electric capacity (C2), the GND end of pressurizer (U1) is connected the power supply phase line with electric capacity (C3) end, the output of pressurizer (Q1) connects the other end of electric capacity (C3) and an end of electric capacity (C6), diode (D5), resistance (R5), one end of electric capacity (C7) is connected the power supply phase line respectively with 1 end of integrated package (IC), diode (D5), the other end of resistance (R5) connects the other end of electric capacity (C6) and 4 ends of integrated package (IC) respectively, 8 ends of the other end of electric capacity (C7) and integrated package (IC), 3 ends of integrated package (IC) connect resistance (R4) end, resistance (R4) other end connects zero-power line, 5 ends of integrated package (IC) connect resistance (R8) end, resistance (R8) other end connects the G utmost point of bidirectional thyristor (Q1), the T1 utmost point of bidirectional thyristor (Q1) connects the power supply phase line, the T2 utmost point of bidirectional thyristor (Q1) connects auxilliary lamp one end, one end of resistance (R2) connects zero-power line, the other end of resistance (R2) connects an end of resistance (R3) and diode (D7), the other end of diode (D7) connects 7 ends of electric capacity (C4) end and integrated package (IC), electric capacity (C4), the other end of resistance (R3) connects 8 ends of integrated package (IC), resistance (R6), (R7), one end of electric capacity (C5) and voltage-stabiliser tube (D6) is connected current inductor (T) output, resistance (R7) other end connects resistance (R9), resistance (R9), voltage-stabiliser tube (D6), the other end of electric capacity (C5) connects diode (D4) end respectively, 6 ends of integrated package (IC), the other end of diode (D4) and resistance (R6) is connected current inductor (T) output respectively; Integrated package (IC) adopt this technology of PIC12F675 model concerning those skilled in the art still more clearly.
Claims (8)
1, a kind of constant voltage controller of lighting emergency lamp, comprise decompression voltage regulator, reduction voltage circuit, current detection circuit, output circuit, cpu control circuit, rectification circuit is formed, it is characterized in that: power supply connects the input of decompression voltage regulator (1), the output of decompression voltage regulator (1) connects the input of cpu control circuit (4), rectification circuit (6) is connected zero-power line respectively with the input of reduction voltage circuit (2), rectification circuit (6) output connects cpu control circuit (4) city electro-detection input, reduction voltage circuit (2) output connects cpu control circuit (4) and detects input zero point, current inductor (T) input connects an end of power supply phase line and king light rectifier, current inductor (T) output connects current detection circuit (3) input, current detection circuit (3) output connects the induced signal input of cpu control circuit (4), the control output end of cpu control circuit (4) connects output circuit (5) input, the stand-by lamp power input of output circuit (5) connects the power supply phase line, and the stand-by lamp power output end of output circuit (5) connects auxilliary lamp one end.
2, according to the described constant voltage controller of lighting emergency lamp of claim 1, it is characterized in that decompression voltage regulator is by resistance, electric capacity, diode, pressurizer is formed, resistance (R1) end connects zero-power line, resistance (R1) other end connects electric capacity (C1), electric capacity (C1) other end connects diode (D1) respectively, (D2), diode (D1) other end connects voltage-stabiliser tube (D3) respectively, electric capacity (C2) negative pole, the Vin end of pressurizer (Q1), diode (D2), voltage-stabiliser tube (D3) is connected the power supply phase line with the other end of electric capacity (C2), the GND end of pressurizer (U1) is connected the power supply phase line with electric capacity (C3) end, and the output of pressurizer (U1) connects the other end of electric capacity (C3).
3, constant voltage controller of lighting emergency lamp according to claim 1, it is characterized in that rectified current routing resistance, electric capacity, diode composition, one end of resistance (R2) connects zero-power line, the other end of resistance (R2) connects an end of resistance (R3) and diode (D7), the other end of diode (D7) connects electric capacity (C4) end, and the other end of electric capacity (C4) connects the other end of resistance (R3).
4, constant voltage controller of lighting emergency lamp according to claim 1, it is characterized in that current detection circuit is made up of resistance, electric capacity, diode, one end of resistance (R6), (R7), electric capacity (C5) and voltage-stabiliser tube (D6) is connected current inductor (T) output, resistance (R7) other end connects resistance (R9), the other end of resistance (R9), voltage-stabiliser tube (D6), electric capacity (C5) connects an end of diode (D4) respectively, and the other end of diode (D4) and resistance (R6) is connected current inductor (T) output respectively.
5, constant voltage controller of lighting emergency lamp according to claim 1, it is characterized in that cpu control circuit is made up of resistance, electric capacity, diode and integrated package, one end of diode (D5), resistance (R5), electric capacity (C7) is connected the power supply phase line respectively with 1 end of integrated package (IC), the other end of diode (D5), resistance (R5) connects an end of electric capacity (C6) and 4 ends of integrated package (IC), 8 ends of the other end of electric capacity (C7) and integrated package (IC) respectively.
6, constant voltage controller of lighting emergency lamp according to claim 1 or 5 is characterized in that integrated package in the cpu control circuit (IC) adopts the PIC12F675 model.
7, constant voltage controller of lighting emergency lamp according to claim 1, it is characterized in that output circuit is made up of resistance, bidirectional thyristor, the T1 utmost point of bidirectional thyristor (Q1) connects the power supply phase line, the G utmost point of bidirectional thyristor (Q1) connects resistance (R8) end, and the T2 utmost point of bidirectional thyristor (Q1) connects auxilliary lamp one end.
8, constant voltage controller of lighting emergency lamp according to claim 1 is characterized in that reduction voltage circuit is made up of resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510110515 CN1805637A (en) | 2005-11-18 | 2005-11-18 | Constant voltage controller of lighting emergency lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510110515 CN1805637A (en) | 2005-11-18 | 2005-11-18 | Constant voltage controller of lighting emergency lamp |
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|---|---|
| CN1805637A true CN1805637A (en) | 2006-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510110515 Pending CN1805637A (en) | 2005-11-18 | 2005-11-18 | Constant voltage controller of lighting emergency lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102612191A (en) * | 2012-03-26 | 2012-07-25 | 上海核工程研究设计院 | Dual-light-source converting illumination lamp |
| CN102883491A (en) * | 2012-09-29 | 2013-01-16 | 上海核工程研究设计院 | Double-light source switching illuminating lamp and working method thereof |
-
2005
- 2005-11-18 CN CN 200510110515 patent/CN1805637A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102612191A (en) * | 2012-03-26 | 2012-07-25 | 上海核工程研究设计院 | Dual-light-source converting illumination lamp |
| CN102612191B (en) * | 2012-03-26 | 2015-03-25 | 上海核工程研究设计院 | Dual-light-source converting illumination lamp |
| CN102883491A (en) * | 2012-09-29 | 2013-01-16 | 上海核工程研究设计院 | Double-light source switching illuminating lamp and working method thereof |
| CN102883491B (en) * | 2012-09-29 | 2015-03-25 | 上海核工程研究设计院 | Double-light source switching illuminating lamp and working method thereof |
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