CN103716941A - Light-operated street-lamp circuit - Google Patents

Light-operated street-lamp circuit Download PDF

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Publication number
CN103716941A
CN103716941A CN201210374921.5A CN201210374921A CN103716941A CN 103716941 A CN103716941 A CN 103716941A CN 201210374921 A CN201210374921 A CN 201210374921A CN 103716941 A CN103716941 A CN 103716941A
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China
Prior art keywords
module
signal amplification
light
output
triode
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CN201210374921.5A
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Chinese (zh)
Inventor
周明杰
任义
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Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
Original Assignee
Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
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Application filed by Oceans King Lighting Science and Technology Co Ltd, Shenzhen Oceans King Lighting Engineering Co Ltd filed Critical Oceans King Lighting Science and Technology Co Ltd
Priority to CN201210374921.5A priority Critical patent/CN103716941A/en
Publication of CN103716941A publication Critical patent/CN103716941A/en
Pending legal-status Critical Current

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Abstract

Disclosed is a light-operated light-fixture circuit which includes a rectifying filtering module used for converting an AC power supply to a stable DC power supply and a switch control module. The circuit is characterized by also including a photosensitive module, a signal amplifying module and a semiconductor switch module. The photosensitive module is used for converting light intensity into a voltage signal. The signal amplifying module is used for amplifying the voltage signal output by the photosensitive module and feeding back the voltage signal to the switch control module. The switch control module controls switch-on and switch-off the switch control module according to the output voltage signal of the signal amplifying module so as to control switch-on and switch-off of the semiconductor switch module and further control light-on and light-off of a light fixture which is connected serially with a first anode and a second anode of the semiconductor switch module. In a light-on and light-off process of the light fixtures, manual operation is not required and sensitivity of the photosensitivity module can be set so that light-on and light-off of the light fixtures are controlled automatically and precisely.

Description

Light control road lamp circuit
Technical field
The present invention relates to street lamp circuit, particularly relate to a kind of intelligence, simple Light control road lamp circuit.
Background technology
At present, the street lamp control system majority in a lot of cities is the state in labor management also, and road lamp management and maintenance cost are strengthened.Along with social development, street lamp, as the critical facility of public transport, has become an indispensable part in life.Under normal circumstances, street lamp is generally lighted at night.And whether light street lamp, by the result of manual observation weather condition, decided.Due to street lamp light need of work manual operation, thereby cause that the control workload of street lamp is large and to light time of street lamp accurate not.
Summary of the invention
Based on this, provide a kind of and automatically light street lamp, control accurate Light control road lamp circuit.
A light-operated lamp circuit, comprises for AC power being converted to rectification filtering module, the switch control module of stable dc power supply, also comprises photosensitive module, signal amplification module and semiconductor switch module;
The input of described rectification filtering module is for being connected with AC power, and the output of described rectification filtering module is connected with input, the power end of signal amplification module, the input of switch control module of described photosensitive module simultaneously;
The output of described photosensitive module is connected with the input of described signal amplification module, the earth terminal ground connection of described photosensitive module, the output of described signal amplification module is connected with the control end of described switch control module, the earth terminal ground connection of described signal amplification module;
The output of described switch control module is connected with the control end of described semiconductor switch module, and the first anode of described semiconductor switch module and second plate are used for and light fixture is series between the live wire and zero line of AC power;
Wherein, described photosensitive module is for being converted to voltage signal by intensity of illumination, described signal amplification module is used for the voltage signal of described photosensitive module output being amplified and feeding back to described switch control module, described switch control module is controlled self conducting and cut-off according to the output voltage signal of described signal amplification module, thereby control conducting and the cut-off of described semiconductor switch module, and then the lighting and extinguish of the control light fixture of connecting with the first anode and the second plate of described semiconductor switch module.
Therein in an embodiment, described rectification filtering module comprises transformer T1, rectifier bridge BD1 and electrochemical capacitor C1, the primary coil of described transformer T1 is for being connected with AC power, the input of the secondary coil of described transformer T1 and described rectifier bridge BD1, the output of described rectifier bridge BD1 is connected with the positive pole of described electrochemical capacitor C1, the minus earth of described electrochemical capacitor C1, the output of rectification filtering module described in the public termination of described rectifier bridge BD1 and described electrochemical capacitor C1.
Therein in an embodiment, described photosensitive module comprises photo resistance RG1 and slide rheostat RP1, described photo resistance RG1 connects with described slide rheostat RP1, the input of photosensitive module described in a close termination of described photo resistance RG1 after described photo resistance RG1 connects with described slide rheostat RP1, near one end ground connection of described slide rheostat RP1, the output of photosensitive module described in the public termination of described photo resistance RG1 and described slide rheostat RP1.
In an embodiment, described signal amplification module comprises signal amplification chip H112A, divider resistance R2 and triode Q3 therein;
Described signal amplification chip H112A comprises input, output, power end and earth terminal, the power end of described signal amplification chip H112A is connected with the output of described rectification filtering module, the input of described signal amplification chip H112A is connected with the output of described photosensitive module, the earth terminal ground connection of described signal amplification chip H112A;
The output of described signal amplification chip H112A is connected with the base stage of described triode Q3, the collector electrode of described triode Q3 is connected with described divider resistance R2, the other end of described divider resistance R2 is connected with the output of described rectification filtering module, the grounded emitter of described triode Q3, the output of signal amplification module described in the public termination of described triode Q3 and described divider resistance R2; The input that connects described signal amplification module and power end that the input of described signal amplification chip H112A and power end are corresponding.
In an embodiment, also comprise divider resistance R3 therein, described divider resistance R3 is series between described divider resistance R2 and the power end of described signal amplification chip H112A.
Therein in an embodiment, described switch control module comprises capacitor C 2, divider resistance R1 and triode Q2, described capacitor C 2 one end are connected with the base stage of described triode Q2, other end ground connection, the collector electrode of described triode Q2 is connected with one end of described divider resistance R1, the input of switch control module described in another termination of described divider resistance R1, the emitter of described triode Q2 connects the output of described switch control module, the control end of switch control module described in the public termination of the base stage of described triode Q2 and described capacitor C 2.
In an embodiment, described semiconductor switch module comprises bidirectional triode thyristor Q1 therein, and the control end of described bidirectional triode thyristor Q1, the first anode and second plate correspondence connect control end, the first anode and the second plate of described semiconductor switch module.
In an embodiment, also comprise Voltage stabilizing module therein, described Voltage stabilizing module is in parallel with described photosensitive module.
In an embodiment, described Voltage stabilizing module comprises voltage stabilizing didoe ZD1 therein, the plus earth of described voltage stabilizing didoe ZD1, and negative pole is connected with the input of photosensitive module.
Above-mentioned light-operated lamp circuit is by photosensitive module induction intensity of illumination, and intensity of illumination is converted to voltage signal, be transferred to signal amplification module, after signal amplification module will amplify, voltage transmission is to switch control module, switch control module is according to conducting and the cut-off of the output voltage control of signal amplification module self, thus the disconnection of control semiconductor switch module and closed to control lighting and extinguishing of light fixture.Lighting with extinguishing process without manual operation of light fixture, and the sensitivity of photosensitive module can arrange, thereby reach, automatically and accurately controls lighting and extinguishing of light fixture.
Accompanying drawing explanation
Fig. 1 is the module map of light-operated lamp circuit;
Fig. 2 is the schematic diagram of light-operated lamp circuit.
Embodiment
As shown in Figure 1, be the module map of light-operated lamp circuit.A light-operated lamp circuit, comprises rectification filtering module 101, switch control module 107 for AC power being converted to stable dc power supply, also comprises photosensitive module 103, signal amplification module 105 and semiconductor switch module 109.
The input of rectification filtering module 101 is for being connected with AC power, and the output of rectification filtering module 101 is connected with the input of photosensitive module 103, the input of the power end of signal amplification module 105, switch control module 107 simultaneously.
The output of photosensitive module 103 is connected with the input of signal amplification module 105, the earth terminal ground connection of photosensitive module 103, and the output of signal amplification module 105 is connected with the control end of switch control module 107, the earth terminal ground connection of signal amplification module 105.
The output of switch control module 107 is connected with the control end of semiconductor switch module 109, and the first anode of semiconductor switch module 109 and second plate are used for and light fixture is series between the live wire and zero line of AC power.
Wherein, photosensitive module 103 is for being converted to voltage signal by intensity of illumination, signal amplification module 105 is for amplifying the voltage signal of photosensitive module 103 outputs and feeding back to switch control module 107, switch control module 107 is controlled self conducting and cut-off according to the output voltage signal of signal amplification module 105, thereby control conducting and the cut-off of semiconductor switch module 109, and then the lighting and extinguish of the control light fixture of connecting with the first anode and the second plate of semiconductor switch module 109.
Rectification filtering module 101 is DC power supply for alternating current rectifying and wave-filtering just, is photosensitive module 103, signal amplification module 105, switch control module 107 and semiconductor switch module 109 power supplies.
Photosensitive module 103 is for the intensity of illumination of induced environment, and intensity of illumination is converted to voltage signal.Thereby can weigh intensity of illumination by voltage signal, the corresponding relation between this intensity of illumination-voltage signal is more accurate than manual observation intensity of illumination, adopts in this way and can save manpower, reduce labor workload.
Signal amplification module 105 is for coordinating with photosensitive module 103, and the intensity of illumination of responding in photosensitive module 103 is converted to after voltage signal, and voltage signal is changed again and sent to signal amplification module 105.Signal amplification module 105 amplifies the voltage signal of photosensitive module 103 outputs afterwards and then controls self conducting and cut-off, and then reaches the object of control switch control module 107.Usually, when photosensitive module 103 senses that intensity of illumination is large, signal amplification module 105 enters saturation conduction state according to the voltage signal amplifying, and in photosensitive module 103, senses intensity of illumination hour, and signal amplification module 105 enters cut-off state according to the voltage signal amplifying.
Switch control module 107 is for controlling disconnection and the closure of semiconductor switch module 109.And conducting and the cut-off of switch control module 107 own controlled by the output signal of signal amplification module 105.While being signal amplification module 105 saturation conduction, 107 cut-offs of control switch control module, during 105 cut-off of signal amplification module, 107 conductings of control switch control module.Correspondingly, can be understood as, when intensity of illumination is large, switch control module 107 cut-offs, intensity of illumination hour, switch control module 107 conductings.
Semiconductor switch module 109 is controlled by switch control module 107, i.e. during switch control module 107 conducting, and semiconductor switch module 109 closures, during switch control module 107 cut-off, semiconductor switch module 109 disconnects.
In the above-described embodiments, by the resistance size of photosensitive module 103 being set, can realizing to be set in, under concrete intensity of illumination, control lighting and extinguishing of light fixture.
Incorporated by reference to Fig. 2.Rectification filtering module 101 comprises transformer T1, rectifier bridge BD1 and electrochemical capacitor C1, the primary coil of transformer T1 is for being connected with AC power, the input of the secondary coil of transformer T1 and rectifier bridge BD1, the output of rectifier bridge BD1 is connected with the positive pole of electrochemical capacitor C1, the minus earth of electrochemical capacitor C1, the output of the public termination rectification filtering module 101 of rectifier bridge BD1 and electrochemical capacitor C1.
Photosensitive module 103 comprises photo resistance RG1 and slide rheostat RP1, photo resistance RG1 connects with slide rheostat RP1, the input of the photosensitive module 103 of a termination of close photo resistance RG1 after photo resistance RG1 connects with slide rheostat RP1, near one end ground connection of slide rheostat RP1, the output of the photosensitive module 103 of public termination of photo resistance RG1 and slide rheostat RP1.
Signal amplification module 105 comprises signal amplification chip H112A, divider resistance R2 and triode Q3.
Signal amplification chip H112A comprises input, output, power end and earth terminal, the power end of signal amplification chip H112A is connected with the output of rectification filtering module 101, the input of signal amplification chip H112A is connected with the output of photosensitive module 103, the earth terminal ground connection of signal amplification chip H112A.
The output of signal amplification chip H112A is connected with the base stage of triode Q3, the collector electrode of triode Q3 is connected with divider resistance R2, the other end of divider resistance R2 is connected with the output of rectification filtering module 101, the grounded emitter of triode Q3, the output of the public termination signal amplification module 105 of triode Q3 and divider resistance R2; The input that connects signal amplification module 105 and power end that the input of signal amplification chip H112A and power end are corresponding.
Light-operated lamp circuit also comprises divider resistance R3, and divider resistance R3 is series between divider resistance R2 and the power end of signal amplification chip H112A.
Switch control module 107 comprises capacitor C 2, divider resistance R1 and triode Q2, capacitor C 2 one end are connected with the base stage of triode Q2, other end ground connection, the collector electrode of triode Q2 is connected with one end of divider resistance R1, the other end of divider resistance R1 is the input of switch control module 107, the transmitting of triode Q2 is the output of switch control module 107 very, and the common port of the base stage of triode Q2 and capacitor C 2 is the control end of switch control module 107.
Semiconductor switch module 109 comprises bidirectional triode thyristor Q1, and the control end of bidirectional triode thyristor Q1, the first anode and second plate correspondence connect control end, the first anode and the second plate of semiconductor switch module 109.
Light-operated lamp circuit also comprises Voltage stabilizing module 111, and Voltage stabilizing module 111 is in parallel with photosensitive module 103.
Voltage stabilizing module 111 comprises voltage stabilizing didoe ZD1, the plus earth of voltage stabilizing didoe ZD1, and negative pole is connected with the input of photosensitive module 103.
Based on above-mentioned all embodiment, the operation principle of light-operated lamp circuit is as follows:
Rectification filtering module 101 is pressed for 220V alternating current being converted to galvanic current, and preferably, the voltage swing of rectification filtering module 101 outputs is 12V.220V alternating current is changed through transformer T1, and by rectifier bridge BD1 and electrochemical capacitor C1 rectifying and wave-filtering.
The direct voltage of rectification filtering module 101 outputs is for powering to photosensitive module 103, signal amplification module 105, switch control module 107 and semiconductor switch module 109.
The photo resistance RG1 induction intensity of illumination of photosensitive module 103, and follow intensity of illumination change direct impedance size, usually, illumination is stronger, and impedance is less.Therefore, when light is strong by day, swept resistance RP1 divide voltage high, the input terminal voltage of signal amplification module 105 is high, when the base voltage of triode Q3 is high enough to make triode Q3 to reach capacity state, and the triode Q2 emitter of switch control module 107 now input voltage be 12V, thereby, triode Q2 ends when triode Q3 saturation conduction, the control end of semiconductor switch module 109 is failure to actuate, be the first anode and the not conducting of second plate of bidirectional triode thyristor Q1, light fixture extinguishes.
When intensity of illumination weakens, the impedance of photo resistance RG1 increases, swept resistance RP1 divide voltage reduce, the input terminal voltage of signal amplification module 105 reduces, the base voltage of triode Q3 be reduced to exit saturation condition and by time, triode Q2 enters conducting state, thereby, the control end work of semiconductor switch module 109, i.e. the first anode of bidirectional triode thyristor Q1 and second plate conducting, light fixture obtains electric lighting.
In the above-mentioned course of work, by adjusting the resistance sizes of swept resistance RP1, lighting of light fixture under fixed-illumination intensity can be set and extinguish state.
Above-mentioned light-operated lamp circuit is by photosensitive module 103 induction intensities of illumination, and intensity of illumination is converted to voltage signal, be transferred to signal amplification module 105, after signal amplification module 105 will amplify, voltage transmission is to switch control module 107, switch control module 107 is according to conducting and the cut-off of the output voltage control of signal amplification module 105 self, thus the disconnection of control semiconductor switch module 109 and closed to control lighting and extinguishing of light fixture.Lighting with extinguishing process without manual operation of light fixture, and the sensitivity of photosensitive module 103 can arrange, thereby reach, automatically and accurately controls lighting and extinguishing of light fixture.
Usually, light-operated lamp circuit is for street lamp control system.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.

Claims (9)

1. a light-operated lamp circuit, comprises for AC power being converted to rectification filtering module, the switch control module of stable dc power supply, it is characterized in that, also comprises photosensitive module, signal amplification module and semiconductor switch module;
The input of described rectification filtering module is for being connected with AC power, and the output of described rectification filtering module is connected with input, the power end of signal amplification module, the input of switch control module of described photosensitive module simultaneously;
The output of described photosensitive module is connected with the input of described signal amplification module, the earth terminal ground connection of described photosensitive module, the output of described signal amplification module is connected with the control end of described switch control module, the earth terminal ground connection of described signal amplification module;
The output of described switch control module is connected with the control end of described semiconductor switch module, and the first anode of described semiconductor switch module and second plate are used for and light fixture is series between the live wire and zero line of AC power;
Wherein, described photosensitive module is for being converted to voltage signal by intensity of illumination, described signal amplification module is used for the voltage signal of described photosensitive module output being amplified and feeding back to described switch control module, described switch control module is controlled self conducting and cut-off according to the output voltage signal of described signal amplification module, thereby control conducting and the cut-off of described semiconductor switch module, and then the lighting and extinguish of the control light fixture of connecting with the first anode and the second plate of described semiconductor switch module.
2. light-operated lamp circuit according to claim 1, it is characterized in that, described rectification filtering module comprises transformer T1, rectifier bridge BD1 and electrochemical capacitor C1, the primary coil of described transformer T1 is for being connected with AC power, the input of the secondary coil of described transformer T1 and described rectifier bridge BD1, the output of described rectifier bridge BD1 is connected with the positive pole of described electrochemical capacitor C1, the minus earth of described electrochemical capacitor C1, the output of rectification filtering module described in the public termination of described rectifier bridge BD1 and described electrochemical capacitor C1.
3. light-operated lamp circuit according to claim 1, it is characterized in that, described photosensitive module comprises photo resistance RG1 and slide rheostat RP1, described photo resistance RG1 connects with described slide rheostat RP1, the input of photosensitive module described in a close termination of described photo resistance RG1 after described photo resistance RG1 connects with described slide rheostat RP1, near one end ground connection of described slide rheostat RP1, the output of photosensitive module described in the public termination of described photo resistance RG1 and described slide rheostat RP1.
4. light-operated lamp circuit according to claim 1, is characterized in that, described signal amplification module comprises signal amplification chip H112A, divider resistance R2 and triode Q3;
Described signal amplification chip H112A comprises input, output, power end and earth terminal, the power end of described signal amplification chip H112A is connected with the output of described rectification filtering module, the input of described signal amplification chip H112A is connected with the output of described photosensitive module, the earth terminal ground connection of described signal amplification chip H112A;
The output of described signal amplification chip H112A is connected with the base stage of described triode Q3, the collector electrode of described triode Q3 is connected with described divider resistance R2, the other end of described divider resistance R2 is connected with the output of described rectification filtering module, the grounded emitter of described triode Q3, the output of signal amplification module described in the public termination of described triode Q3 and described divider resistance R2; The input that connects described signal amplification module and power end that the input of described signal amplification chip H112A and power end are corresponding.
5. light-operated lamp circuit according to claim 4, is characterized in that, also comprises divider resistance R3, and described divider resistance R3 is series between described divider resistance R2 and the power end of described signal amplification chip H112A.
6. light-operated lamp circuit according to claim 1, it is characterized in that, described switch control module comprises capacitor C 2, divider resistance R1 and triode Q2, described capacitor C 2 one end are connected with the base stage of described triode Q2, other end ground connection, the collector electrode of described triode Q2 is connected with one end of described divider resistance R1, the input of switch control module described in another termination of described divider resistance R1, the emitter of described triode Q2 connects the output of described switch control module, the control end of switch control module described in the public termination of the base stage of described triode Q2 and described capacitor C 2.
7. light-operated lamp circuit according to claim 1, it is characterized in that, described semiconductor switch module comprises bidirectional triode thyristor Q1, and the control end of described bidirectional triode thyristor Q1, the first anode and second plate correspondence connect control end, the first anode and the second plate of described semiconductor switch module.
8. light-operated lamp circuit according to claim 1, is characterized in that, also comprises Voltage stabilizing module, and described Voltage stabilizing module is in parallel with described photosensitive module.
9. light-operated lamp circuit according to claim 8, is characterized in that, described Voltage stabilizing module comprises voltage stabilizing didoe ZD1, the plus earth of described voltage stabilizing didoe ZD1, and negative pole is connected with the input of photosensitive module.
CN201210374921.5A 2012-09-29 2012-09-29 Light-operated street-lamp circuit Pending CN103716941A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105142294A (en) * 2015-09-17 2015-12-09 王志 Light-operated LED street lamp
CN105282933A (en) * 2015-10-29 2016-01-27 黄霞 Automatic lighting system for smart home courtyard video monitoring
CN107277971A (en) * 2017-06-16 2017-10-20 浙江阳光美加照明有限公司 A kind of light-controlled switching circuit of LED
CN108449836A (en) * 2018-04-04 2018-08-24 深圳珈伟光伏照明股份有限公司 A kind of LED light light-operated circuit and LED lamp
CN108882447A (en) * 2018-06-25 2018-11-23 珠海市恒裕英发科技有限公司 A kind of light-operated circuit
CN114126137A (en) * 2021-11-24 2022-03-01 欧普照明股份有限公司 LED driving circuit with photosensitive inductive switch and method

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105142294A (en) * 2015-09-17 2015-12-09 王志 Light-operated LED street lamp
CN105282933A (en) * 2015-10-29 2016-01-27 黄霞 Automatic lighting system for smart home courtyard video monitoring
CN107277971A (en) * 2017-06-16 2017-10-20 浙江阳光美加照明有限公司 A kind of light-controlled switching circuit of LED
CN107277971B (en) * 2017-06-16 2023-08-29 浙江阳光美加照明有限公司 Light-operated switch circuit of LED lamp
CN108449836A (en) * 2018-04-04 2018-08-24 深圳珈伟光伏照明股份有限公司 A kind of LED light light-operated circuit and LED lamp
CN108449836B (en) * 2018-04-04 2024-02-20 珈伟新能源股份有限公司 LED light control circuit and LED lamp
CN108882447A (en) * 2018-06-25 2018-11-23 珠海市恒裕英发科技有限公司 A kind of light-operated circuit
CN114126137A (en) * 2021-11-24 2022-03-01 欧普照明股份有限公司 LED driving circuit with photosensitive inductive switch and method

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Application publication date: 20140409