CN106455256A - Time base integrated chip-based high-stability automatic control circuit for street lamp - Google Patents
Time base integrated chip-based high-stability automatic control circuit for street lamp Download PDFInfo
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- CN106455256A CN106455256A CN201610873064.1A CN201610873064A CN106455256A CN 106455256 A CN106455256 A CN 106455256A CN 201610873064 A CN201610873064 A CN 201610873064A CN 106455256 A CN106455256 A CN 106455256A
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- audion
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- resistance
- integrated chip
- electric capacity
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a time base integrated chip-based high-stability automatic control circuit for a street lamp. The automatic control circuit is characterized by mainly comprising a time base integrated chip U2, a diode rectifier U1, a triode VT1, a triode VT2, a triode VT3 and the like. The automatic control circuit can automatically control the street lamp to be turned on when the environment brightness is not enough, and automatically control the street lamp to be turned off when the environment brightness is enough, the automatic degree is high and the street lamp does not need to be manually turned on or turned off, so that the condition that a lot of electric energy is wasted due to the fact that the street lamp is forgotten to be turned off when the light is enough during the day is avoided; and a lot of electric energy is saved. According to the automatic control circuit disclosed by the invention, an AC component in DC voltage can be well filtered, so that the street lamp works more stably and the lighting effect of the street lamp is improved.
Description
Technical field
The present invention relates to a kind of on-off circuit, specifically refer to a kind of based on when base integrated chip high stability street lamp automatic
Control circuit.
Background technology
Energy shortage is the serious problems for facing in human social development, but people are not often in life
Substantial amounts of electric energy is wasted between careful.For example, current street lamp is all manually to carry out open and close control mostly, using this control
Method processed is relatively complicated, and easily occur in daytime bright and clear when but forget close street lamp situation, cause substantial amounts of electricity
Can waste.Therefore it provides a kind of control circuit that can automatically control street lamp open and close according to ambient brightness is then current
The task of top priority.
Content of the invention
It is an object of the invention to overcome current relatively complicated by the way of manually control street lamp open and close, and easily
Occur in daytime bright and clear when but forget close street lamp situation, the defect for causing substantial amounts of electric energy to waste, provide one
Kind based on when base integrated chip high stability street light automatic control circuit.
The purpose of the present invention is achieved through the following technical solutions：A kind of based on when base integrated chip high stability street lamp from
Dynamic control circuit, mainly by when base integrated chip U2, diode rectifier U1, audion VT1, audion VT2, audion VT3,
Audion VT4, amplifier P, bidirectional thyristor D4, P pole is connected with the cathode output end of diode rectifier U, N pole is through voltage stabilizing
The Zener diode D2 being connected with the emitter stage of audion VT after diode D1, is serially connected in the emitter stage and two of audion VT1
Resistance R1 between the cathode output end of pole pipe commutator U, positive pole is connected with the emitter stage of audion VT1 after resistance R2,
The electric capacity C1 that negative pole is connected with the colelctor electrode of audion VT1, positive pole is connected with the negative pole of amplifier P, negative pole is through resistance R4
The electric capacity C3 being connected with the P pole of Zener diode D2 afterwards, is serially connected between the negative pole of electric capacity C3 and the emitter stage of audion VT1
Resistance R3, the electric capacity C2 that positive pole is connected with the negative pole of electric capacity C3, negative pole is connected with the P pole of Zener diode D2, one end
Be connected with the positive pole of amplifier P, photoconductive resistance that the other end is connected with the P pole of Zener diode D2 after potentiometer RP
RG, one end is connected with the junction point of photoconductive resistance RG and potentiometer RP, the other end and when base integrated chip U2 TRIG pin
The resistance R5 being connected, positive pole with when base integrated chip U2 TRIG pin be connected, the P pole phase of negative pole and Zener diode D2
The electric capacity C4 of connection, positive pole with when base integrated chip U2 CONT pin be connected, negative pole is connected with the negative pole of electric capacity C4
Electric capacity C5, is serially connected in resistance R7, the P pole between the emitter stage of audion VT2 and the base stage of audion VT4 with audion VT3's
The diode D3 that emitter stage is connected, N pole is connected with the control end of bidirectional thyristor D4 after resistance R8, and one end and two
The cathode output end of pole pipe commutator U1 is connected, the other end is connected with the first anode of bidirectional thyristor D4 after street lamp EL
Resistance R6 composition；The colelctor electrode of the audion VT1 is connected with the positive pole of amplifier P, the output of its base stage and amplifier P
End is connected；When described the VCC pin of base integrated chip U2 be connected with its RE pin, the positive pole of its RE pin and amplifier P
Be connected, ground connection while its TRIG pin is connected with THRE pin, its GND pin is connected with the negative pole of electric capacity C5, its
OUT pin is then connected with the base stage of audion VT2；The colelctor electrode of the audion VT2 with when base integrated chip U2 VCC pipe
Foot is connected, its emitter stage is connected with the base stage of audion VT3；The emitter stage of the audion VT3 and the collection of audion VT4
Electrode is connected, its collector is connected with the colelctor electrode of audion VT2；The emitter stage of the audion VT4 also respectively with when base
The GND pin of integrated chip U2 is connected with the second plate of bidirectional thyristor D4；The colelctor electrode of the audion VT3 and resistance
R6 is connected with the junction point of street lamp EL；The input of the diode rectifier U1 is used as power input.
In order to preferably implement the present invention, when described, base integrated chip is NE555 type integrated chip.The bidirectional thyristor
D4 is BT136 type bidirectional thyristor.
The present invention compared with the prior art, with advantages below and beneficial effect：
(1) present invention can automatically control street lamp and open when ambient brightness is inadequate, and when ambient brightness is enough then certainly
Dynamic control street lamp closing, its high degree of automation, street lamp is opened or closed without the need for manually, bright and clear on daytime so as to avoid
Shi Yin forgets to close street lamp and cause the situation that substantial amounts of electric energy is wasted to occur, and saves substantial amounts of electric energy.
(2) present invention can be very good to filter the alternating component in DC voltage, so that street lamp work is more stable, carry
The illuminating effect of high street lamp.
Description of the drawings
Fig. 1 is the integrated circuit structure chart of the present invention.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to
This.
Embodiment
As shown in figure 1, the present invention is mainly by diode rectifier U1, when base integrated chip U2, audion VT1, audion
VT2, audion VT3, audion VT4, amplifier P, bidirectional thyristor D4, resistance R1, resistance R2, resistance R3, resistance R4, resistance
R5, diode D3, resistance R6, resistance R7, resistance R8, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, street lamp EL, surely
Pressure diode D1, Zener diode D2, potentiometer RP and photoconductive resistance RG composition.
Wherein, the P pole of Zener diode D2 is connected with the cathode output end of diode rectifier U, and N pole is through two pole of voltage stabilizing
It is connected with the emitter stage of audion VT1 after pipe D1.Resistance R1 is serially connected in the emitter stage of audion VT1 and diode rectifier U
Cathode output end between.Therefore, Zener diode D1 and Zener diode D2 and resistance R1 are collectively forming mu balanced circuit.Should
Zener diode D1 and Zener diode D2 are all using 2CW6 type Zener diode, and the resistance of resistance R1 is 47K Ω.
The positive pole of electric capacity C1 is connected with the emitter stage of audion VT1 after resistance R2, the current collection of negative pole and audion VT1
Pole is connected.The positive pole of electric capacity C3 is connected with the negative pole of amplifier P, P pole of the negative pole after resistance R4 with Zener diode D2
It is connected.Resistance R3 is serially connected between the emitter stage of the negative pole of electric capacity C3 and audion VT1.The positive pole of electric capacity C2 is with electric capacity C3's
Negative pole is connected, and negative pole is connected with the P pole of Zener diode D2.The colelctor electrode of the audion VT1 and the positive pole of amplifier P
It is connected, its base stage is connected with the outfan of amplifier P.
Wherein, amplifier P, audion VT1, electric capacity C3, electric capacity C1, resistance R2 and resistance R4 collectively constitute a filtering
Device；The wave filter effectively can be filtered to the alternating component in DC voltage, so as to be that subsequent conditioning circuit and street lamp are provided
The unidirectional current of smooth-going, makes street lamp work more stable.Audion VT1 adopts 3AX31 type audion, the model of amplifier P
The capacitance of OP364, electric capacity C2 is 10 μ F, and it is 22K Ω that the capacitance of electric capacity C1 and electric capacity C3 is the resistance of 1 μ F, resistance R3, resistance
The resistance of R2 and resistance R4 is 4.7K Ω.
One end of photoconductive resistance RG is connected with the positive pole of amplifier P, the other end after potentiometer RP with Zener diode
The P pole of D2 is connected.One end of resistance R5 is connected with the junction point of photoconductive resistance RG and potentiometer RP, the other end with when basis set
The TRIG pin of chip U2 is become to be connected.The positive pole of electric capacity C4 with when base integrated chip U2 TRIG pin be connected, negative pole with
The P pole of Zener diode D2 is connected.The positive pole of electric capacity C5 with when base integrated chip U2 CONT pin be connected, negative pole and electricity
The negative pole for holding C4 is connected.Resistance R7 is serially connected between the base stage of the emitter stage of audion VT2 and audion VT4.Diode D3
P pole be connected with the emitter stage of audion VT3, N pole is connected with the control end of bidirectional thyristor D4 after resistance R8.Resistance
One end of R6 is connected with the cathode output end of diode rectifier U1, the other end after street lamp EL with bidirectional thyristor D4
One anode is connected.
Meanwhile, when described, the VCC pin of base integrated chip U2 is connected with its RE pin, and its RE pin is with amplifier P's
Positive pole is connected, and its TRIG pin is connected with THRE pin, and its GND pin is connect while being connected with the negative pole of electric capacity C5
Ground, its OUT pin is then connected with the base stage of audion VT2.The colelctor electrode of the audion VT2 with when base integrated chip U2
VCC pin is connected, and its emitter stage is connected with the base stage of audion VT3.The emitter stage of the audion VT3 and audion
The colelctor electrode of VT4 is connected, and its collector is connected with the colelctor electrode of audion VT2.The emitter stage of the audion VT4 is also distinguished
With when the GND pin of base integrated chip U2 and the second plate of bidirectional thyristor D4 be connected.The colelctor electrode of the audion VT3
It is connected with the junction point of resistance R6 and street lamp EL.The input of the diode rectifier U1 as power input and with
220 civil powers are connected.
This when base integrated chip U2, photoconductive resistance RG, potentiometer RP, resistance R5, electric capacity C4 and electric capacity C5 are collectively constituted
One luminance detection circuit；And audion VT2, audion VT3, audion VT4, bidirectional thyristor D4, resistance R7, resistance R8 with
And diode D3 then collectively constitutes an on-off circuit；The luminance detection circuit can detect the brightness of environment, and according to environment
Brightness carry out on or off on-off circuit.On-off circuit can be then turned under different illumination intensity regulator potentiometer RP.
Photoconductive resistance of the photoconductive resistance RG using bright resistance less than 3K Ω, the maximum value of potentiometer RP is 200K Ω, electricity
It is then 0.01 μ for the capacitance of 22 μ F, electric capacity C5 that resistance R5, the resistance of resistance R7 and resistance R8 are the capacitance of 51K Ω, electric capacity C4
F, audion VT2～VT4 are all using 9012 type audions, and diode D3 is then 1N4148 type switching diode, bidirectional thyristor
BT136 type bidirectional thyristor, when D4 is then, base integrated chip is NE555 type integrated chip.
Diode rectifier U1 is made up of 4 1N4001 type diodes, and the resistance of resistance R6 is 47K Ω.
During work, 220V alternating current exports 12V unidirectional current after diode rectifier U1 rectification, and unidirectional current is through two pole of voltage stabilizing
Pipe D1 and Zener diode D2 supply luminance detection circuit after carrying out voltage stabilizing, and filter filtering.On daytime, photoconductive resistance RG is received
Light irradiation and be in low resistive state, when the TRIG pin of base integrated chip U2 and the current potential of THRE pin be higher than 4V, its OUT pin is defeated
Go out low level, on-off circuit is not turned on, and street lamp is not lighted.Come temporarily when dusk, intensity of illumination gradually weakens, photoconductive resistance RG's
Resistance is gradually increased, and when at this moment, the TRIG pin of base integrated chip U2 and the level of THRE pin are also gradually reduced, when TRIG is managed
When the level of foot and THRE pin is down to below 4V, when base integrated chip U2 inside trigger upset, the output of its OUT pin
Level is changed into high level from low level, is both turned on audion VT2～VT4, and diode D3 must be conducted, and electric current divides through resistance R8
Triggering bidirectional thyristor D4 conducting after pressure, at this moment street lamp is lit.Until second day dawn came temporarily, illumination gradually strengthens, light
The resistance of quick resistance RG is gradually reduced, when base integrated chip U2 OUT pin export again low level, on-off circuit is cut again
Only, street lamp extinguishes.Such then effectively the open and close of street lamp can be controlled according to the brightness of environment, it is to avoid daytime light fill
The situation for causing substantial amounts of electric energy to waste when sufficient because forgetting closing street lamp occurs, and saves substantial amounts of electric energy.
As described above, the present invention just can be realized well.
Claims (3)
1. a kind of based on when base integrated chip high stability street light automatic control circuit, it is characterised in that main by when basis set
Become chip U2, diode rectifier U1, audion VT1, audion VT2, audion VT3, audion VT4, bidirectional thyristor D4,
Amplifier P, P pole is connected with the cathode output end of diode rectifier U, N pole is with audion VT's after Zener diode D1
The Zener diode D2 that emitter stage is connected, is serially connected in the emitter stage of audion VT1 and the cathode output end of diode rectifier U
Between resistance R1, positive pole is connected with the emitter stage of audion VT1 after resistance R2, the colelctor electrode of negative pole and audion VT1
The electric capacity C1 being connected, positive pole is connected with the negative pole of amplifier P, P pole phase of the negative pole after resistance R4 with Zener diode D2
The electric capacity C3 of connection, the resistance R3 being serially connected between the negative pole of electric capacity C3 and the emitter stage of audion VT1, positive pole is with electric capacity C3's
The electric capacity C2 that negative pole is connected, negative pole is connected with the P pole of Zener diode D2, one end is connected with the positive pole of amplifier P, separately
The photoconductive resistance RG that one end is connected with the P pole of Zener diode D2 after potentiometer RP, one end and photoconductive resistance RG and current potential
The junction point of device RP is connected, the other end with when base integrated chip U2 the resistance R5 that is connected of TRIG pin, positive pole with when base
The electric capacity C4 that the TRIG pin of integrated chip U2 is connected, negative pole is connected with the P pole of Zener diode D2, positive pole with when basis set
The electric capacity C5 that the CONT pin for becoming chip U2 is connected, negative pole is connected with the negative pole of electric capacity C4, is serially connected in sending out for audion VT2
Resistance R7, P pole between the base stage of emitter-base bandgap grading and audion VT4 is connected with the emitter stage of audion VT3, N pole is after resistance R8
The diode D3 being connected with the control end of bidirectional thyristor D4, and the cathode output end phase of one end and diode rectifier U1
The resistance R6 composition that connection, the other end are connected with the first anode of bidirectional thyristor D4 after street lamp EL；The audion VT1
Colelctor electrode be connected with the positive pole of amplifier P, its base stage is connected with the outfan of amplifier P；Base integrated chip when described
The VCC pin of U2 is connected with its RE pin, its RE pin is connected with the positive pole of amplifier P, its TRIG pin and THRE are managed
Ground connection, its OUT pin base stage then with audion VT2 while foot is connected, its GND pin is connected with the negative pole of electric capacity C5
It is connected；The colelctor electrode of the audion VT2 with when base integrated chip U2 VCC pin be connected, its emitter stage and audion
The base stage of VT3 is connected；The emitter stage of the audion VT3 is connected with the colelctor electrode of audion VT4, its collector and audion
The colelctor electrode of VT2 is connected；The emitter stage of the audion VT4 also respectively with when the GND pin of base integrated chip U2 and two-way
The second plate of IGCT D4 is connected；The colelctor electrode of the audion VT3 is connected with the junction point of resistance R6 and street lamp EL；
The input of the diode rectifier U1 is used as power input.
2. according to claim 1 a kind of based on when base integrated chip high stability street light automatic control circuit, which is special
Levy and be, when described, base integrated chip is NE555 type integrated chip.
3. according to claim 1 a kind of based on when base integrated chip high stability street light automatic control circuit, which is special
Levy and be, the bidirectional thyristor D4 is BT136 type bidirectional thyristor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873064.1A CN106455256A (en) | 2016-09-30 | 2016-09-30 | Time base integrated chip-based high-stability automatic control circuit for street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873064.1A CN106455256A (en) | 2016-09-30 | 2016-09-30 | Time base integrated chip-based high-stability automatic control circuit for street lamp |
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| Publication Number | Publication Date |
|---|---|
| CN106455256A true CN106455256A (en) | 2017-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610873064.1A Pending CN106455256A (en) | 2016-09-30 | 2016-09-30 | Time base integrated chip-based high-stability automatic control circuit for street lamp |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104470036A (en) * | 2013-09-16 | 2015-03-25 | 成都昊地科技有限责任公司 | Automatic brightness control circuit of LED lamp |
| CN204559940U (en) * | 2015-03-16 | 2015-08-12 | 江苏伏特照明集团有限公司 | A kind of novel street lamp light-operated circuit |
| CN204887562U (en) * | 2015-07-17 | 2015-12-16 | 刘慧玲 | Light -operated LED |
| CN204948402U (en) * | 2015-07-02 | 2016-01-06 | 宁波摩米创新工场电子科技有限公司 | A kind of energy-saving auto-control switch circuit |
| CN205142595U (en) * | 2015-10-26 | 2016-04-06 | 天津创伟鑫科技有限公司 | Light -operated LED street lamp |
-
2016
- 2016-09-30 CN CN201610873064.1A patent/CN106455256A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104470036A (en) * | 2013-09-16 | 2015-03-25 | 成都昊地科技有限责任公司 | Automatic brightness control circuit of LED lamp |
| CN204559940U (en) * | 2015-03-16 | 2015-08-12 | 江苏伏特照明集团有限公司 | A kind of novel street lamp light-operated circuit |
| CN204948402U (en) * | 2015-07-02 | 2016-01-06 | 宁波摩米创新工场电子科技有限公司 | A kind of energy-saving auto-control switch circuit |
| CN204887562U (en) * | 2015-07-17 | 2015-12-16 | 刘慧玲 | Light -operated LED |
| CN205142595U (en) * | 2015-10-26 | 2016-04-06 | 天津创伟鑫科技有限公司 | Light -operated LED street lamp |
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Application publication date: 20170222 |