CN109496011A - A kind of LED circuit - Google Patents
A kind of LED circuit Download PDFInfo
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- CN109496011A CN109496011A CN201811378336.6A CN201811378336A CN109496011A CN 109496011 A CN109496011 A CN 109496011A CN 201811378336 A CN201811378336 A CN 201811378336A CN 109496011 A CN109496011 A CN 109496011A
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- 239000004065 semiconductor Substances 0.000 claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims description 42
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 206010016326 Feeling cold Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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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 LED street lamp of multifunctional efficient electricity-saving rate long-life a kind of, built-up circuit are made of electronic transformer circuit, rectifier circuit, thyristor control circuit, constant-current source circuit, voltage regulator circuit, automatic dimming circuit and electron temperature control circuit and LED lighting board circuit.A kind of LED street lamp of multi-functional high power saving efficiency long-life has timing automatic dimming function；Has the function of constant current source power supply；With electron temperature control function；With semiconductor chilling plate heat sinking function.If making LED street lamp that there is the function of being higher by 25% or more than the electricity-saving rate of common LED street lamp not with an automatic light meter in LED street lamp this driver applications；LED street lamp is set to have the operating temperature of control street lamp in 50 DEG C of functions below；LED street lamp is set to be able to use the function by 50,000 hours.
Description
Technical field
The present invention relates to the LED street lamp of multifunctional efficient electricity-saving rate long-life a kind of and its circuits.
Background technique
LED is eliminating the street lamp of incandescent lamp kind with the high advantage in its electricity-saving rate at present, only current LED street lamp,
It has a single function, lacks timing automatic dimming function, lacks semiconductor chilling plate heat sinking function, there is no the fractional energy savings of LED street lamp
It is fully enhanced, the service life of lamp is not grown.
Summary of the invention
The LED street lamp of 1. a kind of multifunctional efficient electricity-saving rate long-lives of the invention, it is characterised in that: circuit is formed by electronics
Transformer circuit, rectification circuit, thyristor control circuit, constant-current source circuit, voltage regulator circuit, automatic dimming circuit, electron temperature
Control circuit, semiconductor chilling plate circuit and LED lighting board circuit composition；The electronic transformer by bidirectional thyristor D2,
Bilateral diode D1, capacitor C1, resistance R1, R2, R3 composition；Bidirectional thyristor D2 input termination AC power source one end and
The first end of capacitor C1, the first end of the second termination bilateral diode D1 of capacitor C1 and the first end of resistance R1, two-way two pole
The control terminal of the second termination bidirectional thyristor D2 of pipe D1, the first end of the output terminating resistor R2 of bidirectional thyristor D2, resistance
The first end of R3 and the first input end of rectification circuit, the second end of the second terminating resistor R2 of resistance R1, the of resistance R3
Two ends, rectification circuit the second input terminal be all connected with the other end of AC power source；The thyristor control circuit is by unidirectional brilliant
Brake tube D4, resistance R4, R5, R6, capacitor C2, C3 composition, wherein R6 is adjustable resistance；The anode of unidirectional thyristor D4 connects rectified current
The first end of the output plus terminal on road, resistance R6, the control electrode of unidirectional thyristor D4 are connected to the first of capacitor C2 via resistance R4
End, resistance R5 first end, the first end of the second end connection sliding end of resistance R6 of resistance R5, capacitor C3, the of resistance R6
Two ends, the second end of capacitor C2, the second end of capacitor C3 are connect with the cathode of unidirectional thyristor D4, the yin of unidirectional thyristor D4
Output end of the pole as thyristor control circuit；The constant-current source circuit is made of two groups of independent constant-current power supply circuits, brilliant
The output end of brake tube control circuit connects the input terminal of the first constant-current power supply circuit, and the output end of thyristor control circuit also passes through
The input terminal of relay normally open switch the second constant-current power supply circuit of connection, the second constant-current supply after relay normally open contact is attracted
Circuit is switched on；The output end connection LED lighting board circuit of the output end of first constant-current power supply circuit, the second constant-current power supply circuit
First end, for providing LED lighting board working power, the output negative terminal of the second termination rectification circuit of LED lighting board circuit；
The voltage regulator circuit is made of three terminal regulator IC3 and IC4, the capacitor C10 of model 7812, and IC3, IC4 are connected using in parallel
It connects；The 1st foot of the output termination IC3 of thyristor control circuit and the 1st foot of IC4, the 3rd foot of IC3 and the 3rd foot of IC4 and
The first end of capacitor C10 is connected, and the output end as voltage regulator circuit, the 2nd foot and capacitor C10 of the 2nd foot of IC3, IC4
Second end connect the output negative terminal of rectification circuit；The automatic dimming circuit by light modulation special chip IC 5, resistance R9, R10,
R11, R12, capacitor C8, C11, diode D5, D6, triode T1 and relay composition, the model CD4060 of IC5；Pressure stabilizing
First end, the 16th foot of IC5 and the emitter of triode T1 of the output termination capacitor C8 of circuit, the second end of capacitor C8
12nd foot of the first end of connecting resistance R9, IC5, the 9th foot of IC5 connect the first end of capacitor C11, the 10th foot connecting resistance of IC5
The first end of R10, the first end of the 11st foot connecting resistance R11 of IC5 and the cathode of diode D5, the second end of capacitor C11, resistance
The second end of the second end of R10, resistance R11 is connected, and the 3rd foot of IC5 connects the anode of diode D5 and connect by resistance R12
The base stage of triode T1, the collector of triode T1 connect the cathode of diode D6 and flank rectification circuit by the control of relay
Output negative terminal, the second end of resistance R9, the 8th foot of IC5 also connect the output negative terminal of rectification circuit；The electron temperature control
Device is by silicon triode T2, the operational amplifier IC8 of model LM324, resistance R13, R14, R15, R16, capacitor C9 and model
555 time base circuit chip IC 7 forms, the first end of the output terminating resistor R13 of voltage regulator circuit, the 4th of IC7 the, 8 feet, resistance
First end, the first end of resistance R14, the base stage and collector of silicon triode T2 of the second termination capacitor C9 of R13, resistance R14
The second termination IC8 normal phase input end, the first end of the anti-phase input terminating resistor R15 of IC8 simultaneously meets IC8 by resistance R16
Output end, the output end of IC8 also connects the 2nd of IC7 the, 6 feet, and the 5th foot of IC7 connects the first end of capacitor C12, the of capacitor C12
Two ends, the second end of capacitor C9, the emitter of silicon triode T2, the second end of resistance R15 and IC7 the 1st foot connect rectification
The output negative terminal of circuit；The watt level that semiconductor chilling plate circuit is controlled by the voltage change that the 3rd foot of IC7 exports, from
And reach the function of control LED operation temperature.It is open a kind of multiple functional, it can timing LED street lamp with an automatic light meter；Street lamp energy
Semiconductor chilling plate helps heat dissipation；The LED street lamp of the multifunctional efficient power saving of street lamp energy constant current source power supply.Periodically function with an automatic light meter
Can, it allows street lamp to carry out Power auto-adjustment by the operating condition of traffic route, is a setting time when starting to work such as street lamp to zero
Section, in this timing section, street lamp is worked with vehement bright operating condition.After timing setting time counting arrives, street lamp automatically will
Function reduces more than half power, under the premise of not influencing road traffic illumination, makes the fractional energy savings of street lamp on energy-efficient basis
On save 25% or more electric energy again；LED street lamp is radiated using semiconductor chilling plate, and controls semiconductor with electronics protractor
Power, the temperature of LED street lamp is at 50 DEG C or less, by single spur track moral constant-current supply semiconductor supply cooling piece working power；
When LED street lamp temperature is more than 50 DEG C or more, automatically engage second constant-current supply, the electric current of You Liangzhi constant-current source superposition to
Semiconductor chilling plate provides operating current, to improve the power of semiconductor chilling plate, effectively controls the work temperature of LED street lamp
At 50 DEG C hereinafter, realizing the HATIZ theorem of LED: " when LED operation temperature is 25 DEG C or less, service life is 100,000 hours；25-
At 50 DEG C, service life is 50,000 hours.", even if LED street lamp service life reaches 50,000 hours.Such as 12 are used daily by street lamp
Hour calculates, then street lamp service life can be made within 50,000 hours to reach 11 years.
The LED street lamp of multifunctional efficient electricity-saving rate long-life a kind of, circuit are formed by electronics reduction voltage circuit, rectified current
Road, thyristor control circuit, constant-current source circuit, timing automatic dimming circuit, electron temperature control circuit, semiconductor chilling plate dissipate
Heater circuit and luminescent screen circuit composition.
Detailed description of the invention
Attached drawing 1 is a kind of circuit diagram of the LED street lamp of multifunctional efficient electricity-saving rate long-life.
Specific embodiment
As shown in the picture, D1, D2, R1, R2, R3, C1 form electronic transformer circuit, and R1 is adjustable resistance, passes through adjusting
The value of R1 makes input AC 220V voltage become required alternating current output voltage values, for voltage needed for next stage circuit；B is single
The alternating voltage that electronic transformer exports is become the DC voltage supply next stage circuit of pulsation by phase full-wave rectifier circuit
Operating voltage.
As shown in the picture, D4, R4, R5, R6, C2, C3 form thyristor phase-shift control circuit, by DC voltage control about
40V range supplies LED street lamp operating voltage.
As shown in the picture, IC1, R7, C5 and IC2, R8, C6 are two groups of independent constant-current power supply circuits, appropriate by selecting
R7 or R8 value, can be obtained required Constant Electric Current source value, and by the work electricity of two groups of constant-current supply parallel connections supply LED street lamps
Source.In two groups of constant-current sources, wherein one group of IC2 constant-current source is controlled by the normally opened contact IC6 of relay, when LED street lamp just starts work
Make to terminate to stop to set period of time, street lamp is worked with vehement bright operating condition；After setting time is count down to, the normally opened contact of relay
Tripping IC2 branch, Dan You IC1 branch rood constant-current source supply LED lighting board working power, realize automatic dimming function.
As shown in the picture, IC3, IC4, C10 form voltage regulator circuit, and IC3, IC4 are the three terminal regulators of model 7812, are adopted
It is to increase output current value with the purpose being connected in parallel, to meet the power requirement of next stage circuit.
IC5 is model CD4060 chip, and 9,10,11 feet form timing constant, select value appropriate, Ji Keman
The required setting time of foot.R9, C8 of 12 feet of IC5 are electrifying self-resetting circuits, and when IC5 obtains electricity, 12 feet are inputting one just
Pulse resets IC5 chip, and exports low level in 3 feet of IC5, and the triode T1 of positive-negative-positive is driven to become being connected from ending,
Relay IC6 is acted after triode T1 conducting, and normally opened contact IC6 is attracted, and continuous current source IC2 branch is connected, by two perseverances
Current source circuit IC1, IC2 superimposed current value provides operating current to LED lighting board.
After LED street lamp starts to obtain electricity work, the timer of automatic voltage regulating circuit carries out accumulative timing, timing to be waited
When counting down to, IC5 output end 3 becomes high level from low level, and triode T1 becomes ending from being connected, relay IC6 tripping,
Normally opened contact IC6 disconnects IC2 branch, only supplies working power from the constant current source of IC1 branch to LED lighting board.Meanwhile
The 3 end output high level voltages of IC5 are sent to 11 feet, force the internal oscillator circuit failure of oscillation of IC5, and failure of oscillation is maintained to
Until turning off the light.
As shown in the picture, IC8, T2, R13, R14, R15, R16, C9 and IC7 form electron temperature control circuit, utilize silicon
The every temperature of triode emission junction voltage temperature coefficient rises 1 DEG C, and transmitting junction voltage can decline the characteristic of 2.5V, operational amplifier
LM324 is connected into same phase direct current amplification form, and temperature is higher, and triode T2 pressure drop is smaller, the homophase input voltage of operational amplifier
Lower, output voltage is also lower.Temperature-control circuit moral output voltage is sent to the 2 of IC7,6 feet.IC7 be model 555 when
Base circuit chip, when the voltage of 2,6 feet of IC7 is greater than 2UCCWhen/3,3 foot of output of IC7 is low level；When the voltage of 2,6 feet
Lower than UCCWhen/3,3 foot of output of IC7 is high level.The work of the voltage change control IC11 of 3 feet is exported using IC7, thus
The watt level for controlling semiconductor chilling plate IC12 reaches the function of control LED operation temperature.
As shown in the picture, IC12 is semiconductor chilling plate, be mounted on by lampshade, light-emitting LED plate, electronic temperature controller and
In the seal chamber of the face composition that feels cold of semiconductor chilling plate, the face of feeling cold of semiconductor chilling plate distributes cold energy when work, distributes
The heat that LED is distributed is neutralized in seal chamber reaches heat dissipation effect；And the heating surface of semiconductor chilling plate is mounted on and is connected with lamp housing
Place, when work, just pass through lamp housing and radiate to space.
As shown in the picture, LED is luminescent screen, and the LED lighting board of different capacity can be selected to form the street lamp of different capacity.
V is varistor, plays overvoltage protection in circuit.
Claims (1)
1. the LED street lamp of multifunctional efficient electricity-saving rate long-life a kind of, it is characterised in that: circuit is formed by the electronic transformer
Circuit, rectification circuit, thyristor control circuit, constant-current source circuit, voltage regulator circuit, automatic dimming circuit, electron temperature control electricity
Road, semiconductor chilling plate circuit and LED lighting board circuit composition；
The electronic transformer is made of bidirectional thyristor D2, bilateral diode D1, capacitor C1, resistance R1, R2, R3；It is two-way
One end of the input termination AC power source of thyristor D2 and the first end of capacitor C1, the second termination bilateral diode D1 of capacitor C1
First end and resistance R1 first end, bilateral diode D1 second termination bidirectional thyristor D2 control terminal, it is two-way crystalline substance lock
First end, the first end of resistance R3 and the first input end of rectification circuit of the output terminating resistor R2 of pipe D2, resistance R1's
The second end of second terminating resistor R2, the second end of resistance R3, the second input terminal of rectification circuit are all connected with the another of AC power source
One end；
The thyristor control circuit is made of unidirectional thyristor D4, resistance R4, R5, R6, capacitor C2, C3, wherein R6 be can
Adjust resistance；The anode of unidirectional thyristor D4 connects the first end of the output plus terminal of rectification circuit, resistance R6, the control of unidirectional thyristor D4
Pole processed is connected to the first end of the first end of capacitor C2, resistance R5 via resistance R4, the second end connection resistance R6's of resistance R5
The first end of sliding end, capacitor C3, the second end of resistance R6, the second end of capacitor C2, the second end of capacitor C3 with unidirectional crystalline substance
The cathode of brake tube D4 connects, output end of the cathode of unidirectional thyristor D4 as thyristor control circuit；
The constant-current source circuit is made of two groups of independent constant-current power supply circuits, the output end of thyristor control circuit connection the
The input terminal of one constant-current power supply circuit, the output end of thyristor control circuit also switch the second constant current of connection by relay normally open
The input terminal of power circuit, the second constant-current power supply circuit is switched on after relay normally open contact is attracted；First constant-current supply electricity
The output end on road, the second constant-current power supply circuit output end connection LED lighting board circuit first end, for provide LED shine
Plate working power, the output negative terminal of the second termination rectification circuit of LED lighting board circuit；
The voltage regulator circuit is made of three terminal regulator IC3 and IC4, the capacitor C10 of model 7812, and IC3, IC4 are using in parallel
Connection；The 3rd foot of the 1st foot of the output termination IC3 of thyristor control circuit and the 1st foot of IC4, the 3rd foot of IC3 and IC4 with
And the first end of capacitor C10 is connected, and the output end as voltage regulator circuit, the 2nd foot and capacitor of the 2nd foot of IC3, IC4
The second end of C10 connects the output negative terminal of rectification circuit；
The automatic dimming circuit by light modulation special chip IC 5, resistance R9, R10, R11, R12, capacitor C8, C11, diode D5,
D6, triode T1 and relay composition, the model CD4060 of IC5；The first end of the output termination capacitor C8 of voltage regulator circuit,
The 16th foot of IC5 and the emitter of triode T1, the 12nd foot of the first end of the second terminating resistor R9 of capacitor C8, IC5,
The 9th foot of IC5 meets the first end of capacitor C11, the first end of the 10th foot connecting resistance R10 of IC5, the 11st foot connecting resistance R11 of IC5
First end and diode D5 cathode, second end, the second end of resistance R10 of capacitor C11, the second end of resistance R11 is connected
It connects, the 3rd foot of IC5 connects the anode of diode D5 and connects the base stage of triode T1 by resistance R12, and the collector of triode T1 connects
The cathode of diode D6 and the output negative terminal that rectification circuit is flanked by the control of relay, the of the second end of resistance R9, IC5
8 feet also connect the output negative terminal of rectification circuit；
The electronic temperature controller by silicon triode T2, the operational amplifier IC8 of model LM324, resistance R13, R14,
The time base circuit chip IC 7 of R15, R16, capacitor C9 and model 555 forms, and the of the output terminating resistor R13 of voltage regulator circuit
One end, the 4th of IC7 the, 8 feet, first end, the first end of resistance R14, silicon triode T2 of the second termination capacitor C9 of resistance R13
Base stage and collector, the normal phase input end of the second termination IC8 of resistance R14, the of the anti-phase input terminating resistor R15 of IC8
One end and the output end that IC8 is met by resistance R16, the output end of IC8 also connect the 2nd of IC7 the, 6 feet, and the 5th foot of IC7 connects capacitor
The first end of C12, the second end of capacitor C12, the second end of capacitor C9, the second end of the emitter of silicon triode T2, resistance R15
And the 1st foot of IC7 connects the output negative terminal of rectification circuit；
The watt level that semiconductor chilling plate circuit is controlled by the voltage change that the 3rd foot of IC7 exports, to reach control
The function of LED operation temperature；Semiconductor chilling plate circuit is 20W at the power of, semiconductor chilling plate by semiconductor chilling plate group,
Operating voltage is DC12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378336.6A CN109496011A (en) | 2015-02-15 | 2015-02-15 | A kind of LED circuit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082555.XA CN104812124B (en) | 2015-02-15 | 2015-02-15 | A kind of LED street lamp of multifunctional efficient electricity-saving rate long-life |
| CN201811378336.6A CN109496011A (en) | 2015-02-15 | 2015-02-15 | A kind of LED circuit |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510082555.XA Division CN104812124B (en) | 2015-02-15 | 2015-02-15 | A kind of LED street lamp of multifunctional efficient electricity-saving rate long-life |
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| Publication Number | Publication Date |
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| CN109496011A true CN109496011A (en) | 2019-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811378336.6A Pending CN109496011A (en) | 2015-02-15 | 2015-02-15 | A kind of LED circuit |
| CN201510082555.XA Active CN104812124B (en) | 2015-02-15 | 2015-02-15 | A kind of LED street lamp of multifunctional efficient electricity-saving rate long-life |
| CN201811379313.7A Pending CN109451626A (en) | 2015-02-15 | 2015-02-15 | A kind of LED circuit |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510082555.XA Active CN104812124B (en) | 2015-02-15 | 2015-02-15 | A kind of LED street lamp of multifunctional efficient electricity-saving rate long-life |
| CN201811379313.7A Pending CN109451626A (en) | 2015-02-15 | 2015-02-15 | A kind of LED circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105530729A (en) * | 2016-02-25 | 2016-04-27 | 黄焕珠 | Multifunctional light-operated LED streetlamp driver |
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Also Published As
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|---|---|
| CN104812124B (en) | 2019-01-25 |
| CN109451626A (en) | 2019-03-08 |
| CN104812124A (en) | 2015-07-29 |
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Application publication date: 20190319 |