CN107046760A - Controllable silicon turn on delay circuit and its turn on delay method - Google Patents
Controllable silicon turn on delay circuit and its turn on delay method Download PDFInfo
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- CN107046760A CN107046760A CN201710258154.4A CN201710258154A CN107046760A CN 107046760 A CN107046760 A CN 107046760A CN 201710258154 A CN201710258154 A CN 201710258154A CN 107046760 A CN107046760 A CN 107046760A
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- circuit
- pin
- bidirectional triode
- triode thyristor
- resistance
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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
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/04—Controlling
- H05B39/041—Controlling the light-intensity of the source
- H05B39/044—Controlling the light-intensity of the source continuously
-
- 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
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of controllable silicon turn on delay circuit, including power circuit, bidirectional triode thyristor circuit, MCU control circuit and the zero cross detection circuit for providing circuit voltage-stabilized power supply, the bidirectional triode thyristor circuit is connected by MCU control circuit with zero cross detection circuit.The conducting for being implemented in combination with thyristor operating angle that the present invention passes through controlled silicon conducting circuit and zero cross detection circuit, improve the stability of the angle of flow, avoid during intelligent dimming is carried out to incandescent lamp, the problem of lights keep flickering, prevent lights keep flickering from influenceing the eyes and sight of human body.
Description
Technical field
The present invention relates to dimmer switch, and in particular to a kind of controllable silicon turn on delay circuit and its conduction method.
Background technology
It is only Push And Release two states for incandescent lamp in traditional on-off control system, existing smart home system
Incandescent lamp light modulation in system has two kinds：One kind is the light modulation of knob inductance type, and another is controllable silicon light modulation.The first light modulation,
Short life, power consumption is big, and efficiency is low, and knob is easily bad, it is impossible to remote control.Second of light modulation, the angle of flow is unstable, and light is suddenly bright
Suddenly dark, as power increases, controlled silicon conducting electric current is big, causes power consumption big.
The content of the invention
It is an object of the invention to provide a kind of controllable silicon turn on delay circuit and its conduction method, solve existing two-way
The problem of angle of flow of ghyristor circuit is unstable.
To solve above-mentioned technical problem, the present invention uses following technical scheme：
A kind of controllable silicon turn on delay circuit, including for providing circuit the power circuit of voltage-stabilized power supply；For receiving MCU controls
The bidirectional triode thyristor circuit of the average current of incandescent lamp is flowed through in the dim signal of circuit processed, regulation；For MCU control circuit detection
The zero crossing of alternating current controls the zero cross detection circuit of bidirectional triode thyristor connecting and disconnecting of the circuit；Handed over for being detected by zero cross detection circuit
The zero crossing of stream electricity controls the turn on delay time of bidirectional triode thyristor circuit, and the MCU controls of the average current of incandescent lamp are flowed through in regulation
Circuit processed；Bidirectional triode thyristor circuit is connected by MCU control circuit with zero cross detection circuit.
Further scheme is that power circuit includes switch power module U5, the first capacitor C2, the second capacitor C3
And voltage stabilizing chip, the earth terminal of voltage stabilizing chip is connected by the tenth resistance R4 with Switching Power Supply U5 earth terminal, voltage stabilizing chip
Input is connected with Switching Power Supply U5 VCC ends, and the first capacitor C2 and the second capacitor C3 are connected in parallel on Switching Power Supply U5's
VCC ends and earth terminal, the output and ground of voltage stabilizing chip are also parallel with the 3rd capacitor C4 and the 4th capacitor C5.
Further scheme is, MCU control circuit includes single-chip microcomputer, and single-chip microcomputer is PIC16F690 single-chip microcomputers, it is two-way can
Control silicon circuit is connected with 11 pin or 13 pin of PIC16F690 single-chip microcomputers respectively, zero cross detection circuit and PIC16F690 single-chip microcomputers
17 pin are connected.
Further scheme is that bidirectional triode thyristor circuit includes the first rectifier U3, first resistor R5, second resistance
R7, the first bidirectional triode thyristor Q1, the first piezo-resistance Y1 and first fuse FR1, the first bidirectional triode thyristor Q1 No. 2 ends pass through
Second resistance R7 the first rectifiers of connection U3 No. 6 ends, the 4 of the first bidirectional triode thyristor Q1 No. 3 the first rectifier U3 of end connection
Number end, No. 1 of the first bidirectional triode thyristor end passes through first fuse FR1 connection zero lines, No. 2 end companies of the first bidirectional triode thyristor
No. 1 end and No. 2 ends for meeting incandescent lamp L1, the first bidirectional triode thyristor Q1 are in parallel with the first piezo-resistance Y1, and the 1 of the first rectifier U3
Number end is connected by first resistor R5 with 13 pin of PIC16F690 single-chip microcomputers.
Further scheme is that zero cross detection circuit includes TPL521-2 type photoelectrical couplers, No. 1 of photoelectrical coupler
Pin and No. 4 pin are by the 6th resistance R2 connection zero line sides, the 7th resistance that No. 2 pin and No. 3 pin of photoelectrical coupler pass through series connection
R1 and the 8th resistance R19 are connected with zero line side, and connection PIC16F690 is mono- simultaneously for No. 6 pin of photoelectrical coupler and No. 8 pin colelctor electrodes
The 9th resistance R3 that 17 pin of piece machine are connected with 3V power supplys, No. 5 pin and No. 7 human hair combing waste emitter groundings of photoelectrical coupler.
A kind of turn on delay method of controllable silicon turn on delay circuit, comprises the following steps：MCU control circuit detects friendship
The zero crossing of electricity is flowed, MCU control circuit carries out delays time to control, and MCU control circuit controls controllable silicon delay circuit after delay
Conducting.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention is improved by the conducting for being implemented in combination with thyristor operating angle of controlled silicon conducting circuit and zero cross detection circuit
The problem of stability of the angle of flow, it is to avoid during intelligent dimming is carried out to incandescent lamp, lights keep flickering, prevent light
The eyes and sight of flickering influence human body.
2nd, the present invention carries out zero-crossing examination by zero cross detection circuit, controlled silicon conducting electric current can be avoided excessive, energy
Enough lower power consumption, so as to reach the purpose of energy-conservation.
3rd, the present invention gradually changes light by the way of non-pole light regulating in dimming process, increases the life-span, can adjust
Section light light makes human eye feel more comfortable.
Brief description of the drawings
Fig. 1 is structured flowchart of the invention.
Fig. 2 is the circuit structure diagram of the power circuit of the present invention.
Fig. 3 is the structural representation of the bidirectional triode thyristor circuit of the present invention.
Fig. 4 is the electrical block diagram of the MCU control circuit of the present invention.
Fig. 5 is the electrical block diagram of the zero cross detection circuit of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1：
A kind of incandescent lamp light adjusting switch with controllable silicon turn on delay circuit, including for providing circuit the power supply of voltage-stabilized power supply
Circuit；The bidirectional triode thyristor circuit of the average current of incandescent lamp is flowed through in dim signal for receiving MCU control circuit, regulation；
The zero crossing for detecting alternating current for MCU control circuit controls the zero cross detection circuit of bidirectional triode thyristor connecting and disconnecting of the circuit；For leading to
The zero crossing for crossing zero cross detection circuit detection alternating current controls the turn on delay time of bidirectional triode thyristor circuit, and white heat is flowed through in regulation
The MCU control circuit of the average current of lamp；Bidirectional triode thyristor circuit is connected by MCU control circuit with zero cross detection circuit, such as
Shown in Fig. 1.
Embodiment 2：
Optimized on the basis of embodiment 1, power circuit includes switch power module U5, the first capacitor C2, the second electricity
Container C3 and voltage stabilizing chip, the earth terminal of voltage stabilizing chip are connected by the tenth resistance R4 with Switching Power Supply U5 earth terminal, voltage stabilizing
The input of chip is connected with Switching Power Supply U5 VCC ends, and the first capacitor C2 and the second capacitor C3 are connected in parallel on switch electricity
Source U5 VCC ends and earth terminal, the output and ground of voltage stabilizing chip are also parallel with the 3rd capacitor C4 and the 4th capacitor
C5, as shown in Figure 2.
220V alternating current is converted to low-voltage DC by the power circuit in the present embodiment, and low-voltage direct is supplied electricity on product
Other devices provide operating voltage；Its operation principle is that alternating current 220V is converted into 5V by switch power module U5, by
One the second capacitors of capacitor C2/ C3 is filtered, then by HT7333 voltage stabilizing chips output 3.3V, gives whole circuit board system
Power supply, as shown in Figure 3.
Embodiment 3：
Optimized on the basis of embodiment 2, MCU control circuit includes single-chip microcomputer, single-chip microcomputer is PIC16F690 single-chip microcomputers,
Bidirectional triode thyristor circuit is connected with 11 pin or 13 pin of PIC16F690 single-chip microcomputers respectively, and zero cross detection circuit and PIC16F690 are mono-
17 pin of piece machine are connected.
Embodiment 4：
Optimized on the basis of embodiment 3, bidirectional triode thyristor circuit includes the first rectifier U3, first resistor R5, second
Resistance R7, the first bidirectional triode thyristor Q1, the first piezo-resistance Y1 and first fuse FR1, the first bidirectional triode thyristor Q1 No. 2 ends
Pass through second resistance R7 the first rectifiers of connection U3 No. 6 ends, the first bidirectional triode thyristor Q1 No. 3 the first rectifier U3 of end connection
No. 4 ends, No. 1 of the first bidirectional triode thyristor end passes through first fuse FR1 connection zero lines, No. 2 of the first bidirectional triode thyristor
End connection incandescent lamp L1, the first bidirectional triode thyristor Q1 No. 1 end and No. 2 end, first rectifiers in parallel with the first piezo-resistance Y1
U3 No. 1 end is connected by first resistor R5 with 13 pin of PIC16F690 single-chip microcomputers, as shown in Figure 4.
In the present embodiment, MCU is detected after the zero crossing that zero cross detection circuit is detected, and chufa1 exports a high level
Pulse, turns on 4/6 pin of U3 optocouplers, so that Q1 controlled silicon conductings, L1 output alternating currents.Controllable silicon Q1 characteristic is zero passage
Point is closed, and MCU detects zero crossing, controls U3 conducting again after delay, makes controlled silicon conducting, delay time is longer, is flowed
The average current for crossing lamp is smaller, and lamp is darker；Otherwise lamp is brighter.
Embodiment 5：
Optimized on the basis of embodiment 4, zero cross detection circuit includes TPL521-2 type photoelectrical couplers, photoelectrical coupler
No. 1 pin and No. 4 pin by the 6th resistance R2 connection zero line sides, No. 2 pin and No. 3 pin of photoelectrical coupler pass through series connection the 7th
Resistance R1 and the 8th resistance R19 are connected with zero line side, and No. 6 pin and No. 8 pin colelctor electrodes of photoelectrical coupler are connected simultaneously
The 9th resistance R3 that 17 pin of PIC16F690 single-chip microcomputers are connected with 3V power supplys, No. 5 pin and No. 7 human hair combing waste emitter-base bandgap gradings of photoelectrical coupler
Ground connection, as shown in Figure 5.
Electric current when being in positive half-wave of zero cross detection circuit in the present embodiment passes through the 7th resistance R1 and the 8th resistance
R19, photoelectrical coupler 3, after No. 4 pins, make the 5 of photoelectrical coupler, turn between No. 6 pins, be connected with MCU control circuit
The SYN signal output low levels connect；Electric current passes through the 6th resistance R2 during negative half-wave, and 1, the 2 of photoelectrical coupler TLP521-2 draws
Pin, makes conducting, SYN signal output low levels between photoelectrical coupler TLP521-2 8,7 pins.
Embodiment 6：
A kind of turn on delay method of controllable silicon turn on delay circuit, comprises the following steps：MCU control circuit detects alternating current
Zero crossing, MCU control circuit carries out delays time to control, the MCU control circuit control controllable silicon delay circuit conducting after delay.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can in the range of disclosure, drawings and claims
A variety of variations and modifications are carried out with the building block to theme composite configuration and/or layout.Except to building block and/or layout
Outside the modification and improvement of progress, to those skilled in the art, other purposes also will be apparent.
Claims (6)
1. a kind of controllable silicon turn on delay circuit, it is characterised in that including：
Power circuit for providing circuit voltage-stabilized power supply；
The bidirectional triode thyristor circuit of the average current of incandescent lamp is flowed through in dim signal for receiving MCU control circuit, regulation；
The zero crossing for detecting alternating current for MCU control circuit controls the zero cross detection circuit of bidirectional triode thyristor connecting and disconnecting of the circuit；
For detecting that the zero crossing of alternating current controls the turn on delay time of bidirectional triode thyristor circuit by zero cross detection circuit, adjust
Throttled incandescent lamp average current MCU control circuit；
The bidirectional triode thyristor circuit is connected by MCU control circuit with zero cross detection circuit.
2. incandescent lamp intelligent dimming switch according to claim 1, it is characterised in that：The power circuit includes switch electricity
Source module U5, the first capacitor C2, the second capacitor C3 and voltage stabilizing chip, the earth terminal of the voltage stabilizing chip pass through the tenth resistance
R4 is connected with Switching Power Supply U5 earth terminal, and the input of the voltage stabilizing chip is connected with Switching Power Supply U5 VCC ends, and described
One capacitor C2 and the second capacitor C3 are connected in parallel on Switching Power Supply U5 VCC ends and earth terminal, the output of the voltage stabilizing chip
End and earth terminal are also parallel with the 3rd capacitor C4 and the 4th capacitor C5.
3. the incandescent lamp light adjusting switch according to claim 1 with controllable silicon turn on delay circuit, it is characterised in that：It is described
MCU control circuit include single-chip microcomputer, the single-chip microcomputer be PIC16F690 single-chip microcomputers, the bidirectional triode thyristor circuit respectively with
11 pin or 13 pin of PIC16F690 single-chip microcomputers are connected, and the zero cross detection circuit is connected with 17 pin of PIC16F690 single-chip microcomputers.
4. the incandescent lamp light adjusting switch according to claim 3 with controllable silicon turn on delay circuit, it is characterised in that：It is described
Bidirectional triode thyristor circuit includes the first rectifier U3, first resistor R5, second resistance R7, the first bidirectional triode thyristor Q1, the first pressure
Quick resistance Y1 and first fuse FR1, the first bidirectional triode thyristor Q1 No. 2 ends pass through second resistance R7 the first rectifications of connection
No. 6 of device U3 ends, No. 3 the first rectifier U3 of end connection of the first bidirectional triode thyristor Q1 No. 4 ends, described first it is two-way can
No. 1 end of silicon is controlled by first fuse FR1 connection zero lines, No. 2 ends of first bidirectional triode thyristor connect incandescent lamp L1,
No. 1 end of the first bidirectional triode thyristor Q1 and No. 2 ends are in parallel with the first piezo-resistance Y1, No. 1 of the first rectifier U3
End is connected by first resistor R5 with 13 pin of PIC16F690 single-chip microcomputers.
5. the incandescent lamp light adjusting switch according to claim 3 with controllable silicon turn on delay circuit, it is characterised in that：It is described
Zero cross detection circuit includes TPL521-2 type photoelectrical couplers, and No. 1 pin and No. 4 pin of the photoelectrical coupler pass through the 6th resistance
R2 connection zero line sides, No. 2 pin and No. 3 pin of the photoelectrical coupler by the 7th resistance R1 of series connection and the 8th resistance R19 with
Zero line side is connected, No. 6 pin of the photoelectrical coupler and No. 8 pin colelctor electrodes connect simultaneously 17 pin of PIC16F690 single-chip microcomputers with
9th resistance R3 of 3v power supplys connection, No. 5 pin and No. 7 human hair combing waste emitter groundings of the photoelectrical coupler.
6. a kind of turn on delay method of controllable silicon turn on delay circuit, it is characterised in that：Comprise the following steps：MCU control electricity
Road detects the zero crossing of alternating current, and MCU control circuit carries out delays time to control, and MCU control circuit control is controllable after delay
Silicon delay circuit is turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710258154.4A CN107046760A (en) | 2017-04-19 | 2017-04-19 | Controllable silicon turn on delay circuit and its turn on delay method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710258154.4A CN107046760A (en) | 2017-04-19 | 2017-04-19 | Controllable silicon turn on delay circuit and its turn on delay method |
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| CN107046760A true CN107046760A (en) | 2017-08-15 |
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| CN201710258154.4A Pending CN107046760A (en) | 2017-04-19 | 2017-04-19 | Controllable silicon turn on delay circuit and its turn on delay method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110113037A (en) * | 2019-05-27 | 2019-08-09 | 深圳和而泰小家电智能科技有限公司 | Super-zero control circuit and electronic equipment |
| CN110657275A (en) * | 2019-09-29 | 2020-01-07 | 焦作大学 | Electromagnetic valve control system and control method for water hammer prevention |
| CN111405715A (en) * | 2020-04-03 | 2020-07-10 | 宁波科尔维特照明有限公司 | Silicon controlled rectifier dimming system and dimming method thereof |
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| CN104244534A (en) * | 2014-09-29 | 2014-12-24 | 樊娜 | Phase dimming method applied to alternating-current lighting system |
| CN105848389A (en) * | 2016-05-20 | 2016-08-10 | 哈尔滨电工仪表研究所 | Networkable front phase cut dimming touch switch |
| CN106061053A (en) * | 2016-05-19 | 2016-10-26 | 哈尔滨工程大学 | Underwater robot illumination control system |
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2017
- 2017-04-19 CN CN201710258154.4A patent/CN107046760A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104244534A (en) * | 2014-09-29 | 2014-12-24 | 樊娜 | Phase dimming method applied to alternating-current lighting system |
| CN106061053A (en) * | 2016-05-19 | 2016-10-26 | 哈尔滨工程大学 | Underwater robot illumination control system |
| CN105848389A (en) * | 2016-05-20 | 2016-08-10 | 哈尔滨电工仪表研究所 | Networkable front phase cut dimming touch switch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110113037A (en) * | 2019-05-27 | 2019-08-09 | 深圳和而泰小家电智能科技有限公司 | Super-zero control circuit and electronic equipment |
| CN110657275A (en) * | 2019-09-29 | 2020-01-07 | 焦作大学 | Electromagnetic valve control system and control method for water hammer prevention |
| CN111405715A (en) * | 2020-04-03 | 2020-07-10 | 宁波科尔维特照明有限公司 | Silicon controlled rectifier dimming system and dimming method thereof |
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Application publication date: 20170815 |