CN106322690A - Intelligent control system based on constant-current drive circuit - Google Patents
Intelligent control system based on constant-current drive circuit Download PDFInfo
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- CN106322690A CN106322690A CN201610890167.9A CN201610890167A CN106322690A CN 106322690 A CN106322690 A CN 106322690A CN 201610890167 A CN201610890167 A CN 201610890167A CN 106322690 A CN106322690 A CN 106322690A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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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
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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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- 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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Electronic Switches (AREA)
Abstract
The invention discloses an intelligent control system based on a constant-current drive circuit. The system is mainly composed of a time-based integrated chip U3, a diode rectifier U1, a triode VT2, the constant-current drive circuit, a three-end voltage stabilizing circuit, a magnetic control circuit connected with the time-based integrated chip U3 and a collector electrode of the triode VT2, a double-control circuit connected with the input end A of the diode rectifier U1 and the like. According to the system, a magnetic switch CK and a peripheral circuit are combined to control opening and closing of a lighting lamp LM and an air exchange fan MAC; according to the system, the input voltage can be stabilized, the input voltage is more stable, stability of the system is well improved, and therefore it is ensured that the system can well control the lighting lamp LM and the air exchange fan MAC to be automatically opened and closed.
Description
Technical field
The present invention relates to a kind of energy-saving control system, particularly relate to a kind of Based Intelligent Control based on constant-current drive circuit
System.
Background technology
Along with improving constantly of people's living standard, the requirement to living environment is more and more higher, and people are in order to make health
Between air quality more preferable, just use ventilation fan to improve the air quality of toilet, illuminating lamp can be passed through at night simultaneously
Improve the brightness in toilet.Two independent mechanical switchs of the many employings of people come respectively to ventilation fan and illuminating lamp at present
Open and close be controlled, and need people to pass through twice manual operation in use just to complete illuminating lamp and ventilation
Being turned on and off of fan.But, people the most often forget to turn on ventilation fan after opening illuminating lamp, make toilet
Abnormal flavour in air can not be discharged timely, thus can not well improve the air quality of toilet, and serious have impact on
People's is healthy.
Summary of the invention
It is an object of the invention to overcome the illuminating lamp of the toilet of prior art and the many employings of ventilation fan two independent
Open and close to ventilation fan and illuminating lamp respectively are controlled by mechanical switch, and need people to pass through two in use
Secondary manual operation just can complete the defect being turned on and off illuminating lamp and ventilation fan, it is provided that one can be to illuminating lamp and ventilation
Fan carries out the control system opened and closed automatically.
The present invention is achieved through the following technical solutions: a kind of intelligence control system based on constant-current drive circuit, mainly
By time basis set become chip U3, diode rectifier U1, audion VT2, positive pole is connected with the B input of diode rectifier U1
Connect, the A input of negative pole and diode rectifier U1 is collectively forming the polar capacitor C6 of input of control system, one end and pole
Property electric capacity C6 the resistance R9 that positive pole is connected, the other end is connected with the negative pole of polar capacitor C6, positive pole with time basis set Cheng Xin
The polar capacitor C2 that the THOLD pin of sheet U3 is connected, negative pole base stage with audion VT2 after resistance R4 is connected, one end
Be connected with the emitter stage of audion VT2, the other end with time the basis set adjustable resistance that becomes the CVOLT pin of chip U2 to be connected
R5, one end with time basis set become the electricity that the CVOLT pin of chip U2 is connected, the other end is connected with the colelctor electrode of audion VT2
Resistance R6, positive pole is connected with the colelctor electrode of field audion VT2, negative pole sequentially after relay K and resistance R7 with time basis set Cheng Xin
Polar capacitor C4, the N pole that the OUT pin of sheet U2 is connected is connected with the junction point of relay K with resistance R7, P pole and polarity
The diode D3 that the negative pole of electric capacity C4 is connected, respectively with time basis set become the VCC pin of chip U3 and diode rectifier U1
The three-terminal voltage-stabilizing circuit that cathode output end and cathode output end are connected, respectively with time basis set become chip U3 and audion VT2
The magnetic control circuit that is connected of colelctor electrode, the dual control circuit being connected with the A input of diode rectifier U1, and and dual control
The constant-current drive circuit composition that circuit is connected.
Time described, basis set becomes the THOLD pin of chip U2 to be connected with DISCHG pin and VCC pin respectively；Base time described
The RESET pin of integrated chip U2 is connected with VCC pin, its GND pin ground connection；Described magnetic control circuit respectively with time basis set become
The THOLD pin of chip U2 is connected with DIS pin and VCC pin；Wherein the one of the normally opened contact K-2 of described relay K
End is connected with the negative pole of polar capacitor C6, the other end is collectively forming control system with the A input of diode rectifier U1
First outfan；Wherein one end of the normally opened contact K-1 of described relay K is connected with the negative pole of polar capacitor C6, its another
The outfan of end and constant-current drive circuit is collectively forming the second outfan of control system.
Described constant-current drive circuit by driving chip U4, field effect transistor MOS2, audion VT3, positive pole after resistance R13 with
The VD pin of driving chip U4 is connected, negative pole is as the polar capacitor C9 of the input of constant-current drive circuit, one end and polarity
The negative pole of electric capacity C9 is connected, the resistance R12 of other end ground connection, and positive pole is connected with the FB pin of driving chip U4, negative pole warp
Polar capacitor C10, the N pole being connected with the drain electrode of field effect transistor MOS2 after resistance R15 after resistance R14 with driving chip U4's
The SOURCE of the diode D5 that FB pin is connected, P pole is connected with the negative pole of polar capacitor C10, positive pole and driving chip U4
Polar capacitor C11, the P pole that pin is connected, negative pole is connected with the grid of field effect transistor MOS2 and the DRAIN of driving chip U4
The source electrode phase of diode D6, the P pole that pin is connected, N pole is connected with the source electrode of field effect transistor MOS2 and field effect transistor MOS2
Connect, Zener diode D7 that N pole emitter stage with audion VT3 after resistance R17 is connected, positive pole and field effect transistor MOS2
The polar capacitor C12 that drain electrode is connected, negative pole is connected with the base stage of audion VT3, the leakage of one end and field effect transistor MOS2
The resistance R16 of ground connection after pole is connected, the other end is connected with the colelctor electrode of audion VT3, and one end and field effect transistor
The inductance L2 composition that the source electrode of MOS2 is connected, the other end is connected with the N pole of Zener diode D6；Described driving chip U4's
GND pin ground connection；The drain electrode of described field effect transistor MOS2 is also connected with the SOURCE pin of driving chip U4；Described voltage stabilizing two
The N pole of pole pipe D7 is as the outfan of constant-current drive circuit.
Described three-terminal voltage-stabilizing circuit is by voltage stabilizing chip U3, and negative pole is connected with the GND pin of voltage stabilizing chip U2, positive pole is through electricity
The polar capacitor C5 that is connected with the VDD pin of voltage stabilizing chip U2 after resistance R8, and the OUT pin phase of N pole and voltage stabilizing chip U2
The Zener diode D2 composition that connection, P pole are connected with the negative pole of polar capacitor C5；The N pole of described Zener diode D2 and time
Basis set becomes the VCC pin of chip U3 to be connected；The negative pole of described polar capacitor C5 and the cathode output end of diode rectifier U1
Ground connection after being connected；The described VDD pin of voltage stabilizing chip U2 is connected with the cathode output end of diode rectifier U1.
Described magnetic control circuit is by the grid of magnetic switch CK, field effect transistor MOS1, audion VT1, one end and field effect transistor MOS1
Resistance R1, the P pole that pole is connected, the other end is connected with wherein one end of magnetic switch CK is connected with the emitter stage of audion VT1
Connect, diode D1 that N pole is connected with the source electrode of field effect transistor MOS1 after resistance R2, the base stage phase of positive pole and audion VT1
Connect, negative pole with time basis set become the current collection of the polar capacitor C1 that the DISCHG pin of chip U2 is connected, one end and audion VT1
The inductance L1 that pole is connected, the other end is connected with the negative pole of polar capacitor C1, and positive pole is extremely connected with the N of diode D1
Connect, polar capacitor C3 that negative pole is connected with the drain electrode of field effect transistor MOS1 after resistance R3 composition；Described magnetic switch CK's is another
One end is connected with the colelctor electrode of audion VT1；The N pole of described diode D1 with time basis set become the TRIG pin of chip U2 to be connected
Connect；The drain electrode of described field effect transistor MOS1 be connected with the colelctor electrode of audion VT2 after ground connection.
Described dual control circuit is connected with the control end of bidirectional thyristor V by bidirectional thyristor V, N pole, P pole is through photosensitive electricity
The diode D4 being connected with the A input of diode rectifier U1 after resistance RG, positive pole is connected with the P pole of diode D4, bears
The polar capacitor C8 that pole is connected with the first anode of bidirectional thyristor V, and negative pole after adjustable resistance R11 with diode D4
The polar capacitor C7 composition that P pole is connected, positive pole second plate with bidirectional thyristor V after resistance R10 is connected；Described
The positive pole of polar capacitor C7 is connected with the negative pole of polar capacitor C9；The negative pole of described polar capacitor C8 also with diode rectifier
The A input of U1 is connected.
For guaranteeing the practical effect of the present invention, described magnetic switch CK is by open type tongue tube AG and alnico magnets
The magnetic switch of ZT composition, wherein one end of described open type tongue tube AG and grid phase with field effect transistor MOS1 after resistance R1
Connect, the other end is connected with the colelctor electrode of audion VT1；Described voltage stabilizing chip U2 is the integrated chip of W7800；Basis set time described
Becoming chip U3 is the integrated chip of NE555；Described driving chip U4 is the integrated chip of TSM103.
The present invention compared with prior art has the following advantages and beneficial effect:
(1) present invention can by magnetic switch CK combine with peripheral circuit the unlatching to illuminating lamp LM and ventilation fan MAC with
Closedown is controlled, and the present invention can carry out voltage stabilizing process to input voltage, and the voltage making input is more stable, well improves
The stability of the present invention, ensures that the present invention can well control illuminating lamp LM and ventilation fan MAC and automatically turn on
With closedown, can well improve the air quality of toilet, serious have impact on the healthy of people.
(2) electric current of dual control circuit output end can be adjusted by the present invention, makes driving electric current and the illuminating lamp of output
The reference current of LM keeps consistent, thus improves the stability of output voltage of the present invention, can effectively guarantee illuminating lamp LM's
Brightness is more stable.
(3) the time basis set of the present invention becomes chip U3 preferentially to have employed the integrated chip of NE555 to realize, this chip and periphery electricity
Road combines, and can effectively improve the control effect that illuminating lamp LM and ventilation fan MAC is automatically turned on and closes by the present invention.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the electrical block diagram of the constant-current drive circuit of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As it is shown in figure 1, a kind of based on constant-current drive circuit the intelligence control system of the present invention, mainly by time basis set Cheng Xin
Sheet U3, diode rectifier U1, audion VT2, resistance R4, adjustable resistance R5, resistance R6, resistance R7, resistance R9, polar capacitor
C2, polar capacitor C4, polar capacitor C6, diode D3, relay K.Voltage stabilizing chip U3, resistance R8, polar capacitor C5, constant current is driven
Galvanic electricity road, Zener diode D2, magnetic control circuit, three-terminal voltage-stabilizing circuit, and dual control circuit composition.
For the practical effect of the present invention, described described time basis set become chip U3 the most preferentially to have employed NE555 collection
Chip is become to realize；Diode rectifier U1 is the diode rectifier that 4 1N4001 diodes are formed；Audion VT2 is
3DG06 audion, the resistance of resistance R4 is 10k Ω, and the resistance range of accommodation of adjustable resistance R5 is 1～15k Ω, the resistance of resistance R6
Value is 20k Ω, and the resistance of resistance R7 is 15k Ω, and the resistance of resistance R9 is 100k Ω；The capacitance of polar capacitor C2 is 100 μ F, pole
The capacitance of property electric capacity C4 is 4.7 μ F, the capacitance 2.2 μ F of polar capacitor C6；Diode D3 is 1N4006 diode；Relay K is
JQX-15F type 24V/30A relay.
During connection, the positive pole of polar capacitor C6 is connected with the B input of diode rectifier U1, and negative pole is whole with diode
The A input of stream device U1 is collectively forming the input of control system and is connected with civil power.Resistance R9 one end is with polar capacitor C6's
Positive pole is connected, and the other end is connected with the negative pole of polar capacitor C6.The positive pole of polar capacitor C2 with time basis set become chip U3's
THOLD pin is connected, and negative pole base stage with audion VT2 after resistance R4 is connected.One end of adjustable resistance R5 and three poles
The emitter stage of pipe VT2 is connected, the other end with time basis set become the CVOLT pin of chip U2 to be connected.
Meanwhile, one end of resistance R6 with time basis set become the CVOLT pin of chip U2 to be connected, the other end and audion VT2
Colelctor electrode be connected.The positive pole of polar capacitor C4 is connected with the colelctor electrode of field audion VT2, and negative pole is sequentially through relay K
With after resistance R7 with time basis set become the OUT pin of chip U2 to be connected.The N pole of diode D3 and relay K and the company of resistance R7
Contact is connected, and P pole is connected with the negative pole of polar capacitor C4.Three-terminal voltage-stabilizing circuit respectively with time basis set become the VCC of chip U3
Pin is connected with cathode output end and the cathode output end of diode rectifier U1.Magnetic control circuit respectively with time basis set Cheng Xin
Sheet U3 is connected with the colelctor electrode of audion VT2.Dual control circuit is connected with the A input of diode rectifier U1.Constant current is driven
Galvanic electricity road is connected with dual control circuit.
Time described, basis set becomes the THOLD pin of chip U2 to be connected with DISCHG pin and VCC pin respectively；Base time described
The RESET pin of integrated chip U2 is connected with VCC pin, its GND pin ground connection；Described magnetic control circuit respectively with time basis set become
The THOLD pin of chip U2 is connected with DIS pin and VCC pin；Wherein the one of the normally opened contact K-2 of described relay K
End is connected with the negative pole of polar capacitor C6, the other end is collectively forming control system with the A input of diode rectifier U1
First outfan is also connected with ventilation fan MAC；Wherein one end of the normally opened contact K-1 of described relay K and polar capacitor C6
Negative pole be connected, the outfan of its other end and constant-current drive circuit be collectively forming control system the second outfan and with photograph
Bright lamp LM is connected.
Wherein, time described, basis set becomes chip U3, audion VT2, resistance R4, adjustable resistance R5, resistance R6, resistance R7, pole
Property electric capacity C2, polar capacitor C4, diode D3 and relay K define monostable time delay circuit.This monostable time delay circuit energy
By time basis set become the conversion of low and high level that chip U3 exports to come Guan Bi and the disconnection of relay K in control circuit, thus
Voltage output to dual control circuit is controlled.Meanwhile, diode rectifier U1, resistance R9 and polar capacitor C6 form rectification filter
Wave circuit, this current rectifying and wave filtering circuit diode rectifier U1 and resistance R9 and polar capacitor C6 defines current rectifying and wave filtering circuit,
During the civil power inputted, diode rectifier U1 carries out rectification to the civil power of input makes civil power be converted to DC voltage, polar capacitor
C6 and resistance R9 then carries out blood pressure lowering current limliting to this DC voltage and obtains the DC voltage of 12V, and this voltage is as the work of control system
Make voltage.
Further, described three-terminal voltage-stabilizing circuit is by voltage stabilizing chip U2, Zener diode D2, resistance R8, and polarity
Electric capacity C5 forms.
During connection, the negative pole of polar capacitor C5 is connected with the GND pin of voltage stabilizing chip U2, positive pole after resistance R8 with steady
The VDD pin of pressure chip U2 is connected.The N pole of Zener diode D2 is connected with the OUT pin of voltage stabilizing chip U2, P pole and pole
The negative pole of property electric capacity C5 is connected.The N pole of described Zener diode D2 with time basis set become the VCC pin of chip U3 to be connected；Institute
The cathode output end of the negative pole and diode rectifier U1 of stating polar capacitor C5 be connected after ground connection；Described voltage stabilizing chip U2's
VDD pin is connected with the cathode output end of diode rectifier U1.Current rectifying and wave filtering circuit is exported by this three-terminal voltage-stabilizing circuit
12V DC voltage is the direct-current working volts of rear portion circuit with stable after carrying out voltage stabilizing and current stabilization.
In order to ensure the practical effect of the present invention, described voltage stabilizing chip U2 the most preferentially have employed the integrated chip of W7800
Realize；Meanwhile, the resistance of resistance R8 is 400k Ω, and the capacitance of polar capacitor C5 is 100 μ F；Zener diode D2 is then
1N4011 diode.
Further, described magnetic control circuit is by magnetic switch CK, field effect transistor MOS1, audion VT1, resistance R1, resistance
R2, resistance R3, polar capacitor C1, polar capacitor C3, inductance L1, and diode D1 form.
During connection, one end of resistance R1 is connected with the grid of field effect transistor MOS1, and the other end is with magnetic switch CK wherein
One end is connected.The P pole of diode D1 is connected with the emitter stage of audion VT1, N pole after resistance R2 with field effect transistor MOS1
Source electrode be connected.The positive pole of polar capacitor C1 is connected with the base stage of audion VT1, negative pole with time basis set become chip U2's
DISCHG pin is connected.One end of inductance L1 is connected with the colelctor electrode of audion VT1, and the other end is negative with polar capacitor C1's
Pole is connected.The positive pole of polar capacitor C3 is connected with the N pole of diode D1, negative pole after resistance R3 with field effect transistor MOS1
Drain electrode is connected.
The other end of described magnetic switch CK is connected with the colelctor electrode of audion VT1；The N pole of described diode D1 with time base
The TRIG pin of integrated chip U2 is connected；After the drain electrode of described field effect transistor MOS1 is connected with the colelctor electrode of audion VT2
Ground connection.
Wherein, the magnetic switch CK of this circuit is that the magnetic switch being made up of open type tongue tube AG and alnico magnets ZT comes in fact
Existing, wherein one end of described open type tongue tube AG stimulate the menstrual flow electrically connect with the grid of field effect transistor MOS1 after resistance R1, the other end
Electrically connect with the colelctor electrode of audion VT1；Alnico magnets ZT is then arranged on the door-plate edge of toilet, the dry spring of open type
Pipe AG is then arranged on the doorframe corresponding with alnico magnets ZT.During enforcement, when the door of toilet is for opening, magnetic switch CK
The distance of permanent magnet ZT and open type tongue tube AG become remote, open type tongue tube AG is not made by the magnetic force of alnico magnets ZT
With, the third contact in open type tongue tube AG is off-state, magnetic control circuit not output voltage；After door is closed, magnetic switch CK
The distance of permanent magnet ZT and open type tongue tube AG become near, open type tongue tube AG is at the magneticaction of alnico magnets ZT
Under, the third contact Guan Bi in open type tongue tube AG, make magnetic control circuit output voltage.
In order to ensure the practical effect of the present invention, described in be field effect transistor MOS1 be IRFP260 field effect transistor, three poles
Pipe VT1 is 3DG130 audion, and resistance R1 is 18.5k Ω, and the resistance of resistance R2 is 12k Ω, and the resistance of resistance R3 is 2k Ω；Pole
The capacitance of property electric capacity C1 is 0.47 μ F, and the capacitance of polar capacitor C3 is 10 μ F；Inductance L1 is 100 μ P core inductance；Diode D1
For 1N4008 diode.
Yet further, described dual control circuit is by bidirectional thyristor V, resistance R10, adjustable resistance R11, photoconductive resistance
RG, polar capacitor C7, polar capacitor C8, and diode D4 form.
During connection, the N pole of diode D4 is connected with the control end of bidirectional thyristor V, P pole after photoconductive resistance RG with two
The A input of pole pipe commutator U1 is connected.The positive pole of polar capacitor C8 is connected with the P pole of diode D4, and negative pole is with two-way
The first anode of IGCT V is connected.The negative pole of polar capacitor C7 P pole with diode D4 after adjustable resistance R11 is connected,
Positive pole second plate with bidirectional thyristor V after resistance R10 is connected.
The positive pole of described polar capacitor C7 is connected with the negative pole of polar capacitor C9 and is connected with illuminating lamp LM；Described pole
The negative pole of property electric capacity C8 is also connected with the A input of diode rectifier U1.This dual control circuit is for opening illuminating lamp LM
Open and be controlled with closedown.
For the practical effect of the present invention, it is two-way that described bidirectional thyristor V the most preferentially have employed BTB06TO-220
IGCT realizes, and the resistance of resistance R10 is 51 Ω, and the range of accommodation of the resistance of adjustable resistance R11 is 1～10k Ω, photosensitive electricity
Resistance RG is CdS photoconductive resistance, and polar capacitor C7 capacitance is 47 μ F/16V, and polar capacitor C8 is 100 μ for its capacitance of shift capacitor
F/50V；Diode D4 is the switching diode of 1N4002.
As in figure 2 it is shown, described constant-current drive circuit is by driving chip U4, field effect transistor MOS2, audion VT3, resistance
R12, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, polar capacitor C9, polar capacitor C10, polar capacitor
C11, polar capacitor C12, diode D5, diode D6, Zener diode D7, and inductance L2 form.
During connection, the positive pole of polar capacitor C9 VD pin with driving chip U4 after resistance R13 is connected, negative pole conduct
The input of constant-current drive circuit.One end of resistance R12 is connected with the negative pole of polar capacitor C9, other end ground connection.Polarity electricity
The positive pole holding C10 is connected with the FB pin of driving chip U4, and negative pole drain electrode with field effect transistor MOS2 after resistance R15 is connected
Connect.
Wherein, the N pole of diode D5 FB pin with driving chip U4 after resistance R14 is connected, P pole and polar capacitor
The negative pole of C10 is connected.The positive pole of polar capacitor C11 is connected with the SOURCE pin of driving chip U4, negative pole and field effect
The grid of pipe MOS2 is connected.The P pole of diode D6 is connected with the DRAIN pin of driving chip U4, N pole and field effect transistor
The source electrode of MOS2 is connected.The P pole of Zener diode D7 is connected with the source electrode of field effect transistor MOS2, N pole after resistance R17 with
The emitter stage of audion VT3 is connected.
Meanwhile, the positive pole of polar capacitor C12 is connected with the drain electrode of field effect transistor MOS2, negative pole and the base of audion VT3
Pole is connected.One end of resistance R16 is connected with the drain electrode of field effect transistor MOS2, the colelctor electrode phase of the other end and audion VT3
Ground connection after connection.One end of inductance L2 is connected with the source electrode of field effect transistor MOS2, the N pole phase of the other end and Zener diode D6
Connect.
The GND pin ground connection of described driving chip U4；The drain electrode of described field effect transistor MOS2 is also with driving chip U4's
SOURCE pin is connected；The N pole of described Zener diode D7 as constant-current drive circuit outfan and with illuminating lamp LM phase
Connect.
In order to ensure the implementation result of the present invention, described driving chip U4 the most preferentially have employed the integrated chip of TSM103
Realize；Meanwhile, audion VT3 have employed 3DG21C audion；The resistance of resistance R12 is 51K Ω, and the resistance of resistance R13 is 4K
Ω, the resistance of resistance R14 and resistance R16 is 200K Ω, and the resistance of resistance R15 is 10K Ω, and the resistance of resistance R17 is 2K Ω；
The capacitance of polar capacitor C9 is 0.47 μ F/25V, and the capacitance of polar capacitor C10 is 0.22 μ F/50V, polar capacitor C11 and polarity
The capacitance of electric capacity C12 is 110 μ F/25V；Diode D5 and diode D6 is 1N4014 diode, and Zener diode D is
1N5410 Zener diode.
During work, when there being people to enter toilet, after door is closed, the permanent magnet ZT of magnetic switch CK and open type tongue tube AG
Distance become near, the open type tongue tube AG the third contact under the magneticaction of alnico magnets ZT, in open type tongue tube AG
Guan Bi, now field effect transistor MOS1 obtains bias current and turns on.After the conducting of field effect transistor MOS1, audion VT1 must conduct, when making
Basis set becomes the TRIG pin of chip U2 to become low level, time basis set become chip U2 to be in triggering set, this constantly basis set become chip
The OUT pin of U2 is high level by original low transition, relay K excitation adhesive.After relay K adhesive, it is normally opened tactile
Point K-1
Guan Bi, ventilation fan MAC be energized work, beginning aerofluxus.Meanwhile, another group normally opened contact K-2 of relay K is also
Guan Bi, illuminating lamp LM energising is lighted, and i.e. can be adjusted the brightness of illuminating lamp LM by the resistance of regulation adjustable resistance R11.
When people leave bathroom door be unlocked time, the hypertelorism of the permanent magnet ZT and normally closed dry reed pipe AG of magnetic switch CK, due to
In AG, the third contact is not by the magneticaction of ZT, and in causing AG, the third contact disconnects, and audion VT1 ends without bias current, now, monostable
The time basis set of state delay circuit becomes the TRIG pin of chip U2 to be high level, thus time basis set become chip U2 to be in reset state, time
Basis set becomes the OUT pin output low level of chip U2, and polar capacitor C4 starts electric discharge, makes the voltage in relay K can keep one
The section time, ventilation fan MAC and illuminating lamp LM remains in that duty；After the electric discharge of polar capacitor C4 terminates, relay K is without electricity
Stream passes through, and its normally opened contact K-1 and normally opened contact K-2 all disconnects, and dual control circuit must not be electric, and dual control circuit does not works, ventilation fan
MAC and the equal dead electricity of illuminating lamp LM, i.e. ventilation fan MAC and illuminating lamp LM are all closed.The ventilation fan MAC and illuminating lamp LM of the present invention
The time of delay working is to be determined by the capacitance of polar capacitor C4, and the capacitance of the polar capacitor C4 that the present invention uses can make to change
Gas fan MAC and illuminating lamp LM delay working 10 minutes；The delay working of the present invention then automatically restores to original state after terminating.
Wherein, in order to effectively prevent the brightness of illuminating lamp LM from the situation of flicker occur, the present invention is polar capacitor C7's
Be provided with constant-current drive circuit on positive pole, this constant-current drive circuit export electric current too low time, driving chip U4 obtain one low
Electric current, the end that in driving chip U4, amplifier is anti-phase is exported by SOURCE pin after being then amplified input voltage reduction
Electric current uprises, and the electric current of polar capacitor C11 improves, and then makes the electric current of the FB pin of driving chip U4 reduce, by FB pin
Control action, the drain current peak value of external field effect transistor MOS2 increases, and the electric current at the two ends of polar capacitor C12 is also simultaneously
Accordingly increase, make audion VT3 turn on, after Zener diode D7 carries out voltage stabilizing and current stabilization, provide stable for illuminating lamp LM
Drive electric current, and then ensure that the stablizing effect of the brightness of illuminating lamp LM is more preferable.Otherwise, when output electric current increase time, then by
In the control action of the FB pin of driving chip U4, the drain electrode of external field effect transistor MOS2
Current peak reduces, and this circuit just can provide stable driving electric current for illuminating lamp LM.
If when having people to enter toilet and its interior brightness is the brightest, owing to there being stronger light to be radiated at photosensitive electricity
On resistance RG, make the internal resistance of photoconductive resistance RG diminish, the undertension at polar capacitor C8 two ends so that switching diode D4 conducting, this
Time bidirectional thyristor V block without trigger current, illuminating lamp LM will not light.Night is radiated at photoconductive resistance owing to not having sunlight
On RG, thus the internal resistance of photoconductive resistance RG becomes very big, phase
When in open circuit, now diode D4 conducting, bidirectional thyristor V turns on, and illuminating lamp H lights.
The present invention is entered by the magnetic switch CK open and close to illuminating lamp LM and ventilation fan MAC that combine with peripheral circuit
Row controls, and the present invention carries out voltage stabilizing process to input voltage, and the voltage making input is more stable, well improves the present invention
Stability, ensure that the present invention can well control illuminating lamp LM and ventilation fan MAC and automatically turn on and close, energy
Well improving the air quality of toilet, serious have impact on the healthy of people.The time basis set of the present invention becomes chip U3
Preferentially have employed the integrated chip of NE555 to realize, this chip combines with peripheral circuit, can effectively improve the present invention to illumination
The control effect automatically turning on and closing of lamp LM and ventilation fan MAC.
As it has been described above, the present invention just can well be realized.
Claims (7)
1. an intelligence control system based on constant-current drive circuit, it is characterised in that: mainly by time basis set become chip U3, two poles
Pipe commutator U1, audion VT2, positive pole is connected with the B input of diode rectifier U1, negative pole and diode rectifier U1
A input be collectively forming the polar capacitor C6 of input of control system, one end is connected with the positive pole of polar capacitor C6, separately
The resistance R9 that one end is connected with the negative pole of polar capacitor C6, positive pole with time basis set become the THOLD pin of chip U3 to be connected, negative
The polar capacitor C2 that pole base stage with audion VT2 after resistance R4 is connected, one end is connected with the emitter stage of audion VT2
Connect, the other end with time the basis set adjustable resistance R5 that becomes the CVOLT pin of chip U2 to be connected, one end with time basis set become chip U2's
The collection of the resistance R6 that CVOLT pin is connected, the other end is connected with the colelctor electrode of audion VT2, positive pole and field audion VT2
Electrode is connected, negative pole sequentially through relay K after resistance R7 with time basis set become the polarity electricity that the OUT pin of chip U2 is connected
Hold the diode that C4, N pole is connected, P pole is connected with the negative pole of polar capacitor C4 with the junction point of relay K with resistance R7
D3, respectively with time basis set become the VCC pin of chip U3 and the cathode output end of diode rectifier U1 and cathode output end phase
The three-terminal voltage-stabilizing circuit connected, respectively with time basis set become the magnetic control circuit that the colelctor electrode of chip U3 and audion VT2 is connected, with
The dual control circuit that the A input of diode rectifier U1 is connected, and the constant-current drive circuit group being connected with dual control circuit
Become；Time described, basis set becomes the THOLD pin of chip U2 to be connected with DISCHG pin and VCC pin respectively；Time described, basis set becomes
The RESET pin of chip U2 is connected with VCC pin, its GND pin ground connection；Described magnetic control circuit respectively with time basis set become chip
The THOLD pin of U2 is connected with DIS pin and VCC pin；Wherein one end of the normally opened contact K-2 of described relay K with
The negative pole of polar capacitor C6 is connected, the other end is collectively forming the first of control system with the A input of diode rectifier U1
Outfan；Wherein one end of the normally opened contact K-1 of described relay K is connected with the negative pole of polar capacitor C6, its other end with
The outfan of constant-current drive circuit is collectively forming the second outfan of control system.
A kind of intelligence control system based on constant-current drive circuit the most according to claim 1, it is characterised in that described perseverance
Stream drive circuit by driving chip U4, field effect transistor MOS2, audion VT3, positive pole after resistance R13 with the VD of driving chip U4
Pin is connected, negative pole as the polar capacitor C9 of the input of constant-current drive circuit, the negative pole phase of one end and polar capacitor C9
Connection, the resistance R12 of other end ground connection, positive pole is connected with the FB pin of driving chip U4, negative pole is imitated with field after resistance R15
Should polar capacitor C10, the N pole that is connected of the drain electrode of pipe MOS2 FB pin with driving chip U4 after resistance R14 be connected, P
The diode D5 that pole is connected with the negative pole of polar capacitor C10, positive pole is connected with the SOURCE pin of driving chip U4, negative pole
Polar capacitor C11, the P pole being connected with the grid of field effect transistor MOS2 is connected with the DRAIN pin of driving chip U4, N pole
Diode D6, the P pole being connected with the source electrode of field effect transistor MOS2 is connected with the source electrode of field effect transistor MOS2, N pole is through resistance
The Zener diode D7 that after R17, emitter stage with audion VT3 is connected, positive pole is connected with the drain electrode of field effect transistor MOS2,
The polar capacitor C12 that negative pole is connected with the base stage of audion VT3, one end is connected with the drain electrode of field effect transistor MOS2, another
Hold the resistance R16 of ground connection after being connected with the colelctor electrode of audion VT3, and one end is connected with the source electrode of field effect transistor MOS2
Connect, inductance L2 that the other end is connected with the N pole of Zener diode D6 composition；The GND pin ground connection of described driving chip U4；Institute
The drain electrode stating field effect transistor MOS2 is also connected with the SOURCE pin of driving chip U4；The N pole of described Zener diode D7 is made
Outfan for constant-current drive circuit.
A kind of intelligence control system based on constant-current drive circuit the most according to claim 2, it is characterised in that described three
End mu balanced circuit by voltage stabilizing chip U3, negative pole is connected with the GND pin of voltage stabilizing chip U2, positive pole after resistance R8 with voltage stabilizing core
The polar capacitor C5 that the VDD pin of sheet U2 is connected, and N pole is connected with the OUT pin of voltage stabilizing chip U2, P pole and polarity
The Zener diode D2 composition that the negative pole of electric capacity C5 is connected；The N pole of described Zener diode D2 with time basis set become chip U3's
VCC pin is connected；The negative pole of described polar capacitor C5 be connected with the cathode output end of diode rectifier U1 after ground connection；Institute
The cathode output end of the VDD pin and diode rectifier U1 of stating voltage stabilizing chip U2 is connected.
A kind of intelligence control system based on constant-current drive circuit the most according to claim 3, it is characterised in that described magnetic
Control circuit is by magnetic switch CK, field effect transistor MOS1, audion VT1, and one end is connected with the grid of field effect transistor MOS1, the other end
Resistance R1, the P pole being connected with wherein one end of magnetic switch CK is connected with the emitter stage of audion VT1, N pole is after resistance R2
The diode D1 being connected with the source electrode of field effect transistor MOS1, positive pole is connected with the base stage of audion VT1, negative pole with time basis set
Become the polar capacitor C1 that is connected of DISCHG pin of chip U2, one end is connected with the colelctor electrode of audion VT1, the other end and
The inductance L1 that the negative pole of polar capacitor C1 is connected, and positive pole is connected with the N pole of diode D1, negative pole after resistance R3 with
The polar capacitor C3 composition that the drain electrode of field effect transistor MOS1 is connected；The other end of described magnetic switch CK and the collection of audion VT1
Electrode is connected；The N pole of described diode D1 with time basis set become the TRIG pin of chip U2 to be connected；Described field effect transistor MOS1
Drain electrode be connected with the colelctor electrode of audion VT2 after ground connection.
A kind of intelligence control system based on constant-current drive circuit the most according to claim 4, it is characterised in that described double
Control circuit be connected with the control end of bidirectional thyristor V by bidirectional thyristor V, N pole, P pole after photoconductive resistance RG with diode
The diode D4 that the A input of commutator U1 is connected, positive pole is connected with the P pole of diode D4, negative pole and bidirectional thyristor V
The polar capacitor C8 that is connected of the first anode, and negative pole P pole with diode D4 after adjustable resistance R11 is connected, just
The polar capacitor C7 composition that pole second plate with bidirectional thyristor V after resistance R10 is connected；Described polar capacitor C7 is just
Pole is connected with the negative pole of polar capacitor C9；The negative pole of described polar capacitor C8 also with the A input phase of diode rectifier U1
Connect.
A kind of intelligence control system based on constant-current drive circuit the most according to claim 5, it is characterised in that described magnetic
Switch CK is the magnetic switch being made up of open type tongue tube AG and alnico magnets ZT；Wherein the one of described open type tongue tube AG
Hold be connected with grid with field effect transistor MOS1 after resistance R1, the other end is connected with the colelctor electrode of audion VT1.
A kind of intelligence control system based on constant-current drive circuit the most according to claim 6, it is characterised in that described surely
Pressure chip U2 is the integrated chip of W7800；Time described, basis set becomes chip U3 to be the integrated chip of NE555；Described driving chip U4 is
The integrated chip of TSM103.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890167.9A CN106322690A (en) | 2016-10-12 | 2016-10-12 | Intelligent control system based on constant-current drive circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890167.9A CN106322690A (en) | 2016-10-12 | 2016-10-12 | Intelligent control system based on constant-current drive circuit |
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| CN201610890167.9A Pending CN106322690A (en) | 2016-10-12 | 2016-10-12 | Intelligent control system based on constant-current drive circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106973473A (en) * | 2017-03-31 | 2017-07-21 | 成都赛昂电子科技有限公司 | A kind of illuminating lamp is with high resistant filtering type from open-shut control system |
| CN107027231A (en) * | 2017-03-31 | 2017-08-08 | 成都赛昂电子科技有限公司 | A kind of illuminating lamp is with electric current adjusting type from open-shut control system |
| CN107041049A (en) * | 2017-03-31 | 2017-08-11 | 成都赛昂电子科技有限公司 | A kind of illuminating lamp is with many processing of circuit types from open-shut control system |
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| CN107041049A (en) * | 2017-03-31 | 2017-08-11 | 成都赛昂电子科技有限公司 | A kind of illuminating lamp is with many processing of circuit types from open-shut control system |
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