A kind of deodorizing freshness keeper for refrigerator circuit
Technical field
The present invention relates to electronic circuit, it is related specifically to a kind of freezer deodorizing device circuit.
Background technology
Refrigerator is the electrical equipment that each family needs to use, and the refrigerating chamber of refrigerator is easy to produce stink or peculiar smell, and not
Easily remove.Conventional deodorant for refregerator method is stink or the peculiar smell being adsorbed using activated carbon in refrigerator, not only needs often to change work
Property charcoal, makes troubles to user, and does not have bactericidal action.
Chinese Patent Application No. 2014103728379 discloses " a kind of electronic deodorising fresh-keeping device ", is existed using electrode
Discharge electrostatic in electrion room, make air ionization, produce substantial amounts of anion and a certain amount of ozone, then by spiral wind axis
The air-flow producing during rotation is diffused into anion indoor for electrion and ozone in the refrigerating chamber of refrigerator, due to ozone is
A kind of strong oxidizer, has extremely strong sterilization and disinfective action, thus energy is deodorant and eliminates peculiar smell, and anion can not only remove
Smelly moreover it is possible to internal ageing and corrupt of suppression veterinary antibiotics, the holding time of prolongation food, therefore, this invention enables refrigerator
Sterilized, deodorant and fresh-keeping function.
Content of the invention
The invention aims to providing supporting circuit for " a kind of electronic deodorising fresh-keeping device ", refrigerator electronic is made to remove
Smelly fresh-keeping device can be automatically brought into operation, and realizes sterilized, deodorant and preservation, during the preservation of the health in holding refrigerator and prolongation food
Between.
A kind of deodorizing freshness keeper for refrigerator circuit of the present invention, is characterized in that circuit by power input interface, rectification integrated package
(IC1), filter condenser a(C1), dropping resistor(R1), filter condenser b(C2), Zener diode(V1), timing resistor
(R2), time capacitor(C3), not gate a(IC2), not gate b(IC3), time delay resistance(R4), delay capacitor(C4), not gate c
(IC4), discharge diode(V2), biasing resistor(R5), triode(VT1), oscillation resistance(R6), oscillating capacitor(C5), every
From diode(V3), not gate d(IC5), not gate e(IC6), drive resistance(R7), FET(VT2), step-up transformer(T)、
Low pressure output interface and High voltage output interface composition, wherein, power input interface includes phase line interface(L)With zero line interface(N);
Step-up transformer(T)Including primary coil and secondary coil, primary coil has line end a(1)With line end b(2)Pick out, secondary coil
There is line end c(3)With line end d(4)Pick out;Low pressure output interface includes low-voltage interface a(X1)With low-voltage interface b(X2), high pressure is defeated
Outgoing interface includes high voltage interface a(G1)With high voltage interface b(G2);Rectification integrated package(IC1)Two inputs be connected respectively to
The phase line interface of power supply(L)With zero line interface(N), rectification integrated package(IC1)Positive pole be connected to filter condenser a(C1)Just
Pole and dropping resistor(R1)The first pin, dropping resistor(R1)Crus secunda and filter condenser b(C2)Positive pole and voltage stabilizing two
Pole pipe(V1)Negative electrode connect after constitute working power(V+), rectification integrated package(IC1)Negative pole and filter condenser a(C1)'s
Negative pole, filter condenser b(C2)Negative pole and Zener diode(V1)Anode connect after constitute ground wire;Timing resistor(R2)'s
First pin is connected to working power(V+), timing resistor(R2)Crus secunda be connected to time capacitor(C3)Positive pole and not gate
a(IC2)Input, time capacitor(C3)Negative pole be connected to ground wire, not gate a(IC2)Output end be connected to not gate b
(IC3)Input, not gate b(IC3)Output end be connected to time delay resistance(R4)The first pin and biasing resistor(R5)?
Two pin, time delay resistance(R4)Crus secunda be connected to delay capacitor(C4)Positive pole and not gate c(IC4)Input, time delay
Capacitor(C4)Negative pole be connected to ground wire, not gate c(IC4)Output end be connected to discharge diode(V2)Negative electrode, electric discharge
Diode(V2)Anode be connected to time capacitor(C3)Positive pole;Biasing resistor(R5)The first pin be connected to triode
(VT1)Base stage, triode(VT1)Emitter stage be connected to ground wire, triode(VT1)Colelctor electrode be connected to low-voltage interface b
(X2), low-voltage interface a(X1)It is connected to working power(V+);Oscillation resistance(R6)The first pin be connected to oscillating capacitor(C5)
Positive pole, isolating diode(V3)Anode and not gate d(IC5)Input, oscillating capacitor(C5)Negative pole be connected to ground
Line, isolating diode(V3)Negative electrode be connected to not gate b(IC3)Output end, not gate d(IC5)Output end be connected to not gate e
(IC6)Input and oscillation resistance(R6)Crus secunda, not gate e(IC6)Output end pass through drive resistance(R7)It is connected to
FET(VT2)Grid, FET(VT2)Source electrode be connected to ground wire, FET(VT2)Drain electrode be connected to liter
Pressure transformer(T)The line end b of primary coil(2), step-up transformer(T)The line end a of primary coil(1)It is connected to rectification integrated package
(IC1)Positive pole, step-up transformer(T)The line end c of secondary coil(3), line end d(4)It is connected respectively to high voltage interface a(G1)、
High voltage interface b(G2).
In the present invention, in not gate c(IC4)Output end and discharge diode(V2)Negative electrode between have buffer resistance
(R3), buffer resistance(R3)Play and avoid not gate c(IC4)By acting on that discharge current impacts;Scene effect pipe(VT2)Leakage
There is absorption capacitor a between pole and source electrode(C6), absorption resistance a(R8)With absorption diode a(V4), absorption capacitor a(C6)
The first pin be connected to FET(VT2)Drain electrode, absorption capacitor a(C6)Crus secunda be connected to absorption resistance a(R8)
The first pin and absorption diode a(V4)Negative electrode, absorption resistance a(R8)Crus secunda and absorption diode a(V4)Anode
It is connected to FET(VT2)Source electrode;In step-up transformer(T)The line end a of primary coil(1)With line end b(2)Between have suction
Receive resistance b(R9), absorption capacitor b(C7)With absorption diode b(V5), absorption resistance b(R9)The first pin and Absorption Capacitance
Device b(C7)The first pin be connected to step-up transformer(T)The line end a of primary coil(1), absorption resistance b(R9)Crus secunda and
Absorption capacitor b(C7)Crus secunda be connected to absorption diode b(V5)Negative electrode, absorption diode b(V5)Anode be connected to
Step-up transformer(T)The line end b of primary coil(2);The external load of low pressure output interface has micromachine(M), micromachine
(M)For direct current generator, low-voltage interface a(X1)It is connected to micromachine(M)Anode, low-voltage interface b(X2)It is connected to micro electric
Machine(M)Negative terminal;The external load of High voltage output interface is electrode a(D1)With electrode b(D2), electrode a(D1), electrode b(D2)
It is connected respectively to high voltage interface a(G1), high voltage interface b(G2).
The present invention, as the support circuit of deodorizing freshness keeper for refrigerator, enables electronic deodorising fresh-keeping device to be automatically brought into operation, real
Existing sterilized, deodorant and preservation.Deodorizing freshness keeper for refrigerator is mainly by spiral air duct, spiral wind axis, electrical box, micromachine
(M), electrode a(D1)With electrode b(D2)Composition, wherein, the anterior interior space of spiral air duct constitutes electrion room, electrion
In spiral air duct after room, space constitutes pumping air channel, electrode a(D1)With electrode b(D2)It is mounted opposite in electrion room
On wall body, electrode a(D1)With electrode b(D2)Discharge end in electrion room, spiral wind axis be arranged on pumping air channel in, electricity
Machine bearing is arranged on above the right side of electrical box and is connected as a single entity with electrical box, micromachine(M)It is arranged on motor support base, micro-
Type motor(M)Rotating shaft be connected to the shaft core rear end of spiral wind axis by shaft joint;The circuit of the present invention is installed on circuit boards,
Circuit board is arranged in electrical box.The present invention utilizes electrode a(D1)With electrode b(D2)Carry out corona discharge in electrion room,
Make air ionization, produce substantial amounts of anion and a certain amount of ozone, make micromachine simultaneously(M)Energising rotation, drives spiral
The air-flow that wind axis rotation produces is diffused into the indoor anion of electrion and ozone in the refrigerating chamber of refrigerator, due to ozone
It is a kind of strong oxidizer, there is extremely strong sterilization and disinfective action, thus energy is deodorant and eliminates peculiar smell, and anion can not only remove
Smelly moreover it is possible to suppression veterinary antibiotics internal ageing and corrupt, the holding time of prolongation food.
When the present invention uses, power input interface is connected on the illuminating line of cold compartment of refrigerator, wherein, phase line interface
(L)It is connected in the 220V power supply phase line before the door switch of refrigerator.The circuit of the present invention is touched automatically using circulation timing mode
Send out work, then time delay 2-3 minute is automatically switched off.Its operation principle is:When circuit has just connected the power supply of 220V, because of timing electricity
Container(C3)It is not electrically charged, not gate a(IC2)Input be low level, not gate a(IC2)Output end and not gate b(IC3)
Input be high level, not gate b(IC3)Output end be low level, triode(VT1)Cut-off, micromachine(M)Stop;
Due to not gate b(IC3)The low level of output end passes through isolating diode(V3)Make not gate d(IC5)Input be clamped at low
Level, makes oscillation resistance(R6), oscillating capacitor(C5)And not gate d(IC5)The oscillating circuit of composition stops, not gate e(IC6)No
Energy outputting oscillation signal, FET(VT2)Completely switched off, the High voltage output interface of circuit does not have voltage output;Meanwhile, not gate
b(IC3)The low level of output end makes not gate c(IC4)Input be all low level, not gate c(IC4)Output end be high electricity
Flat, not gate c(IC4)The high level of output end is because of discharge diode(V2)Reverse prevention without to time capacitor(C3)Fill
Electricity, but can prevent time capacitor(C3)On voltage by not gate c(IC4)Output end be close to road it is ensured that time capacitor
(C3)Charge according to set time.Time capacitor(C3)By timing resistor(R2)It is charged, works as time capacitor(C3)On
Charging reach 2/3 working power(V+)Voltage when, not gate a(IC2)Input be high level, not gate a(IC2)Output
End and not gate b(IC3)Input be low level, not gate b(IC3)Output end be reversed to high level, make triode(VT1)Lead
Logical, micromachine(M)Energising runs, and drives the rotation of spiral wind axis, simultaneously as not gate b(IC3)The high level of output end eliminates
To not gate d(IC5)Input clamper, make oscillation resistance(R6), oscillating capacitor(C5)And not gate d(IC5)Composition
Oscillating circuit normal work, not gate e(IC6)Output end just export high-frequency switching signal to FET(VT2)Grid, make
FET(VT2)By frequency conducting and the cut-off of high-frequency oscillation signal, step-up transformer(T)Secondary coil just produce high pressure
Electricity, high-tension electricity is applied to electrode a by High voltage output interface(D1)With electrode b(D2)On, make electrode a(D1)With electrode b(D2)
Discharge end form corona discharge, make air ionization, produce anion and ozone;Spiral wind axis rotation produce air-flow bear from
Son and ozone send in the refrigerating chamber of interior refrigerator, carry out sterilization, sterilization, deodorant and fresh-keeping using anion and ozone.Meanwhile, not gate
b(IC3)The high level of output end passes through time delay resistance(R4)To delay capacitor(C4)It is charged, after time delay 2-3 minute,
Delay capacitor(C4)On charging reach 2/3 working power(V+)Voltage when, not gate c(IC4)Input be in high level,
Not gate c(IC4)Output end be reversed to low level, make time capacitor(C3)On voltage through discharge diode(V2)And buffering
Resistance(R3)To not gate c(IC4)Output end discharged, after the several seconds, time capacitor(C3)On voltage be discharged into low
In 1/3 working power(V+)Voltage when, not gate a(IC2)Input be low level, make not gate b(IC3)Output end reversion
For low level, triode(VT1)Cut-off, micromachine(M)Power-off and stop, meanwhile, make not gate d again(IC5)Input quilt
Clamper is in not gate b(IC3)The low level of output end, makes oscillation resistance(R6), oscillating capacitor(C5)And not gate d(IC5)Composition
Oscillating circuit stop, not gate e(IC6)It is unable to outputting oscillation signal, FET(VT2)Completely switched off, the high pressure of circuit is defeated
Outgoing interface does not have voltage output to make electrode a(D1)With electrode b(D2)Stop electric discharge;In not gate b(IC3)Output end be reversed to
During low level, delay capacitor(C4)On voltage pass through time delay resistance(R4)To not gate b(IC3)Output end discharged,
Make not gate c(IC4)Input revert to low level, not gate c(IC4)Output end revert to high level.Circuit quits work
Afterwards, when the next intercycle time will be waited to reach, circuit presses said process repeated work, so circulates, makes deodorant for refregerator
Fresh-keeping device realizes sterilized, deodorant and fresh-keeping function.
In above-mentioned invention, by determining timing resistor(R2)Resistance and time capacitor(C3)Capacitance come following
The interval time of ring timing is set to 2-3 hour;By determining time delay resistance(R4)Resistance and delay capacitor(C4)Electricity
It is 2-3 minute that capacity comes the set of time stopping through time delay, and the interval time of circulation timing and time delay dwell time press t=
0.693RC determines;By determining oscillation resistance(R6)Resistance and oscillating capacitor(C5)Capacitance making the higher-order of oscillation
Frequency is 25kHz, and cycle of oscillation presses t=1.4 RC and determines;By determining step-up transformer(T)Transformation ratio making High voltage output
The high-tension electricity of interface output is 8000-12000V, works as step-up transformer(T)Transformation ratio be 33 when, High voltage output interface export
High-tension electricity be 10000V.
Present invention application not gate is processing and to control interval time and the time delay dwell time of circulation timing, not gate a
(IC2), not gate b(IC3), not gate c(IC4), not gate d(IC5)With not gate e(IC6)Using cmos digital integrated circuit, concrete choosing
With six ungated integrated circuits of CC4069 model, a unnecessary not gate is parallel to not gate c(IC4)Upper use, the integrated electricity of not gate
The power end on road is connected to working power(V+), the earth terminal of ungated integrated circuit is connected to ground wire.Cmos digital integrated circuit
It is a kind of preferable micropower circuit, interface circuit is simple, the strong anti-interference performance of circuit, and input impedance is high, usually 108
Ω, therefore, in timing circuit, the resistance of its timing resistor and the capacitance of time capacitor can be selected sufficiently large, with full
The requirement of foot length time delay, application cmos digital integrated circuit makes the circuit structure of the present invention simple, and reliable operation.
The invention has the beneficial effects as follows:There is provided supporting circuit for deodorizing freshness keeper for refrigerator, enable deodorizing freshness keeper for refrigerator
Realize sterilized, deodorant and fresh-keeping function, to keep the health in refrigerator and the holding time extending food.The present invention presses circulation
After timing automatic start, time delay 2-3 minute, the mode of automatic shutdown works, and is convenient for people to use.
Brief description
Accompanying drawing 1 is a kind of deodorizing freshness keeper for refrigerator circuit diagram of the present invention.
In figure:R1. dropping resistor, R2. timing resistor, R3. buffer resistance, R4. time delay resistance, R5. biasing resistor, R6.
Oscillation resistance, R7. driving resistance, R8. absorption resistance a, R9. absorption resistance b, C1. filter condenser a, C2. filter condenser b,
C3. time capacitor, C4. delay capacitor, C5. oscillating capacitor, C6. absorption capacitor a, C7. absorption capacitor b, V1. are steady
Pressure diode, V2. discharge diode, V3. isolating diode, V4. absorption diode a, V5. absorption diode b, VT1. tri- pole
Pipe, VT2. FET, V+. working power, IC1. rectification integrated package, IC2. not gate a, IC3. not gate b, IC4. not gate c, IC5.
Not gate d, IC6. not gate e, T. step-up transformer, the phase line interface of L. power supply, the zero line interface of N. power supply, X1. low-voltage interface a,
X2. low-voltage interface b, G1. high voltage interface a, G2. high voltage interface b, M. micromachine, D1. electrode a, D2. electrode b.
Specific embodiment
In embodiment shown in embodiment accompanying drawing 1, a kind of deodorizing freshness keeper for refrigerator circuit is by power input interface, whole
Adfluxion is blocking(IC1), filter condenser a(C1), dropping resistor(R1), filter condenser b(C2), Zener diode(V1), fixed
When resistance(R2), time capacitor(C3), not gate a(IC2), not gate b(IC3), time delay resistance(R4), delay capacitor(C4)、
Not gate c(IC4), buffer resistance(R3), discharge diode(V2), biasing resistor(R5), triode(VT1), oscillation resistance(R6)、
Oscillating capacitor(C5), isolating diode(V3), not gate d(IC5), not gate e(IC6), drive resistance(R7), FET
(VT2), step-up transformer(T), low pressure output interface and High voltage output interface composition, wherein, power input interface includes phase line
Interface(L)With zero line interface(N);Step-up transformer(T)Including primary coil and secondary coil, primary coil has line end a(1)With
Line end b(2)Pick out, secondary coil has line end c(3)With line end d(4)Pick out;Low pressure output interface includes low-voltage interface a(X1)With
Low-voltage interface b(X2), High voltage output interface includes high voltage interface a(G1)With high voltage interface b(G2);Rectification integrated package(IC1)'s
Two inputs are connected respectively to the phase line interface of power supply(L)With zero line interface(N), rectification integrated package(IC1)Positive pole connect
To filter condenser a(C1)Positive pole and dropping resistor(R1)The first pin, dropping resistor(R1)Crus secunda and filter capacitor
Device b(C2)Positive pole and Zener diode(V1)Negative electrode connect after constitute working power(V+), rectification integrated package(IC1)Negative
Pole and filter condenser a(C1)Negative pole, filter condenser b(C2)Negative pole and Zener diode(V1)Anode connect after structure
Become ground wire;Timing resistor(R2)The first pin be connected to working power(V+), timing resistor(R2)Crus secunda be connected to timing
Capacitor(C3)Positive pole and not gate a(IC2)Input, time capacitor(C3)Negative pole be connected to ground wire, not gate a
(IC2)Output end be connected to not gate b(IC3)Input, not gate b(IC3)Output end be connected to time delay resistance(R4)'s
First pin and biasing resistor(R5)Crus secunda, time delay resistance(R4)Crus secunda be connected to delay capacitor(C4)Positive pole and
Not gate c(IC4)Input, delay capacitor(C4)Negative pole be connected to ground wire, not gate c(IC4)Output end pass through buffering
Resistance(R3)It is connected to discharge diode(V2)Negative electrode, discharge diode(V2)Anode be connected to time capacitor(C3)'s
Positive pole;Biasing resistor(R5)The first pin be connected to triode(VT1)Base stage, triode(VT1)Emitter stage be connected to ground
Line, triode(VT1)Colelctor electrode be connected to low-voltage interface b(X2), low-voltage interface a(X1)It is connected to working power(V+);Shake
Swing resistance(R6)The first pin be connected to oscillating capacitor(C5)Positive pole, isolating diode(V3)Anode and not gate d(IC5)
Input, oscillating capacitor(C5)Negative pole be connected to ground wire, isolating diode(V3)Negative electrode be connected to not gate b(IC3)
Output end, not gate d(IC5)Output end be connected to not gate e(IC6)Input and oscillation resistance(R6)Crus secunda, non-
Door e(IC6)Output end pass through drive resistance(R7)It is connected to FET(VT2)Grid, FET(VT2)Source electrode
It is connected to ground wire, FET(VT2)Drain electrode be connected to step-up transformer(T)The line end b of primary coil(2), transformation of boosting
Device(T)The line end a of primary coil(1)It is connected to rectification integrated package(IC1)Positive pole, step-up transformer(T)The line of secondary coil
End c(3), line end d(4)It is connected respectively to high voltage interface a(G1), high voltage interface b(G2).In the present embodiment, scene effect pipe
(VT2)Drain electrode and source electrode between have absorption capacitor a(C6), absorption resistance a(R8)With absorption diode a(V4), absorb electricity
Container a(C6)The first pin be connected to FET(VT2)Drain electrode, absorption capacitor a(C6)Crus secunda be connected to absorption
Resistance a(R8)The first pin and absorption diode a(V4)Negative electrode, absorption resistance a(R8)Crus secunda and absorption diode a
(V4)Anode be connected to FET(VT2)Source electrode;In step-up transformer(T)The line end a of primary coil(1)With line end b
(2)Between have absorption resistance b(R9), absorption capacitor b(C7)With absorption diode b(V5), absorption resistance b(R9)The first pin
With absorption capacitor b(C7)The first pin be connected to step-up transformer(T)The line end a of primary coil(1), absorption resistance b(R9)
Crus secunda and absorption capacitor b(C7)Crus secunda be connected to absorption diode b(V5)Negative electrode, absorption diode b(V5)'s
Anode is connected to step-up transformer(T)The line end b of primary coil(2);The external load of low pressure output interface has micromachine
(M), micromachine(M)For direct current generator, low-voltage interface a(X1)It is connected to micromachine(M)Anode, low-voltage interface b(X2)
It is connected to micromachine(M)Negative terminal;The external load of High voltage output interface is electrode a(D1)With electrode b(D2), electrode a
(D1), electrode b(D2)It is connected respectively to high voltage interface a(G1), high voltage interface b(G2).
In the above embodiments, not gate a(IC2), not gate b(IC3), not gate c(IC4), not gate d(IC5)With not gate e
(IC6)Using cmos digital integrated circuit, specifically select six ungated integrated circuits of CC4069 model, a unnecessary not gate is simultaneously
It is linked to not gate c(IC4)Upper use, the power end of ungated integrated circuit is connected to working power(V+), the connecing of ungated integrated circuit
Ground terminal is connected to ground wire.
In the above embodiments, by determining timing resistor(R2)Resistance and time capacitor(C3)Capacitance carry out handle
The interval time of circulation timing is set to 2-3 hour;By determining time delay resistance(R4)Resistance and delay capacitor(C4)'s
It is 2-3 minute that capacitance is come the set of time stopping through time delay, and the interval time of circulation timing and time delay dwell time press t=
0.693RC determines;By determining oscillation resistance(R6)Resistance and oscillating capacitor(C5)Capacitance making the higher-order of oscillation
Frequency is 25kHz, and cycle of oscillation presses t=1.4 RC and determines;By determining step-up transformer(T)Transformation ratio making High voltage output
The high-tension electricity of interface output is 8000-12000V, works as step-up transformer(T)Transformation ratio be 33 when, High voltage output interface export
High-tension electricity be 10000V.
The above embodiments, as the support circuit of deodorizing freshness keeper for refrigerator, enable electronic deodorising fresh-keeping device automatically to grasp
Make, realize sterilized, deodorant and preservation.Deodorizing freshness keeper for refrigerator is mainly by spiral air duct, spiral wind axis, electrical box, miniature
Motor(M), electrode a(D1)With electrode b(D2)Composition, wherein, the anterior interior space of spiral air duct constitutes electrion room, high pressure
In spiral air duct after arc chamber, space constitutes pumping air channel, electrode a(D1)With electrode b(D2)It is mounted opposite in electrion
On the wall body of room, electrode a(D1)With electrode b(D2)Discharge end in electrion room, spiral wind axis be arranged on pumping air channel
In, motor support base is arranged on above the right side of electrical box and is connected as a single entity with electrical box, micromachine(M)It is arranged on motor support base
On, micromachine(M)Rotating shaft be connected to the shaft core rear end of spiral wind axis by shaft joint;The circuit of the present embodiment is arranged on electricity
On the plate of road, circuit board is arranged in electrical box.The present embodiment utilizes electrode a(D1)With electrode b(D2)Carry out in electrion room
Corona discharge, makes air ionization, produces substantial amounts of anion and a certain amount of ozone, makes micromachine simultaneously(M)Energising rotation,
Drive the air-flow that the rotation of spiral wind axis produces that the indoor anion of electrion and ozone are diffused in the refrigerating chamber of refrigerator, by
In ozone is a kind of strong oxidizer, has extremely strong sterilization and disinfective action, thus energy is deodorant and eliminates peculiar smell, and anion
Can not only deodorant moreover it is possible to suppression veterinary antibiotics internal ageing and corrupt, the holding time of prolongation food.
When the above embodiments use, power input interface is connected on the illuminating line of cold compartment of refrigerator, wherein, phase
Line interface(L)It is connected in the 220V power supply phase line before the door switch of refrigerator.The circuit of the present embodiment adopts circulation timing side
Formula triggers work automatically, and then time delay 2-3 minute is automatically switched off.Its operation principle is:When circuit has just connected the power supply of 220V,
Because of time capacitor(C3)It is not electrically charged, not gate a(IC2)Input be low level, not gate a(IC2)Output end and non-
Door b(IC3)Input be high level, not gate b(IC3)Output end be low level, triode(VT1)Cut-off, micromachine
(M)Stop;Due to not gate b(IC3)The low level of output end passes through isolating diode(V3)Make not gate d(IC5)Input quilt
Clamper, in low level, makes oscillation resistance(R6), oscillating capacitor(C5)And not gate d(IC5)The oscillating circuit of composition stops, not gate
e(IC6)It is unable to outputting oscillation signal, FET(VT2)Completely switched off, the High voltage output interface of circuit does not have voltage output;
Meanwhile, not gate b(IC3)The low level of output end makes not gate c(IC4)Input be all low level, not gate c(IC4)Defeated
Going out end is high level, not gate c(IC4)The high level of output end is because of discharge diode(V2)Reverse prevention without to timing electricity
Container(C3)Charge, but can prevent time capacitor(C3)On voltage by not gate c(IC4)Output end be close to road it is ensured that fixed
When capacitor(C3)Charge according to set time.Time capacitor(C3)By timing resistor(R2)It is charged, works as timing capacitor
Device(C3)On charging reach 2/3 working power(V+)Voltage when, not gate a(IC2)Input be high level, not gate a
(IC2)Output end and not gate b(IC3)Input be low level, not gate b(IC3)Output end be reversed to high level, make three
Pole pipe(VT1)Conducting, micromachine(M)Energising runs, and drives the rotation of spiral wind axis, simultaneously as not gate b(IC3)Output end
High level eliminate to not gate d(IC5)Input clamper, make oscillation resistance(R6), oscillating capacitor(C5)And not gate d
(IC5)The oscillating circuit normal work of composition, not gate e(IC6)Output end just export high-frequency switching signal to FET
(VT2)Grid, make FET(VT2)By frequency conducting and the cut-off of high-frequency oscillation signal, step-up transformer(T)Secondary
Coil just produces high-tension electricity, and high-tension electricity is applied to electrode a by High voltage output interface(D1)With electrode b(D2)On, make electrode a
(D1)With electrode b(D2)Discharge end form corona discharge, make air ionization, produce anion and ozone;Spiral wind axis rotates
The air-flow producing send anion and ozone in the refrigerating chamber of interior refrigerator, carries out sterilization, sterilization, deodorant using anion and ozone
With fresh-keeping.Meanwhile, not gate b(IC3)The high level of output end passes through time delay resistance(R4)To delay capacitor(C4)It is charged,
After time delay 2-3 minute, delay capacitor(C4)On charging reach 2/3 working power(V+)Voltage when, not gate c(IC4)
Input be in high level, not gate c(IC4)Output end be reversed to low level, make time capacitor(C3)On voltage through putting
Electric diode(V2)And buffer resistance(R3)To not gate c(IC4)Output end discharged, after the several seconds, time capacitor
(C3)On voltage be discharged into less than 1/3 working power(V+)Voltage when, not gate a(IC2)Input be low level, make non-
Door b(IC3)Output end be reversed to low level, triode(VT1)Cut-off, micromachine(M)Power-off and stop, making again meanwhile
Not gate d(IC5)Input be clamped at not gate b(IC3)The low level of output end, makes oscillation resistance(R6), oscillating capacitor
(C5)And not gate d(IC5)The oscillating circuit of composition stops, not gate e(IC6)It is unable to outputting oscillation signal, FET(VT2)Complete
Full cut-off, the High voltage output interface of circuit does not have voltage output to make electrode a(D1)With electrode b(D2)Stop electric discharge;In not gate b
(IC3)Output end when being reversed to low level, delay capacitor(C4)On voltage pass through time delay resistance(R4)To not gate b
(IC3)Output end discharged, make not gate c(IC4)Input revert to low level, not gate c(IC4)Output end recover
For high level.After circuit quits work, when the next intercycle time will be waited to reach, circuit is pressed said process and is repeated work
Make, so circulate, make deodorizing freshness keeper for refrigerator realize sterilized, deodorant and fresh-keeping function.