CN104184442A - Refrigerator deodorizing fresh-keeping device circuit triggered by door-closing information - Google Patents
Refrigerator deodorizing fresh-keeping device circuit triggered by door-closing information Download PDFInfo
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Abstract
The invention discloses a refrigerator deodorizing fresh-keeping device circuit triggered by door-closing information, and relates to a refrigerator deodorizer circuit. The refrigerator deodorizing fresh-keeping device circuit is composed of a power supply input interface, a gate controlled interface, a rectification integrated block, a voltage reduction resistor, a filter capacitor, a voltage stabilizing diode, an isolation diode, a time delay resistor, a time delay capacitor, a NOT gate integrated circuit, a bias resistor, a triode, an oscillation resistor, an oscillation capacitor, a driving resistor, a field effect transistor, a boost transformer, a low-voltage output interface and a high-voltage output interface. The boost transformer comprises a primary coil and a secondary coil. The primary coil is lead out through a wiring end a and a wiring end b, and the secondary coil is led out through a wiring end c and a wiring end d; and the low-voltage output interface comprises a low-voltage interface a and a low-voltage interface b, and the high-voltage output interface comprises a high-voltage interface a and a high-voltage interface b. According to the invention, a deodorizing fresh-keeping device is automatically triggered to work by use of the door-closing information of a refrigerator, negative ions and ozone are not lost, and a refrigerator deodorizing fresh-keeping device can realize a sterilization function, a deodorizing function and a fresh-keeping function.
Description
Technical field
The present invention relates to electronic circuit, specially refer to a kind of freezer deodorizing device circuit.
Background technology
Refrigerator is that each family needs the electrical equipment using, and the refrigerating chamber of refrigerator is easy to produce stink or peculiar smell, and is difficult for removing.Conventional deodorant for refregerator method is to utilize active carbon to adsorb stink or the peculiar smell in refrigerator, not only needs often to change active carbon, makes troubles, and there is no bactericidal action to user.
Chinese Patent Application No. 2014103728379 discloses " a kind of electronic deodorising fresh-keeping device ", utilize electrode to discharge static in electrion chamber, make air ionization, produce a large amount of anions and a certain amount of ozone, then the air-flow producing while rotation by spiral wind axis is diffused into anion indoor electrion and ozone in the refrigerating chamber of refrigerator, due to ozone is a kind of strong oxidizer, there is extremely strong sterilization and disinfective action, thereby energy deodorizing and elimination peculiar smell, and anion can not only deodorizing, can also suppress vegetables, the ageing of fruit internal and corruption, extend the holding time of food, therefore, this invention can realize the sterilization of refrigerator, deodorizing and fresh-keeping function.
Summary of the invention
The object of the invention is to provide supporting circuit for " a kind of electronic deodorising fresh-keeping device ", utilize the information that refrigerator is closed the door to send out the work of deodorizing and fresh-keeping device from movable contact, easy to use, realize sterilization, deodorizing and preservation, the holding time of the health in maintenance refrigerator and prolongation food.
A kind of deodorizing freshness keeper for refrigerator circuit being triggered by the information of closing the door of the present invention, it is characterized in that deodorizing freshness keeper for refrigerator circuit is by power input interface, gate interface (F), rectification integrated package (IC1), filtering capacitor a(C1), dropping resistor (R1), filtering capacitor b(C2), voltage stabilizing didoe (V1), dropping resistor b(R2), isolating diode a(V3), isolating diode b(V4), time delay resistance (R3), delay capacitor (C4), not gate a(IC2), isolating diode c(V5), not gate b(IC3), biasing resistor (R5), triode (VT1), isolating diode d(V6), oscillation resistance (R6), oscillating capacitor (C5), not gate c(IC4), not gate d(IC5), drive resistance (R7), field effect transistor (VT2), step-up transformer (T), low pressure output interface and High voltage output interface composition, wherein, power input interface comprises power interface a(A), power interface b(B), step-up transformer (T) comprises primary coil and secondary coil, and primary coil has line end a(1) and line end b(2) pick out, secondary coil has line end c(3) and line end d(4) pick out, low pressure output interface comprises low-voltage interface a(X1) and low-voltage interface b(X2), High voltage output interface comprises high voltage interface a(G1) and high voltage interface b(G2), two inputs of rectification integrated package (IC1) are connected respectively to power interface a(A) and power interface b(B), the positive pole of rectification integrated package (IC1) is connected to filtering capacitor a(C1) positive pole and the first pin of dropping resistor (R1), the crus secunda of dropping resistor (R1) and filtering capacitor b(C2) positive pole and the negative electrode of voltage stabilizing didoe (V1) form working power (V+) after being connected, the negative pole of rectification integrated package (IC1) and filtering capacitor a(C1) negative pole, filtering capacitor b(C2) negative pole and the anodic bonding of voltage stabilizing didoe (V1) after form ground wire, dropping resistor b(R2) the first pin be connected to gate interface (F), dropping resistor b(R2) crus secunda be connected to isolating diode a(V3) anode and isolating diode b(V4) anode, isolating diode a(V3) negative electrode be connected to the first pin of time delay resistance (R3), the positive pole of delay capacitor (C4) and not gate a(IC2) input, the negative pole of the crus secunda of time delay resistance (R3) and delay capacitor (C4) is connected to ground wire, not gate a(IC2) output be connected to isolating diode c(V5) anode, isolating diode c(V5) negative electrode and isolating diode b(V4) negative electrode be connected to not gate b(IC3) input, not gate b(IC3) output be connected to the crus secunda of biasing resistor (R5), the first pin of biasing resistor (R5) is connected to the base stage of triode (VT1), the emitter of triode (VT1) is connected to ground wire, the collector electrode of triode (VT1) is connected to low-voltage interface b(X2), low-voltage interface a(X1) be connected to working power (V+), the first pin of oscillation resistance (R6) is connected to the first pin of oscillating capacitor (C5), isolating diode d(V6) anode and not gate c(IC4) input, the crus secunda of oscillating capacitor (C5) is connected to ground wire, isolating diode d(V6) negative electrode be connected to not gate b(IC3) output, not gate c(IC4) output be connected to crus secunda and the not gate d(IC5 of oscillation resistance (R6)) input, not gate d(IC5) output by driving resistance (R7) to be connected to the grid of field effect transistor (VT2), the source electrode of field effect transistor (VT2) is connected to ground wire, the drain electrode of field effect transistor (VT2) is connected to the line end b(2 of step-up transformer (T) primary coil), the line end a(1 of step-up transformer (T) primary coil) be connected to the positive pole of rectification integrated package (IC1), the line end c(3 of step-up transformer (T) secondary coil), line end d(4) be connected respectively to high voltage interface a(G1), high voltage interface b(G2).
In the present invention, at dropping resistor b(R2) crus secunda and ground wire between have pressure limiting diode (V2), the negative electrode of pressure limiting diode (V2) is connected to dropping resistor b(R2) crus secunda, the anodic bonding of pressure limiting diode (V2) is to ground wire, the effect of pressure limiting diode (V2) is through dropping resistor b(R2) voltage after step-down is limited to the level region of working power (V+), therefore, pressure limiting diode (V2) selects voltage stabilizing didoe (V1) to equate that the voltage stabilizing didoe of voltage stabilizing value uses, at not gate b(IC3) input and ground wire between You Bang road resistance (R4) and anti-interference condenser (C3), be close to the first pin of road resistance (R4) and the positive pole of anti-interference condenser (C3) is connected to not gate b(IC3) input, be close to the crus secunda of road resistance (R4) and the negative pole of anti-interference condenser (C3) is connected to ground wire, between the drain electrode of being on the scene effect pipe (VT2) and source electrode, have absorption capacitor a(C6), absorption diode a(V7) and absorption resistance a(R8), absorption capacitor a(C6) the first pin be connected to the drain electrode of field effect transistor (VT2), absorption capacitor a(C6) crus secunda be connected to absorption diode a(V7) negative electrode and absorption resistance a(R8) the first pin, absorption diode a(V7) anode and absorption resistance a(R8) crus secunda be connected to the source electrode of field effect transistor (VT2), at the line end a(1 of step-up transformer (T) primary coil) and line end b(2) between have absorption resistance b(R9), absorption capacitor b(C7) and absorption diode b(V8), absorption resistance b(R9) the first pin and absorption capacitor b(C7) the first pin be connected to the line end a(1 of step-up transformer (T) primary coil), absorption resistance b(R9) crus secunda and absorption capacitor b(C7) crus secunda be connected to absorption diode b(V8) negative electrode, absorption diode b(V8) anodic bonding to the line end b(2 of step-up transformer (T) primary coil), the external load of low pressure output interface has micromachine (M), and micromachine (M) is direct current machine, low-voltage interface a(X1) be connected to the anode of micromachine (M), low-voltage interface b(X2) be connected to the negative terminal of micromachine (M), the external load of High voltage output interface is electrode a(D1) and electrode b(D2), electrode a(D1), electrode b(D2) be connected respectively to high voltage interface a(G1), high voltage interface b(G2), the lighting circuit that has door switch (SQ) and illuminating lamp (H) to form on refrigerator, lighting circuit has the phase line (L1) of power supply and the access of the zero line (N) of power supply, the phase line (L1) of power supply is connected to input and the power interface a(A of door switch (SQ)), the output of door switch (SQ) is connected to one end and the gate interface (F) of illuminating lamp (H), and the zero line (N) of power supply is connected to the other end and the power interface b(B of illuminating lamp (H)).
The present invention, as the support circuit of deodorizing freshness keeper for refrigerator, makes deodorizing freshness keeper for refrigerator can realize sterilization, deodorizing and fresh-keeping function.Deodorizing freshness keeper for refrigerator is mainly by spiral air duct, spiral wind axis, electrical box, micromachine (M), electrode a(D1) and electrode b(D2) composition, wherein, the interior space of spiral air duct front portion forms electrion chamber, in spiral air duct after electrion chamber, space forms the air channel of bleeding, electrode a(D1) with electrode b(D2) on the relative wall body that is arranged on electrion chamber, electrode a(D1) and electrode b(D2) discharge end in electrion chamber, spiral wind axis is arranged on bleeds in air channel, motor support base is arranged on the top, right side of electrical box and is connected as a single entity with electrical box, micromachine (M) is arranged on motor support base, the rotating shaft of micromachine (M) is connected to the axle core rear end of spiral wind axis by shaft joint, circuit of the present invention is arranged on circuit board, and circuit board is arranged in electrical box.The present invention utilizes electrode a(D1) and electrode b(D2) carry out corona discharge in electrion chamber, make air ionization, produce a large amount of anions and a certain amount of ozone, make micromachine (M) energising rotation simultaneously, the air-flow that drives the rotation of spiral wind axis to produce is diffused into anion indoor electrion and ozone in the refrigerating chamber of refrigerator, due to ozone is a kind of strong oxidizer, there is extremely strong sterilization and disinfective action, thereby energy deodorizing and elimination peculiar smell, and anion can not only deodorizing, can also suppress vegetables, the ageing of fruit internal and corruption, extend the holding time of food.
When the present invention uses, in the time that people open refrigerator doors and pick and place article and refrigerator doors is shut again, utilize and close gate signal and automatically trigger deodorizing freshness keeper for refrigerator work, then time delay 2-3 minute or longer time close automatically.Its operation principle is: in the time that people open refrigerator doors and pick and place food, door switch (SQ) closure, when the illuminating lamp (H) of refrigerator is lighted, high level is by dropping resistor b(R2), isolating diode a(V3) and isolating diode b(V4) be input to respectively not gate a(IC2) input and not gate b(IC3) input, make not gate b(IC3) output be low level, due to not gate a(IC2) input be connected to delay capacitor (C4), high level charges to delay capacitor (C4) simultaneously, make delay capacitor (C4) within the several seconds, fill electricity with, in the time that the charging of delay capacitor (C4) reaches the voltage of 2/3 working power (V+), make not gate a(IC2) output be low level, carry out to trigger and prepare, due at not gate a(IC2) output to not gate b(IC3) input between be connected to isolating diode c(V5), not gate b(IC3) high level of input can be to not gate a(IC2) output pour in down a chimney, therefore, after delay capacitor (C4) is charged, not gate b(IC3) output be still low level, late-class circuit keep do not work, when people pick and place after food, when refrigerator doors is closed, door switch (SQ) disconnects, when the illuminating lamp (H) of refrigerator extinguishes, not gate b(IC3) input be low level, not gate b(IC3) output be reversed to immediately high level, make late-class circuit work, in late-class circuit, the base stage of triode (VT1) by biasing resistor (R5) from not gate b(IC3) output obtain electric current, triode (VT1) conducting, makes micromachine (M) energising operation, drives the rotation of spiral wind axis, due to not gate b(IC3) output be high level, make oscillation resistance (R6), oscillating capacitor (C5) and not gate c(IC4) composition oscillating circuit normally work, not gate d(IC5) output just export high-frequency switching signal to the grid of field effect transistor (VT2), make field effect transistor (VT2) by frequency conducting and the cut-off of high-frequency oscillation signal, the secondary coil of step-up transformer (T) just produces high-tension electricity, high-tension electricity is applied to electrode a(D1 by High voltage output interface) and electrode b(D2) on, make electrode a(D1) and electrode b(D2) discharge end form corona discharge, make air ionization, produce anion and ozone, the air-flow that the rotation of spiral wind axis produces send anion and ozone in the refrigerating chamber of interior refrigerator, utilizes anion and ozone to carry out sterilization, sterilization, deodorizing and fresh-keeping.Through time delay 2-3 minute or longer time after, voltage on delay capacitor (C4) discharges to ground wire by time delay resistance (R3), when the voltage on delay capacitor (C4) is during lower than the voltage of 1/3 working power (V+), not gate a(IC2) output be high level, high level is by isolating diode c(V5) be input to not gate b(IC3) input, make not gate b(IC3) output be reversed to low level, not gate b(IC3) low level of output is by isolating diode d(V6) make not gate c(IC4) and input be clamped at low level, force oscillating circuit to quit work, not gate d(IC5) do not have oscillator signal to export, field effect transistor (VT2) is ended completely, the High voltage output interface of circuit does not have high-tension electricity output and makes electrode a(D1) and electrode b(D2) stop discharging, meanwhile, triode (VT1) cut-off, micromachine (M) power-off and stopping.After deodorizing freshness keeper for refrigerator quits work, by the next wait refrigerator open-action of closing the door, circuit is pressed said process repeated work, makes deodorizing freshness keeper for refrigerator realize sterilization, deodorizing and fresh-keeping function.The present invention utilizes the information that refrigerator is closed the door to send out the work of deodorizing and fresh-keeping device from movable contact, not only makes anion and ozone can not run off, and uses safety.
In above-mentioned invention, by determining that the set of time that the resistance of time delay resistance (R3) and the capacitance of delay capacitor (C4) stop time delay is 2-3 minute or longer time, then by determining dropping resistor b(R2) resistance to come be in 10 seconds set of time charged delay capacitor (C4), it is definite that the charging interval of time delay dwell time, delay capacitor (C4) is respectively pressed t=0.693RC; Be 25kHz by determining that the resistance of oscillation resistance (R6) and the capacitance of oscillating capacitor (C5) make the frequency of the higher-order of oscillation, press t=1.4 RC cycle of oscillation and determine; Be 8000-12000V by determining that the transformation of step-up transformer (T) recently makes the high-tension electricity of High voltage output interface output, in the time that the transformation ratio of step-up transformer (T) is 33, the high-tension electricity of High voltage output interface output is 10000V.
In above-mentioned invention, not gate a(IC2), not gate b(IC3), not gate c(IC4) and not gate d(IC5) use cmos digital integrated circuit, specifically select six ungated integrated circuits of CC4069 model, two unnecessary not gates are parallel to not gate b(IC3) NOR gate d(IC5) upper use, the power end of ungated integrated circuit is connected to working power (V+), and the earth terminal of ungated integrated circuit is connected to ground wire.Cmos digital integrated circuit is a kind of desirable micropower circuit, and interface circuit is simple, the strong anti-interference performance of circuit, and input impedance is high, is generally 10
8Ω, therefore, application cmos digital integrated circuit makes circuit structure of the present invention simple, and reliable operation.
The invention has the beneficial effects as follows: for deodorizing freshness keeper for refrigerator provides supporting circuit, make deodorizing freshness keeper for refrigerator can realize sterilization, deodorizing and fresh-keeping function, the holding time of the health in maintenance refrigerator and prolongation food.The present invention utilizes the information that refrigerator is closed the door to send out the work of deodorizing and fresh-keeping device from movable contact, anion and ozone can not be run off, and be convenient for people to use.
Brief description of the drawings
Accompanying drawing 1 is the deodorizing freshness keeper for refrigerator circuit diagram being triggered by the information of closing the door of the present invention.
In figure: R1. dropping resistor a, R2. dropping resistor b, R3. time delay resistance, R4.Bang road resistance, R5. biasing resistor, R6. oscillation resistance, R7. drive resistance, R8. absorption resistance a, R9. absorption resistance b, C1. filtering capacitor a, C2. filtering capacitor b, C3. anti-interference condenser, C4. delay capacitor, C5. oscillating capacitor, C6. absorption capacitor a, C7. absorption capacitor b, V1. voltage stabilizing didoe, V2. pressure limiting diode, V3. isolating diode a, V4. isolating diode b, V5. isolating diode c, V6. isolating diode d, V7. absorption diode a, V8. absorption diode b, VT1. triode, VT2. field effect transistor, V+. working power, IC1. rectification integrated package, IC2. not gate a, IC3. not gate b, IC4. not gate c, IC5. not gate d, T. step-up transformer, SQ. the door switch of refrigerator, WQ. the temperature detect switch (TDS) of refrigerator, L1. the phase line of power supply, N. the zero line of power supply, A. power interface a, B. power interface b, F. gate interface, X1. low-voltage interface a, X2. low-voltage interface b, G1. high voltage interface a, G2. high voltage interface b, H. the illuminating lamp of refrigerator, M. micromachine, D1. electrode a, D2. electrode b.
Embodiment
embodimentin execution mode shown in accompanying drawing 1, a kind of deodorizing freshness keeper for refrigerator circuit being triggered by the information of closing the door is by power input interface, gate interface (F), rectification integrated package (IC1), filtering capacitor a(C1), dropping resistor (R1), filtering capacitor b(C2), voltage stabilizing didoe (V1), dropping resistor b(R2), pressure limiting diode (V2), isolating diode a(V3), isolating diode b(V4), time delay resistance (R3), delay capacitor (C4), not gate a(IC2), isolating diode c(V5), be close to road resistance (R4), anti-interference condenser (C3), not gate b(IC3), biasing resistor (R5), triode (VT1), isolating diode d(V6), oscillation resistance (R6), oscillating capacitor (C5), not gate c(IC4), not gate d(IC5), drive resistance (R7), field effect transistor (VT2), step-up transformer (T), low pressure output interface and High voltage output interface composition, wherein, power input interface comprises power interface a(A), power interface b(B), step-up transformer (T) comprises primary coil and secondary coil, and primary coil has line end a(1) and line end b(2) pick out, secondary coil has line end c(3) and line end d(4) pick out, low pressure output interface comprises low-voltage interface a(X1) and low-voltage interface b(X2), High voltage output interface comprises high voltage interface a(G1) and high voltage interface b(G2), pressure limiting diode (V2) selects voltage stabilizing didoe (V1) to equate that the voltage stabilizing didoe of voltage stabilizing value uses, two inputs of rectification integrated package (IC1) are connected respectively to power interface a(A) and power interface b(B), the positive pole of rectification integrated package (IC1) is connected to filtering capacitor a(C1) positive pole and the first pin of dropping resistor (R1), the crus secunda of dropping resistor (R1) and filtering capacitor b(C2) positive pole and the negative electrode of voltage stabilizing didoe (V1) form working power (V+) after being connected, the negative pole of rectification integrated package (IC1) and filtering capacitor a(C1) negative pole, filtering capacitor b(C2) negative pole and the anodic bonding of voltage stabilizing didoe (V1) after form ground wire, dropping resistor b(R2) the first pin be connected to gate interface (F), dropping resistor b(R2) crus secunda be connected to the negative electrode of pressure limiting diode (V2), isolating diode a(V3) anode and isolating diode b(V4) anode, the anodic bonding of pressure limiting diode (V2) is to ground wire, isolating diode a(V3) negative electrode be connected to the first pin of time delay resistance (R3), the positive pole of delay capacitor (C4) and not gate a(IC2) input, the negative pole of the crus secunda of time delay resistance (R3) and delay capacitor (C4) is connected to ground wire, not gate a(IC2) output be connected to isolating diode c(V5) anode, isolating diode c(V5) negative electrode and isolating diode b(V4) negative electrode be connected to not gate b(IC3) input, the first pin of the anodal He Bang road resistance (R4) of anti-interference condenser (C3), the crus secunda of the negative pole He Bang road resistance (R4) of anti-interference condenser (C3) is connected to ground wire, not gate b(IC3) output be connected to the crus secunda of biasing resistor (R5), the first pin of biasing resistor (R5) is connected to the base stage of triode (VT1), the emitter of triode (VT1) is connected to ground wire, the collector electrode of triode (VT1) is connected to low-voltage interface b(X2), low-voltage interface a(X1) be connected to working power (V+), the first pin of oscillation resistance (R6) is connected to the first pin of oscillating capacitor (C5), isolating diode d(V6) anode and not gate c(IC4) input, the crus secunda of oscillating capacitor (C5) is connected to ground wire, isolating diode d(V6) negative electrode be connected to not gate b(IC3) output, not gate c(IC4) output be connected to crus secunda and the not gate d(IC5 of oscillation resistance (R6)) input, not gate d(IC5) output by driving resistance (R7) to be connected to the grid of field effect transistor (VT2), the source electrode of field effect transistor (VT2) is connected to ground wire, the drain electrode of field effect transistor (VT2) is connected to the line end b(2 of step-up transformer (T) primary coil), the line end a(1 of step-up transformer (T) primary coil) be connected to the positive pole of rectification integrated package (IC1), the line end c(3 of step-up transformer (T) secondary coil), line end d(4) be connected respectively to high voltage interface a(G1), high voltage interface b(G2).In the present embodiment, between the drain electrode of being on the scene effect pipe (VT2) and source electrode, have absorption capacitor a(C6), absorption diode a(V7) and absorption resistance a(R8), absorption capacitor a(C6) the first pin be connected to the drain electrode of field effect transistor (VT2), absorption capacitor a(C6) crus secunda be connected to absorption diode a(V7) negative electrode and absorption resistance a(R8) the first pin, absorption diode a(V7) anode and absorption resistance a(R8) crus secunda be connected to the source electrode of field effect transistor (VT2), at the line end a(1 of step-up transformer (T) primary coil) and line end b(2) between have absorption resistance b(R9), absorption capacitor b(C7) and absorption diode b(V8), absorption resistance b(R9) the first pin and absorption capacitor b(C7) the first pin be connected to the line end a(1 of step-up transformer (T) primary coil), absorption resistance b(R9) crus secunda and absorption capacitor b(C7) crus secunda be connected to absorption diode b(V8) negative electrode, absorption diode b(V8) anodic bonding to the line end b(2 of step-up transformer (T) primary coil), the external load of low pressure output interface has micromachine (M), and micromachine (M) is direct current machine, low-voltage interface a(X1) be connected to the anode of micromachine (M), low-voltage interface b(X2) be connected to the negative terminal of micromachine (M), the external load of High voltage output interface is electrode a(D1) and electrode b(D2), electrode a(D1), electrode b(D2) be connected respectively to high voltage interface a(G1), high voltage interface b(G2), the lighting circuit that has door switch (SQ) and illuminating lamp (H) to form on refrigerator, lighting circuit has the phase line (L1) of power supply and the access of the zero line (N) of power supply, the phase line (L1) of power supply is connected to input and the power interface a(A of door switch (SQ)), the output of door switch (SQ) is connected to one end and the gate interface (F) of illuminating lamp (H), and the zero line (N) of power supply is connected to the other end and the power interface b(B of illuminating lamp (H)).In the present embodiment, not gate a(IC2), not gate b(IC3), not gate c(IC4) and not gate d(IC5) use cmos digital integrated circuit, specifically select six ungated integrated circuits of CC4069 model, two unnecessary not gates are parallel to not gate b(IC3) NOR gate d(IC5) upper use, the power end of ungated integrated circuit is connected to working power (V+), and the earth terminal of ungated integrated circuit is connected to ground wire; By determining that the set of time that the resistance of time delay resistance (R3) and the capacitance of delay capacitor (C4) stop time delay is 2-3 minute or longer time, then by determining dropping resistor b(R2) resistance to come be in 10 seconds set of time charged delay capacitor (C4), it is definite that the charging interval of time delay dwell time, delay capacitor (C4) is respectively pressed t=0.693RC; Be 25kHz by determining that the resistance of oscillation resistance (R6) and the capacitance of oscillating capacitor (C5) make the frequency of the higher-order of oscillation, press t=1.4 RC cycle of oscillation and determine; Be 8000-12000V by determining that the transformation of step-up transformer (T) recently makes the high-tension electricity of High voltage output interface output, in the time that the transformation ratio of step-up transformer (T) is 33, the high-tension electricity of High voltage output interface output is 10000V.
Above-described embodiment, as the support circuit of deodorizing freshness keeper for refrigerator, makes deodorizing freshness keeper for refrigerator energy automatic operation, realizes sterilization, deodorizing and preservation.Deodorizing freshness keeper for refrigerator is mainly by spiral air duct, spiral wind axis, electrical box, micromachine (M), electrode a(D1) and electrode b(D2) composition, wherein, the interior space of spiral air duct front portion forms electrion chamber, in spiral air duct after electrion chamber, space forms the air channel of bleeding, electrode a(D1) with electrode b(D2) on the relative wall body that is arranged on electrion chamber, electrode a(D1) and electrode b(D2) discharge end in electrion chamber, spiral wind axis is arranged on bleeds in air channel, motor support base is arranged on the top, right side of electrical box and is connected as a single entity with electrical box, micromachine (M) is arranged on motor support base, the rotating shaft of micromachine (M) is connected to the axle core rear end of spiral wind axis by shaft joint, the circuit of the present embodiment is arranged on circuit board, and circuit board is arranged in electrical box.The present embodiment utilizes electrode a(D1) and electrode b(D2) carry out corona discharge in electrion chamber, make air ionization, produce a large amount of anions and a certain amount of ozone, make micromachine (M) energising rotation simultaneously, the air-flow that drives the rotation of spiral wind axis to produce is diffused into anion indoor electrion and ozone in the refrigerating chamber of refrigerator, due to ozone is a kind of strong oxidizer, there is extremely strong sterilization and disinfective action, thereby energy deodorizing and elimination peculiar smell, and anion can not only deodorizing, can also suppress vegetables, the ageing of fruit internal and corruption, extend the holding time of food.
When the above embodiments are used, in the time that people open refrigerator doors and pick and place article and refrigerator doors is shut again, utilize and close gate signal and automatically trigger deodorizing freshness keeper for refrigerator work, then time delay 2-3 minute or longer time close automatically.Its operation principle is: in the time that people open refrigerator doors and pick and place food, door switch (SQ) closure, when the illuminating lamp (H) of refrigerator is lighted, high level is by dropping resistor b(R2), isolating diode a(V3) and isolating diode b(V4) be input to respectively not gate a(IC2) input and not gate b(IC3) input, make not gate b(IC3) output be low level, due to not gate a(IC2) input be connected to delay capacitor (C4), high level charges to delay capacitor (C4) simultaneously, make delay capacitor (C4) within the several seconds, fill electricity with, in the time that the charging of delay capacitor (C4) reaches the voltage of 2/3 working power (V+), make not gate a(IC2) output be low level, carry out to trigger and prepare, due at not gate a(IC2) output to not gate b(IC3) input between be connected to isolating diode c(V5), not gate b(IC3) high level of input can be to not gate a(IC2) output pour in down a chimney, therefore, after delay capacitor (C4) is charged, not gate b(IC3) output be still low level, late-class circuit keep do not work, when people pick and place after food, when refrigerator doors is closed, door switch (SQ) disconnects, when the illuminating lamp (H) of refrigerator extinguishes, not gate b(IC3) input be low level, not gate b(IC3) output be reversed to immediately high level, make late-class circuit work, in late-class circuit, the base stage of triode (VT1) by biasing resistor (R5) from not gate b(IC3) output obtain electric current, triode (VT1) conducting, makes micromachine (M) energising operation, drives the rotation of spiral wind axis, due to not gate b(IC3) output be high level, make oscillation resistance (R6), oscillating capacitor (C5) and not gate c(IC4) composition oscillating circuit normally work, not gate d(IC5) output just export high-frequency switching signal to the grid of field effect transistor (VT2), make field effect transistor (VT2) by frequency conducting and the cut-off of high-frequency oscillation signal, the secondary coil of step-up transformer (T) just produces high-tension electricity, high-tension electricity is applied to electrode a(D1 by High voltage output interface) and electrode b(D2) on, make electrode a(D1) and electrode b(D2) discharge end form corona discharge, make air ionization, produce anion and ozone, the air-flow that the rotation of spiral wind axis produces send anion and ozone in the refrigerating chamber of interior refrigerator, utilizes anion and ozone to carry out sterilization, sterilization, deodorizing and fresh-keeping.Through time delay 2-3 minute or longer time after, voltage on delay capacitor (C4) discharges to ground wire by time delay resistance (R3), when the voltage on delay capacitor (C4) is during lower than the voltage of 1/3 working power (V+), not gate a(IC2) output be high level, high level is by isolating diode c(V5) be input to not gate b(IC3) input, make not gate b(IC3) output be reversed to low level, not gate b(IC3) low level of output is by isolating diode d(V6) make not gate c(IC4) and input be clamped at low level, force oscillating circuit to quit work, not gate d(IC5) do not have oscillator signal to export, field effect transistor (VT2) is ended completely, the High voltage output interface of circuit does not have high-tension electricity output and makes electrode a(D1) and electrode b(D2) stop discharging, meanwhile, triode (VT1) cut-off, micromachine (M) power-off and stopping.After deodorizing freshness keeper for refrigerator quits work, by the next wait refrigerator open-action of closing the door, circuit is pressed said process repeated work, makes deodorizing freshness keeper for refrigerator realize sterilization, deodorizing and fresh-keeping function.
Claims (8)
1. the deodorizing freshness keeper for refrigerator circuit being triggered by the information of closing the door, it is characterized in that deodorizing freshness keeper for refrigerator circuit is by power input interface, gate interface (F), rectification integrated package (IC1), filtering capacitor a(C1), dropping resistor (R1), filtering capacitor b(C2), voltage stabilizing didoe (V1), dropping resistor b(R2), isolating diode a(V3), isolating diode b(V4), time delay resistance (R3), delay capacitor (C4), not gate a(IC2), isolating diode c(V5), not gate b(IC3), biasing resistor (R5), triode (VT1), isolating diode d(V6), oscillation resistance (R6), oscillating capacitor (C5), not gate c(IC4), not gate d(IC5), drive resistance (R7), field effect transistor (VT2), step-up transformer (T), low pressure output interface and High voltage output interface composition, wherein, power input interface comprises power interface a(A), power interface b(B), step-up transformer (T) comprises primary coil and secondary coil, and primary coil has line end a(1) and line end b(2) pick out, secondary coil has line end c(3) and line end d(4) pick out, low pressure output interface comprises low-voltage interface a(X1) and low-voltage interface b(X2), High voltage output interface comprises high voltage interface a(G1) and high voltage interface b(G2),
Two inputs of rectification integrated package (IC1) are connected respectively to power interface a(A) and power interface b(B), the positive pole of rectification integrated package (IC1) is connected to filtering capacitor a(C1) positive pole and the first pin of dropping resistor (R1), the crus secunda of dropping resistor (R1) and filtering capacitor b(C2) positive pole and the negative electrode of voltage stabilizing didoe (V1) form working power (V+) after being connected, the negative pole of rectification integrated package (IC1) and filtering capacitor a(C1) negative pole, filtering capacitor b(C2) negative pole and the anodic bonding of voltage stabilizing didoe (V1) after form ground wire,
Dropping resistor b(R2) the first pin be connected to gate interface (F), dropping resistor b(R2) crus secunda be connected to isolating diode a(V3) anode and isolating diode b(V4) anode, isolating diode a(V3) negative electrode be connected to the first pin of time delay resistance (R3), the positive pole of delay capacitor (C4) and not gate a(IC2) input, the negative pole of the crus secunda of time delay resistance (R3) and delay capacitor (C4) is connected to ground wire, not gate a(IC2) output be connected to isolating diode c(V5) anode, isolating diode c(V5) negative electrode and isolating diode b(V4) negative electrode be connected to not gate b(IC3) input, not gate b(IC3) output be connected to the crus secunda of biasing resistor (R5), the first pin of biasing resistor (R5) is connected to the base stage of triode (VT1), the emitter of triode (VT1) is connected to ground wire, the collector electrode of triode (VT1) is connected to low-voltage interface b(X2), low-voltage interface a(X1) be connected to working power (V+),
The first pin of oscillation resistance (R6) is connected to the first pin of oscillating capacitor (C5), isolating diode d(V6) anode and not gate c(IC4) input, the crus secunda of oscillating capacitor (C5) is connected to ground wire, isolating diode d(V6) negative electrode be connected to not gate b(IC3) output, not gate c(IC4) output be connected to crus secunda and the not gate d(IC5 of oscillation resistance (R6)) input, not gate d(IC5) output by driving resistance (R7) to be connected to the grid of field effect transistor (VT2), the source electrode of field effect transistor (VT2) is connected to ground wire, the drain electrode of field effect transistor (VT2) is connected to the line end b(2 of step-up transformer (T) primary coil), the line end a(1 of step-up transformer (T) primary coil) be connected to the positive pole of rectification integrated package (IC1), the line end c(3 of step-up transformer (T) secondary coil), line end d(4) be connected respectively to high voltage interface a(G1), high voltage interface b(G2).
2. a kind of deodorizing freshness keeper for refrigerator circuit being triggered by the information of closing the door according to claim 1, it is characterized in that at dropping resistor b(R2) crus secunda and ground wire between have pressure limiting diode (V2), the negative electrode of pressure limiting diode (V2) is connected to dropping resistor b(R2) crus secunda, the anodic bonding of pressure limiting diode (V2) is to ground wire.
3. a kind of deodorizing freshness keeper for refrigerator circuit being triggered by the information of closing the door according to claim 1, it is characterized in that at not gate b(IC3) input and ground wire between You Bang road resistance (R4) and anti-interference condenser (C3), be close to the first pin of road resistance (R4) and the positive pole of anti-interference condenser (C3) is connected to not gate b(IC3) input, be close to the crus secunda of road resistance (R4) and the negative pole of anti-interference condenser (C3) is connected to ground wire.
4. a kind of deodorizing freshness keeper for refrigerator circuit being triggered by the information of closing the door according to claim 1, it is characterized in that there is absorption capacitor a(C6 between the drain electrode of being on the scene effect pipe (VT2) and source electrode), absorption diode a(V7) and absorption resistance a(R8), absorption capacitor a(C6) the first pin be connected to the drain electrode of field effect transistor (VT2), absorption capacitor a(C6) crus secunda be connected to absorption diode a(V7) negative electrode and absorption resistance a(R8) the first pin, absorption diode a(V7) anode and absorption resistance a(R8) crus secunda be connected to the source electrode of field effect transistor (VT2).
5. a kind of deodorizing freshness keeper for refrigerator circuit being triggered by the information of closing the door according to claim 1, it is characterized in that the line end a(1 at step-up transformer (T) primary coil) and line end b(2) between have absorption resistance b(R9), absorption capacitor b(C7) and absorption diode b(V8), absorption resistance b(R9) the first pin and absorption capacitor b(C7) the first pin be connected to the line end a(1 of step-up transformer (T) primary coil), absorption resistance b(R9) crus secunda and absorption capacitor b(C7) crus secunda be connected to absorption diode b(V8) negative electrode, absorption diode b(V8) anodic bonding to the line end b(2 of step-up transformer (T) primary coil).
6. a kind of deodorizing freshness keeper for refrigerator circuit being triggered by the information of closing the door according to claim 1, the external load that it is characterized in that low pressure output interface has micromachine (M), micromachine (M) is direct current machine, low-voltage interface a(X1) be connected to the anode of micromachine (M), low-voltage interface b(X2) be connected to the negative terminal of micromachine (M).
7. a kind of deodorizing freshness keeper for refrigerator circuit being triggered by the information of closing the door according to claim 1, the external load that it is characterized in that High voltage output interface is electrode a(D1) and electrode b(D2), electrode a(D1), electrode b(D2) be connected respectively to high voltage interface a(G1), high voltage interface b(G2).
8. a kind of deodorizing freshness keeper for refrigerator circuit being triggered by the information of closing the door according to claim 1, it is characterized in that the lighting circuit that has door switch (SQ) and illuminating lamp (H) to form on refrigerator, lighting circuit has the phase line (L1) of power supply and the access of the zero line (N) of power supply, the phase line (L1) of power supply is connected to input and the power interface a(A of door switch (SQ)), the output of door switch (SQ) is connected to one end and the gate interface (F) of illuminating lamp (H), and the zero line (N) of power supply is connected to the other end and the power interface b(B of illuminating lamp (H)).
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