CN203984381U - The deodorizing freshness keeper for refrigerator circuit being triggered by the information of closing the door - Google Patents
The deodorizing freshness keeper for refrigerator circuit being triggered by the information of closing the door Download PDFInfo
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- CN203984381U CN203984381U CN201420435828.5U CN201420435828U CN203984381U CN 203984381 U CN203984381 U CN 203984381U CN 201420435828 U CN201420435828 U CN 201420435828U CN 203984381 U CN203984381 U CN 203984381U
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Abstract
A kind of deodorizing freshness keeper for refrigerator circuit being triggered by the information of closing the door, relate to a kind of freezer deodorizing device circuit, by power input interface, gate interface, rectification integrated package, dropping resistor, filtering capacitor, voltage stabilizing didoe, isolating diode, time delay resistance, delay capacitor, ungated integrated circuit, biasing resistor, triode, oscillation resistance, oscillating capacitor, drive resistance, field effect transistor, step-up transformer, low pressure output interface and High voltage output interface form, step-up transformer comprises primary coil and secondary coil, primary coil has line end a and line end b to pick out, secondary coil has line end c and line end d to pick out, low pressure output interface comprises low-voltage interface a and low-voltage interface b, and High voltage output interface comprises high voltage interface a and high voltage interface b.The utility model utilizes the information that refrigerator is closed the door to send out the work of deodorizing and fresh-keeping device from movable contact, and anion and ozone can not run off, and make deodorizing freshness keeper for refrigerator can realize sterilization, deodorizing and fresh-keeping function.
Description
Technical field
The utility model relates to electronic circuit, specially refers 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, the air-flow producing while then being rotated by spiral wind axis is diffused into the indoor anion of 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 utility model can realize the sterilization of refrigerator, deodorizing and fresh-keeping function.
Utility model content
The purpose of this utility model 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 utility model, 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 form, 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, after the anodic bonding of negative pole filtering capacitor b(C2) and voltage stabilizing didoe (V1), form ground wire, dropping resistor b(R2) the first pin is connected to gate interface (F), dropping resistor b(R2) crus secunda is connected to isolating diode a(V3) anode and isolating diode b(V4) anode, isolating diode a(V3) negative electrode is 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 is 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 is 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 is connected to not gate b(IC3) output, not gate c(IC4) output is connected to crus secunda and the not gate d(IC5 of oscillation resistance (R6)) input, not gate d(IC5) output is 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 utility model, 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 is used, 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 is connected to the drain electrode of field effect transistor (VT2), absorption capacitor a(C6) crus secunda is 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), 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 is 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 of power supply (L1) 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 of power supply (N) is connected to the other end and the power interface b(B of illuminating lamp (H)).
The utility model, 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) form, 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 utility model is arranged on circuit board, and circuit board is arranged in electrical box.The utility model utilizes electrode a(D1) and electrode b(D2) in electrion chamber, carry out corona discharge, 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 the indoor anion of 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 utility model is used, when 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: when 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, when 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 is still low level, and late-class circuit keeps not working, 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 is 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) oscillating circuit that forms normally works, not gate d(IC5) output is just exported 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), voltage on delay capacitor (C4) is during lower than the voltage of 1/3 working power (V+), not gate a(IC2) output is 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) input be clamped at low level, force oscillating circuit to quit work, not gate d(IC5) there is no oscillator signal output, 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 refrigerator open of the wait-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 utility model 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 utility model, 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 the charged set of time of delay capacitor (C4), it is definite that the charging interval of time delay dwell time, delay capacitor (C4) is respectively pressed t=0.693RC; 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, be 25kHz, press t=1.4 RC cycle of oscillation and determine; By determining that the transformation of step-up transformer (T) recently makes the high-tension electricity of High voltage output interface output, be 8000-12000V, when 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 utility model, 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 utility model simple, and reliable operation.
The beneficial effects of the utility model are: 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 utility model 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 run off, and be convenient for people to use.
Accompanying drawing explanation
Accompanying drawing 1 is the deodorizing freshness keeper for refrigerator circuit diagram being triggered by the information of closing the door of the present utility model.
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 form, and 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 is used, 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, after the anodic bonding of negative pole filtering capacitor b(C2) and voltage stabilizing didoe (V1), form ground wire, dropping resistor b(R2) the first pin is connected to gate interface (F), dropping resistor b(R2) crus secunda is 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 is 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 is 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 is 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 is connected to not gate b(IC3) output, not gate c(IC4) output is connected to crus secunda and the not gate d(IC5 of oscillation resistance (R6)) input, not gate d(IC5) output is 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 is connected to the drain electrode of field effect transistor (VT2), absorption capacitor a(C6) crus secunda is 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), 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 is 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 of power supply (L1) 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 of power supply (N) 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 the charged set of time of delay capacitor (C4), it is definite that the charging interval of time delay dwell time, delay capacitor (C4) is respectively pressed t=0.693RC; 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, be 25kHz, press t=1.4 RC cycle of oscillation and determine; By determining that the transformation of step-up transformer (T) recently makes the high-tension electricity of High voltage output interface output, be 8000-12000V, when 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) form, 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) in electrion chamber, carry out corona discharge, 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 the indoor anion of 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, when 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: when 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, when 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 is still low level, and late-class circuit keeps not working, 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 is 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) oscillating circuit that forms normally works, not gate d(IC5) output is just exported 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), voltage on delay capacitor (C4) is during lower than the voltage of 1/3 working power (V+), not gate a(IC2) output is 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) input be clamped at low level, force oscillating circuit to quit work, not gate d(IC5) there is no oscillator signal output, 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 refrigerator open of the wait-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 form, 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, after the anodic bonding of negative pole filtering capacitor b(C2) and voltage stabilizing didoe (V1), form ground wire,
Dropping resistor b(R2) the first pin is connected to gate interface (F), dropping resistor b(R2) crus secunda is connected to isolating diode a(V3) anode and isolating diode b(V4) anode, isolating diode a(V3) negative electrode is 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 is 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 is 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 is connected to not gate b(IC3) output, not gate c(IC4) output is connected to crus secunda and the not gate d(IC5 of oscillation resistance (R6)) input, not gate d(IC5) output is 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 is connected to the drain electrode of field effect transistor (VT2), absorption capacitor a(C6) crus secunda is 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 is 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 of power supply (L1) 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 of power supply (N) is connected to the other end and the power interface b(B of illuminating lamp (H)).
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| CN201420435828.5U CN203984381U (en) | 2014-08-05 | 2014-08-05 | The deodorizing freshness keeper for refrigerator circuit being triggered by the information of closing the door |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104184442A (en) * | 2014-08-05 | 2014-12-03 | 衢州迪升工业设计有限公司 | Refrigerator deodorizing fresh-keeping device circuit triggered by door-closing information |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104184442A (en) * | 2014-08-05 | 2014-12-03 | 衢州迪升工业设计有限公司 | Refrigerator deodorizing fresh-keeping device circuit triggered by door-closing information |
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Granted publication date: 20141203 Termination date: 20180805 |