CN107726723A - A kind of refrigerator automatic deodorizing control system with bistable pressure processing - Google Patents
A kind of refrigerator automatic deodorizing control system with bistable pressure processing Download PDFInfo
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- CN107726723A CN107726723A CN201711091358.XA CN201711091358A CN107726723A CN 107726723 A CN107726723 A CN 107726723A CN 201711091358 A CN201711091358 A CN 201711091358A CN 107726723 A CN107726723 A CN 107726723A
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- positive pole
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0415—Treating air flowing to refrigeration compartments by purification by deodorizing
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of refrigerator automatic deodorizing control system with bistable pressure processing, it is characterized in that, mainly by process chip U2, current buffering protection circuit, diode rectifier U1, gas sensor QM, transformer T, triode VT1, polar capacitor C1, inductance L, voltage-regulator diode D2, polar capacitor C3, polar capacitor C9, anti-jamming circuit, the triode mu balanced circuit being serially connected between diode rectifier U1 cathode output end and process chip U2 VPOS pins, and it is serially connected in the multi resonant vibration triggers circuit composition between the Same Name of Ends of anti-jamming circuit and transformer T primary side inductance coils.The present invention can be sterilized to refrigerator, sterilized, deodorization automatically according to the peculiar smell concentration in the refrigerator detected by gas sensor QM, ensured that the present invention can effectively eliminate the peculiar smell in refrigerator, effectively inhibited the biochemical reaction of vegetables or fruit internal.
Description
Technical field
The present invention relates to a kind of deodorant for refregerator control system, is that a kind of pressed with bistable is handled specifically
Refrigerator automatic deodorizing control system.
Background technology
Traditional refrigerator is to adsorb the peculiar smell in refrigerator, but this deodorization side using the porous suction-operated of activated carbon
Method is frequently necessary to change activated carbon without bactericidal action, therefore it is using very inconvenient.With the development of science and technology, people open
Begin to carry out deodorization to refrigerator using ozone to substitute activated carbon.Ozone not only can be sterilized and be sterilized to refrigerator, and
The biochemical reaction of vegetables or fruit internal can also be suppressed, play certain preservation.
At present, light-illuminating of the deodorant for refregerator more when refrigerator doors are opened in case is controlled to by the way of on photoelectric receiving tube
The corona discharge of Deodorising processed, make air ionization and produce ozone, this control mode can not be to ice when refrigerator doors are not opened
Deodorization is carried out in case, and the control system also has the problem of voltage stability difference of output, cause peculiar smell in refrigerator not
It can in time be eliminated and be easily damaged with odor removal, so as to accelerate the biochemical reaction inside veterinary antibiotics.
Therefore it provides a kind of can carry out deodorization, the stable electricity of and can output to refrigerator automatically according to the peculiar smell in refrigerator
The deodorant for refregerator control system of pressure is the task of top priority.
The content of the invention
It is an object of the invention to overcome deodorant for refregerator control system of the prior art can neither be according to different in refrigerator
Taste carry out automatic deodorizing, and also exist output voltage stability difference the defects of, there is provided it is a kind of with bistable pressure processing
Refrigerator automatic deodorizing control system.
The present invention is achieved through the following technical solutions：A kind of refrigerator automatic deodorizing control system with bistable pressure processing
System, mainly by process chip U2, diode rectifier U1, gas sensor QM, transformer T, triode VT1, is serially connected in transformation
Current buffering protection circuit between the Same Name of Ends and non-same polarity of device T secondary inductance coils, is serially connected in diode rectifier U1
Cathode output end and process chip U2 VPOS pins between triode mu balanced circuit, after positive electrode resistance R1 with triode
The polar capacitor C1 that VT1 colelctor electrode is connected, negative pole is connected with gas sensor QM, one end and process chip U2 IN are managed
Inductance L, the N pole that pin is connected, the other end is connected with triode VT1 emitter stage is connected with process chip U2 VPOS pins
Connect, the voltage-regulator diode D2 that P poles are connected after resistance R4 with diode rectifier U1 cathode output end, positive pole and diode
The polarity that rectifier U1 cathode output end is connected, negative pole is grounded after being connected with diode rectifier U1 cathode output end
Electric capacity C3, positive pole is connected with the Same Name of Ends of transformer T secondary inductance coils, negative pole and transformer T secondary inductance coils it is non-
The polar capacitor C9 that Same Name of Ends is connected is non-with process chip U2 FDBK pins and transformer T primary side inductance coils respectively
The anti-jamming circuit that Same Name of Ends is connected, and be serially connected in anti-jamming circuit and transformer T primary side inductance coils Same Name of Ends it
Between multi resonant vibration triggers circuit composition；The GPOS pins of the process chip U2 are non-same with transformer T primary side inductance coils
End is connected name, its VPOS pin is connected with diode rectifier U1 cathode output end, its GND pin ground connection；The pole
Property electric capacity C1 positive pole is connected with process chip U2 IN pins.
The current buffering protection circuit is by FET MOS101, triode VT101, diode D101, one end and two
The inductance L101 that pole pipe D101 P poles are connected, the other end is connected with FET MOS101 grid, one end and field-effect
Pipe MOS101 source electrode is connected, resistance R101, the P pole of other end ground connection is connected with FET MOS101 drain electrode, N poles
The diode D102 being connected with triode VT101 base stage, positive pole is connected with triode VT101 emitter stage, negative pole connects
The polar capacitor C101 on ground, positive pole is connected with diode D101 N poles, negative pole is connected with triode VT101 colelctor electrode
Polar capacitor C102, positive pole be connected after adjustable resistance R102 with triode VT101 colelctor electrode negative pole ground connection polarity
Electric capacity C103, one end is connected with diode D101 N poles, the inductance that the other end is connected with polar capacitor C103 positive pole
L102, and the electricity that one end is connected with polar capacitor C103 positive pole, the other end is connected with polar capacitor C103 negative pole
Hinder R103 compositions；The P poles of the diode D101 are connected with the Same Name of Ends of transformer T secondary inductance coils；The field-effect
Pipe MOS101 grid is connected with the non-same polarity of transformer T secondary inductance coils；The positive pole of the polar capacitor C103 with
Negative pole is collectively forming the output end of current buffering protection circuit.
The triode mu balanced circuit is by triode VT6, triode VT7, triode VT8, and positive pole is after resistance R14 with three
Pole pipe VT6 base stage is connected, negative pole is used as the input of triode mu balanced circuit and defeated with diode rectifier U1 positive pole
Go out the polar capacitor C10 that end is connected, one end is connected with polar capacitor C10 positive pole, resistance R12, the P poles of other end ground connection
It is connected after resistance R13 with polar capacitor C10 positive pole, colelctor electrode of the N poles with triode VT7 after resistance R17 is connected
Diode D7, negative pole is connected after resistance R18 with triode VT7 colelctor electrode, positive pole and triode VT8 emitter stage phase
The polar capacitor C14 of connection, negative pole is connected with triode VT7 base stage, positive pole is connected with triode VT6 colelctor electrode
Polar capacitor C12, negative pole is connected after resistance R19 with triode VT8 base stage, positive pole and triode VT7 emitter stage phase
The polar capacitor C13 of connection, positive pole is connected after adjustable resistance R15 with triode VT6 emitter stage, the polarity of negative pole ground connection
Electric capacity C11, and P poles are connected after resistance R16 with polar capacitor C11 positive pole, N poles and triode VT8 colelctor electrode phase
The voltage-regulator diode D8 compositions of connection；The negative pole ground connection of the polar capacitor C14；The N poles of the voltage-regulator diode D8 are as three
The output end of pole pipe mu balanced circuit is simultaneously connected with process chip U2 VPOS pins.
The anti-jamming circuit is by triode VT2, triode VT3, NOT gate IC1, P pole after resistance R2 with process chip U2
FDBK pins be connected, the diode D1 that N poles are connected with triode VT2 colelctor electrode, negative pole after resistance R5 with three poles
Polar capacitor C5, the P pole that pipe VT2 emitter stage is connected, NAND gate IC1 backward end is connected after positive electrode resistance R6 and three poles
The diode D3 that pipe VT2 base stage is connected, N poles are grounded after being connected with polar capacitor C5 negative pole, positive pole is after resistance R7
It is connected with polar capacitor C5 positive pole, the polar capacitor C4 of negative pole ground connection, current collection of the positive pole after resistance R3 with triode VT3
The polar capacitor C2 that pole is connected, negative pole is connected with process chip U2 GPOS pins, and one end and triode VT3 hair
The adjustable resistance R8 compositions that emitter-base bandgap grading is connected, the other end is connected with polar capacitor C5 positive pole；The transmitting of the triode VT2
Pole NAND gate IC1 forward end is connected；The colelctor electrode of the triode VT3 is connected with polar capacitor C4 positive pole, its base
Pole is collectively forming the output end of anti-jamming circuit with polar capacitor C5 positive pole and is connected with multi resonant vibration triggers circuit.
The multi resonant vibrates triggers circuit by triode VT4, triode VT5, NOT gate IC2, NOT gate IC3, NOT gate IC4, field
Effect pipe MOS, positive pole is connected after resistance R9 with triode VT5 colelctor electrode, negative pole is connected with triode VT4 base stage
Polar capacitor C6, N pole be connected with triode VT5 emitter stage, two poles that P poles are connected with triode VT4 emitter stage
Pipe D5, the resistance R11 that one end is connected with triode VT5 emitter stage, NAND gate IC4 forward end is connected after the other end,
Polar capacitor C7, the N poles that negative pole NAND gate IC3 forward end is connected, positive pole is connected with triode VT5 base stage are through resistance
The diode D4 that NAND gate IC2 backward end is connected after R10, P poles are connected with polar capacitor C6 positive pole, positive pole NAND gate
The polar capacitor C8 that IC4 backward end is connected, negative pole is connected with FET MOS grid, and P poles and FET
The voltage-regulator diode D6 compositions that MOS source electrode is connected, N poles are connected with the Same Name of Ends of transformer T primary side inductance coils；It is described
Polar capacitor C6 positive pole is connected with triode VT3 base stage；The colelctor electrode and polar capacitor C5 of the triode VT4 is just
Pole is connected；NAND gate IC2 forward end is connected the forward end of the NOT gate IC3 with NOT gate IC4 forward end respectively, its is anti-
To end, then NAND gate IC2 backward end is connected with NOT gate IC4 backward end respectively；The grounded drain of the FET MOS.
For the practical effect of the present invention, the process chip U2 is then preferentially realized using AD603 integrated chips.
The present invention compared with prior art, has advantages below and beneficial effect：
(1) present invention can go out to refrigerator automatically according to the peculiar smell concentration in the refrigerator detected by gas sensor QM
Bacterium, sterilization, deodorization, ensure that the present invention can effectively eliminate the peculiar smell in refrigerator, effectively inhibit vegetables or fruit
Internal biochemical reaction.
(2) the current buffering protection circuit that the present invention is set can utilize the characteristic suppression input electricity that inductive current can not be mutated
The climbing of stream, the characteristic that can not be mutated using capacitance voltage suppress the climbing of the voltage of input, the circuit and by inductance
It can preferably prevent high current by ensuring that the present invention can export stable voltage electricity after being concatenated with diode
Stream, the stability that refrigerator carries out odor removal work is effectively raised, extend refrigerator well and carry out making for odor removal
Use the life-span.
(3) present invention can export constant voltage and current, make output voltage and electric current consistent with reference voltage electric current, from
And improve the present invention can control Deodorising it is stable deodorization is carried out to refrigerator.
(4) present invention can be eliminated or suppressed to the electromagnetic interference of voltage, is improved the pulse value of output voltage, is made output
Voltage and current keeps stable, so as to improve the stability that present invention control Deodorising carries out deodorization to refrigerator.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the electrical block diagram of the triode mu balanced circuit of the present invention.
Fig. 3 is the electrical block diagram of the current buffering protection circuit of the present invention.
Embodiment
The present invention is described in further detail with reference to embodiment and its accompanying drawing, but embodiments of the present invention are not
It is limited to this.
Embodiment
As shown in figure 1, the present invention is mainly by process chip U2, diode rectifier U1, gas sensor QM, transformer T,
Current buffering protection circuit, triode VT1, resistance R1, resistance R4, polar capacitor C1, polar capacitor C3, polar capacitor C9, surely
Press diode D2, inductance L, triode mu balanced circuit, anti-jamming circuit, and multi resonant vibration triggers circuit composition.
During connection, current buffering protection circuit be serially connected in the Same Name of Ends of transformer T secondary inductance coils and non-same polarity it
Between.Triode mu balanced circuit is serially connected between diode rectifier U1 cathode output end and process chip U2 VPOS pins.
It is connected after polar capacitor C1 positive electrode resistance R1 with triode VT1 colelctor electrode, its negative pole is connected with gas sensor QM.
Inductance L one end is connected with process chip U2 IN pins, its other end is connected with triode VT1 emitter stage.Voltage stabilizing
Diode D2 N poles are connected with process chip U2 VPOS pins, its P pole is negative with diode rectifier U1 after resistance R4
Pole output end is connected.
Meanwhile polar capacitor C3 positive pole is connected with diode rectifier U1 cathode output end, its negative pole and two poles
Pipe rectifier U1 cathode output end is grounded after being connected.Polar capacitor C9 positive pole is same with transformer T secondary inductance coils
End is connected name, its negative pole is connected with the non-same polarity of transformer T secondary inductance coils.Anti-jamming circuit respectively with processing
Chip U2 FDBK pins are connected with the non-same polarity of transformer T primary side inductance coils.Multi resonant vibration triggers circuit is serially connected in
Between the Same Name of Ends of anti-jamming circuit and transformer T primary side inductance coils.
The GPOS pins of the process chip U2 are connected with the non-same polarity of transformer T primary side inductance coils, its VPOS
Pin is connected with diode rectifier U1 cathode output end, its GND pin ground connection；The positive pole of the polar capacitor C1 and place
Reason chip U2 IN pins are connected；The Same Name of Ends and non-same polarity of the transformer T secondary inductance coils respectively with Deodorising
It is connected；The input of the diode rectifier U1 is connected with external power source.
Further, the anti-jamming circuit is by triode VT2, triode VT3, NOT gate IC1, resistance R2, resistance R3, electricity
R5, resistance R6, resistance R7, adjustable resistance R8, polar capacitor C2, polar capacitor C4, polar capacitor C5, diode D1 are hindered, and
Diode D3 is formed.
During connection, diode D1 P poles are connected after resistance R2 with process chip U2 FDBK pins, its N pole and three
Pole pipe VT2 colelctor electrode is connected.Polar capacitor C5 negative pole is connected after resistance R5 with triode VT2 emitter stage, it
NAND gate IC1 backward end is connected after positive electrode resistance R6.Diode D3 P poles are connected with triode VT2 base stage, its N
Pole is grounded after being connected with polar capacitor C5 negative pole.Positive pole of the polar capacitor C4 positive pole after resistance R7 with polar capacitor C5
It is connected, its negative pole ground connection.Polar capacitor C2 positive pole is connected after resistance R3 with triode VT3 colelctor electrode, its negative pole
It is connected with process chip U2 GPOS pins.Adjustable resistance R8 one end is connected with triode VT3 emitter stage, its is another
End is connected with polar capacitor C5 positive pole.
The emitter stage NAND gate IC1 of triode VT2 forward end is connected；The colelctor electrode of the triode VT3 with
Polar capacitor C4 positive pole is connected, its base stage and polar capacitor C5 positive pole be collectively forming anti-jamming circuit output end and with
Multi resonant vibration triggers circuit is connected.
Further, multi resonant vibration triggers circuit is by triode VT4, triode VT5, NOT gate IC2, NOT gate IC3,
NOT gate IC4, FET MOS, resistance R9, resistance R10, resistance R11, polar capacitor C6, polar capacitor C7, polar capacitor C8,
Diode D4, diode D5, and voltage-regulator diode D6 compositions.
During connection, polar capacitor C6 positive pole is connected after resistance R9 with triode VT5 colelctor electrode, its negative pole and three
Pole pipe VT4 base stage is connected.Diode D5 N poles are connected with triode VT5 emitter stage, its P pole is with triode VT4's
Emitter stage is connected.Resistance R11 one end is connected with triode VT5 emitter stage, after its other end NAND gate IC4 forward direction
End is connected.Polar capacitor C7 negative pole NAND gate IC3 forward end is connected, its positive pole is connected with triode VT5 base stage
Connect.Diode D4 N poles NAND gate IC2 backward end after resistance R10 is connected, its P pole and polar capacitor C6 positive pole phase
Connection.Polar capacitor C8 positive pole NAND gate IC4 backward end is connected, its negative pole is connected with FET MOS grid.
Voltage-regulator diode D6 P poles are connected with FET MOS source electrode, the Same Name of Ends of its N pole and transformer T primary side inductance coils
It is connected.
The positive pole of the polar capacitor C6 is connected with triode VT3 base stage；The colelctor electrode of the triode VT4 and pole
Property electric capacity C5 positive pole is connected；The forward end difference NAND gate IC2 forward end and NOT gate IC4 forward direction of the NOT gate IC3
End is connected, then NAND gate IC2 backward end is connected its backward end with NOT gate IC4 backward end respectively；The FET
MOS grounded drain.
As shown in Fig. 2 the triode mu balanced circuit is by triode VT6, triode VT7, triode VT8, resistance R12,
Resistance R13, resistance R14, adjustable resistance R15, resistance R16, resistance R17, resistance R18, resistance R19, polar capacitor C10, polarity
Electric capacity C11, polar capacitor C12, polar capacitor C13, polar capacitor C14, diode D7, and voltage-regulator diode D8 compositions.
During connection, polar capacitor C10 positive pole is connected after resistance R14 with triode VT6 base stage, its negative pole conduct
The input of triode mu balanced circuit is simultaneously connected with diode rectifier U1 cathode output end.Resistance R12 one end and pole
Property electric capacity C10 positive pole be connected, its other end ground connection.Diode D7 P poles after resistance R13 with polar capacitor C10 just
Pole is connected, its colelctor electrode of N poles with triode VT7 after resistance R17 is connected.Polar capacitor C14 negative pole is through resistance R18
It is connected afterwards with triode VT7 colelctor electrode, its positive pole is connected with triode VT8 emitter stage.
Meanwhile polar capacitor C12 negative pole is connected with triode VT7 base stage, the current collection of its positive pole and triode VT6
Pole is connected.Polar capacitor C13 negative pole is connected after resistance R19 with triode VT8 base stage, its positive pole and triode
VT7 emitter stage is connected.Polar capacitor C11 positive pole is connected after adjustable resistance R15 with triode VT6 emitter stage,
Its negative pole is grounded.Voltage-regulator diode D8 P poles are connected after resistance R16 with polar capacitor C11 positive pole, its N pole and three poles
Pipe VT8 colelctor electrode is connected.The negative pole ground connection of the polar capacitor C14；The N poles of the voltage-regulator diode D8 are as triode
The output end of mu balanced circuit is simultaneously connected with process chip U2 VPOS pins.
As shown in figure 3, the current buffering protection circuit is by FET MOS101, triode VT101, diode
D101, diode D102, polar capacitor C101, polar capacitor C102, polar capacitor C103, resistance R101, adjustable resistance R102,
Resistance R103, inductance L101, and inductance L102 compositions.
During connection, inductance L101 one end is connected with diode D101 P poles, the other end and FET MOS101
Grid is connected.Resistance R101 one end is connected with FET MOS101 source electrode, other end ground connection.Diode D102's
P poles are connected with FET MOS101 drain electrode, N poles are connected with triode VT101 base stage.Polar capacitor C101 is just
Pole is connected with triode VT101 emitter stage, negative pole ground connection.
Wherein, polar capacitor C102 positive pole be connected with diode D101 N poles, negative pole and triode VT101 collection
Electrode is connected.Polar capacitor C103 positive pole is connected negative pole after adjustable resistance R102 with triode VT101 colelctor electrode
Ground connection.Inductance L102 one end is connected with diode D101 N poles, the other end is connected with polar capacitor C103 positive pole.
Resistance R103 one end is connected with polar capacitor C103 positive pole, the other end is connected with polar capacitor C103 negative pole.
The P poles of the diode D101 are connected with the Same Name of Ends of transformer T secondary inductance coils；The FET
MOS101 grid is connected with the non-same polarity of transformer T secondary inductance coils；The positive pole of the polar capacitor C103 is with bearing
Pole is collectively forming the output end of current buffering protection circuit and is connected with Deodorising, and operating voltage is provided for Deodorising.
During the current buffering protection circuit carrying out practically, resonant inductance L102 goes here and there as resonant inductance and diode D101
Connection, to realize the Zero Current Switch of the zero current turning-on of switching tube and diode D102, electric capacity C102 is used for realizing switching tube
Zero Current Switch, electric capacity C103 are used for changing energy.Diode D102 is used for realizing FET MOS101 and triode VT101
Between energy conversion.The characteristic that the current buffering circuit can not be mutated using inductance L101 electric currents suppresses diode D2 N poles
The climbing of the positive electricity electrode current of output, using polar capacitor C102, in diode D101 curent change, electric current can not be mutated
Characteristic suppress input electric current climbing, while by adjusting adjustable resistance R102 resistance, make on polar capacitor C103
Electric current remain stable state, ensuring that the control system of the present invention, to provide work stably for Deodorising electric
Stream.
During implementation, for the practical effect of the present invention, the gas sensor QM then preferentially employs XSAV12801 gas
Dependent sensor realizes that gas sensor QM is transferred to after the peculiar smell concentration information detected in refrigerator is converted into electric signal
Process chip U2, process chip U2 then enter according to the power of the electric signal to receiving with the baseline signal value in process chip U2
Row compares, so as to obtain the concentration value of peculiar smell in refrigerator, when the peculiar smell concentration value in refrigerator is too high, and process chip U2 output electricity
Signal, triode VT2 conductings ,+6V voltages are transferred to NOT gate IC1 through triode VT2, through NOT gate IC1 paraphase, export low level,
Triode VT3 conductings bleed off the electric charge on polar capacitor C5, triode VT4 conducting output high level, diode D5 cut-offs, by non-
The multi-resonant trigger starting of oscillation of door IC2 and NOT gate IC3 and NOT gate IC4 compositions, 1890Hz square wave is produced, wherein, NOT gate IC2
It is parallel connection buffer output stage with NOT gate IC3 and NOT gate IC4, square-wave signal is transferred to FET after being filtered by polar capacitor C8
MOS grid, export high-voltage pulse through transformer T after being amplified by FET MOS and give current buffering protection circuit, the electric current delays
The characteristic that rushing protection circuit can not be mutated using inductive current suppresses the climbing of input current, can not be mutated using capacitance voltage
Characteristic suppress input voltage climbing, the circuit and can preferably prevent height after inductance is concatenated with diode
Electric current is by so as to which current buffering protection circuit provides stable voltage and current for Deodorising.Now, Deodorising starts work
Make, refrigerator is sterilized, sterilized, deodorization, and the biochemical reaction inside veterinary antibiotics is suppressed.When process chip U2 is obtained
To the gas sensor QM peculiar smell concentration values that detect in refrigerator be less than baseline signal value when, process chip U will not then be exported
Electric signal, triode VT2 then disconnect, and Deodorising then must not be electric, and stopping is sterilized to refrigerator, sterilized, deodorization.
Meanwhile the present invention can export constant voltage and current, make output voltage and electric current consistent with reference voltage electric current,
So as to improve the present invention can control Deodorising it is stable deodorization is carried out to refrigerator.The present invention can be carried out to the electromagnetic interference of voltage
Eliminate or suppress, improve the pulse value of output voltage, output voltage and electric current is kept stable, so as to improve control of the present invention
Deodorising carries out the stability of deodorization to refrigerator.For the practical effect of the present invention, the process chip U2 is then preferentially adopted
Realized with AD603 integrated chips.
According to above-described embodiment, you can realize the present invention well.
Claims (5)
- A kind of 1. refrigerator automatic deodorizing control system with bistable pressure processing, it is characterised in that mainly by process chip U2, two Pole pipe rectifier U1, gas sensor QM, transformer T, triode VT1, it is serially connected in the Same Name of Ends of transformer T secondary inductance coils Current buffering protection circuit between non-same polarity, it is serially connected in diode rectifier U1 cathode output end and process chip U2 VPOS pins between triode mu balanced circuit, be connected with triode VT1 colelctor electrode after positive electrode resistance R1, negative pole and gas The polar capacitor C1 that dependent sensor QM is connected, one end is connected with process chip U2 IN pins, the other end and triode VT1 Inductance L, the N pole that is connected of emitter stage be connected with process chip U2 VPOS pins, P poles it is whole with diode after resistance R4 The voltage-regulator diode D2 that stream device U1 cathode output end is connected, positive pole are connected with diode rectifier U1 cathode output end Connect, the polar capacitor C3 that negative pole is grounded after being connected with diode rectifier U1 cathode output end, positive pole and transformer T secondary The polar capacitor C9 that the Same Name of Ends of inductance coil is connected, negative pole is connected with the non-same polarity of transformer T secondary inductance coils, The anti-jamming circuit being connected respectively with process chip U2 FDBK pins and the non-same polarity of transformer T primary side inductance coils, And it is serially connected in the multi resonant vibration triggers circuit composition between the Same Name of Ends of anti-jamming circuit and transformer T primary side inductance coils； The GPOS pins of the process chip U2 are connected with the non-same polarity of transformer T primary side inductance coils, its VPOS pin and two Pole pipe rectifier U1 cathode output end is connected, its GND pin ground connection；The positive pole of the polar capacitor C1 and process chip U2 IN pins be connected；The current buffering protection circuit is by FET MOS101, triode VT101, diode D101, one end and diode The inductance L101 that D101 P poles are connected, the other end is connected with FET MOS101 grid, one end and FET MOS101 source electrode is connected, the other end ground connection resistance R101, P pole be connected with FET MOS101 drain electrode, N poles and The diode D102 that triode VT101 base stage is connected, positive pole is connected with triode VT101 emitter stage, negative pole ground connection Polar capacitor C101, positive pole is connected with diode D101 N poles, negative pole is connected with triode VT101 colelctor electrode Polar capacitor C102, positive pole be connected after adjustable resistance R102 with triode VT101 colelctor electrode negative pole ground connection polarity electricity Hold C103, one end is connected with diode D101 N poles, the inductance that the other end is connected with polar capacitor C103 positive pole L102, and the electricity that one end is connected with polar capacitor C103 positive pole, the other end is connected with polar capacitor C103 negative pole Hinder R103 compositions；The P poles of the diode D101 are connected with the Same Name of Ends of transformer T secondary inductance coils；The field-effect Pipe MOS101 grid is connected with the non-same polarity of transformer T secondary inductance coils；The positive pole of the polar capacitor C103 with Negative pole is collectively forming the output end of current buffering protection circuit.
- A kind of 2. refrigerator automatic deodorizing control system with bistable pressure processing according to claim 1, it is characterised in that The triode mu balanced circuit by triode VT6, triode VT7, triode VT8, positive pole after resistance R14 with triode VT6 Base stage be connected, negative pole as triode mu balanced circuit input and be connected with diode rectifier U1 cathode output end The polar capacitor C10 connect, one end is connected with polar capacitor C10 positive pole, resistance R12, the P poles of other end ground connection are through resistance It is connected after R13 with polar capacitor C10 positive pole, two poles that N poles are connected after resistance R17 with triode VT7 colelctor electrode Pipe D7, negative pole is connected after resistance R18 with triode VT7 colelctor electrode, positive pole is connected with triode VT8 emitter stage Polar capacitor C14, the polarity electricity that negative pole is connected with triode VT7 base stage, positive pole is connected with triode VT6 colelctor electrode Hold C12, negative pole is connected after resistance R19 with triode VT8 base stage, positive pole is connected with triode VT7 emitter stage Polar capacitor C13, positive pole is connected after adjustable resistance R15 with triode VT6 emitter stage, the polar capacitor of negative pole ground connection C11, and P poles are connected after resistance R16 with polar capacitor C11 positive pole, N poles are connected with triode VT8 colelctor electrode Voltage-regulator diode D8 composition；The negative pole ground connection of the polar capacitor C14；The N poles of the voltage-regulator diode D8 are as triode The output end of mu balanced circuit is simultaneously connected with process chip U2 VPOS pins.
- A kind of 3. refrigerator automatic deodorizing control system with bistable pressure processing according to claim 2, it is characterised in that The anti-jamming circuit is managed by triode VT2, triode VT3, NOT gate IC1, P pole after resistance R2 with process chip U2 FDBK The diode D1 that pin is connected, N poles are connected with triode VT2 colelctor electrode, hair of the negative pole after resistance R5 with triode VT2 Polar capacitor C5, the P pole that emitter-base bandgap grading is connected, NAND gate IC1 backward end is connected after positive electrode resistance R6 and triode VT2 base The diode D3 that pole is connected, N poles are grounded after being connected with polar capacitor C5 negative pole, positive pole after resistance R7 with polar capacitor C5 positive pole is connected, the polar capacitor C4 of negative pole ground connection, positive pole is connected after resistance R3 with triode VT3 colelctor electrode, The polar capacitor C2 that negative pole is connected with process chip U2 GPOS pins, and one end are connected with triode VT3 emitter stage Connect, the adjustable resistance R8 compositions that the other end is connected with polar capacitor C5 positive pole；The emitter stage NAND gate of the triode VT2 IC1 forward end is connected；The colelctor electrode of the triode VT3 is connected with polar capacitor C4 positive pole, its base stage and polarity Electric capacity C5 positive pole is collectively forming the output end of anti-jamming circuit and is connected with multi resonant vibration triggers circuit.
- A kind of 4. refrigerator automatic deodorizing control system with bistable pressure processing according to claim 3, it is characterised in that The multi resonant vibrates triggers circuit by triode VT4, triode VT5, NOT gate IC2, NOT gate IC3, NOT gate IC4, FET MOS, the polarity that positive pole is connected after resistance R9 with triode VT5 colelctor electrode, negative pole is connected with triode VT4 base stage Electric capacity C6, N pole is connected with triode VT5 emitter stage, P poles are connected with triode VT4 emitter stage diode D5, one End be connected with triode VT5 emitter stage, the resistance R11 that NAND gate IC4 forward end is connected after the other end, negative pole with it is non- Door IC3 forward end is connected, polar capacitor C7, N pole that positive pole is connected with triode VT5 base stage after resistance R10 with The diode D4 that NOT gate IC2 backward end is connected, P poles are connected with polar capacitor C6 positive pole, positive pole NAND gate IC4's is anti- It is connected to end, the polar capacitor C8 that negative pole is connected with FET MOS grid, and P poles and FET MOS source The voltage-regulator diode D6 compositions that pole is connected, N poles are connected with the Same Name of Ends of transformer T primary side inductance coils；The polarity electricity The positive pole for holding C6 is connected with triode VT3 base stage；The colelctor electrode of the triode VT4 is connected with polar capacitor C5 positive pole Connect；The forward end of the NOT gate IC3 respectively NAND gate IC2 forward end be connected with NOT gate IC4 forward end, its backward end then NAND gate IC2 backward end is connected with NOT gate IC4 backward end respectively；The grounded drain of the FET MOS.
- A kind of 5. refrigerator automatic deodorizing control system with bistable pressure processing according to claim 4, it is characterised in that The process chip U2 is AD603 integrated chips.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711091358.XA CN107726723A (en) | 2017-11-08 | 2017-11-08 | A kind of refrigerator automatic deodorizing control system with bistable pressure processing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711091358.XA CN107726723A (en) | 2017-11-08 | 2017-11-08 | A kind of refrigerator automatic deodorizing control system with bistable pressure processing |
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| CN107726723A true CN107726723A (en) | 2018-02-23 |
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| CN201711091358.XA Pending CN107726723A (en) | 2017-11-08 | 2017-11-08 | A kind of refrigerator automatic deodorizing control system with bistable pressure processing |
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Application publication date: 20180223 |