CN107728699A - A kind of refrigerator with pulse regulation electric current buffer-type automatic deodorizing control system - Google Patents
A kind of refrigerator with pulse regulation electric current buffer-type automatic deodorizing control system Download PDFInfo
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- CN107728699A CN107728699A CN201711090825.7A CN201711090825A CN107728699A CN 107728699 A CN107728699 A CN 107728699A CN 201711090825 A CN201711090825 A CN 201711090825A CN 107728699 A CN107728699 A CN 107728699A
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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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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/569—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for protection
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a kind of refrigerator with pulse regulation electric current buffer-type automatic deodorizing control system, 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 pulse control circuit being serially connected between the non-same polarity of anti-jamming circuit and 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 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 process of vegetables or fruit internal.
Description
Technical field
The present invention relates to a kind of deodorant for refregerator control system, is a kind of ice with pulse regulation specifically
Case electric current buffer-type 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 a kind of ice with pulse regulation
Case electric current buffer-type automatic deodorizing control system.
The present invention is achieved through the following technical solutions：A kind of refrigerator with pulse regulation is removed automatically with electric current buffer-type
Smelly control system, mainly by process chip U2, diode rectifier U1, gas sensor QM, transformer T, triode VT1, string
The current buffering protection circuit being connected between the Same Name of Ends and non-same polarity of transformer T secondary inductance coils, after positive electrode resistance R1
It is connected with triode VT1 colelctor electrode, the polar capacitor C1 that negative pole is connected with gas sensor QM, one end and process chip
Inductance L, the N pole that U2 IN pins are connected, the other end is connected with triode VT1 emitter stage and process chip U2 VPOS
The voltage-regulator diode D2 that pin is connected, P poles are connected after resistance R4 with diode rectifier U1 cathode output end, positive pole
It is connected with diode rectifier U1 cathode output end, negative pole is connected with diode rectifier U1 cathode output end and is followed by
The polar capacitor C3 on ground, positive pole is connected with the Same Name of Ends of transformer T secondary inductance coils, negative pole and transformer T secondary inductances
The polar capacitor C9 that the non-same polarity of coil is connected, the anti-jamming circuit being connected with process chip U2 FDBK pins, string
The pulse control circuit being connected between the non-same polarity of anti-jamming circuit and transformer T primary side inductance coils, and be serially connected in anti-
Disturb the multi resonant vibration triggers circuit composition between circuit and the Same Name of Ends of transformer T primary side inductance coils；The process chip
U2 GPOS pins are connected with the non-same polarity of transformer T primary side inductance coils, its VPOS pin and diode rectifier U1
Cathode output end be connected, its GND pin ground connection；The positive pole of the polar capacitor C1 is connected with process chip U2 IN pins
Connect.
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 pulse control circuit by amplifier P1, amplifier P2, triode VT6, triode VT7, photoelectrical coupler DS,
It is connected after positive electrode resistance R13 with amplifier P1 negative pole, negative pole is sequentially after resistance R14 and resistance R16 with amplifier P2's
Polar capacitor C11, the N pole that output end is connected is connected with photoelectrical coupler DS first input end, P poles are through adjustable resistance
The diode D7 being grounded after R12, positive pole is connected with amplifier P1 positive pole, negative pole is connected with adjustable resistance R12 adjustable end
Polar capacitor C10, the N pole connect is connected with triode VT7 emitter stage, output end of the P poles after resistance R15 with amplifier P1
The diode D8 being connected, the pole that negative pole is connected with triode VT7 emitter stage, positive pole is connected with amplifier P2 positive pole
Property electric capacity C13, P poles are connected after resistance R18 with polar capacitor C13 negative pole, N poles and resistance R14 and resistance R16 connection
The diode D9 that is connected of point, positive pole is connected with triode VT7 colelctor electrode, after negative pole adjustable resistance R19 with diode D8
The polar capacitor C12 that is connected of N poles, and one end is connected with triode VT6 colelctor electrode, the other end and triode VT7
Base stage be connected resistance R17 composition；The negative pole ground connection of the amplifier P2；The second input of the photoelectrical coupler DS
Ground connection, its second output end are connected with triode VT6 base stage, its first output end and transformer T primary side inductance coils are non-
Same Name of Ends is connected；The grounded emitter of the triode VT6；The negative pole of the polar capacitor C12 is connected with anti-jamming circuit
Connect.
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 polar capacitor C12 negative pole, and one end and triode VT3 transmitting
The adjustable resistance R8 compositions that pole is connected, the other end is connected with polar capacitor C5 positive pole；The emitter stage of the triode VT2
NAND gate IC1 forward end is connected；The colelctor electrode of the triode VT3 is connected with polar capacitor C4 positive pole, its base stage
The output end of anti-jamming circuit is collectively forming 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 process.
(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 be controlled to current pulse shape, and the present invention can also carry out limitation to peak current and prevent
Non-return road current spikes damage Deodorising, so as to improve the stability and reliability of present invention control Deodorising deodorization.
(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 pulse control 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, pulse control 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.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
Connect.Inductance L one end is connected with process chip U2 IN pins, its other end is connected with triode VT1 emitter stage.Surely
Pressure diode D2 N poles are connected with process chip U2 VPOS pins, its P pole after resistance R4 with diode rectifier U1's
Cathode 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 and process chip U2
FDBK pins be connected.Pulse control circuit is serially connected in the non-same polarity of anti-jamming circuit and transformer T primary side inductance coils
Between.Multi resonant vibration triggers circuit is serially connected 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 polar capacitor C12 negative pole.Adjustable resistance R8 one end is connected with triode VT3 emitter stage, its other end
It 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 pulse control circuit is by amplifier P1, amplifier P2, triode VT6, triode VT7, light
Electric coupler DS, adjustable resistance R12, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, resistance R18, adjustable electric
R19, polar capacitor C10, polar capacitor C11, polar capacitor C12, polar capacitor C13, diode D7, diode D8 are hindered, and
Diode D9 is formed.
During connection, it is connected after polar capacitor C11 positive electrode resistance R13 with amplifier P1 negative pole, its negative pole sequentially passes through
It is connected after resistance R14 and resistance R16 with amplifier P2 output end.Diode D7 N poles and the first of photoelectrical coupler DS
Input is connected, its P pole is grounded after adjustable resistance R12.Polar capacitor C10 positive pole is connected with amplifier P1 positive pole
Connect, its negative pole is connected with adjustable resistance R12 adjustable end.Diode D8 N poles are connected with triode VT7 emitter stage,
Its output end of P poles with amplifier P1 after resistance R15 is connected.
Meanwhile polar capacitor C13 negative pole is connected with triode VT7 emitter stage, its positive pole and amplifier P2 just
Pole is connected.Diode D9 P poles are connected after resistance R18 with polar capacitor C13 negative pole, its N pole and resistance R14 and electricity
Resistance R16 tie point is connected.Polar capacitor C12 positive pole is connected with triode VT7 colelctor electrode, its negative pole adjustable resistance
It is connected after R19 with diode D8 N poles.Resistance R17 one end is connected with triode VT6 colelctor electrode, its other end with
Triode VT7 base stage is connected.
The negative pole ground connection of the amplifier P2；The second input end grounding of the photoelectrical coupler DS, its second output end
It is connected with triode VT6 base stage, its first output end is connected with transformer T primary side inductance coil non-same polarities；It is described
Triode VT6 grounded emitter；The negative pole of the polar capacitor C12 is connected with anti-jamming circuit.
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 process 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 be controlled to current pulse shape, and the present invention can also be limited peak current
Prevent loop current burr from damaging Deodorising, so as to improve the stability and reliability this hair of present invention control Deodorising deodorization
It is bright the electromagnetic interference of voltage to be eliminated or suppressed, the pulse value of output voltage is improved, keeps output voltage and electric current
It is stable, so as to improve the stability that present invention control Deodorising carries out deodorization to refrigerator.Imitated for the actual use of the present invention
Fruit, the process chip U2 are then preferentially realized using AD603 integrated chips.
According to above-described embodiment, you can realize the present invention well.
Claims (5)
- A kind of 1. refrigerator with pulse regulation electric current buffer-type automatic deodorizing control system, it is characterised in that mainly by Chip U2, diode rectifier U1, gas sensor QM, transformer T, triode VT1 are managed, is serially connected in transformer T secondary inductances Current buffering protection circuit between the Same Name of Ends and non-same polarity of coil, the colelctor electrode after positive electrode resistance R1 with triode VT1 It is connected, the polar capacitor C1 that negative pole is connected with gas sensor QM, one end is connected, separately with process chip U2 IN pins Inductance L, the N pole that one end is connected with triode VT1 emitter stage is connected with process chip U2 VPOS pins, P poles are through electricity The voltage-regulator diode D2 being connected after resistance R4 with diode rectifier U1 cathode output end, positive pole is with diode rectifier U1's The polar capacitor C3 that cathode output end is connected, negative pole is grounded after being connected with diode rectifier U1 cathode output end, just Pole is connected with the Same Name of Ends of transformer T secondary inductance coils, negative pole is connected with the non-same polarity of transformer T secondary inductance coils The polar capacitor C9 connect, the anti-jamming circuit being connected with process chip U2 FDBK pins, anti-jamming circuit is serially connected in becoming Pulse control circuit between the non-same polarity of depressor T primary side inductance coils, and it is serially connected in anti-jamming circuit and transformer T originals Multi resonant vibration triggers circuit composition between the Same Name of Ends of side inductance coil；The GPOS pins and transformer of the process chip U2 The non-same polarity of T primary side inductance coils is connected, its VPOS pin is connected with diode rectifier U1 cathode output end, it GND pins are grounded；The positive pole of the polar capacitor C1 is connected with process chip U2 IN pins；The current buffering protection electricity FET MOS101 is route, triode VT101, diode D101, one end is connected with diode D101 P poles, the other end The inductance L101 being connected with FET MOS101 grid, one end are connected with FET MOS101 source electrode, are another Resistance R101, the P pole of end ground connection is connected with FET MOS101 drain electrode, N poles are connected with triode VT101 base stage Diode D102, positive pole is connected with triode VT101 emitter stage, negative pole ground connection polar capacitor C101, positive pole and two The polar capacitor C102 that pole pipe D101 N poles are connected, negative pole is connected with triode VT101 colelctor electrode, positive pole is through adjustable Be connected the polar capacitor C103 that negative pole is grounded after resistance R102 with triode VT101 colelctor electrode, one end and diode D101 N poles be connected, the inductance L102 that the other end is connected with polar capacitor C103 positive pole, and one end and polar capacitor C103 Positive pole be connected, resistance R103 that the other end is connected with polar capacitor C103 negative pole composition；The P of the diode D101 Pole is connected with the Same Name of Ends of transformer T secondary inductance coils；The grid of the FET MOS101 and transformer T secondary electricity The non-same polarity of sense coil is connected；The positive pole of the polar capacitor C103 is collectively forming current buffering protection circuit with negative pole Output end.
- 2. a kind of refrigerator with pulse regulation according to claim 1 electric current buffer-type automatic deodorizing control system, Characterized in that, the pulse control circuit is by amplifier P1, amplifier P2, triode VT6, triode VT7, photoelectrical coupler Be connected after DS, positive electrode resistance R13 with amplifier P1 negative pole, negative pole sequentially after resistance R14 and resistance R16 with amplifier P2 Polar capacitor C11, the N pole that is connected of output end be connected with photoelectrical coupler DS first input end, P poles are through adjustable resistance The diode D7 being grounded after R12, positive pole is connected with amplifier P1 positive pole, negative pole is connected with adjustable resistance R12 adjustable end Polar capacitor C10, the N pole connect is connected with triode VT7 emitter stage, output end of the P poles after resistance R15 with amplifier P1 The diode D8 being connected, the pole that negative pole is connected with triode VT7 emitter stage, positive pole is connected with amplifier P2 positive pole Property electric capacity C13, P poles are connected after resistance R18 with polar capacitor C13 negative pole, N poles and resistance R14 and resistance R16 connection The diode D9 that is connected of point, positive pole is connected with triode VT7 colelctor electrode, after negative pole adjustable resistance R19 with diode D8 The polar capacitor C12 that is connected of N poles, and one end is connected with triode VT6 colelctor electrode, the other end and triode VT7 Base stage be connected resistance R17 composition；The negative pole ground connection of the amplifier P2；The second input of the photoelectrical coupler DS Ground connection, its second output end are connected with triode VT6 base stage, its first output end and transformer T primary side inductance coils are non- Same Name of Ends is connected；The grounded emitter of the triode VT6；The negative pole of the polar capacitor C12 is connected with anti-jamming circuit Connect.
- 3. a kind of refrigerator with pulse regulation according to claim 2 electric current buffer-type automatic deodorizing control system, Characterized in that, the anti-jamming circuit, by triode VT2, triode VT3, NOT gate IC1, P pole is after resistance R2 with handling core The diode D1 that piece U2 FDBK pins are connected, N poles are connected with triode VT2 colelctor electrode, negative pole after resistance R5 with Triode VT2 emitter stage is connected, NAND gate IC1 backward end is connected after positive electrode resistance R6 polar capacitor C5, P pole with The diode D3 that triode VT2 base stage is connected, N poles are grounded after being connected with polar capacitor C5 negative pole, positive pole is through resistance It is connected after R7 with polar capacitor C5 positive pole, the polar capacitor C4 of negative pole ground connection, positive pole is after resistance R3 with triode VT3's The polar capacitor C2 that colelctor electrode is connected, negative pole is connected with polar capacitor C12 negative pole, and one end is with triode VT3's The adjustable resistance R8 compositions that emitter stage is connected, the other end is connected with polar capacitor C5 positive pole；The hair of the triode VT2 Emitter-base bandgap grading NAND gate IC1 forward end is connected；The colelctor electrode of the triode VT3 is connected with polar capacitor C4 positive pole, it Base stage 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.
- 4. a kind of refrigerator with pulse regulation according to claim 3 electric current buffer-type automatic deodorizing control system, Characterized in that, multi resonant vibration triggers circuit is by triode VT4, triode VT5, NOT gate IC2, NOT gate IC3, NOT gate IC4, FET 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, the N pole connect is connected with triode VT5 emitter stage, two that P poles are connected with triode VT4 emitter stage Pole pipe D5, the resistance 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 warp that R11, negative pole NAND gate IC3 forward end are connected, positive pole is connected with triode VT5 base stage The diode D4 that NAND gate IC2 backward end is connected after resistance R10, P poles are connected with polar capacitor C6 positive pole, positive pole with The polar capacitor C8 that NOT gate IC4 backward end is connected, negative pole is connected with FET MOS grid, and P poles are imitated with field Should pipe MOS source electrode be connected, voltage-regulator diode D6 that N poles are connected with the Same Name of Ends of transformer T primary side inductance coils composition； The positive pole of the polar capacitor C6 is connected with triode VT3 base stage；The colelctor electrode of the triode VT4 and polar capacitor C5 Positive pole be connected；The forward end of the NOT gate IC3 respectively NAND gate IC2 forward end be connected with NOT gate IC4 forward end, Then NAND gate IC2 backward end is connected its backward end with NOT gate IC4 backward end respectively；The drain electrode of the FET MOS Ground connection.
- 5. a kind of refrigerator with pulse regulation according to claim 4 electric current buffer-type automatic deodorizing control system, Characterized in that, the process chip U2 is AD603 integrated chips.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711090825.7A CN107728699A (en) | 2017-11-08 | 2017-11-08 | A kind of refrigerator with pulse regulation electric current buffer-type automatic deodorizing control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711090825.7A CN107728699A (en) | 2017-11-08 | 2017-11-08 | A kind of refrigerator with pulse regulation electric current buffer-type automatic deodorizing control system |
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| CN201711090825.7A Pending CN107728699A (en) | 2017-11-08 | 2017-11-08 | A kind of refrigerator with pulse regulation electric current buffer-type automatic deodorizing control system |
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Application publication date: 20180223 |