CN106016963A - Automatic refrigerator deodorization control system based on anti-jamming circuit - Google Patents
Automatic refrigerator deodorization control system based on anti-jamming circuit Download PDFInfo
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- CN106016963A CN106016963A CN201610532631.7A CN201610532631A CN106016963A CN 106016963 A CN106016963 A CN 106016963A CN 201610532631 A CN201610532631 A CN 201610532631A CN 106016963 A CN106016963 A CN 106016963A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/20—Gaseous substances, e.g. vapours
- A61L2/202—Ozone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
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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
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
-
- 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
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- 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
- F25D29/005—Mounting of control devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/20—Method-related aspects
- A61L2209/21—Use of chemical compounds for treating air or the like
- A61L2209/212—Use of ozone, e.g. generated by UV radiation or electrical discharge
-
- 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)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Epidemiology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses an automatic refrigerator deodorization control system based on an anti-jamming circuit. The automatic refrigerator deodorization control system is characterized by being mainly composed of a processing chip U2, a diode rectifier U1, a gas sensor QM, a transformer T, a triode VT1, a polar capacitor C1, an electric inductor L1, a voltage stabilizing diode D2, a polar capacitor C3, a polar capacitor C9, the anti-jamming circuit, a pulse control circuit, a second-order filter circuit and a polyharmonic vibration trigger circuit, wherein the second-order filter circuit is connected between the positive electrode of the polar capacitor C1 and a pin IN of the processing chip U2 in series, and the polyharmonic vibration trigger circuit is connected between the anti-jamming circuit and the dotted terminal of a primary side inductance coil of the transformer T in series. The automatic refrigerator deodorization control system can automatically conduct sterilization, disinfection and deodorization on a refrigerator according to the peculiar smell concentration, detected by the gas sensor QM, in the refrigerator, and therefore it is ensured that the automatic refrigerator deodorization control system can effectively eliminate the peculiar smell in the refrigerator, and the biochemical reaction in vegetables or fruits is effectively restrained.
Description
Technical field
The present invention relates to electronic applications, specifically, be a kind of refrigerator automatic deodorizing based on anti-jamming circuit
Control system.
Background technology
Traditional electric refrigerator be the porous adsorption utilizing activated carbon to the abnormal flavour adsorbing in refrigerator, but this
Deodorizing method is without bactericidal action, and it is frequently necessary to change activated carbon, and therefore its use is very inconvenient.Along with
The development of science and technology, people begin to use ozone, to substitute activated carbon, electric refrigerator is carried out deodorization.Ozone not only may be used
Refrigerator to be carried out sterilizing and sterilization, and the biochemical reaction of vegetable or fruit internal can also be suppressed, play one
Fixed preservation.
At present, when deodorant for refregerator many employings refrigerator doors is opened, the light-illuminating in case is to the side on photoelectric receiving tube
Formula controls the corona discharge of Deodorising, makes air ionization produce ozone, and this control mode is in refrigerator doors
The abnormal flavour in refrigerator can not be caused not to be eliminated in time carrying out deodorization in refrigerator, thus adds when not opening
Fast biochemical reaction within veterinary antibiotics.
Therefore it provides a kind of deodorant for refregerator that refrigerator automatically can carry out deodorization according to the abnormal flavour in refrigerator controls
System is the task of top priority.
Summary of the invention
It is an object of the invention to overcome deodorant for refregerator pipe of the prior art can not to enter according to the abnormal flavour in refrigerator
The defect of row automatic deodorizing, it is provided that a kind of based on anti-jamming circuit refrigerator automatic deodorizing control system.
The present invention is achieved through the following technical solutions: a kind of refrigerator automatic deodorizing control based on anti-jamming circuit
System processed, mainly by processing chip U2, diode rectifier U1, gas sensor QM, transformator T,
Audion VT1, after positive electrode resistance R1 the colelctor electrode with audion VT1 be connected, negative pole and gas sensing
The polar capacitor C1 that device QM is connected, one end is connected with the positive pole of polar capacitor C1, the other end and three
The inductance L1 that the emitter stage of pole pipe VT1 is connected, is serially connected in positive pole and the process chip U2 of polar capacitor C1
IN pin between second-order filter circuit, N pole with process chip U2 VPOS pin be connected, P
The Zener diode D2 that pole cathode output end with diode rectifier U1 after resistance R4 is connected, positive pole
Be connected with the cathode output end of diode rectifier U1, negative pole exports with the negative pole of diode rectifier U1
End be connected after the polar capacitor C3 of ground connection, positive pole is connected with the Same Name of Ends of transformator T secondary inductance coil,
The polar capacitor C9 that negative pole is connected with the non-same polarity of transformator T secondary inductance coil, with process chip
The anti-jamming circuit that the FDBK pin of U2 is connected, is serially connected in anti-jamming circuit and transformator T former limit inductance
Pulse control circuit between the non-same polarity of coil, and it is serially connected in anti-jamming circuit and the former limit of transformator T
Multi resonant vibration between the Same Name of Ends of inductance coil triggers circuit composition；The GPOS pipe of described process chip U2
The non-same polarity of foot limit former with transformator T inductance coil is connected, its VPOS pin and diode rectifier
The cathode output end of U1 is connected, its GND pin ground connection.
Described second-order filter circuit is by amplifier P3, amplifier P4, audion VT8, positive pole and amplifier
The positive pole of P3 is connected, negative pole as second-order filter circuit input and with the positive pole phase of polar capacitor C1
The polar capacitor C15 connected, positive pole negative pole with polar capacitor C15 after resistance R20 is connected, negative pole
Polar capacitor C14, the P pole of ground connection positive pole with amplifier P3 after resistance R21 is connected, N pole is through electricity
After resistance R24 diode D10, the N pole that is connected with the outfan of amplifier P3 after resistance R23 with three poles
The diode that the base stage of pipe VT8 is connected, P pole negative pole with amplifier P3 after resistance R22 is connected
D11, one end is connected with the colelctor electrode of audion VT8, the other end is connected with the P pole of diode D11
The inductance L2 of rear ground connection, positive pole is connected with the outfan of amplifier P3, negative pole is sent out with audion VT8's
The polar capacitor C16 that emitter-base bandgap grading is connected, negative pole is connected with the positive pole of amplifier P4, positive pole and amplifier P3
The polar capacitor C17 that is connected of outfan, one end is connected with the negative pole of amplifier P4, other end ground connection
Resistance R25, negative pole is connected with the outfan of amplifier P41, positive pole after resistance R26 with amplifier
The polar capacitor C18 that the positive pole of P4 is connected, and one end is connected with the positive pole of amplifier P4, the other end
The adjustable resistance R27 composition being connected with the negative pole of polar capacitor C18；The outfan of described amplifier P4 is made
For the outfan of second-order filter circuit and it is connected with the IN pin processing chip U2.
Described pulse control circuit is by amplifier P1, amplifier P2, audion VT6, audion VT7, light
Electric coupler DS, after positive electrode resistance R13, the negative pole with amplifier P1 is connected, negative pole is sequentially through resistance R14
Polar capacitor C11, the N pole being connected with outfan with amplifier P2 after resistance R16 and photoelectrical coupler
The first input end of DS is connected, P pole diode D7 of ground connection after adjustable resistance R12, positive pole with put
The polar capacitor C10 that positive pole is connected, negative pole is connected with the adjustable end of adjustable resistance R12 of big device P1,
N pole is connected with the emitter stage of audion VT7, P pole after resistance R15 with the outfan phase of amplifier P1
The diode D8 connected, negative pole is connected with the emitter stage of audion VT7, positive pole and amplifier P2 just
Polar capacitor C13, the P pole that pole is connected negative pole with polar capacitor C13 after resistance R18 is connected, N
The diode D9 that pole is connected with the junction point of resistance R14 with resistance R16, positive pole is with audion VT7's
The polar capacitor C12 that colelctor electrode is connected, be connected with the N pole of diode D8 after negative pole adjustable resistance R19,
And one end is connected with the colelctor electrode of audion VT6, the other end is connected with the base stage of audion VT7
Resistance R17 forms；The minus earth of described amplifier P2；Second input of described photoelectrical coupler DS
Ground connection, its second outfan are connected with the base stage of audion VT6, its first outfan is former with transformator T
Limit inductance coil non-same polarity is connected；The grounded emitter of described audion VT6；Described polar capacitor C12
Negative pole be connected with anti-jamming circuit.
Described anti-jamming circuit is by audion VT2, audion VT3, and not gate IC1, P pole is after resistance R2
Be connected with the FDBK pin processing chip U2, N pole is connected with the colelctor electrode of audion VT2 two
Pole pipe D1, negative pole emitter stage with audion VT2 after resistance R5 is connected, after positive electrode resistance R6 with
Polar capacitor C5, the P pole that the backward end of not gate IC1 is connected is connected with the base stage of audion VT2, N
Pole be connected with the negative pole of polar capacitor C5 after the diode D3 of ground connection, positive pole after resistance R7 with polarity electricity
Hold C5 positive pole be connected, the polar capacitor C4 of minus earth, positive pole after resistance R3 with audion VT3
The polar capacitor C2 that colelctor electrode is connected, negative pole is connected with the negative pole of polar capacitor C12, and one end
Be connected with the emitter stage of audion VT3, adjustable electric that the other end is connected with the positive pole of polar capacitor C5
Resistance R8 composition；The forward end of emitter stage NAND gate IC1 of described audion VT2 is connected；Described three poles
The colelctor electrode of pipe VT3 is connected with the positive pole of polar capacitor C4, its base stage is total to the positive pole of polar capacitor C5
With forming the outfan of anti-jamming circuit and being connected with multi resonant vibration triggering circuit.
Described multi resonant vibration trigger circuit by audion VT4, audion VT5, not gate IC2, not gate IC3,
Not gate IC4, field effect transistor MOS, positive pole colelctor electrode with audion VT5 after resistance R9 is connected,
Polar capacitor C6, the N pole that negative pole is connected with the base stage of audion VT4 and the emitter stage of audion VT5
Be connected, diode D5 that P pole is connected with the emitter stage of audion VT4, one end and audion VT5
The resistance R11 that emitter stage is connected, the forward end of NAND gate IC4 is connected after the other end, negative pole NAND gate
Polar capacitor C7, the N pole warp that the forward end of IC3 is connected, positive pole is connected with the base stage of audion VT5
After resistance R10, the backward end of NAND gate IC2 is connected, P pole is connected with the positive pole of polar capacitor C6 two
Pole pipe D4, the backward end of positive pole NAND gate IC4 is connected, negative pole is connected with the grid of field effect transistor MOS
The polar capacitor C8 connect, and P pole is connected with the source electrode of field effect transistor MOS, N pole and transformator T
The Zener diode D6 composition that the Same Name of Ends of former limit inductance coil is connected；The positive pole of described polar capacitor C6
It is connected with the base stage of audion VT3；The colelctor electrode of described audion VT4 and the positive pole of polar capacitor C5
It is connected；The forward end of the forward end of described not gate IC3 NAND gate IC2 respectively and the forward end of not gate IC4
Be connected, the backward end of its backward end NAND gate IC2 the most respectively is connected with the backward end of not gate IC4；Institute
State the grounded drain of field effect transistor MOS.
For the practical effect of the present invention, described process chip U2 the most preferentially uses the integrated core of AD603
Sheet realizes.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) present invention can be according to the abnormal flavour concentration in the refrigerator detected by gas sensor QM automatically to ice
Case carries out sterilizing, sterilization, deodorization, ensures that the present invention can effectively eliminate the abnormal flavour in refrigerator, has
The biochemical reaction inhibiting vegetable or fruit internal of effect.
(2) signal of telecommunication of gas sensor QM transmission can be filtered by the present invention, effectively eliminates telecommunications
Disturb signal in number, make the signal of telecommunication more steady, ensure that the present invention can accurately control Deodorising to ice
Case carries out deodorization.
(3) current pulse shape can be controlled by the present invention, and peak current can also be carried out by the present invention
Restriction prevents loop current burr from damaging Deodorising, thus improves the present invention and control stablizing of Deodorising deodorization
Property and reliability.
(4) electromagnetic interference of voltage can be eliminated or suppress by the present invention, improves the pulse value of output voltage,
Make output voltage and electric current keep stable, thus improve the present invention and control Deodorising refrigerator is carried out deodorization
Stability.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic 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 second-order filter circuit of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is described in further detail, but the enforcement of the present invention
Mode is not limited to this.
Embodiment
As it is shown in figure 1, the present invention is mainly by processing chip U2, diode rectifier U1, gas sensor
QM, transformator T, audion VT1, resistance R1, resistance R4, polar capacitor C1, polar capacitor C3,
Polar capacitor C9, Zener diode D2, inductance L1, second-order filter circuit, pulse control circuit, anti-dry
Disturb circuit, and multi resonant vibration triggers circuit composition.
During connection, after positive electrode resistance R1 of polar capacitor C1 the colelctor electrode with audion VT1 be connected, its
Negative pole is connected with gas sensor QM.One end of inductance L1 is connected with the positive pole of polar capacitor C1,
Its other end is connected with the emitter stage of audion VT1.Second-order filter circuit is serially connected in polar capacitor C1's
Between positive pole and the IN pin processing chip U2.The N pole of Zener diode D2 is with process chip U2's
VPOS pin is connected, its P pole cathode output end with diode rectifier U1 after resistance R4 is connected
Connect.
Meanwhile, the positive pole of polar capacitor C3 be connected with the cathode output end of diode rectifier U1, its negative pole
Ground connection after being connected with the cathode output end of diode rectifier U1.The positive pole of polar capacitor C9 and transformator
The Same Name of Ends of T secondary inductance coil is connected, the non-same polarity of its negative pole and transformator T secondary inductance coil
It is connected.Anti-jamming circuit is connected with the FDBK pin processing chip U2.Pulse control circuit is serially connected in
Between the non-same polarity of anti-jamming circuit and transformator T former limit inductance coil.Multi resonant vibration triggers circuit concatenation
Between the Same Name of Ends of anti-jamming circuit and transformator T former limit inductance coil.
The non-same polarity of GPOS pin limit former with the transformator T inductance coil of described process chip U2 is connected
Connect, its VPOS pin is connected with the cathode output end of diode rectifier U1, its GND pin ground connection；
The Same Name of Ends of described transformator T secondary inductance coil is connected with Deodorising respectively with non-same polarity；Described two
The input of pole pipe commutator U1 is connected with external power source.
Further, described anti-jamming circuit is by audion VT2, audion VT3, not gate IC1, resistance
R2, resistance R3, resistance R5, resistance R6, resistance R7, adjustable resistance R8, polar capacitor C2, polarity
Electric capacity C4, polar capacitor C5, diode D1, and diode D3 form.
During connection, the P pole of diode D1 is connected with the FDBK pin processing chip U2 after resistance R2
Connect, its N pole is connected with the colelctor electrode of audion VT2.The negative pole of polar capacitor C5 after resistance R5 with
The emitter stage of audion VT2 is connected, the backward end of NAND gate IC1 is connected after its positive electrode resistance R6.
The P pole of diode D3 is connected with the base stage of audion VT2, the negative pole of its N pole and polar capacitor C5
Ground connection after being connected.The positive pole of polar capacitor C4 positive pole with polar capacitor C5 after resistance R7 is connected,
Its minus earth.The positive pole of polar capacitor C2 colelctor electrode with audion VT3 after resistance R3 is connected,
Its negative pole is connected with the negative pole of polar capacitor C12.One end of adjustable resistance R8 is sent out with audion VT3's
Emitter-base bandgap grading is connected, its other end is connected with the positive pole of polar capacitor C5.
The forward end of emitter stage NAND gate IC1 of described audion VT2 is connected；Described audion VT3's
Colelctor electrode is connected with the positive pole of polar capacitor C4, its base stage is collectively forming anti-with the positive pole of polar capacitor C5
Disturb the outfan of circuit and be connected with multi resonant vibration triggering circuit.
Further, described multi resonant vibration trigger circuit by audion VT4, audion VT5, not gate IC2,
Not gate IC3, not gate IC4, field effect transistor MOS, resistance R9, resistance R10, resistance R11, polarity electricity
Hold C6, polar capacitor C7, polar capacitor C8, diode D4, diode D5, and Zener diode
D6 forms.
During connection, the positive pole of polar capacitor C6 colelctor electrode with audion VT5 after resistance R9 is connected,
Its negative pole is connected with the base stage of audion VT4.The N pole of diode D5 and the emitter stage of audion VT5
Be connected, its P pole is connected with the emitter stage of audion VT4.One end of resistance R11 and audion VT5
Emitter stage be connected, the forward end of NAND gate IC4 is connected after its other end.The negative pole of polar capacitor C7
The forward end of NAND gate IC3 is connected, its positive pole is connected with the base stage of audion VT5.Diode D4
N pole backward end of NAND gate IC2 after resistance R10 be connected, its P pole and polar capacitor C6 just
Pole is connected.The backward end of positive pole NAND gate IC4 of polar capacitor C8 is connected, its negative pole and field effect transistor
The grid of MOS is connected.The P pole of Zener diode D6 is connected with the source electrode of field effect transistor MOS, it
The Same Name of Ends of limit former with transformator T, N pole inductance coil is connected.
The positive pole of described polar capacitor C6 is connected with the base stage of audion VT3；Described audion VT4's
Colelctor electrode is connected with the positive pole of polar capacitor C5；The forward end of described not gate IC3 NAND gate IC2 respectively
Forward end is connected with the forward end of not gate IC4, its backward end then distinguishes the backward end of NAND gate IC2 and non-
The backward end of door IC4 is connected；The grounded drain of described field effect transistor MOS.
As in figure 2 it is shown, described pulse control circuit is by amplifier P1, amplifier P2, audion VT6, three
Pole pipe VT7, photoelectrical coupler DS, adjustable resistance R12, resistance R13, resistance R14, resistance R15,
Resistance R16, resistance R17, resistance R18, adjustable resistance R19, polar capacitor C10, polar capacitor C11,
Polar capacitor C12, polar capacitor C13, diode D7, diode D8, and diode D9 form.
During connection, after positive electrode resistance R13 of polar capacitor C11, the negative pole with amplifier P1 is connected, it is born
Pole is sequentially connected through resistance R14 outfan with amplifier P2 after resistance R16.The N of diode D7
Pole is connected with the first input end of photoelectrical coupler DS, its P pole ground connection after adjustable resistance R12.Pole
Property electric capacity C10 positive pole be connected with the positive pole of amplifier P1, the adjustable end of its negative pole and adjustable resistance R12
It is connected.The N pole of diode D8 is connected with the emitter stage of audion VT7, its P pole is through resistance R15
Outfan with amplifier P1 is connected afterwards.
Meanwhile, the negative pole of polar capacitor C13 be connected with the emitter stage of audion VT7, its positive pole and amplification
The positive pole of device P2 is connected.The P pole of diode D9 after resistance R18 with the negative pole phase of polar capacitor C13
Connect, its N pole is connected with the junction point of resistance R14 with resistance R16.The positive pole of polar capacitor C12 with
The colelctor electrode of audion VT7 is connected, be extremely connected with the N of diode D8 after its negative pole adjustable resistance R19
Connect.One end of resistance R17 is connected with the colelctor electrode of audion VT6, its other end and audion VT7
Base stage be connected.
The minus earth of described amplifier P2；Second input end grounding of described photoelectrical coupler DS, its
Two outfans are connected with the base stage of audion VT6, its first outfan and transformator T former limit inductance coil
Non-same polarity is connected；The grounded emitter of described audion VT6；The negative pole of described polar capacitor C12 with
Anti-jamming circuit is connected.
As it is shown on figure 3, described second-order filter circuit is by amplifier P3, amplifier P4, audion VT8, electricity
Resistance R20, resistance R21, resistance R22, resistance R23, resistance R24, resistance R25, resistance R26, can
Adjust resistance R27, polar capacitor C14, polar capacitor C15, polar capacitor C16, polar capacitor C17, pole
Property electric capacity C18, diode D10, diode D11, and inductance L2 composition.
During connection, the positive pole of polar capacitor C15 is connected with the positive pole of amplifier P3, its negative pole is as second order
The input of filter circuit is also connected with the positive pole of polar capacitor C1.The positive pole of polar capacitor C14 is through resistance
After R20 the negative pole with polar capacitor C15 be connected, its minus earth.The P pole of diode D10 is through resistance
After R21 the positive pole with amplifier P3 be connected, its N pole after resistance R24 with the outfan of amplifier P3
It is connected.The N pole of diode D11 base stage with audion VT8 after resistance R23 is connected, its P
Pole negative pole with amplifier P3 after resistance R22 is connected.One end of inductance L2 and the collection of audion VT8
Ground connection after electrode is connected, its other end is connected with the P pole of diode D11.
Meanwhile, the positive pole of polar capacitor C16 be connected with the outfan of amplifier P3, its negative pole and audion
The emitter stage of VT8 is connected.The negative pole of polar capacitor C17 is connected with the positive pole of amplifier P4, its positive pole
It is connected with the outfan of amplifier P3.One end of resistance R25 is connected with the negative pole of amplifier P4, it
Other end ground connection.The negative pole of polar capacitor C18 is connected with the outfan of amplifier P41, its positive pole is through electricity
It is connected with the positive pole of amplifier P4 after resistance R26.One end of adjustable resistance R27 and the positive pole of amplifier P4
Be connected, its other end is connected with the negative pole of polar capacitor C18.The outfan conduct of described amplifier P4
The outfan of second-order filter circuit is also connected with the IN pin processing chip U2.
During enforcement, for the practical effect of the present invention, described gas sensor QM the most preferentially have employed
XSAV12801 gas sensor realizes, and this gas sensor QM will detect the abnormal flavour concentration in refrigerator
Information is transferred to after being converted to the signal of telecommunication process chip U2, processes chip U2 then according to the telecommunications received
Number power compare with the baseline signal value processed in chip U2, thus the concentration of abnormal flavour in obtaining refrigerator
Value, when the abnormal flavour concentration value in refrigerator is too high, processes chip U2 and exports the signal of telecommunication, and audion VT2 leads
Logical ,+6V voltage is transferred to not gate IC1 through audion VT2, through not gate IC1 paraphase, and output low level,
Audion VT3 conducting bleeds off the electric charge on polar capacitor C5, and audion VT4 turns on and exports high level, and two
Pole pipe D5 ends, the multi-resonant trigger starting of oscillation being made up of not gate IC2 and not gate IC3 and not gate IC4,
Producing the square wave of 1890Hz, wherein, not gate IC2 and not gate IC3 and not gate IC4 is parallel connection buffer output
Level, square-wave signal is transferred to the grid of field effect transistor MOS by polar capacitor C8 after being filtered, by field effect transistor
MOS amplify after export high-voltage pulse to Deodorising, now, Deodorising start working ghost refrigerator carry out sterilizing,
Sterilization, deodorization, and the biochemical reaction within veterinary antibiotics is suppressed.When processing what chip U2 obtained
When gas sensor QM detects the abnormal flavour concentration value in refrigerator less than baseline signal value, process chip U then
Will not export the signal of telecommunication, audion VT2 then disconnects, and Deodorising then must not be electric, and stops going out refrigerator
Bacterium, sterilization, deodorization.
Meanwhile, the signal of telecommunication of gas sensor QM transmission can be filtered by the present invention, effectively eliminates electricity
Signal disturbs signal, makes the signal of telecommunication more steady, ensure that the present invention can accurately control Deodorising pair
Refrigerator carries out deodorization.Current pulse shape can be controlled by the present invention, and the present invention can also be to spike electricity
Stream carries out restriction and prevents loop current burr from damaging Deodorising, thus improves the present invention and control Deodorising deodorization
Stability and reliability.The electromagnetic interference of voltage can be eliminated or suppress by the present invention, improves output electricity
The pulse value of pressure, makes output voltage and electric current keep stable, thus improves the present invention and control Deodorising to ice
Case carries out the stability of deodorization.For the practical effect of the present invention, described process chip U2 the most preferentially adopts
Realize with the integrated chip of AD603.
According to above-described embodiment, can well realize the present invention.
Claims (6)
1. a refrigerator automatic deodorizing control system based on anti-jamming circuit, it is characterised in that mainly by
Process chip U2, diode rectifier U1, gas sensor QM, transformator T, audion VT1, just
After electrode resistance R1, the colelctor electrode with audion VT1 is connected, negative pole is connected with gas sensor QM
Polar capacitor C1, one end is connected with the positive pole of polar capacitor C1, the transmitting of the other end and audion VT1
The inductance L1 that pole is connected, is serially connected between the positive pole of polar capacitor C1 and the IN pin processing chip U2
Second-order filter circuit, N pole is connected with the VPOS pin processing chip U2, P pole is after resistance R4
The Zener diode D2 being connected with the cathode output end of diode rectifier U1, positive pole and diode rectification
The cathode output end of device U1 is connected, negative pole is connected with the cathode output end of diode rectifier U1 is followed by
The polar capacitor C3 on ground, positive pole is connected with the Same Name of Ends of transformator T secondary inductance coil, negative pole and transformation
The polar capacitor C9 that the non-same polarity of device T secondary inductance coil is connected, with the FDBK processing chip U2
The anti-jamming circuit that pin is connected, be serially connected in anti-jamming circuit and transformator T former limit inductance coil non-with
Pulse control circuit between name end, and it is serially connected in anti-jamming circuit and transformator T former limit inductance coil
Multi resonant vibration between Same Name of Ends triggers circuit composition；The GPOS pin of described process chip U2 and transformator
The non-same polarity of T former limit inductance coil is connected, its VPOS pin is defeated with the positive pole of diode rectifier U1
Go out end be connected, its GND pin ground connection.
A kind of refrigerator automatic deodorizing control system based on anti-jamming circuit the most according to claim 1,
It is characterized in that, described second-order filter circuit by amplifier P3, amplifier P4, audion VT8, positive pole with
The positive pole of amplifier P3 is connected, negative pole is as the input of second-order filter circuit and with polar capacitor C1's
The polar capacitor C15 that positive pole is connected, positive pole negative pole with polar capacitor C15 after resistance R20 is connected,
Polar capacitor C14, the P pole of minus earth positive pole with amplifier P3 after resistance R21 is connected, N pole
Diode D10, the N pole that outfan with amplifier P3 is connected after resistance R24 after resistance R23 with
Two poles that the base stage of audion VT8 is connected, P pole negative pole with amplifier P3 after resistance R22 is connected
Pipe D11, one end is connected with the colelctor electrode of audion VT8, the other end is extremely connected with the P of diode D11
Meeting the inductance L2 of rear ground connection, positive pole is connected with the outfan of amplifier P3, negative pole and audion VT8
The polar capacitor C16 that emitter stage is connected, negative pole is connected with the positive pole of amplifier P4, positive pole and amplifier
The polar capacitor C17 that the outfan of P3 is connected, one end is connected with the negative pole of amplifier P4, another termination
Ground resistance R25, negative pole is connected with the outfan of amplifier P41, positive pole after resistance R26 with amplification
The polar capacitor C18 that the positive pole of device P4 is connected, and one end is connected, separately with the positive pole of amplifier P4
The adjustable resistance R27 composition that one end is connected with the negative pole of polar capacitor C18；The output of described amplifier P4
Hold the outfan as second-order filter circuit and be connected with the IN pin processing chip U2.
A kind of refrigerator automatic deodorizing control system based on anti-jamming circuit the most according to claim 2,
It is characterized in that, described pulse control circuit is by amplifier P1, amplifier P2, audion VT6, audion
VT7, photoelectrical coupler DS, after positive electrode resistance R13 the negative pole with amplifier P1 be connected, negative pole sequentially
Through polar capacitor C11, N pole that resistance R14 outfan with amplifier P2 after resistance R16 is connected with
The first input end of photoelectrical coupler DS is connected, P pole diode D7 of ground connection after adjustable resistance R12,
The polarity electricity that positive pole is connected with the positive pole of amplifier P1, negative pole is connected with the adjustable end of adjustable resistance R12
Hold C10, N pole be connected with the emitter stage of audion VT7, P pole after resistance R15 with amplifier P1's
The diode D8 that outfan is connected, negative pole is connected with the emitter stage of audion VT7, positive pole and amplifier
Polar capacitor C13, the P pole that the positive pole of P2 is connected after resistance R18 with the negative pole phase of polar capacitor C13
The diode D9 that connection, N pole are connected with the junction point of resistance R14 with resistance R16, positive pole and audion
The polarity that the colelctor electrode of VT7 is connected, be connected with the N pole of diode D8 after negative pole adjustable resistance R19
Electric capacity C12, and one end is connected with the colelctor electrode of audion VT6, the base of the other end and audion VT7
The resistance R17 composition that pole is connected；The minus earth of described amplifier P2；Described photoelectrical coupler DS's
Second input end grounding, its second outfan are connected with the base stage of audion VT6, its first outfan with
Transformator T former limit inductance coil non-same polarity is connected；The grounded emitter of described audion VT6；Described
The negative pole of polar capacitor C12 is connected with anti-jamming circuit.
A kind of refrigerator automatic deodorizing control system based on anti-jamming circuit the most according to claim 3,
It is characterized in that, described anti-jamming circuit is by audion VT2, audion VT3, and not gate IC1, P pole is through electricity
Be connected with the FDBK pin processing chip U2 after resistance R2, N pole is connected with the colelctor electrode of audion VT2
The diode D1 connect, negative pole emitter stage with audion VT2 after resistance R5 is connected, positive electrode resistance R6
Polar capacitor C5, the P pole that the backward end of rear NAND gate IC1 is connected is connected with the base stage of audion VT2,
N pole be connected with the negative pole of polar capacitor C5 after the diode D3 of ground connection, positive pole after resistance R7 with polarity
The positive pole of electric capacity C5 is connected, the polar capacitor C4 of minus earth, positive pole after resistance R3 with audion
The polar capacitor C2 that the colelctor electrode of VT3 is connected, negative pole is connected with the negative pole of polar capacitor C12, and
One end is connected with the emitter stage of audion VT3, the other end is connected with the positive pole of polar capacitor C5 can
Adjust resistance R8 composition；The forward end of emitter stage NAND gate IC1 of described audion VT2 is connected；Described
The colelctor electrode of audion VT3 is connected with the positive pole of polar capacitor C4, its base stage and polar capacitor C5 just
Pole is collectively forming the outfan of anti-jamming circuit and is connected with multi resonant vibration triggering circuit.
A kind of refrigerator automatic deodorizing control system based on anti-jamming circuit the most according to claim 4,
It is characterized in that, described multi resonant vibration triggering circuit is by audion VT4, audion VT5, not gate IC2, non-
Door IC3, not gate IC4, field effect transistor MOS, positive pole after resistance R9 with the colelctor electrode phase of audion VT5
Polar capacitor C6, the N pole that connection, negative pole are connected with the base stage of audion VT4 is with audion VT5's
The diode D5 that emitter stage is connected, P pole is connected with the emitter stage of audion VT4, one end and audion
The resistance R11 that the emitter stage of VT5 is connected, the forward end of NAND gate IC4 is connected after the other end, negative pole
The polar capacitor C7 that the forward end of NAND gate IC3 is connected, positive pole is connected with the base stage of audion VT5,
N pole backward end of NAND gate IC2 after resistance R10 is connected, P pole is connected with the positive pole of polar capacitor C6
The diode D4 connect, the backward end of positive pole NAND gate IC4 is connected, the grid of negative pole and field effect transistor MOS
The polar capacitor C8 that pole is connected, and P pole is connected with the source electrode of field effect transistor MOS, N pole and change
The Zener diode D6 composition that the Same Name of Ends of depressor T former limit inductance coil is connected；Described polar capacitor C6
Positive pole be connected with the base stage of audion VT3；The colelctor electrode of described audion VT4 and polar capacitor C5
Positive pole be connected；The forward end of the forward end of described not gate IC3 NAND gate IC2 respectively and not gate IC4's
Forward end is connected, its backward end then distinguish NAND gate IC2 backward end be connected with the backward end of not gate IC4
Connect；The grounded drain of described field effect transistor MOS.
A kind of refrigerator automatic deodorizing control system based on anti-jamming circuit the most according to claim 5,
It is characterized in that, described process chip U2 is the integrated chip of AD603.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610532631.7A CN106016963A (en) | 2016-07-06 | 2016-07-06 | Automatic refrigerator deodorization control system based on anti-jamming circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610532631.7A CN106016963A (en) | 2016-07-06 | 2016-07-06 | Automatic refrigerator deodorization control system based on anti-jamming circuit |
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| Publication Number | Publication Date |
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| CN106016963A true CN106016963A (en) | 2016-10-12 |
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|---|---|---|---|
| CN201610532631.7A Pending CN106016963A (en) | 2016-07-06 | 2016-07-06 | Automatic refrigerator deodorization control system based on anti-jamming circuit |
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| Country | Link |
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| CN (1) | CN106016963A (en) |
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2016
- 2016-07-06 CN CN201610532631.7A patent/CN106016963A/en active Pending
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