CN110292064A - A kind of variable electric field generating device and refrigerator - Google Patents
A kind of variable electric field generating device and refrigerator Download PDFInfo
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- CN110292064A CN110292064A CN201910488267.2A CN201910488267A CN110292064A CN 110292064 A CN110292064 A CN 110292064A CN 201910488267 A CN201910488267 A CN 201910488267A CN 110292064 A CN110292064 A CN 110292064A
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/015—Preserving by irradiation or electric treatment without heating effect
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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
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- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Food Science & Technology (AREA)
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a kind of variable electric field generating device and refrigerators, by adding variable voltage variable frequency circuit in variable electric field generating device, boost and by rectification circuit by upgrading circuit in alternating voltage, variable voltage variable frequency circuit is inputted by the alternating current of rectification circuit, variable voltage variable frequency circuit can carry out variable voltage variable frequency processing to the alternating current of input according to the temperature of corresponding refrigerator locker room, so that the frequency and voltage of the exchange point after variable voltage variable frequency are the fresh-keeping optimum frequency and voltage of the interior article of storing, to improve the fresh-keeping effect of refrigerator.
Description
Technical field
The present invention relates to refrigerator arts, and in particular to a kind of variable electric field generating device and refrigerator.
Background technique
Current preservation technology is all weight shape and light interior quality, the inside aging for being very related to fruits and vegetables less control.But fruit
The a part of vegetable as human foods, other than meeting sensory experience, more important is bring nutrition and promote strong
Health, so keeping a vital task of the fresh-keeping industry of its interior quality by preservation technology.
Quality in order to realize article in refrigerator is fresh-keeping, and current refrigerator generally uses fixed frequency and electric field strength, and
The storage temperature of each memory block is different in refrigerator, for example, freeze space food (- 20 DEG C or so), temperature-varying zone food (- 3 DEG C or so)
And chill space food (5 DEG C) etc., it is fresh-keeping that this makes fixed frequency and electric field strength that all items can not be made in refrigerator to play
Effect.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of variable electric field generating device and
Refrigerator solves the problems, such as that current refrigerator is difficult to control the destruction of the excessive free radicals generated inside fruits and vegetables.
The technical scheme adopted by the invention is as follows:
A kind of variable electric field generating device, characterized in that it comprises: booster circuit is connected with the booster circuit respectively
Decompression filter circuit and rectification circuit, with it is described decompression filter circuit be connected anion generator, at least all the way with institute
State the variable voltage variable frequency circuit of rectification circuit connection, and the electrode plate with the variable voltage variable frequency circuit connection；The booster circuit
Input terminal be connected with the electric current for providing alternating current, the anion generator be connected to the rectification circuit with it is described
Between variable voltage variable frequency circuit, and the anion generator is connect with ground wire with the decompression filter circuit.
The variable electric field generating device, wherein the variable voltage variable frequency circuit be 3 tunnels, 3 road variable voltage variable frequency circuit in parallel,
And respectively with refrigerating chamber electrode plate, temperature-changing chamber electrode plate and freezing chamber electrode plate.
The variable electric field generating device, wherein the friendship of the variable voltage variable frequency circuit output of the freezing chamber electrode plate connection
The frequency range of galvanic electricity is 700-1000HZ, and the voltage range of alternating current is 3000-8000v.
The variable electric field generating device, wherein the friendship of the variable voltage variable frequency circuit output of the temperature-changing chamber electrode plate connection
The frequency range of galvanic electricity is 300-700hz, and the voltage range of alternating current is 1500-3000v.
The variable electric field generating device, wherein the friendship of the variable voltage variable frequency circuit output of the refrigerating chamber electrode plate connection
The frequency range of galvanic electricity is 0-300hz, and the voltage range of alternating current is 800-1500v.
The variable electric field generating device, wherein the variable voltage variable frequency circuit can be direct for power device series union II level
High-voltage frequency converter, the three-level voltage source frequency converter using IGCT, HV-IGBT and the unit series connection using LV-IGBT are mostly electric
One of level voltage source frequency converter.
The variable electric field generating device, wherein the rectification circuit includes full-wave rectification block, negative half-wave rectification block
Either one of positive half-wave rectification module or any combination thereof.
The variable electric field generating device, wherein the decompression filter circuit includes sequentially connected pressure unit and filter
Wave unit, the pressure unit are the decompression chip for realizing buck functionality, and filter unit is the filtering chip for realizing filter function.
The variable electric field generating device, wherein the anion generator, which discharges to earth polar, generates plasma active
Object.
A kind of variable electric field fresh-keeping refrigerator comprising refrigerator body, and as above it is any it is described with fresh-keeping function can
Changed electric field generating device, the variable electric field generating device are mounted in the refrigerator body.
Compare with the prior art: the application is being handed over by adding variable voltage variable frequency circuit in variable electric field generating device
Galvanic electricity pressure carries out the rectification circuit that boosts and pass through by upgrading circuit, and the alternating current for passing through rectification circuit inputs variable voltage variable frequency electricity
Road, variable voltage variable frequency circuit can carry out variable voltage variable frequency processing to the alternating current of input according to the temperature of corresponding refrigerator locker room, with
So that the frequency and voltage of the exchange point after variable voltage variable frequency are the fresh-keeping optimum frequency and voltage of the interior article of storing, to improve
The fresh-keeping effect of refrigerator.
Detailed description of the invention
Fig. 1 is the functional block diagram of variable electric field generating device preferred embodiment of the present invention.
Fig. 2 is the circuit diagram of booster circuit preferred embodiment provided by the invention.
Fig. 3 is the circuit diagram of rectification circuit preferred embodiment provided by the invention.
Fig. 4 is the circuit diagram of high-field electrode preferred embodiment provided by the invention.
Fig. 5 is the structure chart of refrigerator provided by the invention.
Specific embodiment
The present invention provides a kind of variable electric field generating device and refrigerator, to make the purpose of the present invention, technical solution and effect
Clearer, clear, the present invention is described in more detail as follows in conjunction with drawings and embodiments.It should be appreciated that this place is retouched
It states that specific examples are only used to explain the present invention, is not intended to limit the present invention.
It should be noted that when component is referred to as " being fixed on " or " being set to " another component, it can be directly another
On a component or indirectly on another component.When a component is known as " being connected to " another component, it can be with
It is directly to another component or is indirectly connected on another component.
It should be noted that the same or similar label corresponds to the same or similar portion in the attached drawing of the embodiment of the present invention
Part；In the description of the present invention, it is to be understood that, if having the orientation or position of the instructions such as term " on ", "lower", "left", "right"
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore, attached drawing
The term of middle description positional relationship only for illustration, should not be understood as the limitation to this patent, for the general of this field
For logical technical staff, the concrete meaning of above-mentioned term can be understood as the case may be.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more, remove
It is non-separately to have clearly specific restriction.
A kind of variable electric field generating device provided in an embodiment of the present invention, as shown in Figure 1, the variable electric field generating device
Including booster circuit 201, rectification circuit 203, decompression filter circuit 202, anion generator 204, at least variable voltage variable frequency all the way
Circuit 205 and with 205 quantity of variable voltage variable frequency circuit relative to electrode plate.The power input of the booster circuit 201
It holds and is connect with the power supply for providing alternating voltage, the input terminal of the output end connection rectification circuit 203 of booster circuit 201 is whole
The output end of current circuit 203 connects the input terminal of each variable voltage variable frequency circuit 205, and the input terminal of each variable voltage variable frequency circuit is respectively connected with
Electrode plate.The input terminal of the another output connection decompression filter circuit 202 of the booster circuit 201, the decompression filtering
There are two branch, a branch connects the input terminal of the anion generator 204, another branch for the output end setting of device
Connect ground wire；The output end of the anion generator 204 connects the input terminal of each variable voltage variable frequency circuit 205.
In this implementation, the alternating current that the power supply provides inputs booster circuit 201, by the booster circuit 201 to defeated
The alternating current entered boosts, and the alternating current after boosting is transmitted to decompression filter circuit 202 all the way, passes through the decompression filtered electrical
Alternating current after the boosting of 202 pairs of road is filtered, and filtered alternating current is by anion generator 204, so that anion
Generator 204 generates plasma activated object, and the alternating current after anion generator 204 enters each road variable voltage variable frequency circuit
205, the exchange point another way after boosting is transmitted to rectification circuit 203, passes through the alternating current after 203 pairs of rectification circuit boostings
It is rectified, the exchange after rectification enters each road variable voltage variable frequency circuit after converging with the alternating current by anion generator 204
205；Alternating current that 205 pairs of each variable voltage variable frequency circuit flows into it carries out variable voltage variable frequency, and by the exchange fax after variable voltage variable frequency
Its corresponding electrode plate is transported to, to excite variable electric field by the electrode plate.The present embodiment is right by variable voltage variable frequency circuit 205
Electrode plate effect, generates a kind of energy field so that can vibrate between two electrodes of electrode plate, can enhance under energy field action
The enzymatic activity of the antioxidase in food is stored, the nuisances such as the excessive free radicals that organism metabolism generates further are removed
Matter, and then effectively extend the freshness date of food, in addition, generating plasma active by the access electric discharge of anion generator 204
Object, and then on the basis of food fresh-keeping, further kill table body bacterial virus.
Further, since according to different food, required energy field intensity is different, such as fruits and vegetables, described suitable
Energy field environment in fruits and vegetables, intracorporal Free-radical ring opening polymerization (the various antioxidant enzymes such as including SOD, POD, CAT)
Activity enhanced, the generation of free radical and remove and returned balance again, what is showed is exactly the freshness date of fruits and vegetables
Extended；But if being frozen meat, then need stronger energy field, the energy field suitable for chilled meat, freeze
Meat inside the ice crystal that is formed it is smaller more mellow and fuller, therefore the degree that meat tissue's cell is destroyed by ice crystal is lower, after defrosting
Watery blood is less, and nutrition remains more preferable.So in the present embodiment, the variable electric field generating device includes 3 road variable voltage variable frequencies
Circuit 205, the 3 road variable voltage variable frequency circuit 205 divide for refrigerating chamber variable voltage variable frequency circuit, temperature-changing chamber variable voltage variable frequency circuit and cold
Freeze room variable voltage variable frequency circuit；The 3 road variable voltage variable frequency circuit 205 is in parallel, and the input of the 3 road variable voltage variable frequency circuit 205
End be connected in the anion generator 204 with the rectification circuit 203, i.e., the described anion generator 204 with it is described
There are three parallel branch, three parallel branches are respectively used to connection refrigerating chamber transformation and become for setting after rectification circuit 203 converges
Frequency circuit, temperature-changing chamber variable voltage variable frequency circuit and freezing chamber variable voltage variable frequency circuit.In addition, the electrode plate is three groups accordingly,
Respectively refrigerating chamber electrode plate 208, temperature-changing chamber electrode plate 206 and freezing chamber electrode plate 207；The refrigerating chamber electrode plate 208
It is connected with the refrigerating chamber variable voltage variable frequency circuit, the temperature-changing chamber electrode plate is connected with the temperature-changing chamber variable voltage variable frequency circuit
It connects, the freezing chamber electrode plate is connected with the freezing chamber variable voltage variable frequency circuit, to pass through the 3 road variable voltage variable frequency circuit
205 can make the electric field frequency and electric field strength difference of refrigerating chamber, temperature-changing chamber and freezing chamber generation electric field, so that each storage
Indoor food is under optimum electric field intensity and electric field frequency, to improve the fresh-keeping effect of food.In addition, actually answering
In, any road variable voltage variable frequency circuit 205 can be straight for power device series union II level in the 3 road variable voltage variable frequency circuit 205
It is more to connect high-voltage frequency converter, the three-level voltage source frequency converter using IGCT, HV-IGBT and the unit series connection using LV-IGBT
One of level voltage source frequency converter.
Further, in the present embodiment, the alternating current that the variable voltage variable frequency circuit 205 of the freezing chamber electrode plate connection exports
Frequency range be 700-1000HZ, the voltage range of alternating current is 0-8000v.On the one hand facilitate water molecules mode in this way
Change, the ice crystal that frozen food can be made to be formed is smaller more mellow and fuller, is not easy to form the sharp ice crystal of one direction, avoids generating sharp ice
Crystalline substance destroys eucaryotic cell structure, on the other hand freezing, facilitate soft freezing in course of defrosting, frozen food accelerates through ice crystal band,
To guarantee that food cells tissue is not destroyed, the loss of watery blood weight loss and nutritional ingredient is reduced, food is helped to maintain
Object fresh state.
Further, the frequency range for the alternating current that the variable voltage variable frequency circuit 205 of temperature-changing chamber electrode plate connection exports is-
700hz, the voltage range of alternating current are 1500-0v.The temperature-varying zone food of the p- 5-0 DEG C of range of the electric field generated in this way is made
With, it can be achieved that without freezing to refrigerate under the freezing point of meat seafood, can the processing of outbound at any time, while effectivelying prevent changing colour.
Further, the frequency range of the alternating current of the output of variable voltage variable frequency circuit 205 of the refrigerating chamber electrode plate connection is
0-hz, the voltage range of alternating current are 800-1500v.In this way to indoor fruit-vegetable food is refrigerated using particular frequency range, lead to
Action of alternative electric field can directly be generated to liquid water molecules by crossing the electric field that such alternating current generates, and change hydrogen bond between hydrone
Structure improves the freshness date of fruits and vegetables.
Further, in an implementation of the present embodiment, as shown in Fig. 2, the booster circuit 201 includes successively connecting
Connect rectification unit 2011 and boosting unit 2012.The rectification unit 2011 is for being isolated the alternating voltage of power input
It is depressured and rectifies；The boosting unit 2012 is used to boost to by isolated buck and the alternating voltage of rectification；The liter
Pressure unit 2012 is also connect with decompression filter circuit 202 and rectification circuit 203.The 220V inputted by 2011 Duis of rectification unit is handed over
Galvanic electricity pressure carries out isolated buck, and rectifies and obtain stable alternating voltage to boosting unit 2012, by 2012 basis of boosting unit
It needs to carry out corresponding boosting, to meet the high voltage demands for generating energy field.
Further, as shown in Fig. 2, the rectification unit 2011 includes switch S, fuse FU, isolated power supply transformer T1
With rectifier bridge VD.One end of the switch S connects 220V power supply, the other end of one end connection switch S of the fuse FU, institute
The other end connection isolated power supply transformer T1 of fuse FU is stated, the input terminal of the isolated power supply transformer T1 also connects with power supply
It connects, the output end of the isolated power supply transformer T1 connects rectifier bridge VD, the output end and boosting unit of the rectifier bridge VD
2012 connections.
The boosting unit 2012 includes first capacitor C1, the second capacitor C2, first resistor R1, second resistance R2, third
Resistance R3, potentiometer RP, the first thyristor VT, zener diode VS and step-up transformer T2.The input of the first capacitor C1
End connects the output end of rectifier bridge VD, the second electricity of other end connection of the first resistor R1 with one end of the first resistor R1
Hinder one end of R2 and the input terminal of the second capacitor C2, the output of the other end connection zener diode VS of the second resistance R2
End, the input terminal of the zener diode VS connect with potentiometer RP, the potentiometer RP also with the first thyristor VT and
3rd resistor R3 connection, the first thyristor VT are also connect with one end of second resistance R2, the output of the second capacitor C2
End is connect with the input terminal of step-up transformer T2, and the output end of the step-up transformer T2 is connect with rectification circuit 203, and described the
One capacitor C1,3rd resistor R3, the first thyristor VT and step-up transformer T2 are grounded.
Particularly, in the embodiment of the present invention, not as the different optimal field strength wait high voltage electric field needed for storing food
Together, configuration can be optimized according to reality food to be stored, selects suitable boost voltage, obtains preferably electric field strength, risen
The voltage value of AC power source after pressure is higher, and the field strength of the high voltage electric field exported after rectified device is bigger.
Optionally, the booster circuit 201 can be coil type booster circuit 201 or electronic type booster circuit 201, and outside is set
It is set to light-weight metal shell, such as aluminum shell, perfect heat-dissipating, and overall weight is influenced less, surface is aoxidized firmly
Processing, rub resistance is good, can resist the extruding or percussion of certain external force, and the safe voltage is 8V-36V, generates lower than to human body
The voltage of harm, highly-safe, the preset range high pressure is 1000-8000V, and the optional range of high pressure is big, can be as needed
Suitable voltage is selected to generate the energy field of respective intensities.
It should be noted that in embodiments of the present invention, the booster circuit 201 is in addition to that can use the line comprising transformer
Enclose booster circuit 201 and by chip boosting electronic type booster circuit 201 outside, can also use other boosting modes, in this regard, this
Invent and without specifically limiting, it is all can be realized boosting require booster circuits 201 can be used.
Further, in the embodiment of the present invention, the rectification circuit 203 is full-wave rectifying circuit 203, negative halfwave rectifier
One of circuit 203 or positive half-wave rectification circuit 203 or any combination thereof.Form vibration in space by commutating circuit
It is dynamic, action of alternative electric field is directly generated to hydrone, changes hydrogen bond structure between hydrone, under electric field action, hydrone and egg
The molecules such as white matter and carbohydrate combine the effect of being formed in conjunction with water, playing protected protein matter and carbohydrate；Meanwhile making
The activity of water reduces, and bacterial growth is suppressed.Preferably, the present invention uses full-wave rectifying circuit 203, pass through thyristor reality
It is existing.In full-wave rectifying circuit 203, using two thyristors, correspondingly, gate drive circuit is also two, passes through rectification circuit
Alternating voltage after 203 pairs of boostings rectifies, then exports to high-field electrode and generate energy field.
Specifically, referring to Fig. 3, the full-wave rectifying circuit 203 include the second thyristor VT1, third thyristor VT2 and
4th resistance R4.One end of the second thyristor VT1 and one end of third thyristor VT2 are separately connected step-up transformer T2's
Output end, and the interconnection of the other end of the second thyristor VT1 other end and third thyristor VT2 and one with the 4th resistance R4
End connection, the other end of the 4th resistance R4 are connect with the centre cap of the step-up transformer T2.
As shown in figure 4, in embodiments of the present invention, the electrode plate includes conductor layer 301, wraps up the exhausted of conductor layer 301
Edge layer 302, and the conducting wire 303 being connect with conductor layer 301, the conducting wire 303 also with rectification circuit 203 and anion generator
204 connections.Conductor layer 301 is wrapped by insulating layer 302, is dielectrically separated from, avoids getting an electric shock, then extraction wire 303 connects
Rectification circuit 203 receives the alternating current after boosting, realizes that vibration generates energy field between two electrodes of electrode plate.In addition, institute
High-field electrode is stated using flexible copper sheet, thickness 0.01-1mm, flexibility is good, may be disposed at inner container of icebox or liner and shell
Middle layer, random bending deformation as needed, surface does insulation processing, prevents leaky.
Optionally, the insulating layer 302 may also be configured to part covering conductor, as long as can be realized exhausted in use process
Edge isolation；Insulating layer 302 can be closed directly using thermoplastic envelope or cold moulding encapsulation technique；Conductor layer 301 does not limit
It using flexible copper sheet, is constructed from a material that be electrically conducting, such as gold, silver, copper, iron, aluminium, graphite；High-field electrode can have it is multiple with
It is respectively placed in the different location of refrigerator, such as refrigerating chamber, temperature-changing chamber and freezing chamber postnotum foaming layer, bottom foaming layer
In interior, top foaming layer etc., make the energy field interactions generated between electrode plate with high voltage, energy field is made to obtain concentrating reinforcement.
Further, the decompression filter circuit 202 includes sequentially connected pressure unit and filter unit, and the decompression is single
Member is the decompression chip for realizing buck functionality, and filter unit is the filtering chip for realizing filter function.Filter circuit 202 is depressured to fill
High-tension current impact caused by ground connection can be effectively reduced by setting, and filter high-frequency clutter improves output quality, meanwhile, can greatly it increase
The vibration attribute of strong high-field electrode output, can be improved the direct effect that electric field treats storage food therein polar molecule and enzyme.Tool
Body, the excess charge that the embodiment of the present invention will be generated on variable electric field generating device 10 by alternating voltage by decompression filtering dress
The earth is introduced, excess charge formation impact is avoided and circuit and component is damaged.Due to decompression filter and wherein
Decompression chip and filtering chip be the prior art, can be there are many alternative, this will not be detailed here.
In a still further embodiment, anion generator 204 is accessed between rectification circuit 203 and high-field electrode,
It is discharged by anion generator 204 earth polar and generates plasma active object, and then on the basis of food fresh-keeping, further
Kill table body bacterial virus.For example, the adverse effect that positive charge long-term accumulation generates in space in order to prevent, empty in above-mentioned electric field
Interior arrangement negative ion generating loop, eliminates the accumulation of positive charge, during eliminating positive charge can further sterilization fresh-keeping,
Extend the preserving fruit and vegetable utilizing phase.Since anion generator 204 is very common on the market, circuit structure those skilled in the art are equal
It can note, details are not described herein.
Based on above-mentioned variable electric field generating device, as shown in figure 5, the present invention also provides a kind of electric field fresh-keeping refrigerators, including
Variable electric field generating device 10 described in refrigerator body 20 and above-described embodiment, the variable electric field generating device 10 are installed
In the refrigerator body.The refrigerator body includes refrigerating chamber 21, freezing chamber 22 and compressor room 23；The variable electric field
Generating device includes three electrode plates, and three electrode plates are assemblied in the refrigerating chamber 21, freezing chamber 22 and compression respectively
Machine room 23 makes the refrigerator have fresh-keeping function.By the way that variable electric field generating device 10 to be set in refrigerator, from each electrode plate
Two electrodes between generate a kind of energy field, energy field enhances the enzymatic activity of the intracorporal antioxidase of biology, these enzymes into
One step removes the harmful substances such as the excessive free radicals that organism metabolism generates, and then effectively extends the freshness date of food, then
Plasma active object is generated by the access electric discharge of anion generator 204, and then on the basis of food fresh-keeping, is further killed
It goes out table body bacterial virus.
In conclusion electric field fresh-keeping refrigerator provided by the invention, the present invention using booster circuit 201 by alternating voltage for example
220V is boosted by booster circuit 201, by rectification circuit 203, is exported each variable voltage variable frequency circuit 205, is passed through the change
205 pairs of different electrodes of buckling frequency circuit export the alternating current of different voltage, generate different frequency by different alternating currents
With the electric field of varying strength, refrigerator is allowed to be respectively refrigerating chamber, temperature-changing chamber and each sub- generation electric field of freezing chamber, and refrigerated
The frequency and intensity of the electric field of room, freezing chamber and temperature-changing chamber can be determined according to the temperature respectively set, thus in each electricity
Pole plate generates electric field in its corresponding space, directly generates action of alternative electric field to hydrone, changes hydrogen bond knot between hydrone
Structure, under electric field action, hydrone is formed in conjunction with the molecules such as protein and carbohydrate in conjunction with water, plays protected protein matter
And the effect of carbohydrate；Meanwhile the activity of water is reduced, bacterial growth is suppressed；In addition, variable electric field generating device
Can generate a kind of energy field of proper strength in refrigerator, enhancing refrigeration, soft freezing, frozen food fresh-keeping effect, by negative
The electric discharge of ion generator 204 generates plasma active object, and then on the basis of food fresh-keeping, further kills table body bacterium
Virus.201 good physical performance of booster circuit that the present invention uses, using light-weight metal shell, perfect heat-dissipating, and to whole weight
Amount influences less, and the hard oxidation processes in surface, crocking resistance is good, and can resist the extruding or percussion of certain external force；Bringing onto load adapts to
Property is strong with stability.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of variable electric field generating device, characterized in that it comprises: booster circuit is connected with the booster circuit respectively
The decompression filter circuit and rectification circuit connect, with it is described decompression filter circuit be connected anion generator, at least all the way with
The variable voltage variable frequency circuit of the rectification circuit connection, and the electrode plate with the variable voltage variable frequency circuit connection；The boosting electricity
The input terminal on road is connected with the electric current for providing alternating current, and the anion generator is connected to the rectification circuit and institute
It states between variable voltage variable frequency circuit, and the anion generator is connect with ground wire with the decompression filter circuit.
2. variable electric field generating device according to claim 1, which is characterized in that the variable voltage variable frequency circuit is 3 tunnels, 3 tunnels
Variable voltage variable frequency circuit in parallel, and respectively with refrigerating chamber electrode plate, temperature-changing chamber electrode plate and freezing chamber electrode plate.
3. variable electric field generating device according to claim 2, which is characterized in that the transformation of the freezing chamber electrode plate connection
The frequency range of the alternating current of frequency changer circuit output is 700-1000HZ, and the voltage range of alternating current is 3000-8000v.
4. variable electric field generating device according to claim 2, which is characterized in that the transformation of the temperature-changing chamber electrode plate connection
The frequency range of the alternating current of frequency changer circuit output is 300-700hz, and the voltage range of alternating current is 1500-3000v.
5. variable electric field generating device according to claim 2, which is characterized in that the transformation of the refrigerating chamber electrode plate connection
The frequency range of the alternating current of frequency changer circuit output is 0-300hz, and the voltage range of alternating current is 800-1500v.
6. variable electric field generating device according to claim 1, which is characterized in that the variable voltage variable frequency circuit can be power
Two level direct voltage frequency converter of devices in series, using IGCT, HV-IGBT three-level voltage source frequency converter and use LV-
One of cells cascaded multilevel voltage source frequency converter of IGBT.
7. variable electric field generating device according to claim 1, which is characterized in that the rectification circuit includes full-wave rectification mould
One of block, negative half-wave rectification block or positive half-wave rectification module or any combination thereof.
8. variable electric field generating device according to claim 1, which is characterized in that the decompression filter circuit includes successively connecting
The pressure unit and filter unit connect, the pressure unit are the decompression chip for realizing buck functionality, and filter unit is to realize filter
The filtering chip of wave energy.
9. variable electric field generating device according to claim 1, which is characterized in that the anion generator discharges to earth polar
Generate plasma active object.
10. a kind of variable electric field fresh-keeping refrigerator, which is characterized in that including described in refrigerator body and claim any one of 1-9
Variable electric field generating device with fresh-keeping function, the variable electric field generating device are mounted in the refrigerator body.
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| CN201910488267.2A CN110292064A (en) | 2019-06-05 | 2019-06-05 | A kind of variable electric field generating device and refrigerator |
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| CN201910488267.2A CN110292064A (en) | 2019-06-05 | 2019-06-05 | A kind of variable electric field generating device and refrigerator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401105A (en) * | 2020-11-13 | 2021-02-26 | 南京苏曼等离子科技有限公司 | High-voltage electric field low-temperature plasma cold sterilization system circuit and device |
| CN113016865A (en) * | 2021-04-21 | 2021-06-25 | 徐敏刚 | Food material fresh-keeping method based on electric field |
| CN113544067A (en) * | 2019-10-21 | 2021-10-22 | 火星有限公司 | Storage library |
| CN114754539A (en) * | 2022-04-27 | 2022-07-15 | Tcl家用电器（合肥）有限公司 | Freshness retaining container, refrigerator and freshness retaining method |
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| CN113016865A (en) * | 2021-04-21 | 2021-06-25 | 徐敏刚 | Food material fresh-keeping method based on electric field |
| CN114754539A (en) * | 2022-04-27 | 2022-07-15 | Tcl家用电器（合肥）有限公司 | Freshness retaining container, refrigerator and freshness retaining method |
| CN115493339A (en) * | 2022-10-09 | 2022-12-20 | 长虹美菱股份有限公司 | Energy-saving refrigerator and control method |
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