CN108464342A - The control method of electrostatic field generating means, freshness preserving equipment and electrostatic field - Google Patents
The control method of electrostatic field generating means, freshness preserving equipment and electrostatic field Download PDFInfo
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- CN108464342A CN108464342A CN201810242739.1A CN201810242739A CN108464342A CN 108464342 A CN108464342 A CN 108464342A CN 201810242739 A CN201810242739 A CN 201810242739A CN 108464342 A CN108464342 A CN 108464342A
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- 230000005686 electrostatic field Effects 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000001105 regulatory effect Effects 0.000 claims abstract description 50
- 238000006243 chemical reaction Methods 0.000 claims abstract description 46
- 238000012545 processing Methods 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 15
- 230000009466 transformation Effects 0.000 claims description 5
- 241000208340 Araliaceae Species 0.000 claims description 3
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 3
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 3
- 235000008434 ginseng Nutrition 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 22
- 230000005684 electric field Effects 0.000 abstract description 16
- 230000008859 change Effects 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 7
- 238000004321 preservation Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 235000012055 fruits and vegetables Nutrition 0.000 description 6
- 235000013372 meat Nutrition 0.000 description 6
- 230000002452 interceptive effect Effects 0.000 description 4
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 238000013519 translation Methods 0.000 description 3
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 229910002601 GaN Inorganic materials 0.000 description 2
- 210000000170 cell membrane Anatomy 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
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- 238000009434 installation Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
- A23B7/00—Preservation of fruit or vegetables; Chemical ripening of fruit or vegetables
- A23B7/015—Preserving by irradiation or electric treatment without heating effect
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
- A23B4/00—Preservation of meat, sausages, fish or fish products
- A23B4/015—Preserving by irradiation or electric treatment without heating effect
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention provides a kind of electrostatic field generating means, the control methods of freshness preserving equipment and electrostatic field；Wherein, which includes power input interface, Technics of Power Electronic Conversion circuit, voltage conversion circuit, middle control circuit and discharge circuit；Middle control circuit is used to receive the fresh-keeping parameter of freshness preserving equipment, exports the regulating command of electrostatic field；Regulating command includes voltage regulating command and frequency adjustment instructions；Technics of Power Electronic Conversion circuit carries out rectification and inversion, the electric energy of output setting voltage and setpoint frequency for receiving regulating command, according to regulating command to external power supply；Voltage conversion circuit carries out boosting processing to electric energy；Discharge circuit is used for that treated that electric energy discharges to boosting, generates electrostatic field.The present invention can generate exchange electrostatic field, the parameters such as field strength voltage, alternative frequency to automatically adjust electric field according to antistaling storing condition, fresh-keeping object etc. so that fresh-keeping object is under best antistaling storing environment always, improves the fresh-keeping effect of freshness preserving equipment.
Description
Technical field
The present invention relates to technical field of preservation of fresh, more particularly, to a kind of electrostatic field generating means, freshness preserving equipment and electrostatic field
Control method.
Background technology
Under electrostatic field, the cell membrane potentials such as fruits and vegetables meat change, and reduce the activity of biological enzyme, breathe generation
The activity of thanking is suppressed, and therefore, fruits and vegetables meat is positioned in electrostatic field environment, can effectively improve fresh-keeping effect；It is existing quiet
Electric field preservation technology mostly uses greatly high voltage direct current steady electric field.Since the voltage in high voltage direct current steady electric field source is fixed, it is difficult to protect
Demonstrate,prove various fruits and vegetables meats obtain it is good fresh-keeping；And electric field source is permanently switched on, while there is also high-voltage electrical apparatus to be of coupled connections
Problem causes freshness preserving equipment voltage height, safety poor, and the reliability of fresh-keeping effect is relatively low.
For the relatively low problem of the reliability of above-mentioned direct current constant electric field fresh-keeping effect, effective solution side is not yet proposed
Case.
Invention content
In view of this, the purpose of the present invention is to provide a kind of controls of electrostatic field generating means, freshness preserving equipment and electrostatic field
Method processed, to generate exchange electrostatic field, to automatically adjust the field strength electricity of electric field according to antistaling storing condition, fresh-keeping object etc.
The parameters such as pressure, alternative frequency so that fresh-keeping object is under best antistaling storing environment always, improves the fresh-keeping of freshness preserving equipment
Effect.
In a first aspect, an embodiment of the present invention provides a kind of electrostatic field generating means, which is applied to freshness preserving equipment；It should
Device includes power input interface, Technics of Power Electronic Conversion circuit, voltage conversion circuit, middle control circuit and discharge circuit；Power supply is defeated
Incoming interface is connect with external power supply；Power input interface, Technics of Power Electronic Conversion circuit, voltage conversion circuit and electric discharge electricity
Road is sequentially connected；Middle control circuit is connect with Technics of Power Electronic Conversion circuit；Middle control circuit is used to receive the fresh-keeping parameter of freshness preserving equipment,
Export the regulating command of electrostatic field；Regulating command includes voltage regulating command and frequency adjustment instructions；Technics of Power Electronic Conversion circuit
For receiving regulating command, rectification and inversion, output setting voltage and setting frequency are carried out to external power supply according to regulating command
The electric energy of rate；Voltage conversion circuit carries out boosting processing to electric energy；Discharge circuit is used for that treated that electric energy is put to boosting
Electricity generates electrostatic field.
With reference to first aspect, an embodiment of the present invention provides the first possible embodiments of first aspect, wherein electricity
Power electronics translation circuit includes rectification unit and inversion unit；Rectification unit is used to carry out rectification to external power supply；Inversion list
Member is for according to regulating command, inversion processing, the electric energy of output setting voltage and setpoint frequency to be carried out to the electric energy after rectification.
The first possible embodiment with reference to first aspect, second an embodiment of the present invention provides first aspect can
The embodiment of energy, wherein rectification unit includes full-bridge rectifier；Inversion unit includes full-controlled switch device.
With reference to first aspect, an embodiment of the present invention provides the third possible embodiments of first aspect, wherein electricity
It includes isolated form voltage changer to press translation circuit.
With reference to first aspect, an embodiment of the present invention provides the 4th kind of possible embodiments of first aspect, wherein dress
It further includes parameter acquisition circuit to set；Parameter acquisition circuit is connect with middle control circuit；Parameter acquisition circuit is for acquiring freshness preserving equipment
Fresh-keeping parameter, fresh-keeping parameter is sent to middle control circuit；When fresh-keeping parameter includes at least the enabling frequency of freshness preserving equipment, operation
Between, it is one or more in the temperature of fresh-keeping object, quantity, type.
With reference to first aspect, an embodiment of the present invention provides the 5th kind of possible embodiments of first aspect, wherein ginseng
Number Acquisition Circuit includes man-machine interactive interface unit and/or sensor unit.
With reference to first aspect, an embodiment of the present invention provides the 6th kind of possible embodiments of first aspect, wherein dress
It further includes display circuit to set；Display screen in display circuit is set on the shell of freshness preserving equipment；Display circuit and middle control circuit
Connection；Display circuit is for showing fresh-keeping parameter, and the voltage and frequency of current electrostatic field.
With reference to first aspect, an embodiment of the present invention provides the 7th kind of possible embodiments of first aspect, wherein puts
Circuit includes plate electrodes and grounding electrode；Plate electrodes are oppositely arranged with grounding electrode；Plate electrodes and ground connection
Electrode is set in freshness preserving equipment.
With reference to first aspect, an embodiment of the present invention provides the 8th kind of possible embodiments of first aspect, wherein electricity
Source input interface is additionally operable to connect the power supply of a variety of power supply parameters；Power supply parameter includes voltage class and alternating current-direct current type.
Second aspect, a kind of freshness preserving equipment provided in an embodiment of the present invention, freshness preserving equipment include that above-mentioned electrostatic field generates dress
It sets, further includes storeroom.
The third aspect, a kind of control method of electrostatic field provided in an embodiment of the present invention, method are applied to above-mentioned electrostatic field
Generating means；Method includes：Middle control circuit receives the fresh-keeping parameter of freshness preserving equipment；Fresh-keeping parameter includes at least opening for freshness preserving equipment
Door frequency, run time, it is a variety of in the temperature of fresh-keeping object, quantity, type；Middle control circuit is regular according to preset control,
Generate corresponding regulating command；Regulating command includes voltage regulating command and frequency adjustment instructions；Voltage regulating command includes quiet
The field strength peak value of electric field changes with time rule；Frequency adjustment instructions include that the alternative frequency of electrostatic field changes with time rule
Rule；Preset control rule includes the correspondence of fresh-keeping parameter and regulating command；Middle control circuit exports regulating command to electricity
Power electronics translation circuit；Technics of Power Electronic Conversion circuit adjusts inversion parameter according to regulating command, with output setting voltage and setting
The electric energy of frequency.
The embodiment of the present invention brings following advantageous effect：
A kind of electrostatic field generating means provided in an embodiment of the present invention, the control method of freshness preserving equipment and electrostatic field, pass through
Middle control circuit receives the fresh-keeping parameter of freshness preserving equipment, exports the regulating command of electrostatic field；It is received by Technics of Power Electronic Conversion circuit
The regulating command, and power supply progress rectification and inversion according to regulating command to outside, output setting voltage and setpoint frequency
Electric energy；Boosting processing is carried out to electric energy by voltage conversion circuit；And then by discharge circuit to boosting treated electric energy into
Row electric discharge, generates electrostatic field.The electrostatic field which generates is AC field, can be according to antistaling storing condition, fresh-keeping object
Deng parameters such as field strength voltage, the alternative frequencies for automatically adjusting electric field so that fresh-keeping object is in best antistaling storing ring always
Under border, the fresh-keeping effect of freshness preserving equipment is improved.
Other features and advantages of the present invention will illustrate in the following description, alternatively, Partial Feature and advantage can be with
Deduce from specification or unambiguously determine, or by implement the present invention above-mentioned technology it can be learnt that.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, better embodiment cited below particularly, and match
Appended attached drawing is closed, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram of electrostatic field generating means provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another electrostatic field generating means provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of freshness preserving equipment provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of another freshness preserving equipment provided in an embodiment of the present invention；
Fig. 5 is a kind of flow chart of the control method of electrostatic field provided in an embodiment of the present invention.
Icon：
10- power input interfaces；11- Technics of Power Electronic Conversion circuits；Circuit is controlled in 12-；13- voltage conversion circuits；14- is put
Circuit；110- rectification units；111- inversion units；130- isolated form voltage changers；20- parameter acquisition circuits；21- is shown
Circuit；140- plate electrodes；141- grounding electrodes；30- electrostatic field generating means；31- storerooms；1- Power Entry Modules；
2- rectification modules；3- inverter modules；4- frequency control units；5- voltage transformation modules.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
In view of existing electric field preservation device is using the poor problem of the reliability of direct current constant electric field fresh-keeping effect, originally
Inventive embodiments provide a kind of electrostatic field generating means, the control method of freshness preserving equipment and electrostatic field；The technology can be applied
In freshness preserving equipment, to improve the fresh-keeping effect of fruits and vegetables meat；The equipment that the technology can also be applied to setting electrostatic field
In.
For ease of understanding the present embodiment, first to a kind of electrostatic field generating means disclosed in the embodiment of the present invention
It describes in detail.
A kind of structural schematic diagram of electrostatic field generating means shown in Figure 1；The device include power input interface 10,
Technics of Power Electronic Conversion circuit 11, middle control circuit 12, voltage conversion circuit 13 and discharge circuit 14；
The power input interface 10 is connect with external power supply；Power input interface 10, Technics of Power Electronic Conversion circuit
11, voltage conversion circuit 13 and discharge circuit 14 are sequentially connected；Middle control circuit 12 is connect with Technics of Power Electronic Conversion circuit 11；
Control circuit 12 is used to receive the fresh-keeping parameter of freshness preserving equipment among the above, exports the regulating command of electrostatic field；The adjusting
Instruction includes voltage regulating command and frequency adjustment instructions；Technics of Power Electronic Conversion circuit 11 is for receiving regulating command, according to this
Regulating command carries out rectification and inversion, the electric energy of output setting voltage and setpoint frequency to external power supply；Voltage conversion circuit
13 pairs of electric energy carry out boosting processing；Discharge circuit 14 is used for that treated that electric energy discharges to boosting, generates electrostatic field.
Above-mentioned fresh-keeping parameter can be enabling frequency, the run time of freshness preserving equipment, temperature, quantity, the kind of fresh-keeping object
It is a variety of in class；When research staff controls circuit in setting, fresh-keeping parameter and the correspondence of regulating command can be protected in advance
It deposits into middle control circuit；The correspondence can be the forms such as operational formula, list.After middle control circuit gets fresh-keeping parameter,
By inquiring the correspondence, you can get corresponding regulating command, the discharge parameter of electrostatic field is adjusted to best shape
State.
For example, when the switch gate frequency of freshness preserving equipment is more than given threshold in set period of time, indoor ring is stored
It border may be by larger interference, at this time, it may be necessary to adjust the crest voltage of electrostatic field, or the field strength of adjustment electrostatic field
Change rate, to enhance the preservation of electrostatic field；For another example, the preservation condition that fresh meat usually requires is higher than fruit and vegetable,
When the type of fresh-keeping object is changed to fresh meat by fruit and vegetable, it is usually also required to the crest voltage of adjustment electrostatic field, or
Person adjusts the field strength change rate of electrostatic field, to enhance the preservation of electrostatic field.
A kind of electrostatic field generating means provided in an embodiment of the present invention receive the freshness-keeping ginseng of freshness preserving equipment by middle control circuit
Number, exports the regulating command of electrostatic field；The regulating command is received by Technics of Power Electronic Conversion circuit, and external according to regulating command
The power supply in portion carries out rectification and inversion, the electric energy of output setting voltage and setpoint frequency；By voltage conversion circuit to electric energy into
Row boosting is handled；And then by discharge circuit, to boosting, treated that electric energy discharges, and generates electrostatic field.What which generated
Electrostatic field is AC field, and field strength voltage, the alternation frequency of electric field can be automatically adjusted according to antistaling storing condition, fresh-keeping object etc.
The parameters such as rate so that fresh-keeping object is under best antistaling storing environment always, improves the fresh-keeping effect of freshness preserving equipment.
The structural schematic diagram of another electrostatic field generating means shown in Figure 2；Device electrostatic field shown in Fig. 1
It is realized on the basis of generating means；The device include power input interface 10, Technics of Power Electronic Conversion circuit 11, middle control circuit 12,
Voltage conversion circuit 13 and discharge circuit 14.
Further, which includes rectification unit 110 and inversion unit 111；The rectification unit 110
For carrying out rectification to external power supply；Inversion unit 111 is used to, according to regulating command, carry out at inversion the electric energy after rectification
Reason, the electric energy of output setting voltage and setpoint frequency.In actual implementation, it exports, is serially connected with after the rectified unit rectification of electric energy
Internal direct current busbar, and concatenate inversion unit；The rectification unit and inversion unit are integrally formed Technics of Power Electronic Conversion circuit, function
Be to realize the input of prime power rectifier, and controlled by middle control circuit, output-controlled voltage, frequency electromagnetic energy.
Above-mentioned rectification unit is usually made of main circuit, filter and transformer；The rectification unit can pass through power supply electricity
The main half-wave rectifier of rectification circuit, full-wave rectifier or bridge rectifier in road realize three kinds；The bridge rectifier can be with
For full-bridge rectifier, or half bridge rectifier；Wherein, half bridge rectifier generally includes two triodes or metal-oxide-semiconductor composition
Rectification circuit；Full-bridge rectifier generally includes the rectification circuit of four triodes or metal-oxide-semiconductor composition；Full-bridge rectifier is in rectification
In the process, AC wave shape can first be changed into same polarity and carry out rectification again, and output can all be formed by fully entering waveform, therefore,
The capacity usage ratio of full-bridge rectifier is higher, and load capacity is also stronger；Based on this, the present embodiment is preferably by above-mentioned rectification unit
It is realized by full-bridge rectifier, to obtain stable DC source.
Above-mentioned inversion unit can be realized by a variety of full-controlled switch devices, for example, gate level turn-off thyristor, electric power
Field-effect transistor, igbt；Since gallium nitride has high broadband, high critical breakdown electric field, high saturated electrons
The advantages of drift velocity, high electromobility, therefore, the above-mentioned inversion unit in the present embodiment, pass through gallium nitride (GaN) full-control type
Switching device realizes that reliable inversion exports under high frequency to realize.
In the present embodiment, the prime of above-mentioned Technics of Power Electronic Conversion circuit uses full-bridge rectification, can obtain stable direct current
Voltage source, rear class realize transformation, frequency conversion output using inverter bridge.To ensure the reliability of device, previous elements can be used integrated
Gallium nitride full-controlled switch device can be used in formula single-phase full-wave rectifer circuit, rear class, and to realize, reliable inversion exports under high frequency.
Further, above-mentioned voltage conversion circuit includes isolated form voltage changer 130, which will
It is exported after electric energy boosting.By the isolated form voltage changer, the front stage electrical isolation of circuit may be implemented, avoid it is primary with
Electrical couplings connection between secondary high pressure output so that electrostatic field generating means are with good electrical security and reliably
Property.
Above-mentioned voltage conversion circuit is designed by rational transducer parameters, and equipment is made to have across low frequency and high frequency operating mode
Ability has the advantages that wide range of frequencies adjustment, adjusting range can reach 10Hz~10kHz.Traditional work frequency circuit and high frequency
Circuit design is respectively given priority to, and used permeability magnetic material is different, and frequency range is smaller, therefore same magnetic core converter is realized
Frequency wide range regulation is more difficult.The present embodiment designs during realization by using rational transducer parameters, cooperation
The Rational choice of permeability magnetic material, the means such as optimization converter itself control algolithm, may be implemented wide frequency ranges output.
Above-mentioned electrostatic field generating means further include parameter acquisition circuit 20；The parameter acquisition circuit 20 connects with middle control circuit
It connects；The parameter acquisition circuit 20 is used to acquire the fresh-keeping parameter of freshness preserving equipment, and fresh-keeping parameter is sent to middle control circuit；This is fresh-keeping
Parameter includes at least enabling frequency, the run time of freshness preserving equipment, temperature, quantity, one kind in type or more of fresh-keeping object
Kind；In actual implementation, the specific type of fresh-keeping parameter is not limited to above-mentioned enabling frequency, run time, fresh-keeping object
Temperature, quantity, type etc. can also include other kinds of fresh-keeping parameter.
In actual implementation, above-mentioned parameter Acquisition Circuit includes man-machine interactive interface unit and/or sensor unit；Specifically
Ground, the parameter acquisition circuit can only include man-machine interactive interface unit, can also only include sensor unit, can also include
Man-machine interactive interface unit and sensor unit.The human-machine interface unit can be keyboard, touch screen etc., defeated for receiving user
The fresh-keeping parameter entered, which can also be camera or microphone, for being known by image recognition or voice
Otherwise, fresh-keeping parameter input by user is received.The sensor unit can be the sensing of detection freshness preserving equipment switch gate
The sensors such as device, timer, thermometer, Weight detecting device, for obtaining corresponding fresh-keeping parameter.The sensor unit
In sensor can include temperature-sensitive, photosensitive, wet sensitive, a variety of Sensitive Apparatuses such as air-sensitive, power is quick, Se Min and taste are quick.
Further, above-mentioned apparatus can detect storeroom by the sensor unit (for example, Weight detecting device)
Fresh-keeping object inside whether is preserved, when the storeroom free time, middle control circuit can be closed with automatic control equipment；When being protected in storeroom
When having fresh-keeping object, middle control circuit automatic control equipment is opened, to improve the energy-saving effect of freshness preserving equipment.
Above-mentioned apparatus further includes display circuit 21；Display screen in the display circuit 21 is set to the shell of freshness preserving equipment
On；The display circuit 21 is connect with middle control circuit；The display circuit is for showing fresh-keeping parameter, and the voltage of current electrostatic field
And frequency.By the display circuit, user can easily understand the operating status of every freshness preserving equipment and fresh-keeping object
Deng.
Above-mentioned discharge circuit includes plate electrodes 140 and grounding electrode 141；The plate electrodes 140 and grounding electrode
141 are oppositely arranged；Plate electrodes 140 and grounding electrode 141 are set in freshness preserving equipment.The material of the plate electrodes can be with
For platinum (Pt), the alloy of copper (Cu), zinc (Zn), silver-colored (Ag) or various metals.
For example, when plate electrodes are set at the top of the storeroom of freshness preserving equipment, which, which can be arranged, is storing
The bottom of room；When plate electrodes are set to the left side of the storeroom of freshness preserving equipment, which can be arranged in storeroom
Right side；Certainly, the position of plate electrodes and grounding electrode can also exchange, to make discharge circuit and storeroom entirety shape
At space static electricity field.In general, the electrostatic field generated is between plate electrodes and grounding electrode, therefore fresh-keeping object is placed on
Between plate electrodes and grounding electrode, the fresh-keeping environments of frequency conversion electrostatic field are realized.
Above-mentioned grounding electrode can be accomplished in several ways；For example, the grounding electrode can be connect with the earth, it is such as following
Shown in Fig. 4；In addition, the grounding electrode may be the grounding electrode of form of a metal plate, at this point, the grounding electrode is exhausted with ground
Edge is not connected to ground；The grounding electrode is oppositely arranged with above-mentioned plate electrodes, parallel alignment, shape between two metallic plates
At space exchanging electrostatic field.
In order to improve adaptability of the electrostatic field generating means to application environment, above-mentioned power input interface is additionally operable to connect
The power supply of a variety of power supply parameters；The power supply parameter includes voltage class and alternating current-direct current type.The power input interface can connect
110V~220V different voltages grade alternating current-direct current Mixed design types, wide input voltage range ensure that the electrostatic field generating means exist
It can reliably working under different power supply scenes.
Corresponding to above-mentioned electrostatic field generating means, the embodiment of the present invention additionally provides a kind of freshness preserving equipment, as shown in figure 3,
The equipment includes above-mentioned electrostatic field generating means 30, further includes storeroom 31.The freshness preserving equipment can also include alarm, the report
Alert device can be used for the detection of electrical leakage of freshness preserving equipment, and when equipment is leaked electricity, alarm generates alarm signal, to prompt user
It repairs.
As shown in figure 4, the embodiment of the present invention additionally provides another freshness preserving equipment, which includes Power Entry Module 1
(being equivalent to above-mentioned power input interface), rectification module 2 (being equivalent to above-mentioned rectification unit), inverter module 3 (are equivalent to above-mentioned inverse
Become unit), frequency control unit 4 (be equivalent to and control circuit among the above), voltage transformation module 5 (be equivalent to above-mentioned voltage transformation electricity
Road) and discharge circuit 14；The discharge circuit is set in storeroom.
Wherein, frequency control unit is the comprehensive strategic control system in freshness preserving equipment, system acquisition storeroom and fresh-keeping
All kinds of parameters of object, including switch gate number, time, fresh-keeping object temperature, quantity, type, according to each Parameter Conditions, intelligence
Judgement show that required best current field condition, output voltage, FREQUENCY CONTROL instruction make inverter circuit according to sent instructions work, most
The electric field fresh-keeping environments for generating the change field strength peak value based on time series eventually, becoming field strength change rate.
Freshness preserving equipment provided in an embodiment of the present invention, the electrostatic field generating means provided with above-described embodiment are having the same
Technical characteristic reaches identical technique effect so can also solve identical technical problem.
Corresponding to above-mentioned electrostatic field generating means and above-mentioned freshness preserving equipment, the embodiment of the present invention additionally provides a kind of electrostatic field
Control method, as shown in figure 5, this method be applied to above-mentioned electrostatic field generating means；This method comprises the following steps：
Step S502, middle control circuit receive the fresh-keeping parameter of freshness preserving equipment；Fresh-keeping parameter includes at least opening for freshness preserving equipment
Door frequency, run time, it is one or more in the temperature of fresh-keeping object, quantity, type；
Step S504, middle control circuit generate corresponding regulating command according to preset control rule；The regulating command includes
Voltage regulating command and frequency adjustment instructions；The voltage regulating command includes that the field strength peak value of electrostatic field changes with time rule
Rule；The frequency adjustment instructions include that the alternative frequency of electrostatic field changes with time rule；Above-mentioned preset control rule includes
The correspondence of fresh-keeping parameter and regulating command；
Step S506, middle control circuit export regulating command to Technics of Power Electronic Conversion circuit；
Step S508, Technics of Power Electronic Conversion circuit adjust inversion parameter according to regulating command, with output setting voltage and set
Determine the electric energy of frequency.
The control method of electrostatic field provided in an embodiment of the present invention, can be with by voltage regulating command and frequency adjustment instructions
Generate the electrostatic field environment of particular field strength peak value based on time series, field strength change rate；It can be according to antistaling storing condition, guarantor
Fresh object etc. automatically adjusts the parameters such as the field strength voltage of electric field, alternative frequency so that fresh-keeping object is in most preferably fresh-keeping always
Under storage ambient, the fresh-keeping effect of freshness preserving equipment is improved.
A kind of electrostatic field generating means provided in an embodiment of the present invention, the control method of freshness preserving equipment and electrostatic field propose
A kind of preservation technology based on exchange electrostatic field, which can adjust output field strength peak value, field strength has changed and field strength is made
Use the time；In order to ensure good fresh-keeping effect, the exchange electrostatic field is firstly the need of the suitable field strength peak value of selection, identical life
Object is under different field conditions, and the effect of generation has differences, and therefore, for the feature of biology, selects suitable field intensity peak
Value has best hoarding effect；The exchange electrostatic field also needs to select suitable alternative frequency, different electric field frequencies different
Voltage change ratio du/dt bring different field strength change rates, best field strength needed for different fresh-keeping objects is different, because
This is directed to different fresh-keeping objects, selects specific field strength change rate, and freshness preserving equipment can be made to have best fresh-keeping effect；Separately
Outside, which also needs to select suitable field strength transmitting strategy, for above-mentioned field strength peak value and field strength change rate, combination
Generate the combined strategy of different field strength peak values based on time series, different field strength change rates, it can be deduced that each fresh-keeping object,
Antistaling storing adjusts required best exchange electrostatic field.
A kind of electrostatic field generating means provided in an embodiment of the present invention, the control method of freshness preserving equipment and electrostatic field change
Traditional fixed voltage, fixed frequency, the defect being permanently switched on using automatic pressure-transforming converter technique can be according to fresh-keeping objects
Temperature, water content and reservoir status, select best field strength peak value, field strength change rate target, generate the spy based on time series
Determine the electrostatic field environment of field strength peak value, field strength change rate, to effectively change biological cell membrane potential state, inhibits biological enzyme
Activity, reduce respiratory metabolism activity, inhibit bacterial reproduction, reach optimal anti-staling effect.
The computer of the control method for electrostatic field generating means, freshness preserving equipment and the electrostatic field that the embodiment of the present invention is provided
Program product, including the computer readable storage medium of program code is stored, the instruction that said program code includes can be used for
The method described in previous methods embodiment is executed, specific implementation can be found in embodiment of the method, and details are not described herein.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
Finally it should be noted that：Embodiment described above, only specific implementation mode of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that：Any one skilled in the art
In the technical scope disclosed by the present invention, it can still modify to the technical solution recorded in previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of electrostatic field generating means, which is characterized in that described device is applied to freshness preserving equipment, and described device includes that power supply is defeated
Incoming interface, Technics of Power Electronic Conversion circuit, voltage conversion circuit, middle control circuit and discharge circuit；
The power input interface is connect with external power supply；The power input interface, Technics of Power Electronic Conversion electricity
Road, the voltage conversion circuit and the discharge circuit are sequentially connected；The middle control circuit and the Technics of Power Electronic Conversion circuit
Connection；
The middle control circuit is used to receive the fresh-keeping parameter of the freshness preserving equipment, exports the regulating command of electrostatic field；The adjusting
Instruction includes voltage regulating command and frequency adjustment instructions；The Technics of Power Electronic Conversion circuit is used to receive the regulating command,
Rectification and inversion, the electric energy of output setting voltage and setpoint frequency are carried out to external power supply according to the regulating command；It is described
Voltage conversion circuit carries out boosting processing to the electric energy；The discharge circuit is used for that treated that electric energy is put to boosting
Electricity generates electrostatic field.
2. the apparatus according to claim 1, which is characterized in that the Technics of Power Electronic Conversion circuit includes rectification unit and inverse
Become unit；
The rectification unit is used to carry out rectification to external power supply；The inversion unit is used for according to the regulating command, right
Electric energy after rectification carries out inversion processing, the electric energy of output setting voltage and setpoint frequency.
3. the apparatus of claim 2, which is characterized in that the rectification unit includes full-bridge rectifier；The inversion
Unit includes full-controlled switch device.
4. the apparatus according to claim 1, which is characterized in that the voltage conversion circuit includes isolated form voltage transformation
Device.
5. the apparatus according to claim 1, which is characterized in that described device further includes parameter acquisition circuit；
The parameter acquisition circuit is connect with the middle control circuit；The parameter acquisition circuit is for acquiring the freshness preserving equipment
The fresh-keeping parameter is sent to the middle control circuit by fresh-keeping parameter；The fresh-keeping parameter includes at least the freshness preserving equipment
Enabling frequency, run time, it is one or more in the temperature of fresh-keeping object, quantity, type.
6. the apparatus according to claim 1, which is characterized in that described device further includes display circuit；
Display screen in the display circuit is set on the shell of the freshness preserving equipment；The display circuit and the middle control electricity
Road connects；The display circuit is for showing the fresh-keeping parameter, and the voltage and frequency of current electrostatic field.
7. the apparatus according to claim 1, which is characterized in that the discharge circuit includes plate electrodes and ground connection electricity
Pole；
The plate electrodes are oppositely arranged with the grounding electrode；The plate electrodes and the grounding electrode are set to institute
It states in freshness preserving equipment.
8. the apparatus according to claim 1, which is characterized in that the power input interface is additionally operable to connect a variety of power supply ginsengs
Several power supplies；The power supply parameter includes voltage class and alternating current-direct current type.
9. a kind of freshness preserving equipment, which is characterized in that the freshness preserving equipment includes the life of claim 1-8 any one of them electrostatic fields
Further include storeroom at device.
10. a kind of control method of electrostatic field, which is characterized in that the method is applied to claim 1-8 any one of them
Electrostatic field generating means；The method includes：
Middle control circuit receives the fresh-keeping parameter of freshness preserving equipment；The fresh-keeping parameter includes at least the enabling frequency of the freshness preserving equipment
Rate, run time, it is one or more in the temperature of fresh-keeping object, quantity, type；
The middle control circuit generates corresponding regulating command according to preset control rule；The regulating command includes voltage tune
Section instruction and frequency adjustment instructions；The voltage regulating command includes that the field strength peak value of the electrostatic field changes with time rule
Rule；The frequency adjustment instructions include that the alternative frequency of the electrostatic field changes with time rule；The preset control rule
Then include the correspondence of the fresh-keeping parameter and the regulating command；
The middle control circuit exports the regulating command to Technics of Power Electronic Conversion circuit；
The Technics of Power Electronic Conversion circuit adjusts inversion parameter according to the regulating command, with output setting voltage and setting frequency
The electric energy of rate.
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| CN201810242739.1A CN108464342B (en) | 2018-03-22 | 2018-03-22 | Electrostatic field generating device, fresh-keeping equipment and electrostatic field control method |
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| CN201810242739.1A CN108464342B (en) | 2018-03-22 | 2018-03-22 | Electrostatic field generating device, fresh-keeping equipment and electrostatic field control method |
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| CN110271771A (en) * | 2019-07-19 | 2019-09-24 | 清华大学 | A kind of cellular memory, cell storage device and cell storage method that optimization cell saves |
| CN110477684A (en) * | 2019-08-14 | 2019-11-22 | 长虹美菱股份有限公司 | A kind of room temperature fruits and vegetables storing goods shelf |
| CN113438899A (en) * | 2019-05-14 | 2021-09-24 | 火星有限公司 | Storage cabinet and storage method |
| CN114909868A (en) * | 2022-04-27 | 2022-08-16 | Tcl家用电器（合肥）有限公司 | Meat preservation method and refrigerator |
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