CN113108538A - Refrigerator based on pulsed electric field sterilization, system and control method thereof - Google Patents
Refrigerator based on pulsed electric field sterilization, system and control method thereof Download PDFInfo
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- CN113108538A CN113108538A CN202110420581.4A CN202110420581A CN113108538A CN 113108538 A CN113108538 A CN 113108538A CN 202110420581 A CN202110420581 A CN 202110420581A CN 113108538 A CN113108538 A CN 113108538A
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- electric field
- refrigerator
- sterilization
- pulsed
- pulse
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a refrigerator based on pulsed electric field sterilization, a system and a control method thereof, and relates to the technical field of refrigerator sterilization, the refrigerator comprises a refrigerator, wherein a pulsed electric field device and a refrigerator control panel are arranged on the refrigerator, the pulsed electric field device comprises an electric field generating device and an electric field releasing device, the electric field generating device is electrically connected with the refrigerator control panel, the electric field generating device is electrically connected with the electric field releasing device, the pulsed electric field releasing strength of the electric field releasing device is 1-10kV/cm, and the input frequency is 1-20 Hz. Through set up the pulse electric field of specific frequency, intensity in the refrigerator, utilize the pulse electric field of high pressure low current to meet the sterilization that realizes refrigerator storage space contactless, be different from technologies such as conventional ozone, photocatalysis, this technology can directly act on bacterial cell structure, does not have the potential safety hazard, and device convenient operation, simple structure.
Description
Technical Field
The invention belongs to the technical field of refrigerator sterilization, and particularly relates to a refrigerator with a sterilization device, in particular to a refrigerator based on pulse electric field sterilization, a system and a control method thereof.
Background
The sterilization technology applied in the refrigerator mainly comprises negative ions, photocatalysis, lysozyme and the like, wherein the negative ions are divided into an ion generating device and natural ores capable of releasing negative ion components. The negative ions destroy the molecular protein structure of microorganisms such as bacteria and viruses, and cause structural change or energy transfer, thereby killing the microorganisms such as bacteria and viruses. Photocatalysis mainly utilizes a catalyst to generate cavities under the action of ultraviolet light or visible light, and can destroy the cell membrane and the protein structure of bacteria to kill the bacteria. Lysozyme breaks the glycosidic bond in the cell wall, so that the insoluble mucopolysaccharide of the cell wall is decomposed into soluble glycopeptide, the cell wall is broken, and the content escapes to dissolve and kill the bacteria.
Earlier stage researches find that the pulse electric field with specific frequency and strength can kill bacteria, and the main principle is as follows: the potential difference exists between the inside and the outside of the bacterial cell membrane, and the breakdown of the cell membrane can be realized by the external pulse electric field to cause the irreversible change of the cell membrane, thereby achieving the effect of killing microorganisms without generating heat effect.
Disclosure of Invention
The invention aims to provide a refrigerator based on pulsed electric field sterilization, a system and a control method thereof.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a refrigerator based on pulse electric field sterilization, a system and a control method thereof, and the refrigerator based on pulse electric field sterilization comprises a refrigerator; the refrigerator comprises a refrigerating chamber and a freezing chamber; a foaming layer is arranged in the refrigerator chamber; the refrigerator is provided with a pulse electric field device and a refrigerator control panel; the pulse electric field device comprises an electric field generating device and an electric field releasing device; the electric field release device has the pulse electric field release strength of 1-10kV/cm and the input frequency of 1-10 Hz.
As a further improvement of the invention, the electric field generating device is arranged at any position of the back, the top and the side of the refrigerator body.
As a further improvement of the invention, the refrigerator control panel is arranged at any position of the back, the top and the side of the refrigerator body.
As a further improvement of the present invention, the electric field releasing device may be in any shape of a sheet, a rod or a block; at least one electric field release device is arranged on the inner side of the foaming layer at any position of the top, the bottom, the back and the side of the refrigerator compartment.
As a further improvement of the invention, the electric field releasing devices comprise four electric field releasing devices which are respectively arranged in parallel and opposite positions in the refrigerating chamber and the freezing chamber of the refrigerator.
As a further improvement of the invention, the electric field releasing device is fixed with the inner side of the foaming layer through an adhesive tape; and a limiting groove for determining the installation position of the electric field release device is arranged on the inner side of the foaming layer.
As a further improvement of the invention, the surface of the electric field releasing device connected with the refrigerator compartment is provided with a conductive coating capable of increasing the discharge area.
As a further improvement of the invention, the conductive coating is a metal aluminum plate.
A refrigerator system based on pulse electric field sterilization comprises a refrigerator based on pulse electric field sterilization; the electric field generating device is electrically connected with the refrigerator control panel; the electric field generating device is electrically connected with the electric field releasing device.
A control method of a refrigerator system based on pulsed electric field sterilization comprises the following steps:
STP1, starting the sterilization function through a button of a control panel of the refrigerator;
STP2, refrigerator control panel starting electric field generator to generate pulse electric field with specific frequency and intensity;
STP3, the electric field generating device transmits the pulsed electric field into the electric field discharge device, which discharges the pulsed electric field in the refrigerator compartment.
The invention has the following beneficial effects:
1. according to the invention, the refrigerator is provided with the pulse electric field device and the refrigerator control panel, the electric field generating device is electrically connected with the refrigerator control panel and the electric field generating device is electrically connected with the electric field releasing device, and the pulse electric field with specific frequency and strength is arranged in the refrigerator, so that the non-contact sterilization of the storage space of the refrigerator is realized by utilizing the high-voltage low-current pulse electric field.
2. According to the invention, the electric field release device is connected with the surface of the refrigerator compartment, the conductive coating is a metal aluminum plate, and the metal aluminum plate increases the discharge area of the electric field release device and enhances the uniformity of a pulse electric field.
Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flowchart illustrating a method for controlling a refrigerator system based on pulsed electric field sterilization according to the present invention;
FIG. 2 is a schematic diagram of a pulsed electric field sterilization based refrigerator system of the present invention;
FIG. 3 is a schematic structural diagram of a refrigerator based on pulsed electric field sterilization;
in the drawings, the components represented by the respective reference numerals are listed below:
1-an electric field generating device, 2-an electric field releasing device, 3-a refrigerator control panel, 4-a foaming layer, 5-a conductive coating, 6-an inner container and 7-a box body shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "side", "back", "bottom", "top", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, the present invention relates to a refrigerator based on pulsed electric field sterilization, a system thereof, and a control method thereof.
Referring to fig. 3, a refrigerator based on pulsed electric field sterilization comprises a refrigerator, the refrigerator comprises a cold storage chamber and a freezing chamber, a foaming layer 4 is arranged in the refrigerator chamber, a pulsed electric field device and a refrigerator control panel 3 are arranged on the refrigerator, the pulsed electric field device comprises an electric field generating device 1 and an electric field releasing device 2, the pulsed electric field releasing intensity of the electric field releasing device 2 is 1-10kV/cm, and the input frequency is 1-20 Hz.
Preferably, the electric field generating device 1 is provided at any position of the back, top and side of the refrigerator body, and the refrigerator control panel 3 is provided at any position of the back, top and side of the refrigerator body.
Preferably, the electric field releasing device 2 may be in any shape of a sheet, a bar or a block, and at least one of the electric field releasing devices 2 is disposed inside the foaming layer 4 at any position of the top, the bottom, the back and the side of the refrigerator compartment.
Preferably, the electric field releasing devices 2 include four electric field releasing devices, which are respectively arranged in parallel and opposite positions in the refrigerating chamber and the freezing chamber of the refrigerator.
Preferably, the electric field release device 2 is fixed with the inner side of the foaming layer 4 through an adhesive tape, and a limiting groove for determining the installation position of the electric field release device 2 is arranged on the inner side of the foaming layer 4.
Preferably, the electric field release 2 is connected the refrigerator room department surface and is equipped with the conductive coating 5 of multiplicable discharge area, and conductive coating 5 is metal aluminum plate, and metal aluminum plate has increased electric field release's discharge area, has strengthened the homogeneity of pulse electric field.
Referring to fig. 2, a refrigerator system based on pulsed electric field sterilization includes a refrigerator based on pulsed electric field sterilization, an electric field generating device 1 electrically connected to a refrigerator control panel 3, and the electric field generating device 1 electrically connected to an electric field releasing device 2.
Referring to fig. 1, a method for controlling a refrigerator system based on pulsed electric field sterilization includes the following steps:
STP1, starting the sterilization function through the button of the refrigerator control panel 3,
STP2 and refrigerator control panel 3 start electric field generator 1 to generate pulse electric field with specific frequency and intensity,
STP3, the electric field generator 1 transmits the pulse electric field to the electric field discharge device 2, and the electric field discharge device 2 discharges the pulse electric field in the refrigerator compartment.
In this embodiment: the pulse electric field sterilization mechanism is as follows: the pulse electric field generates a magnetic field, and the pulse electric field and the pulse magnetic field alternately act to increase the permeability of the cell membrane, intensify the oscillation and weaken the strength of the membrane, so that the membrane is damaged, substances in the membrane easily flow out, substances outside the membrane easily permeate, and the protective effect of the cell membrane is weakened or even disappears.
This embodiment is through setting up the pulse electric field of specific frequency, intensity in the refrigerator, utilizes the pulse electric field of high-pressure low current to meet the sterilization that realizes refrigerator storage space contactless, is different from techniques such as conventional ozone, photocatalysis, and this technique can direct action bacterial cell structure, does not have the potential safety hazard, and device convenient operation, simple structure.
The verification method for verifying the sterilization test of the pulsed electric field device in this embodiment is as follows: after being coated on a culture dish, the bacteria are put into a refrigerating chamber (set at 4 ℃) of a refrigerator, the electric field intensity of different pulse electric fields is set, the sterilization rate is judged according to the total number of bacterial colonies, and the test data are as follows:
| electric field intensity | 1KV/cm | 2KV/cm | 3KV/cm | 5KV/cm | 10KV/cm |
| Frequency of | 10Hz | 10Hz | 10Hz | 10Hz | 10Hz |
| Rate of sterilization | 72.3％ | 81.6％ | 92.7％ | 99.9％ | 99.9％ |
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A refrigerator based on pulse electric field sterilization comprises a refrigerator; the refrigerator comprises a refrigerating chamber and a freezing chamber; a foaming layer (4) is arranged in the refrigerator chamber; the method is characterized in that:
the refrigerator is provided with a pulse electric field device and a refrigerator control panel (3); the pulse electric field device comprises an electric field generating device (1) and an electric field releasing device (2);
the release intensity of the pulse electric field of the electric field release device (2) is 1-10kV/cm, and the input frequency is 1-20 Hz.
2. The refrigerator based on pulsed electric field sterilization according to claim 1, characterized in that: the electric field generating device (1) is arranged at any position of the back, the top and the side of the refrigerator body.
3. The refrigerator based on pulsed electric field sterilization according to claim 1, characterized in that: the refrigerator control panel (3) is arranged at any position of the back, the top and the side of the refrigerator body.
4. The refrigerator based on pulsed electric field sterilization according to claim 1, characterized in that: the electric field release device (2) can be in any shape of a sheet shape, a rod shape or a block shape; at least one electric field release device (2) is arranged at the inner side of the foaming layer (4) at any position of the top, the bottom, the back and the side of the refrigerator compartment.
5. The refrigerator based on pulsed electric field sterilization according to claim 4, wherein: the electric field release devices (2) comprise four electric field release devices which are respectively arranged in parallel and opposite positions in a refrigerating chamber and a freezing chamber of the refrigerator.
6. The refrigerator based on pulsed electric field sterilization according to claim 5, wherein: the electric field release device (2) and the inner side of the foaming layer (4) are fixed through an adhesive tape; and a limiting groove for determining the installation position of the electric field release device (2) is arranged on the inner side of the foaming layer (4).
7. The refrigerator based on pulsed electric field sterilization according to claim 6, wherein: the surface of the electric field release device (2) connected with the refrigerator compartment is provided with a conductive coating (5) capable of increasing the discharge area.
8. The refrigerator based on pulsed electric field sterilization according to claim 7, wherein: the conductive coating (5) is a metal aluminum plate.
9. The utility model provides a refrigerator system based on pulsed electric field is disinfected which characterized in that: a refrigerator comprising a pulsed electric field based sterilization according to any one of the preceding claims 1 to 8; the electric field generating device (1) is electrically connected with the refrigerator control panel (3); the electric field generating device (1) is electrically connected with the electric field releasing device (2).
10. A control method of a refrigerator system based on pulsed electric field sterilization is characterized in that: the refrigerator system based on pulsed electric field sterilization as claimed in claim 9, and the following processes:
STP1, starting the sterilization function through a button of a refrigerator control panel (3);
STP2, refrigerator control panel (3) starts electric field generator (1) to generate pulse electric field with specific frequency and intensity;
STP3 and the electric field generating device (1) transmit the pulse electric field to the electric field releasing device (2), and the electric field releasing device (2) releases the pulse electric field in the refrigerator compartment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110420581.4A CN113108538A (en) | 2021-04-19 | 2021-04-19 | Refrigerator based on pulsed electric field sterilization, system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110420581.4A CN113108538A (en) | 2021-04-19 | 2021-04-19 | Refrigerator based on pulsed electric field sterilization, system and control method thereof |
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| Publication Number | Publication Date |
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| CN113108538A true CN113108538A (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110420581.4A Pending CN113108538A (en) | 2021-04-19 | 2021-04-19 | Refrigerator based on pulsed electric field sterilization, system and control method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202470600U (en) * | 2011-12-30 | 2012-10-03 | 河南新飞电器有限公司 | Frequency-variable pulse magnetic-field anti-bacteria fresh-keeping device and anti-bacteria fresh-keeping refrigerator |
| CN203964535U (en) * | 2014-06-13 | 2014-11-26 | 合肥华凌股份有限公司 | Refrigerator |
| CN208332807U (en) * | 2018-05-11 | 2019-01-04 | 长虹美菱股份有限公司 | A kind of electric field fresh-keeping refrigerator |
| CN208370842U (en) * | 2017-11-23 | 2019-01-15 | 华南理工大学 | A kind of household tension pulse electric field sterilizing apparatus |
| CN110671876A (en) * | 2019-09-10 | 2020-01-10 | 珠海格力电器股份有限公司 | Supercooling freezing method, refrigerator and refrigerator control method |
| CN112097449A (en) * | 2020-10-23 | 2020-12-18 | 长虹美菱股份有限公司 | Refrigerator with ripening acceleration function and control method |
-
2021
- 2021-04-19 CN CN202110420581.4A patent/CN113108538A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202470600U (en) * | 2011-12-30 | 2012-10-03 | 河南新飞电器有限公司 | Frequency-variable pulse magnetic-field anti-bacteria fresh-keeping device and anti-bacteria fresh-keeping refrigerator |
| CN203964535U (en) * | 2014-06-13 | 2014-11-26 | 合肥华凌股份有限公司 | Refrigerator |
| CN208370842U (en) * | 2017-11-23 | 2019-01-15 | 华南理工大学 | A kind of household tension pulse electric field sterilizing apparatus |
| CN208332807U (en) * | 2018-05-11 | 2019-01-04 | 长虹美菱股份有限公司 | A kind of electric field fresh-keeping refrigerator |
| CN110671876A (en) * | 2019-09-10 | 2020-01-10 | 珠海格力电器股份有限公司 | Supercooling freezing method, refrigerator and refrigerator control method |
| CN112097449A (en) * | 2020-10-23 | 2020-12-18 | 长虹美菱股份有限公司 | Refrigerator with ripening acceleration function and control method |
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Application publication date: 20210713 |
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