CN111336746A - Electric field generating device for refrigerator - Google Patents
Electric field generating device for refrigerator Download PDFInfo
- Publication number
- CN111336746A CN111336746A CN202010170807.5A CN202010170807A CN111336746A CN 111336746 A CN111336746 A CN 111336746A CN 202010170807 A CN202010170807 A CN 202010170807A CN 111336746 A CN111336746 A CN 111336746A
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- China
- Prior art keywords
- voltage
- electric field
- refrigerator
- input terminal
- transformer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
Abstract
The invention discloses an electric field generating device for a refrigerator, and relates to the technical field of household appliances. The invention comprises a high voltage generator and an electric field release device; the high-voltage generator comprises a voltage input terminal, a shell, a filling material, a high-voltage transformer, a protective impedance and a voltage output terminal; the high-voltage transformer adopts a power frequency transformer; the electric field release device comprises a voltage input terminal and an insulated wire; the voltage output terminal is connected with the voltage input terminal; the insulated conducting wire can be wound at any position of an inner container, a foaming layer and a door body of the refrigerator body. The invention adopts the power frequency transformer and has the function of protecting impedance through the high-voltage generator, and compared with a high-voltage generating circuit consisting of semiconductor power elements, the invention has the advantages of simple process, low cost, long service life, direct contact of an electric field release device by a human body, high safety, no need of thick and heavy insulating materials due to the use of basic insulation, and saving of a large amount of insulating materials.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to an electric field generating device for a refrigerator.
Background
The electric field fresh-keeping technology is more and more widely applied to the field of food fresh-keeping, the electric field fresh-keeping has the characteristics of no heat effect, low energy consumption, small food temperature rise amplitude, no influence on the quality of food and the like, and the food can obtain better fresh-keeping effect when placed in an electric field.
The existing electric field fresh-keeping technology has complex structure and high cost, and has certain potential safety hazard due to the existence of high voltage.
Meanwhile, in practical application, the device using the existing electric field preservation technology has the advantage that the preservation effect of partial food is always poorer than that of most foods preserved together. After analysis, the method is limited by the existing electric field preservation technology, the uniformity of the electric field, particularly some foods at the corners of the equipment, is not covered by enough electric field, and therefore the preservation effect is reduced.
The existing electric field preservation technology has the following defects: 1. the high-voltage generator is formed by using semiconductor power elements and the like, and the high-voltage generator has high cost, limited service life and high failure rate; 2. the electric field release device is mainly composed of metal plates and metal rods, the needed conductive materials are more, and the cost is high; 3. the electric field release device is provided with high voltage, and the safety is poor, so that more insulating materials are needed to ensure the thickness of the insulating materials; 4. due to the installation space problem, corresponding installation and fixing positions need to be reserved in product design by using electric field release devices in the forms of metal plates and the like, and the difficulty in upgrading and modifying old equipment is high; 5. the uniformity of electric field distribution is not good, and especially the electric field intensity at the corner position is not enough to keep fresh and has poor effect.
Disclosure of Invention
The invention aims to provide an electric field generating device for a refrigerator, which adopts a power frequency transformer and is provided with a protective impedance function through a high-voltage generator, and has the advantages of simple process, low cost, long service life, direct contact of an electric field releasing device by a human body, high safety, realization of basic insulation, no need of thick insulating materials and saving of a large amount of insulating materials compared with a high-voltage generating circuit consisting of semiconductor power elements.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an electric field generating device for a refrigerator, which comprises a high-voltage generator and an electric field releasing device; the high-voltage generator comprises a voltage input terminal, a shell, a filling material, a high-voltage transformer, a protective impedance and a voltage output terminal; the high-voltage transformer adopts a power frequency transformer; the electric field release device comprises a voltage input terminal and an insulated wire; the voltage output terminal is connected with the voltage input terminal;
the high-voltage transformer adopts a power frequency transformer; compared with a high-voltage generating circuit consisting of semiconductor power elements, the high-voltage generating circuit has the advantages of simple process, low cost and long service life; the high-voltage generator device is internally provided with a protective impedance for limiting current and discharge capacity besides a power frequency transformer, and the number and the type of the protective impedance meet related safety requirements, belong to parts which can be regarded as uncharged, and have the advantages of direct contact of human bodies and high safety; therefore, thick and heavy insulating materials are not needed, and a large amount of insulating materials are saved; the electric field release device is formed by using a common insulated wire, has low requirements on installation space and installation process, and is easy to modify and upgrade old equipment; the voltage at the voltage output terminal is higher, but protective impedance exists, the discharge current and the discharge amount are limited in a safe range, and the insulated wire is a common insulated wire without reinforcing insulation.
Further, the refrigerator also comprises a refrigerator body; the refrigerator body comprises a refrigerating chamber, a temperature changing chamber and a freezing chamber; the high-voltage generator is fixedly arranged in the refrigerator body; the insulated conducting wire of the electric field release device can be wound at any position of an inner container, a foaming layer and a door body of the refrigerator body;
the insulated conductor is used for winding any one position of an inner container, a foaming layer and a door body of the refrigerator body, and has the advantages of good electric field distribution uniformity and approximate electric field intensity of each point in space; the distance between each point in the refrigerator space and the distance between the electric field release devices are relatively average, the electric field intensity is high, the uniformity is good, and each point in the refrigerator space obtains good electric field fresh-keeping performance.
Furthermore, the filling material is made of epoxy resin material, and has good purposes of insulation, heat dissipation, water resistance and the like.
Furthermore, the rated working frequency of the high-voltage transformer is 50-60Hz, and the rated output voltage is 1000-1500V.
Furthermore, the protective impedance is composed of a capacitor and/or a resistor and is used for limiting the discharge current and the discharge amount within a safe range, so that the advantages of direct contact by a human body and high safety are achieved.
The invention has the following beneficial effects:
1. the invention adopts a power frequency transformer through a high-voltage transformer; compared with a high-voltage generating circuit composed of semiconductor power elements, the high-voltage generating circuit has the advantages of simple process, low cost and long service life.
2. The high-voltage generator device is internally provided with the protective impedance for limiting current and discharge capacity, the number and the type of the protective impedance meet related safety requirements, and the protective impedance belongs to a part which can be regarded as uncharged, although the voltage at a voltage output terminal is higher, the protective impedance exists, the discharge current and the discharge capacity are limited in a safety range, and the insulated wire uses a common insulated wire without strengthening insulation; namely, the utility model has the advantages of direct contact of human body and high safety.
3. The electric field release device can be directly contacted by a human body, so that the safety is high, thick insulating materials are not needed, and a large amount of insulating materials are saved; the electric field release device is formed by using a common insulated wire, has low requirements on installation space and installation process, and is easy to modify and upgrade old equipment.
4. The invention winds any position of the inner container, the foaming layer and the door body of the refrigerator body through the insulated conducting wire, and has the advantages of good electric field distribution uniformity and approximate electric field intensity of each point in space; namely, the insulated conducting wire is wound on a space which needs food preservation, under the arrangement method, the distance between each point in the space and the distance between the electric field release devices are relatively even, and the distribution uniformity of the electric field is good; the food fresh-keeping agent has the advantages of obviously improving the food fresh-keeping effect and having low manufacturing cost while obviously improving the food fresh-keeping effect.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
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 schematic structural view of an electric field generating apparatus for a refrigerator according to the present invention;
FIG. 2 is a schematic view of the electric field releasing device and the refrigerator body according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-high voltage generator, 2-electric field release, 3-refrigerator cabinet, 101-voltage input terminal, 102-filling material, 103-high voltage transformer, 104-protective impedance, 105-voltage output terminal, 201-voltage input terminal, 202-insulated wire, 301-refrigerating chamber, 302-temperature-changing chamber, 303-freezing chamber.
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 "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-2, the present invention relates to an electric field generator for a refrigerator, which comprises a high voltage generator 1 and an electric field releasing device 2; the high voltage generator 1 comprises a voltage input terminal 101 and a shell, a filling material 102, a high voltage transformer 103, a protective impedance 104 and a voltage output terminal 105; the high-voltage transformer 103 is a power frequency transformer; the electric field releasing device 2 includes a voltage input terminal 201 and an insulated wire 202; the voltage output terminal 105 is connected to the voltage input terminal 201;
the high-voltage transformer 103 is a power frequency transformer; compared with a high-voltage generating circuit consisting of semiconductor power elements, the high-voltage generating circuit has the advantages of simple process, low cost and long service life; besides the power frequency transformer, the high-voltage generator device 2 is also provided with a protective impedance 104 for limiting current and discharge capacity, and the number and the type of the protective impedance 104 meet the relevant safety requirements, and belong to parts which can be regarded as uncharged, namely, the high-voltage generator device has the advantages that the high-voltage generator device can be directly contacted by a human body and has high safety; therefore, thick and heavy insulating materials are not needed, and a large amount of insulating materials are saved; the electric field release device 2 is formed by common insulated wires, has low requirements on installation space and installation process, and is easy to modify and upgrade old equipment; the voltage at the voltage output terminal 105 is high, but the existence of the protective impedance 104 limits the discharge current and the discharge amount within a safe range, and the insulated wire 202 uses a common insulated wire without strengthening the insulation.
Preferably, a refrigerator cabinet 3; the refrigerator cabinet 3 includes a refrigerating compartment 301, a temperature-changing compartment 302, and a freezing compartment 303; the high-voltage generator 1 is fixedly arranged inside the refrigerator body 3; the insulated conducting wire 202 of the electric field release device 2 can be wound at any position of an inner container, a foaming layer and a door body of the refrigerator body 3;
the insulated conducting wire 202 winds any one position of an inner container, a foaming layer and a door body of the refrigerator body 3, and has the advantages of good electric field distribution uniformity and approximate electric field intensity of each point in space.
Preferably, the filling material 102 is made of epoxy resin material, and has good insulation, heat dissipation, waterproof and other purposes.
Preferably, the rated operating frequency of the high voltage transformer 103 is 50-60Hz, and the rated output voltage is 1000-1500V.
Preferably, the protection impedance 104 is formed by a capacitor and/or a resistor to limit the discharge current and the discharge amount within a safe range, so as to achieve the advantage of direct contact by a human body and high safety.
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 embodiments 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 (5)
1. An electric field generating device for a refrigerator comprises a high voltage generator (1) and an electric field releasing device (2); the method is characterized in that:
the high-voltage generator (1) comprises a voltage input terminal (101), a shell, a filling material (102), a high-voltage transformer (103), a protective impedance (104) and a voltage output terminal (105);
the high-voltage transformer (103) adopts a power frequency transformer;
the electric field release device (2) comprises a voltage input terminal (201) and an insulated wire (202);
the voltage output terminal (105) is connected to the voltage input terminal (201).
2. The electric field generating apparatus for a refrigerator according to claim 1, further comprising a refrigerator body (3); the refrigerator body (3) comprises a refrigerating chamber (301), a temperature changing chamber (302) and a freezing chamber (303); the high-voltage generator (1) is fixedly arranged inside the refrigerator body (3); the insulated conducting wire (202) of the electric field release device (2) can be wound at any position of an inner container, a foaming layer and a door body of the refrigerator body (3).
3. The electric field generating apparatus for a refrigerator according to claim 1 or 2, wherein the filling material (102) is an epoxy resin material.
4. The electric field generating apparatus for a refrigerator as claimed in claim 1 or 2, wherein the rated operating frequency of the high voltage transformer (103) is 50-60Hz, and the rated output voltage is 1000-1500V.
5. An electric field generating device for a refrigerator according to claim 1 or 2, characterized in that said protective impedance (104) is constituted by a capacitor and/or a resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010170807.5A CN111336746A (en) | 2020-03-12 | 2020-03-12 | Electric field generating device for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010170807.5A CN111336746A (en) | 2020-03-12 | 2020-03-12 | Electric field generating device for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111336746A true CN111336746A (en) | 2020-06-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010170807.5A Pending CN111336746A (en) | 2020-03-12 | 2020-03-12 | Electric field generating device for refrigerator |
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| Country | Link |
|---|---|
| CN (1) | CN111336746A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344640A (en) * | 2020-11-06 | 2021-02-09 | 合肥美菱物联科技有限公司 | Electric field fresh-keeping device and refrigerator thereof |
| CN112413987A (en) * | 2020-11-20 | 2021-02-26 | 合肥美菱物联科技有限公司 | Electric field fresh-keeping device and refrigerator applying same |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07155154A (en) * | 1993-12-07 | 1995-06-20 | Matsushita Refrig Co Ltd | Refrigerator |
| CN1225558A (en) * | 1997-03-17 | 1999-08-11 | 伊东昭典 | Method and equipment for treating electrostatic field and electrode used therein |
| WO2008004765A2 (en) * | 2006-07-01 | 2008-01-10 | Lg Electronics, Inc. | Supercooling apparatus |
| WO2010079945A2 (en) * | 2009-01-08 | 2010-07-15 | 엘지전자 주식회사 | Supercooling system |
| CN103904559A (en) * | 2014-02-17 | 2014-07-02 | 後藤錦隆 | Space potential generation device |
| CN108562093A (en) * | 2018-05-11 | 2018-09-21 | 长虹美菱股份有限公司 | A kind of electric field fresh-keeping refrigerator |
| CN110200188A (en) * | 2019-03-25 | 2019-09-06 | 安徽康佳同创电器有限公司 | A kind of electric field generation device and electric field fresh-keeping refrigerator |
-
2020
- 2020-03-12 CN CN202010170807.5A patent/CN111336746A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07155154A (en) * | 1993-12-07 | 1995-06-20 | Matsushita Refrig Co Ltd | Refrigerator |
| CN1225558A (en) * | 1997-03-17 | 1999-08-11 | 伊东昭典 | Method and equipment for treating electrostatic field and electrode used therein |
| WO2008004765A2 (en) * | 2006-07-01 | 2008-01-10 | Lg Electronics, Inc. | Supercooling apparatus |
| WO2010079945A2 (en) * | 2009-01-08 | 2010-07-15 | 엘지전자 주식회사 | Supercooling system |
| CN103904559A (en) * | 2014-02-17 | 2014-07-02 | 後藤錦隆 | Space potential generation device |
| CN108562093A (en) * | 2018-05-11 | 2018-09-21 | 长虹美菱股份有限公司 | A kind of electric field fresh-keeping refrigerator |
| CN110200188A (en) * | 2019-03-25 | 2019-09-06 | 安徽康佳同创电器有限公司 | A kind of electric field generation device and electric field fresh-keeping refrigerator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344640A (en) * | 2020-11-06 | 2021-02-09 | 合肥美菱物联科技有限公司 | Electric field fresh-keeping device and refrigerator thereof |
| CN112413987A (en) * | 2020-11-20 | 2021-02-26 | 合肥美菱物联科技有限公司 | Electric field fresh-keeping device and refrigerator applying same |
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Application publication date: 20200626 |