CN105276908A - Refrigerator - Google Patents
Refrigerator Download PDFInfo
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- CN105276908A CN105276908A CN201510112167.1A CN201510112167A CN105276908A CN 105276908 A CN105276908 A CN 105276908A CN 201510112167 A CN201510112167 A CN 201510112167A CN 105276908 A CN105276908 A CN 105276908A
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- degerming
- refrigerator
- courage
- door body
- electric field
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Abstract
The invention discloses a refrigerator which comprises a sterilization chamber, a sterilization container, an electric field generation device, a magnetic field generation device and a sterilization chamber door. The sterilization container is arranged in the sterilization chamber and provided with a first opening facing the sterilization chamber door used for opening or closing the first opening. The electric field generation device comprises two counter electrodes oppositely arranged on the sterilization container to form an electric field in the sterilization container. The magnetic field generation device comprises a solenoid coil wound around the sterilization container to generate a magnetic field in the sterilization container. According to the refrigerator, the magnetic field and the electric field are formed in the sterilization container at the same time, objects to be sterilized such as food in the sterilization container can be sterilized effectively by the magnetic field and the electric field, even though the objects to be sterilized are wrapped in a plastic bag or contained in a sealing box such as a crisper, the objects to be sterilized can be sterilized effectively, the quality guarantee period of the objects to be sterilized such as food is prolonged, and the practicability of the refrigerator is improved.
Description
Technical field
The present invention relates to an electro-technical field, particularly relate to a kind of refrigerator.
Background technology
In common household electrical appliance, usually adopt refrigerator store food.But food still can rot store a period of time in refrigerator after, one of major reason causing food decay to go bad is the effect of microorganism; Reduce microorganism to the infringement of food, be conducive to the shelf-life of food and extend.
For reducing microorganism to the infringement of food, in refrigerator industry, successively expand the research and apply of antimicrobial technology and sterilization technique.Wherein, antimicrobial technology have employed the parts with antibacterial ability, but the contact area of these parts and food is limited, and therefore the guarantee the quality effect of antimicrobial technology to food is also limited.And sterilization technique generally adopts gaseous phase sterilants (as ozone, anion etc.), gaseous phase sterilants needs fully to contact could carry out sterilization to food with food, and when gaseous phase sterilants and food also cannot fully contact, especially, when food is isolated with gaseous phase sterilants by polybag or crisper splendid attire, the effect of sterilization technique is also not too remarkable.
Therefore, provide a kind of refrigerator with disinfecting technology, to extend the shelf-life of food in this refrigerator, real is necessary.
Summary of the invention
Main purpose of the present invention is to provide a kind of refrigerator, is intended to promote the bactericidal effect of this refrigerator to food, to extend the shelf-life of food in this refrigerator.
For achieving the above object, the invention provides a kind of refrigerator, comprise degerming room, degerming case courage, electric field generation device, field generator for magnetic and degerming room door body, described degerming case courage is located at described degerming indoor, and having towards the first opening of described degerming room door body, described degerming room door body is used to open or close described first opening; Described electric field generation device is included in two pieces of pole plates that described degerming case courage is oppositely arranged, to form electric field in described degerming case courage; Described field generator for magnetic comprises the solenoid be wrapped on described degerming case courage, to form magnetic field in described degerming case courage.
Preferably, described degerming case courage has the upper courage wall connected successively, left courage wall, lower courage wall and right courage wall, and described two pieces of pole plates are divided into described upper courage wall and described lower courage wall.
Preferably, described degerming case courage has the upper courage wall connected successively, left courage wall, lower courage wall and right courage wall, and described two pieces of pole plates are divided into described left courage wall and described right courage wall.
Preferably, described two pieces of pole plates and described solenoid are all located at outside the courage wall of described degerming case courage.
Preferably, described refrigerator also comprises the protective cover with magnetic conductivity, described degerming indoor are located at by described protective cover, described protective cover comprises cover body and cover door body, described cover body has the second opening towards described degerming room door body, described cover door body is used to open or close described second opening, and described degerming case courage, described two pieces of pole plates and described solenoid are all positioned at described cover body.
Preferably, described cover door body be fixedly arranged on described degerming room door body towards on the side of described second opening.
Preferably, when described cover door body closes described second opening, described cover body is connected by the mode of rabbeting with described cover door body.
Preferably, described refrigerator also comprises door switch, described door switch is located on described cover door body, and is all electrically connected with described electric field generation device and described field generator for magnetic, with when described cover door body opens described second opening by described electric field generation device and described field generator for magnetic power-off.
Preferably, described refrigerator also comprises degerming switch, on the control panel that described refrigerator is located at by described degerming switch or be located in described refrigerator, and be all electrically connected with described electric field generation device and described field generator for magnetic, described degerming switch is for controlling the duty of described electric field generation device and described field generator for magnetic.
Preferably, described refrigerator also comprises cooling assembly, and described cooling assembly is connected with described degerming case courage, and for providing cold to described degerming case courage.
Refrigerator provided by the present invention is formed with magnetic field and electric field in degerming case courage simultaneously, treating therefore in degerming case courage can by magnetic field and the effective sterilization of electric field except fungus (as food etc.), even and if treat be wrapped in polybag except fungus or be contained in seal box (as crisper), treat all can obtain effectively degerming except fungus, thus extend the quality guarantee period for the treatment of except fungus (as food etc.), improve the practicality of refrigerator.
Accompanying drawing explanation
Fig. 1 is the structural representation of refrigerator one embodiment of the present invention;
Fig. 2 is the structural representation of the degerming case courage of refrigerator in Fig. 1, electric field generation device, field generator for magnetic and degerming room door body;
Fig. 3 is the structural representation of another embodiment of the degerming case courage of refrigerator of the present invention, electric field generation device, field generator for magnetic and degerming room door body;
Fig. 4 is the enlarged diagram at IV place in Fig. 3;
Fig. 5 is the solenoid Distribution of Magnetic Field figure in the energized state of refrigerator in Fig. 1;
Fig. 6 is the electric field generation device distribution map of the electric field in the energized state of refrigerator in Fig. 1;
Fig. 7 is the connection diagram between the electric field generation device of refrigerator in Fig. 1, field generator for magnetic and door switch, degerming switch;
Fig. 8 is the schematic cross-section along degerming case courage depth direction of the degerming case courage of another embodiment of refrigerator of the present invention, electric field generation device, field generator for magnetic and degerming room door body.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Should be noted that, in describing the invention, term " on ", the orientation of the instruction such as D score, "front", "rear", "left", "right" or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
The invention provides a kind of refrigerator.
With reference to Fig. 1, in one embodiment, this refrigerator comprises casing 10, the degerming room 11 limited in casing 10, degerming case courage 20, electric field generation device 30, field generator for magnetic 40 and degerming room door body 111, wherein, degerming case courage 20 is located in degerming room 11, degerming case courage 20 has the first opening 21 towards degerming room door body 111, and degerming room door body 111 is used to open or close the first opening 21; Electric field generation device 30 is included in two pieces of pole plates 31 that degerming case courage 20 is oppositely arranged, to form electric field in degerming case courage 20; Field generator for magnetic 40 comprises the solenoid 41 be wrapped on degerming case courage 20, to form magnetic field in degerming case courage 20.In the present embodiment, two pieces of pole plates 31 are positioned at solenoid 41; Certainly, in other embodiments of the invention, two pieces of pole plates 31 also can be positioned at outside solenoid 41, and the present invention is not restricted this.In the present embodiment, in casing 10, also limited refrigerating chamber 12 and refrigerating chamber 13, with make can by carry out in degerming room 11 effectively degerming after food be transferred in refrigerating chamber 12 or refrigerating chamber 13 and preserve; Particularly, degerming room 11 between refrigerating chamber 12 and refrigerating chamber 13, certainly, in other embodiments of the invention, the position of degerming room 11 can also be located on refrigerating chamber 12 or be located under refrigerating chamber 13, that is, the position of degerming room 11 on casing 10 is not restricted in the present invention.In the present embodiment, be provided with the accommodation space 22 be communicated with the first opening 21 in degerming case courage 20, this accommodation space 22 is treated except fungus (as food) for holding.In the present embodiment, two pieces of pole plates 31 all insulate with solenoid 41, and particularly, two pieces of pole plates 31 are connected by insulating materials with between solenoid 41; In addition, two pieces of pole plates 31, solenoid 41 all insulate with degerming case courage 20, particularly, two pieces of pole plates 31, to be connected by insulating materials between solenoid 41 with degerming case courage 20, or, made by insulating materials, to avoid two pieces of pole plates 31 to occur short circuit phenomenon, and there is electric shock accidents when avoiding user to touch degerming case courage 20 in degerming case courage 20.
In the present embodiment, this refrigerator forms magnetic field by field generator for magnetic 40 in degerming case courage 20, correlative study is had to show, under magnetic fields, part bacterium can suppressedly grow, and the number of part bacterium obviously reduces, and when adopting magnetic field to carry out sterilization, the institutional framework of food, nutritional labeling, shape and structure and color gloss all do not go to pot, and therefore fresh-keeping function is obvious, and, time less in field strength just can produce significant bactericidal effect time shorter; This refrigerator also forms electric field by electric field generation device 30 in degerming case courage 20, correlative study is had to show, electric field energy makes the cell membrane of bacterium produce irreversible destruction or make the protein denaturation in cell or separation, and reach the effect of sterilization, adopt electric field when carrying out sterilization, have that the processing time is short, heat up little, the feature such as energy consumption is low and bactericidal effect is obvious.The refrigerator that the present embodiment provides is formed with magnetic field and electric field in degerming case courage 20 simultaneously, treating therefore in degerming case courage 20 can by magnetic field and the effective sterilization of electric field except fungus (as food etc.), even and if treat be wrapped in polybag except fungus or be contained in seal box (as crisper), treat all can obtain effectively degerming except fungus, thus extend the quality guarantee period for the treatment of except fungus (as food etc.), improve the practicality of refrigerator.
In the present embodiment, degerming case courage 20 is preferably the rectangular-shaped of hollow, and particularly, degerming case courage 20 has the upper courage wall 23 connected successively, left courage wall 25, lower courage wall 24 and right courage wall 26, and wherein, two pieces of pole plates 31 are divided into courage wall 23 and lower courage wall 24.In the present embodiment, preferably, the size of pole plate 31 and upper courage wall 23 and lower courage wall 24 in the same size, to make two pieces of pole plates 31 be abound with upper courage wall 23 and lower courage wall 24 respectively, with guarantee generation electric field be full of the accommodation space 22 of degerming case courage 20.It is emphasized that (see Fig. 8) in another embodiment of the invention, two pieces of pole plates 31 also can be divided into left courage wall 25 and right courage wall 26.
Be understandable that, point out in the present embodiment that degerming case courage 20 is the rectangular-shaped of hollow, be conducive to the stable installation of two pieces of pole plates 31 and degerming case courage 20 courage wall; And in fact, in other embodiments of the invention, degerming case courage 20 can be also cylindric or other shapes of hollow, as long as two pieces of pole plates 31 are oppositely arranged, to ensure that electric field generation device 30 can form effective electric field in degerming case courage 20.
In the present embodiment, solenoid 41 can form magnetic field after powered up in degerming case courage 20, can control by controlling the size of current of solenoid 41 magnitude of field intensity that field generator for magnetic 40 formed in degerming case courage 20.The refrigerator that the present embodiment provides by controlling size of current to control the magnitude of field intensity in degerming case courage 20, thus meets the degerming requirement that difference waits to remove fungus.
In the present embodiment, two pieces of pole plates 31 and solenoid 41 are all located at outside the courage wall of degerming case courage 20.Particularly, have foaming layer 72, two pieces of pole plates 31 and solenoid 41 is all fixed in foaming layer 72 between degerming room 11 and degerming case courage 20, solenoid 41 is wrapped in outside the courage wall of degerming case courage 20.The refrigerator that the present embodiment provides, its degerming case courage 20 is treated except fungus for holding, exposed pole plate 31 and solenoid 41 can not be there is in degerming case courage 20, can avoid occurring that user touches pole plate 31 or solenoid 41 and the phenomenon of getting an electric shock, to ensure the security of this refrigerator.
With reference to Fig. 3, the external magnetic-field direction of energising solenoid 41 sends from the arctic (N pole) of this solenoid 41 and gets back to the South Pole (S pole), the magnetic direction of energising solenoid 41 inside sends from the South Pole (S pole) of this solenoid 41 and gets back to the arctic (N pole), and solenoid 41 internal magnetic field is even, under certain electrical current, the field intensity of solenoid 41 internal magnetic field is greater than external magnetic field and obtains field intensity.It should be noted that, the magnetic pole type judgement method at energising solenoid 41 two ends is common practise, is not described in detail here.
With reference to Fig. 4, after electric field generation device 30 is energized, direction is formed from a pole plate 31 towards the electric field of another pole plate 31 in degerming case courage 20, in the present embodiment, particularly, top crown (being located at the pole plate 31 of courage wall 23) is positive plate, and bottom crown (being located at the pole plate 31 of lower courage wall 24) is negative plate, and the direction of an electric field produced is from down upper.
See Fig. 1 and Fig. 2, in the present embodiment, further, this refrigerator also comprises the protective cover 50 with magnetic conductivity, this protective cover 50 is located in degerming room 11, and protective cover 50 comprises cover body 51 and cover door body 52, and wherein cover body 51 has towards the second opening 511 of degerming room door body 111, cover door body 52 is used to open or close this second opening 511, and degerming case courage 20, two pieces of pole plates 31 and solenoid 41 are all positioned at cover body 51.In the present embodiment, this protective cover 50 is preferably silicon steel part, has higher permeability to make protective cover 50; Certainly, in other embodiments of the invention, protective cover 50 can also made by other permeability magnetic materials, as long as ensure that protective cover 50 has certain permeability.In the present embodiment, cover body 51 is fixed in foaming layer 72.In the present embodiment, because protective cover 50 has magnetic conductivity, therefore protective cover 50 can form the screen layer to the magnetic field that field generator for magnetic 40 produces, and leaks to avoid magnetic field, thus avoid magnetic field to impact human body, also avoid magnetic field to the interference of electrical part around refrigerator simultaneously; In addition, when protective cover 50 is silicon steel part, silicon steel is conductor, and therefore protective cover 50 also can form the screen layer to the electric field that electric field generation device 30 produces.
See Fig. 2, in the present embodiment, further, cover door body 52 be fixedly arranged on degerming room door body 111 towards on the side of the second opening 511 so that realize opening or closing operation to cover door body 52 by operating degerming room door body 111.In the present embodiment, particularly, degerming room door body 111 is connected on cover body 51 by hinge 71, and thus, when degerming room door body 111 is opened, cover door body 52 is also opened thereupon, and when degerming room door body 111 is closed, cover door body 52 is also closed thereupon.
See Fig. 3 and Fig. 4, in the present embodiment, further, when cover door body 52 closes the second opening 511, cover body 51 is connected by the mode of rabbeting with cover door body 52, by completely closed for the second opening 511 of cover body 51, thus can improve the shielding action of protective cover 50 to make cover door body 52.In the present embodiment, particularly, the end face towards cover door body 52 of cover body 51 forms First terrace 512, the appropriate section of cover door body 52 forms the second step face 521 suitable with First terrace 512, ensures that cover door body 52 can by completely closed for the second opening 511 of cover body 51 by First terrace 512 with coordinating of second step face 521.Certainly, in other embodiments of the invention, also can be convexly equipped with projection piece at the end face towards cover door body 52 of cover body 51, the appropriate section of cover door body 52 is arranged with the groove suitable with projection piece, ensures that cover door body 52 can by completely closed for the second opening 511 of cover body 51 by projection piece with coordinating of groove.
See Fig. 7, in the present embodiment, further, this refrigerator also comprises door switch 82, (not shown) on cover door body 52 is located at by this door switch 82, and is all electrically connected with electric field generation device 30 and field generator for magnetic 40, with when cover door body 52 opens the second opening 511 by electric field generation device 30 and field generator for magnetic 40 power-off, thus to guarantee when cover door body 52 is opened without Electric and magnetic fields in degerming case courage 20, to improve the security of this refrigerator further.In the present embodiment, particularly, electric field generation device 30 also comprises high voltage source 81, and two pieces of pole plates 31 are connected with high voltage source 81; In the present embodiment, this high voltage source 81 can be the power supply case of this refrigerator, also can be independent electric field generation device 30 power source special arranged.In the present embodiment, electric field generation device 30 also comprises radio-frequency generator (not shown), to realize high voltage high frequency bursts electric field in degerming case courage 20, thus strengthens the sterilizing ability of the degerming room 11 of this refrigerator.In the present embodiment, field generator for magnetic 40 also comprises the magnetic field be connected with solenoid 41 and power supply 85 occurs, and similarly, the power supply case that power supply 85 can be this refrigerator occurs in this magnetic field, also can be independent field generator for magnetic 40 power source special arranged.In the present embodiment, the wire that pole plate 31 is connected with high voltage source 81 uses insulating materials coated, isolates with the parts outside the pole plate 31 guaranteeing refrigerator and high voltage source 81, thus ensures the security of refrigerator further.In the present embodiment, because two pieces of pole plates 31 and solenoid 41 are all positioned at cover body 51, therefore cover body 51 offers the wire guide (not shown) of passing for wire, so that the connection of pole plate 31 and high voltage source 81 and be convenient to the connection that power supply 85 occurs for solenoid 41 and magnetic field.
In the present embodiment, further, refrigerator also comprises degerming switch 83, on the control panel that refrigerator is located at by this degerming switch 83 or be located in refrigerator, and be all electrically connected with electric field generation device 30 and field generator for magnetic 40, this degerming switch 83 for controlling the duty of electric field generation device 30 and field generator for magnetic 40, when degerming switch 83 is communicated with, electric field generation device 30 produces electric field in degerming case courage 20, and field generator for magnetic 40 produces magnetic field in degerming case courage 20; When degerming switch 83 disconnects, electric field generation device 30 and field generator for magnetic 40 all quit work.In the present embodiment, this degerming switch 83 can be located on the control panel of this refrigerator with the form of physical button, so that user controls the duty of electric field generation device 30 by this degerming switch 83 of pressing; Or this degerming switch 83 can also for being located at the remote signal receiver in this refrigerator, so that user is by the duty of the remote control device electric field generation device 30 of coupling.
In the present embodiment, degerming switch 83 is connected in the mode of connecting with door switch 82, and to make when in degerming switch 83 and door switch 82, any one disconnects, electric field generation device 30 all power-off, to ensure the security of this refrigerator.
See Fig. 1 to Fig. 3, in the present embodiment, this refrigerator also comprises cooling assembly 60, and this cooling assembly 60 is connected with degerming case courage 20, and for providing cold to degerming case courage 20, has refrigerating function while having sterilizing function to make degerming room 11; Because Electric and magnetic fields has better bacteria-eliminating efficacy at relatively high temperatures, therefore degerming room 11 is preferably treated except fungus carries out sterilization at normal temperatures, preferably, the refrigeration work state of cooling assembly 60 is controlled, so that user will be when carrying out degerming until putting into except fungus degerming case courage 20, the refrigerating state of cooling assembly 60 can be stopped.In the present embodiment, particularly, this refrigerator is refrigerator, this cooling assembly 60 comprises the first evaporimeter be located at outside the rear courage wall of degerming case courage 20, this first evaporimeter is connected with the compressor of this refrigerator, provides cold by compressor to the first evaporimeter, to realize freezing in degerming case courage 20; This first evaporimeter can be plate pipe evaporator.Be understandable that, the structure of compressor, the first evaporimeter and principle, known by described exercising ordinary skill, no longer describe in detail here.
It is emphasized that, in other embodiments of the invention, this refrigerator can also be wind cooling refrigerator, this cooling assembly 60 comprise the air channel (not shown) that is communicated with degerming case courage 20 and refrigerating chamber 12 or refrigerating chamber 13 and be located in air channel in order to control the air door that air channel opens or closes; This air door is preferably Electrically operated gate, so that pass through the refrigerating function of the degerming room 11 of this airdoor control.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a refrigerator, it is characterized in that, described refrigerator comprises degerming room, degerming case courage, electric field generation device, field generator for magnetic and degerming room door body, described degerming case courage is located at described degerming indoor, and having towards the first opening of described degerming room door body, described degerming room door body is used to open or close described first opening; Described electric field generation device is included in two pieces of pole plates that described degerming case courage is oppositely arranged, to form electric field in described degerming case courage; Described field generator for magnetic comprises the solenoid be wrapped on described degerming case courage, to form magnetic field in described degerming case courage.
2. refrigerator as claimed in claim 1, it is characterized in that, described degerming case courage has the upper courage wall connected successively, left courage wall, lower courage wall and right courage wall, and described two pieces of pole plates are divided into described upper courage wall and described lower courage wall.
3. refrigerator as claimed in claim 1, it is characterized in that, described degerming case courage has the upper courage wall connected successively, left courage wall, lower courage wall and right courage wall, and described two pieces of pole plates are divided into described left courage wall and described right courage wall.
4. the refrigerator as described in any one of claims 1 to 3, is characterized in that, described two pieces of pole plates and described solenoid are all located at outside the courage wall of described degerming case courage.
5. refrigerator as claimed in claim 4, it is characterized in that, described refrigerator also comprises the protective cover with magnetic conductivity, described degerming indoor are located at by described protective cover, described protective cover comprises cover body and cover door body, described cover body has the second opening towards described degerming room door body, and described cover door body is used to open or close described second opening, and described degerming case courage, described two pieces of pole plates and described solenoid are all positioned at described cover body.
6. refrigerator as claimed in claim 5, is characterized in that, described cover door body be fixedly arranged on described degerming room door body towards on the side of described second opening.
7. refrigerator as claimed in claim 5, is characterized in that, when described cover door body closes described second opening, described cover body is connected by the mode of rabbeting with described cover door body.
8. refrigerator as claimed in claim 5, it is characterized in that, described refrigerator also comprises door switch, described door switch is located on described cover door body, and be all electrically connected with described electric field generation device and described field generator for magnetic, with when described cover door body opens described second opening by described electric field generation device and described field generator for magnetic power-off.
9. refrigerator as claimed in claim 5, it is characterized in that, described refrigerator also comprises degerming switch, on the control panel that described refrigerator is located at by described degerming switch or be located in described refrigerator, and be all electrically connected with described electric field generation device and described field generator for magnetic, described degerming switch is for controlling the duty of described electric field generation device and described field generator for magnetic.
10. refrigerator as claimed in claim 5, it is characterized in that, described refrigerator also comprises cooling assembly, and described cooling assembly is connected with described degerming case courage, and for providing cold to described degerming case courage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112167.1A CN105276908A (en) | 2015-03-13 | 2015-03-13 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112167.1A CN105276908A (en) | 2015-03-13 | 2015-03-13 | Refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105276908A true CN105276908A (en) | 2016-01-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510112167.1A Pending CN105276908A (en) | 2015-03-13 | 2015-03-13 | Refrigerator |
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| CN (1) | CN105276908A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503984A (en) * | 2020-04-27 | 2020-08-07 | 合肥华凌股份有限公司 | Freshness retaining container and refrigeration equipment |
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| CN205403318U (en) * | 2015-03-13 | 2016-07-27 | 合肥华凌股份有限公司 | Refrigerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100488961B1 (en) * | 2003-03-31 | 2005-05-10 | 주식회사 대우일렉트로닉스 | Refrigerator having the negative ion generator for converting the emission direction of a negative ion possible |
| 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 |
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| CN111503984A (en) * | 2020-04-27 | 2020-08-07 | 合肥华凌股份有限公司 | Freshness retaining container and refrigeration equipment |
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Application publication date: 20160127 |
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