CN101580155B - Normal temperature food fresh-keeping device and method thereof - Google Patents
Normal temperature food fresh-keeping device and method thereof Download PDFInfo
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- CN101580155B CN101580155B CN2009100531048A CN200910053104A CN101580155B CN 101580155 B CN101580155 B CN 101580155B CN 2009100531048 A CN2009100531048 A CN 2009100531048A CN 200910053104 A CN200910053104 A CN 200910053104A CN 101580155 B CN101580155 B CN 101580155B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
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Abstract
The invention relates to a normal temperature food fresh-keeping device, comprising a food enclosed container, a primary ultraviolet light source, a low-voltage electric fan, an auxiliary ultraviolet light source and an electronic logic control unit; wherein, the primary ultraviolet light source and the low-voltage electric fan are arranged in a special pipeline for internal air circulation, the auxiliary ultraviolet light source is arranged at the top part or on the side wall in the food enclosed container, and the electronic logic control unit is used for controlling all the ultraviolet light sources. The method includes that the electronic logic control unit immediately leads the primary ultraviolet light source to irradiate the air in internal circulation after the enclosed door of thefood enclosed container is closed, so as to form a first sterilization period; and the electronic logic control unit simultaneously starts the auxiliary ultraviolet light source to cause the ultravio let light to be irradiated on the food, so as to form a second sterilization period; and then the electronic logic control unit closes the two ultraviolet light sources in sequence. By adopting the normal temperature food fresh-keeping device and method thereof, the food can be ensured to be fresh at normal temperature, thus being energy saving and environmental-friendly, being safe and practical and being convenient for life.
Description
Technical field
The present invention relates to household appliance technical field, particularly domestic food preservation technique field specifically is meant a kind of food fresh-keeping device and method thereof of normal temperature.
Background technology
In the modern life, along with the raising day by day of people's living standard and the quickening day by day of rhythm of life, the fresh-keeping problem of food has become the key factor that influences quality of life.
Under the situation that various household electrical appliance have been popularized very much, the daily employed electric refrigerator of people has played crucial effects for food fresh-keeping at ordinary times, no matter how ambient temperature changes, no matter when and where, electric refrigerator inside can both keep the low temperature environment of a setting, is used for food fresh-keeping and deposits.Its cardinal principle is to utilize growth of microorganism that bacterium under the low temperature environment and other have a protein structure body slowly even stagnate, avoided bacterium and other to have a large amount of breedings of the germ of protein structure body, thereby avoid rotting of food, deposit effect with regard to having reached comparatively desirable food fresh-keeping in this case.
But this traditional fresh-keeping mode is to be cost with high energy resource consumption, common domestic refrigerator, its power usually tens watts between several hectowatts because electric refrigerator was normally opened in 24 hours, the expenditure of energy of its accumulation is surprising.And the fresh keeping principle of traditional electric refrigerator only is by low temperature, itself do not have direct kill bacteria and have the function of the germ of protein structure body with other, thereby for a lot of foods, can not obtain the very desirable fresh-keeping effect of depositing, thereby weaken the fresh-keeping function of electric refrigerator to a certain extent; Simultaneously some food be unsuitable cryopreservation as fruits such as bananas, so just to these should not cryopreservation fresh-keeping the depositing of food brought very big deficiency.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, provide a kind of and can realize at normal temperatures that food carries out fresh-keepingly depositing, convenience simple in structure, energy-conserving and environment-protective, safe and practical, stable and reliable working performance, the Applicable scope food fresh-keeping device and the method thereof of normal temperature comparatively widely.
In order to realize above-mentioned purpose, the food fresh-keeping device and the method thereof of normal temperature of the present invention are as follows:
The food fresh-keeping device of this normal temperature comprises:
Food sealing container holds and need carry out the food that keeping fresh at normal temperature is deposited;
It is characterized in that described device also comprises:
Main ultraviolet source unit, this main ultraviolet source unit mainly is made of a ultraviolet light source and a low voltage electric fan, be arranged at that the inner two ends of described food container have vent openings and the centre can not printing opacity among the special type pipeline of on-cycle in the air;
Auxiliary ultraviolet light source, this auxiliary ultraviolet light source is arranged at top or the sidewall in the described food container; With
Electronic logic control unit, this electronic logic control unit are connected with auxiliary ultraviolet light source with described main ultraviolet source unit respectively, and control the mode of operation of described main ultraviolet source unit and auxiliary ultraviolet light source.
Food in the food fresh-keeping device of this normal temperature sealing container constitutes harm people's the health to prevent any ultraviolet from leaking by material that can not printing opacity.
Main ultraviolet source unit in the food fresh-keeping device of this normal temperature is mainly by a ultraviolet light source, and a low voltage electric fan and the special type pipeline for the usefulness of circulation in the air constitute.
Special type pipe ends in the food fresh-keeping device of this normal temperature all has vent openings, and should spy's type pipeline be arranged at described food sealing container inside, and described main ultraviolet light source and low voltage electric fan are arranged among the described special type pipeline.
Be provided with for circulation in the actuating air for the low voltage electric fan among the special type pipeline of on-cycle in the air in the food sealing container internal structure in the food fresh-keeping device of this normal temperature.
Thereby the sealing of the food in the food fresh-keeping device of this normal temperature container inside has certain sterilization period to make the food fresh-keeping device sealing container inside of normal temperature become a sterilized space according to the internal capacity time that sets that described food seals container to inner circulating air by main ultraviolet source unit.
The first sterilization period that the inner main ultraviolet source unit of food sealing container in the food fresh-keeping device of this normal temperature sets depends on that not only the internal capacity that seals container also must be according to the watt level of main ultraviolet light source, the power of low voltage electric fan and rotating speed, and decide for the size of the special type pipeline of circulation in the air and type shape.
The first sterilization period that the inner main ultraviolet source unit of food sealing container in the food fresh-keeping device of this normal temperature sets, when particularly the on-cycle air changes the sterilization intensity of main ultraviolet source unit at the ducted relaxation time of special type in need prolonging or shortening, the vent openings of at least one end of interior on-cycle spy type pipeline can be designed to the pore that bore can be regulated.
Food sealing container inside in the food fresh-keeping device of this normal temperature can make the ultraviolet direct irradiation on the surface of depositing food by auxiliary ultraviolet light source, and continue another sterilization period, thereby make food energy in this sterilized space of depositing fresh-keeping more of a specified duration.
At least one side of the food sealing container in the food fresh-keeping device of this normal temperature is provided with movable opening and closing structure.
Movable opening and closing structure in the food fresh-keeping device of this normal temperature can be active pulling-door or moving door.
The movable opening and closing structure of the food sealing container in the food fresh-keeping device of this normal temperature and the side vapor seal of described food sealing container, thereby highly good air seal is arranged, thereby the feasible food of depositing not only there is the air diaphragm of bacterium to cut off with the external world and keeps the humidity of this sterilized space inner air to make the food of depositing needn't become dry for this reason.
Also be provided with the open and-shut mode detecting sensor on the movable opening and closing structure in the food fresh-keeping device of this normal temperature, described open and-shut mode detecting sensor is connected with described electronic logic control unit.
The ultraviolet wave band that main ultraviolet source unit produced in the food fresh-keeping device of this normal temperature is less than 440nm.
Main ultraviolet light source in the food fresh-keeping device of this normal temperature is generally the luminescence-utraviolet fluorescent tube to increase the intensity of ultraviolet direct irradiation inner circulating air in the relaxation time in the special type pipeline.
The ultraviolet wave band that auxiliary ultraviolet light source in the food fresh-keeping device of this normal temperature produced also is less than 440nm.
Auxiliary ultraviolet light source in the food fresh-keeping device of this normal temperature can be luminescence-utraviolet fluorescent tube or luminescence-utraviolet bulb.
This utilizes above-mentioned device to realize the food fresh-keeping method of normal temperature, and its principal feature is that described method may further comprise the steps:
(1) described device is started working, promptly be to close back electronic logic control unit when the closing door of food sealing container to open main ultraviolet source unit immediately and promptly carry out in the air that comprises in the whole food sealing container and circulate, the on-cycle air advances past by the low voltage electric fan that those two ends all have vent openings and is arranged during middle special type pipeline that can not printing opacity certain relaxation time in making, thereby makes the internal on-cycle air of main ultraviolet light source that the first sterilization period be arranged;
(2) simultaneously the electronic logic control unit also starts auxiliary ultraviolet light source immediately and can make the ultraviolet direct irradiation on the surface of depositing food, and when continuing second sterilization;
(3) the electronic logic control unit will be taken up in order of priority and be closed main ultraviolet source unit and auxiliary ultraviolet light source then.
The first sterilization period in the food fresh-keeping method of this realization normal temperature is set according to the internal capacity of described food sealing container, and this first sterilization period prolongs along with the increase of the internal capacity of described food sealing container.
The second sterilization period in the food fresh-keeping method of this realization normal temperature is 20 seconds.
Further comprising the steps of in the method for this realization food normal-temperature fresh-keeping:
(4) described open and-shut mode detecting sensor detects the state variation of described movable opening and closing structure in real time;
(5), then send and open status signal accordingly to described electronic logic control unit if detecting the state variation of described movable opening and closing structure serves as reasons and close out;
(6) described electronic logic control unit is received this and is opened status signal, then closes described main ultraviolet source unit immediately and is not subjected to ultraviolet injury with auxiliary ultraviolet light source with the eyes of protecting people.
(7), then send and close status signal accordingly to described electronic logic control unit if detecting the state variation of described movable opening and closing structure serves as reasons to reach and close;
(8) described electronic logic control unit is received this and is closed status signal, then repeats above-mentioned steps (1) to (3).
The food fresh-keeping device and the method thereof of this invention normal temperature have been adopted, wherein utilized ultraviolet ray (UV) that the protein structure that vital signs is arranged is had the strong destruction effect and the characteristics of sterilization, in food sealing container, be provided with main ultraviolet source unit and auxiliary ultraviolet light source, after in this food sealing container, placing food, the electronic logic control unit is received closing door and is closed status signal, just open main ultraviolet source unit immediately and promptly carry out circulation in the air that comprises in the whole food sealing container, the on-cycle air advances past by the low voltage electric fan that those two ends all have vent openings and is arranged during middle special type pipeline that can not printing opacity certain relaxation time in making, thereby makes the internal on-cycle air of main ultraviolet light source that the first sterilization period be arranged.Realize that the first sterilization period needed to set according to the internal capacity of described food sealing container.While electronic logic control unit also starts auxiliary ultraviolet light source immediately can make the ultraviolet direct irradiation on the surface of depositing food, and continues for the second sterilization period.Realize that the second sterilization period was 20 seconds, thereby guarantee that food can be fresh-keeping at normal temperatures than the long time, all can play comparatively desirable fresh-keeping effect for unprocessed raw and cold food and prepared food, its fresh-keeping effect and traditional electric refrigerator are suitable, but also can carry out fresh-keeping to the food that is not suitable for cryopreservation, convenience not only simple in structure, and energy-conserving and environment-protective, safe and practical, stable and reliable working performance, Applicable scope is comparatively extensive, brings great convenience for people's life.
Description of drawings
Fig. 1 is the structural representation of food normal-temperature fresh-keeping device of the present invention.
The specific embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.
See also shown in Figure 1ly, the food fresh-keeping device of this normal temperature comprises:
(1) food sealing container holds and need carry out the food that keeping fresh at normal temperature is deposited;
(2) main ultraviolet source unit, this main ultraviolet source unit mainly is made of a ultraviolet light source and a low voltage electric fan, be arranged at that the inner two ends of described food container all have vent openings and the centre can not printing opacity among the special type pipeline of on-cycle in the air;
(3) auxiliary ultraviolet light source, this auxiliary ultraviolet light source is arranged at top or the sidewall in the described food container; With
(4) electronic logic control unit, this electronic logic control unit are connected with auxiliary ultraviolet light source with described main ultraviolet source unit respectively, and control the mode of operation of described main ultraviolet source unit and auxiliary ultraviolet light source.
Wherein, food in the food fresh-keeping device of this normal temperature sealing container constitutes harm people's the health to prevent any ultraviolet from leaking by material that can not printing opacity; This main ultraviolet source unit is mainly by a ultraviolet light source, and a low voltage electric fan and the special type pipeline for the usefulness of circulation in the air constitute.
Special type pipe ends in the food fresh-keeping device of this normal temperature all has vent openings, and should spy's type pipeline be arranged at described food sealing container inside, and described main ultraviolet light source and low voltage electric fan are arranged among the described special type pipeline; Be provided with for circulation in the actuating air for the low voltage electric fan among the special type pipeline of on-cycle in the air in this food sealing container internal structure; Thereby this food sealing container inside has certain sterilization period to make the food fresh-keeping device sealing container inside of normal temperature become a sterilized space according to the internal capacity time that sets that described food seals container to inner circulating air by main ultraviolet source unit.
The first sterilization period that the inner main ultraviolet source unit of food sealing container in the food fresh-keeping device of this normal temperature sets depends on that not only the internal capacity that seals container also must be according to the watt level of main ultraviolet light source, the power of low voltage electric fan and rotating speed, and decide for the size of the special type pipeline of circulation in the air and type shape; The first sterilization period that the inner main ultraviolet source unit of this food sealing container sets, when particularly the on-cycle air changes the sterilization intensity of main ultraviolet source unit at the ducted relaxation time of special type in need prolonging or shortening, the vent openings of at least one end of interior on-cycle spy type pipeline can be designed to the pore that bore can be regulated; This food sealing container inside can make the ultraviolet direct irradiation on the surface of depositing food by auxiliary ultraviolet light source, and continues another sterilization period, thereby makes food energy in this sterilized space of depositing fresh-keeping more of a specified duration.
Moreover, also be provided with movable opening and closing structure 5 at least one side of described food sealing container, this activity opening and closing structure 5 can be active pulling-door 5, also can be designed to moving door as required, also be provided with the open and-shut mode detecting sensor on the described movable opening and closing structure 5, described open and-shut mode detecting sensor is connected with described electronic logic control unit, thereby can control the opening and closing of main ultraviolet source unit 2 and auxiliary ultraviolet light source 3 according to the status change notification electronic logic control unit of the real-time detected movable opening and closing structure of open and-shut mode detecting sensor, thereby guarantee people's safety in use.
Simultaneously, in order to reach bactericidal effect preferably, the ultraviolet wave band that described main ultraviolet source unit 2 produced is less than 440nm, and this main ultraviolet source unit 2 is generally the luminescence-utraviolet fluorescent tube; Simultaneously, the ultraviolet wave band that described auxiliary ultraviolet light source 3 produced also is that this auxiliary ultraviolet light source 3 can be luminescence-utraviolet fluorescent tube or luminescence-utraviolet bulb less than 440nm.
This utilizes above-mentioned device to realize the food fresh-keeping method of normal temperature, comprising following steps:
(1) described device is started working, promptly be to close back electronic logic control unit when the closing door of food sealing container to open main ultraviolet source unit immediately and promptly carry out in the air that comprises in the whole food sealing container and circulate, the on-cycle air advances past by the low voltage electric fan that those two ends all have vent openings and is arranged during middle special type pipeline that can not printing opacity certain relaxation time in making, thereby makes the internal on-cycle air of main ultraviolet light source that the first sterilization period be arranged;
(2) simultaneously the electronic logic control unit also starts auxiliary ultraviolet light source immediately and can make the ultraviolet direct irradiation on the surface of depositing food, and continues for the second sterilization period;
(3) the electronic logic control unit will be taken up in order of priority and be closed main ultraviolet source unit and auxiliary ultraviolet light source then.
The first sterilization period in the food fresh-keeping method of this realization normal temperature is set according to the internal capacity of described food sealing container, and this first sterilization period prolongs along with the increase of the internal capacity of described food sealing container.
The second sterilization period in the food fresh-keeping method of this realization normal temperature is 20 seconds.
(4) described open and-shut mode detecting sensor detects the state variation of described movable opening and closing structure in real time;
(5), then send and open status signal accordingly to described electronic logic control unit if detecting the state variation of described movable opening and closing structure serves as reasons and close out;
(6) described electronic logic control unit is received this and is opened status signal, then closes described main ultraviolet source unit immediately and is not subjected to ultraviolet injury with auxiliary ultraviolet light source with the eyes of protecting people.
(7), then send and close status signal accordingly to described electronic logic control unit if detecting the state variation of described movable opening and closing structure serves as reasons to reach and close;
(8) described electronic logic control unit is received this and is closed status signal, then repeats above-mentioned steps (1) to (3).
In the middle of reality was used, the food fresh-keeping device of normal temperature of the present invention had mainly utilized ultraviolet ray (UV) protein structure that vital signs is arranged to be had the strong destruction effect and the characteristics of sterilization, not only energy savings, and environment-protecting clean.Wherein, mainly comprise food sealing container 1, two 2,3 and electronic logic control units 4 of ultraviolet source unit in the food fresh-keeping device of this normal temperature.These two ultraviolet light sources can send the ultraviolet ray of wavelength less than 440nm, thereby play the good sterilization effect.
Wherein, first ultraviolet source unit is called main ultraviolet source unit 2, this main ultraviolet source unit 2 should be installed in the inside of described food sealing container 1, thereby inner air circulation can be killed 99.9% bacterium at short notice and other have the germ of protein structure body to carry out, and realizes that the first sterilization period in the method for food fresh-keeping of its normal temperature sets for the internal capacity according to described food sealing container.
This will make this food seal the humidity that the air in container 1 remains a sterilized space and remains inner air; Second ultraviolet source unit is called auxiliary ultraviolet light source 3, should install on the top or inwall of described food sealing container 1 by auxiliary ultraviolet light source 3, thereby directly foodstuff surface is carried out ultraviolet irradiation, and in 20 seconds, bacterium and other germs with protein structure body of foodstuff surface all can be killed.
Simultaneously, in order to make people's eyes avoid ultraviolet injury, described electronic logic control unit 4 has played key role, and it is mainly used in the work of two ultraviolet source units of control.
When people in order to place food or to take out food, thereby when the movable opening and closing structure 5 that food seals container 1 opened, this electronic logic control unit 4 was closed main ultraviolet source unit 2 and auxiliary ultraviolet light source 3 at once simultaneously.
And the movable opening and closing structure 5 that food is sealed container 1 as people is when closing, this electronic logic control unit 4, open main ultraviolet source unit 2 immediately, promptly carry out circulation in the air that comprises in the whole food sealing container, the on-cycle air advances past by the low voltage electric fan that those two ends all have vent openings and certain relaxation time is arranged during middle special type pipeline that can not printing opacity in making, thereby make the internal on-cycle air of main ultraviolet light source that the first sterilization period be arranged, this first sterilization period sets for the internal capacity according to described food sealing container; Simultaneously the electronic logic control unit also starts auxiliary ultraviolet light source 3 immediately, can make the ultraviolet direct irradiation on the surface of depositing food, and when continuing second sterilization, this second sterilization period is 20 seconds.
Under normal conditions, the food fresh-keeping device of normal temperature of the present invention can be suitable for exposing eat raw fresh-keeping and prepared food fresh-keeping, generally can fresh-keeping a couple of days and undergo no deterioration, its effect and traditional electric refrigerator are suitable.And when described food sealing container 1 be under the situation of a liter capacity, only need the ultraviolet electric energy of about 0.05W to get final product.
The food fresh-keeping device and the method thereof of above-mentioned normal temperature have been adopted, owing to wherein utilized ultraviolet ray (UV) that the protein structure that vital signs is arranged is had the strong destruction effect and the characteristics of sterilization, in food sealing container 1, be provided with main ultraviolet source unit 2 and auxiliary ultraviolet light source 3, thereby after in this sealing container, placing food, under the control of electronic logic control unit 4, open main ultraviolet source unit 2 immediately, promptly carry out circulation in the air that comprises in the whole food sealing container, the on-cycle air advances past by the low voltage electric fan that those two ends all have vent openings and certain relaxation time is arranged during middle special type pipeline that can not printing opacity in making, thereby make the internal on-cycle air of main ultraviolet light source that the first sterilization period be arranged, this first sterilization period sets for the internal capacity according to described food sealing container; Simultaneously the electronic logic control unit also starts auxiliary ultraviolet light source 3 immediately, can make the ultraviolet direct irradiation on the surface of depositing food, and when continuing second sterilization, this second sterilization period is 20 seconds.Thereby guarantee that food can be fresh-keeping at normal temperatures than the long time, all can play comparatively desirable fresh-keeping effect for unprocessed raw and cold food and prepared food, its fresh-keeping effect and traditional electric refrigerator are suitable, but also can carry out the food that is not suitable for cryopreservation fresh-keeping, convenience not only simple in structure, and energy-conserving and environment-protective, safe and practical, stable and reliable working performance, Applicable scope are comparatively extensive, bring great convenience for people's life.
In this specification sheets, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification sheets and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (14)
1. the food fresh-keeping device of a normal temperature comprises:
Food sealing container holds and need carry out the food that keeping fresh at normal temperature is deposited;
It is characterized in that described device also comprises:
Main ultraviolet source unit, this main ultraviolet source unit is arranged at described food sealing container inside, be used to utilize main ultraviolet light source that the inner circulating air of described food sealing container is carried out sterilization, described main ultraviolet source unit is by a main ultraviolet light source, a low voltage electric fan and the special type pipeline for the usefulness of circulation in the air constitute, described special type pipe ends all has vent openings, and should spy's type pipeline be arranged at described food sealing container inside, and described main ultraviolet light source and low voltage electric fan are arranged among the described special type pipeline; The vent openings of at least one end of the special type pipeline of described food sealing container in-to-in is the adjustable pore of bore;
Auxiliary ultraviolet light source, this auxiliary ultraviolet light source are arranged at top or the sidewall in the described food sealing container; With
Electronic logic control unit, this electronic logic control unit are connected with auxiliary ultraviolet light source with described main ultraviolet source unit respectively, and control the mode of operation of described main ultraviolet source unit and auxiliary ultraviolet light source.
2. the food fresh-keeping device of normal temperature according to claim 1 is characterized in that, described food sealing container is made of material that can not printing opacity.
3. the food fresh-keeping device of normal temperature according to claim 1 is characterized in that, at least one side of described food sealing container is provided with movable opening and closing structure.
4. the food fresh-keeping device of normal temperature according to claim 3 is characterized in that, described movable opening and closing structure is active pulling-door or moving door.
5. according to the food fresh-keeping device of claim 3 or 4 described normal temperature, it is characterized in that the side vapor seal of the movable opening and closing structure of described food sealing container and described food sealing container.
6. according to the food fresh-keeping device of claim 3 or 4 described normal temperature, it is characterized in that, also be provided with the open and-shut mode detecting sensor on the described movable opening and closing structure, described open and-shut mode detecting sensor is connected with described electronic logic control unit.
7. according to the food fresh-keeping device of each described normal temperature in the claim 1 to 4, it is characterized in that the ultraviolet wave band that described main ultraviolet source unit produced is less than 440nm.
8. the food fresh-keeping device of normal temperature according to claim 7 is characterized in that, described main ultraviolet light source is the luminescence-utraviolet fluorescent tube.
9. according to the food fresh-keeping device of each described normal temperature in the claim 1 to 4, it is characterized in that the ultraviolet wave band that described auxiliary ultraviolet light source produced also is less than 440nm.
10. the food fresh-keeping device of normal temperature according to claim 9 is characterized in that, described auxiliary ultraviolet light source is luminescence-utraviolet fluorescent tube or luminescence-utraviolet bulb.
11. a food fresh-keeping method of utilizing the described device of claim 1 to realize normal temperature is characterized in that described method may further comprise the steps:
(1) described device is started working, and described electronic logic control unit is opened described main ultraviolet source unit immediately, carries out circulation in the air in the whole food sealing container, and continues for the first sterilization period;
(2) described electronic logic control unit also starts described auxiliary ultraviolet light source immediately simultaneously, and makes the ultraviolet direct irradiation on the surface of depositing food, and continues for the second sterilization period;
(3) described subsequently electronic logic control unit is taken up in order of priority and is closed described main ultraviolet source unit and auxiliary ultraviolet light source.
12. the food fresh-keeping method of realization normal temperature according to claim 11, it is characterized in that, the described first sterilization period is set according to the internal capacity of described food sealing container, and this first sterilization period prolongs along with the increase of the internal capacity of described food sealing container.
13. the food fresh-keeping method of realization normal temperature according to claim 11 is characterized in that, the described second sterilization period is 20 seconds.
14. food fresh-keeping method according to each described realization normal temperature in the claim 11 to 13, it is characterized in that, at least one side of described food sealing container is provided with movable opening and closing structure, also be provided with the open and-shut mode detecting sensor on the described movable opening and closing structure, described open and-shut mode detecting sensor is connected with described electronic logic control unit, and is further comprising the steps of in the described method:
(4) described open and-shut mode detecting sensor detects the state variation of described movable opening and closing structure in real time;
(5), then send and open status signal accordingly to described electronic logic control unit if detecting the state variation of described movable opening and closing structure serves as reasons and close out;
(6) described electronic logic control unit is received this and is opened status signal, then closes described main ultraviolet source unit and auxiliary ultraviolet light source immediately;
(7), then send and close status signal accordingly to described electronic logic control unit if detecting the state variation of described movable opening and closing structure serves as reasons to reach and close;
(8) described electronic logic control unit is received this and is closed status signal, then repeats above-mentioned steps (1) to (3).
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| CN2009100531048A CN101580155B (en) | 2009-06-16 | 2009-06-16 | Normal temperature food fresh-keeping device and method thereof |
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| CN2009100531048A CN101580155B (en) | 2009-06-16 | 2009-06-16 | Normal temperature food fresh-keeping device and method thereof |
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