CN107771911A - The food fresh-keeping method of refrigeration plant and refrigeration plant - Google Patents
The food fresh-keeping method of refrigeration plant and refrigeration plant Download PDFInfo
- Publication number
- CN107771911A CN107771911A CN201610716026.5A CN201610716026A CN107771911A CN 107771911 A CN107771911 A CN 107771911A CN 201610716026 A CN201610716026 A CN 201610716026A CN 107771911 A CN107771911 A CN 107771911A
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- China
- Prior art keywords
- storeroom
- food
- storage condition
- suitable storage
- refrigeration plant
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/14—Preserving with chemicals not covered by groups A23B4/02 or A23B4/12
- A23B4/16—Preserving with chemicals not covered by groups A23B4/02 or A23B4/12 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/06—Freezing; Subsequent thawing; Cooling
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/04—Freezing; Subsequent thawing; Cooling
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
-
- 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
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3409—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
-
- 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
- A23L3/36—Freezing; Subsequent thawing; Cooling
Abstract
A kind of refrigeration plant (1) and the food fresh-keeping method of refrigeration plant (1), refrigeration plant (1) includes sealable storeroom (11) and controller (12), controller (12) is used for according to the food information in the acquired storeroom (11) in air-tight state, controls the gaseous species in the storeroom (11) and concentration to adjust to suitable storage condition corresponding to the food information.Refrigeration plant (1) and preservation method according to different foods, can set the specific aim gaseous species and concentration of its suitable storage, are advantageous to improve fresh-keeping effect, extend fresh keeping time.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly to a kind of food fresh-keeping method of refrigeration plant and refrigeration plant.
Background technology
Refrigeration plant (such as refrigerator) be it is a kind of provide cryopreservation environment home appliance, its provide refrigeration or freezing
Low temperature environment causes food fresh-keeping with the long period.In recent years, to extend the fresh keeping time of food, vacuum has been developed in industry
Preservation technology, there is the seal storage room based on vacuum pumping technology.But, on the one hand, the vaccum-pumping equipment cost is higher, separately
On the one hand, vacuum storage environment is not directed to the storage condition of different foods, thus it is limited to extend fresh keeping time.
The content of the invention
It is an object of the invention to overcome at least one technical problem of the above, be advantageous to improve food guarantor so as to provide one kind
Fresh effect, the refrigeration plant for extending fresh keeping time.
To achieve the above object, one aspect of the present invention provides a kind of refrigeration plant, including：
Sealable storeroom；
Controller, for according to the food information in the acquired storeroom in air-tight state, controlling the storage
Indoor gaseous species and concentration are adjusted to suitable storage condition corresponding to the food information.Suitable storage condition for the benefit of carries
High food fresh-keeping effect, the storage indoor conditions for extending fresh keeping time.Compared with prior art, refrigeration plant of the invention according to
Different foods, the specific aim gaseous species and concentration of its suitable storage are set, is advantageous to improve different food fresh-keeping effects, extends
Fresh keeping time.
Alternatively, the food information includes food species, and correspondingly, the refrigeration plant includes food species and obtains mould
Block.When it is a kind of to get the food in the storeroom, the suitable storage condition is suitable corresponding to the food items
Storage condition.When it is two or more to get the food in the storeroom, the food information also include this two
Diet group corresponding to kind or two or more food, the suitable storage condition is suitable storage condition corresponding to the diet group.
Food species, for example, tomato, watermelon, fish etc., as food title.A) when only storing a kind of food, adjust in storeroom
Environment is advantageous to the fresh-keeping of this kind of food to the gas and concentration of the storage of suitably this kind of food.B) when storage two kinds and its more than
During food, now because various foods each have suitable storage condition, thus, first various foods are grouped, are divided into
Diet group.Such as vegetable foodstuff group, fruit food group, fish food group, meat food group etc..Have substantially using each diet group
The suitable storage condition of identical, thus can adjust storage ambient to suitable according to diet group corresponding to the food of actual storage
Storage condition.B) in situation, it is divided to two kinds, b1) various foods belong to same diet group, i.e., storage condition adjusted various to this
Suitable storage condition corresponding to the affiliated diet group of food, is advantageous to the fresh-keeping of various foods.B2) various foods belong to different foods
Group, now triggering obtain the quantity of various foods, i.e., adjust storage condition to the food belonging to the most food species of quantity
Suitable storage condition corresponding to thing group, be advantageous to most quantity food it is fresh-keeping.In other embodiments, it can also provide
User sets the menu of weight manually, and storage condition is adjusted to the diet group or power belonging to the maximum food species of weight
Suitable storage condition corresponding to the maximum diet group of weight, meets the fresh-keeping demand of user individual.
Alternatively, the food species acquisition module knows corresponding food species according to the image of food.According to image
Acquisition is advantageous in that to be operated without user, automatic identification.In other embodiments, the menu that user is manually entered can also be provided
Or voice acquisition module, to be manually entered or voice collecting food species.With identification technology progress, food species can also root
Identified according to Quick Response Code, smell sensor etc..
Alternatively, the suitable storage condition includes oxygen concentration, and/or gas concentration lwevel, and/or nitrogen gas concn.
Research shows, oxygen, the concentration of carbon dioxide are with causing the breeding of microorganism that food rots closely related.Low oxygen,
Under low carbon dioxide concentration levels, one side nitrogen can improve the pressure of storeroom, be easy to open the door of storeroom；The opposing party
Face, oxygen, gas concentration lwevel can be adjusted by nitrogen.In specific implementation process, the oxygen concentration of suitable storage condition,
And/or gas concentration lwevel, and/or nitrogen gas concn have certain limit.
Alternatively, refrigeration plant also includes：
A) oxygen sensor, for obtaining the oxygen concentration in the storeroom in real time；
And oxygen concentration adjuster, it is controlled by the controller, it is big in the oxygen concentration that the oxygen sensor obtains
When the oxygen concentration of the suitable storage condition, the oxygen in the storeroom consume until when reaching stopping；Or
When the oxygen concentration of acquisition is less than the oxygen concentration of the suitable storage condition, oxygen supply is carried out to the storeroom until reaching
Then stop；
And/or b) carbon dioxide sensor, for obtaining the gas concentration lwevel in the storeroom in real time；
And gas concentration lwevel adjuster, it is controlled by the controller, two obtained in the carbon dioxide sensor
When aoxidizing concentration of carbon more than the suitably gas concentration lwevel of storage condition, the carbon dioxide in the storeroom is disappeared
Consumption when reaching until stop；It is right or the gas concentration lwevel obtained is when being less than the gas concentration lwevel of the suitable storage condition
The storeroom carries out carbon dioxide supply until stopping when reaching；
And/or c) nitrogen sensor, for obtaining the nitrogen gas concn in the storeroom in real time；
And nitrogen gas concn adjuster, it is controlled by the controller, it is small in the nitrogen gas concn that the nitrogen sensor obtains
When the nitrogen gas concn of the suitable storage condition, nitrogen supply is carried out to the storeroom until stopping when reaching, or obtain
Nitrogen gas concn when being more than the nitrogen gas concn of the suitable storage condition, the nitrogen in the storeroom consume until reaching
Then stop.
A), b), c) three then one, two or can be provided simultaneously with.
Oxygen, and/or carbon dioxide, and/or nitrogen three supply can pass through corresponding gas storage tank；Consumption can lead to
Cross and open the air bleeding valve realization for connecting the storeroom and the external world or realized by respective reaction or absorbing material.
Alternatively, the sealable storeroom is drawer.When dispatching from the factory, the food that the drawer suitably stores can be entered
Row is suggested.
Alternatively, refrigeration plant also includes position sensor, for detecting the position for the door for closing the storage, to judge
Whether the storeroom is in air-tight state.Storeroom can be normal pressure storeroom.To improve sealing effectiveness, the storeroom is preferred
For low pressure storeroom.Except judging whether storeroom is in air-tight state by position sensor, pressure sensing can also be passed through
Device, if being less than 1 atmospheric pressure, judge that the storeroom is in air-tight state.
Another aspect of the present invention also provides a kind of food fresh-keeping method of refrigeration plant, including：
Judge whether storeroom is closed；If so, then obtaining the food information in the storeroom of air-tight state, the storage is controlled
Hide indoor gaseous species and concentration is adjusted to suitable storage condition corresponding to the food information.Prior art is compared, this hair
Bright preservation method sets specific aim gaseous species and concentration of its suitable storage according to different foods, is advantageous to improve fresh-keeping
Effect, extend fresh keeping time.
Alternatively, the food information obtained in the storeroom of air-tight state includes：Obtain food species.It is described when getting
When food in storeroom is a kind of, the suitable storage condition is suitable storage condition corresponding to the food items.Work as acquisition
When to the food in the storeroom being two or more, the food information also includes two or more the food
Diet group corresponding to thing, the suitable storage condition is suitable storage condition corresponding to the diet group.
Alternatively, diet group is obtained by following step：By the food species of each food of acquisition, with the food stored
Food species in Groups List are compared, and each food is subdivided into each diet group.
Alternatively, when two or more the food is divided to different diet groups, the suitable storage condition
For suitable storage condition corresponding to the diet group belonging to the most food species of quantity.
Alternatively, the suitable storage condition includes oxygen concentration, and/or gas concentration lwevel, and/or nitrogen gas concn；
Adjusting suitable storage condition corresponding to the gaseous species in the storeroom and concentration to the food information includes：
The oxygen concentration in the storeroom is obtained in real time；
When the oxygen concentration of acquisition is more than the oxygen concentration range maximum of the suitable storage condition, control to described
Oxygen in storeroom consume until when reaching stopping；Or the oxygen concentration obtained is less than the oxygen of the suitable storage condition
During gas concentration stated range minimum, control and oxygen supply is carried out to the storeroom until stopping when reaching；
And/or gas concentration lwevel in the storeroom is obtained in real time；
When the gas concentration lwevel of acquisition is more than the gas concentration lwevel scope maximum of the suitable storage condition, control
System to the carbon dioxide in the storeroom consume until when reaching stopping；Or the gas concentration lwevel obtained is less than described
During the gas concentration lwevel stated range minimum of suitable storage condition, control and carbon dioxide supply is carried out to the storeroom until reaching
Then stop；
And/or nitrogen gas concn in the storeroom is obtained in real time；
When the nitrogen gas concn of acquisition is less than the nitrogen gas concn stated range minimum of the suitable storage condition, control to the storage
Hide room and carry out nitrogen supply until stopping when reaching；It is or dense more than the nitrogen of the suitable storage condition in the nitrogen gas concn of acquisition
When spending scope maximum, control and the nitrogen in the storeroom consume until when reaching stopping.
Alternatively, it is to the storage that consumption is carried out to the oxygen in the storeroom, and/or carbon dioxide, and/or nitrogen
Room is hidden to be exhausted.
Brief description of the drawings
Fig. 1 is the structural representation of the refrigeration plant in the embodiment of the present invention；
Fig. 2 is the left view of the refrigeration plant in Fig. 1；
Fig. 3 is the structural representation of storeroom in Fig. 1.
Embodiment
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
Fig. 1 is the structural representation of the refrigeration plant in the embodiment of the present invention.Fig. 2 is the left view of the refrigeration plant in Fig. 1
Figure.Shown in reference picture 1 and Fig. 2, the refrigeration plant 1 includes：
Sealable storeroom 11；
And controller 12, for according to the food information in the acquired storeroom 11 in air-tight state, control
Gaseous species and concentration in storeroom 11 are adjusted to suitable storage condition corresponding to food information.
Specifically, the sealable storeroom 11 can be drawer.Position sensor 11a is set at the door of drawer, used
In the position of detection door, to judge whether drawer is in air-tight state.To improve sealing effectiveness, the drawer can be that low pressure is stored
Room., can also be by pressure transducer, if less than 1 except judging whether drawer is in air-tight state by position sensor 11a
Atmospheric pressure, then judge that drawer is in air-tight state.Position sensor 11a, pressure transducer can be obtained with certain frequency.Control
Device 12 can be single-chip microcomputer.
Food information in storeroom 11 in air-tight state can include food species, for example, tomato, grape, fish
Deng as food title.Thus, the refrigeration plant also includes：Food species acquisition module 13.Food species acquisition module 13 can
To know corresponding food species according to the image of food, now, camera 111 is provided with storeroom 11.The camera 111
The intersection of the rear wall of storeroom 11 and upper wall is preferably provided at, with the food completely stored to greatest extent in shooting storeroom 11.
The camera 111 can also move in the left and right sidewall of storeroom 11, roof, and to provide plurality of pictures, reflection is placed on storage
The food image of each position in room 11.It is advantageous in that according to image acquisition and is operated without user, automatic identification.Other implementations
In example, menu or voice acquisition module that user is manually entered can also be provided, to be manually entered or voice collecting food species.
With identification technology progress, food species can also be identified according to Quick Response Code, smell sensor etc..
Camera 111 transmits food species picture transfer to food species acquisition module 13, the latter to controller 12.
Information transmission between above-mentioned each module can be connected by circuit and realized, can also wirelessly, such as bluetooth, wifi
Deng.
When the food that food species acquisition module 13 is got in storeroom 11 is a kind of, by corresponding to the food items
Suitable storage condition is transferred to controller 12.It is understood that the storage condition of storeroom 11 is adjusted to the food items
Corresponding suitable storage condition, that is, be advantageous to extend the fresh keeping time of this kind of food.
Suitable storage condition list can be a) to be stored in memory (not shown) corresponding to various group foods, the memory
It is connected with controller 12, or b) controller 12 includes the storage of suitable storage condition list corresponding to the various group foods of storage
Device, or c) corresponding to various group foods suitable storage condition list is stored in controller 12.Various group foods, are included as far as possible
Existing various foods, corresponding suitable storage condition list are i.e. saved when refrigeration plant 1 dispatches from the factory.
When the food that food species acquisition module 13 is got in storeroom 11 is two kinds and its above, food information is also
Including diet group corresponding to two or more the food.As shown in Fig. 2 refrigeration plant 1 also includes diet group identification mould
Block 14, for by the food species of each food of acquisition, being compared with the food species in the food Groups List stored, with
Each food is subdivided into each diet group.Food Groups List is food species and the mapping table of diet group, and it can be with a) storage
In memory, the memory is connected with diet group identification module 14, or b) the diet group identification module 14 is stored with including one
The memory of food Groups List, or c) food Groups List is stored in diet group identification module 14.
Diet group corresponding to two or more food includes two kinds of situations, and a) various foods belong to a food
Suitable storage condition corresponding to the various affiliated diet groups of food is transferred to controller by group, now, diet group identification module 14
12.It is understood that storage condition is adjusted to suitable storage condition corresponding to the various affiliated diet groups of food, be advantageous to
Extend the fresh keeping time of this group of food.B) various foods belong to different diet groups, now trigger food species acquisition module 13 and obtain
Take the quantity of various foods, i.e., preferably adjust storage condition to corresponding to the diet group belonging to the most food species of quantity
Suitable storage condition.Now, diet group identification module 14 will fit corresponding to the diet group belonging to the most food species of quantity
Suitable storage condition is transferred to controller 12.In other embodiments, the menu that user sets weight manually can also be provided, will be deposited
Storage condition is adjusted to suitably storing bar corresponding to the maximum diet group of the diet group belonging to the maximum food species of weight or weight
Part.
Referring to shown in Fig. 2 and Fig. 3, refrigeration plant 1 also includes：
Oxygen sensor 151, for obtaining the oxygen concentration in storeroom 11 in real time；
Oxygen concentration adjuster 152, controlled device 12 control, and are more than in the oxygen concentration that oxygen sensor 151 obtains suitable
During the oxygen concentration range maximum of suitable storage condition, the oxygen in storeroom 11 consume until when reaching stopping；Or
When the oxygen concentration of acquisition is less than the oxygen concentration range minimum value of suitable storage condition, it is straight that oxygen supply is carried out to storeroom 11
To stopping when reaching；
Carbon dioxide sensor 161, for obtaining the gas concentration lwevel in storeroom 11 in real time；
Gas concentration lwevel adjuster 162, controlled device 12 control, in the titanium dioxide that carbon dioxide sensor 161 obtains
When concentration of carbon is more than the gas concentration lwevel scope maximum of suitable storage condition, the carbon dioxide in storeroom 11 is disappeared
Consumption when reaching until stop；Or the gas concentration lwevel obtained is less than the gas concentration lwevel stated range minimum of suitable storage condition
When, carbon dioxide supply is carried out to storeroom 11 until stopping when reaching；
Nitrogen sensor 171, for obtaining the nitrogen gas concn in storeroom 11 in real time；
It is small in the nitrogen gas concn that nitrogen sensor 171 obtains and nitrogen gas concn adjuster 172, controlled device 12 control
When the nitrogen gas concn stated range minimum of suitable storage condition, nitrogen supply is carried out to the storeroom until stopping when reaching,
Or obtain nitrogen gas concn be more than suitable storage condition nitrogen gas concn scope maximum when, in storeroom 11 nitrogen carry out
Consumption when reaching until stop.
Oxygen sensor 151, carbon dioxide sensor 161 and the three of nitrogen sensor 171 can then one, two or same
When possess.To be provided simultaneously with the present embodiment, due to visual angle in Fig. 2, oxygen sensor 151, oxygen concentration regulation are only illustrated
Device 152.
When with oxygen sensor 151 and during oxygen concentration adjuster 152, refrigeration plant 1 also includes oxygen supply and set
Standby 153, oxygen supply arrangement 153 can be oxygen air accumulator.Storage can be compressed oxygen in the oxygen air accumulator.When need
When carrying out oxygen supply to storeroom 11, the control connection of oxygen concentration adjuster 152 oxygen supply arrangement 153 and storeroom 11 it
Between the valve 154 of pipeline open and realize, oxygen supply finishing control valve 154 is closed.When need to be to the oxygen in storeroom 11
During consumption, it can a) be realized by opening connection storeroom 11 and the air bleeding valve 155 in the external world；Or b) connect storeroom by opening
Valve between 11 and oxygen consumption equipment (not shown) is realized；Or c) be passed through carbon dioxide, nitrogen or it is other can dilution oxygen
Concentration gases.At the end of oxygen consumes, oxygen concentration adjuster 152 control a), b), c) in corresponding valve close.Such as need
When consuming oxygen, oxygen and hydrogen can be generated by electrolysis water, above-mentioned mixed gas is passed through into the gas after oxygen consumption equipment reaction
Body introduce storeroom 11 with dilution oxygen concentration, or by after reaction remaining hydrogen introduce storeroom 11 with its in oxygen reaction with
Consume oxygen.
Similarly, when with carbon dioxide sensor 161 and during gas concentration lwevel adjuster 162, refrigeration plant 1 is also
Including carbon dioxide supply arrangement 163, carbon dioxide supply arrangement 163 can be compression carbon dioxide air accumulator.When need to storage
When hiding the progress carbon dioxide supply of room 11, the control connection carbon dioxide of gas concentration lwevel adjuster 162 supply arrangement 163 and storage
The valve 164 of pipeline, which is opened, between the room 11 of Tibetan is realized, the carbon dioxide supply finishing control valve 164 is closed.When needing storeroom
During carbon dioxide-depleted in 11, it can a) be realized by opening connection storeroom 11 with extraneous air bleeding valve 165；Or b) pass through
The valve opened between connection storeroom 11 and carbon dioxide-depleted equipment (not shown) is realized；Or c) be passed through oxygen, nitrogen or
It is other to dilute gas concentration lwevel gas.At the end of carbon dioxide-depleted, gas concentration lwevel adjuster 162 control a), b),
C) valve corresponding to is closed.
When with nitrogen sensor 171 and during nitrogen gas concn adjuster 172, refrigeration plant 1 also includes nitrogen supply and set
Standby 173, nitrogen supply arrangement 173 can be compressed nitrogen air accumulator.When that need to carry out nitrogen supply to storeroom 11, nitrogen is dense
The valve 174 for spending pipeline between the control connection nitrogen of adjuster 172 supply arrangement 173 and storeroom 11 opens realization, and nitrogen supplies
To finishing control, the valve 174 is closed.When needing the nitrogen in storeroom 11 to consume, a) storeroom 11 can be connected by opening
Realized with the air bleeding valve 175 in the external world；Or b) be passed through oxygen, carbon dioxide or it is other can diluent nitrogen concentration gases.Nitrogen consumes
At the end of, nitrogen gas concn adjuster 172 control a), b) in corresponding valve close.
Oxygen sensor 151, and/or carbon dioxide sensor 161, and/or nitrogen sensor 171 obtain storeroom in real time
When oxygen, carbon dioxide in 11, nitrogen gas concn, each sensor can be obtained with certain frequency.
The concentration that oxygen sensor 151, and/or carbon dioxide sensor 161, and/or nitrogen sensor 171 obtain can be with
Controller 12 is first transferred to, after controller 12 compares the concentration of the concentration and suitable storage condition received, controls oxygen concentration
Adjuster 152, and/or gas concentration lwevel adjuster 162, and/or nitrogen gas concn adjuster 172 work.
It is understood that the refrigeration plant 1 of the present invention sets the suitable specific aim gas that it is stored according to different foods
Species and concentration, be advantageous to improve fresh-keeping effect, extend fresh keeping time.
Based on above-mentioned refrigeration plant 1, the present embodiment also provides a kind of preservation method, including：
S1：Judge whether storeroom 11 is closed；
If so, then perform S2：Obtain the food information in the storeroom 11 of air-tight state；
S3：Gaseous species and concentration in control storeroom 11 are adjusted to suitable storage condition corresponding to food information.
Specifically, in S1, the position judgment of the doors obtained of the position sensor 11a on 11, storeroom can be passed through
Whether storeroom 11 is closed.
In S2, the food information obtained in the storeroom 11 of air-tight state includes：Obtain food species.Food species can be with
According to the image automatic identification of food, can also be manually entered by user or through voice collecting.
When it is a kind of to get the food in storeroom 11, suitable storage condition corresponding to the food items can be passed
It is handed to controller 12.The storage condition of storeroom 11 is adjusted to suitable storage condition corresponding to the food items, that is, is advantageous to
Extend the fresh keeping time of this kind of food.When it is two or more to get the food in storeroom 11, food information is also
Including diet group corresponding to two or more the food.
Diet group can be obtained by following step：By the food species of each food of acquisition, with the diet group stored
Food species in list are compared, and each food is subdivided into each diet group.
It is when two or more the food is divided to same food group, the various affiliated diet groups of food are corresponding
Suitable storage condition be transferred to controller 12.Storage condition is adjusted to suitable corresponding to the various affiliated diet groups of food
Storage condition.When two or more the food is divided to different diet groups, the quantity of various foods is obtained, by number
Suitable storage condition is transferred to controller 12 corresponding to diet group belonging to the most food species of amount.Now, it is described suitable
Storage condition can be suitable storage condition corresponding to the diet group belonging to the most food species of quantity.Other embodiments
In, the menu that user sets weight manually can also be provided, storage condition is adjusted to belonging to the maximum food species of weight
Diet group or the maximum diet group of weight corresponding to suitable storage condition.The quantity of various group foods can be according to food figure
As knowing, can also be manually entered by user or through voice collecting.
Research shows that the gaseous species and gas concentration of storage ambient influence the fresh keeping time of food, and the gaseous species can
Think nitrogen, and/or carbon dioxide, and/or nitrogen, adjusting to the suitable storage condition step of food to include；
The oxygen concentration in storeroom 11 is obtained in real time；
When the oxygen concentration of acquisition is more than the oxygen concentration range maximum of suitable storage condition, control to storeroom 11
Interior oxygen consume until when reaching stopping；Or the oxygen concentration obtained is less than the oxygen concentration range of suitable storage condition
During minimum value, control and oxygen supply is carried out to storeroom 11 until stopping when reaching；
And/or the real-time gas concentration lwevel obtained in storeroom 11；
When the gas concentration lwevel of acquisition is more than the gas concentration lwevel scope maximum of suitable storage condition, control pair
Carbon dioxide in storeroom 11 consume until when reaching stopping；Or obtain gas concentration lwevel be less than suitably store bar
During the gas concentration lwevel stated range minimum of part, control and carbon dioxide supply is carried out to storeroom 11 until stopping when reaching；
And/or the real-time nitrogen gas concn obtained in storeroom 11；
When the nitrogen gas concn of acquisition is less than the nitrogen gas concn stated range minimum of suitable storage condition, controls and storeroom 11 is entered
The supply of row nitrogen when reaching until stop；It is or maximum more than the nitrogen gas concn scope of suitable storage condition in the nitrogen gas concn of acquisition
During value, control and the nitrogen in storeroom 11 consume until when reaching stopping.
Obtaining the oxygen concentration in storeroom 11, gas concentration lwevel, nitrogen gas concn in real time can correspond to by oxygen biography
Sensor 151, carbon dioxide sensor 161, nitrogen sensor 171 realize that above-mentioned each concentration value can be transferred to controller 12.
The one side of controller 12 get in storeroom 11 real-time oxygen concentration, and/or gas concentration lwevel, and/or
Nitrogen gas concn；On the other hand the oxygen concentration model in storeroom 11 in suitable storage condition corresponding to food information is also got
Enclose, and/or gas concentration lwevel scope, and/or nitrogen gas concn scope.Compare both, if the former concentration of corresponding gas does not fall
In the latter's concentration range, you can control oxygen concentration adjuster 152, and/or gas concentration lwevel adjuster 162, and/or nitrogen
Consistencyregulator 172 works, until the former is fallen into latter range.
The gas storage of corresponding gas can be passed through to the oxygen in storeroom 11, and/or the supply of carbon dioxide, and/or nitrogen
Tank realize, consume for can by storeroom 11 is exhausted or with respective substance react, it might even be possible to be passed through other species
Gas is diluted.
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art, this is not being departed from
In the spirit and scope of invention, it can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
The scope of restriction is defined.
Claims (27)
1. a kind of refrigeration plant (1), including sealable storeroom (11)；
Characterized in that, also include：
Controller (12), for according to the food information in the acquired storeroom (11) in air-tight state, described in control
Gaseous species and concentration in storeroom (11) are adjusted to suitable storage condition corresponding to the food information.
2. refrigeration plant (1) according to claim 1, it is characterised in that the food information includes food species, described
Refrigeration plant (1) includes food species acquisition module (13).
3. refrigeration plant (1) according to claim 2, it is characterised in that get the food in the storeroom (11)
For one kind, the suitable storage condition is suitable storage condition corresponding to the food items.
4. refrigeration plant (1) according to claim 2, it is characterised in that get the food in the storeroom (11)
For two or more, the food information also includes diet group corresponding to two or more the food, described suitable
Suitable storage condition is suitable storage condition corresponding to the diet group.
5. refrigeration plant (1) according to claim 4, it is characterised in that also including diet group identification module (14), be used for
By the food species of each food of acquisition, it is compared with the food species in the food Groups List stored, by each food
It is subdivided into each diet group.
6. refrigeration plant (1) according to claim 5, it is characterised in that the food information also includes every kind of food
Quantity, when two or more the food is divided to different diet groups, the suitable storage condition is that quantity is most
The food species belonging to diet group corresponding to suitable storage condition.
7. refrigeration plant (1) according to claim 2, it is characterised in that food species acquisition module (13) basis
The image of food knows corresponding food species.
8. refrigeration plant (1) according to claim 1, it is characterised in that the suitable storage condition include oxygen concentration,
And/or gas concentration lwevel, and/or nitrogen gas concn.
9. refrigeration plant (1) according to any one of claim 1 to 8, it is characterised in that also include：
Oxygen sensor (151), for obtaining the oxygen concentration in the storeroom (11) in real time；
And oxygen concentration adjuster (152), it is controlled by the controller (12), is obtained in the oxygen sensor (151)
When oxygen concentration is more than the oxygen concentration range maximum of the suitable storage condition, the oxygen in the storeroom (11) is entered
Row consumption when reaching until stop；Or the oxygen concentration obtained is less than the oxygen concentration range minimum value of the suitable storage condition
When, oxygen supply is carried out to the storeroom (11) until stopping when reaching.
10. refrigeration plant (1) according to claim 9, it is characterised in that described also including oxygen supply arrangement (153)
Oxygen supply arrangement (153) is compressed oxygen air accumulator.
11. the refrigeration plant (1) according to claim 9 or 10, it is characterised in that the oxygen in the storeroom (11) disappears
The air bleeding valve (155) that consumption connects the storeroom (11) and the external world by opening is realized or sets the storeroom (11) with oxygen consumption
Standby connection is realized.
12. refrigeration plant (1) according to any one of claim 1 to 8, it is characterised in that also include：
Carbon dioxide sensor (161), for obtaining the gas concentration lwevel in the storeroom (11) in real time；
And gas concentration lwevel adjuster (162), it is controlled by the controller (12), in the carbon dioxide sensor
(161) when the gas concentration lwevel obtained is more than the gas concentration lwevel scope maximum of the suitable storage condition, to described
Carbon dioxide in storeroom (11) consume until when reaching stopping；Or the gas concentration lwevel obtained is suitable less than described
During the gas concentration lwevel stated range minimum of storage condition, carbon dioxide supply is carried out to the storeroom (11) until when reaching
Stop.
13. refrigeration plant (1) according to claim 12, it is characterised in that also including carbon dioxide supply arrangement
(163), the carbon dioxide supply arrangement (163) is compression carbon dioxide air accumulator.
14. the refrigeration plant (1) according to claim 12 or 13, it is characterised in that the dioxy in the storeroom (11)
Change carbon consumption connects the storeroom (11) and extraneous air bleeding valve (165) realization by opening, or by opening described in connection
Valve between storeroom (11) and carbon dioxide absorption equipment is realized.
15. refrigeration plant (1) according to any one of claim 1 to 8, it is characterised in that also include：
Nitrogen sensor (171), for obtaining the nitrogen gas concn in the storeroom (11) in real time；
And nitrogen gas concn adjuster (172), it is controlled by the controller (12), is obtained in the nitrogen sensor (171)
When nitrogen gas concn is less than the nitrogen gas concn stated range minimum of the suitable storage condition, nitrogen confession is carried out to the storeroom (11)
To until stop when reaching, or when the nitrogen gas concn obtained is more than the nitrogen gas concn scope maximum of the suitable storage condition,
Nitrogen in the storeroom (11) consume until when reaching stopping.
16. refrigeration plant (1) according to claim 15, it is characterised in that also including nitrogen supply arrangement (173), institute
It is compressed nitrogen air accumulator to state nitrogen supply arrangement (173).
17. the refrigeration plant (1) according to claim 15 or 16, it is characterised in that the nitrogen in the storeroom (11)
Consumption is realized by opening the connection storeroom (11) with extraneous air bleeding valve (175).
18. refrigeration plant (1) according to claim 1, it is characterised in that the sealable storeroom (11) is to take out
Drawer.
19. refrigeration plant (1) according to claim 1, it is characterised in that also including position sensor (11a), for examining
The position for the door for closing the storeroom (11) is surveyed, to judge whether the storeroom (11) is in air-tight state.
A kind of 20. food fresh-keeping method of refrigeration plant (1), it is characterised in that including：
Judge whether storeroom (11) is closed；If so, then obtaining the food information in the storeroom (11) of air-tight state, institute is controlled
State the gaseous species in storeroom (11) and concentration is adjusted to suitable storage condition corresponding to the food information.
21. food fresh-keeping method according to claim 20, it is characterised in that in the storeroom (11) for obtaining air-tight state
Food information include：Obtain food species.
22. food fresh-keeping method according to claim 21, it is characterised in that get the food in the storeroom (11)
Thing is one kind, and the suitable storage condition is suitable storage condition corresponding to the food items.
23. food fresh-keeping method according to claim 21, it is characterised in that get the food in the storeroom (11)
Thing is two or more, and the food information also includes diet group corresponding to two or more the food, described
Suitable storage condition is suitable storage condition corresponding to the diet group.
24. food fresh-keeping method according to claim 23, it is characterised in that diet group is obtained by following step：Will
The food species of each food obtained, are compared with the food species in the food Groups List stored, and each food is drawn
It is divided into each diet group.
25. food fresh-keeping method according to claim 24, it is characterised in that when two or more the food quilt
When being divided to different diet groups, the suitable storage condition is to be fitted corresponding to the diet group belonging to the most food species of quantity
Suitable storage condition.
26. food fresh-keeping method according to claim 20, it is characterised in that it is dense that the suitable storage condition includes oxygen
Degree, and/or gas concentration lwevel, and/or nitrogen gas concn；
Adjusting suitable storage condition corresponding to the gaseous species in the storeroom (11) and concentration to the food information includes：
The oxygen concentration in the storeroom (11) is obtained in real time；
When the oxygen concentration of acquisition is more than the oxygen concentration range maximum of the suitable storage condition, control to the storage
Oxygen in room (11) consume until when reaching stopping；Or the oxygen concentration obtained is less than the oxygen of the suitable storage condition
During gas concentration stated range minimum, control and oxygen supply is carried out to the storeroom (11) until stopping when reaching；
And/or gas concentration lwevel in the storeroom (11) is obtained in real time；
When the gas concentration lwevel of acquisition is more than the gas concentration lwevel scope maximum of the suitable storage condition, control pair
Carbon dioxide in the storeroom (11) consume until when reaching stopping；Or the gas concentration lwevel obtained is less than described
During the gas concentration lwevel stated range minimum of suitable storage condition, control and carbon dioxide supply is carried out to the storeroom (11) directly
To stopping when reaching；
And/or nitrogen gas concn in the storeroom (11) is obtained in real time；
When the nitrogen gas concn of acquisition is less than the nitrogen gas concn stated range minimum of the suitable storage condition, control to the storeroom
(11) nitrogen supply is carried out until stopping when reaching；It is or dense more than the nitrogen of the suitable storage condition in the nitrogen gas concn of acquisition
When spending scope maximum, control and the nitrogen in the storeroom (11) consume until when reaching stopping.
27. food fresh-keeping method according to claim 26, it is characterised in that to the oxygen in the storeroom (11),
And/or carbon dioxide, and/or nitrogen are consumed by the way that realization is exhausted to the storeroom (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716026.5A CN107771911A (en) | 2016-08-24 | 2016-08-24 | The food fresh-keeping method of refrigeration plant and refrigeration plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716026.5A CN107771911A (en) | 2016-08-24 | 2016-08-24 | The food fresh-keeping method of refrigeration plant and refrigeration plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107771911A true CN107771911A (en) | 2018-03-09 |
Family
ID=61393531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610716026.5A Pending CN107771911A (en) | 2016-08-24 | 2016-08-24 | The food fresh-keeping method of refrigeration plant and refrigeration plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107771911A (en) |
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Application publication date: 20180309 |