CN109737663A - A kind of controlled atmosphere cold storage case and its controlled atmosphere control method - Google Patents
A kind of controlled atmosphere cold storage case and its controlled atmosphere control method Download PDFInfo
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- CN109737663A CN109737663A CN201910056646.4A CN201910056646A CN109737663A CN 109737663 A CN109737663 A CN 109737663A CN 201910056646 A CN201910056646 A CN 201910056646A CN 109737663 A CN109737663 A CN 109737663A
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Abstract
The invention belongs to controlled atmosphere cold storage technical fields, and in particular to a kind of controlled atmosphere cold storage case and its controlled atmosphere control method.Controlled atmosphere cold storage case and controlled atmosphere control method of the invention, devise ternary method, only control oxygen concentration, the intracorporal vapor relative humidity of control cabinet, the intracorporal temperature of control cabinet of cabinet, it is to realize that controlled atmosphere is most economical and most reasonable manner, traditional controlled atmosphere mode can be substituted, and a series of advantages such as good, at low cost with stability.
Description
Technical field
The invention belongs to controlled atmosphere cold storage technical fields, and in particular to a kind of controlled atmosphere cold storage case and its controlled atmosphere control method.
Background technique
Various plants, animality fresh food, article cell survival be fresh-keeping basic demand, cell loses life completely
Power is ordered, within a certain period of time, can make cell hydrolyzed quickly or aoxidize or ferment, fresh essential attribute can be lost.It is fresh-keeping
Most basic requirement be also to be able to maintain by certain time by the original state of fresh-keeping article, including physical attribute, biological attribute,
Refrigeration and freezing, cannot achieve such requirement, and controlled atmosphere is one of the best mode for realizing this target.Traditional gas
It adjusts fresh-keeping based on biophysics essential attribute, carries out respiratory characteristic research to by fresh-keeping article, emphasize to control influence breathing
Each technical indicator, including the various gas concentrations found after tested: oxygen, carbon dioxide, ethylene, vapor and bacterium
Deng, and it is provided with corresponding influence and control device for these technical indicators, for example control oxygen is realized by addition nitrogen
Concentration increases carbon dioxide generating device and realizes control gas concentration lwevel, and setting ethylene wash mill realization is eliminated or removing
Ethylene gas etc..
Traditional controlled atmosphere cold storage technology needs to handle oxygen concentration, vapor, temperature, carbon dioxide, ethylene gas simultaneously
Deng or equipment disposably set parameter, run by preset parameter;For example, Publication No. CN101181091A's is special
A kind of test table for simulating refrigerated transport condition of perishable food disclosed in sharp document.In fact, carbon dioxide is can to pass through cell
Autobalance is breathed, is not to have to increased gas, if quickly inhibiting breathing, ethylene gas yield is extremely micro-
It is small, and increase the diluted mode of nitrogen due to using when control oxygen concentration, a large amount of nitrogen, which also synchronize, dilutes other gases,
Ethylene gas content be it is extremely small, the actual effect of washing or removing is not very detail, is not required to examine in most cases
Consider.
There is the processing to carbon dioxide and ethylene gas other than oxygen in traditional controlled atmosphere cold storage technology, so that control mostly
System processed increases complexity, and does not influence on by the active metabolism of the cell of the article of fresh-keeping storage, causes
Fresh-keeping effect is not especially carbon dioxide gas very well, can be realized by the breathing of the after ripening process of article passive flat
Weighing apparatus should be the product breathed, it should not need to start just to be added, such as add carbon dioxide gas, the cell of article certainly will be caused to exhale
It is uncontrolled to inhale environment, and since carbon dioxide is main energy source to part anaerobic bacteria, anaerobic bacteria can be promoted to grow
It is raw, it is unfavorable for fresh-keeping.Moreover, from actual use air conditioning technology require and must for, as long as realize quickly reduce and control temperature
Degree, oxygen concentration, holding simultaneously control water vapor concentration, are realized as early as possible by fresh-keeping article suspend mode and moisture is kept not scattered and disappeared,
The practical necessity controlled of its gas is extremely low.
Summary of the invention
Aiming at the above shortcomings existing in the prior art, the present invention provides a kind of controlled atmosphere cold storage case and its controlled atmosphere controlling party
Method.
In order to achieve the above object of the invention, the invention adopts the following technical scheme:
A kind of controlled atmosphere cold storage case, it is described including cabinet, refrigeration system, humidification system and nitrogen gas generating system with gas-tight door
Oxygen concentration sensor, temperature sensor and humidity sensor are equipped in cabinet, the oxygen concentration sensor is used for detection case
Intracorporal oxygen concentration, temperature sensor are used for the intracorporal temperature of detection case, and humidity sensor is used for the intracorporal humidity of detection case;
The controlled atmosphere cold storage case further includes central controller, central controller respectively with refrigeration system, humidification system, nitrogen gas generating system, oxygen
Gas concentration sensor, temperature sensor are connected with humidity sensor signal, and central controller is dense for the intracorporal oxygen of regulating box
Within the scope of degree, vapor relative humidity and temperature to respective goal-selling.
Preferably, the central controller includes:
Control module;
Receiving module is connect with control module, for receiving oxygen concentration sensor, temperature sensor and humidity sensor
Detection signal;
Memory module is connect with control module, for storing refrigeration object-target goals range table of comparisons;
Matching module is connect with control module, for matching refrigeration object-target goals range table of comparisons according to object to be refrigerated
To obtain goal-selling range.
Preferably, the central controller further includes setup module and touch screen, setup module, touch screen and control
The connection of molding block, setup module are used to that refrigeration object-target goals range table of comparisons to be arranged by touch screen, and touch screen is for showing
The working condition of controlled atmosphere cold storage case.
Preferably, the central controller further includes wireless communication module, is connect with control module, is used for and one
External communication terminal connection, and receive the remote control commands of external communication terminal.
Preferably, the cabinet and refrigeration system, humidification system and nitrogen gas generating system are designed or are integrated for discrete
It is integrated.
Preferably, the controlled atmosphere cold storage case is powered by net electricity or battery group;The controlled atmosphere cold storage case is to fix
Formula or movable type.
Preferably, the controlled atmosphere cold storage case further includes positioning system, and positioning system is determined for controlled atmosphere cold storage case
Position.
The present invention also provides a kind of controlled atmosphere control method of controlled atmosphere cold storage case, the controlled atmosphere cold storage case includes having gas-tight door
Cabinet, the controlled atmosphere control method the following steps are included:
S1, the intracorporal oxygen concentration of case, vapor relative humidity and temperature are obtained;
S2, the respectively intracorporal oxygen concentration of regulating box, vapor relative humidity and temperature to respective goal-selling model
In enclosing, to obtain target storage environment.
Preferably, the controlled atmosphere control method is further comprising the steps of:
S3, corresponding goal-selling model is not at when the intracorporal oxygen concentration of case, vapor relative humidity or temperature
In enclosing, step S2 is repeated.
Preferably, the goal-selling range is according to one refrigeration object-target goals range pair of object to be refrigerated matching
It is obtained according to table.
Compared with prior art, the present invention beneficial effect is:
Controlled atmosphere cold storage case and controlled atmosphere control method of the invention, devises ternary method, i.e., the oxygen for only controlling cabinet is dense
Degree, the intracorporal vapor relative humidity of control cabinet, the intracorporal temperature of control cabinet are to realize that controlled atmosphere is most economical and most reasonable
Mode can substitute traditional controlled atmosphere mode, and a series of advantages such as good, at low cost with stability.
Detailed description of the invention
Fig. 1 is the backsight diagrammatic cross-section of the ternary method intelligent air conditioning refrigerating box of the embodiment of the present invention;
Fig. 2 is the side elevational cross-section schematic diagram of the ternary method intelligent air conditioning refrigerating box of the embodiment of the present invention;
Fig. 3 is the diagrammatic cross-section of the equipment room of the ternary method intelligent air conditioning refrigerating box of the embodiment of the present invention;
Fig. 4 is another diagrammatic cross-section of the equipment room of the ternary method intelligent air conditioning refrigerating box of the embodiment of the present invention;
Fig. 5 is the workflow schematic diagram of the ternary method intelligent air conditioning refrigerating box of the embodiment of the present invention;
Fig. 6 is the modular structure schematic diagram of the central controller of the ternary method intelligent air conditioning refrigerating box of the embodiment of the present invention.
Specific embodiment
In order to illustrate the embodiments of the present invention more clearly, Detailed description of the invention a specific embodiment of the invention will be compareed below.
It should be evident that drawings in the following description are only some embodiments of the invention, those of ordinary skill in the art are come
It says, without creative efforts, is also possible to obtain other drawings based on these drawings, and obtain other real
Apply mode.
The ternary method intelligent air conditioning refrigerating box of the embodiment of the present invention is by relatively wet to oxygen concentration, vapor in cabinet
Degree, temperature carry out a kind of storage equipment of auto-control, can fix and move use.Using the refrigerating box, can store or
Storage and transportation food simultaneously significantly extends fresh keeping time.In an end of ternary method intelligent air conditioning refrigerating box, set up equipment room or
Between external equipment, basic mode: (1) be provided with provide nitrogen nitrogen gas tank or nitrogen making machine, by the road with control unit and case
Internal portion's connection is simultaneously discharged mixed gas in case by nitrogen input simultaneously, realizes oxygen concentration in control cabinet body;(2) it is arranged
Realize the refrigeration system for reducing case body temperature, the evaporator of refrigeration system connect with cabinet or is directly installed in cabinet
Portion, and run by inner fan and realize that gas temperature is adjusted to the temperature set in case, realizes the regulation to the temperature inside the box;
(3) it is provided with water tank and pressure atomizing device, and is sent in case in air hose by pipeline, is sent to each portion in case through circulating fan
The regulation to air humidity in cabinet is realized in position.(4) it is provided with the central controller for connecting each functional component, and is set in the case
Set corresponding sensor, data transmission processing system etc., each group of data is all connected with central controller, and through plug-in at
Reason realizes intelligent operation.
Regulation of the central controller to data and each components operation of equipment in terms of these three, is createed preset
Technical indicator (temperature, humidity, oxygen concentration) storage condition is realized that object to be refrigerated is in minimum metabolic state, and is kept
Moisture is not lost substantially, is realized fresh-keeping.
Specifically, as shown in figures 1 to 6, the ternary method intelligent air conditioning refrigerating box of the embodiment of the present invention, comprising:
1, the outer frame body of multiple component (diagram 1,5,6,13,14,19 etc.) compositions;
2, the airtight inner lining of multiple component (diagram 20 etc.) compositions;
3, gas-tight door (diagram 23);
4, the system that the components such as nitrogen gas tank (diagram 3,34), high pressure supercharger (diagram 2), decompression and controller, pipeline are constituted
Nitrogen system, specific connection structure can refer to the prior art;
5, refrigeration machine (diagram 11,30), evaporator and fan assembly (diagram 8,10,16,17,28), condenser and blower
The refrigeration system that component (diagram 7,9) and control assembly are constituted, specific connection structure can refer to the prior art;
6, press atomization humidifier (diagram 27), water tank assembly (diagram 26) and the compositions such as associated pipe and controller plus
Wet system, specific connection structure can refer to the prior art;
7, sensor module (diagram 22,25), including oxygen concentration sensor, temperature sensor and humidity sensor, temperature
Degree sensor and humidity sensor can integrate as Temperature Humidity Sensor;Oxygen concentration sensor is used for the intracorporal oxygen of detection case
Concentration, temperature sensor are used for the intracorporal temperature of detection case, and humidity sensor is used for the intracorporal humidity of detection case;
8, balanced valve (diagram 31);
9, each serial air pipe line (diagram 15,18,21,29,32,33) of supply and exhaust and support device;
10, interior trim panel and lighting system (diagram does not mark);
11, external sealing plate (diagram 4,19 etc.);
12, cabinet integrated foaming heat preservation layer (diagram 20);
13, power accumulator group (diagram 12);
14, central controller, central controller are sensed with refrigeration system, humidification system, nitrogen gas generating system, oxygen concentration respectively
Device, temperature sensor are connected with humidity sensor signal, and central controller is used for the intracorporal oxygen concentration of regulating box, vapor phase
To within the scope of humidity and temperature to respective goal-selling;Specifically, as shown in fig. 6, central controller includes:
Control module;Control module is communicated to connect with the controller of refrigeration system, humidification system, nitrogen gas generating system respectively;
Receiving module is communicated to connect with control module, oxygen concentration sensor, temperature sensor and humidity sensor, is used
In the detection signal for receiving oxygen concentration sensor, temperature sensor and humidity sensor;
Memory module is communicated to connect with control module, for storing refrigeration object-target goals range table of comparisons;
Matching module is communicated to connect with control module, for matching refrigeration object-target goals range pair according to object to be refrigerated
According to table to obtain goal-selling range;
Setup module is communicated to connect with control module, for passing through setting refrigeration object-target goals range table of comparisons;
Touch screen is connect with control module, for showing the working condition of controlled atmosphere cold storage case, is also used to set by touch screen
Set refrigeration object-target goals range table of comparisons;
Wireless communication module is communicated to connect with control module, is connected for wirelessly communicating with external communication terminal, and receive
The remote control commands of external communication terminal realize the long-range control to refrigerating box.
15, electric connection system and each component;
16, standard component etc..
The ternary method intelligent air conditioning refrigerating box of the embodiment of the present invention is assembled by above-mentioned parts.Following table is that the present invention is real
Apply the example explanation of the ternary method intelligent air conditioning refrigerating box of example:
As shown in figure 5, the working principle of the ternary method intelligent air conditioning refrigerating box of the embodiment of the present invention are as follows:
One, cabinet is high-air-tightness, and inside is provided with induction gas oxygen concentration, temperature, vapor relative humidity
Sensor and data transmitter are connect through signal connecting line with central controller;Refrigeration system include refrigeration unit, evaporator,
Condenser, pressure fan, exhaust blower, sensor and control element etc. are connect by pipeline with cabinet, and are connected by signal wire
Central controller;Humidification system includes press atomization humidifier and water tank and pipeline, sensor and control element etc., passes through pipeline
And signal line is connect with cabinet and central controller respectively;Nitrogen making machine or nitrogen gas tank pass through control element and piping connection case
Body, sensor and control element pass through pipeline and connection cabinet and central controller.
Two, after being put into article to be refrigerated in cabinet, chamber door is closed;Power supply is accessed, central controller is opened, in controller face
Menu selection is carried out on plate, selects and is put into article list, and start key is pressed after confirmed, system carries out full-automatic intelligent operation,
The adjustment of case composition of gases within, temperature control, humid control is carried out by preset program to stop automatically until reaching preset value
The only operation of correspondence system;Changed in sensor to gaseous state in outlet (temperature, gas concentration, humidity) index,
When beyond pre-set level range, each system of cabinet can carry out automatic running as needed, reach default, realize stop fortune again
Row;System will all realize dynamic control and automatic detection, automatic running situation from bringing into operation.
Three, connection positioning system, such as dipper system, GPS system be can according to need, and can according to need access nothing
Line information system realizes the functions such as remote visible, controllable.
The ternary method intelligent air conditioning refrigerating box of the embodiment of the present invention discloses a kind of new fresh-keeping mode, in all kinds of fresh-keeping need
It asks field that can be applicable in, can be adapted for moving fresh-keeping, the fixed various places such as fresh-keeping, container, library, old can be shown as
Column cabinet, small box;It can show as dynamic, unpowered (reach controlled atmosphere condition and remove power) etc. can also be shown as
Occasion;In addition, ternary method intelligent air conditioning refrigerating box can be independent case body and equipment passes through pipeline and connection, it can be discrete
Mode uses, and can also be used with disjunctor, i.e., cabinet and refrigeration system, humidification system and nitrogen gas generating system are designed or integrated for discrete
It is integrated.Wherein, nitrogen gas source can be prepared using nitrogen making machine, can also be provided using nitrogen tank arrangement;Power supply can be net
Electricity is also possible to battery group.The embodiment of the present invention is adapted to (be refrigerated by the preservation technology technological parameter of fresh-keeping article
Object-target goals range the table of comparisons), central controller can be directly inputted, center control can also be implanted by chip apparatus
Device.
Corresponding to the ternary method intelligent air conditioning refrigerating box of the embodiment of the present invention, it is cold that the embodiment of the present invention also provides a kind of controlled atmosphere
Hide the controlled atmosphere control method of case, comprising the following steps:
S1, the intracorporal oxygen concentration of case, vapor relative humidity and temperature are obtained;Specifically, oxygen concentration sensor,
Temperature sensor and humidity sensor signal are respectively used to obtain the intracorporal oxygen concentration of case, temperature and humidity, central controller
The intracorporal oxygen concentration of receiving magazine, temperature and humidity;
S2, the respectively intracorporal oxygen concentration of regulating box, vapor relative humidity and temperature to respective goal-selling model
In enclosing, to obtain target storage environment.Specifically, the intracorporal oxygen concentration of central controller difference regulating box, vapor are opposite
Within the scope of humidity and temperature to respective goal-selling, to obtain target storage environment;Wherein, central controller also according to
It refrigerates object matching refrigeration object-target goals range table of comparisons and obtains goal-selling range;
Controlled atmosphere control method is further comprising the steps of:
S3, corresponding goal-selling model is not at when the intracorporal oxygen concentration of case, vapor relative humidity or temperature
In enclosing, step S2 is repeated.
That is the process of the controlled atmosphere control method of the controlled atmosphere cold storage case of the embodiment of the present invention are as follows: access power supply opens center control
Device processed carries out menu selection on controller panel, selects and is put into article list, and start key is pressed after confirmed, and system carries out complete
Automatic intelligent operation carries out the adjustment of case composition of gases within, temperature control, humid control, Zhi Daoda by preset program
To preset value, it is automatically stopped the operation of correspondence system;Gaseous state in outlet (temperature, gas concentration, humidity) is given in sensor
Index is changed, and when exceeding pre-set level range, each system of cabinet can carry out automatic running as needed, reaches default,
It realizes again out of service;System will all realize dynamic control and automatic detection, automatic running situation from bringing into operation.
Since the preservation technology of every kind of reserve requires difference mostly, the present invention provides the data that can expand connection to connect
Mouthful, it can according to need input associated specifications, realize and automatically control, dynamic stability uses, and it is more to realize that refrigerating box adapts to
Kind product usage scenario is arbitrarily converted, and the utilization efficiency and use scope of cabinet are improved.The present invention is fresh-keeping according to what is repeatedly carried out
Practice, it is thus identified that the refrigeration of ternary method intelligent air conditioning can fully meet the fresh-keeping requirement of storage article, and without finding ethylene gas
There is the larger impact to storage article in practice in body.Controlled atmosphere cold storage case and its controlled atmosphere control method and traditional gas of the invention
Stored under refrigeration mode is adjusted, the present invention simplifies with system, and it is practical to wait clear superiorities, and since system simplifies, realization
Performance is just more stable, is more conducive to fresh-keeping storage.
The above is only that the preferred embodiment of the present invention and principle are described in detail, to the common skill of this field
For art personnel, the thought provided according to the present invention will change in specific embodiment, and these changes should also regard
For protection scope of the present invention.
Claims (10)
1. a kind of controlled atmosphere cold storage case, including cabinet, refrigeration system, humidification system and nitrogen gas generating system with gas-tight door, feature
It is, oxygen concentration sensor, temperature sensor and humidity sensor are equipped in the cabinet, and the oxygen concentration sensor is used
In the intracorporal oxygen concentration of detection case, temperature sensor is used for the intracorporal temperature of detection case, and humidity sensor is used for detection box
Interior humidity;The controlled atmosphere cold storage case further includes central controller, central controller respectively with refrigeration system, humidification system, system
Nitrogen system, oxygen concentration sensor, temperature sensor are connected with humidity sensor signal, and central controller is in regulating box body
Oxygen concentration, within the scope of vapor relative humidity and temperature to respective goal-selling.
2. a kind of controlled atmosphere cold storage case according to claim 1, which is characterized in that the central controller includes:
Control module;
Receiving module is connect with control module, for receiving oxygen concentration sensor, temperature sensor and the inspection of humidity sensor
Survey signal;
Memory module is connect with control module, for storing refrigeration object-target goals range table of comparisons;
Matching module is connect with control module, for matching refrigeration object-target goals range table of comparisons according to object to be refrigerated to obtain
Take goal-selling range.
3. a kind of controlled atmosphere cold storage case according to claim 2, which is characterized in that the central controller further includes setting mould
Block and touch screen, setup module, touch screen and control module connect, and setup module, which is used to that refrigeration object-to be arranged by touch screen, to be referred to
The target zone table of comparisons is marked, touch screen is used to show the working condition of controlled atmosphere cold storage case.
4. a kind of controlled atmosphere cold storage case according to claim 2, which is characterized in that the central controller further includes channel radio
Believe module, connect with control module, for connecting with an external communication terminal, and the long-range control for receiving external communication terminal refers to
It enables.
5. a kind of controlled atmosphere cold storage case according to claim 1-4, which is characterized in that the cabinet and refrigeration are
System, humidification system and nitrogen gas generating system design or become one for discrete.
6. a kind of controlled atmosphere cold storage case according to claim 1-4, which is characterized in that the controlled atmosphere cold storage case is by net
Electricity or the power supply of battery group;The controlled atmosphere cold storage case is fixed or mobile.
7. a kind of controlled atmosphere cold storage case according to claim 1-4, which is characterized in that the controlled atmosphere cold storage case also wraps
Positioning system is included, positioning system is used for the positioning of controlled atmosphere cold storage case.
8. a kind of controlled atmosphere control method of controlled atmosphere cold storage case, the controlled atmosphere cold storage case includes cabinet, which is characterized in that the controlled atmosphere
Control method the following steps are included:
S1, the intracorporal oxygen concentration of case, vapor relative humidity and temperature are obtained;
Within the scope of S2, the intracorporal oxygen concentration of difference regulating box, vapor relative humidity and temperature to respective goal-selling,
To obtain target storage environment.
9. a kind of controlled atmosphere control method of controlled atmosphere cold storage case according to claim 8, which is characterized in that the controlled atmosphere control
Method is further comprising the steps of:
S3, it is not within the scope of corresponding goal-selling when the intracorporal oxygen concentration of case, vapor relative humidity or temperature,
Repeat step S2.
10. a kind of controlled atmosphere control method of controlled atmosphere cold storage case according to claim 8 or claim 9, which is characterized in that described default
Target zone is obtained according to one refrigeration object of object to be refrigerated matching-target goals range table of comparisons.
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