CN110068188A - Mobile differential pressure precooling and refrigeration all-in-one disguise standby and its application method - Google Patents
Mobile differential pressure precooling and refrigeration all-in-one disguise standby and its application method Download PDFInfo
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- CN110068188A CN110068188A CN201910405033.7A CN201910405033A CN110068188A CN 110068188 A CN110068188 A CN 110068188A CN 201910405033 A CN201910405033 A CN 201910405033A CN 110068188 A CN110068188 A CN 110068188A
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- agricultural products
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 70
- 238000009423 ventilation Methods 0.000 claims abstract description 55
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 239000000284 extract Substances 0.000 claims abstract description 5
- 235000012055 fruits and vegetables Nutrition 0.000 claims description 32
- 235000013305 food Nutrition 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000009183 running Effects 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 description 5
- 235000013311 vegetables Nutrition 0.000 description 4
- 230000032258 transport Effects 0.000 description 3
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 2
- 235000004936 Bromus mango Nutrition 0.000 description 2
- 240000008067 Cucumis sativus Species 0.000 description 2
- 235000010799 Cucumis sativus var sativus Nutrition 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 240000007228 Mangifera indica Species 0.000 description 2
- 235000014826 Mangifera indica Nutrition 0.000 description 2
- 235000009184 Spondias indica Nutrition 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000009746 freeze damage Effects 0.000 description 2
- 235000021022 fresh fruits Nutrition 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000016623 Fragaria vesca Nutrition 0.000 description 1
- 240000009088 Fragaria x ananassa Species 0.000 description 1
- 235000011363 Fragaria x ananassa Nutrition 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 210000000941 bile Anatomy 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/04—Freezing; Subsequent thawing; Cooling
- A23B7/0425—Freezing; Subsequent thawing; Cooling the material not being transported through or in the apparatus, with or without shaping, e.g. in the form of powder, granules or flakes
- A23B7/0433—Freezing; Subsequent thawing; Cooling the material not being transported through or in the apparatus, with or without shaping, e.g. in the form of powder, granules or flakes with packages or with shaping in the form of blocks or portions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/003—Transport containers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
- F25D19/003—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with respect to movable containers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The present invention relates to mobile differential pressure precoolings and refrigeration all-in-one to disguise standby and its application method, which includes: moving containers carriage body, for putting fresh agricultural products；Frequency changing refrigeration system, frequency changing refrigeration system quantity are at least two sets, and frequency changing refrigeration system is mounted on carriage body rear end for providing cooling capacity for carriage body；Air-cooler, air-cooler are fixed at moving containers carriage body inner top, and the cooling capacity that the fresh agricultural products and frequency changing refrigeration system for making moving containers carriage body generate carries out heat exchange；Pressure difference ventilation device, pressure difference ventilation device quantity is at least three sets, pressure difference ventilation device is fixed in moving containers carriage body, and pressure difference ventilation device extracts fresh agricultural products heat out, and hot wind comes into full contact with the cold air that frequency changing refrigeration system generates to be exchanged come the pre-cooling that cools down；Intelligent automatic control system controls frequency changing refrigeration system, air-cooler and pressure difference ventilation device, carries out temperature control to carriage body and makes intelligent automatic conversion of the carriage body between pre-cooling function and cold storage function.
Description
Technical field
The present invention relates to a kind of mobile differential pressure precoolings suitable for fresh agricultural products such as fruits and vegetables and refrigeration all-in-one to disguise
Standby and its application method is related to the cold chain technologies fields such as the pre-cooling of the fresh agricultural products such as fruits and vegetables and refrigeration.
Background technique
Pre-cooling is the first procedure of the fresh agricultural products Cold Chain Circulation technology such as fruits and vegetables, to the cold chain of various fresh agricultural products
Circulate it is fresh-keeping play the role of it is vital.Differential pressure precooling is one of common forecooling method, it is led to using air as cooling medium
Overpressure difference blower exhausting is poor in pre-cooling fresh agricultural products packing case two sides generation certain pressure, is formed directly into cold air cooled
In the packing case of object, the precooling speed of fresh agricultural products is accelerated in forced-convection heat transfer, to make fresh agricultural products by pre- rapidly
Cold method.This method cooling velocity is fast, lowering temperature uniform and strong applicability, especially suitable for veterinary antibiotics, flowers, mushroom
With the fresh agricultural products such as herding milk.
At source the edge of a field profession precooling facility is deficient for the fresh agricultural products such as Chinese fruits and vegetables, only seldom preserving fruit and vegetable utilizing library；
Country's fresh agricultural products pre-cooling at present, 99% share is carried out in common freezer, and precooling speed is slow, the time is long, energy consumption is high,
And most of freezers, far from field, pre-cooling operation is very inconvenient, this also leads to fresh agricultural products especially pre-cooling
Not in time, quality substantially reduces.
Freezer pre-cooling or differential pressure precooling operation after, the fresh agricultural products such as fruits and vegetables can not transport immediately neighbouring freezer and
Movable refrigeration house is temporarily store, or transports consumption destination by Refrigerated Transport equipment immediately.Original mobile differential pressure precooling equipment by
In only considering fast precooling link, the refrigerating capacity of refrigeration system is very strong, temporarily stores after pre-cooling, it is also necessary to continue to operate
Big refrigeration unit maintains temperature, and low load with strong power causes to equip excessive use, and energy consumption is excessive, while also influencing the quality of fruits and vegetables.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide one kind to have the function of that mobile and differential pressure precooling and cold storage function can
Disguise standby and its application method with the mobile differential pressure precooling and refrigeration all-in-one of automatic mutually translative mode.
To achieve the above object, the present invention takes following technical scheme:
In a first aspect, the present invention provides a kind of mobile differential pressure precooling and refrigeration all-in-one makeup is standby, which includes:
Moving containers carriage body, for putting fresh agricultural products；
Frequency changing refrigeration system, the frequency changing refrigeration system quantity are at least two sets, and the frequency changing refrigeration system is mounted on institute
Moving containers carriage body rear end is stated for providing cooling capacity for the carriage body；
Air-cooler, the air-cooler are fixed at the moving containers carriage body inner top, for making the mobile collection
The cooling capacity progress heat exchange that the fresh agricultural products of carriage body of casing are generated with frequency changing refrigeration system；
Pressure difference ventilation device, the pressure difference ventilation device quantity are at least three sets, the pressure difference ventilation device fixed setting
In the moving containers carriage body, pressure difference blower exhausting extracts fresh agricultural products heat out of packing case out, hot wind and change
The cold air that frequency refrigeration system generates comes into full contact with exchange come the pre-cooling that cools down；
Intelligent automatic control system, the intelligent automatic control system control the frequency changing refrigeration system, air-cooler, pressure difference
Ventilation device is monitored and is controlled to the moving containers carriage body environment so that the moving containers carriage body is in pre-cooling function
It can be with cold storage function intelligence automatic conversion.
Above-mentioned movable type differential pressure precooling is disguised standby with refrigeration all-in-one, it is preferable that the equipment also has electric rolling mechanism, institute
Electric rolling is stated to be fixed at the pressure difference ventilation device short transverse and place pre-cooling fresh agricultural products side, it is described electronic
Structure of rolling includes electric reel, tarpaulin and control button, and the electric reel is driven by motor, and the tarpaulin is arranged in institute
It states for covering the fresh agricultural products on electric reel, the control button connects the intelligent automatic control system, is used for
The motor is controlled so that the tarpaulin is unfolded or packs up with the driving of the motor.
Above-mentioned movable type differential pressure precooling is disguised standby with refrigeration all-in-one, it is preferable that among each pressure difference ventilation device
It is provided with return air channel, the fresh agricultural products are placed on the return air channel two sides, are provided at the top of the pressure difference ventilation device
Axial flow blower, the axial flow blower exhausting make fresh agricultural products heat extracted out out of packing case generation hot wind and the refrigeration
The cold air that system generates comes into full contact with cold and hot exchange cooling is pre-chilled.
Above-mentioned movable type differential pressure precooling is disguised standby with refrigeration all-in-one, it is preferable that also sets up in the moving containers carriage body
There are Temperature Humidity Sensor and pin type temperature sensor, pressure difference is arranged in the moving containers carriage body in the Temperature Humidity Sensor
For monitoring pre-cooling ambient temperature and humidity on the inside of ventilation device suction opening, the pin type temperature sensor is arranged in the fresh agricultural production
Inside product, for monitoring fresh agricultural products internal temperature, wherein the Temperature Humidity Sensor and pin type temperature sensor are electrically connected
The intelligent automatic control system is connect, the intelligent automatic control system passes through the Temperature Humidity Sensor and pin type temperature sensing
Device is monitored and adjusts to the intracorporal temperature in the moving containers compartment, humidity and fresh agricultural products internal environment.
Above-mentioned movable type differential pressure precooling is disguised standby with refrigeration all-in-one, it is preferable that also sets up in the moving containers carriage body
There is GPS positioning system, it can be achieved that interconnecting with exterior terminal communication product, it is remotely fixed to carry out to the fresh agricultural products of pre-cooling and refrigeration
Position, information are collected.
Above-mentioned movable type differential pressure precooling is disguised standby with refrigeration all-in-one, it is preferable that the moving containers carriage body uses standard
20 forty equivalent unit 40s, having a size of 6058mm × 2438mm × 2590mm；Or the moving containers carriage body uses 40 feet of standard
Container, having a size of 12192mm × 2438mm × 2896mm；Or the moving containers carriage body uses 45 feet of packagings of standard
Case, having a size of 13716mm × 2438mm × 2896mm.
Above-mentioned movable type differential pressure precooling is disguised standby with refrigeration all-in-one, it is preferable that when the moving containers carriage body is using mark
Quasi- 20 forty equivalent unit 40s, then being horizontally arranged at interval in the library has three sets of pressure difference ventilation devices, and three sets of pressure differences are logical
Wind apparatus equidistant arrangement in the library.
Above-mentioned movable type differential pressure precooling is disguised standby with refrigeration all-in-one, it is preferable that when the moving containers carriage body is using mark
Quasi- 40 forty equivalent unit 40s, then being horizontally arranged at interval in the moving containers carriage body has six sets of pressure difference ventilation devices, and six sets
Pressure difference ventilation device equidistant arrangement in the moving containers carriage body.
Second aspect, the present invention also provides a kind of mobile differential pressure precoolings and refrigeration all-in-one to disguise standby application method, has
Body process includes:
A the stage) is pre-chilled:
Fresh agricultural products to be pre-chilled are packed into standard pack case, standard pack case is piled up on Standard pallet, by standard
Pallet is placed in the return air channel two sides of each pressure difference ventilation device, covers tarpaulin, start all pressure difference ventilation devices, compressor,
The frequency changing refrigeration systems such as air-cooler, are at working condition, and intelligent automatic control system provides control according to product category information
Parameter informations, the frequency changing refrigeration systems such as temperature processed, humidity, wind speed freeze, and the pressure difference that pressure difference ventilation device generates will wrap
Hot-air extraction in vanning, is then sucked by air-cooler, carries out cold and hot exchange；Wherein, intelligent automatic control system is according to production
The detailed process that the frequency changing refrigeration systems such as kind class control compressor, air-cooler freeze to moving containers carriage body are as follows:
For non-cold quick property fruit and vegetable food, refrigeration unit running at full capacity is until fresh agricultural products precooling temperature reaches pre-
Cold target temperature 1/2 when, i.e., when pre-coo time reaches the 1/2 of total pre-coo time, intelligent automatic control system to two sets freeze
System carries out frequency control respectively, its compressor horsepower is made to become smaller, and supply air temperature is constant, and the unloading of air-cooler power becomes smaller, and blows
Speed lowers, and when fresh agricultural products pre-coo time reaches 7/8 time of total pre-coo time, fresh agricultural products have basically reached pre-
Cold target temperature, pre-cooling terminate；
For cold quick property fruit and vegetable food, two sets of refrigeration system runnings at full capacity are directly pre-chilled in intelligent automatic control system
To corresponding pre-cooling target temperature, pre-cooling terminates.
B the stage) is refrigerated:
After the non-cold quick property fruit and vegetable food of pre-cooling reaches pre-cooling target temperature, intelligent automatic control system is closed whole
Pressure difference ventilation device stops a set of frequency changing refrigeration system work, keeps the work of other set frequency changing refrigeration system, the automatic control of intelligence
The demand of cooling capacity carries out automatic frequency-conversion control to frequency changing refrigeration system when system processed is refrigerated according to fresh agricultural products, keeps compartment intracorporal
Refrigerating capacity reduces, and pre-cooling mode is converted to refrigeration mode；Since the compressor in refrigeration system has frequency conversion function, compressor work
Rate reduces, and supply air temperature is constant, and intelligence control system control air-cooler power accordingly reduces, and air supply velocity reduces, the life of refrigeration
Fresh agricultural product temperature is gradually reduced, and when chilled products temperature is to be up to fresh-keeping required 0 DEG C of temperature, selects compressor and cold
The best power of blower is run, and refrigerating capacity and air supply velocity maintain lower bound, is maintained fruit and vegetable preservation product temperature, is not continued to drop
Temperature damages to plants caused by sudden drop in temperature the generation of fresh fruit and vegetable food and freeze injury to reach, and can reduce energy consumption and reach energy-efficient purpose；
After the cold quick property fruit and vegetable food of pre-cooling reaches pre-cooling target temperature, intelligent automatic control system closes whole pressures
Poor ventilation device stops a set of refrigeration system work, keeps the work of other set frequency changing refrigeration system, intelligent automatic control system
The demand of cooling capacity carries out automatic frequency-conversion control to frequency changing refrigeration system when being refrigerated according to fresh agricultural products, controls frequency changing refrigeration system
Refrigerating capacity reduce, maintain fresh agricultural products cold storing and fresh-keeping it is temperature-resistant.
The invention adopts the above technical scheme, which has the following advantages: the present invention passes through intelligent automatic control system
The control of frequency changing refrigeration system and pressure difference ventilation device is realized mobile differential pressure precooling equipment pre-cooling function and cold storage function it
Between conversion, the carrying after pre-cooling to freezer and mobile refrigerating library is eliminated, so that the postharvest handling process of fruits and vegetables is more
Increase effect, energy conservation, also ensure the quality of fruits and vegetables, overall structure is simple, be pre-chilled and cold storage effect is good, can be widely applied to fruit
In the application of the Cold Chain Circulations such as the pre-cooling and refrigeration of the fresh agricultural products such as vegetable, flowers, mushroom and herding milk.
Detailed description of the invention
The moving containers carriage body sectional view that Fig. 1 is 20 feet of the embodiment of the present invention；
The moving containers carriage body sectional view that Fig. 2 is 40 feet of the embodiment of the present invention；
Appended drawing reference in figure are as follows: 1, moving containers carriage body；2, refrigeration system；21, compressor；22, condenser；23, it does
Dry filter；24, throttling set；3, air-cooler；4, pressure difference ventilation device；41, return air channel；5, intelligent automatic control system.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment 1:
As shown in Figure 1 and Figure 2, mobile differential pressure precooling provided by the invention is disguised standby with refrigeration all-in-one, including mobile packaging
Case carriage body 1, refrigeration system 2, air-cooler 3, pressure difference ventilation device 4 and intelligent automatic control system 5.
Moving containers carriage body 1 is for putting the fresh agricultural products such as fruits and vegetables, the moving containers compartment used in the present embodiment
Body 1 be TEU (Twenty-foot Equivalent Unit), moving containers carriage body 1 can use 20 feet, specific size be 6058mm × 2438mm ×
2590mm, moving containers carriage body 1 can use 40 feet, and specific size is 12192mm × 2438mm × 2896mm, mobile collection
Carriage body 1 of casing can also use 45 feet, and specific size is 13716mm × 2438mm × 2896mm, the mobile collection of the present embodiment
Vanning carriage body 1 is illustrated for 20 feet, without being limited thereto, can be selected according to actual needs carriage body size.
1 rear end of moving containers carriage body is equipped with two sets of refrigeration systems 2, cold for providing for moving containers carriage body 1
Amount, two sets of refrigeration systems of the invention share a set of control system and control respectively, and refrigeration system 2 can be using frequency conversion refrigeration system
System, every suit refrigeration system are arranged in the machinery compartment in container carriage body 1, every suit refrigeration unit being arranged in machinery compartment with
Air-cooler is connected in cabinet, and compressor 21, condenser 22, device for drying and filtering 23 and throttling are provided in every suit refrigeration unit
Device 24, frequency changing refrigeration system are the prior art, and this will not be repeated here.
1 inner top of moving containers carriage body is provided with two air-coolers 3, and the outlet end of air-cooler 3 is connected by return-air duct
Connect compressor 21, intelligent automatic control system 5 is connected with two compressors 21, each compressor 21 pass sequentially through condenser 22,
Device for drying and filtering 23 and throttling set 24 enter moving containers carriage body 1 by connecting pipe.
Being horizontally arranged at interval in moving containers carriage body 1 has three sets of pressure difference ventilation devices 4, and three sets of pressure difference ventilation devices 4 are equal
Electric rolling mechanism is installed, electric rolling mechanism, which is fixed at 4 short transverse of pressure difference ventilation device and is located at, places pre-cooling
Top part among fresh agricultural products side, electric rolling mechanism include electric reel, tarpaulin and control button, and electric reel is logical
Motor drive is crossed, tarpaulin is arranged on electric reel for covering the fresh agricultural products such as fruits and vegetables.The inner wall of moving containers carriage body 1
On be additionally provided with control button, control button connects intelligent automatic control system 5, for controlling motor so that tarpaulin is with electricity
The driving of machine and be unfolded or pack up.In addition, corresponding to the air return air channel 41 of pressure difference ventilation device 4, pressure difference ventilation device 4
Top is provided with axial flow blower.Simultaneously three sets of pressure difference ventilation devices 4 can in moving containers carriage body 1 equidistant arrangement, pressure difference
The quantity of ventilation device 4 is without being limited thereto, can carry out matching setting according to the size of moving containers carriage body 1, as shown in Fig. 2,
Can be horizontally arranged at interval in 40 feet of moving containers carriage bodies 1 has six sets of pressure difference ventilation devices 10.
Temperature Humidity Sensor and pin type temperature sensor are additionally provided in moving containers carriage body 1, wherein temperature and humidity sensing
Device is arranged on the inside of 4 suction opening of pressure difference ventilation device for monitoring pre-cooling ambient temperature and humidity and the flank wall top by door side,
Pin type temperature sensor is arranged inside the fresh agricultural products, for monitoring fresh agricultural products internal temperature.
Intelligent automatic control system 5 is by Temperature Humidity Sensor and pin type temperature sensor in moving containers carriage body 1
Temperature is remotely monitored, and intelligent automatic control system 5, which carries out control according to operating mode of the refrigeration demand to refrigeration system 2, to be made
Moving containers carriage body 1 carry out pre-cooling function and refrigeration between conversion, intelligent automatic control system 5 can also to refrigeration system
System 2 carries out frequency control and realizes accurate temperature control, while intelligent automatic control system 5 also controls the work of air-cooler 3 and Differential Pressure Unit 4
Make.
Above-mentioned movable type fruits and vegetables differential pressure precooling is disguised standby with refrigeration all-in-one, it is preferable that among each pressure difference ventilation device 4
It is provided with return air channel 41, the fresh agricultural products such as fruits and vegetables can be piled up in 41 two sides of return air channel, convenient for fresh agricultural productions such as fruits and vegetables
Product can be contacted sufficiently with cold air.
Above-mentioned movable type fruits and vegetables differential pressure precooling is disguised standby with refrigeration all-in-one, it is preferable that also sets up in moving containers carriage body 1
There is GPS positioning system, it can be achieved that interconnecting with terminal calleds products such as mobile phone, computers, to fresh agricultures such as the fruits and vegetables of pre-cooling and refrigeration
Product is remotely located, information is collected.
Above-mentioned movable type fruits and vegetables differential pressure precooling is disguised standby with refrigeration all-in-one, it is preferable that intelligent automatic control system 5 can adopt
With PLC or embedded Control device, realizes to the Collaborative Control of the devices such as refrigeration system, pressure difference ventilation device, can choose
Meet the various model PLC or embedded Control device of signal interaction function, it is not limited here.
Embodiment 2:
The present invention also provides mobile fruits and vegetables differential pressure precoolings and refrigeration all-in-one to disguise standby application method, detailed process are as follows:
S1: the pre-cooling stage:
Fresh agricultural products to be pre-chilled are packed into standard pack case, standard pack case is piled up on Standard pallet, by standard
Pallet is placed in the two sides of the return air channel 41 of each pressure difference ventilation device 4, covers tarpaulin, starts all pressure difference ventilation devices 4, pressure
Contracting machine 21 and air-cooler 3, are at working condition, and intelligent automatic control system 5 provides control temperature according to product category information
The parameter informations such as degree, humidity, wind speed, frequency changing refrigeration system freeze, and the pressure difference that pressure difference ventilation device 4 generates is by packing case
Interior hot-air extraction, is then sucked by air-cooler 3, carries out cold and hot exchange；Wherein, intelligent automatic control system 5 is according to product
The detailed process that the frequency changing refrigeration systems such as type control compressor 21, air-cooler 3 freeze to moving containers carriage body 1 are as follows:
For non-cold quick property fruit and vegetable food (0 DEG C of refrigerated storage temperature, such as strawberry, bile ingredients), refrigeration unit is transported at full capacity
Turn until that is, pre-coo time reaches total pre-coo time when fresh agricultural products precooling temperature reaches the 1/2 of pre-cooling target temperature
When 1/2, intelligent automatic control system 5 carries out frequency control to two frequency changing refrigeration systems respectively, so that its compressor horsepower is become smaller, send
Air temperature is constant, and the unloading of air-cooler power becomes smaller, and air supply velocity lowers, when fresh agricultural products pre-coo time reaches total pre-coo time
7/8 time when, fresh agricultural products have basically reached pre-cooling target temperature, and pre-cooling terminates；
For cold quick property fruit and vegetable food, general refrigerated storage temperature is at 7~15 DEG C, such as 13 DEG C of mango, 12~13 DEG C of cucumber, and intelligence
Energy automatic control system 5, which control to two frequency changing refrigeration systems, is directly pre-chilled to corresponding pre-cooling target temperature；
To sum up, fresh agricultural products precooling speed may make to greatly improve by this forecooling method, the time required to reducing pre-cooling,
And reduce energy consumption.
B the stage) is refrigerated:
After the non-cold quick property fruit and vegetable food of pre-cooling reaches pre-cooling target temperature, intelligent automatic control system 5 closes whole
Pressure difference ventilation device 4, stop a set of refrigeration system 2 and work, keep other set refrigeration system 2 to work, intelligent automatic control
Refrigeration requirement carries out automatic frequency-conversion to frequency changing refrigeration system 2 when system 5 is refrigerated according to fresh agricultural products, makes the system of refrigeration system 2
Cooling capacity reduces, and pre-cooling mode is converted to refrigeration mode.Since in refrigeration system 2 compressor 21 has frequency conversion function, compressor
21 power reduce, and supply air temperature is constant, and air-cooler 3 controls its power by intelligent automatic control system 5 and accordingly reduces, air-supply speed
Degree reduces, and the fresh agricultural products temperature of refrigeration is gradually reduced, when chilled products temperature is to be up to fresh-keeping required 0 DEG C of temperature
When, the operation of the best power of compressor 21 and air-cooler 3 is selected, refrigerating capacity and air supply velocity maintain lower bound, maintain fresh-keeping fruit
It 0 DEG C of vegetable product temperature, does not continue to cool down, damages to plants caused by sudden drop in temperature the generation of fresh fruit and vegetable food and freeze injury to reach, and energy consumption can be reduced
Reach energy-efficient purpose.
After the cold quick property fruit and vegetable food of pre-cooling reaches pre-cooling target temperature, intelligent automatic control system 5 is closed whole
Pressure difference ventilation device 4 stops a set of refrigeration system 2 and works, other set frequency changing refrigeration system 2 is kept to work, the automatic control of intelligence
The demand of cooling capacity carries out automatic frequency-conversion control, control refrigeration to frequency changing refrigeration system 2 when system 5 processed is refrigerated according to fresh agricultural products
The refrigerating capacity of system 2 reduces, and maintains fresh agricultural products temperature-resistant, such as 13 DEG C of mango, 12~13 DEG C of cucumber.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out change and modification appropriate.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification
In use some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (9)
1. a kind of movable type differential pressure precooling and refrigeration all-in-one makeup are standby, which is characterized in that the equipment includes:
Moving containers carriage body, for putting fresh agricultural products；
Frequency changing refrigeration system, the frequency changing refrigeration system quantity are at least two sets, and the frequency changing refrigeration system is mounted on the shifting
Dynamic container carriage body rear end is used to provide cooling capacity for the moving containers carriage body；
Air-cooler, the air-cooler is fixed at the moving containers carriage body inner top, for making the moving containers
The cooling capacity that the fresh agricultural products of carriage body and the frequency changing refrigeration system generate carries out heat exchange；
Pressure difference ventilation device, the pressure difference ventilation device quantity are at least three sets, and the pressure difference ventilation device is fixed at institute
It states in moving containers carriage body, the pressure difference ventilation device extracts fresh agricultural products heat out, and hot wind and the frequency conversion are freezed
The cold air that system generates comes into full contact with exchange come the pre-cooling that cools down；
Intelligent automatic control system, it is logical that the intelligent automatic control system controls the frequency changing refrigeration system, air-cooler and pressure difference
Wind apparatus carries out temperature control to the carriage body and the moving containers carriage body is converted between pre-cooling function and refrigeration.
2. movable type differential pressure precooling according to claim 1 is disguised standby with refrigeration all-in-one, which is characterized in that the equipment also wraps
Electric rolling mechanism is included, the electric rolling, which is fixed at the pressure difference ventilation device short transverse and places, is pre-chilled fresh agriculture
Product side, the electric rolling mechanism include electric reel, tarpaulin and control button, and the electric reel passes through motor band
Dynamic, the tarpaulin is arranged on the electric reel for covering the fresh agricultural products, and the control button connects the intelligence
Energy automatic control system, for controlling the motor so that the tarpaulin is unfolded or packs up with the driving of the motor.
3. movable type differential pressure precooling according to claim 1 is disguised standby with refrigeration all-in-one, which is characterized in that each pressure
Return air channel is provided among poor ventilation device, the fresh agricultural products are placed on the return air channel two sides, and the pressure difference is logical
It is provided with axial flow blower at the top of wind apparatus, the axial flow blower exhausting extracts fresh agricultural products heat out of packing case out, heat
Wind comes into full contact with the cold air that the refrigeration system generates and exchanges.
4. movable type differential pressure precooling according to claim 1 is disguised standby with refrigeration all-in-one, which is characterized in that the mobile collection
Temperature Humidity Sensor and pin type temperature sensor are additionally provided in vanning carriage body, the Temperature Humidity Sensor is arranged in the movement
For monitoring pre-cooling ambient temperature and humidity on the inside of pressure difference ventilation device suction opening in container carriage body, the pin type temperature sensor is set
It sets inside the fresh agricultural products, for monitoring fresh agricultural products internal temperature, wherein the Temperature Humidity Sensor and pin type
Temperature sensor is electrically connected the intelligent automatic control system, and the intelligent automatic control system passes through the temperature and humidity sensing
Device and pin type temperature sensor carry out the intracorporal temperature in the moving containers compartment, humidity and fresh agricultural products internal environment
Monitoring and adjusting.
5. movable type differential pressure precooling according to claim 1 is disguised standby with refrigeration all-in-one, which is characterized in that the mobile collection
GPS positioning system is additionally provided in vanning carriage body, it can be achieved that interconnecting with exterior terminal communication product, pre-cooling and refrigeration is carried out remote
Cheng Dingwei, information are collected.
6. described in any item mobile differential pressure precoolings are disguised standby with refrigeration all-in-one according to claim 1~5, which is characterized in that
The moving containers carriage body uses 20 forty equivalent unit 40 of standard, having a size of 6058mm × 2438mm × 2590mm；Or the shifting
Dynamic container carriage body uses 40 forty equivalent unit 40 of standard, having a size of 12192mm × 2438mm × 2896mm；Or the mobile packaging
Case carriage body uses 45 forty equivalent unit 40 of standard, having a size of 13716mm × 2438mm × 2896mm.
7. movable type differential pressure precooling according to claim 6 is disguised standby with refrigeration all-in-one, which is characterized in that when the movement
Container carriage body uses 20 forty equivalent unit 40s, then being horizontally arranged at interval in the carriage body has three sets of pressure difference ventilation devices, and three
Cover pressure difference ventilation device equidistant arrangement in the carriage body.
8. movable type differential pressure precooling according to claim 6 is disguised standby with refrigeration all-in-one, which is characterized in that when the movement
Container carriage body uses 40 forty equivalent unit 40s, then being horizontally arranged at interval in the carriage body has six sets of pressure difference ventilation devices, and six
Cover pressure difference ventilation device equidistant arrangement in the carriage body.
9. a kind of movable type differential pressure precooling and refrigeration all-in-one disguise standby application method, it is characterised in that detailed process are as follows:
A the stage) is pre-chilled:
Fresh agricultural products to be pre-chilled are packed into standard pack case, standard pack case is piled up on Standard pallet, by Standard pallet
The return air channel two sides of each pressure difference ventilation device are placed in, tarpaulin is covered, start all pressure difference ventilation devices and frequency conversion refrigeration system
System, is at working condition, intelligent automatic control system provides control parameter information, frequency conversion system according to product category information
Cooling system freezes, and the pressure difference that pressure difference ventilation device generates extracts the hot-air in packing case out, is then inhaled by air-cooler
Enter, carries out cold and hot exchange；Wherein, intelligent automatic control system controls frequency changing refrigeration system according to product category and carries out in advance to carriage body
Cold detailed process are as follows:
For non-cold quick property fruit and vegetable food, refrigeration unit running at full capacity is until fresh agricultural products precooling temperature reaches pre-cooling mesh
When marking the 1/2 of temperature, i.e., when pre-coo time reaches the 1/2 of total pre-coo time, intelligent automatic control system freezes to two sets of frequency conversions
System carries out frequency control respectively, its compressor horsepower is made to become smaller, and supply air temperature is constant, and the unloading of air-cooler power becomes smaller, and blows
Speed lowers, and when fresh agricultural products pre-coo time reaches the 7/8 of total pre-coo time, fresh agricultural products have basically reached pre-cooling mesh
Temperature is marked, pre-cooling terminates；
For cold quick property fruit and vegetable food, two sets of frequency changing refrigeration system runnings at full capacity are directly pre-chilled in intelligent automatic control system
To corresponding pre-cooling target temperature, pre-cooling terminates；
B the stage) is refrigerated:
After the non-cold quick property fruit and vegetable food of pre-cooling reaches pre-cooling target temperature, intelligent automatic control system closes whole pressure differences
Ventilation device stops a set of frequency changing refrigeration system work, keeps the work of other set frequency changing refrigeration system, intelligent automatic control system
The demand of cooling capacity carries out automatic frequency-conversion control to frequency changing refrigeration system when system is refrigerated according to fresh agricultural products, makes moving containers compartment
Intracorporal refrigerating capacity reduces, and pre-cooling mode is converted to refrigeration mode, and intelligent automatic control system controls refrigeration unit and air-cooler
Power accordingly reduces, and air supply velocity reduces, when chilled products temperature is to be up to fresh-keeping required 0 DEG C of temperature, selection compression
The operation of the best power of machine and air-cooler, refrigerating capacity and air supply velocity maintain lower bound, maintain 0 DEG C of fruit and vegetable preservation product temperature,
It does not continue to cool down；
After the cold quick property fruit and vegetable food of pre-cooling reaches pre-cooling target temperature, it is logical that intelligent automatic control system closes whole pressure differences
Wind apparatus stops a set of frequency changing refrigeration system work, keeps the work of other set frequency changing refrigeration system, intelligent automatic control system
The demand of cooling capacity carries out automatic frequency-conversion control to frequency changing refrigeration system when being refrigerated according to fresh agricultural products, controls frequency changing refrigeration system
Refrigerating capacity reduce, maintain fresh agricultural products cold storing and fresh-keeping it is temperature-resistant.
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| CN110762932A (en) * | 2019-11-14 | 2020-02-07 | 北京市京科伦冷冻设备有限公司 | Three-dimensional cold storage precooling apparatus |
| CN111248254A (en) * | 2020-03-25 | 2020-06-09 | 上海理工大学 | Mobile fruit and vegetable batch precooling device and method |
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| CN115624059A (en) * | 2022-10-24 | 2023-01-20 | 浙江精工制冷科技有限公司 | Intelligent control agricultural product cold storage and fresh-keeping warehouse and fresh-keeping method thereof |
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| CN115307382A (en) * | 2022-09-16 | 2022-11-08 | 深圳市普乐特电子有限公司 | Small-size refrigeration house controller and control method |
| CN115307382B (en) * | 2022-09-16 | 2024-02-09 | 深圳市普乐特电子有限公司 | Small-sized refrigeration house controller and control method |
| CN115624059A (en) * | 2022-10-24 | 2023-01-20 | 浙江精工制冷科技有限公司 | Intelligent control agricultural product cold storage and fresh-keeping warehouse and fresh-keeping method thereof |
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