CN208724794U - A kind of fruits and vegetables vertical ventilation differential pressure precooling device - Google Patents

A kind of fruits and vegetables vertical ventilation differential pressure precooling device Download PDF

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Publication number
CN208724794U
CN208724794U CN201820605957.2U CN201820605957U CN208724794U CN 208724794 U CN208724794 U CN 208724794U CN 201820605957 U CN201820605957 U CN 201820605957U CN 208724794 U CN208724794 U CN 208724794U
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CN
China
Prior art keywords
cooling
fruits
turnover box
vegetables
adjustable plate
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Expired - Fee Related
Application number
CN201820605957.2U
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Chinese (zh)
Inventor
申江
贺红霞
朱宗升
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Tianjin University of Commerce
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Tianjin University of Commerce
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Priority to CN201820605957.2U priority Critical patent/CN208724794U/en
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Publication of CN208724794U publication Critical patent/CN208724794U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of fruits and vegetables vertical ventilation differential pressure precooling devices.The utility model includes refrigeration unit module and pre-cooling module;The refrigerating system module is for carrying out cooling processing to the air of pre-cooling inside modules;The pre-cooling module can carry out the pre-cooling operation of fruits and vegetables batch type;By the above-mentioned means, the utility model can be easily mounted on container carrier, transport to field or freezer side carry out pre-cooling work before fruits and vegetables storage, can also carry out mobile precooling in transit.Staggered floor one send the pre- cold air duct of " Z " type, allow cold air perpendicular through the fruits and vegetables in pre-cooling turnover box, improve the pre-cooling uniformity, the problems such as avoiding air-supply short circuit, pre-cooling inefficiency, advantageously reduce the cost of preserving fruit and vegetable utilizing, be conducive to widely promote and apply, be of great practical significance.

Description

A kind of fruits and vegetables vertical ventilation differential pressure precooling device
Technical field
The utility model relates to agricultural product, and field of storage is pre-chilled, more particularly to a kind of fruits and vegetables vertical ventilation differential pressure precooling side Method and device.
Background technique
With the fast development of Chinese national economy, people put forward higher requirements the quality and safety of fruits and vegetables, fruits and vegetables The development degree of Cold Chain Logistics has become the important symbol for measuring all-round well-off society.For a long time, agricultural products in China is in postpartum Loss is serious, and rotten loss rate causes annual economic loss to be up to 100,000,000,000 yuan up to 20~30% in the process of circulation.Pre-cooling can remove Fruit and vegetable picking bring season, heat season effectively reduces the refrigeration duty of refrigerator car, refrigerated carrier etc., realizes refrigeration storing and transporting equipment Energy-saving effect.Pre-cooling can reduce the respiratory intensity of fruits and vegetables simultaneously, inhibit the breeding of microorganism and the release of enzyme, reduce fruits and vegetables Metabolism has important meaning to the holding of quality, value during fruit and vegetable storage and transportation.
Currently, the research for differential pressure precooling device is concentrated mainly on air-supply parameter on the basis of horizontal ventilation and packs shape The exploration of formula.But differential pressure precooling horizontal ventilation haves the defects that one very big, i.e. supply air duct short circuit problem.Due in packing case Extruding when self weight, carrying, vibration and the stacking of product between upper and lower level, the product of conventional packing box top and top cover or on All there are gaps in layer bottom portion, and which forms the bypass passageways in horizontal ventilation precooling process, cause supply air duct short-circuit.
Studies have shown that traditional horizontal ventilation differential pressure precooling will cause by air-flow due to the gap of packing case inner tip Logical, practical only 10%~20% ventilation quantity exchanges heat with product.Therefore, it is raw suitable for fruits and vegetables to design a kind of convenient and efficient The pre-cooler for producing base popularizes postharvest fruit and vegetable pre-cooling in an all-round way for China, and promoting agricultural product cold chain transportation ratio has important meaning Justice.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of fruits and vegetables vertical ventilation differential pressure precooling device, Neng Gouke The problems such as air-supply is short-circuit in the prior art for clothes, it is uneven to be pre-chilled, pre-cooling low efficiency.
In order to solve the above technical problems, the technical solution that the utility model uses is:
A kind of fruits and vegetables vertical ventilation differential pressure precooling device, described device include refrigeration unit module and pre-cooling module; The refrigeration unit module is made of the frequency conversion Condensing units and evaporator being connected, and the evaporator is located at pre-cooling packaging In box body;The frequency conversion Condensing units are located on the outside of pre-cooling container body;The pre-cooling module includes pre-cooling Container body, batch pre-cooling pallet, supply air duct adjustable plate, return airway adjustable plate, pre-cooling turnover box and frequency conversion differential pressure wind Machine, pre-cooling turnover box pile is on pre-cooling pallet, and by pre-cooling seal cap sealing at the top of pre-cooling turnover box, pre-cooling pallet is delivered to pre- In cold container body, supply air duct adjustable plate and return airway adjustable plate are respectively with adjacent pre-cooling container side wall by sending Wind adjustment spring and return air adjustment spring are attached, and supply air duct adjustable plate and return airway adjustable plate are in air-supply adjustment spring It is compressed under the action of return air adjustment spring with pre-cooling turnover box body, the air inlet of the pre-cooling turnover box case inner top is sent Formation supply air duct in gap between wind air duct adjustable plate, the pre-cooling turnover box bottom of box and pre-cooling pallet, the pre-cooling sealing cover, Gap forms return airway between return airway adjustable plate and the pre-cooling turnover box bottom of box inner wall;The pre-cooling turnover Case air inlet and pre-cooling turnover box air outlet staggered floor setting.
Multiple apertures are uniformly provided on the pre-cooling pallet, the installation of pre-cooling tray bottom has locking function idler wheel.
The frequency conversion Condensing units include frequency-changeable compressor, restricting element and condenser;The frequency-changeable compressor Air entry is connected with the import of the outlet of evaporator, condenser respectively with exhaust outlet.
The evaporator can be placed according to actual needs between pre-cooling container body and pre-cooling pallet, or after being placed in differential pressure blower Side.
The refrigeration unit module is for being conveyed to the differential pressure after carrying out cooling processing to air in pre-cooling module The fruits and vegetables in turnover box are pre-chilled.
Air blow and return air duct staggered floor is arranged in the pre-cooling module, so that cold air is perpendicular through in pre-cooling turnover box Fruits and vegetables improve the pre-cooling uniformity, avoid blowing short circuit the problems such as.
The beneficial effects of the utility model are:
1, the fruits and vegetables vertical ventilation differential pressure precooling device forms staggered floor one and send the pre- cold air duct of " Z " type vertical ventilation, can The problems such as overcoming uneven short circuit of blowing in existing precooling technique under differential pressure, pre-cooling, pre-cooling low efficiency.
2, the utility model can independent transport, assembly and disassembly are simple, can be transported by container carrier to field Place of production pre-cooling is carried out, freezer side is may also placed in and carries out storing preceding pre-cooling, or transported from container carrier from the place of production to freezer It is defeated to carry out pre-cooling operation on the way, increase the scope of application;
3, the differential pressure blower of pre-cooling module is located at the front end of evaporator in the utility model, and blower can be made to generate Heat is taken away by evaporator immediately, and supply air temperature can be effectively controlled, and improves precooling effect;
4, user can adjust in real time Refrigerating Compressor with Inverter group 301 according to itself fruits and vegetables yield and pre-cooling payload and (become Frequency compressor) refrigerating capacity size, pre-cooling quality can be effectively improved.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model preferred embodiment;
Fig. 2 is the structural schematic diagram of humidifier in the utility model;
In figure: 1, differential pressure blower;2, supply air duct;3, evaporator;4, pallet supply air duct is pre-chilled;5, container case is pre-chilled Body;6, supply air duct;7, supply air duct adjustment spring;8, supply air duct adjustable plate;9, turnover box air inlet;10, pre-cooling sealing Lid;11, turnover box;12, return airway adjustable plate;13, turnover box air outlet;14, return airway adjustment spring;15, return air wind Road (plenum chamber);16, humidifier.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear Define.
Embodiment 1:
Referring to Fig. 1, a kind of fruits and vegetables vertical ventilation differential pressure precooling device of the utility model, by differential pressure precooling and Cold Chain Logistics Vehicle effectively combines, which can be loaded on container carrier easily and fast, the efficient and convenient carry out place of production Pre-cooling, reduces the cost of preserving fruit and vegetable utilizing.The device includes:
Refrigeration unit module includes frequency conversion Condensing units 301, evaporator 3;The evaporator 3 is located at pre-cooling packaging 5 inside of box body;The frequency conversion Condensing units 301 are located at 5 outside of pre-cooling container body;The refrigeration unit module Power source can in container carrier generator or any one be capable of providing the external power supply of voltage, two kinds are dynamic Power power supply can be by actual conditions free switching;The refrigeration unit module can meet size according to pre-cooling and adjust frequency conversion compression in real time 301 refrigerating capacity size of unit is condensed, pre-cooling cost is effectively reduced, improves pre-cooling quality.
Pre-cooling module, including pre-cooling container body 5, batch pre-cooling pallet 4, supply air duct 6, supply air duct are adjusted Plate 8, return airway adjustable plate 12, pre-cooling turnover box 11, return airway 15, frequency conversion differential pressure blower 1;The batch pre-cooling pallet 4, Supply air duct 6, supply air duct adjustable plate 8, return airway adjustable plate 12, pre-cooling turnover box 11, return airway 15, differential pressure blower 1 It is entirely located in pre-cooling container body 5, week vanning 11 is pre-chilled and is located at batch pre-cooling 6 top of pallet, the supply air duct is adjusted Plate 8, return airway adjustable plate 12 are located at 11 two sides of pre-cooling week vanning, form staggered floor one and send the pre- cold air duct of " Z " type, the steaming Hair device 3 can be placed according to actual needs 4 between pre-cooling container body 5 and pre-cooling pallet, or is placed in front of differential pressure blower 1 (rear);Pre-cooling Turnover box 11 is piled up on demand on pre-cooling pallet 4, and pre-cooling closed cover 10 is covered, and is delivered in pre-cooling container body 5 by fork truck, It is locked that 4 idler wheel of pallet is pre-chilled, supply air duct 6, return airway 15 are in supply air duct adjustment spring 7, return airway adjustment spring 14 And its compress supply air duct adjustable plate 8, return airway adjustable plate 12 and pre-cooling turnover box 11 under attachment effect, formation is sent, is returned Wind air duct, supply air duct adjustment spring 7, return airway adjustment spring 14 are solid steady;Container is pre-chilled in the pre-cooling module Cabinet 5, supply air duct adjustable plate 8, return airway adjustable plate 12 have certain heat insulating ability, and (such as cabinet two sides cover one layer of guarantor Warm plate).
In the present invention, in specific implementation, the fruits and vegetables vertical ventilation differential pressure precooling device can be according to practical pre-cooling Need of work is transported by container carrier, can be carried out place of production pre-cooling in field, can also be moved in transit Dynamic formula pre-cooling.
It should be noted that under the action of differential pressure blower 1, the air and supply air duct of the return airway (plenum chamber) There are pressure differences between air in 6, so that the arrow direction flowing as shown in Figure 1 of the air inside pre-cooling container body 5;System Cold set modules are made of frequency conversion Condensing units 301, evaporator 3, can also be as needed by frequency-changeable compressor, throttling member The main components such as part, condenser and evaporator 3 form, wherein the air entry of the frequency-changeable compressor and exhaust outlet respectively with evaporation The outlet of device 3, the import of condenser are connected;Diversified forms can be used in the restricting element, such as heating power expansion valve, electromagnetic expanding valve And capillary etc..
In the present invention, in specific implementation, multiple apertures are uniformly provided on the batch pre-cooling pallet 4, so as to Enough so that cold air is by batch pre-cooling pallet 4 even into pre-cooling turnover box 11 and supply air duct 6 in the supply air duct 2 In.The batch pre-cooling 4 bottom of pallet has locking function idler wheel, to mobile and fixed pre-cooling pallet.
In the present invention, in specific implementation, to form efficiently " Z " type pre- cold air duct, the turnover box air inlet 9, Air outlet 13 uses staggered floor arrangement form, and wherein user can select the number of plies of staggered floor according to actual needs.
Embodiment 2:
As shown in Fig. 2, in order to carry out the guarantor of further humidification process enhancing fruits and vegetables to the air in pre-cooling container body 5 Fresh effect, user can install humidification system 16 additional on that basis of example 1 according to actual needs, device working principle with embodiment 1, Humidification system 16 is made of humidification pipeline, humidifier and humidifying spraying nozzle, and humidifier is connected by humidification pipeline with humidifying spraying nozzle, is had On body is realized, it is proposed that use ultrasonic humidifier.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other related technical areas are also included in the patent protection scope of the utility model.

Claims (3)

1. a kind of fruits and vegetables vertical ventilation differential pressure precooling device, which is characterized in that described device includes refrigeration unit module and fruits and vegetables Module is pre-chilled;The refrigeration unit module is made of the frequency conversion Condensing units and evaporator being connected, the evaporator position In in pre-cooling container body;The frequency conversion Condensing units are located on the outside of pre-cooling container body;The pre-cooling mould Block include pre-cooling container body, batch pre-cooling pallet, supply air duct adjustable plate, return airway adjustable plate, pre-cooling turnover box and Frequency conversion differential pressure blower, pre-cooling turnover box pile is on pre-cooling pallet, by pre-cooling seal cap sealing, pre-cooling support at the top of pre-cooling turnover box Disk is delivered in pre-cooling container body, supply air duct adjustable plate and return airway adjustable plate respectively with adjacent pre-cooling container Side wall is attached by air-supply adjustment spring and return air adjustment spring, and supply air duct adjustable plate and return airway adjustable plate are being sent It is compressed under the action of wind adjustment spring and return air adjustment spring with pre-cooling turnover box body, the pre-cooling turnover box case inner top Gap forms supply air duct between air inlet, supply air duct adjustable plate, the pre-cooling turnover box bottom of box and pre-cooling pallet, described pre- Gap forms return airway between cold sealing cover, return airway adjustable plate and the pre-cooling turnover box bottom of box inner wall;It is described Turnover box air inlet and pre-cooling turnover box air outlet staggered floor setting is pre-chilled.
2. fruits and vegetables vertical ventilation differential pressure precooling device according to claim 1, it is characterised in that: on the pre-cooling pallet Even to be provided with multiple apertures, the installation of pre-cooling tray bottom has locking function idler wheel.
3. fruits and vegetables vertical ventilation differential pressure precooling device according to claim 1, which is characterized in that the frequency conversion compression condensation Unit includes frequency-changeable compressor, restricting element and condenser;The air entry of the frequency-changeable compressor and exhaust outlet respectively with evaporation The outlet of device, the import of condenser are connected.
CN201820605957.2U 2018-04-26 2018-04-26 A kind of fruits and vegetables vertical ventilation differential pressure precooling device Expired - Fee Related CN208724794U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820605957.2U CN208724794U (en) 2018-04-26 2018-04-26 A kind of fruits and vegetables vertical ventilation differential pressure precooling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820605957.2U CN208724794U (en) 2018-04-26 2018-04-26 A kind of fruits and vegetables vertical ventilation differential pressure precooling device

Publications (1)

Publication Number Publication Date
CN208724794U true CN208724794U (en) 2019-04-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108391721A (en) * 2018-04-26 2018-08-14 天津商业大学 A kind of fruits and vegetables vertical ventilation differential pressure precooling device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108391721A (en) * 2018-04-26 2018-08-14 天津商业大学 A kind of fruits and vegetables vertical ventilation differential pressure precooling device
CN108391721B (en) * 2018-04-26 2024-01-30 天津商业大学 Vertical ventilation differential pressure precooling device for fruits and vegetables

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190412

CF01 Termination of patent right due to non-payment of annual fee