CN201191120Y

CN201191120Y - Moveable controlled atmosphere cold storage

Info

Publication number: CN201191120Y
Application number: CNU2008200342418U
Authority: CN
Inventors: 吴齐
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-21
Filing date: 2008-04-21
Publication date: 2009-02-04
Anticipated expiration: 2018-04-21

Abstract

The utility model relates to a movable air control refrigerator for storing and keeping vegetables and fruits fresh, wherein the refrigerator is the shape of a standard international container of 20 feet or 40 feet, and is divided into an equipment room and a storage room which are connected integrally via a refrigerator frame, the equipment room and the storage room are separated from each other, the separation plane is provided with a working pipe connecting hole, the equipment room is provided with an air division system, a refrigerating system and a control cabinet, the storage room is provided with a refrigerating evaporator, an ultrasonic humidifier and an ozone disinfection device, the storage room insulates air and heat, which is provided with an indoor-outdoor gas exchanger and a water feeder/discharger. The movable air control refrigerator has the advantages that the movable air control refrigerator can reduce the oxygen density in the storage room, avoid over decrease of oxygen, discharge over carbon dioxide, adjust temperature and humidity, kill pathogenic microorganisms, effectively restrain the respiration of vegetables and fruits, control and resolve the water loss and fungus damage problems, the refrigerator is movable and can be moved to different places for storage, and the refrigerator can be arranged with a fresh keeping power to keep fresh in transportation.

Description

A kind of packaged type gas adjusted cold store

Technical field

The utility model relates to a kind ofly to be killed oxygen concentration, gas concentration lwevel, temperature, humidity and pathogenic microorganism in fruit, the fresh-keeping of vegetables environment, artificially regulate and the automatic gas adjusted cold store of mechanical, electrical, the gas integral of control, especially relate to a kind of gas adjusted cold store, belong to agricultural products fresh-keeping technology of storage and transport equipment field with whole mobility.

Background technology

The traditional approach of agricultural products fresh-keeping storing is to carry out fresh-retaining preserving and fresh-keeping transportation with high temperature freezer and refrigerator car, singlely by reducing the respiration that temperature in the fresh-keeping environment suppresses fruits and vegetables, prolongation fruits and vegetables lifetime.Its defective is as follows:

1, the fresh-retaining preserving of fruits and vegetables and fresh-keeping transportation are respectively independently technical equipment, lack applicability flexibly in the practicality, and freezer can only use in fixing local storage, and refrigerator car only is suitable for fresh-keeping transportation, can not satisfy the new needs of contemporary preserving fruit and vegetable utilizing storing.

2, the fruits and vegetables in the fresh-retaining preserving are transferred to refrigerator car or are transferred to the cargo handling process of freezer from refrigerator car from freezer, need take measures to keep the continuity of preserving fruit and vegetable utilizing state procedure separately, otherwise fresh-keeping effect can be a greater impact.

3, the fruits and vegetables breathing is the oxygen in the absorbing environmental, emits carbon dioxide in the body, and cold storing and fresh-keeping only is to suppress the fruits and vegetables breathing by reducing temperature, and regulates and control not influence another key factor---the concentration of gas medium composition in the fresh-keeping environment of fruits and vegetables breathing.

4, freezer and the refrigerator car that uses now generally do not have damping device and sterilizing unit in the condition control of fresh-keeping environment, make the water loss problem and the fungus damage problem that can't solve fruits and vegetables in the fresh-keeping transporting procedures effectively.

Because above defective, the fresh-keeping technology of storage and transport of traditional cold storage mode are equipped in the practicality, on the function and on the fresh-keeping timeliness, bigger limitation are arranged.

Summary of the invention

The purpose of this utility model is to overcome the defective of above-mentioned existence, a kind of packaged type controlled atmosphere cold storage fresh-keeping warehouse is proposed, and functions such as controlled atmosphere, refrigeration, humidification, sterilization are organically combined, the efficient respiration that suppresses fruits and vegetables, delay its tissue metabolism, water loss problem and fungus damage problem in control and the solution fruit vegetables storing, reduce fresh-keeping loss late and fresh-keeping operation energy consumption, keeping the fruits and vegetables quality, sampling under the constant substantially situation and realize long-period freshness preserving.Simultaneously, the utility model is considered the little user's in market demand, storehouse body miniaturization, 4～10 tons of small lot fruits and vegetables of preservation and freshness are economic and practical, can move to the different location neatly in actual the use and be used for fixing preservation and freshness, can also plug-in small power generation unit be one, thereby overcome the various defectives that traditional cold storing and fresh-keeping mode exists more all sidedly, satisfy the new needs of contemporary preserving fruit and vegetable utilizing storing fruit and vegetable fresh preservation and fresh-keeping transportation collection.

Technical solution of the present utility model:

(1) the storehouse body comprises equipment room and storage bay, and equipment room is equipped with space division system, refrigeration system and switch board, and the core of control system is contained in the switch board; Storage bay is equipped with evaporimeter, ultrasonic wave damping device, ozone sterilization device, inside and outside gas exchange device, the water feeding and draining device of refrigeration system, and the transfer layer and the reflux layer of gas, cold wind, water smoke flow circuit.

(2) fresh-keeping work is in service, and space division system and inside and outside gas exchange device are used for reducing oxygen concentration, and prevents that oxygen is very few and get rid of too much carbon dioxide; Refrigeration system is used for regulating temperature; The ultrasonic wave damping device is used to provide humidity; The ozone sterilization device is used for killing pathogenic microorganism; Control system is controlled automatically by parameter preset and program.

(3) appearance and size of storehouse body and structural framing are by 20 feet or 40 feet trans-container standards, and the front portion of storehouse body is as equipment room, and the rear portion of storehouse body is as storage bay, and equipment room accounts for 1/5 or 1/10 of storehouse body volume, and storage bay accounts for 4/5 or 9/10 of storehouse body volume.Equipment room and storage bay are done partition with the trapping insulation material, establish service line and connect the hole on closing surface, establish inside and outside gas exchange device structure, water feeding and draining device structure.

(4) also be the plug-in mounting structure that the small power generation unit is established on the top of storehouse body front end face at the equipment room front end face, the bottom of front end face is ventilative fence gate.The top seal of equipment room, the bottom is open, and two sides are ventilative fence gate.Establish installation frame in the equipment room, space division system, refrigeration system, switch board are installed.

(5) also be that storehouse body rear end face is offered Ku Men at the storage bay rear end face, all end faces of storage bay comprise that Ku Men and closing surface all adopt trapping insulation material structure.Establish installation frame in the storage bay inner end, evaporimeter, ultrasonic humidifier, the ozone generator of refrigeration system is installed.In the storage bay, equipment occupation space is 1/6 or 1/10 of a storage bay, and heap goods takes up room to separating with mobile protective panel in 5/6 or 9/10, two space of storage bay.

(6) establish inside and outside gas exchange device on the top of storage bay inner end closing surface, water feeding and draining device is established in the bottom.As transfer layer, be used as reflux layer and illumination, signal lead between top board and the ceiling between the base plate of storage bay and the floor, floor and ceiling adopt the netted open-end hole plate, and the gas in, cold wind, water smoke all flow from bottom to top.

The beneficial effects of the utility model:

(1) appearance and size of storehouse body and frame structure meet the world, domestic relevant standard of loading transportation, have guaranteed the whole removable of storehouse, can self-supporting fresh-keeping power during plug-in small power generation unit, realize long-distance fresh-keeping transportation.Thereby, not only can be used in fixedly fresh-retaining preserving, can also implement fresh-retaining preserving according to moving to the different location with using the needs safe ready; Both can produce the seedbed fresh-retaining preserving at fruits and vegetables, also can be at the wholesale market of agricultural products fresh-retaining preserving, even enter the on-the-spot center of agricultural product exhibitions.

(2) the control function that will influence oxygen concentration, gas concentration lwevel, temperature, the humidity of preserving fruit and vegetable utilizing and kill pathogenic microorganism organically combines, utilize space division system and inside and outside gas exchange device to reduce concentration of oxygen, and can supply when oxygen is very few, can get rid of during hypercapnia; Utilize refrigeration system that adjustable temperature range is provided; Utilize the ultrasonic wave damping device to carry the water smoke humidification, control fruits and vegetables internal moisture is externally evaporated; Utilize the ozone sterilization device to kill pathogenic microorganism, prevent that fruits and vegetables are subjected to fungus damage.

(3) all end faces of storage bay comprise Ku Men and are the trapping insulation construction with the closing surface of equipment room, make work energy consumption of the present utility model be lower than the work energy consumption of traditional cold storing and fresh-keeping mode relatively; All devices and device fastening all takes damping to install in the storehouse, and soft connection is all taked in the connection between all devices and the device, and the integral body that helps overcoming the storehouse is in moving or jolting and vibration problems of can running in the long-distance fresh-keeping transportation.

(4) control system adopt single-chip microcomputer or PLC be core many inputs, export computer control system more, be suitable for multivariable Control.The controlled atmosphere cold storage relevant parameter of multiple class, many kinds fruits and vegetables and control program writing controller storage chip, control system are killed automatically the oxygen concentration in the storage bay, gas concentration lwevel, temperature, humidity and pathogenic microorganism by parameter of setting and program and are controlled.The guidance panel of system shows every fresh-keeping operating mode and the use menu is arranged, and can check mode of operation, every operating mode in the scene, carries out manually-operated.

(5) control system is set the certain malleation value of gas maintenance in the storage bay, and inside and outside gas exchange device has the overvoltage protection effect, prevents that an internal gas pressure is too high.Simultaneously,, can keep the interior gas of storage bay fresh to a certain extent, prevent very few, the hypercapnia of oxygen by the inside and outside gas exchange of storage bay.

(6) have gate inhibition's security warning, system's autostop when the storage bay door is opened, the gate inhibition warns redness and sends buzzing, and an interior gas effluxes fast.When the gate inhibition warns green and stops buzzing, can advance the people safely.Between in be provided with manual system switch and light switch, the parting system switch sends buzzing, system works operation stops.

(7) system is provided with communication module, and communication interface connects output equipment (as printer, display screen etc.), can make the on-site supervision and the remote monitoring of fresh-keeping operating condition and deposits.Communication module selects to consider wire communication and two kinds of situations of radio communication, uses cable network or CDMA business system, utilizes wire communication platform or radio communication platform to carry out remote monitoring, and the operating mode of fresh-keeping operation is monitored, writes down, analyzes and regulates and control.

Description of drawings

Accompanying drawing 1 is a mounting structure schematic diagram of the present utility model.

Accompanying drawing 2 is control principle schematic diagrames of the present utility model.

In the accompanying drawing 11 is space division system, the 2nd, switch board, the 3rd, equipment room, the 4th, refrigeration system, 5 Evaporimeter, the 6th, sterilizing unit, the 7th, damping device, the 8th, storage bay, the 9th, Ku Men, the 10th carries Layer, the 11st, reflux layer, the 12nd, water feeding and draining device, the 13rd, gas exchange device. Space division system 1 comprises Cooling driers, compressor, gas tank processed; Switch board 2 comprises forceful electric power and light current, and the core of control system is housed Parts; Refrigeration system 4 comprises compressor, condenser, evaporimeter, and evaporimeter is loaded in the storage bay 8. Damping device 7 is used as transfer layer 10, storage bay 8 with water tank between the base plate of storage bay 8 and floor Be used as reflux layer 11 between top board and ceiling. Water feeding and draining device 12 and gas exchange device 13 are positioned at storage Between in the closing surface of equipment room on, related device structure belongs to prior art. Space division system 1 related air Isolation technics, switch board 2 related computer technologies, refrigeration system 4 related Refrigeration Techniques, sterilizing unit 6 related ozone technologies, damping device 7 related ultrasonic technologies all belong to prior art.

In the accompanying drawing 2, default is the parameter-embedded and program of control system; Digitial controller is single-chip microcomputer Or PLC controller; D/A is the digital and analogue signals converter; Execution unit be space division system, refrigeration system, Sterilizing unit, damping device, water feeding and draining device, gas exchange device; Controlled device is oxygen in the storage bay Gas concentration, gas concentration lwevel, temperature, humidity, pressure and pathogenic microorganism are killed, Ku Menmen prohibits Cistern water level with damping device; Measuring cell be oxygen concentration sensor, gas concentration lwevel sensor, Temperature sensor, humidity sensor, and timing point, the water of pressure controlled definite value point, sterilization control The control of case water level and Ku Menmen prohibit the anchor point of control; A/D is the modulus signal converter; Guidance panel is used In artificial execute-in-place; Communication interface is used for connecting remote monitoring.

The specific embodiment

Contrast accompanying drawing 1, its structure is that the appearance and size and the structural framing of storehouse body adopts 20 feet or 40 feet trans-container standards, between the body subset of

storehouse

3 and 8 two parts of storage bay, cut off with the trapping insulation material between two parts, establish service line on the closing surface and connect the hole, be used for the operable communication of space division system, the operable communication of refrigeration system and the connection of control system circuit; The top seal of equipment room 3, the bottom is open, two sides all are made as ventilative fence gate, at front end face also is the plug-in mounting structure that the small power generation unit is established on the top of storehouse body front end face, the bottom of front end face is made as ventilative fence gate, between in establish installation frame, space division system 1, switch board 2, refrigeration system 4 are installed; All end faces of storage bay 8 all adopt trapping insulation material structure, be used as transfer layer 10 between base plate and floor, be used as reflux layer 11 between top board and ceiling, at rear end face also is that the rear end face of storehouse body is established storehouse door 9, establishing inside and outside gas exchange device 13 with the top of equipment room 3 closing surfaces, water feeding and draining device 12 is established in the bottom of closing surface, establishes installation frame in, and evaporimeter 5, sterilizing unit 6, damping device 7 are installed; All devices and Unit Installation all take damping to install, connection between all devices and the device is all taked to be flexible coupling, structure position such as inside and outside gas exchange, plumbing and storage bay are communicated with the position and make leakproof seal with the pipeline of equipment room, Ku Men takes the leakproof seal installation.

Contrast accompanying drawing 2, control principle of the present utility model is: the measured value of controlled device is data signal and compares with default through analog-to-digital conversion, fiducial value input digit controller carries out the data processing and sends data signal again, and data signal instructs each execution unit to enter the corresponding work state after digital-to-analogue conversion.Controlled device oxygen concentration, gas concentration lwevel, temperature, humidity adopt sensor measurement, utilize space division system to reduce oxygen concentration; Utilize gas exchange device when the very few and hypercapnia of oxygen, carry out inside and outside ventilation and come supplemental oxygen and get rid of too much carbon dioxide; Utilize refrigeration system to regulate temperature; Utilize damping device that humidity is provided.Controlled device pressure adopts the metering system of mechanical definite value to do overvoltage protection, and when gas pressure surpassed default value, inside and outside gas exchange device was opened release pressure voluntarily, closes voluntarily in the time of under pressure falls back to setup pressure value; The controlled device pathogenic microorganism is killed regularly metering system of employing system, and sterilizing unit starts or stops by the default condition; The controlled device cistern water level adopts the metering system of machinery location, crosses when hanging down at the damping device cistern water level and feeds water, draining when storage bay bottom ponding is too much; Controlled device gate inhibition adopts the metering system of machinery location, does gate inhibition's control according to the Ku Men position, sends security warning for personnel pass in and out storage bay.

Claims

1, a kind of packaged type gas adjusted cold store, it is characterized in that the appearance and size of storehouse body and structural framing are by 20 feet or 40 feet trans-container standards, with two parts of storage bay, equipment room accounts for 1/5 or 1/10 of storehouse body volume between the body subset of storehouse, and storage bay accounts for 4/5 or 9/10 of storehouse body volume; The structural framing of storehouse body is connected as a single entity equipment room and storage bay, cuts off mutually between two parts, and closing surface is provided with service line and connects the hole, is provided with inside and outside gas exchange, water feeding and draining device.

2, a kind of packaged type gas adjusted cold store according to claim 1, the forward part that it is characterized in that the storehouse body is as equipment room, at the equipment room front end face also is that the top of storehouse body front end face is provided with the plug-in mounting structure of small power generation unit, and the bottom of front end face is made as ventilative fence gate; The top seal of equipment room, the bottom is open, and two sides all are made as ventilative fence gate; Be provided with installation frame in the equipment room, space division system, refrigeration system and switch board are installed.

3, a kind of packaged type gas adjusted cold store according to claim 1, the rear section that it is characterized in that the storehouse body also is that storehouse body rear end face is offered Ku Men as storage bay at the storage bay rear end face; All end faces of storage bay comprise that Ku Men and closing surface all take trapping insulation material structure; The top of closing surface is provided with inside and outside gas exchange device in storage bay, and the bottom is provided with water feeding and draining device; As transfer layer, as reflux layer, floor, ceiling are the netted open-end hole plate between top board and the ceiling between storage bay base plate and the floor, and the gas in, cold wind, water smoke flow from bottom to top; Be provided with installation frame in the storage bay, evaporimeter, ultrasonic wave damping device and the ozone sterilization device of refrigeration system is installed.