CN202879197U - Continuous air-pumping type pressure-relief refrigeration truck - Google Patents

Continuous air-pumping type pressure-relief refrigeration truck Download PDF

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Publication number
CN202879197U
CN202879197U CN 201220588846 CN201220588846U CN202879197U CN 202879197 U CN202879197 U CN 202879197U CN 201220588846 CN201220588846 CN 201220588846 CN 201220588846 U CN201220588846 U CN 201220588846U CN 202879197 U CN202879197 U CN 202879197U
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China
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storeroom
hypobaric
continuous air
refrigeration
air extraction
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Withdrawn - After Issue
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CN 201220588846
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Chinese (zh)
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张长峰
范新光
聂小宝
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Shandong Institute of Commerce and Technology
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Shandong Institute of Commerce and Technology
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Abstract

The utility model relates to freshness-keeping and refrigeration equipment, in particular to a low-temperature conveying device used for long-time freshness-keeping transportation. A continuous air-pumping type pressure-relief refrigeration truck comprises a truck body and a warehouse body, wherein a shock-prevention device is installed in the connection position between the truck body and the warehouse body. The warehouse body comprises a storage chamber used for storing objects and an equipment installation chamber used for storing equipment, an automatic information control system is installed inside the equipment installation chamber, a gas pre-processing chamber is arranged inside the equipment installation chamber and is communicated with the storage chamber, and the equipment installation chamber further comprises a humidifying system, an ozone sterilization system, refrigeration systems and pressure-reduction systems. The refrigeration systems and the pressure-reduction systems are set into two sets, one set of the refrigeration system and the pressure-reduction system is communicated and matched with the gas pre-processing chamber for use, and the other set of the refrigeration system and the pressure-reduction system is communicated and matched with the storage chamber for use. The extremely low oxygen environment produced by the continuous air-pumping type pressure-relief refrigeration truck is capable of effectively restraining the growth of aerobic bacteria, and has an ozone sterilization function at the same time, thereby effectively restraining the breeding of pathogenic bacteria and corruption of fruits and vegetables.

Description

A kind of continuous air extraction formula hypobaric and refrigerated preservation car
Technical field
The utility model relates to fresh-keeping and cold storage equipment, in particular for the low-temperature transport device of long-time fresh-keeping transportation, and a kind of continuous air extraction formula hypobaric and refrigerated preservation car specifically.
Background technology
The hypobaric and refrigerated preservation technology, be also referred to as the subatmospheric pressure storage technology, have suppress the fruits and vegetables respiration consumption, in time get rid of pernicious gas, suppress the inside and outside fungus growth of storage product, can kill insect inside and outside the storage product, the most effective maintenance mode of appearance and the advantages such as quality, Shelf-life.
At present, decompression technology is divided into and intermittently bleeds and two kinds of forms of continuous air extraction.Studies show that, the method of only having continous way to bleed, be that vacuum pump continuously vacuumizes storeroom, pass into continuously again simultaneously the method for low pressure high humidity fresh air to storeroom, just can make and reach the desired effect of hypobaric and refrigerated preservation: vacuum pump is to the storeroom continuous air extraction, air enters cubic expansion behind the storeroom, and absolute pressure can reach 1kPa in the storeroom, this moment airborne O 2And CO 2Concentration reduce to 1% of normal atmosphere (An), can make fruits and vegetables be in a low O 2, low CO 2Environment, can effectively suppress the respiration of fruits and vegetables; In the time of to the storeroom continuous air extraction, pass into inward again fresh low pressure highly humid air, make the gas of storeroom be in dynamic balance state, can be timely and effectively drain into the pernicious gases such as the ethanol that produces in the fruit vegetables storing process, acetaldehyde, ethene outdoor; Extremely hang down simultaneously O 2Environmental energy effectively suppress the growth of aerobic bacteria, if be aided with again ozone sterilization, with the effectively breeding of mould fungus inhibition and the corruption of fruits and vegetables; The relative humidity that the humidification function of pressure purger can improve the storage indoor gas reaches 90% or more even 99%, and high relative humidity has suppressed the dehydration of fruits and vegetables effectively, makes the product of storage effectively keep original mode of appearance and quality.So continuous air extraction formula hypobaric and refrigerated preservation technology is the actv. technology of preserving fruit and vegetable utilizing.
At present, hypobaric and refrigerated preservation chain new model has been proposed on the basis of hypobaric and refrigerated preservation expert with regard to cold chain transportation, similar to traditional cold chain, can form a complete hypobaric and refrigerated preservation chain take vacuum precooling machine, hypobaric and refrigerated preservation storehouse, hypobaric and refrigerated preservation car, hypobaric and refrigerated preservation freight container, hypobaric and refrigerated preservation antistaling cabinet as Technology Equipment, its fresh-keeping storing effect will be higher than traditional cold chain technology far away.Existing specialized company and the engineering staff that can research and develop the hypobaric and refrigerated preservation device of China, also there is Patents CN 101554941A to disclose a kind of multifunctional decompressing storage device, related to the downward long-living bright far products storage fresh-keeping phase of uncongealable situation, in the technology that comparative maturity is also arranged aspect the design and R﹠D in hypobaric and refrigerated preservation storehouse, but about hypobaric and refrigerated preservation car or other transportation device aspect, hypobaric and refrigerated preservation land route, also there are not relevant report and patent.
Patent CN 101624123A discloses a kind of preserving fruit and vegetable utilizing freight container with decompression, to install the transformation of decompression refrigerating apparatus additional on the basis of freight container, has certain limitation: belong to intermittently bleeder pressure regulating equipment, can not carry out continuous air extraction, in time detach the pernicious gas that the storage product produce in transportation; Do not design humidification system, can't solve the difficult problem of decompression dehydration; Do not have continued power equipment, can't continue decrease temperature and pressure in transit.
In order to realize complete hypobaric and refrigerated preservation chain new model, but a kind of hypobaric and refrigerated preservation car with sustainable power supply, can the sterilization of continuous air extraction humidification multi-functional independent design in one of our eager needs, to realize the land route transportation function of hypobaric and refrigerated preservation equipment.
Summary of the invention
The purpose of this utility model, it is exactly the problem that exists for solving prior art, and designed continuous air extraction formula hypobaric and refrigerated preservation car, have the fresh-keeping and cold storage transportation device of continuous air extraction function, deepfreeze function, lasting humidification function, ozone sterilizing function and automated information control function.
The technical solution of the utility model is: a kind of continuous air extraction formula hypobaric and refrigerated preservation car, comprise car body and storehouse body, the junction of described car body and storehouse body is equipped with antivibration device, the storehouse body comprises the storeroom of depositing storage product usefulness and the equipment clipping room of arranging apparatus, the automated information control system is installed in the equipment clipping room, is provided with gas pretreatment chamber in the described equipment clipping room and is communicated with storeroom; The equipment clipping room also includes humidification system, ozone disinfecting system and refrigeration system and depressurized system; Described refrigeration system and depressurized system are provided with two covers, and wherein cover refrigeration system and a depressurized system is communicated with gas pretreatment chamber and is used, and another set of refrigeration system and depressurized system are communicated with storeroom and are used.
Described refrigeration system comprises refrigerating unit and cooling intallation, and cooling intallation is cold finger or cooling blower.
The inner cavity top of described gas pretreatment chamber and storeroom arranges cooling intallation, and the below of cooling intallation is equipped with water-collecting tray; The inner chamber bottom of storeroom is provided with carrying disk, and the carrying disk below is provided with polywater canal or the polywater layer of discharging the inner chamber condensed water; One end of described water-collecting tray is all by being with valvular drainage pipeline to be communicated with outdoor.
Described depressurized system includes vacuum pump, bypass disc, pump-line, respectively storeroom and gas pretreatment chamber is carried out pumped down.
Described bypass disc comprises electromagnetic valve and flow regulating valve, and electromagnetic valve links to each other with the automated information control system.
Described humidification system comprises humidifier, breather line, connection for bbreather pipe, atomizer; Described humidifier is communicated with gas pretreatment chamber by breather line, and is provided with atomizer in the exit of breather line, and the inner bottom of humidifier is provided with temperature booster.
Described ozone disinfecting system comprises ozone generator, connection for bbreather pipe, breather line, and ozone generator is connected with storeroom by breather line.
Described automated information control system comprises information control panel, PLC programmable logic controller (PLC), sensor; Described sensor comprises pressure sensor, temperature sensor, humidity sensor and flow counter.
Be provided with electric power system in the described equipment clipping room, described electric power system is electrically connected the electrical generator on the car body, and described electric power system also includes battery pack.
The wall of described gas pretreatment chamber and storeroom is designed to three-decker: outermost layer is that bearing course, innermost layer are the corrosion prevention internal layer, and the centre is heat-insulation layer, is provided with bracing frame and connects between bearing course and corrosion prevention internal layer; Described gas pretreatment chamber and storeroom inside are equipped with temperature sensor, pressure sensor, humidity sensor.
The beneficial effects of the utility model can draw by such scheme: the utlity model has characteristics safe and reliable, energy-conserving and environment-protective, and have continuous air extraction function, deepfreeze function, continue humidification function, ozone sterilizing function and automated information control function, realize the land route transportation function of hypobaric and refrigerated preservation device, further satisfied the requirement of decompression cold chain new model.
Depressurized system of the present utility model can make the interior absolute pressure of storeroom can reach 1kPa even lower, at this moment airborne O 2And CO 2Concentration reduce to 1% of normal atmosphere (An), can make fruits and vegetables be in a kind of low O 2, low CO 2Environment, can effectively suppress the respiration of fruits and vegetables, the activity of inhibitory enzyme reduces the loss that the nutriment that autophage brings is arranged; The utility model belongs to the continuous air extraction formula, vacuum pump is to the storeroom continuous air extraction time, there is again fresh low pressure highly humid air to pass into, make the gas in the storeroom be in dynamic balance state, can be timely and effectively the pernicious gases such as the ethanol that produces in the fruit vegetables storing process, acetaldehyde, ethene are drained into outdoor, thereby reduce pernicious gas to the further damage of fruits and vegetables; The extremely low O that the utility model is created 2The environmental energy actv. suppress the growth of aerobic bacteria, simultaneously ozone sterilizing function is arranged again, effectively suppress the breeding of germ and the corruption of fruits and vegetables; Humidification system of the present utility model can be brought up to the relative humidity of gas more than 95%, and high relative humidity has reduced the rising dehydration of fruits and vegetables greatly, can effectively keep the original mode of appearance of fruits and vegetables and quality; The three-decker design of the utility model storeroom object has been satisfied withstand voltage and two kinds of functions of insulation, is connected with shock absorption device between its storehouse body and the car body, so that whole hypobaric and refrigerated preservation car is safer, more reliable; The utility model can be to all system's continued powers, and design of its first battery pack power supply, aftercarriage power supply reduced the consumption to fuel widely, meet the principle of energy-conserving and environment-protective; Automated information control system of the present utility model makes operation become simple and convenient, can finish Monitoring and Controlling to all parameter systems by the information control panel, is conducive to realize commercially producing of hypobaric and refrigerated preservation car.
This shows that the utility model compared with prior art has substantive distinguishing features and progress, the beneficial effect of its enforcement also is apparent.
Description of drawings:
Fig. 1 is the whole relation figure of the utility model hypobaric and refrigerated preservation car
Fig. 2 is the detailed maps that each system unit connects in the equipment clipping room
Fig. 3 is the graph of a relation between each parts in the automated information control system.
Wherein, 1: car body, 2: the storehouse body, 3: storeroom, 4: antivibration device, 5: the equipment clipping room, 6: gas pretreatment chamber, 7: resistance to compression door, 8: thermal insulating door thermally insulated door, 9: cooling intallation, 10: water-collecting tray, 11: carrying disk, 12: drain hose, 13: temperature sensor, 14: pressure sensor, 15: humidity sensor, 16: control panel, 17: blower fan, 18: vacuum pumping pump, 19: humidifier, 20: flow counter, 21: water-level gauge, 22: refrigerating unit, 23: breather line, 24: connection for bbreather pipe, 25: atomizer, 26: inlet channel, 27: induction tract, 28: temperature booster, 29: ozone generator, 30: storage battery, 70: message handler, 71: sensor, 72: automatic control part, 73: manual control part.
The specific embodiment:
In order to understand better the utility model, explain in detail embodiment of the present utility model below in conjunction with accompanying drawing.
The specific embodiment: as shown in Figure 1, a kind of continuous air extraction formula hypobaric and refrigerated preservation car, comprise car body 1 and storehouse body 2, the junction of described car body 1 and storehouse body 2 is equipped with antivibration device 4, storehouse body 2 comprises storeroom 3 that storing articles is used and the equipment clipping room 5 of arranging apparatus, the automated information control system is installed in the equipment clipping room 5, is provided with gas pretreatment chamber 6 in the described equipment clipping room 5 and is communicated with storeroom 3; Equipment clipping room 5 also includes humidification system, ozone disinfecting system and refrigeration system and depressurized system; Described refrigeration system and depressurized system are provided with two covers, and wherein cover refrigeration system and a depressurized system is communicated with gas pretreatment chamber 6 and is used, and another set of refrigeration system and depressurized system are communicated with storeroom 3 and are used.
As shown in Figure 1, 2, in the described equipment clipping room 5 gas pretreatment chamber 6 is installed.Because when gas changes low-pressure state over to by normal atmosphere (An), gas expansion, steam partial pressure sharply diminishes, the relative humidity of air also can diminish thereupon, in order to make storeroom 3 interior gases can maintain the stable environment of a desired low pressure, high humidity, low temperature, at storeroom 3 front ends a gas pretreatment chamber 6 is set, come to gas reduce pressure, the advanced processing of humidification, precooling, thereby make the gas that enters storeroom 3 reach low pressure, the high humidity of expection, the stablizing effect of low temperature.Described gas pretreatment chamber 6 is connected with vacuum pumping pump 18, in order to reduce the pressure of gas pretreatment chamber 6.Described gas pretreatment chamber 6 is connected with humidifier 19, in order to increase humidity to indoor spray water steam.Between described gas pretreatment chamber 6 and the storeroom 3 flow counter 20 is set, the speed that enters the gas of storeroom 3 in order to measurement, i.e. flow.In whole gas pretreatment system, according to institute's setting parameter in advance, regulation and control by the automated information control system, extract system, refrigeration system, humidification system work, make gas reach predetermined pressure, temperature and relative humidity, and the maintenance stabilized conditions, enter storeroom 3 by flow counter 20 and breather line 23 subsequently.
All there are the housing parts of resistance to compression insulation in described storeroom 3 and gas pretreatment chamber 6, and housing design is three-decker: outermost layer is bearing course, adopt the resistance to compression steel plate, can bear for a long time the above absolute pressure of 1000Pa and indeformable; Innermost layer is the corrosion-resistant steel internal layer, has the characteristics of non-corrosive, internal corrosion; The centre is heat-insulation layer, is polyurethane foaming layer, has good heat insulating, ageing-resistant, characteristics that quality is light, is connected bracing frame with the corrosion-resistant steel internal layer at bearing course and connects, with bearing capacity and the fastness that strengthens whole housing.The afterbody of described storeroom 3 is offered inside and outside two sects, and inner door is the resistance to compression steel plate for resistance to compression door 7, at the inboard attached rubber layer of door, and the leakproofness of whole storeroom when closing with door in guaranteeing; External door is thermal insulating door thermally insulated door 8, is the stainless steel case body structure, the foaming of inner filled polyurethane, an inboard attached circle rubber pad, heat retaining property and the leakproofness of whole storeroom 3 when guaranteeing that external door is closed.
As shown in Figure 2, the top of described storeroom 3 and gas pretreatment chamber 6 is provided with cooling intallation 9, and water-collecting tray 10.The fruits and vegetables of storage flow down along the corrosion-resistant steel inwall because the moisture that the moisture that transpiration is scattered and disappeared and damping device increase is met cold formation water droplet, come together in storeroom 3 bottoms.The inner chamber bottom of storeroom 3 is provided with carrying disk 11, and carrying disk 11 belows are provided with polywater canal or the polywater layer of discharging the inner chamber condensed water; One end of described water-collecting tray 10 is all by being with valvular drain hose 12 to be communicated with outdoor; Defrosting water on the cooling intallation 7 comes together on the water-collecting tray 10 of its below, can be discharged by drainage pipeline 12 by the sluicing valve that links to each other with water-collecting tray 10 when equipment quits work.Described sluicing valve is electromagnetic valve, links to each other with the automated information control system, can realize draining by the manual control of automated information control system.
As shown in Figure 2, be equipped with temperature sensor 13, pressure sensor 14, humidity sensor 15 on described storeroom 3 and gas pretreatment chamber 6 inwalls, in order to the temperature in the sensing chamber, pressure, relative humidity, and be connected with the automated information control system, show by information control panel 16.A blower fan 17 is established in described storeroom 3 inwalls top, in order to accelerate the circulating rate of storeroom 3 interior gases, accelerates the interchange of heat between gas and the product of storage, also so that the gas humidity of whole storeroom 3 inside keep relative stability.
As shown in Figure 2, described refrigeration system comprises that refrigerating unit 22 and cooling intallation 9 consist of, and cooling intallation is cold finger.The refrigeration of 22 pairs of gas pretreatment chamber 6 of refrigerating unit reached and storeroom 3 interior gas same temperatures gas before entering storeroom 3, will can not cause because of ventilation the fluctuation of temperature like this.The operation of refrigerating unit 22 is subjected to the regulation and control of automated information control system: by corresponding temperature sensor perception, prescribe a time limit when actual temperature reaches on the established temperature, refrigerating unit 22 work are prescribed a time limit when actual temperature reaches under the established temperature, refrigerating unit 22 work of stopping, and so forth.
As shown in Figure 2, vacuum pumping pump 18 carries out pumped down by pump-line to storeroom 3, is provided with bypass disc at extraction pipe.Described bypass disc is electromagnetic valve, links to each other with the automated information control system, can realize by the control of automated information control system the switch of electromagnetic valve.During work, vacuum pumping pump 18 continues to vacuumize indoor, so that indoor pressure continues reduction, and on period, vacuum pumping pump 18 continuous runnings not intermittently do not reach set range of pressure always.By 14 perception of indoor pressure sensor, when actual pressure is lower than set low pressure limit, automated information control system control electromagnetic valve is opened, ambient atmos enters from bypass disc, and room pressure moment becomes large, when room pressure during greater than set upper pressure limit, automated information control system control closed electromagnetic valve, ambient atmos stops to enter, and so forth, so that whole indoor pressure maintains in the set range of pressure.
As shown in Figure 2, described humidification system comprises humidifier 19, breather line 23, connection for bbreather pipe 24, atomizer 25.Described humidifier 19 adopts the resistance to compression design, and outer is the resistance to compression steel plate, and internal layer is plastic layer, and deionized water is equipped with in inside.Described humidifier 19 outsides fill a water-level gauge 21, and water-level gauge 21 communicates with humidifier 19 inside, have a buoy, buoy can show humidifier 19 water level inside in the water-level gauge 21, and water-level gauge is established respectively " highest water level MAX " and " lowest water level MIN " in two ends about in the of 21.Described humidifier top is connected with an inlet channel 26, and inlet channel 26 tops tap into water valve, and water level need add water during near " lowest water level MIN ", open flood valve, inject deionized water, water level must not surpass " highest water level MAX ", adds should close flood valve after water finishes.Described humidification system is connected with an induction tract 27, induction tract 27 bottoms are deeply below " lowest water level MIN ", induction tract 27 tops connect an air inlet valve, the air inlet valve top connects a filter, ambient atmos is because the poor effect of external and internal pressure, enter below the humidifier water level inside by filter, air inlet valve, induction tract 27 successively, the water surface of emerging again is to reach the purpose of gas humidification.The inner bottom of described humidification system is provided with a temperature booster 28, crosses when low when ambient temperature, and the deionized water vaporization degree of humidifier inside is not enough, be not enough to produce enough water vapours, temperature booster 28 unlatching heating this moment, temperature raises and makes the moisture vaporization, produces enough steam.Be connected with a breather line 23 between described humidifier 19 and the gas pretreatment chamber 6, breather line 23 is provided with a connection for bbreather pipe 24, aqueous vapor enters gas pretreatment chamber 6 by this breather line 23 and connection for bbreather pipe 24, the switch of connection for bbreather pipe 24 is subjected to the regulation and control of automated information control system: when the relative humidity of gas pretreatment chamber 6 is crossed when low, connection for bbreather pipe 24 is opened humidification; When humidity was too high, connection for bbreather pipe 24 was closed, and stops humidification.
As shown in Figure 2, described ozone disinfecting system comprises ozone generator 29, connection for bbreather pipe and breather pipe.Ozone generator 29 is connected with storeroom 3 by breather line, establish a connection for bbreather pipe in the middle of the breather pipe, the ozone that produces during ozone generator 29 work enters storeroom 3 by breather pipe and connection for bbreather pipe, and whether can control by the switch of connection for bbreather pipe needs ozone to enter storeroom 3 sterilizations.
The above air inlet valve, connection for bbreather pipe are electromagnetic valve, link to each other with the automated information control system, can control its switch by the information control panel 16 of automated information control system.
As shown in Figure 2, described electric power system is given all power consumption system power supplies: preferentially use 30 groups of storage batterys to power, before the hypobaric and refrigerated preservation car sets out at every turn, storage battery 30 is charged, in transit, if storage battery 30 electric weight deplete, then use the automobile current generator power supply instead, normal with the power supply that guarantees whole permission process.
Such as Fig. 2, shown in Figure 3, described automated information control system comprises information control panel 16, PLC, sensor, automatic control part, manual control part.Described information control panel is touch display screen, can pass through this touch display screen observed pressure, temperature, relative humidity data, and can by parameters such as this touch display screen change pressure, temperature, relative humidity, also can control various valve switchs by this touch display screen.Described PLC is programmable logic controller (PLC), and autocontrol part and the information control panel of each sensor, valve, each system linked to each other with PLC, by PLC is carried out programming in logic, realizes to the processing of data with to the automation control of each system unit.Described sensor comprises: pressure sensor 14, temperature sensor 13, humidity sensor 15 and flow counter 20.Sensor is surveyed data transmission with institute and is processed output to PLC.Described automatic control part is the automatic control component of depressurized system, refrigeration system and humidification system, be PLC by the switch of controlling depressurized system bypass disc and bypass disc, the operation of refrigerating unit 22, the work of humidifier 19 internal heaters 28 and the switch of connection for bbreather pipe 24, realize that each system moves automatically according to institute's setting parameter.Described manual control part comprises various sluicing valves, connection for bbreather pipe, flood valve etc., and namely by the direct control of control panel, the switch of controlling each valve reaches the purpose of draining, ventilation, water inlet.In whole automated information control system, after by the information control panel pressure, temperature, humidity being set, each sensor is passed to the survey data microprocessor of PLC, and be presented on the information control panel, after process PLC carries out programming in logic, the microprocessor processes relevant information, and control the operation of each automatic control part of system.Artificial also can be by switch, the closure of each valve in the information control panel control manual control part, realize the switch of pipeline, whether draining, the function such as ozone sterilization whether, thereby realize the automated information regulation and control of whole system.
Above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example; the variation that those skilled in the art make in essential scope of the present utility model, remodeling, interpolation or replacement also should belong to protection domain of the present utility model.

Claims (10)

1. continuous air extraction formula hypobaric and refrigerated preservation car, comprise car body and storehouse body, the junction of described car body and storehouse body is equipped with antivibration device, the storehouse body comprises the storeroom of depositing storage product usefulness and the equipment clipping room of arranging apparatus, the automated information control system is installed in the equipment clipping room, it is characterized in that: be provided with gas pretreatment chamber in the described equipment clipping room and be communicated with storeroom; The equipment clipping room also includes humidification system, ozone disinfecting system and refrigeration system and depressurized system; Described refrigeration system and depressurized system are provided with two covers, and wherein cover refrigeration system and a depressurized system is communicated with gas pretreatment chamber and is used, and another set of refrigeration system and depressurized system are communicated with storeroom and are used.
2. continuous air extraction formula hypobaric and refrigerated preservation car as claimed in claim 1, it is characterized in that: described refrigeration system comprises refrigerating unit and cooling intallation, cooling intallation is cold finger or cooling blower.
3. continuous air extraction formula hypobaric and refrigerated preservation car as claimed in claim 2, it is characterized in that: the inner cavity top of described gas pretreatment chamber and storeroom arranges cooling intallation, and the below of cooling intallation is equipped with water-collecting tray; The inner chamber bottom of storeroom is provided with carrying disk, and the carrying disk below is provided with polywater canal or the polywater layer of discharging the inner chamber condensed water; One end of described water-collecting tray is all by being with valvular drainage pipeline to be communicated with outdoor.
4. continuous air extraction formula hypobaric and refrigerated preservation car as claimed in claim 1, it is characterized in that: described depressurized system includes vacuum pump, bypass disc, pump-line, respectively storeroom and gas pretreatment chamber is carried out pumped down.
5. continuous air extraction formula hypobaric and refrigerated preservation car as claimed in claim 4, it is characterized in that: described bypass disc comprises electromagnetic valve and flow regulating valve, electromagnetic valve links to each other with the automated information control system.
6. continuous air extraction formula hypobaric and refrigerated preservation car as claimed in claim 1, it is characterized in that: described humidification system comprises humidifier, breather line, connection for bbreather pipe, atomizer; Described humidifier is communicated with gas pretreatment chamber by breather line, and is provided with atomizer in the exit of breather line, and the inner bottom of humidifier is provided with temperature booster.
7. continuous air extraction formula hypobaric and refrigerated preservation car as claimed in claim 1, it is characterized in that: described ozone disinfecting system comprises ozone generator, connection for bbreather pipe, breather line, ozone generator is connected with storeroom by breather line.
8. continuous air extraction formula hypobaric and refrigerated preservation car as claimed in claim 1, it is characterized in that: described automated information control system comprises information control panel, PLC programmable logic controller (PLC), sensor; Described sensor comprises pressure sensor, temperature sensor, humidity sensor and flow counter.
9. continuous air extraction formula hypobaric and refrigerated preservation car as claimed in claim 1 is characterized in that: be provided with electric power system in the described equipment clipping room, described electric power system is electrically connected the electrical generator on the car body, and described electric power system also includes battery pack.
10. continuous air extraction formula hypobaric and refrigerated preservation car as claimed in claim 1, it is characterized in that: the wall of described gas pretreatment chamber and storeroom is designed to three-decker: outermost layer is that bearing course, innermost layer are the corrosion prevention internal layer, the centre is heat-insulation layer, is provided with bracing frame and connects between bearing course and corrosion prevention internal layer; Described gas pretreatment chamber and storeroom inside are equipped with temperature sensor, pressure sensor, humidity sensor.
CN 201220588846 2012-11-09 2012-11-09 Continuous air-pumping type pressure-relief refrigeration truck Withdrawn - After Issue CN202879197U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102941794A (en) * 2012-11-09 2013-02-27 山东商业职业技术学院 Continuous air suction type depressurized refrigerator truck

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102941794A (en) * 2012-11-09 2013-02-27 山东商业职业技术学院 Continuous air suction type depressurized refrigerator truck
CN102941794B (en) * 2012-11-09 2015-06-17 山东商业职业技术学院 Continuous air suction type depressurized refrigerator truck

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