CN103300139B - Multi-unit modified atmosphere preservation device with uniformly distributed air and separated cooling - Google Patents
Multi-unit modified atmosphere preservation device with uniformly distributed air and separated cooling Download PDFInfo
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- CN103300139B CN103300139B CN201310255185.6A CN201310255185A CN103300139B CN 103300139 B CN103300139 B CN 103300139B CN 201310255185 A CN201310255185 A CN 201310255185A CN 103300139 B CN103300139 B CN 103300139B
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Abstract
The invention discloses a multi-unit modified atmosphere preservation device with uniformly distributed air and separated cooling, comprising a membrane nitrogen making machine, a gas concentration monitoring and controlling device, and a plurality of box storage chambers which are independently arranged in a sealed way and have the same structure, wherein each box storage chamber is internally provided with a sensor, a humidifying device and an evaporator connected with a refrigerating compressor unit, and the sensor is connected with the gas concentration monitoring and controlling device; an air inlet of each box storage chamber is respectively provided with an air inlet electronic valve, and an air outlet of each box storage chamber is respectively provided with an air discharge solenoid valve; each box storage chamber is connected with an absorption type ethylene removing device. The device provided by the invention has the beneficial effects that each box storage chamber is provided with a cold air uniform distributing device to realize temperature balance, and an independent refrigerating system, and the scroll refrigerating compressor unit is adopted to realize independent cooling and regulation; a transparent vacuum glass sealing box door is arranged, so that products in the box can be conveniently observed; an ethylene absorption tank and a gas closed circulating structure are adopted to achieve the object that the ethylene released by fruits and vegetables is removed.
Description
Technical field
The present invention relates to storage fruit and vegetable air-conditioning fresh-keeping device, particularly be the multiple-unit air-conditioning fresh-keeping device with the uniform independent cooling of cold wind.
Background technology
Fruits and vegetables after adopting are the living organisms of living, and are accompanied by a series of ripe old and feeble variation the centered by respiratory metabolism, and quality constantly declines, final rotten ruining.The common mode of modern storage fruit and vegetable comprises: Storage in cold bank, air conditioned storage, subatmospheric pressure storage and other modern storage methods: as high voltage electric field processing, ozone or chlorine dioxide treatment, static or radiation treatment etc.
Fruits and vegetables are of a great variety, and the needed temperature of variety classes storage fruit and vegetable, gas componant are not quite similar, and for carrying out storage fruit and vegetable, need to provide essential parameter, need special experimental rig to carry out lab scale and pilot scale.For making result of the test reliable and practical, experimenter possesses temperature equalization in the urgent need to a kind of storage space, can independently lower the temperature and regulate and control, observation product is convenient, can effectively reduce ethylene concentration, keep accurate oxygen and carbon dioxide concentration, possess humidity adjusting function, and can carry out the device of the test of a plurality of kinds or kind.
Summary of the invention
The object of the invention is to meet experimenter and the market demand, a kind of temperature equalization that has is provided, can independently lower the temperature and regulate and control, noise be low; Observation product is convenient; Can effectively reduce ethylene concentration; Keep accurate oxygen and carbon dioxide concentration; Possesses humidity adjusting function; And can carry out the test of a plurality of kinds or kind and the multiple-unit air-conditioning fresh-keeping device with the uniform independent cooling of cold wind of the market demand.
The technical scheme solving the problems of the technologies described above is: a kind of multiple-unit air-conditioning fresh-keeping device with the uniform independent cooling of cold wind, and described multiple-unit air-conditioning fresh-keeping device comprises: a plurality of casing storerooms that film nitrogen making machine, gas concentration inspect controller, the identical independent closed of structure arrange; In each casing storeroom, be provided with sensor, damping device and the evaporimeter being connected with refrigeration compressor set of collecting temperature, humidity, oxygen and carbon dioxide; Described sensor connects gas concentration inspect controller; The air inlet of each casing storeroom is installed respectively the air inlet electronic valve being connected with film nitrogen making machine, and its gas outlet is installed respectively with film nitrogen making machine and is connected exhaust solenoid valve; Each casing storeroom all connects absorption except ethylene unit.
Beneficial effect of the present invention is: the present invention meets experimenter and the market demand, and each casing storeroom has cold wind even distribution device and realizes temperature equalization; Each casing storeroom has the self-contained refrigerating system matching with casing storeroom volume, adopts swirl type cold compressor group to realize independent cooling and regulation and control; Adopt the sealed transparent chamber door of 3 layers of vacuum glass formation, facilitate the mass change of product in inspection box; There is ethene tourie and gas closed-circulation structure that the solid vinyl of filling removes agent, reach and remove the object that fruits and vegetables discharge ethene; The present invention is connected with a plurality of unit controlled atmosphere casing storeroom by a mantle nitrogen making machine, the data-signal of the temperature gathering according to each casing storeroom inner sensor, relative humidity, oxygen and carbon dioxide concentration, and and the PLC of gas concentration Monitoring and Controlling instrument in numerical value be set compare after and send instruction, make to realize the gas parameter of setting separately in each casing storeroom, can carry out the test of a plurality of kinds or kind; Ultrasonic humidifier has been installed, has been guaranteed the requirement of relative humidity in duration of test case.
Accompanying drawing explanation
Fig. 1 is that structure of the present invention connects block diagram;
Fig. 2 is single casing storeroom partial sectional view in Fig. 1.
Fig. 3 is casing storeroom top partial enlarged drawing in Fig. 1.
Sequence number explanation > > in < < accompanying drawing
1: film nitrogen making machine; 2: nitrogen efferent duct; 3: air inlet electronic valve; 4: exhaust solenoid valve; 5: gas concentration inspect controller; 6: casing storeroom; 7: swirl type cold compressor; 8: ethylene removal tank; 9: ultrasonic humidifier; 10: upper water supply tank; 11: cold wind water conservancy diversion orifice plate; 11a: cold wind pod apertures; 12: mini-fan; 13: sensor; 14: visible observation door; 15: miniature circulating pump; 16: evaporimeter.
The specific embodiment
Below in conjunction with accompanying drawing, content of the present invention is described in detail.
Fig. 1 is that structure of the present invention connects block diagram; Fig. 2 is single casing storeroom partial sectional view in Fig. 1.
As shown in the figure, the invention provides a kind of multiple-unit air-conditioning fresh-keeping device with the uniform independent cooling of cold wind, described multiple-unit air-conditioning fresh-keeping device comprises: a plurality of casing storerooms 6 that film nitrogen making machine 1, gas concentration inspect controller 5, the identical independent closed of structure arrange; In each casing storeroom 6, be provided with sensor 13, damping device and the evaporimeter 16 being connected with refrigeration compressor set 7 of collecting temperature, humidity, oxygen and carbon dioxide; Described sensor 13 connects gas concentration inspect controller 5; The air inlet of each casing storeroom 6 is installed respectively the air inlet electronic valve 3 being connected with film nitrogen making machine 1, and the gas outlet of each casing storeroom 6 is installed respectively with film nitrogen making machine 1 and is connected exhaust solenoid valve 4; Each casing storeroom 6 all connects absorption except ethylene unit.
The gas concentration that PLC cyclelog sets each casing storeroom 6 is respectively housed in described gas concentration inspect controller 5 and carries out Monitoring and Controlling, when needs reduce adjustment oxygen and carbon dioxide concentration, gas concentration inspect controller 5 control air inlet electronic valves 3 and exhaust solenoid valve 4 are synchronously opened and are made film nitrogen making machine 1 be filled with nitrogen to casing storeroom 6.
In described each casing storeroom 6, being respectively arranged with is kept in continuous operation promotes the cold wind even distribution device that the balanced gentle breeze of the temperature inside the box circulates, and its structure comprises: the chamber door of casing storeroom 6 is provided with three layers of vacuum transparent glass capsulation door; Described refrigeration compressor set 7 is that swirl type cold compressor is arranged on casing storeroom 6 exterior bottom; Casing storeroom 6 internal upper parts are provided with evaporimeter 16, between evaporimeter 16 and casing storeroom 6 after panel box, have cold wind water conservancy diversion orifice plate 11, are provided with a plurality of cold wind pod apertures 11a on cold wind water conservancy diversion orifice plate 11; Mini-fan 12 is installed respectively in the interior both sides of casing storeroom 6; The cold wind that evaporimeter 16 produces laterally blows to cold wind water conservancy diversion orifice plate 11, by a plurality of cold wind pod apertures 11a uniform-flows to casing storeroom 6 inside.
The described absorption ethylene unit that removes comprises: ethylene removal tank 8, the miniature circulating pump 15 that solid vinyl removes agent is equipped with in inside; The air inlet of described ethylene removal tank 8 connects the gas outlet of miniature circulating pump 15, ethylene removal tank 8 gas outlet connect box storerooms 6; Described miniature circulating pump 15 air inlet connect box storerooms 6.
Described damping device comprises: humidifier 9 and the upper water supply tank 10 being connected with humidifier 9; Described humidifier 9 is that ultrasonic humidifier is arranged on each casing storeroom 6 inside; Described upper water supply tank 10 is arranged on each casing storeroom 6 outside top.
In particular: the present invention is connected with the air-conditioning fresh-keeping device of a plurality of casing storerooms 6 by a mantle nitrogen making machine 1, in the data-signal of the oxygen and carbon dioxide concentration gathering according to the sensor 13 in every each casing storeroom 6 and the PLC cyclelog in gas concentration Monitoring and Controlling instrument 5, numerical value is set and compares afterwards and send instruction, the gas parameter that the interior realization of each casing storeroom 6 is set separately, both the test of a plurality of fruits and vegetables kinds or kind can be carried out, and good control accuracy can be reached again.
During oxygen and carbon dioxide concentration in need to adjusting casing storeroom 6, gas concentration inspect controller 5 is controlled air inlet electronic valves 3 and exhaust solenoid valve 4 and is synchronously opened and make film nitrogen making machine 1 be filled with nitrogen in casing storeroom 6.
The present invention is provided with the cold wind even distribution device of the gentle breeze circulation being comprised of evaporimeter 16, cold wind water conservancy diversion orifice plate 11 and mini-fan 12 and realizes temperature equalization in casing storeroom 6; In casing storeroom 6, be provided with by swirl type cold compressor group 7, self-contained refrigerating system that evaporimeter 16 is that form to match with casing storeroom 6 volumes, adopt, realize independent cooling and regulation and control; In addition, adopt the sealed transparent chamber door of 3 layers of vacuum glass formation, facilitate the mass change of product in inspection box.
Described ethylene removal tank 8 inside are that solid vinyl removes agent.Ethylene removal tank 8, casing storeroom 6 and miniature circulating pump 15 form gas closed-circulation structure, can reach and remove the object that fruits and vegetables discharge ethene.
At the interior ultrasonic humidifier 9 of having installed of casing storeroom 6, humidifier 9 is connected with upper water supply tank 10, guarantees in the situation that duration of test is not opened chamber door effective adjusting of relative humidity in case.
Claims (4)
1. a multiple-unit air-conditioning fresh-keeping device with the uniform independent cooling of cold wind, it is characterized in that, described multiple-unit air-conditioning fresh-keeping device comprises: a plurality of casing storerooms (6) that film nitrogen making machine (1), gas concentration inspect controller (5), the identical independent closed of structure arrange; In each casing storeroom (6), be provided with sensor (13), damping device and the evaporimeter (16) being connected with refrigeration compressor set (7) of collecting temperature, humidity, oxygen and carbon dioxide; Described sensor (13) connects gas concentration inspect controller (5); The air inlet of each casing storeroom (6) is installed respectively the air inlet electronic valve (3) being connected with film nitrogen making machine (1), and its gas outlet is installed respectively with film nitrogen making machine (1) and is connected exhaust solenoid valve (4); Each casing storeroom (6) all connects absorption except ethylene unit;
In described each casing storeroom (6), being respectively arranged with is kept in continuous operation promotes the cold wind even distribution device that the balanced gentle breeze of the temperature inside the box circulates, and its structure comprises: the chamber door of casing storeroom (6) is provided with three layers of vacuum transparent glass capsulation door; Described refrigeration compressor set (7) is that swirl type cold compressor is arranged on casing storeroom (6) exterior bottom; Casing storeroom (6) internal upper part is provided with evaporimeter (16), between evaporimeter (16) and casing storeroom (6) after panel box, has cold wind water conservancy diversion orifice plate (11), is provided with a plurality of cold wind pod apertures (11a) on cold wind water conservancy diversion orifice plate (11); Mini-fan (12) is installed respectively in the interior both sides of casing storeroom (6); The cold wind that evaporimeter (16) produces laterally blows to cold wind water conservancy diversion orifice plate (11), by a plurality of cold wind pod apertures uniform-flows to casing storeroom (6) inside.
2. according to a kind of multiple-unit air-conditioning fresh-keeping device with the uniform independent cooling of cold wind in claim 1, it is characterized in that, the gas concentration that PLC cyclelog sets each casing storeroom (6) is respectively housed in described gas concentration inspect controller (5) and carries out Monitoring and Controlling, when needs reduce adjustment oxygen and carbon dioxide concentration, gas concentration inspect controller (5) control air inlet electronic valve (3) and exhaust solenoid valve (4) are synchronously opened and are made film nitrogen making machine (1) be filled with nitrogen to casing storeroom (6).
3. according to a kind of multiple-unit air-conditioning fresh-keeping device with the uniform independent cooling of cold wind in claim 1, it is characterized in that, the described absorption ethylene unit that removes comprises: ethylene removal tank (8), the miniature circulating pump (15) that solid vinyl removes agent is equipped with in inside; The air inlet of described ethylene removal tank (8) connects the gas outlet of miniature circulating pump (15), ethylene removal tank (8) gas outlet connect box storeroom (6); Described miniature circulating pump (15) air inlet connect box storeroom (6).
4. according to a kind of multiple-unit air-conditioning fresh-keeping device with the uniform independent cooling of cold wind in claim 1, it is characterized in that, described damping device comprises: humidifier (9) and the upper water supply tank (10) being connected with humidifier (9); Described humidifier (9) is that ultrasonic humidifier is arranged on each casing storeroom (6) inside; Described upper water supply tank (10) is arranged on each casing storeroom (6) outside top.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310255185.6A CN103300139B (en) | 2013-06-25 | 2013-06-25 | Multi-unit modified atmosphere preservation device with uniformly distributed air and separated cooling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310255185.6A CN103300139B (en) | 2013-06-25 | 2013-06-25 | Multi-unit modified atmosphere preservation device with uniformly distributed air and separated cooling |
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| CN103300139A CN103300139A (en) | 2013-09-18 |
| CN103300139B true CN103300139B (en) | 2014-10-22 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103548990B (en) * | 2013-10-25 | 2015-08-26 | 天津森罗科技股份有限公司 | Multi-varieties and small-batch fruit and vegetable air-conditioning preservation device and antistaling process thereof |
| CN103704322A (en) * | 2013-12-05 | 2014-04-09 | 天津市傲绿农副产品集团股份有限公司 | Minisize differential-pressure-type rapid precooling and gas fumigation device |
| CN103843870B (en) * | 2014-02-21 | 2015-10-28 | 无锡德林船舶设备有限公司 | Marine integral fresh-keeping system |
| CN103853219A (en) * | 2014-02-21 | 2014-06-11 | 无锡德林船舶设备有限公司 | Preservation integrated control device for ships |
| CN108775767B (en) * | 2018-07-24 | 2024-01-09 | 中铁第四勘察设计院集团有限公司 | Gas monitoring and cleaning system and method for refrigeration house |
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| CN201932066U (en) * | 2011-01-26 | 2011-08-17 | 天津商业大学 | Mechanical refrigerated vehicle based on perforated plate air supply mode |
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| CN102901304A (en) * | 2008-08-27 | 2013-01-30 | 松下电器产业株式会社 | Food storage device |
| CN201400121Y (en) * | 2009-04-15 | 2010-02-10 | 中国重型汽车集团寿光泰丰专用汽车有限公司 | Controlled atmosphere preservation transport vehicle |
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