CN104443814A - Atmosphere-controlling freshness retaining control device and technology for retaining freshness of fruits and vegetables in storage bag - Google Patents
Atmosphere-controlling freshness retaining control device and technology for retaining freshness of fruits and vegetables in storage bag Download PDFInfo
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- CN104443814A CN104443814A CN201410640481.2A CN201410640481A CN104443814A CN 104443814 A CN104443814 A CN 104443814A CN 201410640481 A CN201410640481 A CN 201410640481A CN 104443814 A CN104443814 A CN 104443814A
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- gas
- protection package
- freshness protection
- electromagnetic valve
- freshness
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- 235000012055 fruits and vegetables Nutrition 0.000 title claims abstract description 66
- 238000005516 engineering process Methods 0.000 title abstract description 7
- 239000007789 gas Substances 0.000 claims abstract description 118
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 33
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000001301 oxygen Substances 0.000 claims description 33
- 229910052760 oxygen Inorganic materials 0.000 claims description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 32
- 238000004320 controlled atmosphere Methods 0.000 claims description 17
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 16
- 230000007306 turnover Effects 0.000 claims description 11
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 8
- 238000005057 refrigeration Methods 0.000 abstract description 2
- 230000000717 retained effect Effects 0.000 abstract 1
- 238000009448 modified atmosphere packaging Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 235000021022 fresh fruits Nutrition 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Landscapes
- Storage Of Fruits Or Vegetables (AREA)
Abstract
The invention discloses an atmosphere-controlling freshness retaining control device and technology for retaining the freshness of fruits and vegetables in a storage bag. The device comprises the storage bag, a gas mixer, a gas detection device and a circuit control device with a touch screen, wherein an air inlet/outlet of the storage bag is connected with the gas mixer, a vacuum pump and the gas detection device, a nitrogen inlet of the gas mixer is connected with a nitrogen source, an air inlet of the gas mixer is connected with a gas storage tank and an air compressor in series, a gas mixture detection port is connected with the gas detection device, and the signal output end of the circuit control device with the touch screen is connected with the air compressor, the gas detection device, the vacuum pump and an electromagnetic valve. The technique comprises the steps that the nitrogen source is turned on, fruits and vegetables are placed in the storage bag, parameters are set, the storage bag is vacuumized, the storage bag is filled with a gas mixture and detection is conducted. The atmosphere-controlling freshness retaining control device and technology for retaining the freshness of fruits and vegetables in the storage bag have the advantages that atmosphere-controlling parameters of the interior of the storage bag reach the fruit and vegetable freshness-retaining range rapidly, and the freshness of fruits and vegetables can be retained for a long time; equipment is simple, operation is easy and convenient, the occupied space is small, power consumption is low, and the device and technique are particularly suitable for ships on which refrigeration chambers are established.
Description
Technical field
What the present invention relates to is fruit and vegetable air-conditioning fresh-keeping device, particularly be a kind of controlled atmosphere control setup to preserving fruit and vegetable utilizing in freshness protection package and technique that applicable ship uses.
Background technology
In prior art, aboard ship most air-conditioned cold store or refrigerating apparatus of adopting carries out fresh-keeping to fruits and vegetables, but air-conditioned cold store is applicable to single variety fruits and vegetables in enormous quantities preserves for a long time, and air-conditioned cold store is not only bulky, is not suitable for few for quantity on ship, multi items preserving fruit and vegetable utilizing; And refrigerating apparatus carries out fresh-keeping by refrigeration low-temperature to fruits and vegetables, there is the preserving fruit and vegetable utilizing phase equally short, fresh-keeping effect is poor, is more not suitable for ocean on ship and uses.
Packaging (i.e. Modified AtmospherePackaging) that Modified atmosphere packaging is referred to as in the world " MAP " adopts CO
2, O
2and N
2three kinds of gases mix in proportion and are filled with in vacuum fresh-keeping bag, and be aided with deepfreeze technology, carry out fresh-keeping to fruits and vegetables, make fruits and vegetables be in suitable gaseous environment all the time, suppress microbial growth breeding, slow down the metabolic speed of fresh fruit of vegetables thus the freshness date of prolongation fruits and vegetables.In view of on ship to the restriction of above-mentioned three kinds of gas sources, fruit and vegetable air-conditioning preservation technology is not suitable for oceangoing ship.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of to freshness protection package be filled with nitrogen by control nitrogen content fresh-keeping a kind of controlled atmosphere control setup to preserving fruit and vegetable utilizing in freshness protection package and technique are carried out to fruits and vegetables in freshness protection package.
Solving the problems of the technologies described above adopted technical scheme is:
To a controlled atmosphere control setup for preserving fruit and vegetable utilizing in freshness protection package, described controlled atmosphere control setup comprises: the circuit control device that the freshness protection package of fruits and vegetables, gas mixer, gas-detecting device and band touch-screen are housed; The 5th electromagnetic valve, the 6th electromagnetic valve and the 4th electromagnetic valve is connected respectively between the air inlet/outlet of freshness protection package and the gas-detecting device admission port of the mixed gas outlet of gas mixer, vacuum pump and gas-detecting device; The nitrogen inlet of described gas mixer is connected the second electromagnetic valve with between first throttle valve air gate, and first throttle valve admission port connects source nitrogen; The air intake of described gas mixer be connected the 3rd electromagnetic valve between second throttle air extractor duct, second throttle admission port connects storage tank, the Air compressor of connecting successively; The mixture gas of described gas mixer detects between mouth and the gas-detecting device admission port of gas-detecting device and is connected with the first electromagnetic valve; The signal output part of the circuit control device with touch-screen connects Air compressor, gas-detecting device signal input part, vacuum pump, the first electromagnetic valve respectively to the connection terminal of the 6th electromagnetic valve: the signal input part of the circuit control device of band touch-screen connects gas-detecting device signal output part; Circuit control device with touch-screen connects source of AC.
Preferred version is: described gas mixer is stored air and nitrogen pressure container, and bottom is provided with air intake and nitrogen inlet with symmetric form, and top is connected with the gas pipe line of T-shape structure, and two ends are respectively mixture gas and detect mouth and mixed gas outlet.
Preferred version is: described freshness protection package is transparent flat mouth plastic bag.
To a technique for the controlled atmosphere control setup of preserving fruit and vegetable utilizing in freshness protection package, described processing step is as follows: (1). open source nitrogen; (2). loaded by fruits and vegetables in freshness protection package, turnover tracheae and gas detecting tube one end are inserted in freshness protection package air inlet/outlet, tighten freshness protection package air inlet/outlet; (3). set fruit and vegetable varieties and correlation parameter on the touchscreen: on the touch-screen of the circuit control device of band touch-screen, be set as follows parameter: fruit and vegetable varieties (or preserving fruit and vegetable utilizing requisite oxygen content), to the freshness protection package pumpdown time with to freshness protection package inflationtime; (4). freshness protection package is vacuumized, fills miscellaneous gas and detection: be with the parameter that the circuit control device of touch-screen sets according to previous step, Air compressor, gas-detecting device, vacuum pump and electromagnetic valve start and stop are controlled respectively according to program, the circuit control device of gas-detecting device and band touch-screen vacuumizes freshness protection package according to setting, fills miscellaneous gas, and detects freshness protection package composition of gases within; (5). the freshness protection package qualified to gas content and the inferior-quality freshness protection package of gas content process respectively: when the oxygen and carbon dioxide content of freshness protection package after touching screen display and detecting reach its system automatically generate and the preserving fruit and vegetable utilizing oxygen content demonstrated time, extract turnover tracheae and gas detecting tube tighten freshness protection package air inlet/outlet, storeroom transferred to by freshness protection package; When touch the display oxygen and carbon dioxide content of screen display do not reach its system automatically generate and the preserving fruit and vegetable utilizing oxygen content demonstrated time, repeat above-mentioned (3), (4) step operation, until reach preserving fruit and vegetable utilizing gas content qualified till.
The invention has the beneficial effects as follows: the present invention overcomes the defect of prior art, the present invention has the features such as intellectuality, automation, simplification, compatible with environment are strong, safe and reliable, good refreshing effect, user carries out preserving fruit and vegetable utilizing Fruit variety or preserving fruit and vegetable utilizing setting parameter by being with the circuit control device of touch-screen and automatically controlling Air compressor, gas detecting controller of gas, vacuum pump work, controlled atmosphere parameter in freshness protection package is reached in the optimal anti-staling parameter area of input fruits and vegetables fast, thus reaches the object of fruits and vegetables long-period freshness preserving.
The present invention has the advantages such as simple, the simple to operation reliability of equipment is high, occupation of land space is little, low in energy consumption; Fruits and vegetables are loaded owing to adopting freshness protection package, various fruits and vegetables can be in best controlled atmosphere parameter area simultaneously, and it is convenient and safe to pick and place fruits and vegetables, require lower to fresh-keeping storehouse, the ship being particularly suitable for building cold store uses, increase the preserving fruit and vegetable utilizing phase to reach, increase the object of ship ocean navigation ability.
Accompanying drawing explanation
Fig. 1 is controlled atmosphere control setup connection structure schematic diagram of the present invention;
Fig. 2 is Structure of Gas Mixer schematic diagram in Fig. 1.
" in accompanying drawing, sequence number illustrates "
1: Air compressor; 2: storage tank; 3: source nitrogen; 4: first throttle valve; 5: second throttle; 6: gas mixer; 6a: air intake; 6b: nitrogen inlet; 6c: mixture gas detects mouth; 6d: mixed gas outlet; 7: gas-detecting device; 7a: gas-detecting device admission port; 7b: gas-detecting device signal input part; 7c: gas-detecting device signal output part; 8: vacuum pump; 9: the circuit control device of band touch-screen; 9a: signal output part; 9b: signal input part; 10: power supply; 11: the first electromagnetic valves; 12: the second electromagnetic valves; 13: the three electromagnetic valves; 14: the four electromagnetic valves; 15: the five electromagnetic valves; 16: the six electromagnetic valves; 17: freshness protection package; 18: turnover tracheae; 19: gas detecting tube.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
The invention provides a kind of controlled atmosphere control setup to preserving fruit and vegetable utilizing in freshness protection package, described controlled atmosphere control setup comprises: the circuit control device 9 that the freshness protection package 17 of fruits and vegetables, gas mixer 6, gas-detecting device 7 and band touch-screen are housed.
The 5th electromagnetic valve 15, the 6th electromagnetic valve 16 and the 4th electromagnetic valve 14 is connected respectively between the air inlet/outlet of described freshness protection package 17 and the gas-detecting device admission port 7a of the mixed gas outlet 6d of gas mixer 6, vacuum pump 8 and gas-detecting device 7.
The nitrogen inlet 6b of described gas mixer 6 is connected the second electromagnetic valve 12 with between first throttle valve 4 air extractor duct, and first throttle valve 4 admission port connects source nitrogen 3.
The air intake 6a of described gas mixer 6 is connected the 3rd electromagnetic valve 13 with between second throttle 5 air extractor duct, and second throttle 5 admission port connects storage tank 2, the Air compressor 1 of connecting successively.
The mixture gas of described gas mixer 6 detects between mouth 6c and the gas-detecting device admission port 7a of gas-detecting device 7 and is connected with the first electromagnetic valve 11.
The signal output part 9a of the circuit control device 9 of described band touch-screen connects Air compressor 1 respectively, gas-detecting device signal input part 7b, vacuum pump 8, the connection terminal of the first electromagnetic valve 11, the connection terminal of the second electromagnetic valve 12, the connection terminal of the 3rd electromagnetic valve 13, the connection terminal of the 4th electromagnetic valve 14, the connection terminal of the 5th electromagnetic valve 15 and the connection terminal of the 6th electromagnetic valve 16: the signal input part 9b of the circuit control device 9 of band touch-screen is connected gas-detecting device signal output part 7c, circuit control device 9 with touch-screen connects source of AC 10.
Described gas mixer 6 is stored air and nitrogen pressure container, and bottom is provided with air intake 6a and nitrogen inlet 6b with symmetric form, and top is connected with the gas pipe line of T-shape structure, and two ends are respectively mixture gas and detect mouth 6c and mixed gas outlet 6d.
Described freshness protection package 17 is transparent flat mouth plastic bag.
Gas in described freshness protection package 17 carries out vacuumizing, filling miscellaneous gas and gas componant detection respectively by turnover tracheae 18 and gas detecting tube 19.
In particular, described 5th electromagnetic valve 15 one end connects the air inlet/outlet of freshness protection package 17 by turnover tracheae 18, and the 5th electromagnetic valve 15 other end connects the mixed gas outlet 6d of gas mixer 6; 4th electromagnetic valve 14 one end connects the air inlet/outlet of freshness protection package 17 by gas detecting tube 19, the 4th electromagnetic valve 14 other end connects the gas-detecting device admission port 7a of gas-detecting device 7; One end of first electromagnetic valve 11 connects the mixture gas detection mouth 6c of gas mixer 6, and the other end of the first electromagnetic valve 11 connects the gas-detecting device admission port 7a of gas-detecting device 7; Described source nitrogen 3 is nitrogen gas cylinders.
Described gas-detecting device 7 is utility model patents, and its patent No. is: ZL201120471457.2, name are called: the many gas detecting instruments of a kind of air-conditioned cold store.The oxygen concentration telltale of ZL201120471457.2 patent and gas concentration lwevel telltale are shown by the touch display screen of the circuit control device 9 with touch-screen; The start and stop of ZL201120471457.2 patent are controlled by the circuit control device 9 with touch-screen.
The gas-detecting device admission port 7a of described gas-detecting device 7 sampling line that to be patent No.s be in ZL201120471457.2; Gas-detecting device admission port 7a is connected freshness protection package 17 and gas mixer 6 respectively by the 4th electromagnetic valve 14 with the first electromagnetic valve 11; Oxygen content and carbon dioxide content in collection freshness protection package 17 carry out detecting and are delivered to by gas content signal by gas-detecting device 7 is with the circuit control device 9 of touch-screen to show; Gas-detecting device 7 will to gather in gas mixer 6 oxygen content signal transmission to the circuit control device 9 being with touch-screen, and then the open frequency controlling the second electromagnetic valve 12 and the 3rd electromagnetic valve 13 adjusts the blending ratio of oxygen and nitrogen in gas mixer 6, makes oxygen content in gas mixer 6 meet setting requirement.
Miscellaneous gas in described gas mixer forms primarily of oxygen and nitrogen, because oxygen content 21% in air, and nitrogen content 78%, other gas contents about 1%, and nitrogen content is greater than 99.9% in nitrogen, so in gas mixer except oxygen and nitrogen, other gases can be ignored.
In the circuit control device 9 of band touch-screen, store the ratio of various fruit and vegetable varieties oxygen required in gas mixer 6 and nitrogen, by controlling the open frequency of the second electromagnetic valve 12 and the 3rd electromagnetic valve 13 respectively, control oxygen content and then control nitrogen amount in gas mixer 6, then the miscellaneous gas after carrying setting to freshness protection package 17 carries out to fruits and vegetables fresh-keeping.
Described freshness protection package 17 is transparent flat mouth plastic bag, during use, fruits and vegetables are put into freshness protection package by the air inlet/outlet of freshness protection package, the position close to fruits and vegetables in fresh-keeping sack is inserted in the one end passing in and out tracheae 18 and gas detecting tube 19, tighten sack, starter gear with hand or rope afterwards, reach after fresh-keeping requirement until oxygen content in freshness protection package, extract turnover tracheae 18 and gas detecting tube 19, tie sack with bungee.
The invention provides a kind of technique of the controlled atmosphere control setup to preserving fruit and vegetable utilizing in freshness protection package, described processing step is as follows:
(1). open source nitrogen;
(2). loaded by fruits and vegetables in freshness protection package, turnover tracheae and gas detecting tube one end are inserted in freshness protection package air inlet/outlet, tighten freshness protection package air inlet/outlet;
(3). set fruit and vegetable varieties and correlation parameter on the touchscreen: on the touch-screen of the circuit control device of band touch-screen, be set as follows parameter: fruit and vegetable varieties (or preserving fruit and vegetable utilizing requisite oxygen content), to the freshness protection package pumpdown time with to freshness protection package inflationtime;
More particularly, the touch-screen of the circuit control device 9 of band touch-screen selects fruit and vegetable preservation kind, circuit control device 9 with touch-screen automatically generates and demonstrates this oxygen content needed for kind preserving fruit and vegetable utilizing, resets and fills the mixture gas time to the freshness protection package pumpdown time with to freshness protection package;
(4). freshness protection package is vacuumized, fills miscellaneous gas and detection: be with the parameter that the circuit control device of touch-screen sets according to previous step, Air compressor, gas-detecting device, vacuum pump and electromagnetic valve start and stop are controlled respectively according to program, the circuit control device of gas-detecting device and band touch-screen vacuumizes freshness protection package according to setup parameter, fills miscellaneous gas, and detects freshness protection package composition of gases within;
More particularly, first, the circuit control device 9 of touch-screen drives the 6th electromagnetic valve 16 to open vacuum pump 8 to work, 4th electromagnetic valve 14 and the 5th electromagnetic valve 15 are closed simultaneously, vacuumize in freshness protection package, reach setting pumpdown time final vacuum pump 8 and shut down, the 6th electromagnetic valve 16 is closed;
Afterwards, Air compressor 1 and gas detecting controller of gas 7 work, and control the stop frequency of the second electromagnetic valve 12 and the 3rd electromagnetic valve 13, nitrogen and oxygen proportion in adjustment gas mixer 6; Meanwhile the first electromagnetic valve 11 is opened, and miscellaneous gas enters in gas-detecting device 7 by the first electromagnetic valve 11, will be uploaded to the circuit control device 9 with touch-screen after testing result conversion, amplification;
Circuit control device 9 with touch-screen judges whether the nitrogen in gas mixer 6 and the oxygen content in oxygen mixed gas meet its system and automatically generate and the oxygen content parameter demonstrated, when judging that in gas mixer 6, oxygen content is after indication range, first electromagnetic valve 11 is closed, 5th electromagnetic valve 15 is opened, 4th electromagnetic valve 14 is closed, 6th electromagnetic valve 16 is closed, the miscellaneous gas that gas mixer 6 is allotted enters freshness protection package 17 by the 5th electromagnetic valve 15 and turnover tracheae 18, after reaching fill the miscellaneous gas time in freshness protection package, Air compressor 1 quits work, second electromagnetic valve 12 is closed, 3rd electromagnetic valve 13 is closed, 5th electromagnetic valve 15 is closed, 4th electromagnetic valve 14 is opened, 6th electromagnetic valve 16 is closed, miscellaneous gas in freshness protection package enters gas detecting controller of gas 7 by the 4th electromagnetic valve 14 and gas detecting tube 19, testing result is changed by gas-detecting device 7, the circuit control device 9 with touch-screen is uploaded to after amplification, touch oxygen and carbon dioxide content in screen display freshness protection package,
(5). the freshness protection package qualified to gas content and the inferior-quality freshness protection package of gas content process respectively: when the oxygen and carbon dioxide content of freshness protection package after touching screen display and detecting reach its system automatically generate and the preserving fruit and vegetable utilizing oxygen content demonstrated time, extract turnover tracheae 18 and gas detecting tube 19 tighten freshness protection package air inlet/outlet, storeroom transferred to by freshness protection package;
When touch the display oxygen and carbon dioxide content of screen display do not reach its system automatically generate and the preserving fruit and vegetable utilizing oxygen content demonstrated time, repeat above-mentioned (3), (4) step operation, until reach preserving fruit and vegetable utilizing gas content qualified till.
Claims (4)
1. the controlled atmosphere control setup to preserving fruit and vegetable utilizing in freshness protection package, it is characterized in that, described controlled atmosphere control setup comprises: the circuit control device (9) that the freshness protection package (17) of fruits and vegetables, gas mixer (6), gas-detecting device (7) and band touch-screen are housed; The air inlet/outlet of freshness protection package (17) with the mixed gas outlet (6d) of gas mixer (6), be connected the 5th electromagnetic valve (15), the 6th electromagnetic valve (16) and the 4th electromagnetic valve (14) between vacuum pump (8) and the gas-detecting device admission port (7a) of gas-detecting device (7) respectively; The nitrogen inlet (6b) of described gas mixer (6) is connected the second electromagnetic valve (12) with between first throttle valve (4) air extractor duct, and first throttle valve (4) admission port connects source nitrogen (3); The air intake (6a) of described gas mixer (6) be connected the 3rd electromagnetic valve (13) between second throttle (5) air extractor duct, second throttle (5) admission port connects storage tank (2), the Air compressor (1) of connecting successively; The mixture gas of described gas mixer (6) detects between mouth (6c) and the gas-detecting device admission port (7a) of gas-detecting device (7) and is connected with the first electromagnetic valve (11); The signal output part (9a) of the circuit control device (9) with touch-screen connects Air compressor (1), gas-detecting device signal input part (7b), vacuum pump (8), the first electromagnetic valve (11) respectively to the connection terminal of the 6th electromagnetic valve (16): the signal input part (9b) of the circuit control device (9) of band touch-screen connects gas-detecting device signal output part (7c); Circuit control device (9) with touch-screen connects source of AC (10).
2. according to a kind of controlled atmosphere control setup to preserving fruit and vegetable utilizing in freshness protection package described in claim 1, it is characterized in that, described gas mixer (6) is stored air and nitrogen pressure container, bottom is provided with air intake (6a) and nitrogen inlet (6b) with symmetric form, top is connected with the gas pipe line of T-shape structure, and two ends are respectively mixture gas and detect mouth (6c) and mixed gas outlet (6d).
3. according to a kind of controlled atmosphere control setup to preserving fruit and vegetable utilizing in freshness protection package described in claim 1, it is characterized in that, described freshness protection package (17) is transparent flat mouth plastic bag.
4., according to a kind of described in claim 1 technique of the controlled atmosphere control setup to preserving fruit and vegetable utilizing in freshness protection package, it is characterized in that, described processing step is as follows:
(1). open source nitrogen;
(2). loaded by fruits and vegetables in freshness protection package, turnover tracheae and gas detecting tube one end are inserted in freshness protection package air inlet/outlet, tighten freshness protection package air inlet/outlet;
(3). set fruit and vegetable varieties and correlation parameter on the touchscreen: on the touch-screen of the circuit control device of band touch-screen, be set as follows parameter: fruit and vegetable varieties (or preserving fruit and vegetable utilizing requisite oxygen content), to the freshness protection package pumpdown time with to freshness protection package inflationtime;
(4). freshness protection package is vacuumized, fills miscellaneous gas and detection: be with the parameter that the circuit control device of touch-screen sets according to previous step, Air compressor, gas-detecting device, vacuum pump and electromagnetic valve start and stop are controlled respectively according to program, the circuit control device of gas-detecting device and band touch-screen vacuumizes freshness protection package according to setting, fills miscellaneous gas, and detects freshness protection package composition of gases within;
(5). the freshness protection package qualified to gas content and the inferior-quality freshness protection package of gas content process respectively: when the oxygen and carbon dioxide content of freshness protection package after touching screen display and detecting reach its system automatically generate and the preserving fruit and vegetable utilizing oxygen content demonstrated time, extract turnover tracheae and gas detecting tube tighten freshness protection package air inlet/outlet, storeroom transferred to by freshness protection package; When touch the display oxygen and carbon dioxide content of screen display do not reach its system automatically generate and the preserving fruit and vegetable utilizing oxygen content demonstrated time, repeat above-mentioned (3), (4) step operation, until reach preserving fruit and vegetable utilizing gas content qualified till.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410640481.2A CN104443814B (en) | 2014-11-13 | 2014-11-13 | Atmosphere-controlling freshness retaining control device and technology for retaining freshness of fruits and vegetables in storage bag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410640481.2A CN104443814B (en) | 2014-11-13 | 2014-11-13 | Atmosphere-controlling freshness retaining control device and technology for retaining freshness of fruits and vegetables in storage bag |
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| Publication Number | Publication Date |
|---|---|
| CN104443814A true CN104443814A (en) | 2015-03-25 |
| CN104443814B CN104443814B (en) | 2017-01-11 |
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|---|---|---|---|
| CN201410640481.2A Active CN104443814B (en) | 2014-11-13 | 2014-11-13 | Atmosphere-controlling freshness retaining control device and technology for retaining freshness of fruits and vegetables in storage bag |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914034A (en) * | 2015-05-19 | 2015-09-16 | 昆明理工大学 | Fruit and vegetable modified atmosphere packaging simulator |
| CN108703214A (en) * | 2018-05-30 | 2018-10-26 | 无锡海核装备科技有限公司 | Vegetables and fruits fresh-keeping warehouse nitrogen charging decompressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2855946Y (en) * | 2005-11-14 | 2007-01-10 | 徐建春 | Vehicle vegetable/fruits storage box with full automatic air conditioner |
| CN103708116A (en) * | 2013-12-26 | 2014-04-09 | 广州标际包装设备有限公司 | Air regulation fresh-keeping box |
| CN204264687U (en) * | 2014-11-13 | 2015-04-15 | 天津森罗科技股份有限公司 | A kind of controlled atmosphere control setup to preserving fruit and vegetable utilizing in freshness protection package |
-
2014
- 2014-11-13 CN CN201410640481.2A patent/CN104443814B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2855946Y (en) * | 2005-11-14 | 2007-01-10 | 徐建春 | Vehicle vegetable/fruits storage box with full automatic air conditioner |
| CN103708116A (en) * | 2013-12-26 | 2014-04-09 | 广州标际包装设备有限公司 | Air regulation fresh-keeping box |
| CN204264687U (en) * | 2014-11-13 | 2015-04-15 | 天津森罗科技股份有限公司 | A kind of controlled atmosphere control setup to preserving fruit and vegetable utilizing in freshness protection package |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914034A (en) * | 2015-05-19 | 2015-09-16 | 昆明理工大学 | Fruit and vegetable modified atmosphere packaging simulator |
| CN108703214A (en) * | 2018-05-30 | 2018-10-26 | 无锡海核装备科技有限公司 | Vegetables and fruits fresh-keeping warehouse nitrogen charging decompressor |
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| Publication number | Publication date |
|---|---|
| CN104443814B (en) | 2017-01-11 |
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