CN208705753U - Gas regulating system of gas regulating container and gas regulating container equipment - Google Patents
Gas regulating system of gas regulating container and gas regulating container equipment Download PDFInfo
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- CN208705753U CN208705753U CN201821762812.XU CN201821762812U CN208705753U CN 208705753 U CN208705753 U CN 208705753U CN 201821762812 U CN201821762812 U CN 201821762812U CN 208705753 U CN208705753 U CN 208705753U
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- 230000001105 regulatory effect Effects 0.000 title claims description 29
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 162
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 82
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 78
- 238000001514 detection method Methods 0.000 claims abstract description 47
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000000605 extraction Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 280
- 238000004320 controlled atmosphere Methods 0.000 claims description 151
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 59
- 229910052760 oxygen Inorganic materials 0.000 claims description 59
- 239000001301 oxygen Substances 0.000 claims description 59
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- 241000790917 Dioxys <bee> Species 0.000 claims description 8
- 238000009470 controlled atmosphere packaging Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 2
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 15
- 238000007906 compression Methods 0.000 abstract description 15
- 239000012528 membrane Substances 0.000 abstract description 13
- 235000012055 fruits and vegetables Nutrition 0.000 abstract description 10
- 238000000926 separation method Methods 0.000 abstract description 9
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000003750 conditioning effect Effects 0.000 abstract 1
- 229960004424 carbon dioxide Drugs 0.000 description 75
- 230000005540 biological transmission Effects 0.000 description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
- 229910002090 carbon oxide Inorganic materials 0.000 description 6
- 239000000284 extract Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000004408 titanium dioxide Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009448 modified atmosphere packaging Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000000222 hyperoxic effect Effects 0.000 description 1
- 230000001146 hypoxic effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003359 percent control normalization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The application relates to a gas conditioning system of a gas-conditioned container and gas-conditioned container equipment, wherein a carbon dioxide detection device can detect the content of carbon dioxide in the gas-conditioned container and obtain corresponding carbon dioxide concentration data; when the carbon dioxide concentration data is greater than or equal to the first preset concentration, starting control signals are sent to the gas compression device and the gas extraction device, gas inside the gas-conditioned container is extracted and compressed after the gas compression device is started and then sent to the inner side of the separation membrane group, meanwhile, the gas extraction device is started and then extracted outside the separation membrane group, so that pressure difference is formed between the inner side and the outer side of the separation membrane group, and gas rich in carbon dioxide is exhausted out of the gas-conditioned container through the gas extraction device. The adjusting system does not need the matching of the activated carbon and corresponding valves thereof, effectively reduces the complexity and energy consumption of the system, and has the advantage of high working reliability compared with the traditional fruit and vegetable fresh-keeping system.
Description
Technical field
This application involves controlled atmosphere technical fields, more particularly to a kind of controlled atmosphere container gas regulating system and controlled atmosphere
Container facility.
Background technique
Controlled atmosphere (Modified Atmosphere Packaging, MAP) is a kind of gas by control fresh-keeping warehouse
Body ingredient delays reserve metabolic processes to inhibit the respiratory capacity of reserve cell, so that the holding of long period is stored up
Quality, mouthfeel and the nutrition etc. of hiding object are basically unchanged, and then reach the technology of long-period freshness preserving.In storing process, fruits and vegetables class storage
Hiding object often relies on the respiration of itself to generate carbon dioxide, and the content of carbon dioxide has the fresh-keeping effect of reserve
There is important influence.
Traditional preserving fruit and vegetable utilizing system inhales the carbon dioxide in repository by using active carbon and corresponding valve member
It is attached, to reduce the content of carbon dioxide, achieve the purpose that extend preserving fruit and vegetable utilizing duration.However, traditional preserving fruit and vegetable utilizing system by
Cause system complex, energy consumption high in component more, and is easy to appear valve member damage.Therefore, traditional preserving fruit and vegetable utilizing system has
The low disadvantage of functional reliability.
Utility model content
Based on this, it is necessary to for traditional low problem of preserving fruit and vegetable utilizing system functional reliability, provide a kind of controlled atmosphere packaging
Case gas regulating system and controlled atmosphere container equipment.
A kind of controlled atmosphere container gas regulating system, the system comprises: seperation film group；It detects inside controlled atmosphere container
Gas concentration lwevel obtains gas concentration lwevel Data Concurrent and send to the carbon dioxide detection device of controller；Receive described two
Carbonoxide concentration data, when the gas concentration lwevel data are greater than or equal to the first preset concentration, to gas compressing apparatus
The controller that device sends starting control signal is detached with gas；According to the starting control signal to controlled atmosphere container inside
Gas is compressed and is delivered to the gas compressing apparatus of the inside of the seperation film group；Signal extraction is controlled according to the starting
The gas of the outer side gas of the seperation film group detaches device；The gas compressing apparatus, the gas detach device, described two
Carbonoxide detection device is separately connected the controller, and the gas compressing apparatus connects the seperation film group, and the gas is taken out
The seperation film group is connected from device, the carbon dioxide detection device and the seperation film group are set in controlled atmosphere container
Portion.
In one embodiment, the system also includes flow control valve and flow control pipeline, the flow control valves
It is set to the flow control pipeline, the flow control pipeline connects the seperation film group.
In one embodiment, the system also includes filter, the gas compressing apparatus by the filter with
The seperation film group connection.
In one embodiment, the system also includes heater, the filter connects the heater, the heating
Device connects the seperation film group, and the heater connects the controller.
In one embodiment, the carbon dioxide detection device is carbon dioxide sensor.
In one embodiment, the system also includes oxygen detection device, intake valve and admission line, the intake valves
It is set to the admission line, one end of the admission line is set to the inside of the controlled atmosphere container, the admission line
One end be set to the outside of the controlled atmosphere container, the oxygen detection device connects the controller, and the controller connects
Connect the intake valve.
In one embodiment, the oxygen detection device is oxygen sensor.
In one embodiment, the gas compressing apparatus be air compressor machine and/or the gas to detach device be vacuum
Pump.
A kind of controlled atmosphere container equipment, the equipment include controlled atmosphere container and controlled atmosphere packaging described in any of the above embodiments
Case gas regulating system, the gas compressing apparatus, the gas detach device and the controller is placed in the controlled atmosphere packaging
The outside of case, the seperation film group and the carbon dioxide detection device are set to the inside of the controlled atmosphere container.
In one embodiment, the equipment further includes baffle, and the baffle plate setting is inside the controlled atmosphere container.
Above-mentioned controlled atmosphere container gas regulating system and controlled atmosphere container equipment, the dioxy being set to inside controlled atmosphere container
The content of carbon dioxide in controlled atmosphere container internal gas can be detected by changing carbon detection device, and obtain corresponding dioxy
Change concentration of carbon data；When gas concentration lwevel data are greater than or equal to the first preset concentration, to gas compressing apparatus and gas
It detaches device and sends starting control signal, by the gas extraction inside controlled atmosphere container and compression after gas compressing apparatus starting
It is sent to the inside of seperation film group afterwards, while gas is detached after device starts and is evacuated on the outside of seperation film group, so that
Seperation film group inner side and outer side forms pressure difference, since the permeable membrane rate of the permeable membrane speed ratio oxygen of carbon dioxide is fast, is rich in dioxy
The gas for changing carbon detaches device by gas and is discharged outside controlled atmosphere container, and controlled atmosphere container goods inside guarantor has effectively been turned up
The fresh time.Above-mentioned controlled atmosphere container gas regulating system and controlled atmosphere container equipment do not need active carbon and its corresponding valve member is matched
It closes, significantly reduces the complexity and energy consumption of system, have functional reliability high compared with traditional preserving fruit and vegetable utilizing system
The advantages of.
Detailed description of the invention
Fig. 1 is controlled atmosphere container gas regulating system structural schematic diagram in an embodiment；
Fig. 2 is controlled atmosphere container gas regulating system structural schematic diagram in another embodiment；
Fig. 3 is controlled atmosphere container device structure schematic diagram in an embodiment.
Specific embodiment
The application in order to facilitate understanding is described more fully the application below with reference to relevant drawings.In attached drawing
Give the preferred embodiment of the application.But the application can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to disclosure of this application more saturating
It is thorough comprehensive.
Referring to Fig. 1, a kind of controlled atmosphere container gas regulating system, comprising: seperation film group 500；Detect controlled atmosphere container
Internal gas concentration lwevel, obtains gas concentration lwevel Data Concurrent and send to the carbon dioxide detection device of controller 100
200；Gas concentration lwevel data are received, when gas concentration lwevel data are greater than or equal to the first preset concentration, to gas pressure
Compression apparatus 300 and gas detach the controller 100 that device 400 sends starting control signal；According to starting control signal to controlled atmosphere
The gas of internal container is compressed and is delivered to the gas compressing apparatus 300 of the inside of seperation film group 500；It is controlled according to starting
The gas of the outer side gas of signal extraction seperation film group 500 processed detaches device 400；Gas compressing apparatus 300, gas detach device
400, carbon dioxide detection device 200 is separately connected controller 100, and gas compressing apparatus 300 connects seperation film group 500, gas
It detaches device 400 and connects seperation film group 500, carbon dioxide detection device 200 and seperation film group 500 are set in controlled atmosphere container
Portion.
Specifically, gas concentration lwevel data pass through the carbon dioxide detection device 200 that is set to inside controlled atmosphere container
Gas concentration lwevel inside controlled atmosphere container is detected to obtain.Carbon dioxide detection device 200 is to detect titanium dioxide
The device of concentration of carbon, in one embodiment, carbon dioxide detection device 200 are carbon dioxide sensor, according to working principle
Infrared carbon dioxide sensor, catalysis carbon dioxide sensor and heat transfer carbon dioxide sensor etc. can be divided into, wherein red
Outer carbon dioxide sensor detects the carbon dioxide in air using non-dispersive infrared principle；It is catalyzed carbon dioxide sensing
The gas concentration lwevel that device can will test is converted to the current signal output of standard 4mA-20mA；And heat transfer carbon dioxide
Sensor is made according to the principle that total thermal coefficient of mixed gas changes with the difference of carbon dioxide content.What is specifically used
The carbon dioxide sensor of kind form can make different selections according to the actual situation, as long as being able to detect to obtain two in air
The concentration data of carbonoxide is simultaneously sent to controller 100.It should be pointed out that in one embodiment, for the ease of right
Gas concentration lwevel inside controlled atmosphere container is detected, and carbon dioxide detection device 200 can be set to controlled atmosphere packaging
Position of the inside of case close to controlled atmosphere container bottom.It is appreciated that in other embodiments, carbon dioxide detection device 200
The other positions that can also be set to inside controlled atmosphere container equally can be realized dense to the carbon dioxide inside controlled atmosphere container
Degree is detected.
Starting control signal for control gas compressing apparatus 300 to the gas inside controlled atmosphere container carry out compression and it is defeated
It send to 500 inside of seperation film group of controlled atmosphere container, control gas detaches the seperation film group that device 400 extracts controlled atmosphere container
The gas in 500 outsides.Gas concentration lwevel data inside controlled atmosphere container are greater than or equal to the first preset concentration data, i.e. table
Show that the gas concentration lwevel inside controlled atmosphere container is excessively high, is unfavorable for the reserve inside controlled atmosphere container at this time and protects for a long time
It is fresh, it needs for carbonated gas rich inside controlled atmosphere container to be discharged outside controlled atmosphere container, it is dense to reduce carbon dioxide
Degree achievees the purpose that reserve is fresh-keeping for a long time.Controller 100 receives the titanium dioxide of the transmission of carbon dioxide detection device 200
It after concentration of carbon data, is compared in real time with the first preset concentration, when the received gas concentration lwevel data of institute are greater than or wait
After the first preset concentration, 100 gas compressing apparatus 300 of controller and gas detach device 400 and send starting control signal.Gas
The gas access of body compression set 300 is extended to inside controlled atmosphere container by pipeline, when receive controller 100 transmission open
The air inside controlled atmosphere container can be extracted out and be compressed by gas compressing apparatus 300 after dynamic control signal, be then sent to
The seperation film group 500 of controlled atmosphere container.Seperation film group 500 is a sealing modular structure, and the inner side and outer side of seperation film group 500 is logical
It crosses seperation film to separate, inner side and outer side all has certain space, to store gas.Gas detaches the air inlet of device 400
Mouth extends to 500 outside of seperation film group by pipeline, and the gas outlet that gas detaches device 400 extends to controlled atmosphere packaging by pipeline
Outside case.It detaches device 400 using gas to be evacuated in the outside of seperation film group 500, so that 500 inside of seperation film group is with outside
Side forms pressure difference, and the gas of 500 inside of seperation film group can be to 500 movement outside of seperation film group under the action of pressure difference.Due to two
The permeable membrane rate of the permeable membrane speed ratio oxygen of carbonoxide is fast, and rich carbonated gas can be through separation under the action of pressure difference
Film enters 500 outside of seperation film group, and the outlet for detaching device 400 after device 400 extracts by gas is then detached by gas
Mouth is transported to outside controlled atmosphere container.
First preset concentration is gas concentration lwevel threshold value corresponding when reserve can insure for a long time, works as dioxy
Changing, which will be unable to when concentration of carbon is more than the threshold value, realizes that long-time is fresh-keeping.It is appreciated that can be by first for different reserves
Preset concentration is set as different numerical value.In one embodiment, the first preset concentration includes target gas concentration lwevel Tco2
Part and width difference N1Part, preset first concentration be target gas concentration lwevel and width difference and, as Tco2+N1, work as dioxy
Change the gas concentration lwevel data that carbon detection device 200 is sent and is greater than Tco2+N1When, controller 100 will be to gas compressing apparatus
300 and gas detach device 400 send starting control instruction.For example, in one embodiment, target gas concentration lwevel is set
It is set to 5%, width difference is set as 1%, will be to gas pressure when the received gas concentration lwevel data of controller 100 are greater than 6%
Compression apparatus 300 and gas detach device 400 and send starting control instruction.It, can be with it should be pointed out that in one embodiment
Be when the received gas concentration lwevel data of controller 100 be equal to the first preset concentration data when, also can be to gas compressing apparatus
300 and gas detach device 400 send starting control instruction.
In one embodiment, when gas concentration lwevel data be less than or equal to the second preset concentration when, controller 100 to
Gas compressing apparatus 300 and gas detach device 400 and send shutdown control signal.
Specifically, shutdown control signal is used to control gas compressing apparatus 300 and gas detaches device 400 and stops working.
When gas concentration lwevel data are greater than or equal to the first preset concentration, controller 100 is taken out to gas compressing apparatus 300 and gas
After sending starting control signal from device 400, gas compressing apparatus 300 constantly extracts the gas inside controlled atmosphere container simultaneously out
Compression transmission to seperation film group 500 carries out carbon dioxide separation, and in the gas inside controlled atmosphere container, the concentration of carbon dioxide will
It can constantly reduce.In this process, carbon dioxide detection device 200 in real time will be two in the gas inside controlled atmosphere container
Carbonoxide concentration data detects and is sent to controller 100, and controller 100 compares and analyzes, when gas concentration lwevel data
When less than the second preset concentration, illustrate that the gas concentration lwevel of controlled atmosphere container internal gas at this time has met the length of reserve
Time storage requirements.In order to save the energy, controller 100 will detach the transmission of device 400 to gas compressing apparatus 300 and gas
Shutdown control signal, controls gas compressing apparatus 300 and gas detaches device 400 and stops working.
It should be pointed out that in one embodiment, the second preset concentration is the difference of target gas concentration lwevel and width difference
Value, i.e. the second preset concentration are Tco2-N1, when the gas concentration lwevel data that carbon dioxide detection device 200 is sent are less than or wait
In Tco2-N1When, controller 100 will detach device 400 to gas compressing apparatus 300 and gas and send shutdown control instruction.Example
Such as, in one embodiment, 5% is set by target gas concentration lwevel, width difference is set as 1%, when controller 100 is received
Gas concentration lwevel data will detach device 400 to gas compressing apparatus 300 and gas and send shutdown when being less than or equal to 4%
Control instruction.In one embodiment, it can also be and preset when the received gas concentration lwevel data of controller 100 are equal to second
When concentration data, device 400 can be also detached to gas compressing apparatus 300 and gas and sends shutdown control instruction.
Further, in one embodiment, the first preset concentration and the second preset concentration can also be two it is identical
Numerical value, such as the first preset concentration and the second preset concentration are TCO2, i.e., when gas concentration lwevel data are greater than TCO2When, control
Device 100 detaches device 400 to gas compressing apparatus 300 and gas and sends starting control signal, so that rich carbonated gas
Body is discharged to outside controlled atmosphere container.With the reduction of controlled atmosphere container inner silica concentration of carbon, gas concentration lwevel data
T can gradually be tended toCO2, when less than or equal to TCO2When, controller 100 will detach device to gas compressing apparatus 300 and gas
400 send shutdown control signal, control gas compressing apparatus 300 and gas detaches device 400 and stops working, stop to controlled atmosphere collection
The adjustment of gas concentration lwevel inside vanning.
Referring to Fig. 2, in one embodiment, controlled atmosphere container gas regulating system further includes 600 He of flow control valve
Flow control pipeline 610, flow control valve 600 are set to flow control pipeline 610, and flow control pipeline 610 connects seperation film
Group 500.
Specifically, the inside of seperation film group 500 is also connected with flow control pipeline 610, and flow control pipeline 610 is provided with
Flow control valve 600.Gas after the compression of gas compressing apparatus 300 will be enriched in the gas of carbon dioxide through seperation film group 500
After being transported to outside controlled atmosphere container, the gas rich in oxygen of 500 remaining inside of seperation film group, it will warp and seperation film group
The flow control pipeline 610 of 500 inside connection is discharged.Flow control valve 600, flow are provided on flow control pipeline 610
Control valve 600 connects controller 100, and controller 100 is carried out according to aperture of the pressure after the valve of flow control valve 600 to valve
It adjusts, thus by the gas after carbon dioxide separation with the hutch of certain rate input controlled atmosphere container.In a reality
It applies in example, after itself valve of the acquisition of flow control valve 600 after pressure, pressure after valve can be sent to controller 100, controlled
Pressure size carries out PID (Proportion Integral to valve opening to device 100 processed after valve based on the received
Derivative, proportional-integral-differential) control, it is discharged with guaranteeing the gas on the inside of seperation film with certain rate.It can manage
Solution can also be that flow control valve 600 carries out aperture regulation according to pressure after itself valve, that is, flow in another embodiment
Control valve 600 has automatic regulation function, such as self-operated flow control valve.
Referring to Fig. 2, in one embodiment, controlled atmosphere container gas regulating system further includes filter 800, gas pressure
Compression apparatus 300 is connect by filter 800 with seperation film group 500.
Specifically, after gas compressing apparatus 300 is compressed the gas inside controlled atmosphere container, by filter 800
Seperation film group 500 is transported to again after being filtered to be separated.Filter 800 can be effective filtered out by compressed air
In the impurity such as oil molecule, liquid water, microorganism, solid particle, dust and fine particle, to guarantee that compressed gas enters
Seperation film group 500 will not result in blockage to seperation film when being separated, and guarantee that rich carbonated gas can be efficient, stable
Ground is discharged outside controlled atmosphere container by seperation film group 500.
Referring to Fig. 2, in one embodiment, controlled atmosphere container gas regulating system further includes heater 700, filter
800 connection heaters 700, heater 700 connect seperation film group 500, and heater 700 connects controller 100.
Specifically, when gas concentration lwevel data are greater than or equal to the first preset concentration, controller 100 can also be to controlled atmosphere
The heater 700 of container sends thermal control signals, and the gas after compressing through gas compressing apparatus 300 is heated to perseverance
Temperature, the inside for being then communicated to seperation film group 500 carry out carbon dioxide separation.It is carried out by air after 700 pairs of heater compressions
Compressed air can be effectively avoided in direct spray because of disconnected thermal expansion, periphery condensation moisture etc. in heating.It should be understood that
, in one embodiment, the compressed air that gas compressing apparatus 300 exports can be heated to 40 DEG C, guarantee to enter and divide
Gas from film group 500 is constant temperature gas, it will be understood that in other embodiments, can also be gas being heated to other temperature
Degree, however it is not limited to 40 DEG C in above-described embodiment, expand or condense moisture as long as can be effectively prevented from when gas sprays
?.
Please continue to refer to Fig. 2, in one embodiment, controlled atmosphere container gas regulating system further includes oxygen detection device
900, intake valve 910 and admission line 920, intake valve 910 are set to admission line 920, and one end of admission line 920 is set to
The inside of controlled atmosphere container, one end of admission line 920 are set to the outside of controlled atmosphere container, and oxygen detection device 900 connects
Controller 100, controller 100 connect intake valve 910.
Specifically, oxygen concentration data are by being set to the oxygen detection device 900 inside controlled atmosphere container to controlled atmosphere collection
Oxygen concentration inside vanning is detected to obtain.Oxygen detection device 900 is the device of oxygen concentration in detection gas, with
Carbon dioxide detection device 200 is similar, can in real time be sent to oxygen concentration data in the gas inside controlled atmosphere container
Controller 100, oxygen concentration data are analyzed and determined controller 100 with preset third concentration based on the received, to control
Intake valve 910 processed is cut-off.It should be pointed out that in one embodiment, oxygen detection device 900 is oxygen sensor, example
Which kind of oxygen sensor such as ultrasonic wave oxygen sensor specifically uses, can be selected according to the actual situation, as long as can
Oxygen concentration in the internal gas of controlled atmosphere container is detected in real time, and oxygen concentration data are sent to controller
100.
After the oxygen concentration data of controlled atmosphere container are sent to controller 100 in real time by oxygen detection device 900, control
When device 100 processed judges that oxygen concentration data are less than or equal to third preset concentration, it will sent to intake valve 910 and open control letter
Number, intake valve 910 is opened.It should be pointed out that one end of intake valve 910 extends to controlled atmosphere packaging by admission line 920
Outside the cabinet of case, one end of intake valve 910 extends to the box house of controlled atmosphere container by admission line 920, works as oxygen
When concentration data is less than or equal to third preset concentration, intake valve 910 is opened, and controlled atmosphere container can carry out gas friendship with outside
It changes, outside the low gas discharge controlled atmosphere container of internal oxygen concentration, while the highly concentrated gas of external oxygen being delivered to
Inside controlled atmosphere container, to improve the concentration of oxygen in controlled atmosphere container internal gas.In one embodiment, third is default
Concentration is aimed oxygen concn To2With width difference N2Difference, i.e., third preset concentration be To2-N2, when the received oxygen of controller 100
Gas concentration data are less than To2-N2When, controller 100 sends opening control signal to intake valve 910.For example, in one embodiment
In, aimed oxygen concn To2It is 4%, width difference N2It is 1%, when the received oxygen concentration data of controller 100 are less than 3%, control
Device 100 processed will send opening control signal to intake valve 910.It should be pointed out that in one embodiment, working as controller
When 100 received oxygen concentration data are equal to third preset concentration, equally opening control signal can be sent to intake valve 910.When
When oxygen concentration is less than third preset concentration in the internal gas of controlled atmosphere container, controller 100 can control intake valve 910 and hold
It opens, the low gas of internal oxygen content is discharged, the highly concentrated gas input of external oxygen can increase inside controlled atmosphere container
Oxygen content, be effectively guaranteed the storage duration of reserve.
In one embodiment, it when oxygen concentration data are greater than or equal to four preset concentrations, is sent to intake valve 910
Closing control signal.Specifically, closing control signal stops gas and enters inside controlled atmosphere container for closing intake valve 910.
After controller 100 sends opening control signal to intake valve 910, intake valve 910 is in the open state, outside controlled atmosphere container
While hypoxic gas carries out gas exchanges inside the hyperoxic gas in portion and controlled atmosphere container, oxygen detection device
Oxygen concentration data in gas inside controlled atmosphere container can be also sent to controller 100 in real time by 900 to be analyzed and determined,
When oxygen concentration data are greater than or equal to default four concentration, controller 100 will send to intake valve 910 and close control letter
Number, control intake valve 910 is closed, and the gas exchange inside and outside controlled atmosphere container is stopped.In one embodiment, the 4th preset concentration
For aimed oxygen concn To2With width difference N2Sum, i.e., third preset concentration be To2+N2, when the received oxygen concentration of controller 100
Data are greater than To2+N2When, controller 100 sends closing control signal to intake valve 910.For example, in one embodiment, target
Oxygen concentration To2It is 4%, width difference N2It is 1%, when the received oxygen concentration data of controller 100 are greater than 5%, controller 100
Closing control signal will be sent to intake valve 910.It should be pointed out that in one embodiment, when controller 100 is received
When oxygen concentration data are equal to four preset concentrations, equally closing control signal can be sent to intake valve 910.
Similarly, in one embodiment, third preset concentration and the 4th preset concentration can also be two identical numbers
Value, for example, third preset concentration and the 4th preset concentration are To2, i.e., when oxygen concentration data are less than To2When, controller 100
Opening control signal is sent to intake valve 910, intake valve 910 is opened, and allows gas and outside inside controlled atmosphere container
Gas carries out gas exchanges, to increase the oxygen concentration inside controlled atmosphere container.With controlled atmosphere container internal oxygen concentration
Increase, oxygen concentration data can gradually tend to To2, when more than or equal to To2When, controller 100 sends to intake valve 910 and closes
Signal is controlled, the adjustment to the oxygen concentration inside controlled atmosphere container is stopped.
Further, in one embodiment, gas compressing apparatus 300 is air compressor machine (i.e. air air compressor machine), air compressor machine
It is the equipment conveyed after one kind can be compressed the gas of input.In one embodiment, gas detaches device 400
For vacuum pump, vacuum pump is a kind of to be obtained using machinery, physics, chemically or physically chemical method to being evacuated by pumping container
Obtain the device or equipment of vacuum.Effectively the gas inside controlled atmosphere container can be pressed using air compressor machine and vacuum pump
Contracting, while can be realized the outer side gas extraction to seperation film group 500, have the advantages that easy to accomplish.
Above-mentioned controlled atmosphere container gas regulating system, the carbon dioxide detection device 200 being set to inside controlled atmosphere container
The content of carbon dioxide in controlled atmosphere container internal gas can be detected, and obtain corresponding gas concentration lwevel number
According to；When gas concentration lwevel data are greater than or equal to the first preset concentration, device is detached to gas compressing apparatus 300 and gas
400 send starting control signal, and gas compressing apparatus 300 will be after the gas extraction inside controlled atmosphere container and compression after starting
It is sent to the inside of seperation film group 500, while gas is detached after device 400 starts and taken out in the outside of seperation film group 500
Gas, so that 500 inner side and outer side of seperation film group forms pressure difference, due to the permeable membrane rate of the permeable membrane speed ratio oxygen of carbon dioxide
Fastly, rich carbonated gas detaches device 400 by gas and is discharged outside controlled atmosphere container, and controlled atmosphere collection has effectively been turned up
Vanning goods inside fresh keeping time.Above-mentioned controlled atmosphere container gas regulating system does not need active carbon and its corresponding valve member is matched
It closes, significantly reduces the complexity and energy consumption of system, have functional reliability high compared with traditional preserving fruit and vegetable utilizing system
The advantages of.
Referring to Fig. 3, a kind of controlled atmosphere container equipment, the controlled atmosphere container including controlled atmosphere container 10 and any of the above-described
Gas regulating system, gas compressing apparatus 300, gas detach device 400 and controller 100 is placed in the outer of controlled atmosphere container 10
Portion, seperation film group 500 and carbon dioxide detection device 200 are set to the inside of controlled atmosphere container 10.
Specifically, gas concentration lwevel data are by the carbon dioxide detection device 200 of controlled atmosphere container to controlled atmosphere packaging
Gas concentration lwevel inside case is detected to obtain.Carbon dioxide detection device 200 is to detect the dress of gas concentration lwevel
It sets, in one embodiment, carbon dioxide detection device 200 is carbon dioxide sensor, can be divided into according to working principle red
Outer carbon dioxide sensor is catalyzed carbon dioxide sensor and heat transfer carbon dioxide sensor etc., wherein infrared carbon dioxide
Sensor detects the carbon dioxide in air using non-dispersive infrared principle；Catalysis carbon dioxide sensor can will be examined
The gas concentration lwevel measured is converted to the current signal output of standard 4mA-20mA；And heat transfer carbon dioxide sensor according to
The principle that total thermal coefficient of mixed gas changes with the difference of carbon dioxide content is made.Specifically use the two of which kind of form
Oxidation carbon sensor can make different selections according to the actual situation, as long as being able to detect to obtain the dense of Carbon Dioxide in Air
Degree Data Concurrent is sent to controller 100.
Starting control signal for control gas compressing apparatus 300 to the gas inside controlled atmosphere container carry out compression and it is defeated
It send to 500 inside of seperation film group of controlled atmosphere container, control gas detaches the seperation film group that device 400 extracts controlled atmosphere container
The gas in 500 outsides.Gas concentration lwevel data inside controlled atmosphere container are greater than or equal to the first preset concentration data, i.e. table
Show that the gas concentration lwevel inside controlled atmosphere container is excessively high, is unfavorable for the reserve inside controlled atmosphere container at this time and protects for a long time
It is fresh, it needs for carbonated gas rich inside controlled atmosphere container to be discharged outside controlled atmosphere container, it is dense to reduce carbon dioxide
Degree achievees the purpose that reserve is fresh-keeping for a long time.Controller 100 receives the titanium dioxide of the transmission of carbon dioxide detection device 200
It after concentration of carbon data, is compared in real time with the first preset concentration, when the received gas concentration lwevel data of institute are greater than or wait
After the first preset concentration, controller 100 detaches device 400 to gas compressing apparatus 300 and gas and sends starting control signal.
Gas compressing apparatus 300 is air compressor, is the equipment conveyed after one kind can be compressed the gas of input；
The gas access of gas compressing apparatus 300 is extended to inside controlled atmosphere container by pipeline, when receive controller 100 transmission
The air inside controlled atmosphere container can be extracted out and be compressed by gas compressing apparatus 300 after starting control signal, then be conveyed
To the seperation film group 500 of controlled atmosphere container.Seperation film group 500 is a sealing modular structure, the inner side and outer side of seperation film group 500
It is separated by seperation film, inner side and outer side all has certain space, to store gas；It is one that gas, which detaches device 400,
Kind using machinery, physics, chemically or physically chemistry method to the device or equipment for being evacuated and being obtained vacuum by pumping container,
The air inlet that gas detaches device 400 extends to 500 outside of seperation film group by pipeline, and gas detaches the gas outlet of device 400
It is extended to outside controlled atmosphere container by pipeline.Device 400 is detached using gas to be evacuated in the outside of seperation film group 500,
So that 500 inner side and outer side of seperation film group forms pressure difference, the gas of 500 inside of seperation film group can be to separation under the action of pressure difference
500 movement outside of film group.Since the permeable membrane rate of the permeable membrane speed ratio oxygen of carbon dioxide is fast, two are rich under the action of pressure difference
The gas of carbonoxide can enter 500 outside of seperation film group through seperation film, then detached after device 400 extracts and pass through by gas
The gas outlet that gas detaches device 400 is transported to outside controlled atmosphere container.
When gas concentration lwevel data are greater than or equal to the first preset concentration, controller 100 is to gas compressing apparatus 300
After detaching the transmission starting control signal of device 400 with gas, gas compressing apparatus 300 is constantly by the gas inside controlled atmosphere container
Body extraction and compression transmission to seperation film group 500 carries out carbon dioxide separation, in the gas inside controlled atmosphere container, carbon dioxide
Concentration will constantly reduce.In this process, carbon dioxide detection device 200 in real time will be inside controlled atmosphere container
Carbon dioxide in gas concentration data detects and is sent to controller 100, and controller 100 compares and analyzes, and works as carbon dioxide
When concentration data is less than the second preset concentration, illustrate that the gas concentration lwevel of controlled atmosphere container internal gas at this time has met storage
Hide the long-time storage requirements of object.In order to save the energy, controller 100 will detach dress to gas compressing apparatus 300 and gas
400 transmissions shutdown control signal is set, gas compressing apparatus 300 is controlled and gas detaches device 400 and stops working.
In one embodiment, controlled atmosphere container equipment further includes baffle, and baffle plate setting is inside controlled atmosphere container.
Specifically, it is additionally provided with baffle 12 inside controlled atmosphere container 10, is divided into controlled atmosphere container 10 by baffle 12
Two individual spaces, wherein seperation film group 500, carbon dioxide sensor are arranged in a space, and another space is as storage
Room, for storing cargo.The inside of seperation film group 500 extends to storeroom by flow control pipeline 610, when rich in titanium dioxide
After the gas of carbon is delivered to outside controlled atmosphere container by seperation film group 500, residual gas is delivered to storage by the conduit
Room, the long-time for storing cargo are fresh-keeping.
Above-mentioned controlled atmosphere container equipment, the carbon dioxide detection device 200 being set to inside controlled atmosphere container can be to gas
The content for assembling carbon dioxide in vanning internal gas is detected, and obtains corresponding gas concentration lwevel data；Work as dioxy
When changing concentration of carbon data more than or equal to the first preset concentration, the transmission of device 400 is detached to gas compressing apparatus 300 and gas and is opened
Dynamic control signal, gas compressing apparatus 300 will be sent to point after starting after the gas extraction inside controlled atmosphere container and compression
Inside from film group 500, while gas is detached after device 400 starts and is evacuated in the outside of seperation film group 500, makes score
Pressure difference is formed from 500 inner side and outer side of film group, since the permeable membrane rate of the permeable membrane speed ratio oxygen of carbon dioxide is fast, is rich in dioxy
The gas for changing carbon detaches device 400 by gas and is discharged outside controlled atmosphere container, and goods inside controlled atmosphere container has effectively been turned up
Object fresh keeping time.Above-mentioned controlled atmosphere container equipment does not need active carbon and its cooperation of corresponding valve member, significantly reduces system
Complexity and energy consumption, have the advantages that functional reliability is high compared with traditional preserving fruit and vegetable utilizing system.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to claim therefore cannot be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of controlled atmosphere container gas regulating system, which is characterized in that the system comprises:
Seperation film group；
The gas concentration lwevel inside controlled atmosphere container is detected, gas concentration lwevel Data Concurrent is obtained and send to the dioxy of controller
Change carbon detection device；
The gas concentration lwevel data are received, when the gas concentration lwevel data are greater than or equal to the first preset concentration,
The controller that device sends starting control signal is detached to gas compressing apparatus and gas；
The gas inside controlled atmosphere container is compressed according to starting control signal and is delivered to the seperation film group
The gas compressing apparatus of inside；
Device is detached according to the gas of the outer side gas of seperation film group described in the starting control signal extraction；
The gas compressing apparatus, the gas detach device, the carbon dioxide detection device is separately connected the controller,
The gas compressing apparatus connects the seperation film group, and the gas detaches device and connects the seperation film group, the titanium dioxide
Carbon detection device and the seperation film group are set to inside controlled atmosphere container.
2. controlled atmosphere container gas regulating system according to claim 1, which is characterized in that the system also includes flows
Control valve and flow control pipeline, the flow control valve are set to the flow control pipeline, and the flow control pipeline connects
Connect the seperation film group.
3. controlled atmosphere container gas regulating system according to claim 1, which is characterized in that the system also includes filterings
Device, the gas compressing apparatus are connect by the filter with the seperation film group.
4. controlled atmosphere container gas regulating system according to claim 3, the system also includes heater, the filtering
Device connects the heater, and the heater connects the seperation film group, and the heater connects the controller.
5. controlled atmosphere container gas regulating system according to claim 1, which is characterized in that the carbon dioxide detection dress
It is set to carbon dioxide sensor.
6. controlled atmosphere container gas regulating system according to claim 1, which is characterized in that the system also includes oxygen
Detection device, intake valve and admission line, the intake valve are set to the admission line, one end setting of the admission line
In the inside of the controlled atmosphere container, one end of the admission line is set to the outside of the controlled atmosphere container, the oxygen
Detection device connects the controller, and the controller connects the intake valve.
7. controlled atmosphere container gas regulating system according to claim 6, which is characterized in that the oxygen detection device is
Oxygen sensor.
8. controlled atmosphere container gas regulating system according to claim 1, which is characterized in that the gas compressing apparatus is
It is vacuum pump that air compressor machine and/or the gas, which detach device,.
9. a kind of controlled atmosphere container equipment, which is characterized in that the equipment includes controlled atmosphere container and claim 1-8 any
Controlled atmosphere container gas regulating system described in, the gas compressing apparatus, the gas detach device and the controller
It is placed in the outside of the controlled atmosphere container, the seperation film group and the carbon dioxide detection device are set to the controlled atmosphere packaging
The inside of case.
10. controlled atmosphere container equipment according to claim 9, which is characterized in that the equipment further includes baffle, the gear
Plate is set to inside the controlled atmosphere container.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762812.XU CN208705753U (en) | 2018-10-29 | 2018-10-29 | Gas regulating system of gas regulating container and gas regulating container equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821762812.XU CN208705753U (en) | 2018-10-29 | 2018-10-29 | Gas regulating system of gas regulating container and gas regulating container equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109213241A (en) * | 2018-10-29 | 2019-01-15 | 珠海格力电器股份有限公司 | Gas regulating method and system for gas-regulated container and gas-regulated container equipment |
| CN111806908A (en) * | 2019-04-12 | 2020-10-23 | 开利公司 | Method for controlling atmosphere in refrigerated container |
| CN112358049A (en) * | 2020-11-10 | 2021-02-12 | 中恒新材料科技(山东)有限责任公司 | Membrane bioreactor using special gas separation membrane as substrate filter material and method for treating wastewater by using membrane bioreactor |
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2018
- 2018-10-29 CN CN201821762812.XU patent/CN208705753U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109213241A (en) * | 2018-10-29 | 2019-01-15 | 珠海格力电器股份有限公司 | Gas regulating method and system for gas-regulated container and gas-regulated container equipment |
| CN109213241B (en) * | 2018-10-29 | 2024-02-06 | 珠海格力电器股份有限公司 | Air conditioning container air conditioning method and system and air conditioning container equipment |
| CN111806908A (en) * | 2019-04-12 | 2020-10-23 | 开利公司 | Method for controlling atmosphere in refrigerated container |
| CN111806908B (en) * | 2019-04-12 | 2024-04-16 | 开利公司 | Method for controlling atmosphere in refrigerated container |
| CN112358049A (en) * | 2020-11-10 | 2021-02-12 | 中恒新材料科技(山东)有限责任公司 | Membrane bioreactor using special gas separation membrane as substrate filter material and method for treating wastewater by using membrane bioreactor |
| CN112358049B (en) * | 2020-11-10 | 2023-03-24 | 中恒新材料科技(山东)有限责任公司 | Membrane bioreactor using special gas separation membrane as substrate filter material and method for treating wastewater by using membrane bioreactor |
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