CN104621240B - Minimum gas automaton - Google Patents
Minimum gas automaton Download PDFInfo
- Publication number
- CN104621240B CN104621240B CN201510101159.7A CN201510101159A CN104621240B CN 104621240 B CN104621240 B CN 104621240B CN 201510101159 A CN201510101159 A CN 201510101159A CN 104621240 B CN104621240 B CN 104621240B
- Authority
- CN
- China
- Prior art keywords
- minimum gas
- concentration
- regulating box
- air
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a kind of minimum gas automaton, it is related to Cold Chain Logistics controlled atmosphere technical field, the present invention obtains the current minimum gas concentration in the air regulating box by concentration sensor, the current minimum gas concentration and default minimum gas concentration are compared, and switch on and close described in being controlled according to comparative result, so as to control the concentration of minimum gas in the air regulating box, cost of implementation and power consumption are low, it is simple to operate and control efficiency is high, it is not easy to be limited by fruits and vegetables transport or storage ambient.
Description
Technical field
The present invention relates to Cold Chain Logistics controlled atmosphere technical field, more particularly to a kind of minimum gas automaton.
Background technology
Fruits and vegetables are still one " work ", lived organism after being plucked, realize a series of biochemistry inside it
Reaction, most important of which is that respiration.When transporting fruits and vegetables using Cold Chain Logistics mode of the prior art, often reach
Behind logistics destination, transported fruit and vegetable physiological regulation deterioration is found, when losing serious, bad leaf rate is up to 30%~50%, sternly
Ghost image rings the economic benefit of Cold Chain Logistics industry.
So, it is necessary to the gas componant in fresh-keeping environments be controlled, so as to control fruits and vegetables in fruits and vegetables transport or storage
Breathing, to extend the preserving fruit and vegetable utilizing cycle, and ensure fruit-vegetable quality, but the cost of existing gas componant control device is high, consumption
Can many, complex operation and control efficiency is low, easily transported by fruits and vegetables or storage ambient limited, it is difficult to meet above-mentioned requirements.
The content of the invention
In view of above-mentioned technical problem, it is proposed that the present invention overcomes above mentioned problem or solved at least in part to provide one kind
A kind of certainly minimum gas automaton of above mentioned problem.
The invention provides a kind of minimum gas automaton, described device includes：Controlled atmosphere for placing fruits and vegetables
Case, control circuit and the concentration sensor in the air regulating box, the air regulating box are provided with the air inlet pipe of minimum gas, institute
The breathing that minimum gas is used to control the fruits and vegetables is stated, the air inlet pipe is provided with switch, the control circuit and the concentration
Sensor and switch are connected respectively；
The concentration sensor, for obtaining the current minimum gas concentration in the air regulating box；
The control circuit, for the current minimum gas concentration and default minimum gas concentration to be compared, and
Switch on and close described in being controlled according to comparative result, to control the concentration of minimum gas in the air regulating box.
Wherein, described device also includes：Shell in the air regulating box, the concentration sensor is located at the shell
Interior, the shell is provided with air inlet and gas outlet；
The air inlet of the shell is provided with the first air pump；
And/or,
The gas outlet of the shell is provided with the second air pump.
Wherein, the control circuit includes：Comparing unit and the time relay；
The comparing unit, for the current minimum gas concentration and default minimum gas concentration to be compared, if
The current minimum gas concentration is continuous to be less than default minimum gas concentration in preset time, then opens the switch；
The time relay, the time of the switch is opened for extending the comparing unit.
Wherein, the time relay, is additionally operable to control the opening and closing of first air pump and/or the second air pump.
Wherein, the bottom inside of the air regulating box is provided with least one fan, and direction and the horizontal direction of the fan are in
Predetermined angle.
Wherein, the fan has four, and is respectively arranged on four angles of the bottom inside of the air regulating box.
Wherein, the air inlet pipe is provided with the needle valve for being used for adjusting the minimum gas velocity of liquid assets.
Wherein, the air inlet pipe is connected with the minimum gas feeding unit for supplying the minimum gas.
Wherein, the minimum gas is sulfur dioxide or carbon dioxide.
Wherein, the switch is magnetic valve.
The present invention obtains the current minimum gas concentration in the air regulating box by concentration sensor, will be described current micro
Gas concentration is compared with default minimum gas concentration, and is switched on and closed described in being controlled according to comparative result,
So as to control the concentration of minimum gas in the air regulating box, cost of implementation and consume energy it is low, it is simple to operate and control efficiency is high, do not allow
It is vulnerable to fruits and vegetables transport or the limitation of storage ambient.
Brief description of the drawings
Fig. 1 is the top view of the minimum gas automaton of one embodiment of the present invention；
Fig. 2 be the present embodiment automaton in SO2The curve map of concentration；
Fig. 3 be the present embodiment automaton in SO2The absolute error figure of concentration.
Embodiment
With reference to the accompanying drawings and examples, the embodiment to the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Fig. 1 is the structured flowchart of the minimum gas automaton of one embodiment of the present invention；Reference picture 1, it is described
Device includes：Air regulating box, control circuit and the concentration sensor in the air regulating box for placing fruits and vegetables, the controlled atmosphere
Case is provided with the air inlet pipe of minimum gas, and the minimum gas is for controlling the breathing of the fruits and vegetables (for example：Sulfur dioxide or two
Carbonoxide, can also be other gases certainly), the air inlet pipe is provided with switch (using magnetic valve come real in present embodiment
It is existing, certainly, can also be realized using other modes), the control circuit is connected respectively with the concentration sensor and switch；
The concentration sensor, for obtaining the current minimum gas concentration in the air regulating box；
The control circuit, for the current minimum gas concentration and default minimum gas concentration to be compared, and
Switch on and close described in being controlled according to comparative result, to control the concentration of minimum gas in the air regulating box.
Present embodiment obtains the current minimum gas concentration in the air regulating box by concentration sensor, will be described current
Minimum gas concentration is compared with default minimum gas concentration, and is switched on and closed described in being controlled according to comparative result
Close, so as to control the concentration of minimum gas in the air regulating box, cost of implementation and consume energy it is low, it is simple to operate and control efficiency is high,
It is not readily susceptible to fruits and vegetables transport or the limitation of storage ambient.
Because the gas in air regulating box can have mixing inequality, so as to cause current accessed by the concentration sensor
Minimum gas concentration is inaccurate, to avoid the occurrence of the problem, and alternatively, described device also includes：In the air regulating box
Shell, the concentration sensor is in the shell, and the shell is provided with air inlet and gas outlet；
The air inlet of the shell is provided with the first air pump；
And/or,
The gas outlet of the shell is provided with the second air pump.
It should be noted that before concentration sensor obtains current minimum gas concentration, can by first air pump and/
Or second air pump the gas in the shell is mixed, and then avoid the occurrence of current micro accessed by concentration sensor
The problem of gas concentration is inaccurate.
Breathing due to minimum gas for controlling the fruits and vegetables, its precision is most important, so need to ensure that this is micro
Gas concentration is equal to default minimum gas degree, in addition, it is necessary to when keeping it turned on one section after comparing unit opens the switch
Between, alternatively, the control circuit includes：Comparing unit and the time relay；
The comparing unit, for the current minimum gas concentration and default minimum gas concentration to be compared, if
The current minimum gas concentration is continuous, and in preset time, (preset time can be configured as needed, in present embodiment
Using 5 seconds, certainly, other values are may also be configured to, for example：4 seconds, 6 seconds etc.) it is interior less than default minimum gas concentration, then open institute
State switch；
The time relay, the time of the switch is opened for extending the comparing unit, to cause the switch
Kept it turned in preset time.
For ease of controlling the mixing time of gas in the shell, alternatively, the time relay is additionally operable to control institute
State the opening and closing of the first air pump and/or the second air pump.
To prevent that gas is not mixed also in the shell, then opens the switch by comparing unit, alternatively, only in institute
When stating the first air pump and/or the second air pump in off position, the comparing unit can be just operated, correspondingly, described
One air pump and/or the second air pump are in opening, and the comparing unit can not be operated.
Because the relative molecular mass of minimum gas is typically greater than the gas in the air such as oxygen, nitrogen, so it is micro
Gas would generally be deposited in the bottom of the air regulating box, to cause the effect that gas is mixed in the shell more preferable, further carry
The precision of current minimum gas concentration accessed by the high concentration sensor, alternatively, the bottom inside of the air regulating box is set
There is at least one fan, (predetermined angle can be set the direction of the fan as desired in predetermined angle with horizontal direction
Put, for example：The span of the predetermined angle is set to 10 °~80 °).
It is current micro accessed by the effect and the concentration sensor that gas is mixed in the shell further to improve
The precision of gas concentration, alternatively, the fan have four, and are respectively arranged on four of bottom inside of the air regulating box
Angle.
For ease of the minimum gas velocity of liquid assets is adjusted as needed, and reduce the pressure of the air inlet pipe,
Alternatively, the air inlet pipe is provided with the needle valve for being used for adjusting the minimum gas velocity of liquid assets.
For ease of supplying minimum gas to the air regulating box, alternatively, the air inlet pipe supplies the trace gas with being used for
The minimum gas feeding unit connection of body.
Embodiment
To control fresh-keeping gas (i.e. minimum gas) SO during kyoto grape Cold Chain Logistics2It is cold at 0 DEG C exemplified by concentration
12kg kyoto grapes are placed respectively in 4 air regulating box in storehouse, and fresh-keeping gas is strict controlled in by device as shown in Figure 1
2 months under the conditions of 10ppm.
Fig. 2 be the present embodiment automaton in SO2The curve map of concentration；Fig. 3 is automatically controlling for the present embodiment
SO in device2The absolute error figure of concentration, every other day detects a SO2 concentration, continuous detection 2 months can from Fig. 2
SO2 concentration can effectively be automatically controlled by going out the present invention, and obtained SO2 concentration is wherein automatically controlled in real process and is controlled with plan
The maximum absolute error of the SO2 concentration of system is 1.2%, for controlling the gas concentration of ppm ranks, can be good at meeting
In being actually needed, and it is simple to operate, and cost is small.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, about the common of technical field
Technical staff, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore all
Equivalent technical scheme falls within scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (7)
1. a kind of minimum gas automaton, it is characterised in that described device includes：For place fruits and vegetables air regulating box,
Circuit and the concentration sensor in the air regulating box are controlled, the air regulating box is provided with the air inlet pipe of minimum gas, described
Minimum gas is used for the breathing for controlling the fruits and vegetables, and the air inlet pipe is passed provided with switch, the control circuit with the concentration
Sensor and switch are connected respectively；
The concentration sensor, for obtaining the current minimum gas concentration in the air regulating box；
The control circuit, for the current minimum gas concentration and default minimum gas concentration to be compared, and according to
Comparative result come control it is described switch on and close, to control the concentration of minimum gas in the air regulating box；
Described device also includes：Shell in the air regulating box, the concentration sensor is described outer in the shell
Shell is provided with air inlet and gas outlet；
The air inlet of the shell is provided with the first air pump；
And/or,
The gas outlet of the shell is provided with the second air pump；
The control circuit includes the time relay, and the time relay is used to control first air pump and/or the second gas
The opening and closing of pump；
The control circuit also includes：Comparing unit；
The comparing unit, for the current minimum gas concentration and default minimum gas concentration to be compared, if described
Current minimum gas concentration is continuous to be less than default minimum gas concentration in preset time, then opens the switch；
The time relay, the time of the switch is opened for extending the comparing unit.
2. device as claimed in claim 1, it is characterised in that the bottom inside of the air regulating box is provided with least one fan,
The direction of the fan is in predetermined angle with horizontal direction.
3. device as claimed in claim 2, it is characterised in that the fan has four, and is respectively arranged on the air regulating box
Bottom inside four angles.
4. such as device according to any one of claims 1 to 3, it is characterised in that the air inlet pipe, which is provided with, to be used to adjust institute
State the needle valve of minimum gas velocity of liquid assets.
5. device as claimed in claim 4, it is characterised in that the air inlet pipe supplies the micro of the minimum gas with being used for
Gas supply unit is connected.
6. device as claimed in claim 4, it is characterised in that the minimum gas is sulfur dioxide or carbon dioxide.
7. such as device according to any one of claims 1 to 3, it is characterised in that the switch is magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510101159.7A CN104621240B (en) | 2015-03-06 | 2015-03-06 | Minimum gas automaton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510101159.7A CN104621240B (en) | 2015-03-06 | 2015-03-06 | Minimum gas automaton |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104621240A CN104621240A (en) | 2015-05-20 |
| CN104621240B true CN104621240B (en) | 2017-10-10 |
Family
ID=53200890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510101159.7A Active CN104621240B (en) | 2015-03-06 | 2015-03-06 | Minimum gas automaton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104621240B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159264B (en) * | 2015-09-14 | 2017-12-12 | 上海交通大学 | A kind of intelligent control method of volatile aroma |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201603565U (en) * | 2009-09-07 | 2010-10-13 | 杭州屹石科技有限公司 | Controlled atmosphere refreshing experiment box |
| CN201630193U (en) * | 2009-08-05 | 2010-11-17 | 云南茂昽实业有限责任公司 | Negative-pressure cold-storage air-conditioning device for guaranteeing quality and preserving freshness of tricholoma matsutake |
| CN103283824A (en) * | 2013-06-05 | 2013-09-11 | 山东理工大学 | Automatic high oxygen atmosphere preservation experiment device for fruits and vegetables |
| CN104244704A (en) * | 2012-02-24 | 2014-12-24 | 范阿梅龙根气体控制技术公司 | Method and apparatus for controlling the atmosphere in a space filled with agricultural or horicultural products |
-
2015
- 2015-03-06 CN CN201510101159.7A patent/CN104621240B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201630193U (en) * | 2009-08-05 | 2010-11-17 | 云南茂昽实业有限责任公司 | Negative-pressure cold-storage air-conditioning device for guaranteeing quality and preserving freshness of tricholoma matsutake |
| CN201603565U (en) * | 2009-09-07 | 2010-10-13 | 杭州屹石科技有限公司 | Controlled atmosphere refreshing experiment box |
| CN104244704A (en) * | 2012-02-24 | 2014-12-24 | 范阿梅龙根气体控制技术公司 | Method and apparatus for controlling the atmosphere in a space filled with agricultural or horicultural products |
| CN103283824A (en) * | 2013-06-05 | 2013-09-11 | 山东理工大学 | Automatic high oxygen atmosphere preservation experiment device for fruits and vegetables |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104621240A (en) | 2015-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2078458B1 (en) | Device for controlling the gas medium inside a container | |
| TWI434730B (en) | Shipping container ozonation system | |
| EP3240979B1 (en) | Method for controlling, transport unit | |
| AU621391B2 (en) | Controlled environment transportation of respiring comestibles | |
| US10905141B2 (en) | Controlled atmosphere system and method for controlling the same | |
| US7866258B2 (en) | Apparatus for controlling the composition of gases within a container | |
| JPS62131170A (en) | Transportable refrigerating container | |
| US10966445B2 (en) | Systems and methods for food dehydration and optimization of organismal growth and quality of organismal products | |
| CN104621240B (en) | Minimum gas automaton | |
| CN102812991A (en) | Movable physical fresh-keeping storehouse | |
| US10905994B2 (en) | Atmosphere control for cargo storage spaces | |
| CN102587714A (en) | Spontaneous type controlled atmosphere storage for preservation of fruits and vegetables | |
| CN104407585A (en) | Control device of fruit and vegetable air-conditioning fresh-keeping box | |
| US20170265500A1 (en) | Process and Equipment to Increase the Storage Time of Liquid Raw Food | |
| US20190098910A1 (en) | Atmosphere control device, requiring minimum intervention for installation in refrigerated containers, said device being a standalone, compact and reusable device comprising a long cylindrical body, a battery area, an electronics area, a handling area, a cover area, and a gas exchange area | |
| CN204302770U (en) | A kind of control device of fruit and vegetable air-conditioning preservation box | |
| US20210076693A1 (en) | Transport container with gas selective membrane exhaust | |
| EP3486191B1 (en) | Hatch device comprising a main body supporting a flow guiding part | |
| CN214854035U (en) | Air-conditioning and fresh-keeping integrated machine | |
| CN102566611A (en) | Gas regulation control method of spontaneous controlled atmosphere storage | |
| CN105166025A (en) | Monitoring method in the preservation of fruits and vegetables | |
| CN105183020A (en) | Vegetable and fruit preservation monitoring system | |
| KR20210074952A (en) | Multiple nitrogen concentration continuous supply unit and its control method | |
| CN209345933U (en) | A kind of air-conditioning fresh-keeping device for chilled chicken | |
| JPS6485038A (en) | Method for storing vegetables, fruits or the like |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |