CN107219868B - Remote high-precision CO applied to open top type air chamber 2 Automatic concentration control system - Google Patents
Remote high-precision CO applied to open top type air chamber 2 Automatic concentration control system Download PDFInfo
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- CN107219868B CN107219868B CN201710484166.9A CN201710484166A CN107219868B CN 107219868 B CN107219868 B CN 107219868B CN 201710484166 A CN201710484166 A CN 201710484166A CN 107219868 B CN107219868 B CN 107219868B
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- 238000009423 ventilation Methods 0.000 claims abstract description 36
- 238000007726 management method Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000013500 data storage Methods 0.000 claims abstract description 7
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 5
- 238000002474 experimental method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008635 plant growth Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D11/00—Control of flow ratio
- G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
- G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
- G05D11/139—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by measuring a value related to the quantity of the individual components and sensing at least one property of the mixture
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Abstract
The invention relates to a remote high-precision CO applied to an open top type air chamber 2 The concentration automatic control system has the following specific structure: CO 2 The sensor adopts a high-precision sensor module and CO 2 The concentration automatic control system comprises CO 2 The system comprises a concentration signal conversion module, a PID control host, an electromagnetic valve control module, a fan control module, a data storage and 3G forwarding module and a liquid crystal touch screen display and control module. CO 2 The air source supply device adopts steel cylinder air, the ventilation mixing device consists of an annular ventilation pipe, a vertical ventilation pipe, an air release hole with adjustable height and a fan, and the remote online management platform consists of a cloud database, online data management software and a mobile terminal. The invention can be based on the field practical environment CO 2 The dynamic control is carried out on the dynamic change of the concentration day and night, the pulse air supply can be effectively reduced through quick feedback adjustment and circulation air supply, and meanwhile, the automation level of a field control experiment is improved.
Description
Technical Field
The invention relates to a remote high-precision CO applied to an open top type air chamber 2 An automatic concentration control system belongs to the field of field experimental research technology such as ecology or agrology, in particular to a global change factor (such as CO) 2 Concentration, temperature, etc.) field control experiments.
Background
The earth system has undergone significant global changes over the last hundred years, particularly over the last two decades, and atmospheric CO due to human activity 2 The concentration has increased from about 280. Mu. Mol.mol-1 (ppm) before industrialization to 398ppm in 2014, CO 2 The rate of concentration increase was also increasing, with an annual average rate of increase of 2.1ppm, predicted to be 2100 years of atmospheric CO 2 The concentration will reach 650-970 ppm. CO 2 The fertilization effect of the concentration rise has profound effects on the carbon circulation and reserves of the land ecosystem, and the latter changes are fed back to global changes to accelerate or slow down the global climate change process. The research on the disputed and challenging problems is always focused by the on-state students, how to properly cope with the global change problem, and how to continuously develop the economic society of China.
Simulation CO for field control experiments at home and abroad 2 The research device for increasing the concentration mainly comprises an open top type gasChamber (Open Top Chamber, OTC) and Free Air device (Free Air CO) 2 Energy, FACE) 2 experimental sets. FACE equipment is expensive in cost, maintenance and CO 2 The consumption cost is high, and the method is only applied to rice crops in China, and the high cost makes the wide use difficult. In contrast, the OTC device is more economical and controllable, and most of the OTC devices are octagonal or straight cylindrical frames, and the chamber walls are made of high-light-transmittance materials (such as glass, organic glass and the like) so as to effectively reduce CO 2 The top of the air chamber is flat or conical, the top of the air chamber is open, natural lighting is realized, indoor and outdoor air flows, other environmental factors inside and outside the air chamber are kept consistent, the plant growth environment is basically similar to a natural state, and the air chamber is used for CO 2 The concentration control effect is good, CO 2 Freely diffuses in the air chamber, effectively reduces CO 2 Consumption amount.
At present, whether FACE or OTC devices are utilized to simulate CO 2 The experiments of the concentration rise are all carried out by the current global background atmosphere CO 2 The annual mean value of the concentration is used as a contrast, and the CO is set and controlled 2 The concentration is at a constant concentration, typically 50% to 200% higher than the current concentration, such as 550ppm, 600ppm, 750ppm, etc., however, CO 2 The concentration itself also has dynamic daily and seasonal changes, and the plant photosynthesis absorbs and fixes CO 2 Variation of the amount, free of CO in the atmosphere 2 The concentration also changes with the current constant value CO 2 The concentration control obviously cannot well describe the actual process of carbon exchange of the ecological system, so the invention adopts dynamic monitoring of free atmosphere CO 2 The average value of 10min of the concentration is used as a background value, the control concentration in the OTC is set, and the CO is increased by taking the dynamic background value as a reference 2 Concentration, and on-line monitoring and remote control are carried out on the whole system through a wireless transmission and remote control platform.
Disclosure of Invention
The invention aims to provide a remote high-precision CO applied to an open top type air chamber 2 The automatic concentration control system solves the problem that the prior device can not well describe the actual process of dynamic carbon exchange of an ecological system, and monitors free atmosphere CO dynamically 2 The average value of 10min of the concentration is taken as a background value, anddetermining the control concentration in OTC to increase CO based on dynamic background value 2 The concentration is monitored on line and controlled remotely through a wireless transmission and remote control platform.
The invention relates to a remote high-precision CO applied to an open top type air chamber 2 Automatic concentration control system, the whole system mainly comprises CO 2 Sensor, CO 2 Automatic concentration control system and CO 2 The system comprises an air source supply device, a ventilation mixing device and a remote online management platform.
CO 2 The sensor adopts a high-precision sensor module, so that the feedback time is effectively controlled, the control precision is improved, and the inside and outside of the air chamber are respectively one.
CO 2 The concentration automatic control system mainly comprises CO 2 The system comprises a concentration signal conversion module, a PID control host, an electromagnetic valve control module, a fan control module, a data storage and 3G forwarding module and a liquid crystal touch screen display and control module. Wherein the PLC in the PID control host is the core of the controller, CO 2 The concentration signal conversion module converts and inputs the analog quantity, the PID is operated by the PLC, the PID is controlled and output by the electromagnetic valve, the fan control is synchronous with the opening of the electromagnetic valve, the PLC data is output to the liquid crystal display screen, and the PLC data is output to the data storage and 3G forwarding module and is wirelessly forwarded to the cloud database.
CO 2 The concentration automatic control system adopts a control mode of rapid feedback adjustment, and is used for receiving CO inside and outside the air chamber 2 Sensor signal, data is automatically recorded and stored every 2s, and the average value V of measured values is 10 minutes outside the air chamber 10min Adding the set concentration value delta E and subtracting the measured value C in the air chamber, namely according to (V) 10min The range of the difference between delta E and C, the opening and closing time of the electromagnetic valve is controlled, and the electromagnetic valve is controlled to be opened and closed by CO through the annular ventilation pipeline, the vertical ventilation pipeline and the gas release hole 2 The air source air supply device ventilates the air chamber, and simultaneously controls the fan to start the air in the uniformly mixed air chamber. According to the characteristics of sensor accuracy and response time lag, the automatic control system adopts a front control mode, namely, in CO 2 In the treatment concentration range, the ventilation mode is started when the treatment concentration is 10ppm from the lowest threshold value and the ventilation mode is started when the treatment concentration is 10ppm from the highest threshold valueStopping ventilation at 10ppm, waiting for CO 2 The sensor feeds back the concentration signal and then performs the next control action.
CO 2 The gas source supply device adopts a mode of connecting a plurality of steel cylinders to supply gas in a centralized manner, so that the gas source supply is ensured to be stable.
The ventilation mixing device consists of an annular ventilation pipe, a vertical ventilation pipe, a gas release hole with adjustable height and a fan. The annular vent pipe is positioned at the bottom of the open top type air chamber, the vertical vent pipe is positioned on the upright post of the open top type air chamber and is communicated with the annular vent pipe, the fans are arranged at opposite angles at the bottom of the air chamber, the number of the fans is 2, and the air is circularly blown and uniformly mixed in the clockwise direction. Gas from CO 2 The air source supply device is ventilated to the annular vent pipe, then the annular vent pipe is ventilated to the air release hole through the vertical vent pipe, the vertical vent pipe is fixed on the upright post of the open top type air chamber, fixed buckles are preset at intervals of certain height, the air release hole is connected with the vertical vent pipe through the air pipe 2 through the air pipe, the air release hole can be manually adjusted according to the plant growth height in the air chamber to be connected with the vertical vent pipe, the vertical vent pipe with the corresponding height is blocked after the height is changed, and the air release hole is moved upwards to be connected with the vertical vent pipe with the higher height, so that the adjustment of the air outlet height is achieved.
The remote online management platform consists of a cloud database, online data management software and a mobile terminal. The CO2 concentration automatic control system stores data into a cloud database of the remote online management platform through 3G forwarding, the mobile terminal logs in online data management software through a network to access the cloud database, and the data of the control system are browsed online and downloaded for storage.
The invention relates to a remote high-precision CO applied to an open top type air chamber 2 The automatic concentration control system has the advantages and effects that: according to the field practical environment CO 2 The dynamic change of the concentration day and night is used for dynamic control, but not constant concentration control, so that the actual process of carbon exchange of the ecological system is better simulated. Meanwhile, the pulse air supply is effectively reduced by the rapid feedback adjustment and the circulating air supply, and the CO is improved 2 Control accuracy of concentration and uniformity of gas supply. In addition, remote data transmission and management enables remoteOn-line monitoring and data browsing preservation improve the automation level of field control experiments.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
The labels in the figures are as follows:
1. aeration mixing device 2, annular aeration pipe 3, fan 4 and vertical aeration pipe
5. Gas release holes 6, open top air chambers 7, CO 2 Sensor for detecting a position of a body
8、CO 2 Air supply device 9 and CO 2 Automatic concentration control system 10 and remote online management platform
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
The invention relates to a remote high-precision CO applied to an open top type air chamber 2 The concentration automatic control system, as shown in figure 1, the whole system mainly comprises CO 2 Sensor 7, CO 2 Automatic concentration control system 9 and CO 2 The device comprises an air source supply device 8, a ventilation mixing device 1 and a remote online management platform 10.
CO 2 The sensor 7 adopts a high-precision sensor module, so that the feedback time is effectively controlled, the control precision is improved, and the inside and outside of the air chamber are respectively provided with a sensor.
CO 2 The automatic concentration control system 9 mainly comprises CO 2 The system comprises a concentration signal conversion module, a PID control host, an electromagnetic valve control module, a fan control module, a data storage and 3G forwarding module and a liquid crystal touch screen display and control module. Wherein the PLC in the PID control host is the core of the controller, CO 2 The concentration signal conversion module converts and inputs the analog quantity, the PID is operated by the PLC, the PID is controlled and output by the electromagnetic valve, the fan control is synchronous with the opening of the electromagnetic valve, the PLC data is output to the liquid crystal display screen, and the PLC data is output to the data storage and 3G forwarding module and is wirelessly forwarded to the cloud database.
CO 2 The concentration automatic control system 9 adopts a control mode of rapid feedback adjustment by receiving CO inside and outside the air chamber 2 Sensor signal, data is automatically recorded and stored every 2s, and the average value V of measured values is 10 minutes outside the air chamber 10min Adding the set concentration value delta E and subtracting the measured value C in the air chamber, namely according to (V) 10min Controlling the opening and closing time of electromagnetic valve in the range of the difference between delta E and C, and using CO through annular ventilation pipeline, vertical ventilation pipeline and gas release small hole 2 The air source air supply device ventilates the air chamber, and simultaneously controls the fan to start the air in the uniformly mixed air chamber. According to the characteristics of sensor accuracy and response time lag, the automatic control system adopts a front control mode, namely, in CO 2 In the treatment concentration range, the ventilation mode is started when the treatment concentration is 10ppm away from the lowest threshold value, ventilation is stopped when the treatment concentration is 10ppm away from the highest threshold value, and CO is waited for 2 The sensor feeds back the concentration signal and then performs the next control action.
CO 2 The gas source supply device 8 adopts a steel cylinder gas, and simultaneously links a plurality of steel cylinders to supply gas in a centralized way, so that the gas source supply is ensured to be stable.
The ventilation mixing device 1 consists of an annular ventilation pipe 2, a vertical ventilation pipe 4, a height-adjustable gas release hole 5 and a fan 3. The annular vent pipes 2 are positioned at the bottom of the open top type air chamber 6, the vertical vent pipes 4 are positioned on the upright posts of the open top type air chamber 6 and are communicated with the annular vent pipes 2, the fans 3 are arranged at opposite angles at the bottom of the air chamber, the number of the fans is 2, and air is circularly blown and mixed evenly in the clockwise direction. Gas from CO 2 The air source supply device 8 is ventilated to the annular ventilation pipe 2, then the annular ventilation pipe 2 reaches the air release holes 5 through the vertical ventilation pipe 4, the vertical ventilation pipe 4 is fixed on the upright post of the open top type air chamber, fixing buckles are preset at intervals of a certain height, the air release holes 5 are connected with the vertical ventilation pipe 4 through the air pipe 2 through the air pipe, the air release holes 5 can be manually adjusted according to the plant growth height in the air chamber to be connected with the vertical ventilation pipe, the vertical ventilation pipe with the corresponding height is blocked after the height is changed, and the air release holes are moved upwards to be connected with the vertical ventilation pipe with the higher height so as to achieve the adjustment of the air outlet height.
The remote online management platform 10 is composed of a cloud database, online data management software and a mobile terminal. The CO2 concentration automatic control system stores data into a cloud database of the remote online management platform through 3G forwarding, the mobile terminal logs in online data management software through a network to access the cloud database, and the data of the control system are browsed online and downloaded for storage.
Claims (2)
1. Remote high-precision CO applied to open top type air chamber 2 Concentration automatic control system, its characterized in that: the system mainly comprises CO 2 Sensor, CO 2 Automatic concentration control system and CO 2 The system comprises an air source supply device, a ventilation mixing device and a remote online management platform;
CO 2 the sensor adopts a high-precision sensor module for controlling feedback time, improving control precision, and one of the inside and outside of the air chamber;
CO 2 the concentration automatic control system mainly comprises CO 2 The system comprises a concentration signal conversion module, a PID control host, an electromagnetic valve control module, a fan control module, a data storage and 3G forwarding module and a liquid crystal touch screen display and control module; wherein the PLC in the PID control host is the core of the controller, CO 2 The concentration signal conversion module converts and inputs the analog quantity, PID is operated by PLC, output is controlled by an electromagnetic valve, fan control is synchronous with the opening of the electromagnetic valve, the data of the PLC is output to a liquid crystal display screen, and meanwhile, the data is output to the data storage and 3G forwarding module and then is wirelessly forwarded to a cloud database;
CO 2 the gas source supply device adopts a steel cylinder gas mode of simultaneously connecting a plurality of steel cylinders for centralized gas supply;
the ventilation mixing device consists of an annular ventilation pipe, a vertical ventilation pipe, a gas release hole with adjustable height and a fan; the annular vent pipe is positioned at the bottom of the open-top type air chamber, the vertical vent pipe is positioned on the upright post of the open-top type air chamber and is communicated with the annular vent pipe, and the fan is arranged at the bottom diagonal angle in the air chamber; the vertical vent pipe is fixed on the upright post of the open top type air chamber, fixing buckles are preset at intervals of a certain height, and the air release holes are connected with the vertical vent pipe;
the remote online management platform consists of a cloud database, online data management software and a mobile terminal; CO 2 Concentration self-helpThe dynamic control system stores data into a cloud database of a remote online management platform through 3G forwarding, the mobile terminal logs in online data management software to access the cloud database through a network, and the data of the control system are browsed online and downloaded for storage;
said CO 2 The concentration automatic control system adopts a control mode of rapid feedback adjustment, and is used for receiving CO inside and outside the air chamber 2 Sensor signal, data is automatically recorded and stored every 2s, and the average value V of measured values is 10 minutes outside the air chamber 10min Adding the set concentration value delta E and subtracting the measured value C in the air chamber, namely according to (V) 10min The range of the difference between delta E and C, the opening and closing time of the electromagnetic valve is controlled, and the electromagnetic valve is controlled to be opened and closed by CO through the annular ventilation pipeline, the vertical ventilation pipeline and the gas release hole 2 The air source air supply device ventilates the air chamber, and simultaneously controls the fan to start the air in the uniformly mixed air chamber; according to the characteristics of sensor accuracy and response time lag, the automatic control system adopts a front control mode, namely, in CO 2 In the treatment concentration range, the ventilation mode is started when the treatment concentration is 10ppm away from the lowest threshold value, ventilation is stopped when the treatment concentration is 10ppm away from the highest threshold value, and CO is waited for 2 The sensor feeds back the concentration signal and then performs the next control action.
2. Remote high-precision CO applied to open top plenum as in claim 1 2 Concentration automatic control system, its characterized in that: the gas release holes can be manually adjusted according to the growth height of plants in the gas chamber, the gas release holes are connected with the vertical vent pipes through the 2-way pipes, the vertical vent pipes with the corresponding heights are plugged after the height is changed, and the gas release holes are moved upwards to be connected with the vertical vent pipes with the higher heights, so that the adjustment of the gas outlet height is achieved.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107544567B (en) * | 2017-10-24 | 2020-10-27 | 宁夏大学 | Gas-saving control system and method for open-top gas simulation gas chamber |
| CN108549430A (en) * | 2018-04-24 | 2018-09-18 | 中国科学院东北地理与农业生态研究所 | A kind of dynamic temperature control open top type air chamber |
| CN109521824B (en) * | 2019-01-21 | 2024-01-23 | 福建九圃生物科技有限公司 | OTC open top type air chamber capable of accurately controlling temperature, humidity and illumination intensity |
| CN109682935B (en) * | 2019-02-25 | 2022-03-08 | 北京易盛泰和科技有限公司 | Open system for simulating carbon dioxide increase and simulation method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1961653A (en) * | 2006-11-27 | 2007-05-16 | 南京农业大学 | Large-scaled tissue cultured seedling growth environment CO2 concentration self-control device |
| CN101300942A (en) * | 2007-05-09 | 2008-11-12 | 中国科学院沈阳应用生态研究所 | Method for simulating moisture surrounding variation of sandy woodland grassland ecologic system and facilities |
| CN201804240U (en) * | 2010-08-04 | 2011-04-20 | 宁夏大学 | CO2 (carbon dioxide) concentration automatic control device for open-top chamber |
| CN102144502A (en) * | 2010-12-17 | 2011-08-10 | 青岛农业大学 | Device for continuously supplying CO2 for open top type plant growth assimilation box |
| CN102962106A (en) * | 2012-12-07 | 2013-03-13 | 中国农业科学院农业环境与可持续发展研究所 | Semi-opened type climatic variation in-situ simulation air chamber |
| CN203520182U (en) * | 2013-09-13 | 2014-04-02 | 福建省农业科学院植物保护研究所 | Instrument for controlling concentration of carbon dioxide in artificial climate |
| JP2014115175A (en) * | 2012-12-10 | 2014-06-26 | Azbil Corp | Automatic adjustment device, and method for co2 sensor |
| CN204139668U (en) * | 2014-10-11 | 2015-02-04 | 中国农业科学院植物保护研究所 | One is suitable for CO 2the open top type air chamber of release |
| WO2015109726A1 (en) * | 2014-01-21 | 2015-07-30 | 镇江市科达环境***工程有限公司 | Novel device for detecting carbon dioxide concentration in edible fungus factory |
| CN206178512U (en) * | 2016-10-20 | 2017-05-17 | 陕西旭田光电农业科技有限公司 | Be used for plant factory weather data acquisition system |
-
2017
- 2017-06-23 CN CN201710484166.9A patent/CN107219868B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1961653A (en) * | 2006-11-27 | 2007-05-16 | 南京农业大学 | Large-scaled tissue cultured seedling growth environment CO2 concentration self-control device |
| CN101300942A (en) * | 2007-05-09 | 2008-11-12 | 中国科学院沈阳应用生态研究所 | Method for simulating moisture surrounding variation of sandy woodland grassland ecologic system and facilities |
| CN201804240U (en) * | 2010-08-04 | 2011-04-20 | 宁夏大学 | CO2 (carbon dioxide) concentration automatic control device for open-top chamber |
| CN102144502A (en) * | 2010-12-17 | 2011-08-10 | 青岛农业大学 | Device for continuously supplying CO2 for open top type plant growth assimilation box |
| CN102962106A (en) * | 2012-12-07 | 2013-03-13 | 中国农业科学院农业环境与可持续发展研究所 | Semi-opened type climatic variation in-situ simulation air chamber |
| JP2014115175A (en) * | 2012-12-10 | 2014-06-26 | Azbil Corp | Automatic adjustment device, and method for co2 sensor |
| CN203520182U (en) * | 2013-09-13 | 2014-04-02 | 福建省农业科学院植物保护研究所 | Instrument for controlling concentration of carbon dioxide in artificial climate |
| WO2015109726A1 (en) * | 2014-01-21 | 2015-07-30 | 镇江市科达环境***工程有限公司 | Novel device for detecting carbon dioxide concentration in edible fungus factory |
| CN204139668U (en) * | 2014-10-11 | 2015-02-04 | 中国农业科学院植物保护研究所 | One is suitable for CO 2the open top type air chamber of release |
| CN206178512U (en) * | 2016-10-20 | 2017-05-17 | 陕西旭田光电农业科技有限公司 | Be used for plant factory weather data acquisition system |
Non-Patent Citations (1)
| Title |
|---|
| 李豫婷 等.半开放式CO2 和温度递增***(CTGC)的改进：CO2 浓度控制效果.中国农业气象.2017,第38卷(第2期),104-112. * |
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