CN202998950U - Carbon dioxide concentration automatic regulating device in greenhouse environment - Google Patents
Carbon dioxide concentration automatic regulating device in greenhouse environment Download PDFInfo
- Publication number
- CN202998950U CN202998950U CN 201220553682 CN201220553682U CN202998950U CN 202998950 U CN202998950 U CN 202998950U CN 201220553682 CN201220553682 CN 201220553682 CN 201220553682 U CN201220553682 U CN 201220553682U CN 202998950 U CN202998950 U CN 202998950U
- Authority
- CN
- China
- Prior art keywords
- gas
- concentration
- carbon dioxide
- greenhouse
- control module
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model belongs to the technical field of a planting industry, and discloses a carbon dioxide concentration automatic regulating device in a greenhouse environment. The device includes a carbon dioxide gas control module, and an input end of the carbon dioxide gas control module is respectively connected with a light intensity sensor and a carbon dioxide concentration sensor; an output end of the carbon dioxide gas control module is connected with a carbon dioxide gas generating module, and the light intensity sensor is used for collecting the light intensity in the greenhouse environment; the carbon dioxide concentration sensor is used for detecting the carbon dioxide concentration in the greenhouse environment. The carbon dioxide gas control module controls the carbon dioxide gas generating module to release the carbon dioxide gas according to the light intensity and the carbon dioxide concentration. The carbon dioxide concentration automatic regulating device in the greenhouse environment can precisely control a feeding quantity of the carbon dioxide required for plants, and is simple in structure and easy to achieve.
Description
Technical field
The utility model belongs to the plant husbandry technical field, more specifically, relates to CO in a kind of greenhouse
2The concentration self-checking device.
Background technology
In the greenhouse, booth and airtight plant factor etc., apply CO
2Gas fertilizer is the effective ways that increase output.Under certain condition, along with CO
2The rising of concentration, photosynthesis strengthens.CO when photosynthetic rate is maximum
2Concentration is saturation point, works as CO
2It is too high that concentration surpasses saturation point, can cause crop misgrowth, leaf chlorosis yellow, curling deformity or necrosis etc.
In planting process, people wish to give birth to CO by the reasonable demand volume production
2Gas, and can according to the result of environment measuring, automatically regulate CO
2Give tolerance.No matter Physical or chemical method are made CO
2, the method that adopts open loop to control is not easy to reach the purpose of accurate quantification usually, thus the best growth result of impact.
Summary of the invention
For making up defects, the utility model proposes CO in a kind of greenhouse
2Concentration self-checking device and control method, by closed-loop control, the automatic required CO of coordinate plant growth
2Give tolerance.
In order to solve the problems of the technologies described above, the utility model is achieved by the following technical solutions.
Technical scheme one:
CO in a kind of greenhouse
2The concentration self-checking device is characterized in that, described device comprises CO
2The gas control module, described CO
2The input of gas control module is connected with respectively light intensity sensor and CO
2Concentration sensor, described CO
2The output of gas control module is connected with CO
2Gas generation module, described light intensity sensor is used for gathering the luminous intensity of greenhouse; Described CO
2Concentration sensor is for detection of CO in greenhouse
2Concentration; Described CO
2The gas control module is according to described luminous intensity and described CO
2Concentration is controlled described CO
2Gas generation module discharges CO
2Gas.
The characteristics of technique scheme and further the improvement are:
(1) described CO
2Gas generation module is for being equipped with CO
2The gas tank of gas, described gas tank is provided with by-pass valve control.
(2) described CO2 gas generation module is the CO2 gas container that carbonic hydroammonium is housed, and also is provided with heating unit in described CO2 gas container; Described carbonic hydroammonium chemical equation is:
(3) described CO
2The output of gas control module also is connected with alarm module.
Technical scheme two:
In a kind of greenhouse, CO2 concentration Automatic adjustment method, is characterized in that, described method comprises that light intensity sensor gathers the luminous intensity of greenhouse, and the CO2 concentration sensor detects CO2 concentration in greenhouse; CO2 gas control module judges that described luminous intensity is fit to photosynthesis, and described CO2 concentration is when setting concentration limit, and CO2 gas control module is controlled CO2 gas generation module and discharged CO2 gas.
The characteristics of technique scheme and further the improvement are:
(1) after CO2 gas generation module discharges the CO2 gas of setting-up time, the CO2 concentration sensor CO2 gas concentration detected in greenhouse and discharge before in environment the CO2 gas concentration identical, CO2 gas control module is controlled the alarm module warning; Simultaneously, CO2 gas control module control CO2 gas generation module stops discharging CO2 gas.
(2) when the concentration of CO2 in greenhouse when setting upper limit of concentration, CO2 gas control module is controlled CO2 gas generation module and is stopped discharging CO2 gas.
The utility model adopts closed-loop control, accurately controls plants and needs CO
2The specified rate of gas, obvious Promoting plant growth, and simple in structure, be easy to realize.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is described in further detail.
Fig. 1 is CO in the utility model embodiment greenhouse
2Concentration self-checking device structural representation;
Fig. 2 is CO in the utility model embodiment greenhouse
2A kind of CO in the concentration self-checking device
2Gas generation modular structure schematic diagram;
Wherein, 1, light intensity sensor; 2, CO
2Concentration sensor; 3, CO
2Gas generation module; 4, alarm module; 5, CO
2The gas control module; 6, heating unit; 7, CO
2Gas container; 8, CO
2Gas.
Embodiment
With reference to accompanying drawing 1, CO in greenhouse
2The concentration self-checking device comprises CO
2 Gas control module 5, CO
2The input of gas control module 5 is connected with respectively light intensity sensor 1 and CO
2Concentration sensor 2, light intensity sensor 1 adopts photo resistance, silion cell etc., and the output of CO2 gas control module 5 is connected with CO
2 Gas generation module 3 and warning device 4, light intensity sensor 1 is used for gathering the luminous intensity of greenhouse; CO
2Concentration sensor 2 is for detection of CO in environment
2Concentration; CO
2 Gas control module 5 is according to luminous intensity and CO
2Concentration is controlled CO
2 Gas generation module 3 discharges CO
2Gas; Alarm module 4 is used for reporting to the police.
CO
2The measurement of concetration scope is 0--5000 μ mol mol-1, and resolution is at 5 μ mol mol-1.CO2 concentration sensor 2 can be selected BMG-CO2-NDIR (2) model.Because CO2 concentration sensor 2 is analog outputs, therefore require the precision of CO2 gas control module 5 samplings to reach one thousandth.
CO2 gas control module 5 can adopt 8 or 16 s' single-chip microcomputer, requires the A/D interface to have the sampling precision of 10 or 12 in order to ensure the carbonic acid gas certainty of measurement, can guarantee like this 5 μ mol mol
-1Resolution.The utility model single-chip microcomputer adopts the PIC16F1937 model, gathers CO by 10 A/D interfaces on single-chip microcomputer
2Concentration sensor 2 signals.
CO
2 Gas generation module 3 is for being equipped with CO
2The gas tank of gas, gas tank is provided with by-pass valve control, CO
2 Gas control module 5 outputs are connected with by-pass valve control, control the keying of this by-pass valve control.
With reference to accompanying drawing 2, CO
2 Gas generation module 3 is for being equipped with the CO of carbonic hydroammonium
2Gas container 7, CO
2Gas container 7 also is provided with heating unit 6, and heating unit 6 is used for to the carbonic hydroammonium heating, and the carbonic hydroammonium generation chemical reaction that is heated discharges CO
2Gas 8, the carbonic hydroammonium chemical equation is:
Wherein, CO
2Burst size is controlled by heating and stopped heating, therefore heating unit 6 adopts carbon fiber heating silk, PTC or other equivalent mode of heatings.It is example that the utility model heating unit 6 adopts the carbon fiber heating silk, and carbon fiber heating silk thermal coefficient of expansion is little, and fatigue durability is also better.Will produce heat when having electric current to pass through heating unit 6, and the size of heat is by the power decision of electric current and heating unit.Heating unit 6 require light specific gravity, thermal capacitance little, certain tensile strength is arranged, after the outage, heating effect can stop at once like this, its heat-resisting value should be greater than 80 degree simultaneously.
In addition, also follow ammonia when producing CO2, ammonia is very favourable for plant growth.Solution is the characteristic of utilizing ammonia water-soluble, limits ammonia concentration in air with absorption process.Dissolve ammonia with the bucket that water is housed, the carbonic acid gas that discharges is transported in airtight greenhouse or plant factor by piping by bucket.
CO in the utility model greenhouse
2The concentration Automatic adjustment method is specific as follows:
Step 1: light intensity sensor 1 gathers the luminous intensity of greenhouse;
Step 2: CO
2Concentration sensor 2 detects CO in greenhouse
2Concentration;
Step 3: CO
2Whether the luminous intensity that 5 judgements of gas control module gather is fit to photosynthesis; If so, change step 4 over to; If not, change step 1 over to;
Step 4: CO
2CO in gas control module 5 judgement greenhouses
2Whether concentration is when setting concentration limit, if lower than setting concentration limit, change step 6 over to; If be not less than the setting concentration limit, change step 5 over to;
CO in real atmosphere
2Concentration is about 300-500 μ mol mol-1 normally, and when concentration reaches 800-1500 μ mol mol-1, and is apparent in view to the facilitation of plant growth, and therefore, the lower limit of suitable scope is set to 700 μ mol mol-1.
Step 5: CO in the judgement environment
2Concentration whether when setting upper limit of concentration, if higher than, change step 10 over to, if not higher than setting upper limit of concentration, change step 6 over to;
Resultant effect and economy in reality not necessarily adopt saturated concentration, but take the upper limit of concentration of the most suitable scope as 1000 μ mol mol-1.
Step 6: CO
2 Gas control module 5 is controlled CO
2 Gas generation module 3 discharges CO
2Gas;
Step 7: after 3 hours (being set by gas control module 5), CO
2CO in concentration sensor 2 testing environments
2Concentration;
Work as CO
2 Gas generation module 3 is set to CO
2During the gas tank of gas, discharge after gas CO in environment
2Concentration does not change, and changes step 8 over to; Work as CO
2 Gas generation module 3 is set to be equipped with the CO of carbonic hydroammonium
2During gas container, CO in environment after release gas
2Concentration does not change, and changes step 9 over to;
Step 8: work as CO
2 Gas generation module 3 discharges CO
2After gas 3 hours, CO
2Before concentration sensor 2 detects in environment the CO2 gas concentration and discharges in environment the CO2 gas concentration identical, CO
2 Gas control module 5 is controlled alarm module 4 and is reported to the police; Simultaneously, CO
2 Gas control module 5 is controlled CO
2 Gas generation module 3 stops discharging CO
2Gas;
Step 9: work as CO
2 Gas generation module 3 discharges CO
2After gas 3 hours, CO
2Concentration sensor 2 detects CO in environment
2CO in environment before gas concentration and release
2Gas concentration is identical, CO
2 Gas control module 5 is controlled alarm module 4 and is reported to the police, caution CO
2Gas generation module breaks down; Simultaneously, heating unit 6 stopped heatings, carbonic hydroammonium no longer decomposes CO
2
Step 10: CO in environment
2Concentration when setting upper limit of concentration, CO
2 Gas control module 5 is controlled CO
2 Gas generation module 3 stops discharging CO
2Gas.
Get in reality when maximum did not surpass 850 μ mol mol-1 in 3 hours, warning can check whether raw material exhausts or the no impact that is caused by ventilation by reminding user.
Work as CO
2 Gas generation module 3 is set to CO
2During the gas tank of gas, CO
2 Gas control module 5 is closed the gas tank valve; Work as CO
2 Gas generation module 3 is set to be equipped with the CO of carbonic hydroammonium
2During gas container, stop to heating unit 6 energisings.
Technical solutions of the utility model can accurately be controlled plants and need CO
2The specified rate of gas, obviously Promoting plant growth.As follows through test effect: the one, promote root growth, the plant roots amount increases near 1 times than contrast; The 2nd, promote the plant leaf surface growth, make blade thicker, the leaf area ratio contrast increases 20-40%; The 3rd, the dry matter of plant increases, output improves, and for example romaine lettuce can improve output 30%, and cucumber increases by 25%, and tomato increases by 20%.In addition, technical solutions of the utility model simple in structure, be easy to realize.
The utility model also has numerous embodiments, in every case in spirit of the present utility model and essential scope, any change of doing, is equal to replacements, improvement, all within protection domain of the present utility model.
Claims (6)
1. CO in a greenhouse
2The concentration self-checking device is characterized in that, described device comprises CO
2The gas control module, described CO
2The input of gas control module is connected with respectively light intensity sensor and CO
2Concentration sensor, described CO
2The output of gas control module is connected with CO
2Gas generation module, described light intensity sensor is used for gathering the luminous intensity of greenhouse; Described CO
2Concentration sensor is for detection of CO in greenhouse
2Concentration; Described CO
2The gas control module is according to described luminous intensity and described CO
2Concentration is controlled described CO
2Gas generation module discharges CO
2Gas.
2. CO in greenhouse as claimed in claim 1
2The concentration self-checking device is characterized in that, described CO
2Gas generation module is for being equipped with CO
2The gas tank of gas, described gas tank is provided with by-pass valve control.
3. CO in greenhouse as claimed in claim 1
2The concentration self-checking device is characterized in that, described CO
2Gas generation module is the CO that carbonic hydroammonium is housed
2Gas container.
4. CO in greenhouse as claimed in claim 3
2The concentration self-checking device is characterized in that, described CO
2Also be provided with heating unit in gas container.
5. CO2 concentration self-checking device in greenhouse as claimed in claim 1, is characterized in that described CO
2The output of gas control module also is connected with alarm module.
6. CO in greenhouse as claimed in claim 5
2The concentration self-checking device is characterized in that, when described alarm module is reported to the police, and described CO
2Gas generation module stops discharging CO
2Gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220553682 CN202998950U (en) | 2012-10-26 | 2012-10-26 | Carbon dioxide concentration automatic regulating device in greenhouse environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220553682 CN202998950U (en) | 2012-10-26 | 2012-10-26 | Carbon dioxide concentration automatic regulating device in greenhouse environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202998950U true CN202998950U (en) | 2013-06-19 |
Family
ID=48590600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220553682 Expired - Fee Related CN202998950U (en) | 2012-10-26 | 2012-10-26 | Carbon dioxide concentration automatic regulating device in greenhouse environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202998950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102960200A (en) * | 2012-10-26 | 2013-03-13 | 西安金诺光电科技有限公司 | Automatic adjusting device and method for concentration of CO2 in greenhouse environment |
| CN106572640A (en) * | 2014-06-11 | 2017-04-19 | 双叶产业株式会社 | Carbon dioxide application system and carbon dioxide application method |
-
2012
- 2012-10-26 CN CN 201220553682 patent/CN202998950U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102960200A (en) * | 2012-10-26 | 2013-03-13 | 西安金诺光电科技有限公司 | Automatic adjusting device and method for concentration of CO2 in greenhouse environment |
| CN106572640A (en) * | 2014-06-11 | 2017-04-19 | 双叶产业株式会社 | Carbon dioxide application system and carbon dioxide application method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102960200A (en) | Automatic adjusting device and method for concentration of CO2 in greenhouse environment | |
| CN101836562B (en) | Index method for diagnosing degree of water shortage of crop | |
| CN205320731U (en) | Greenhouse carbon dioxide intelligence compensating system | |
| CN104949911A (en) | Material biological degradability detection evaluation equipment and method | |
| CN102385376A (en) | Safe and intelligent regulating system for home environment | |
| CN204288033U (en) | Green house of vegetables Intelligent adjustment control device | |
| CN202998950U (en) | Carbon dioxide concentration automatic regulating device in greenhouse environment | |
| CN207232798U (en) | A kind of cucumber green house intelligent controlling device | |
| CN104656713A (en) | Chicken farm environment monitoring system based on single-chip microcomputer | |
| CN204881690U (en) | Intelligence air quality detecting system based on GPRS network | |
| CN201153422Y (en) | Intelligent monitoring apparatus for hothouse | |
| CN204302764U (en) | Based on the warmhouse booth control device of Internet of Things | |
| CN104359908A (en) | Method for measuring photosynthetic rate of CAM plants | |
| CN204426115U (en) | A kind of device detecting air environmental pollution | |
| CN204422487U (en) | A kind of monitoring system | |
| CN201689089U (en) | Automatic monitoring and wireless transmission detection instrument for large scale soil moisture content | |
| CN201689032U (en) | Greenhouse gas on-line monitoring instrument | |
| CN203299610U (en) | Automatic CO2 monitor system of greenhouse | |
| CN102721798B (en) | Method for calculating coal quality sulfur component in real time | |
| Tian et al. | Soil respiration dynamics in Cinnamomum camphora forest and a nearby Liquidambar formosana forest in Subtropical China | |
| CN201689353U (en) | Remote environmental monitoring system for fruit and vegetable greenhouse | |
| CN205404506U (en) | Automatic detection apparatus for paddy field water pollution thing | |
| CN205194052U (en) | Green health monitoring system cultivated in a pot based on sensor network | |
| CN204634612U (en) | A kind of poultry house pernicious gas automatic air interchanger | |
| CN204270130U (en) | A kind of flower shed intelligent control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHAANXI XUTIAN OPTOELECTRONIC AGRICULTURAL TECHNOL Free format text: FORMER OWNER: XI AN JINNUO OPTOELECTRONICS TECHNOLOGY CO., LTD. Effective date: 20130726 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 710075 XI AN, SHAANXI PROVINCE TO: 712100 XIANYANG, SHAANXI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130726 Address after: 712100 No. 12 Yang Yang Road, Yangling demonstration area, Shaanxi, China Patentee after: Shaanxi Xu Tian photoelectric agricultural science and technology company Address before: 710075 Shaanxi city of Xi'an province high tech Zone six new road Pusheng building room 415 Patentee before: Xi'an Jinnuo Photoelectric Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20141026 |
|
| EXPY | Termination of patent right or utility model |