CN106645593B - Harmful influence poisons reagent leak hunting method - Google Patents
Harmful influence poisons reagent leak hunting method Download PDFInfo
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- CN106645593B CN106645593B CN201710063023.0A CN201710063023A CN106645593B CN 106645593 B CN106645593 B CN 106645593B CN 201710063023 A CN201710063023 A CN 201710063023A CN 106645593 B CN106645593 B CN 106645593B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital using a threshold to release an alarm or displaying means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/14—Toxic gas alarms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
- G01N2033/0068—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital using a computer specifically programmed
Abstract
The invention discloses a kind of harmful influences to poison reagent leak hunting method, including controller, the first wireless transceiver, temperature sensor, humidity sensor and m gas-detecting device；Each gas-detecting device includes the second wireless transceiver, single-chip microcontroller and 10 gas sensors；Controller is electrically connected with the first wireless transceiver, temperature sensor and humidity sensor respectively；The single-chip microcontroller of each gas-detecting device is electrically connected with the second wireless transceiver and each gas sensor respectively；Each gas sensor is respectively SB-19-00 sensor, SB-AD3-00 sensor, TGS-2600 sensor, SB-AQ1-06 sensor, TGS-202 sensor, TGS-813 sensor, TGS-2620 sensor, SB-42A-00 sensor, TGS-822 sensor, SB-11A-00 sensor.The present invention, which has, detects with strong points, high sensitivity, the high feature of accuracy.
Description
Technical field
The present invention relates to warehouse reagent leakage monitoring technical fields, more particularly, to a kind of with strong points, accuracy of detection
High harmful influence poisons reagent leak hunting method.
Background technique
Wireless sensor network (Wireless Sensor Networks, WSN) is a kind of distributed sensor, it
Tip is the sensor that can perceive and check the external world.Sensor in WSN wirelessly communicates, therefore network is set
It sets flexibly, device location can be changed at any time, and the connection of wired or wireless way can also be carried out with internet.Pass through channel radio
The multihop self-organizing network that letter mode is formed.WSN is widely used in military affairs, intelligent transportation, environmental monitoring, health care etc.
Multiple fields.
In warehouse environment, arylamine and its derivative, N- nitroso compound, alkylating agent, condensed-nuclei aromatics, sulfur-bearing chemical combination
Object, Benzene and its compounds, hydrogen fluoride, diazomethane etc. are the poisonous and harmful reagents of common volatility, although some units
Personal management and the separate space storage of poisonous and harmful reagent have been carried out in warehouse, but reagent is artificially to take from warehouse after all
Carry out experimental implementation out and in warehouse environment, therefore, during the experiment due to operate and location mode improper and draw
The depot safety accident of hair emerges one after another.Therefore, if effectively monitored in warehouse environment space to toxic and harmful gas
It is an important and difficult job.
Summary of the invention
Goal of the invention of the invention be in order to overcome it is in the prior art can not to the sulphur compound in warehouse, arylamine and its
Derivative, Benzene and its compounds leak the deficiency that is detected, provide and a kind of detect harmful influence with strong points, that accuracy is high
Poison reagent leak hunting method.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of harmful influence murder by poisoning reagent leak hunting method, including controller, the first wireless transceiver, temperature sensor, humidity
Sensor and m gas-detecting device；Each gas-detecting device includes the second wireless transceiver, single-chip microcontroller and 10 gases
Sensor；Controller is electrically connected with the first wireless transceiver, temperature sensor and humidity sensor respectively；Each gas detection dress
The single-chip microcontroller set is electrically connected with the second wireless transceiver and each gas sensor respectively；Each gas sensor is respectively SB-
19-00 sensor, SB-AD3-00 sensor, TGS-2600 sensor, SB-AQ1-06 sensor, TGS-202 sensor, TGS-
813 sensors, TGS-2620 sensor, SB-42A-00 sensor, TGS-822 sensor, SB-11A-00 sensor；The storehouse
The enclosure wall top in library is equipped with several ventilation fans, is equipped with alarm outside warehouse, gas-detecting device is respectively positioned on the enclosure wall in warehouse
Lower part；Alarm and each ventilation fan are electrically connected with the controller；
Include the following steps:
(1-1) controller controls each working sensor, and the second wireless transceiver sends 1 each gas every time T1
The detected value of sensor；
It is equal in former and later two length that (1-2) controller chooses temperature sensor, humidity sensor and each gas sensor
For the detected value in the period of L；Wherein, former and later two periods are respectively period A and period B, and L=n × T1 is then controlled
System obtains n detected value of each sensor in period A and period B；
(1-3) is repaired using detected value of the detected value of temperature sensor and humidity sensor to each gas sensor
Positive processing；
(1-4) judges the similarity of the Sc of each gas sensor in period A and period B；
(1-5) controller utilizes remaining y in period BiThe detection signal I ' (t) of each gas sensor is formed, is counted
Calculate the average signal I (t) of the I ' (t) of all gas sensor；
(1-6) inputs I (t) in coherence resonance model, adjusts the μ value of coherence resonance model, sends out coherence resonance model
Raw resonance；
(1-7) coherence resonance model exports cross-correlation coefficient, if cross-correlation coefficient when section [0.85,1.1] is interior, controls
Device makes sulfur-containing compound in warehouse, arylamine and its derivative or the judgement controller of Benzene and its compounds leakage controls each change
Gas fan is started to work, and controls alarm equipment alarm.
10 gas sensors of the invention are used to detect the volatilization gas of the toxic reagent of leakage, 10 different gases
Sensor can be with all position locked sulfur-containing compound, arylamine and its derivative or the volatilization gas of Benzene and its compounds, using temperature
The detected value of degree and humidity sensor is modified processing to the detected value of each gas sensor, can effectively eliminate temperature and humidity base
Sensor signal undulations caused by line variation, improve the accuracy of detection；Similarity processing further improves detection
Accuracy.
Preferably, step (1-1) includes the following steps:
Controller control temperature sensor and humidity sensor start to detect；Controller is sent by the first wireless transceiver
The instruction of start-up operation, after the second wireless transceiver of each gas-detecting device receives instruction, each gas-detecting device
Single-chip microcontroller controls each gas sensor and starts to detect, and single-chip microcontroller controls the second wireless transceiver and sends 1 time respectively every time T1
The detected value of a gas sensor.
Preferably, step (1-3) includes the following steps:
Each detected value S101 of each gas sensor in period A and period B is handled as follows:
The detected value of set temperature sensor and humidity sensor is respectively S102 and S103；
Controller utilizes formulaCalculate the revised detected value Sc of each gas sensor.
Preferably, step (1-4) includes the following steps:
Each Sc of set period of time A is xi, each Sc of period B is yi, i=1,2 ..., n；
Utilize formulaCalculate the similarity that two periods correspond to Sc；
If si< 1, then it will be with siCorresponding yiIt deletes；Wherein,For the average value of all Sc in period A,It is the time
The average value of all Sc in section B.
Preferably, the coherence resonance model is
Wherein, VTIt is model trigger action threshold potential, VRIt is the reply current potential after trigger unit movement is completed, μ τ is
Quiescent condition parameter, V after model trigger actionR<VT, ξ (t) gaussian random excitation parameter, V (t) is the real-time of coherence resonance model
Current potential, μ are the regulation coefficients of coherence resonance model, and τ is the tranquillization constant of coherence resonance model, V (t+) it is coherence resonance model
In t+The real-time current potential at moment, V2(t) be V (t) square, μ2τ is μ2With the product of τ.
Preferably, further including the annular fixed frame on the enclosure wall in warehouse, several cylinders are additionally provided on enclosure wall；Often
The telescopic rod that can be stretched up and down of a cylinder is connect with annular fixed frame, and each gas-detecting device is respectively positioned on annular fixed frame
On；Each cylinder is electrically connected with the controller；
In the course of work of each gas-detecting device, controller is controlled by each cylinder and is moved down on annular fixed frame
It is dynamic, detect each gas-detecting device at different height.
Therefore, the invention has the following beneficial effects: with strong points, high sensitivity is detected, accuracy is high.
Detailed description of the invention
Fig. 1 is a kind of functional block diagram of the invention；
Fig. 2 is a kind of flow chart of the invention.
In figure: controller 1, temperature sensor 3, humidity sensor 4, gas-detecting device 5, changes first wireless transceiver 2
Gas fans 6, alarm 7, cylinder 8, the second wireless transceiver 51, single-chip microcontroller 52, gas sensor 53.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment as shown in Figure 1 is a kind of harmful influence murder by poisoning reagent leak hunting method, including controller 1, first is wirelessly received
Send out device 2, temperature sensor 3, humidity sensor 4 and 10 gas-detecting device 5；Each gas-detecting device includes the second nothing
Line transceiver 51, single-chip microcontroller 52 and 10 gas sensor 53；Controller respectively with the first wireless transceiver, temperature sensor and
Humidity sensor electrical connection；The single-chip microcontroller of each gas-detecting device respectively with the second wireless transceiver and each gas sensor
Electrical connection；Each gas sensor is respectively SB-19-00 sensor, SB-AD3-00 sensor, TGS-2600 sensor, SB-
AQ1-06 sensor, TGS-202 sensor, TGS-813 sensor, TGS-2620 sensor, SB-42A-00 sensor, TGS-
822 sensors, SB-11A-00 sensor；The enclosure wall top in the warehouse is equipped with 6 ventilation fans 6, is equipped with alarm outside warehouse
7, gas-detecting device is respectively positioned on the enclosure wall lower part in warehouse；Alarm and each ventilation fan are electrically connected with the controller；
Include the following steps:
Step 100, sensor is started to work, and the second wireless transceiver sends the detected value of each gas sensor；
Controller control temperature sensor and humidity sensor start to detect；Controller is sent by the first wireless transceiver
The instruction of start-up operation, after the second wireless transceiver of each gas-detecting device receives instruction, each gas-detecting device
Single-chip microcontroller controls each gas sensor and starts to detect, and single-chip microcontroller controls the second wireless transceiver and sent 1 time every the time 1 second respectively
The detected value of a gas sensor；
Step 200, the detected value of access time section A and period B
It is L=that controller, which chooses temperature sensor, humidity sensor and each gas sensor in former and later two length,
Detected value in 30 minutes periods；Wherein, former and later two periods are respectively period A and period B, then control acquisition
1800 detected values of each sensor in period A and period B；
Step 300, using the detected value of temperature sensor and humidity sensor to the detected value of each gas sensor into
Row correcting process；
Each detected value S101 of each gas sensor in period A and period B is handled as follows:
The detected value of set temperature sensor and humidity sensor is respectively S102 and S103；
Controller utilizes formulaCalculate the revised detected value Sc of each gas sensor.
Step 400, judge the similarity of the Sc of each gas sensor in period A and period B；
Each Sc of set period of time A is xi, each Sc of period B is yi, i=1,2 ..., n；
Utilize formulaCalculate the similarity that two periods correspond to Sc；
If si< 1, then it will be with siCorresponding yiIt deletes；Wherein,For the average value of all Sc in period A,It is the period
The average value of all Sc in B.
Step 500, controller utilizes remaining y in period BiThe detection signal I ' (t) of each gas sensor is formed,
Calculate the average signal I (t) of the I ' (t) of all gas sensor；
Step 600, I (t) is inputted in coherence resonance model, adjusts the μ value of coherence resonance model, makes coherence resonance model
It resonates；
Coherence resonance model is
Wherein, VTIt is model trigger action threshold potential, VRIt is the reply current potential after trigger unit movement is completed, μ τ is
Quiescent condition parameter, V after model trigger actionR<VT, ξ (t) gaussian random excitation parameter, V (t) is the real-time of coherence resonance model
Current potential, μ are the regulation coefficients of coherence resonance model, and τ is the tranquillization constant of coherence resonance model, V (t+) it is coherence resonance model
In t+The real-time current potential at moment, V2(t) be V (t) square, μ2τ is μ2With the product of τ.
Step 700, coherence resonance model export cross-correlation coefficient, if cross-correlation coefficient when section [0.85,1.1] is interior,
Controller makes sulfur-containing compound in warehouse, arylamine and its derivative or the judgement controller control of Benzene and its compounds leakage is each
A ventilation fan is started to work, and controls alarm equipment alarm.
Further include the annular fixed frame on the enclosure wall in warehouse, is additionally provided with 6 cylinders 8 as shown in Figure 1 on enclosure wall；Often
The telescopic rod that can be stretched up and down of a cylinder is connect with annular fixed frame, and each gas-detecting device is respectively positioned on annular fixed frame
On；Each cylinder is electrically connected with the controller；
In the course of work of each gas-detecting device, controller is controlled by each cylinder and is moved down on annular fixed frame
It is dynamic, detect each gas-detecting device at different height.
It should be understood that this embodiment is only used to illustrate the invention but not to limit the scope of the invention.In addition, it should also be understood that,
After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.
Valence form is also fallen within the scope of the appended claims of the present application.
Claims (3)
1. a kind of harmful influence poisons reagent leak hunting method, characterized in that including controller (1), the first wireless transceiver (2), temperature
Spend sensor (3), humidity sensor (4) and m gas-detecting device (5)；Each gas-detecting device includes second wireless
Transceiver (51), single-chip microcontroller (52) and 10 gas sensors (53)；Controller respectively with the first wireless transceiver, temperature sensing
Device and humidity sensor electrical connection；The single-chip microcontroller of each gas-detecting device is passed with the second wireless transceiver and each gas respectively
Sensor electrical connection；Each gas sensor be respectively SB-19-00 sensor, SB-AD3-00 sensor, TGS-2600 sensor,
SB-AQ1-06 sensor, TGS-202 sensor, TGS-813 sensor, TGS-2620 sensor, SB-42A-00 sensor,
TGS-822 sensor, SB-11A-00 sensor；The enclosure wall top in warehouse is equipped with several ventilation fans (6), is equipped with outside warehouse
Alarm (7), gas-detecting device are respectively positioned on the enclosure wall lower part in warehouse；Alarm and each ventilation fan are electrically connected with controller
It connects；
Include the following steps:
(1-1) controller controls each working sensor, and the second wireless transceiver sends 1 each gas sensing every time T1
The detected value of device；
It is L's that (1-2) controller, which chooses temperature sensor, humidity sensor and each gas sensor in former and later two length,
Detected value in period；Wherein, former and later two periods are respectively period A and period B, and L=n × T1, then control obtains
Obtain n detected value of each sensor in period A and period B；
(1-3) is modified place using detected value of the detected value of temperature sensor and humidity sensor to each gas sensor
Reason；
Each detected value S101 of each gas sensor in period A and period B is handled as follows:
The detected value of set temperature sensor and humidity sensor is respectively S102 and S103；
Controller utilizes formulaCalculate the revised detected value Sc of each gas sensor；
(1-4) judges the similarity of the Sc of each gas sensor in period A and period B；
Each Sc of set period of time A is xi, each Sc of period B is yi, i=1,2 ..., n；
Utilize formulaCalculate the similarity that two periods correspond to Sc；
If si< 1, then it will be with siCorresponding yiIt deletes；Wherein,For the average value of all Sc in period A,It is institute in period B
There is the average value of Sc；
(1-5) controller utilizes remaining y in period BiThe detection signal I ' (t) of each gas sensor is formed, is calculated all
The average signal I (t) of the I ' (t) of gas sensor；
(1-6) inputs I (t) in coherence resonance model, adjusts the μ value of coherence resonance model, occurs that coherence resonance model altogether
Vibration；
The coherence resonance model is
Wherein, V (t) is model trigger unit action potential, VTIt is model trigger action threshold potential, VRIt is trigger unit movement
Reply current potential after completion, μ τ are quiescent condition parameter after model trigger action, VR<VT, ξ (t) gaussian random excitation parameter, μ
It is the regulation coefficient of coherence resonance model, τ is the tranquillization constant of coherence resonance model, V (t+) it is coherence resonance model in t+Moment
Real-time current potential, V2(t) be V (t) square, μ2τ is μ2With the product of τ；
(1-7) coherence resonance model exports cross-correlation coefficient, if cross-correlation coefficient is when section [0.85,1.1] is interior, controller is done
The judgement of sulfur-containing compound in warehouse out, arylamine and its derivative or Benzene and its compounds leakage, controller control each ventilation
Fan is started to work, and controls alarm equipment alarm.
2. harmful influence according to claim 1 poisons reagent leak hunting method, characterized in that step (1-1) includes following step
It is rapid:
Controller control temperature sensor and humidity sensor start to detect；Controller is started by the transmission of the first wireless transceiver
The instruction of work, after the second wireless transceiver of each gas-detecting device receives instruction, the monolithic of each gas-detecting device
Machine controls each gas sensor and starts to detect, and single-chip microcontroller controls the second wireless transceiver and sends 1 each gas every time T1
The detected value of body sensor.
3. harmful influence according to claim 1 or 2 poisons reagent leak hunting method, characterized in that further include being set to warehouse
Annular fixed frame on enclosure wall is additionally provided with several cylinders (8) on enclosure wall；The telescopic rod that can be stretched up and down of each cylinder with
Annular fixed frame connection, each gas-detecting device are respectively positioned on annular fixed frame；Each cylinder is electrically connected with the controller；
In the course of work of each gas-detecting device, controller controls annular fixed frame by each cylinder and moves up and down,
Detect each gas-detecting device at different height.
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| CN201710063023.0A CN106645593B (en) | 2017-01-24 | 2017-01-24 | Harmful influence poisons reagent leak hunting method |
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| CN201710063023.0A CN106645593B (en) | 2017-01-24 | 2017-01-24 | Harmful influence poisons reagent leak hunting method |
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| CN108152458A (en) * | 2017-12-26 | 2018-06-12 | 歌尔股份有限公司 | Gas detection method and device |
| CN109030566B (en) * | 2018-07-03 | 2021-01-19 | 浙江农林大学 | Laboratory gas leakage diagnosis device and method |
| CN108956875B (en) * | 2018-07-03 | 2020-10-27 | 浙江农林大学 | Laboratory safety monitoring system and method based on Internet of things |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101299031A (en) * | 2008-06-27 | 2008-11-05 | 中国科学院合肥物质科学研究院 | Method for detecting automobile tail gas based on gas sensor array |
| CN201589712U (en) * | 2009-12-17 | 2010-09-22 | 徐州中矿奥特麦科技有限公司 | Silo safety monitoring and controlling device |
| US7916275B2 (en) * | 2007-09-19 | 2011-03-29 | Asml Netherlands B.V. | Methods of characterizing similarity or consistency in a set of entities |
| CN102331266A (en) * | 2011-06-13 | 2012-01-25 | 无锡格林通安全装备有限公司 | Multi-parameter gas sensor compensating method |
| CN103383465A (en) * | 2013-05-10 | 2013-11-06 | 北京国基科技股份有限公司 | Information fusion method based on correlator characteristic output |
| CN103412099A (en) * | 2013-08-01 | 2013-11-27 | 浙江工商大学 | Device and method for detecting pawpaw storage time |
| CN104713985A (en) * | 2013-12-17 | 2015-06-17 | 徐通 | Wireless sensor-based mine environment harmful gas detection system |
| CN205003130U (en) * | 2015-07-03 | 2016-01-27 | 鲍崇智 | Portable indoor formaldehyde detecting system based on thing networking |
| CN105278565A (en) * | 2015-06-18 | 2016-01-27 | 浙江海洋学院 | Soilless culture nutrient solution automatic control device and control method |
| CN106053724A (en) * | 2016-05-25 | 2016-10-26 | 深圳市欧瑞博电子有限公司 | Cloud computing-based gas sensor precision compensating method and device |
-
2017
- 2017-01-24 CN CN201710063023.0A patent/CN106645593B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7916275B2 (en) * | 2007-09-19 | 2011-03-29 | Asml Netherlands B.V. | Methods of characterizing similarity or consistency in a set of entities |
| CN101299031A (en) * | 2008-06-27 | 2008-11-05 | 中国科学院合肥物质科学研究院 | Method for detecting automobile tail gas based on gas sensor array |
| CN201589712U (en) * | 2009-12-17 | 2010-09-22 | 徐州中矿奥特麦科技有限公司 | Silo safety monitoring and controlling device |
| CN102331266A (en) * | 2011-06-13 | 2012-01-25 | 无锡格林通安全装备有限公司 | Multi-parameter gas sensor compensating method |
| CN103383465A (en) * | 2013-05-10 | 2013-11-06 | 北京国基科技股份有限公司 | Information fusion method based on correlator characteristic output |
| CN103412099A (en) * | 2013-08-01 | 2013-11-27 | 浙江工商大学 | Device and method for detecting pawpaw storage time |
| CN104713985A (en) * | 2013-12-17 | 2015-06-17 | 徐通 | Wireless sensor-based mine environment harmful gas detection system |
| CN105278565A (en) * | 2015-06-18 | 2016-01-27 | 浙江海洋学院 | Soilless culture nutrient solution automatic control device and control method |
| CN205003130U (en) * | 2015-07-03 | 2016-01-27 | 鲍崇智 | Portable indoor formaldehyde detecting system based on thing networking |
| CN106053724A (en) * | 2016-05-25 | 2016-10-26 | 深圳市欧瑞博电子有限公司 | Cloud computing-based gas sensor precision compensating method and device |
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