CN105183027A - Air temperature and humidity automatic control system and method for cloud chamber - Google Patents
Air temperature and humidity automatic control system and method for cloud chamber Download PDFInfo
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- CN105183027A CN105183027A CN201510652881.XA CN201510652881A CN105183027A CN 105183027 A CN105183027 A CN 105183027A CN 201510652881 A CN201510652881 A CN 201510652881A CN 105183027 A CN105183027 A CN 105183027A
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Abstract
The invention discloses an air temperature and humidity automatic control system and method for a cloud chamber. The method is characterized in that air to enter the cloud chamber is divided into two parts; one part of the air is dried to form dry air; the other part of the air is humidified to form moist air; the temperature and the humidity of the dry air and the temperature and the humidity of the moist air are monitored; and according to required and preset air temperature and humidity, the dry air and the moist air are proportionally mixed and then are pumped into the cloud chamber. The system and the method may provide air with specific humidity for cloud physics and manual influence weather research atmosphere ice nucleus or ice crystal equipment.
Description
Technical field
The present invention relates to atmospheric science field, particularly for cloud physics and weather modification research Atmospheric Ice Nuclei or the equipment of ice crystal provide the device of specified moisture and degree of supersaturation.
Background technology
Under not having the condition of Atmospheric Ice Nuclei, pure water drips to be needed could form ice crystal in very low temperature (less than-40 DEG C), and when there is Atmospheric Ice Nuclei, then under higher temperature conditions, steam can form ice crystal.Therefore Atmospheric Ice Nuclei has important impact to cloud, precipitation and climatic effect, is a basic research direction of cloud physics and weather modification research.The infrastructure device of stage research ice nucleus formation ice crystal is cloud chamber now.Carried out the observational study project of extensive ice-nucleus in 1964 abroad, and China also just carries out in the eighties of last century sixties to ice-nucleus research.Along with the development of ice-nucleus research, the main scope adopted is cloud chamber at present, and also there is related invention patent (such as: for cloud chamber and the cloud chamber system of air ice ice-nucleus activation counting, the patent No.: 201210150601.1 in China; The Mobile mixed cloud chamber of supercooled fog can be provided continuously, the patent No.: 200410039457.X).
In these cloud chambers, some cloud chamber is for the control of the temperature of steam, humidity and degree of supersaturation, otherwise employing fixation measuring value (as, for the cloud chamber of air ice ice-nucleus activation counting and the patent of cloud chamber system), under cloud chamber adopts complete vacuum and low temperature condition, when temperature and pressure in water pot controls to extremely low, open the connection valve of water pot and cloud chamber, steam is made to enter cloud chamber, thus calculate given ice face supersaturation angle value, but this ice face degree of supersaturation accurately cannot control preset value, accurately can only measure actual value; Other domestic existing cloud chamber then adopts absolute ice face degree of supersaturation (e.g., can provide the Mobile mixed cloud chamber of supercooled fog continuously), namely passes into too much steam, ensures that cloud chamber environment is in ice face supersaturation value, ignores or do not measure degree of supersaturation.The former cloud chamber is obtained to the method for specific ice face degree of supersaturation by control temperature, humidity, although ice face degree of supersaturation accurately can be measured, obtain the process of the ice nucleus formation ice crystal of accurate temperature, humidity and degree of supersaturation, but the experiment of active designs specified temp, humidity and degree of supersaturation is not easily carried out; The latter's cloud chamber then have ignored the value of degree of supersaturation, adopts experiential operating, brings difficulty to the repeatability of experiment and comparability.Along with the development of science and technology and the universal of computing machine, increasing research needs scientific design to test, and specifically studies, obtains general scientific law.Therefore, cloud chamber researcher urgently wishes that obtaining a kind of automatic control enters the device of the temperature and humidity of gas, and then under the condition obtaining specific ice face degree of supersaturation, research ice-nucleus forms the process of ice crystal in cloud chamber.
Summary of the invention
The object of the invention is to solve the defect existed in prior art, providing a kind of and can provide the method with specified moisture gas for the equipment of cloud physics and weather modification research Atmospheric Ice Nuclei or ice crystal.
In order to achieve the above object, the invention provides a kind of gas humidity autocontrol method for cloud chamber, the method is by being divided into two strands by the gas of cloud chamber to be entered, one drying forms dry air, another stock-traders' know-how humidification forms soft air, monitor the humidity of dry air and soft air respectively, according to the required gas temperature humidity preset, after dry air and soft air being mixed in proportion, pass into cloud chamber.
Wherein, humidification is realized by semi-permeable diaphragm pipe, and gas to be humidified, by pipe, manages outer water flowing, by changing the humidification state of gas to the adjustment of outside tube water temperature.
Present invention also offers a kind of gas humidity automatic control system for cloud chamber, comprise air pump, solenoid valve, drying tube, HEPA filtrator, warm and humid probe, humidifier, three-way connection; Enter the gas of cloud chamber by being divided into two strands after air pump, two strands of gases are respectively by after the solenoid valve of correspondence, and one by after described exsiccator, HEPA filtrator, enters above-mentioned three-way connection successively; Another stock is by entering above-mentioned three-way connection after humidifier; Two strands of gases are by being mixed into cloud chamber after above-mentioned three-way connection; Above-mentioned two strands of gases flow through corresponding warm and humid probe respectively before entering three-way connection.
Gas humidity automatic control system of the present invention also comprises water pot, well heater, temp probe, water pump; Water pot is connected with humidifier by water pump; Well heater and temp probe is provided with in water pot.
Above-mentioned gas automatic humidity control system also comprises central processing unit, display module, alarm module, memory module and Data Analysis Services module; Central processing unit is connected with Data Analysis Services module with solenoid valve, well heater, warm and humid probe, temp probe, display module, alarm module, memory module respectively.
Drying tube adopts silicone filler drying tube; HEPA strainer tube adopts Technical Sourcing Internation model P/N1602051 strainer tube; Humidifier adopts the ME-110-24 humidifier of PermaPure company; Warm and humid probe adopts Finland vaisalaHumitter50YE; Temp probe adopts platinum resistance PT1000; Well heater adopts German Tetra, HT150W.
The present invention has the following advantages compared to existing technology:
1, the present invention accurately can control the humidity entering cloud chamber gas, and cloud chamber changes gas temperature to preset temperature value, thus accurately obtains the face of the ice accurately degree of supersaturation presetting experiment needs.
2, the present invention adopts dry soft air to mix, and obtain the method for pre-set gas temperature and humidity, wherein humid gas is by semi-permeable diaphragm pipe, and humidified gases avoids the formation of aqueous water, thus decreases the accuracy impact that aqueous water measures follow-up ice-nucleus.
3, soft air of the present invention is by semi-permeable diaphragm pipe, carries out humidification, walks gas in pipe, and pipe is outer leakes water, and by the adjustment of water temperature, can change gas humidification state, thus can obtain predetermined moisture air fast, like this quickening subsequent experimental progress.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention for the gas humidity automatic control system of cloud chamber;
Fig. 2 is the structured flowchart of the present invention for the gas humidity automatic control system of cloud chamber.
In figure, 1-air pump, 2,13-solenoid valve, 3-drying tube, 4-HEPA strainer tube, 5, the warm and humid probe of 7-, 6-three-way connection, 8-humidifier, 9-temp probe, 10-water pot, 11-well heater, 12-water pump.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Device embodiment
The gas humidity automatic control system that the present invention is used for cloud chamber comprises air pump 1, solenoid valve 2, drying tube 3, HEPA strainer tube 4, warm and humid probe 5, three-way connection 6, warm and humid probe 7, humidifier tube 8, temp probe 9, water pot 10, well heater 11, water pump 12, solenoid valve 13, computer and volume control device.Wherein, drying tube adopts silicone filler drying tube, HEPA strainer tube adopts Technical Sourcing Internation (P/N1602051) strainer tube, humidifier adopts the ME-110-24 humidifier of PermaPure company, warm and humid probe adopts Finland vaisalaHumitter50YE, temp probe adopts platinum resistance PT1000, and well heater adopts German Tetra, HT150W.Volume control device adopts OMEGAFMA5542ST-24VDC.Computer comprises central processing unit, display module, memory module and Data Analysis Services module.Air pump 1 is bled and is entered solenoid valve 2,13, the central processing unit of computer controls the aperture of solenoid valve 2,13 according to volume control device, thus control two strands of gas flows, one gas enters drying tube 3, then enters HEPA filtrator 4, obtains cleaned air, flow through warm and humid probe 5, obtain the temperature and humidity of cleaned air, data are transferred to computer, are recorded in memory module; Another strand of gas enters humidifier 8 from solenoid valve 13, becomes soft air, flows through warm and humid probe 7, and obtain the temperature and humidity of soft air, data are transferred to computer, are recorded in memory module.Regulate the humidity of soft air, can by entering discharge outside humidifier 8 pipe and temperature controls: humidification water stores in water pot 10, through water pump 12, enter humidifier 8, back into water pot 10, the temperature data of water is obtained by temp probe 9, and water temperature can be heated by well heater 11, thus regulates soft air humidity.The cleaned air of computer according to acquisition and the temperature and humidity data of soft air, according to the humidity that experiment setting needs, in conjunction with data analysis and processing module, obtain dry wet gas current flow proportional, solenoid valve 2 and 13 aperture is regulated respectively by volume control device, make cleaned air and soft air proportionally enter three-way connection 6, obtain the air stream of the humidity of predetermined set value.Display module shows real time data to user; When the certain air themperature obtained and humidity, when being continued above preset value, alarm module sends warning, and the work of prompting user instrument is abnormal, needs adjustment.
Embodiment of the method 1
When needs acquisition 25 DEG C, relative humidity are 60% and flow be 10 liters/min of gases is follow-up ice-nucleus cloud chamber water lift vapour, by the air-flow of dry pipe end be 25 DEG C, relative humidity be 10% and flow be 3.89 liters/min of gas time, control by the air-flow of humidifier be 25 DEG C, relative humidity be 90% and flow be 6.11 liters/min and can obtain and setting value.
Embodiment of the method 2
When needs acquisition 25 DEG C, relative humidity are 80% and flow be 10 liters/min of gases is follow-up ice-nucleus cloud chamber water lift vapour, by the air-flow of dry pipe end be 25 DEG C, relative humidity be 10% and flow be 1.25 liters/min of gas time, control by the air-flow of humidifier be 25 DEG C, relative humidity be 90% and flow be 8.75 liters/min and can obtain and setting value.
Embodiment of the method 3
When needs acquisition 25 DEG C, relative humidity are 40% and flow be 10 liters/min of gases is follow-up ice-nucleus cloud chamber water lift vapour, by the air-flow of dry pipe end be 25 DEG C, relative humidity be 10% and flow be 6.25 liters/min of gas time, control by the air-flow of humidifier be 25 DEG C, relative humidity be 90% and flow be 3.75 liters/min and can obtain and setting value.
Claims (6)
1. the gas humidity autocontrol method for cloud chamber, it is characterized in that: described gas humidity autocontrol method is by being divided into two strands by the gas of cloud chamber to be entered, one drying forms dry air, another stock-traders' know-how humidification forms soft air, monitor the humidity of dry air and soft air respectively, according to the required gas humidity preset, after dry air and soft air being mixed in proportion, pass into cloud chamber.
2. gas humidity autocontrol method according to claim 1, is characterized in that: described humidification is realized by semi-permeable diaphragm pipe, and gas to be humidified, by pipe, manages outer water flowing, by changing the humidification state of gas to the adjustment of outside tube water temperature.
3. for a gas humidity automatic control system for cloud chamber, it is characterized in that: comprise air pump, solenoid valve, drying tube, HEPA filtrator, warm and humid probe, humidifier, three-way connection; Enter the gas of cloud chamber by being divided into two strands after air pump, two strands of gases are respectively by after the solenoid valve of correspondence, and one by after described exsiccator, HEPA filtrator, enters described three-way connection successively; Another stock is by entering described three-way connection after humidifier; Two strands of gases are by being mixed into cloud chamber after described three-way connection; Described two strands of gases flow through corresponding warm and humid probe respectively before entering three-way connection.
4. gas humidity automatic control system according to claim 3, is characterized in that: described gas humidity automatic control system also comprises water pot, well heater, temp probe, water pump; Described water pot is connected with described humidifier by water pump; Described well heater and temp probe is provided with in described water pot.
5. gas humidity automatic control system according to claim 4, is characterized in that: described gas humidity automatic control system also comprises central processing unit, display module, alarm module, memory module and Data Analysis Services module; Described central processing unit is connected with Data Analysis Services module with solenoid valve, well heater, warm and humid probe, temp probe, display module, alarm module, memory module respectively.
6. gas humidity automatic control system according to claim 5, is characterized in that: described drying tube adopts silicone filler drying tube; Described HEPA strainer tube adopts Technical Sourcing Internation model P/N1602051 strainer tube; Described humidifier adopts the ME-110-24 humidifier of PermaPure company.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107091854A (en) * | 2017-03-20 | 2017-08-25 | 中国科学院上海光学精密机械研究所 | Simulate experimental provision and its control method that femtosecond laser interacts with cirrocumulus |
| CN107121996A (en) * | 2017-07-04 | 2017-09-01 | 南京信息工程大学 | A kind of constant temperature and humidity control device and control method |
| CN107228923A (en) * | 2017-06-27 | 2017-10-03 | 中国科学院化学研究所 | A kind of preparation method of standard gaseous nitrous acid and generation system |
| CN108067107A (en) * | 2016-11-09 | 2018-05-25 | 中国辐射防护研究院 | A kind of moisture continuous generator of energy automatic control water level and temperature |
| CN110376238A (en) * | 2019-08-23 | 2019-10-25 | 成都信息工程大学 | A kind of airborne quick ice-nucleus activation counter |
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| CN100535817C (en) * | 2006-07-31 | 2009-09-02 | 陈坚 | Method for controlling air humidity of humiture test box and structure thereof |
| CN201440220U (en) * | 2009-06-19 | 2010-04-21 | 江苏出入境检验检疫局工业产品检测中心 | Relative humidity controller of volatile substance releasing cabin |
| KR101282679B1 (en) * | 2010-07-07 | 2013-07-12 | 현대자동차주식회사 | Method for operating fuel cell system |
| CN202177833U (en) * | 2011-08-05 | 2012-03-28 | 郑州光力科技股份有限公司 | Gas humidity adjusting device |
| CN102998720A (en) * | 2012-11-30 | 2013-03-27 | 重庆四达试验设备有限公司 | Method and device for calibrating dynamic response characteristic of sonde humidity by double flow method |
| CN104460733B (en) * | 2014-10-28 | 2017-02-15 | 重庆交通大学 | flowing gas humidity control device |
| CN104898726B (en) * | 2015-04-16 | 2017-05-17 | 香河国瑞智测试设备有限公司 | Humidity control system using infrared humidity measurement |
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| CN108067107A (en) * | 2016-11-09 | 2018-05-25 | 中国辐射防护研究院 | A kind of moisture continuous generator of energy automatic control water level and temperature |
| CN107091854A (en) * | 2017-03-20 | 2017-08-25 | 中国科学院上海光学精密机械研究所 | Simulate experimental provision and its control method that femtosecond laser interacts with cirrocumulus |
| CN107228923A (en) * | 2017-06-27 | 2017-10-03 | 中国科学院化学研究所 | A kind of preparation method of standard gaseous nitrous acid and generation system |
| CN107228923B (en) * | 2017-06-27 | 2024-04-05 | 中国科学院化学研究所 | Preparation method and generation system of standard gaseous nitrous acid |
| CN107121996A (en) * | 2017-07-04 | 2017-09-01 | 南京信息工程大学 | A kind of constant temperature and humidity control device and control method |
| CN110376238A (en) * | 2019-08-23 | 2019-10-25 | 成都信息工程大学 | A kind of airborne quick ice-nucleus activation counter |
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