CN105183027B - A kind of gas humidity automatic control system for cloud chamber - Google Patents
A kind of gas humidity automatic control system for cloud chamber Download PDFInfo
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- CN105183027B CN105183027B CN201510652881.XA CN201510652881A CN105183027B CN 105183027 B CN105183027 B CN 105183027B CN 201510652881 A CN201510652881 A CN 201510652881A CN 105183027 B CN105183027 B CN 105183027B
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Abstract
The invention discloses a kind of gas temperature and humidity regimes and method for cloud chamber.This method by the gas of cloud chamber to be entered by being divided into two strands, one stock-traders' know-how is dried to form dry air, and another stock-traders' know-how humidifies to form humid air, and the humiture of dry air and humid air is monitored respectively, according to required default gas humiture, cloud chamber is passed through after dry air and humid air are mixed in proportion.Energy of the invention is used to be provided for the equipment of cloud physics and weather modification research Atmospheric Ice Nuclei or ice crystal with specified moisture gas.
Description
Technical field
The present invention relates to atmospheric science field, more particularly to for cloud physics and weather modification research Atmospheric Ice Nuclei or
The equipment of ice crystal provides specified moisture and the device of degree of supersaturation.
Background technology
Do not have under conditions of Atmospheric Ice Nuclei, pure water drop is needed in very low temperature（Less than -40 DEG C）Ice crystal could be formed, and
When there is Atmospheric Ice Nuclei, then steam can form ice crystal under higher temperature conditions.Therefore Atmospheric Ice Nuclei is to cloud, precipitation and weather
Effect has important influence, is a basic research direction of cloud physics and weather modification research.The stage is studied now
The infrastructure device of ice nucleus formation ice crystal is cloud chamber.Foreign countries have carried out the observational study project of extensive ice-nucleus in 1964,
And China has also just carried out to ice-nucleus research in the eighties of last century sixties.The development studied with ice-nucleus, it is main at present to use
Scope be cloud chamber, also there is related invention patent in China（For example：The cloud chamber and cloud chamber that count are activated for air ice ice-nucleus
System, the patent No.：201210150601.1；The Mobile mixed cloud chamber of supercooled fog, the patent No. can be continuously provided：
200410039457.X）.
In these cloud chambers, some cloud chambers otherwise use fixed survey for the control of the temperature, humidity and degree of supersaturation of steam
Value（Such as, the patent of the cloud chamber counted and cloud chamber system is activated for air ice ice-nucleus）, cloud chamber is using absolute vacuum and low temperature
In the case of, when the temperature and pressure control in water pot arrives extremely low, open the connecting valve of water pot and cloud chamber so that steam enters cloud
Room, so that the supersaturated angle value of given ice face is calculated, but this ice face degree of supersaturation can not accurately control preset value, Zhi Nengjing
Really measure actual value；Other domestic existing cloud chambers then use absolute ice face degree of supersaturation（Such as, the movement of supercooled fog can be continuously provided
Formula mixed cloud chamber）, that is, it is passed through excessive steam, it is ensured that cloud chamber environment is in ice face supersaturation value, ignores or does not measure satiety
And degree.For the former cloud chamber by controlling the method that temperature, humidity obtain specific ice face degree of supersaturation, although can accurately measure
Ice face degree of supersaturation, obtains the process of the ice nucleus formation ice crystal of accurate temperature, humidity and degree of supersaturation, but active designs are special
The experiment of constant temperature degree, humidity and degree of supersaturation is difficult to carry out；And the latter's cloud chamber then have ignored the value of degree of supersaturation, grasped using experience
Make, the repeatability and comparativity to experiment bring difficulty.With the development and the popularization of computer of science and technology, more and more grind
Studying carefully needs scientific design to test, and is specifically studied, and obtains universal scientific law.Therefore, cloud chamber researcher is highly desirable
A kind of device automatically controlled into the temperature and humidity of gas is obtained, and then obtains the condition of specific ice face degree of supersaturation
Under, research ice-nucleus forms the process of ice crystal in cloud chamber.
The content of the invention
Can be cloud physics and artificial shadow the invention aims to solve defect present in prior art there is provided one kind
The equipment for ringing weather research Atmospheric Ice Nuclei or ice crystal provides the method with specified moisture gas.
In order to achieve the above object, the invention provides a kind of gas humidity autocontrol method for cloud chamber, the party
Method by the gas of cloud chamber to be entered by being divided into two strands, and a stock-traders' know-how is dried to form dry air, and another stock-traders' know-how humidifies to form humid air,
The humidity of monitoring dry air and humid air respectively, according to required default gas humiture, by dry air and humid air press than
Cloud chamber is passed through after example mixing.
Wherein, humidification is realized by semi-transparent membrane tube, and gas to be humidified is by pipe, managing outer water flowing, by outside tube water
The regulation of temperature changes the humidification state of gas.
Present invention also offers a kind of gas humidity automatic control system for cloud chamber, including air pump, solenoid valve,
Drying tube, HEPA filters, warm and humid probe, humidifier, three-way connection；Gas into cloud chamber by being divided into two strands after air pump,
Two strands of gases respectively by corresponding solenoid valve after, one is passed sequentially through after the drier, HEPA filters, into upper
State three-way connection；Another stock is by entering above-mentioned three-way connection after humidifier；Two strands of gases after above-mentioned three-way connection by mixing
Into cloud chamber；Above-mentioned two strands of gas flows separately through corresponding warm and humid probe before entering three-way connection.
Gas humidity automatic control system of the present invention also includes water pot, heater, temp probe, water pump；Water pot passes through water
Pump is connected with humidifier；Heater and temp probe are provided with water pot.
Above-mentioned gas automatic humidity control system also include central processing unit, display module, alarm module, memory module and
Data Analysis Services module；Central processing unit respectively with solenoid valve, heater, warm and humid probe, temp probe, display mould
Block, alarm module, memory module are connected with data analysis and processing module.
Drying tube uses silicone filler drying tube；HEPA screen pipes use Technical Sourcing Internation's model P/N1602051 screen pipes；
Humidifier uses the ME-110-24 humidifiers of Perma Pure companies；Warm and humid probe uses Finland vaisala Humitter
50YE；Temp probe uses RTD PT1000；Heater is using Germany Tetra, HT150W.
The present invention has advantages below compared with prior art：
1st, the present invention can accurately control the humidity into cloud chamber gas, and cloud chamber changes gas temperature to preset temperature value,
So as to accurately obtain the accurate ice face degree of supersaturation that default experiment needs.
2nd, the present invention is using the mixing of dry and wet air, the method for obtaining pre-set gas temperature and humidity, and wherein humid gas is logical
Semi-permeable membrane pipe, humidifies gas, it is to avoid the formation of aqueous water, so as to reduce the accuracy that aqueous water is measured follow-up ice-nucleus
Influence.
3rd, humid air of the present invention is humidified by semi-transparent membrane tube, and gas is walked in pipe, and pipe is outer to leak water, and passes through water temperature
Regulation, can change gas humidification state, so as to quickly obtain predetermined humid air, so accelerate subsequent experimental progress.
Brief description of the drawings
Structural representations of the Fig. 1 for the present invention for the gas humidity automatic control system of cloud chamber；
Structured flowcharts of the Fig. 2 for the present invention for the gas humidity automatic control system of cloud chamber.
In figure, 1- air pumps, 2,13- solenoid valves, 3- drying tubes, 4-HEPA screen pipes, 5, the warm and humid probes of 7-, 6- threeways
Joint, 8- humidifiers, 9- temp probes, 10- water pots, 11- heaters, 12- water pumps.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
Device embodiment
The present invention for cloud chamber gas humidity automatic control system include air pump 1, solenoid valve 2, drying tube 3,
HEPA screen pipes 4, it is warm and humid probe 5, three-way connection 6, it is warm and humid probe 7, humidifier tube 8, temp probe 9, water pot 10, heater 11,
Water pump 12, solenoid valve 13, computer and volume control device.Wherein, drying tube uses silicone filler drying tube, HEPA filterings
Pipe uses Technical Sourcing Internation (P/N1602051) screen pipe, and humidifier uses the ME-110-24 humidifiers of Perma Pure companies, temperature
Wet probe uses Finland vaisala Humitter 50YE, and temp probe uses RTD PT1000, and heater is using Germany
Tetra, HT150W.Volume control device uses OMEGA FMA5542ST-24VDC.Computer includes central processing unit, display mould
Block, memory module and data analysis and processing module.The pumping of air pump 1 enters solenoid valve 2,13, the central processing unit root of computer
The aperture of solenoid valve 2,13 is controlled according to volume control device, so as to control two strands of gas flows, one gas enters drying
Pipe 3, enters back into HEPA filters 4, obtains cleaned air, flows through warm and humid probe 5, obtains the temperature and humidity of cleaned air, number
According to computer is transferred to, it is recorded in memory module；Another strand of gas enters humidifier 8 from solenoid valve 13, as humid air,
Warm and humid probe 7 is flowed through, the temperature and humidity of humid air is obtained, data are transferred to computer, are recorded in memory module.Adjust wet sky
The humidity of gas, can be controlled by the water-carrying capacity and temperature entered outside the pipe of humidifier 8：In humidification water storage water pot 10, warp
Water pump 12, into humidifier 8, back into water pot 10, the temperature data of water is obtained by temp probe 9, and water temperature can pass through heating
Device 11 is heated, so as to adjust humid air humidity.Computer is according to the cleaned air of acquisition and the temperature and humidity number of humid air
According to the humidity needed according to experiment setting, with reference to data analysis and processing module, obtains dry and wet air flow rate ratio, passes through flow
Control device adjusts the aperture of solenoid valve 2 and 13 respectively so that cleaned air and humid 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 certain Air Temperature of acquisition
Degree and humidity, when being continued above preset value, alarm module sends alarm, points out the work of user's instrument abnormal, it is necessary to adjust
It is whole.
Embodiment of the method 1
When need obtain 25 DEG C, relative humidity is 60% and flow is that 10 liters/min of gases are follow-up ice-nucleus cloud chamber water lift vapour
When, by the air-flow for drying pipe end be 25 DEG C, relative humidity be 10% and when flow is 3.89 liters/min of gas, control by plus
The air-flow of wet device is 25 DEG C, relative humidity is 90% and flow is 6.11 liters/min and can obtained and setting value.
Embodiment of the method 2
When need obtain 25 DEG C, relative humidity is 80% and flow is that 10 liters/min of gases are follow-up ice-nucleus cloud chamber water lift vapour
When, by the air-flow for drying pipe end be 25 DEG C, relative humidity be 10% and when flow is 1.25 liters/min of gas, control by plus
The air-flow of wet device is 25 DEG C, relative humidity is 90% and flow is 8.75 liters/min and can obtained and setting value.
Embodiment of the method 3
When need obtain 25 DEG C, relative humidity is 40% and flow is that 10 liters/min of gases are follow-up ice-nucleus cloud chamber water lift vapour
When, by the air-flow for drying pipe end be 25 DEG C, relative humidity be 10% and when flow is 6.25 liters/min of gas, control by plus
The air-flow of wet device is 25 DEG C, relative humidity is 90% and flow is 3.75 liters/min and can obtained and setting value.
Claims (2)
1. a kind of gas humidity automatic control system for cloud chamber, it is characterised in that：Including air pump, solenoid valve, drying
Pipe, HEPA filters, warm and humid probe, humidifier, three-way connection；Gas into cloud chamber is by being divided into two strands, two strands after air pump
Gas respectively by corresponding solenoid valve after, one is passed sequentially through after the drying tube, HEPA filters, into described three
Pass joint；Another stock is by entering the three-way connection after humidifier；Two strands of gases are pressed according to required default gas humidity
Ratio after the three-way connection by being mixed into cloud chamber；Two strands of gas flows separately through corresponding before entering three-way connection
Warm and humid probe；The gas humidity automatic control system also includes water pot, heater, temp probe, water pump；The water pot passes through
Water pump is connected with the humidifier；The heater and temp probe are provided with the water pot；The gas humidity is automatically controlled
System also includes central processing unit, display module, alarm module, memory module and data analysis and processing module；The centre
Manage device respectively with solenoid valve, heater, warm and humid probe, temp probe, display module, alarm module, memory module sum
It is connected according to analysis and processing module.
2. gas humidity automatic control system according to claim 1, it is characterised in that：The drying tube is filled out using silica gel
Fill drying tube；The HEPA screen pipes use P/N1602051 screen pipes；The humidifier uses ME-110-24 humidifiers.
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| CN201510652881.XA CN105183027B (en) | 2015-10-10 | 2015-10-10 | A kind of gas humidity automatic control system for cloud chamber |
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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 |
| 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 |
| CN107121996B (en) * | 2017-07-04 | 2022-07-01 | 南京信息工程大学 | Constant temperature and humidity control device and control method |
| CN110376238B (en) * | 2019-08-23 | 2024-05-24 | 成都信息工程大学 | Airborne quick ice core activation counter |
| CN111261002A (en) * | 2020-01-20 | 2020-06-09 | 北京易盛泰和科技有限公司 | Device and method for simulating cloud cluster encounter |
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