CN103225331B - Microfluidic air water taking device and water taking method employing water taking device - Google Patents
Microfluidic air water taking device and water taking method employing water taking device Download PDFInfo
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- CN103225331B CN103225331B CN201310189974.4A CN201310189974A CN103225331B CN 103225331 B CN103225331 B CN 103225331B CN 201310189974 A CN201310189974 A CN 201310189974A CN 103225331 B CN103225331 B CN 103225331B
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- temperature
- moisture absorption
- control circuit
- absorption chamber
- air inlet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The invention discloses a water taking method employing the water taking device, belongs to the fields of air water taking and microfluidic control and application, and in particular relates to a miniature water taking device for collecting drinking water, so as to solve the problem that the conventional water taking device is low in water taking efficiency. A one-way valve is arranged at an air inlet of an air inlet flow channel; an air outlet of the air inlet flow channel is communicated with an air inlet of a moisture absorption cavity; moisture absorption materials are filled with the moisture absorption cavity; a heating device is used for heating the moisture absorption cavity; an air outlet of the moisture absorption cavity is communicated with an air inlet of a condensing flow channel; the one-way valve is used for controlling air to enter the air inlet flow channel; an electric control unit comprises a temperature sensor, a temperature control circuit, a heating device and a timed control circuit; the temperature sensor is arranged in the moisture absorption cavity and is used for measuring the temperature in the moisture absorption cavity; and the temperature acquisition signal output end of the temperature sensor is connected with the temperature acquisition signal output end of the temperature control circuit. The miniature water taking device is suitable for air water taking.
Description
Technical field
The invention belongs to air water-intaking field and microfluidic control application, be specifically related to a kind of miniature water fetching device.
Background technology
At present, in market, more ripe air water fetching device mainly contains two kinds of absorption type and condensation and dewfall formulas.
Absorption type is the steam adopting in sorbing material absorbed air, then to material heating desorption, thereby the water fetching device of release water outlet.The performance of absorption type water fetching device is subject to the performance impact of sorbing material, and efficiency of producing drinking water is low.
Condensing is to utilize refrigeration dewfall principle to reduce air themperature by refrigerator, thereby makes the water in air vapor content state of reaching capacity separate out water droplet, then carries out the water fetching device of water droplet collection.
The vaporization of the refrigerator general using cooling fluid of condensing air water fetching device and compress and liquefy circularly cooling, therefore this water fetching device is bulky, and energy consumption is many, and efficiency of energy utilization is low and expensive.
Summary of the invention
The present invention, in order to solve the low problem of existing water fetching device efficiency of producing drinking water, has proposed to adopt the method for fetching water of micro-fluidic air water fetching device.
Micro-fluidic air water fetching device of the present invention, this device comprises machine assembly and electric control unit, described machine assembly comprises one way valve, air inlet runner, hygroscopic material, heater, moisture absorption chamber and condensation runner;
The air inlet port of air inlet runner is provided with one way valve, and the gas outlet of described air inlet runner is communicated with moisture absorption chamber air inlet port, and hygroscopic material is covered with and is arranged in moisture absorption chamber, and heater is for to the heating of moisture absorption chamber, and the gas outlet in moisture absorption chamber is communicated with the air inlet port of condensation runner;
One way valve is used for controlling air and enters air inlet runner;
Electric control unit comprises temperature pick up, temperature-control circuit, heater and timing control circuit;
Temperature pick up is placed in inside, moisture absorption chamber, for measuring the temperature in moisture absorption chamber;
The temperature acquisition signal output part of temperature pick up connects the temperature acquisition signal input part of temperature-control circuit, the temperature control signals output of described temperature-control circuit connects a switching value signal input part of heater, and the timing signal output of timing control circuit connects No. two switching value signal input parts of heater.
Adopt the method for fetching water of above-mentioned micro-fluidic air water fetching device, the concrete steps of the method are:
Step 1, open one way valve, air enters moisture absorption chamber by one way valve and air inlet runner, and the hygroscopic material in moisture absorption chamber absorbs airborne steam in moisture absorption chamber;
Step 2, by set timing control circuit set the heat time, timing control circuit control heater power switch open, heater heats n minute to moisture absorption chamber, n is positive number;
Step 3, employing temperature pick up gather the temperature in moisture absorption chamber, and this temperature value are issued to temperature-control circuit; Temperature-control circuit judges that whether this temperature value exceedes default absorption threshold temperature, if judged result is yes, performs step 31; If judged result is no, perform step three or two;
Step 3 one, the heating of temperature-control circuit control heater stop, the hygroscopic material in moisture absorption chamber produces steam at this temperature, and described steam flows into condensation runner and forms water droplet from moisture absorption chamber, complete micro-fluidic air water-intaking;
Step 3 two, employing temperature-control circuit control heater continue heating, and return to execution step three.
Advantage of the present invention is: realize and from air, absorb steam generation drinking water, utilize the device for fetching water from air of circularly cooling than tradition, the present invention produces the required little energy of unit bodies ponding, adopt the method for fetching water of micro-fluidic air water fetching device to be convenient to realize automatic control, reach the object of efficient water intaking, efficiency of producing drinking water improves 30% on year-on-year basis compared with existing water fetching device.
Brief description of the drawings
Fig. 1 is microfluid air water fetching device structural representation;
Fig. 2 is that the A-A of the microfluid air water fetching device described in Fig. 1 is to generalized section;
Fig. 3 is the electrical structure schematic diagram of electric control unit.
Detailed description of the invention
Detailed description of the invention one: present embodiment is described in conjunction with Fig. 1, Fig. 2 and Fig. 3, micro-fluidic air water fetching device described in present embodiment, this device comprises machine assembly and electric control unit, and described machine assembly comprises one way valve 1, air inlet runner 2, hygroscopic material 3, heater 4, moisture absorption chamber 5 and condensation runner 6;
The air inlet port of air inlet runner 2 is provided with one way valve 1, the gas outlet of described air inlet runner 2 is communicated with moisture absorption chamber 5 air inlet ports, hygroscopic material 3 is covered with and is arranged in moisture absorption chamber 5, and heater 4 is for heating to moisture absorption chamber 5, and the gas outlet in moisture absorption chamber 5 is communicated with the air inlet port of condensation runner 6;
One way valve 1 enters air inlet runner 2 for controlling air;
Electric control unit comprises temperature pick up 7, temperature-control circuit 8, heater 4 and timing control circuit 9;
Temperature pick up 7 is placed in 5 inside, moisture absorption chamber, for measuring the temperature in moisture absorption chamber 5;
The temperature acquisition signal output part of temperature pick up 5 connects the temperature acquisition signal input part of temperature-control circuit 8, the temperature control signals output of described temperature-control circuit 8 connects a switching value signal input part of heater, and the timing signal output of timing control circuit 9 connects No. two switching value signal input parts of heater.
Micro-fluidic air water fetching device described in present embodiment, can realize and from air, absorb steam generation drinking water, utilizes the device for fetching water from air of circularly cooling than tradition, and the present invention produces the required little energy of unit bodies ponding, and energy utilization rate is high.The present invention structurally utilizes microflow control technique, makes it be easy to realize miniaturization and integrated, can be convenient for carrying, and controls and produces water speed.In addition, device long service life, cheap, adopt microflow control technique to be convenient to realize automatic control, reach the object of efficient water intaking.
Structurally utilize microflow control technique, make it be easy to realize miniaturization and integrated, be convenient for carrying, cheap, and energy utilization rate is high, has reduced the wasting of resources.
Detailed description of the invention two: present embodiment is that condensation runner 6 is snakelike or spirality to the further illustrating of the micro-fluidic air water fetching device described in detailed description of the invention one.
Detailed description of the invention three: present embodiment is that timing control circuit 9 adopts 555 timers to the further illustrating of the micro-fluidic air water fetching device described in detailed description of the invention one.
Present embodiment is by 555 Timer Controlling adsorption time and heat times, twice be 1 to 200 minute adjustable, the adjustment of time, by two slide rheostat controls, realizes the circulation of absorption and heating two states automatically.In the time that the interior temperature in moisture absorption chamber 5 is greater than the predefined threshold value of sensor, temperature pick up 5 output low level signals, the reference voltage of this low level signal and voltage comparator compares, and output low level, stops heating, keeps temperature not rise; In the time that the interior temperature in moisture absorption chamber 5 is less than low predefined threshold value, the level signal of temperature pick up output is exported high level after over-voltage comparator, starts heating, elevates the temperature.It is temperature required when while controlling thus in moisture absorption chamber heating, temperature is always for hygroscopic material desorb.
Detailed description of the invention four: present embodiment is to the further illustrating of the micro-fluidic air water fetching device described in detailed description of the invention one, detailed description of the invention two or detailed description of the invention three, heater 4 adopts PI Electric radiant Heating Film, prints electrode patch or diaphragm type heater.
Detailed description of the invention five: present embodiment is that hygroscopic material 3 adopts silica gel, modified silica-gel, activated alumina, molecular sieve, hydrogel or polymer absorbent material to the further illustrating of the micro-fluidic air water fetching device described in detailed description of the invention one, detailed description of the invention two or detailed description of the invention three.
Detailed description of the invention six: present embodiment adopts the method for fetching water of the micro-fluidic air water fetching device described in detailed description of the invention one, and the concrete steps of the method are:
Step 1, open one way valve 1, air enters moisture absorption chamber 5 by one way valve 1 and air inlet runner 2, and the hygroscopic material 3 in moisture absorption chamber 5 absorbs the interior airborne steam in moisture absorption chamber 5;
Step 2, by set timing control circuit 9 set the heat time, timing control circuit 9 is controlled heater power switch 4 and is opened, heater 4 heats n minute to moisture absorption chamber 5, n is positive number;
Step 3, employing temperature pick up gather the temperature in moisture absorption chamber 5, and this temperature value are issued to temperature-control circuit 8; Temperature-control circuit 8 judges that whether this temperature value exceedes default absorption threshold temperature, if judged result is yes, performs step 31; If judged result is no, perform step three or two;
Step 3 one, the heating of temperature-control circuit control heater stop, the hygroscopic material in moisture absorption chamber 5 produces steam at this temperature, and described steam flows into condensation runner 6 and forms water droplet from moisture absorption chamber 5, complete micro-fluidic air water-intaking;
Step 3 two, employing temperature-control circuit control heater 4 continue heating, and return to execution step three.
Claims (5)
1. adopt the method for fetching water of micro-fluidic air water fetching device, the method adopts micro-fluidic air water fetching device to realize, this device comprises machine assembly and electric control unit, and described machine assembly comprises one way valve (1), air inlet runner (2), hygroscopic material (3), heater (4), moisture absorption chamber (5) and condensation runner (6);
The air inlet port of air inlet runner (2) is provided with one way valve (1), the gas outlet of described air inlet runner (2) is communicated with moisture absorption chamber (5) air inlet port, hygroscopic material (3) is covered with and is arranged in moisture absorption chamber (5), heater (4) is for giving moisture absorption chamber (5) heating, and the gas outlet of moisture absorption chamber (5) is communicated with the air inlet port of condensation runner (6);
One way valve (1) enters air inlet runner (2) for controlling air;
Electric control unit comprises temperature pick up (7), temperature-control circuit (8), heater (9) and timing control circuit (10);
Temperature pick up (7) is placed in inside, moisture absorption chamber (5), for measuring the temperature in moisture absorption chamber (5);
The temperature acquisition signal output part of temperature pick up (7) connects the temperature acquisition signal input part of temperature-control circuit (8), the temperature control signals output of described temperature-control circuit (8) connects a switching value signal input part of heater, and the timing signal output of timing control circuit (10) connects No. two switching value signal input parts of heater; It is characterized in that, adopt the concrete steps of the method for fetching water of micro-fluidic air water fetching device:
Step 1, open one way valve (1), air enters moisture absorption chamber (5) by one way valve (1) and air inlet runner (2), and the hygroscopic material (3) in moisture absorption chamber (5) absorbs airborne steam in moisture absorption chamber (5);
Step 2, by set timing control circuit (10) set the heat time, timing control circuit (10) control heater power switch (9) open, heater (4) heats n minute to moisture absorption chamber (5), n is positive number;
Step 3, employing temperature pick up gather the temperature in moisture absorption chamber (5), and this temperature value are issued to temperature-control circuit (8); Temperature-control circuit (8) judges that whether this temperature value exceedes default absorption threshold temperature, if judged result is yes, performs step 31; If judged result is no, perform step three or two;
Step 3 one, the heating of temperature-control circuit control heater stop, the hygroscopic material in moisture absorption chamber (5) produces steam at this temperature, and described steam flows into condensation runner (6) and forms water droplet from moisture absorption chamber (5), completes micro-fluidic air water-intaking;
Step 3 two, employing temperature-control circuit control heater (4) continue heating, and return to execution step three.
2. the method for fetching water of the micro-fluidic air water fetching device of employing according to claim 1, is characterized in that, condensation runner (6) is snakelike or spirality.
3. the method for fetching water of the micro-fluidic air water fetching device of employing according to claim 1, is characterized in that, timing control circuit (10) adopts 555 timers.
4. according to the method for fetching water of the micro-fluidic air water fetching device of employing described in claim 1,2 or 3, it is characterized in that, heater (4) adopts PI Electric radiant Heating Film, prints electrode patch or diaphragm type heater.
5. according to the method for fetching water of the micro-fluidic air water fetching device of employing described in claim 1,2 or 3, it is characterized in that, hygroscopic material (3) adopts silica gel, modified silica-gel, activated alumina, molecular sieve, hydrogel or polymer absorbent material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310189974.4A CN103225331B (en) | 2013-05-21 | 2013-05-21 | Microfluidic air water taking device and water taking method employing water taking device |
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| CN201310189974.4A CN103225331B (en) | 2013-05-21 | 2013-05-21 | Microfluidic air water taking device and water taking method employing water taking device |
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| CN103225331A CN103225331A (en) | 2013-07-31 |
| CN103225331B true CN103225331B (en) | 2014-07-30 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105275051A (en) * | 2015-09-11 | 2016-01-27 | 武汉大学 | Air condensed water collector |
| CN113152590B (en) * | 2021-04-27 | 2022-12-23 | 上海海事大学 | Improved solar adsorption type air water taking device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5669221A (en) * | 1996-04-08 | 1997-09-23 | Worldwide Water, Inc. | Portable, potable water recovery and dispensing apparatus |
| CN1312876A (en) * | 1998-06-17 | 2001-09-12 | 水技术M·A·S·有限公司 | Method and apparatus for extracting water from atmospheric air |
| CN1804244A (en) * | 2006-01-20 | 2006-07-19 | 天津商学院 | Apparatus for water production from air by employing solar-powered intermittent absorption refrigeration |
| CN201039472Y (en) * | 2007-04-09 | 2008-03-19 | 宫国辉 | An electric heating carpet |
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2013
- 2013-05-21 CN CN201310189974.4A patent/CN103225331B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5669221A (en) * | 1996-04-08 | 1997-09-23 | Worldwide Water, Inc. | Portable, potable water recovery and dispensing apparatus |
| CN1312876A (en) * | 1998-06-17 | 2001-09-12 | 水技术M·A·S·有限公司 | Method and apparatus for extracting water from atmospheric air |
| CN1804244A (en) * | 2006-01-20 | 2006-07-19 | 天津商学院 | Apparatus for water production from air by employing solar-powered intermittent absorption refrigeration |
| CN201039472Y (en) * | 2007-04-09 | 2008-03-19 | 宫国辉 | An electric heating carpet |
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