CN101319668B - Wetting pump for driving micro-or nanofluids - Google Patents
Wetting pump for driving micro-or nanofluids Download PDFInfo
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- CN101319668B CN101319668B CN200710100269A CN200710100269A CN101319668B CN 101319668 B CN101319668 B CN 101319668B CN 200710100269 A CN200710100269 A CN 200710100269A CN 200710100269 A CN200710100269 A CN 200710100269A CN 101319668 B CN101319668 B CN 101319668B
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- 238000009736 wetting Methods 0.000 title claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 141
- 239000012530 fluid Substances 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000005086 pumping Methods 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000011521 glass Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 239000002210 silicon-based material Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 2
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Abstract
The present invention relates to a wetting pump for driving micro-or nanofluids, comprising: a micro liquid storage tank for storing liquid to be pumped; a micro-duct; the first end of the micro pipeline is communicated with the liquid storage tank; and a dry material block which is driven by the control mechanism to contact and communicate with the second end of the micro pipeline and is made of water-absorbing material; when the liquid storage tank is used, one end of the micro pipeline filled with liquid is communicated with the liquid storage tank, the drying material block is in fluid contact with the other end of the micro pipeline through the control mechanism, and the liquid in the liquid storage tank is led out due to capillary suction in the drying material block; if the liquid needs to be shut off, the contact between the dry material block and the fluid at the other end of the micro pipeline is cut off, and the fluid in the flow channel automatically stops flowing due to lack of wetting driving force. The method has the advantages of convenient operation, normal-temperature work, no moving parts, easy control, extremely low cost and the like.
Description
Technical field
The present invention relates to a kind of micropump that drives micron or nano-fluid motion based on the material wetting effect, be particularly related to a kind of by the wetting characteristics between liquid in the runner and outside drying material surface of introducing, drive with liquid container that runner is connected in fluid do particular flow be used to drive micron or the Wetting pump of nano-fluid.
Background technique
Micropump is the heart that microfluid system obtains power, is the important performer of micro sprue system, also is the important symbol of micro sprue system development level.In the many pumping theories that developed so far, comprise: utilize Der Grundsatz der Maschinen to produce pressure gradient with driving fluid (as: Piezoelectric Driving, electrostatically driven and centrifugal force driving etc.), utilize the surface tension driving fluid, utilize the electrical properties of fluid to drive its mobile (as: electric osmose character, electric hydraulic property, electromagnetism hydraulic property etc.) and thermodynamic-driven etc.
Though the mechanical compression micropump can not restricted in application facet, its structure and manufacturing process are quite complicated, and need higher energy input, so cost is higher.Utilize the method for driving of fluid electrical properties can be subjected to the restriction of fluid and pipe wall material, required high-voltage power can be brought safety when driving, power consumption is high and the problem such as big that takes up space, thereby is unfavorable for the microminiaturization of system.Some researchers also once proposed to produce pumping power based on heating mechanism, typical person such as periodicity inversion of phases Micropump, and it utilizes the periodic phase transformation of fluid to realize pump function by the circulation heating.But this pump adopts is that the conversion of liquid gas two-phase produces power and drives liquid, and heterogeneous mobile uncertain and gasification can produce bigger expansion, is difficult to guarantee to produce less, stable pumping power.This shows that for the runner of micrometer/nanometer yardstick, simple Micropump based on above-mentioned several mechanism can't satisfy the pumping requirement under the various situations fully.
Based on above consideration, the invention provides a kind of micropump that is used to drive micron or nano-fluid that utilizes material wetting effect driving fluid.
Summary of the invention
The objective of the invention is to overcome the defective of above-mentioned micropump, and a kind of Wetting pump that is used to drive micron or nano-fluid is provided, this Wetting pump is by being provided with specific dry matter piece outside the micro-/ nano runner that is full of a kind of liquid in inside, by the surface wetting characteristic between liquid in the runner and the dry matter piece, drive with liquid container that runner is connected in one other fluid make particular flow.
Technological scheme of the present invention is as follows:
The Wetting pump that is used to drive micron or nano-fluid provided by the invention comprises:
The miniature liquid container 1 of pumping liquid is treated in storage;
Micro-tube 2; First end 21 of described micro-tube 2 is connected with described liquid container 1; With
In use the driving by control mechanism contact with second end 22 of described micro-tube 2 and be communicated with have a dry matter piece 3 that the water absorbing capacity material is manufactured.
Described control mechanism contacts or leaves the control mechanism that moves back and forth for driving described dry matter piece 3 with respect to second end 22 of described micro-tube 2.
The Wetting pump that is used to drive micron or nano-fluid of the present invention also comprises a base plate 100; Described base plate 100 is made up of the second portion 102 that first portion 101 and upper surface are lower than first portion's 101 upper surfaces;
Described micro-tube 2 is fixed on first portion's 101 upper surfaces of described base plate 100, and second end 22 of micro-tube 2 leans out the side surface of the first portion 101 of described base plate 100; The second portion of described base plate 100 is provided with chute in (102), and the horizontal center line of described chute is parallel with the horizontal center line of micro-tube 2; Described dry matter piece 3 or the slide block 103 that is fixedly connected on dry matter piece 3 bottoms move in chute 103.
The Wetting pump that is used to drive micron or nano-fluid of the present invention also can described micro-tube 2 near the bypass water pocket 12 that the interior filling topping up body 5 that communicates with micro-tube 2 is set on the pipeline of first end 21; On the close pipeline of second end 22 of described micro-tube 2, the bypass air bag 13 that communicates with micro-tube 2 is set, does not contain blanketing gas in the described bypass air bag 13.
Described miniature liquid container 1 is the liquid container of glass or plastics.
Described micro-tube 2 is the micro-tube of glass, plastics, semiconductor silicon or metal material; The shape of cross section of described micro-tube 2 is circle, rectangle or triangle; Its cross-section area is of a size of 7.85 * 10
-7m
2～3.14 * 10
-18m
2Between.
Described micro-tube 2 is straight line type pipeline or spiral type pipe.
The dry matter piece is the material block that foam, sponge, fiber, water-absorbing resins are made, or is that cross-section area is less than micro-tube 2) the glass tubule of cross-section area.
The overall dimensions of described Wetting pump at 10nm * 10nm * 10nm between 50mm * 50mm * 50mm.
The present invention by the wetting characteristics between the liquid in dry matter piece 3 and the micro-tube 2 as the driving force for the treatment of pumping liquid in the pumping liquid container, when needs drive in the liquid container 1 treat that pumping liquid flows the time, by control mechanism dry matter piece 3 is contacted connection with second end 22 of micro-tube 2, because first end 21 of the micro-tube 2 of inner full of liquid is connected with liquid container 1, then micro-tube 2 liquid can flow because of the capillary pumped direction to dry matter piece 3 that takes place in dry matter piece 3, thereby the pumping liquid for the treatment of in the liquid container 1 is drawn; If need stop to draw the time, then dry matter piece 3 is moved apart second end of micro-tube 2 by control mechanism, micro-tube 2 inner fluids for want of wetting power drive and stop automatically flowing.
Wherein, the dry matter piece 3 with water absorbing properties can be made by natural matters such as sponge and paper pulp, also can adopt the resin material of high-hydroscopicity, even can utilize the diameter pipeline littler than micro-tube 2.Miniature conduit 2 can be made with multiple material, as glass, plastics, silicon or metal etc., according to fluid viscosity in the liquid container and surface tension coefficient and decide.
The flow velocity of Wetting pump is mainly controlled by being full of in the micro-tube 2 wetting characteristics of liquid in dry matter piece 3, promptly by the surface tension and the viscosity factor decision of the shape of dry matter piece 3, pore structure, pumping liquid.For example water-absorbing resins has fibrous, membranaceous, fish scale shape, spongy, granular, Powdered etc., the shape difference, and the water absorbing rate difference is very big, and the big more water absorbing rate of specific surface area is just high more; Material with porous structure also has higher rate of liquid aspiration; When the liquid that is full of microchannel had bigger surface tension and less viscosity factor, the wetting characteristics of liquid in dry matter was good more, and the flow velocity of Wetting pump is just big more.
The pump output of Wetting pump is mainly controlled by the liquid volume that is full of in the micro-tube 2.Duct length is long more, and the liquid volume of being filled is many more, and then the pump output of Wetting pump is big more.When needing the relatively large liquid of pumping and being reluctant to increase the volume of Wetting pump, then can utilize the micro-tube of screw type to connect liquid container and dry matter, so just can effectively improve the liquid pumping amount and don't increase the volume of pump.
And realize that micro-tube 2 and the method for dry matter piece 3 from the separated state to the contact condition also have many kinds.Shown in Fig. 3-1, Fig. 3-2 and Fig. 3-3, micro-tube 2 can be fixed on first portion's 101 upper surfaces of a base plate 100, second end 22 of micro-tube 2 leans out the side surface of the first portion 101 of base plate 100; Be provided with chute in the second portion 102 of base plate 100, the horizontal center line of described chute is parallel with the horizontal center line of micro-tube 2; Described dry matter piece 3 or the slide block 103 that is fixedly connected on dry matter piece 3 bottoms move in chute 103.When needs are opened Wetting pump, push ahead dry matter piece 3 or promote to be fixedly connected on the slide block 103 of dry matter piece 3 bottoms, dry matter piece 3 is contacted with second end 22 of micro-tube 2, and the wetting dry matter piece 3 of liquid 5 beginnings that this moment, micro-tube was filled also will treat that pumping liquid 4 pumps miniature liquid container 1; When needs are closed Wetting pump, to or promote to be fixedly connected on the slide block 103 of dry matter piece 3 bottoms backward to pusher dry matter piece 3, making dry matter piece 3 forced back towards initial position removes and the contacting of micro-tube 2, liquid stops wetting dry matter piece 3 in the micro-tube 2, stops to treat the pumping of pumping liquid 4 simultaneously.
Shown in Fig. 4-1, Fig. 4-2 and Fig. 4-3, also can on the close pipeline of first end 21 of micro-tube 2, the bypass water pocket 12 that communicates with micro-tube 2 be set; At the bypass air bag 13 that communicates with micro-tube 2 near setting on the pipeline of second end 22; And the filling liquid in the micro-tube 25 is stored in the bypass water pocket 12 in advance, and there is not blanketing gas in the bypass air bag 13; When needs are opened Wetting pump, extruding bypass water pocket 12 makes wherein filling liquid 5 be full of micro-tube 2 gradually and simultaneously the gas in the micro-tube 2 14 is entered bypass air bag 13, when filling liquid 5 contacts with dry matter piece 3, the wetting dry matter piece 3 of filling liquid 5 beginnings also will treat that pumping liquid 4 pumps out miniature liquid container 1; When needs are closed Wetting pump, thereby extruding bypass air bag 13 makes gas 14 wherein fill micro-tube 2 with the contact cut of filling liquid 5 with dry matter piece 3, just can stop to treat the pumping of pumping liquid 4 this moment.
If the liquid in the liquid container 1 is waste, in the time of only need being pumped out, pure water can be full of micro-tube 2, and selects sponge, paper pulp or water-absorbing resin that the liquid waste in the liquid container 1 is all pumped.
If the liquid in the liquid container 1 is a reactant, when needing with another liquid reactions, can use the principle of above-mentioned Wetting pump to fill this another reaction liquid in the micro-tube 2, two ends with micro-tube 2 are connected with liquid container 1 and dry matter piece 3 respectively again, two kinds of liquid are reacted being in contact with one another the interface place, and this interface stopped to micro-tube 2 central authorities, the gained reaction product can be directly used in microscopically and observe.
If need the liquid in the liquid container 1 is pumped and transports according to specific volume, can select to substitute the absorbent material piece with the micro-tube of wanting cube to conform to and diameter is slightly less than micro-tube 2 and link to each other, with the liquid quantitative taking-up and transport with micro-tube 2.
Equally, Wetting pump can also be applied to microfluidic devices such as fluid diverter common in the modern times " laboratory on the sheet ", concentrator, blender.
In sum, Wetting pump provided by the invention is that a kind of principle is simple, and simple operation is worked at normal temperatures, the micropump of movement-less part.Because the formation of Wetting pump only needs outside the runner of full of liquid dry matter to be set, so cost is very cheap, has very high price performance, especially is suitable among the disposable disposable detection type biological microchips.The central principle of this Wetting pump is to utilize fluid that fluid in its wetting characteristics " attraction " micro-tube 2 is taken place to flow, thereby the liquid in the liquid container 1 is drawn when dry matter piece 3 contact microchannels 2 inner fluids; And remove dry matter piece 3 afterwards and stop it and just can make fluid stop to flow with contacting of microchannel 2 inner fluids.Prior mechanical pressure micropump generally all can have moving element, and the micropump of other types then all needs high-voltage power and higher energy power consumption mostly, thereby causes micropump to exist cost costliness and stability and safety relatively poor etc. not enough.Wetting pump provided by the invention is that a kind of principle is simple, need not loaded down with trivial details processing technology, and cost is low, and new micro pump low in energy consumption, safety and stability, therefore is expected to become an important channel of Future Development micropump.
Description of drawings:
Fig. 1 is the structural representation of micropump provided by the invention.
Fig. 2 is the working principle schematic representation of micropump provided by the invention.
Fig. 3-1 is the schematic representation of control mechanism control Wetting pump switch of the present invention work to Fig. 3-3.
Fig. 4-1 uses the schematic representation of bypass water pocket and the work of bypass air bag controlled Wetting pump switch for the present invention to Fig. 4-3.
Fig. 5 is the work schematic representation of micropump provided by the invention in liquid distributor.
Fig. 6 is the work schematic representation of micropump provided by the invention in the liquid concentrator.
Fig. 7 is the work schematic representation of micropump provided by the invention when using volute.
Embodiment
Further describe the present invention below in conjunction with the drawings and specific embodiments:
Fig. 1 is the structural representation of micropump provided by the invention, and as seen from the figure, the Wetting pump that is used to drive micron or nano-fluid provided by the invention comprises: store the miniature liquid container 1 for the treatment of pumping liquid; Micro-tube 2; First end 21 of described micro-tube 2 is connected with described liquid container 1; In use the driving by control mechanism contact with second end 22 of described micro-tube 2 and be communicated with have a dry matter piece 3 that the water absorbing capacity material is manufactured.
Fig. 2 is the working principle schematic representation (being the A-A sectional view of Fig. 1) of micropump provided by the invention, as seen from Figure 2, when dry matter piece 3 contacts with second end 22 of described micro-tube 2 and is communicated with, when needs drive fluid in the runner mobile, micro-tube one end of inner full of liquid is linked to each other with liquid container, based on control mechanism drying material is contacted with micro-tube the other end place fluid, then capillary pumped the startup can be because of taking place in liquid in the runner, thereby the liquid in the liquid container is drawn; If need to turn-off liquid, then cut off contacting of drying material and micro-tube the other end place fluid, then runner inner fluid wetting power driving for want of and stop automatically flowing
Fig. 3-1 is the schematic representation of control mechanism of the present invention control Wetting pump switch work to Fig. 3-3, and as seen from the figure, control mechanism contacts or leave the control mechanism that moves back and forth for driving described dry matter piece 3 with respect to second end 22 of described micro-tube 2.
The Wetting pump that is used to drive micron or nano-fluid of present embodiment also comprises a base plate 100; Base plate 100 is made up of the second portion 102 that first portion 101 and upper surface are lower than first portion's 101 upper surfaces; Micro-tube 2 is fixed on first portion's 101 upper surfaces of described base plate 100, and second end 22 of micro-tube 2 leans out the side surface of the first portion 101 of base plate 100; Be provided with chute in the second portion 102 of base plate 100, the horizontal center line of chute is parallel with the horizontal center line of micro-tube 2; Dry matter piece 3 or the slide block 103 that is fixedly connected on dry matter piece 3 bottoms move in chute 103.
Schematic representation when Fig. 3-2 contact connection for dry matter piece 3 or the slide block 103 that is fixedly connected on dry matter piece 3 bottoms move to for 22 casees with second end of micro-tube 2 in chute 103; Fig. 3-3 leaves the schematic representation with second end 22 of micro-tube 2 for dry matter piece 3 or the slide block 103 that is fixedly connected on dry matter piece 3 bottoms move in chute 103.During use, sliding slider 103 makes dry matter piece 3 contact with second end 22 of micro-tube 2, the wetting dry matter piece 3 of filling liquid 5 beginning, and will treat that pumping liquid 4 sends miniature liquid container 1; When needs were closed Wetting pump, sliding slider 103 made dry matter piece 3 separate with second end 22 of micro-tube 2, thereby cut off contacting of filling liquid 5 and dry matter piece 3, just can stop to treat at this moment the pumping of pumping liquid 4.
Fig. 4-1 uses the schematic representation of bypass water pocket and the work of bypass air bag controlled Wetting pump switch for the present invention to Fig. 4-3; During use, extruding bypass water pocket 12 makes filling liquid 5 wherein flow to micro-tube 2 gradually, simultaneously the gas in the micro-tube 2 14 is discharged into bypass air bag 13, this moment, filling liquid 5 contacted with dry matter piece 3, the wetting dry matter piece 3 of filling liquid 5 beginnings, and will treat that pumping liquid 4 pumps out miniature liquid container 1; When needs were closed Wetting pump, extruding bypass air bag 13 was filled in the micro-tubes 2 gas 14 wherein, thereby cut off contacting of filling liquid 5 and dry matter piece 3, just can stop to treat at this moment the pumping of pumping liquid 4.
Fig. 5 is the work schematic representation of micropump provided by the invention at liquid distributor 15; Also be one embodiment of the present of invention.Dress was treated the miniature liquid container 1 and many pipelines that are connected with miniature liquid container 1 of pumping liquid 4 in liquid distributor was provided with, and each pipeline the other end connects second level sealing liquid container 7 separately.Connect identical micro-tube 2 and connect identical drying material piece 3 at the other end of second level sealing liquid container 7 at second end 22 of micro-tube 2.In the time of in the liquid in the miniature liquid container 1 need being dispensed to uniformly second level sealing liquid container 7, can adopt Fig. 3-1 drying material piece 3 to be contacted with micro-tube 2 to mode shown in Fig. 3-3, then the liquid in the micro-tube 2 is mobile because of the wetting characteristics in the dry matter piece produces, and simultaneously the liquid in the miniature liquid container 1 is dispensed to uniformly second level sealing liquid container 7.Equally also can utilize Fig. 4-1 to method shown in Fig. 4-3 Wetting pump to be carried out switch controls.
Fig. 6 is the work schematic representation of micropump provided by the invention at liquid concentrator 16; It also is another embodiment of the present invention.The liquid concentrator is provided with the miniature liquid container 1 and many pipelines that are connected with miniature liquid container 1 that a plurality of interior dresses are treated pumping liquid 4, and each pipeline the other end connects second level sealing liquid container 8 simultaneously.Be connected with micro-tube 2 and be connected drying material piece 3 at the other end of second level sealing liquid container 8 at second end 22 of micro-tube 2.In the time of in the liquid in the miniature liquid container 1 all need being concentrated to second level sealing liquid container 8, can adopt Fig. 3-1 drying material piece 3 to be contacted with micro-tube 2 to mode shown in Fig. 3-3, then the liquid in the micro-tube 2 is mobile because of the wetting characteristics in the dry matter piece produces, and simultaneously the liquid in the miniature liquid container 1 all is concentrated to second level sealing liquid container 8.Equally also can utilize Fig. 4-1 to method shown in Fig. 4-3 Wetting pump to be carried out switch controls.
Fig. 7 is the work schematic representation of micropump provided by the invention when using volute; Selected for use the microchannel of screw type to replace linear micro-tube 2 in this embodiment, pumping total amount that so just can very effective raising Wetting pump and don't increase the volume of Wetting pump.
The present invention also can replace the absorbent material piece with the micro-tube of drying, utilizes liquid that the wetting characteristics of the micro-tube of drying is pumped the liquid in the liquid container 1 equally; The amount of liquid that utilizes dry micro-tube to replace the absorbent material piece can more effective control to pump.
The present invention also can be provided with the T type pipeline of a full of liquid, the inner runner characteristics that adopt little blender of rectilinear duct, two inlets of T type pipeline are linked to each other with the miniature liquid container that contains two kinds of liquid respectively, simultaneously drying material is set at T type pipeline exit, with the liquid sucking-off that is full of in advance in the T type pipeline, make two kinds of liquid in the liquid container mixed, discard dry matter, one dry micro-tube is placed T type pipe outlet, utilize liquid that the wetting characteristics of dry matter is pumped mixture from T type pipeline.
The miniature liquid container 1 of the above embodiment of the present invention can be the liquid container of glass or plastics.
The micro-tube 2 of the above embodiment of the present invention can be the miniature conduit of glass, plastics, semiconductor silicon or metal material; The shape of cross section of described micro-tube 2 is circle, rectangle or triangle; Its cross-section area is of a size of 7.85 * 10
-7m
2～3.14 * 10
-18m
2Between; Micro-tube 2 can be straight line type pipeline or spiral type pipe.
The dry matter piece of the above embodiment of the present invention can be the material block that foam, sponge, fiber, water-absorbing resins are made, and that its internal structure can be is fibrous, membranaceous, fish scale shape, spongy, granular, Powdered etc.Also can be the glass tubule of cross-section area less than the cross-section area of micro-tube 2.
The overall dimensions of Wetting pump of the present invention at 10nm * 10nm * 10nm between 50mm * 50mm * 50mm.The present invention can select diameter, length and the liquid that is full of and the dry matter piece of micro-tube 2 according to the need pump output of target liq.
Wetting pump for driving micron or nano-fluid provided by the present invention can be used for numerous fluid channel fluids and drives occasion, and the not available advantage of many other type Micropumps is arranged:
1. drive easy, the reliability height.
2. need not high temperature or more multi-energy load process, drive and can finish at normal temperatures.
3. cost is low, need not adopt special little processing to realize pump configuration, is desirable disposable microfluidic device, particularly in the biochemistry analysis important use is arranged.
4. can realize the control of convenience and high-efficiency, size restriction in not managed road is suitable for especially the micro-/ nano fluid and drives.
5. Wetting pump can place the fluid end, and the fluid channel volume can be very little.
Certainly, Wetting pump also has its certain applicable situation:
1. at first, the Wetting pump driving force for driving micron or nano-fluid of the present invention is carried out and is changed to some extent with the liquid perfusion, and fluid is difficult for realizing at the uniform velocity mobile.
2. the work pipeline of Wetting pump need be full of liquid before work, so the more suitable disposable use of Wetting pump.
Claims (9)
1. a Wetting pump that is used to drive micron or nano-fluid is characterized in that, comprising:
The miniature liquid container (1) of pumping liquid is treated in storage;
Micro-tube (2); First end (21) of described micro-tube (2) is connected with described liquid container (1); With
In use the driving by control mechanism contact with second end (22) of described micro-tube (2) and be communicated with have a dry matter piece (3) that the water absorbing capacity material is manufactured.
2. by the described Wetting pump that is used to drive micron or nano-fluid of claim 1, it is characterized in that described control mechanism contacts or leave the control mechanism that moves back and forth for driving described dry matter piece (3) with respect to second end (22) of described micro-tube (2).
3. by claim 1 or the 2 described Wetting pumps that are used to drive micron or nano-fluid, it is characterized in that, also comprise a base plate (100); Described base plate (100) is made up of the second portion (102) that first portion (101) and upper surface are lower than first portion (101) upper surface;
Described micro-tube (2) is fixed on first portion (101) upper surface of described base plate (100), and second end (22) of micro-tube (2) leans out the side surface of the first portion (101) of described base plate (100); Be provided with chute in the second portion (102) of described base plate (100), the horizontal center line of described chute is parallel with the horizontal center line of micro-tube (2); Described dry matter piece (3) or the slide block (103) that is fixedly connected on dry matter piece (3) bottom move in chute (103).
4. by claim 1 or the 2 described Wetting pumps that are used to drive micron or nano-fluid, it is characterized in that, the bypass water pocket (12) of the interior filling topping up body (5) that communicates with micro-tube (2) is set on the close pipeline of first end (21) of described micro-tube (2); On the close pipeline of second end (22) of described micro-tube (2), the bypass air bag (13) that communicates with micro-tube (2) is set, does not contain blanketing gas in the described bypass air bag (13).
5. by the described Wetting pump that is used to drive micron or nano-fluid of claim 1, it is characterized in that described miniature liquid container (1) is the liquid container of glass or plastics.
6. by the described Wetting pump that is used to drive micron or nano-fluid of claim 1, it is characterized in that described micro-tube (2) is the micro-tube of glass, plastics, semiconductor silicon or metal material; The shape of cross section of described micro-tube (2) is circle, rectangle or triangle; Its cross-section area is of a size of 7.85 * 10
-7m
2～3.14 * 10
-18m
2Between.
7. by claim 1 or the 6 described Wetting pumps that are used to drive micron or nano-fluid, it is characterized in that described micro-tube (2) is straight line type pipeline or spiral type pipe.
8. by the described Wetting pump that is used to drive micron or nano-fluid of claim 1, it is characterized in that the dry matter piece is the material block of foam, sponge, fiber, water-absorbing resins making.
9. by the described Wetting pump that is used to drive micron or nano-fluid of claim 1, it is characterized in that, the overall dimensions of described Wetting pump at 10nm * 10nm * 10nm between 50mm * 50mm * 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710100269A CN101319668B (en) | 2007-06-06 | 2007-06-06 | Wetting pump for driving micro-or nanofluids |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710100269A CN101319668B (en) | 2007-06-06 | 2007-06-06 | Wetting pump for driving micro-or nanofluids |
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| Publication Number | Publication Date |
|---|---|
| CN101319668A CN101319668A (en) | 2008-12-10 |
| CN101319668B true CN101319668B (en) | 2010-05-26 |
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| CN200710100269A Expired - Fee Related CN101319668B (en) | 2007-06-06 | 2007-06-06 | Wetting pump for driving micro-or nanofluids |
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| CN102716772B (en) * | 2012-07-04 | 2014-04-02 | 南京大学 | Triggerable and disposable microchip liquid pump based on chemical reaction |
| CN106554511A (en) * | 2016-11-25 | 2017-04-05 | 深圳大学 | The polydimethylsiloxane sponge of polyvinyl alcohol modification and preparation method and Micropump |
| TWI754057B (en) * | 2018-05-21 | 2022-02-01 | 王源輝 | Liquid potential energy increasing device |
| CN114162274A (en) * | 2021-12-31 | 2022-03-11 | 杭州电子科技大学 | Self-driven bionic overwater dyeing robot and water body surface flow detection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977849A (en) * | 1973-01-29 | 1976-08-31 | U.S. Philips Corporation | Sorption pump |
| US4444734A (en) * | 1978-11-13 | 1984-04-24 | Hughes Aircraft Company | Process for pumping gases using a chemically reactive aerosol |
| US5401298A (en) * | 1993-09-17 | 1995-03-28 | Leybold Inficon, Inc. | Sorption pump |
| CN1215799A (en) * | 1997-10-15 | 1999-05-05 | 工程吸气公司 | Getter pump with high velocity of gas sorption |
-
2007
- 2007-06-06 CN CN200710100269A patent/CN101319668B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3977849A (en) * | 1973-01-29 | 1976-08-31 | U.S. Philips Corporation | Sorption pump |
| US4444734A (en) * | 1978-11-13 | 1984-04-24 | Hughes Aircraft Company | Process for pumping gases using a chemically reactive aerosol |
| US5401298A (en) * | 1993-09-17 | 1995-03-28 | Leybold Inficon, Inc. | Sorption pump |
| CN1215799A (en) * | 1997-10-15 | 1999-05-05 | 工程吸气公司 | Getter pump with high velocity of gas sorption |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101319668A (en) | 2008-12-10 |
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Application publication date: 20081210 Assignee: BEIJING DREAM INK TECHNOLOGIES Co.,Ltd. Assignor: Technical Institute of Physics and Chemistry Chinese Academy of Sciences Contract record no.: 2016990000417 Denomination of invention: Wetting pump for driving micrometre or nanometer fluid Granted publication date: 20100526 License type: Exclusive License Record date: 20161008 |
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