CN203520202U - Integrated microfluid control system - Google Patents
Integrated microfluid control system Download PDFInfo
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- CN203520202U CN203520202U CN201320629619.XU CN201320629619U CN203520202U CN 203520202 U CN203520202 U CN 203520202U CN 201320629619 U CN201320629619 U CN 201320629619U CN 203520202 U CN203520202 U CN 203520202U
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- fine setting
- control
- platen
- setting rotating
- rotating disk
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Abstract
The utility model relates to a control system for a microfluid control structure system and belongs to the field of design of a micro mechanical system. Four bedplate supporting lugs are arranged at the four corners of a control bedplate. Horizontal debugging plates are arranged in the bedplate supporting lugs. A pair of guiderails is arranged on the control bedplate. Clamping rods are set up on the guiderails. Clamp gusset plates are hinged on the clamping rods. A horizontal liquid-bubble device is arranged at a position of the control bedplate. The control bedplate is divided into two layers of face plates. Spherical fluid sacs are arranged at the four corners between the two layers respectively. The spherical fluid sacs are communicated with hydraulic chambers through hydraulic pipes. Each hydraulic chamber is separated from a corresponding hydraulic cavity through a pair of clamp springs. Pistons are arranged in the hydraulic chambers. One end of each piston is connected with a threaded rod which is provided with a thread plate. The outer wall of each hydraulic chamber is provided with liquid-chamber scales. Through clamping a microfluid chip on the control bedplate and adjusting adaptability of the horizontal plane of the microfluid chip in four directions from three dimensions, the control system for the microfluid control structure system realizes flow direction and flow rate control of the microfluid.
Description
Technical field
The utility model relates to a kind of control system of microflow control structure system, belongs to micro mechanical system design field.
Background technology
Insider knows that it is a kind of microfluid phenomenon that electricity soaks, and it has started to be used as widely the driving mechanism of various fluids and electro-optic device; Electricity is wetting to be referred to by changing voltage between drop and insulated substrate, changes the wetting state of drop on substrate, changes contact angle, makes the phenomenon of drop generation deformation, displacement.The so-called wetting a kind of fluid that refers to solid surface is by process that one other fluid replaced.Liquid is sprawled at solid surface energy, and solid-liquid contact face has the trend of expansion, and liquid is greater than its cohesion to the adhesion of solid surface, is exactly wetting.Liquid can not be sprawled at solid surface, and surface of contact has and is shrunk to spherical trend, is exactly nonwetting, and nonwetting is exactly that liquid is less than its cohesion to the adhesion of solid surface.The wettability effect on water resistant surface can change with voltage (therefore named electricity wetting), makes surface become more hydrophilic (moistening).Due to the more water suction that becomes now of the surface of original water resistant, oil reservoir has to change its form.It is the basis of electric wetted applications that this interface property is controlled.And micro-fluidic chip technology is that the basic operation units such as the sample preparation of biological, chemistry, medical analysis process, reaction, separation, detection are integrated on the chip of a micro-meter scale, automatically complete analysis overall process.Due to its great potential in fields such as biology, chemistry, medical science, developed into the brand-new research field of the subject crossing such as a biology, chemistry, medical science, fluid, electronics, material, machinery.The international recent development of micro-fluidic chip technical field is introduced in report, in conjunction with speaker's micro-fluidic chip research and development for many years achievement, introduces a set of complete and unique chip manufacturing process technology, and the microchip of multiple different application.
China Patent No.: 2009100286968 patent, it has set forth a kind of novel microflow control structure, this structure is utilized the wetting ultimate principle of electricity, by the spatial gradient of control medium thickness, form the spatial gradient of wetting state, thereby realized the control of microfluidic flow direction and flowing velocity.Its embodiment is to be provided with dielectric layer in the conductive substrates of structure, is provided with lyophobic layers on dielectric layer, and the both sides in lyophobic layers are provided with both sides barrier, is provided with top barrier on the barrier of both sides; By the space between lyophobic layers, both sides barrier, top barrier, form mobile cavity, microfluid is arranged in the cavity that flows; The thickness of dielectric layer successively decreases gradually along the flow direction of microfluid.When microfluid flows through cavity, microfluid by both sides barrier or top barrier as electrode application voltage.
The core of its patent is by control medium thickness, makes liquid be subject to gravity and stream from high to lower; Thereby the speed that therefore thickness of medium has directly affected miniflow has affected wetting state.But its dielectric thickness changing value of this utility model is constant, so its speed of controlling miniflow is a definite value; And for a microfluidic control chip, the liquid of its test is that viscosity is all different, therefore the medium of this fixedly gradient is too stiff, and application is wideless, the too small drawback of the scope of application.And more to have a fatal drawback be that it must guarantee that its clamping plane is surface level when using micro flow chip, not so the medium of its gradient does not reach the object of controlling flowing velocity and direction.
Summary of the invention
In order to overcome at present, by mounting medium, control the spatial gradient that forms wetting state, thereby realize the shortcoming and defect of the control of microfluidic flow direction and flowing velocity, the purpose of this utility model is to provide a kind of microfluidic control chip three-dimensional space position to control, thereby has indirectly realized the variable object of dielectric thickness.
The technical scheme that the utility model solves its technical matters employing is: integrated microfluidic control system, its structure mainly comprises: control platen, platen spike, level debugging dish, spheroid liquid capsule, horizontal vacuole device, guide rail, supporting rod, buckle board, wind, micro flow chip, hydraulic tube, hydraulic pressure thorax, hydraulic cavities, piston, screw thread dish, screw rod, liquid thorax scale, upper left fine setting rotating disk, lower-left fine setting rotating disk, upper right fine setting rotating disk, bottom right fine setting rotating disk, jump ring, described four jiaos of places of control platen are provided with four platen spikes, in platen spike, be provided with level debugging dish, control platen and be provided with pair of guide rails, added the standing of guide rail has a supporting rod, is hinged with buckle board on supporting rod, control platen one place and be provided with horizontal vacuole device,
Described control platen divides two-layer panel, at four jiaos of places in two-layer centre position, is respectively provided with spheroid liquid capsule; Spheroid liquid capsule connects by hydraulic tube and hydraulic pressure thorax; Hydraulic pressure thorax and hydraulic cavities separate by a pair of jump ring; In hydraulic pressure thorax, be provided with piston, piston one end is connected with screw rod, and screw rod is provided with screw thread dish; The outer wall of hydraulic pressure thorax is provided with liquid thorax scale;
Rotating disk, lower-left fine setting rotating disk, upper right fine setting rotating disk, four fine setting rotating disks of bottom right fine setting rotating disk are finely tuned in the upper left that is provided with that four described spheroid liquid capsules are corresponding with it; Four fine setting rotating disks are hinged by one end of screw rod respectively; Four fine setting rotating disks are provided with knob, pointer, scale.
Above-mentioned hydraulic tube is rigid pipe.
Above-mentioned its every flight pitch of screw thread dish be 17 ~ 22 circle/centimetre.
The spacing of above-mentioned its two-layer panel of control platen is 0.8cm ~ 2cm.
Above-mentioned supporting rod one end is also hinged with wind.
The beneficial effect the utlity model has is: by clamping micro flow chip, in controlling on platen, then its four direction three-dimensional is adjusted to the adaptability height of its surface level, thereby realized the control of microfluidic flow direction and flowing velocity; Surface level is adjusted precision and has been reached 7 percent ~ 15 precision of every centimetre, and this kind of precision reached controls requirement capillaceous; Whether by controlling the horizontal debugging control of platen early stage, having got rid of surface level position in outer bound pair test process affects accurately; Realization of debugging by the fine setting rotating disk with knob, pointer, scale surface level obliquity visual.
Accompanying drawing explanation
Fig. 1 is the whole formation of the integrated microfluidic control system of the utility model schematic diagram.
Fig. 2 is the structural representation of a micro flow chip of the integrated microfluidic control system clamping of the utility model.
Fig. 3 is the core component structural representation of the integrated microfluidic control system surface level height of the utility model fine adjustment.
In figure, 1-controls platen, 2-platen spike, 3-level debugging dish, 4-spheroid liquid capsule, the horizontal vacuole device of 5-, 6-guide rail, 7-supporting rod, 8-buckle board, 9-wind, 10-micro flow chip, 11-hydraulic tube, 12-hydraulic pressure thorax, 13-hydraulic cavities, 14-piston, 15-screw thread dish, 16-screw rod, 17-liquid thorax scale, 18-upper left fine setting rotating disk, 19-lower-left fine setting rotating disk, 20-upper right fine setting rotating disk, 21-bottom right fine setting rotating disk, 22-jump ring.
Embodiment
Below in conjunction with accompanying drawing 1-3, embodiment of the present utility model is made a detailed explanation.
Embodiment: integrated microfluidic control system, its structure mainly comprises: control platen 1, platen spike 2, level debugging dish 3, spheroid liquid capsule 4, horizontal vacuole device 5, guide rail 6, supporting rod 7, buckle board 8, wind 9, micro flow chip 10, hydraulic tube 11, hydraulic pressure thorax 12, hydraulic cavities 13, piston 14, screw thread dish 15, screw rod 16, liquid thorax scale 17, upper left fine setting rotating disk 18, lower-left fine setting rotating disk 19, upper right fine setting rotating disk 20, bottom right fine setting rotating disk 21, jump ring 22, described 1 four jiaos of places of control platen are provided with four platen spikes 2, in platen spike 2, be provided with level debugging dish 3, control platen 1 and be provided with pair of guide rails 6, added the standing of guide rail 6 has a supporting rod 7, is hinged with buckle board 8 on supporting rod 7, control platen 1 one places and be provided with horizontal vacuole device 5,
Described 1 minute two-layer panel of control platen, is respectively provided with spheroid liquid capsule 4 at four jiaos of places in two-layer centre position; Spheroid liquid capsule 4 connects by hydraulic tube 11 and hydraulic pressure thorax 12; Hydraulic pressure thorax 12 separates by a pair of jump ring 22 with hydraulic cavities 13; In hydraulic pressure thorax 12, be provided with piston 14, piston 14 one end are connected with screw rod 16, and screw rod 16 is provided with screw thread dish 15; The outer wall of hydraulic pressure thorax 12 is provided with liquid thorax scale 17;
Rotating disk 18, lower-left fine setting rotating disk 19, upper right fine setting rotating disk 20,21 4 fine setting rotating disks of bottom right fine setting rotating disk are finely tuned in the upper left that is provided with that four described spheroid liquid capsules 4 are corresponding with it; Four fine setting rotating disks are hinged by one end of screw rod 16 respectively; Four fine setting rotating disks are provided with knob, pointer, scale.
Described hydraulic tube 11 is rigid pipe.
Described screw thread dish 15 its every flight pitch be 17 ~ 22 circles/centimetre.
The spacing of described control platen 1 its two-layer panel is 0.8cm ~ 2cm.
Described supporting rod 7 one end are also hinged with wind 9.
During the utility model operation, first by controlling platen 1, by the level debugging dish 3 on platen spike 2, carry out leveling, make control platen 1 after leveling in surface level position, whether in surface level position, can observation post obtain from the interior vacuole of horizontal vacuole device 5 middle position.After platen 1 is controlled in leveling, put into a micro flow chip 10 that needs experiment, tests again and clamp by buckle board 8, in clamping process, the size adaptation of its micro flow chip 10 can be rolled its supporting rod 7 to realize in the rear tune contracting of guide rail 6 space by being shaken wind 9; Regulate the micro flow chip being held 10 after space size adaptation to be fixed on control platen 1; Now according to regulate upper left fine setting rotating disk 18, lower-left fine setting rotating disk 19, upper right fine setting rotating disk 20, the bottom right of micro flow chip 10 its chip capillary canalicular flow directions, finely tune 21 4 fine setting rotating disks of rotating disk.After adjustment process, start to carry out electrochemistry experiment etc.Hydraulic tube 11 in the utility model is rigidity, its objective is the stability that guarantees to guarantee its control platen 1 surface level in each fine setting rotating disk adjustment process.
Core of the present utility model is: guaranteeing that carrying out high-precision micro flow chip 10 three dimensions under the prerequisite that control platen 1 is surface level carries out the adjustment of artificial property to its 4 planimetric positions, make the surface level obliquity after adjusting meet the flow direction of experiment control microfluid and the requirement of flowing velocity.
Therefore under the prerequisite of core point that does not deviate from this heating, all make prima facie change all within this patent protection domain.
Claims (5)
1. integrated microfluidic control system, its structure mainly comprises: control platen (1), platen spike (2), level debugging dish (3), spheroid liquid capsule (4), horizontal vacuole device (5), guide rail (6), supporting rod (7), buckle board (8), wind (9), micro flow chip (10), hydraulic tube (11), hydraulic pressure thorax (12), hydraulic cavities (13), piston (14), screw thread dish (15), screw rod (16), liquid thorax scale (17), upper left fine setting rotating disk (18), lower-left fine setting rotating disk (19), upper right fine setting rotating disk (20), bottom right fine setting rotating disk (21), jump ring (22), it is characterized in that: control platen (1) Si Jiaochu and be provided with four platen spikes (2), in platen spike (2), be provided with level debugging dish (3), control platen (1) and be provided with pair of guide rails (6), added the standing of guide rail (6) has a supporting rod (7), is hinged with buckle board (8) on supporting rod (7), control platen (1) one place and be provided with horizontal vacuole device (5),
Described control platen (1) minute two-layer panel, is respectively provided with spheroid liquid capsule (4) at four jiaos of places in two-layer centre position; Spheroid liquid capsule (4) connects by hydraulic tube (11) and hydraulic pressure thorax (12); Hydraulic pressure thorax (12) separates by a pair of jump ring (22) with hydraulic cavities (13); In hydraulic pressure thorax (12), be provided with piston (14), piston (14) one end is connected with screw rod (16), and screw rod (16) is provided with screw thread dish (15); The outer wall of hydraulic pressure thorax (12) is provided with liquid thorax scale (17);
Rotating disk (18), lower-left fine setting rotating disk (19), upper right fine setting rotating disk (20), (21) four fine setting rotating disks of bottom right fine setting rotating disk are finely tuned in the upper left that is provided with that described four spheroid liquid capsules (4) are corresponding with it; Four fine setting rotating disks are hinged by one end of screw rod (16) respectively; Four fine setting rotating disks are provided with knob, pointer, scale.
2. integrated microfluidic control system according to claim 1, is characterized in that described hydraulic tube (11) is rigid pipe.
3. integrated microfluidic control system according to claim 1, it is characterized in that described its every flight pitch of screw thread dish (15) be 17 ~ 22 circles/centimetre.
4. integrated microfluidic control system according to claim 1, is characterized in that the spacing of described its two-layer panel of control platen (1) is 0.8cm ~ 2cm.
5. integrated microfluidic control system according to claim 1, is characterized in that described supporting rod (7) one end is also hinged with wind (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320629619.XU CN203520202U (en) | 2013-10-14 | 2013-10-14 | Integrated microfluid control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320629619.XU CN203520202U (en) | 2013-10-14 | 2013-10-14 | Integrated microfluid control system |
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| CN203520202U true CN203520202U (en) | 2014-04-02 |
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| CN201320629619.XU Expired - Fee Related CN203520202U (en) | 2013-10-14 | 2013-10-14 | Integrated microfluid control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103488217A (en) * | 2013-10-14 | 2014-01-01 | 徐云鹏 | Integrated micro-fluid control system |
| TWI581862B (en) * | 2015-06-16 | 2017-05-11 | 亞諾法生技股份有限公司 | Holding carrier for a microfluidic device |
-
2013
- 2013-10-14 CN CN201320629619.XU patent/CN203520202U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103488217A (en) * | 2013-10-14 | 2014-01-01 | 徐云鹏 | Integrated micro-fluid control system |
| TWI581862B (en) * | 2015-06-16 | 2017-05-11 | 亞諾法生技股份有限公司 | Holding carrier for a microfluidic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20141014 |
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| EXPY | Termination of patent right or utility model |