CN204878137U - Microfluid pipeline - Google Patents

Microfluid pipeline Download PDF

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Publication number
CN204878137U
CN204878137U CN201520598607.4U CN201520598607U CN204878137U CN 204878137 U CN204878137 U CN 204878137U CN 201520598607 U CN201520598607 U CN 201520598607U CN 204878137 U CN204878137 U CN 204878137U
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CN
China
Prior art keywords
circumvolution
microfluidic channel
micro
carbon spring
channel according
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Expired - Fee Related
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CN201520598607.4U
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Chinese (zh)
Inventor
不公告发明人
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Guangdong Shuan Hong New Material Science And Technology Ltd
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Guangdong Shuan Hong New Material Science And Technology Ltd
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Priority to CN201520598607.4U priority Critical patent/CN204878137U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model provides a microfluid pipeline, including elastic polymer material's body, its characterized in that: dispersion and orientation are arranged in the pipe wall of body has a plurality of one heavy little carbon spring of circumvolution, at least a pair of electrode set up in on the body. The utility model discloses mix a heavy little carbon spring monomer of circumvolution that has good electrical property on the polymer composite base member to change the fluid pressure in the body into L (inductance), C (electric capacity) and R (resistance) signal sign, provide the knowledge means of effectively examining of the slight fluid pressure change of each one of convection current siphuncle, have the meaning of innovation nature in the artificial blood vessel who uses, the application of man -made organ in industrial little fluid loop and medical treatment.

Description

A kind of microfluidic channel
Technical field
The utility model relates to a kind of microfluidic channel, and it is applicable to industrial microfluidic circuit and artificial blood vessel medically, man-made organ.
Background technique
Micro-fluidic technologies refer to control under microscopic dimensions, operation and the technology of detection of complex fluid, be the brand-new interdiscipline grown up on microelectronic, micromechanics, bioengineering and nanometer technology basis.Micro-fluidic technologies focuses on and builds the microfluidic manipulations function that micro-fluidic channel system (fluid hose) realizes various complexity, and it is important parameter basis that the hydrodynamic pressure wherein in fluid pipe detects.But, fluid hose in the middle of existing technology is the simple passage as fluid only, cannot by itself carrying out the pressure of detector tube inner fluid, what cannot provide the trickle change in fluid pressure in each portion of fluid pipe effectively detects means, this is by the application of limit fluid pipe, particularly in the application in artificial blood vessel medically, man-made organ field.
Model utility content
In view of problem mentioned in background technique, the utility model proposes a kind of microfluidic channel, by high sensitive one heavily the micro-carbon spring of circumvolution be doped in the middle of the body of elasticity microtubule, so that the hydrodynamic pressure in body is changed into L(inductance), C(electric capacity) and R(resistance) characterization, what provide the trickle change in fluid pressure in each portion of fluid pipe effectively detects means.
The utility model adopted technological scheme of dealing with problems is as follows:
A kind of microfluidic channel, comprises the body of elastic polymer material, and dispersion in the tube wall of described body orientations have the some one heavy micro-carbon spring of circumvolution, and at least one pair of electrode is arranged on described body.
In the middle of one or more embodiment of the present utility model, described one heavily the micro-carbon spring of circumvolution for putting down in body axially-aligned, the stability of the favourable electricity consumption characterization of orientations.
In the middle of one or more embodiment of the present utility model, described electrode runs parallel is axially embedded in this body in body.
In the middle of one or more embodiment of the present utility model, one heavily exists separation between the micro-carbon spring of circumvolution between two.
In the middle of one or more embodiment of the present utility model, the carbon fiber diameter of the described one heavy micro-carbon spring of circumvolution is 0.005-2 micron, and spiral shell footpath is 0.1-10 micron, and pitch is 0.1-10 micron, and its length is 0.05-2 millimeter.
In the middle of one or more embodiment of the present utility model, described body is organic siliconresin, polyurethane resin, epoxy resin, or the copolymer resin of styrenic thermoplastic elastomer.
In the middle of one or more embodiment of the present utility model, the JISA hardness of described body is 10 to 100.
The beneficial effects of the utility model are: on polymer composite-base body, mix heavy circumvolution micro-carbon spring monomer with excellent electrical properties, by the change of the LCR parameter caused by body deformation, thus detect hydrodynamic pressure size, have that to detect precision high, the distinguishing features such as electric signal stability is good, simultaneously, one heavily the micro-carbon spring of circumvolution be the conductive fiber of micro/nano level, easily reach artificial blood vessel, size requirements needed for man-made organ, this does not have realization in prior art, in industrial microfluidic circuit and artificial blood vessel medically, the application of man-made organ there is innovative meaning.
Accompanying drawing explanation
Fig. 1 is the longitudinally cutting structural representation of elasticity microtubule of the present utility model.
Fig. 2 is the transverse cross sectional structural representation of elasticity microtubule of the present utility model.
Embodiment
Following 1-2 by reference to the accompanying drawings, is further described the application's scheme:
A kind of microfluidic channel, comprise the body 1 of elastic polymer material, there is in body 1 fluid passage 10, the JISA hardness of this body 1 is for for 10 to 100, and being embodied as good with 20 to 50, dispersion in the tube wall of described body 1 orientations have the some one heavy micro-carbon spring 2 of circumvolution, and at least one pair of electrode 3a, 3b are arranged on described body 1, described electrode 3a, 3b are connected to oscillograph or electrical signal detection device, to obtain L(inductance), C(electric capacity) and R(resistance) characterization.
Described one heavily the micro-carbon spring 2 of circumvolution for putting down in body 1 axially-aligned, the stability that the favourable electricity consumption characterization of this orientations mode detects, and facilitate the extruded of body 1.
Described electrode 3a, 3b are parallel to body and are axially embedded in this body 1, in fact, according to detecting demand to each portion of body 1, can arrange described electrode 3a, 3b in arbitrary position on this body 1, and electrode 3a, 3b bury direction underground and also can arrange flexibly.
One heavily exists separation between the micro-carbon spring 2 of circumvolution between two, makes each one heavily to contact without direct between the micro-carbon spring 2 of circumvolution, ensures stablizing with accurate of electrical signal.
The carbon fiber diameter of the described one heavy micro-carbon spring 2 of circumvolution is 0.005-2 micron, and spiral shell footpath is 0.1-10 micron, and pitch is 0.1-10 micron, and its length is 0.05-2 millimeter.Above-mentioned one heavily the micro-carbon spring sizes of circumvolution can according to body size with detect precision and need to determine.
Described body 1 is organic siliconresin, polyurethane resin, epoxy resin, or the copolymer resin of styrenic thermoplastic elastomer.Specifically,
The product that described organic siliconresin can select Chemical Co., Ltd. of SHIN-ETSU HANTOTAI to manufacture:
1) trade name, KE-103, JISA hardness 18, JISK tensile strength 0.3MPa;
2) KE-106JISA hardness 50, JISK tensile strength 8MPa;
Describedly the Septon resin #4033(JISA hardness of Kuraray company can be adopted to be 76, tensile strength 35MPa as cinnamic copolymer resin and thermoplastic elastomer (TPE)).
Essential implementation of the present utility model is:
The resin that described body 1 uses stretchability good is conducive to sensitivity and improves, and slight pressure just can cause flexible, detects this pressure with high sensitivity; Wherein, if the JISA hardness of body 1 is too low, body 1 is too soft, and directly can cause the appearance of a large amount of signal noise, overall signal to noise ratio is too low; If the JISA much higher hard of body 1, so pressure propagation is poor, detects susceptibility too low.During general enforcement, JISA hardness 20 ~ 50 in ductility, obtain reasonable balance between elasticity and intensity.
Working principle of the present utility model:
Described one heavily circumvolution micro-carbon spring 2 are a kind of micro-nano carbon fibers having spring-like structures, it is with certain spring diameter and pitch circumvolution regularly, have preferably deformation recoverability, and deformation its equivalent inductance L when replying, resistance R parameter can respective change;
Described body 1 adopts polymer composite-base body material, is in fact a kind of dielectrics, plays the effect of capacitor, and its deformation causes the change of electric capacity C parameter;
When manage in 1 fluid contact because of changes in flow rate, extrude tube wall make its generation deformation time, in body 1 tube wall one heavily the micro-carbon spring 2 of circumvolution also correspondingly there is deformation, cause the change of the LCR parameter of body 1, thus in described electrode 3a, 3b, detect corresponding characterization, to judge hydrodynamic pressure size.
Above-mentioned preferred implementation should be considered as illustrating of the application's scheme implementation mode, allly to duplicate with the application's scheme, technology that is approximate or that make based on this is deduced, replaces, improvement etc., all should be considered as the protection domain of this patent.

Claims (7)

1. a microfluidic channel, comprises the body of elastic polymer material, it is characterized in that: dispersion in the tube wall of described body orientations have the some one heavy micro-carbon spring of circumvolution, and at least one pair of electrode is arranged on described body.
2. microfluidic channel according to claim 1, is characterized in that: described one heavily the micro-carbon spring of circumvolution for putting down in body axially-aligned.
3. microfluidic channel according to claim 1, is characterized in that: described electrode runs parallel is axially embedded in this body in body.
4. microfluidic channel according to claim 1, is characterized in that: one heavily exists separation between the micro-carbon spring of circumvolution between two.
5. microfluidic channel according to claim 1, is characterized in that: the carbon fiber diameter of the described one heavy micro-carbon spring of circumvolution is 0.005-2 micron, and spiral shell footpath is 0.1-10 micron, and pitch is 0.1-10 micron, and its length is 0.05-2 millimeter.
6. microfluidic channel according to claim 1, is characterized in that: described body is organic siliconresin, polyurethane resin, epoxy resin, or the copolymer resin of styrenic thermoplastic elastomer.
7. microfluidic channel according to claim 1, is characterized in that: the JISA hardness of described body is 10 to 100.
CN201520598607.4U 2015-08-11 2015-08-11 Microfluid pipeline Expired - Fee Related CN204878137U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520598607.4U CN204878137U (en) 2015-08-11 2015-08-11 Microfluid pipeline

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Application Number Priority Date Filing Date Title
CN201520598607.4U CN204878137U (en) 2015-08-11 2015-08-11 Microfluid pipeline

Publications (1)

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CN204878137U true CN204878137U (en) 2015-12-16

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105156775A (en) * 2015-08-11 2015-12-16 广东双虹新材料科技有限公司 Elastic micropipe with pressure of fluid in micropipe capable of being inspected and known
CN108344678A (en) * 2018-04-25 2018-07-31 北京怡天佳瑞科技有限公司 A kind of particulate matter detection means and detection method
CN109529679A (en) * 2018-11-19 2019-03-29 刘新新 Blood mixer is used in a kind of chemical examination of blood routine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105156775A (en) * 2015-08-11 2015-12-16 广东双虹新材料科技有限公司 Elastic micropipe with pressure of fluid in micropipe capable of being inspected and known
CN108344678A (en) * 2018-04-25 2018-07-31 北京怡天佳瑞科技有限公司 A kind of particulate matter detection means and detection method
CN108344678B (en) * 2018-04-25 2021-03-26 北京怡天佳瑞科技有限公司 Particulate matter detection device and detection method
US11467081B2 (en) 2018-04-25 2022-10-11 Nanjing Yitian Biotechnology Co., Ltd. Particle detection device and detection method
CN109529679A (en) * 2018-11-19 2019-03-29 刘新新 Blood mixer is used in a kind of chemical examination of blood routine

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151216