CN209115721U - A kind of magnetic fluid commutation microvalve device - Google Patents
A kind of magnetic fluid commutation microvalve device Download PDFInfo
- Publication number
- CN209115721U CN209115721U CN201821549329.3U CN201821549329U CN209115721U CN 209115721 U CN209115721 U CN 209115721U CN 201821549329 U CN201821549329 U CN 201821549329U CN 209115721 U CN209115721 U CN 209115721U
- Authority
- CN
- China
- Prior art keywords
- electromagnet
- gas outlet
- magnetic film
- good
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011553 magnetic fluid Substances 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims abstract description 8
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 8
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 8
- 239000011521 glass Substances 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- -1 radical siloxane Chemical class 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 2
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229960000074 biopharmaceutical Drugs 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
Landscapes
- Micromachines (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a kind of magnetic fluid commutation microvalve devices, belong to microfluidic art.The utility model is by the adsorbed Magnaglo of electromagnet after control energization, to control the unlatching and closure of fluid channel；Valve body is made using polydimethyl siloxane material, material translucency is good, biocompatibility is good and good chemical inertness, and the toughness of material is relatively high, and elasticity is good；The device control mode is simple, easy to operate, at low cost, air tight, and it is a kind of very practical miniflow microvalve device that accuracy is high.
Description
Technical field
The utility model relates to a kind of magnetic fluid commutation microvalve devices, belong to microfluidic art.
Background technique
Microfluidic device is widely used in the fields such as integrated electronic, precision instrument, Medical Devices and bio-pharmaceuticals, Microfluidizer
Part is suitble to the exploitation of various flow control systems, and control technology includes light, electricity, gas, magnetic, heat, gas phase variation etc..For fluid
The design of valve body structure on the glass substrate of processing, the structure carries out emulation mould by using COMSOL Multiphysics
It is quasi-, microchannel structure is made using PDMS material, original state can be restored under certain deformation condition and structure does not have
There is generation permanent damage.Minute fluid control valve (abbreviation miniature valve) is one of critical component of microfluidic control system, is
The Important Components of indispensable important component and microfluid on-off and traffic organising in micrometeor system.It
Performance directly affects the working condition of entire microfluidic control system.With extensive use of the miniature valve in every field,
It is higher and higher to its attainable required precision of institute.
Summary of the invention
The utility model provides a kind of magnetic fluid commutation microvalve device, for moving to close by magnetic film
Fluid channel reaches the opening and closing of control valve access.
The technical solution of the utility model is: a kind of magnetic fluid commutation microvalve device, including valve body 1, magnetic film 2, electricity
Magnet I 3, gas outlet I 4, gas outlet II 5, electromagnet II 6, glass substrate 7；
Wherein valve body 1 is mounted between two glass substrates 7, and the gas outlet of fluid channel is divided into outlet by magnetic film 2
Mouth I 4, the part of gas outlet about II 5 two and gas outlet I 4, gas outlet II 5 are symmetrical about magnetic film 2,7 top of glass substrate
Electromagnet I 3 is installed, electromagnet II 6 is installed in 7 lower part of glass substrate, and electromagnet I 3 and electromagnet II 6 control the fortune of magnetic film 2
It is dynamic.
The valve body 1 is made using polydimethyl siloxane material.
The outer housing of the magnetic film 2 is made of polydimethyl siloxane material, and Magnaglo is filled in outer housing.
The beneficial effects of the utility model are:
1, the adsorbed Magnaglo of electromagnet after being powered by control, to control the unlatching and closure of fluid channel.
2, using PDMS (dimethyl silicone polymer) material make valve body, material translucency is good, biocompatibility is good and
Good chemical inertness, the toughness of material is relatively high, and elasticity is good.
3, the device control mode is simple, easy to operate, at low cost, air tight, and accuracy is high, is a kind of very practical micro-
Flow microvalve device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Each label in figure are as follows: 1- valve body, 2- magnetic film, 3- electromagnet I, the gas outlet 4- I, the gas outlet 5- II, 6- electromagnetism
Iron II, 7- glass substrate.
Specific embodiment
Embodiment 1: as shown in Figure 1, kind magnetic fluid commutate microvalve device, including valve body 1, magnetic film 2, electromagnet I 3,
Gas outlet I 4, gas outlet II 5, electromagnet II 6, glass substrate 7；
Wherein valve body 1 is mounted between two glass substrates 7, and the gas outlet of fluid channel is divided into outlet by magnetic film 2
Mouth I 4, the part of gas outlet about II 5 two and gas outlet I 4, gas outlet II 5 are symmetrical about magnetic film 2,7 top of glass substrate
Electromagnet I 3 is installed, electromagnet II 6 is installed in 7 lower part of glass substrate, and electromagnet I 3 and electromagnet II 6 control the fortune of magnetic film 2
It is dynamic.
It is made it is possible to further which the valve body 1 is arranged using polydimethyl siloxane material.
It is made it is possible to further which the outer housing of the magnetic film 2 is arranged of polydimethyl siloxane material, shell
Filling Magnaglo in vivo.
The use process of the utility model is:
Electromagnet I 3 and electromagnet II 6 power off jointly, and the gas outlet of fluid channel is divided into gas outlet I 4, gas outlet II 5
The magnetic film 2 of upper and lower two parts does not generate deformation, flows out fluid from gas outlet I 4, gas outlet II 5；
Electromagnet I 3 is powered, and electromagnet II 6 powers off, and the top of magnetic film 2 generates deformation upwards, and gas outlet I 4 is hindered
It is disconnected, flow out fluid from gas outlet II 5；
Electromagnet II 6 is powered, and electromagnet I 3 powers off, and the bottom of magnetic film 2 generates downwards deformation, and gas outlet II 5 is hindered
It is disconnected, flow out fluid from gas outlet I 4；
Electromagnet I 3 and electromagnet II 6 are powered jointly, and the top of magnetic film 2 generates deformation, the bottom of magnetic film 2 upwards
Portion generates downwards deformation, and gas outlet I 4, gas outlet II 5 are blocked.
The specific embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the utility model is not
Be limited to above embodiment, within the knowledge of a person skilled in the art, can also do not depart from it is practical
Various changes can be made under the premise of novel objective.
Claims (3)
- The microvalve device 1. a kind of magnetic fluid commutates, it is characterised in that: including valve body (1), magnetic film (2), electromagnet I (3), go out Port I (4), gas outlet II (5), electromagnet II (6), glass substrate (7)；Wherein valve body (1) is mounted between two glass substrates (7), and the gas outlet of fluid channel is divided into out by magnetic film (2) Port I (4), gas outlet II (5) up and down two parts and gas outlet I (4), gas outlet II (5) about magnetic film (2) symmetrically, Electromagnet I (3) are installed on glass substrate (7) top, and electromagnet II (6) are installed in glass substrate (7) lower part, electromagnet I (3) and electromagnetism Iron II (6) controls the movement of magnetic film (2).
- The microvalve device 2. magnetic fluid according to claim 1 commutates, it is characterised in that: the valve body (1) uses poly- diformazan The production of radical siloxane material.
- The microvalve device 3. magnetic fluid according to claim 1 commutates, it is characterised in that: the shell of the magnetic film (2) Body is made of polydimethyl siloxane material, and Magnaglo is filled in outer housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821549329.3U CN209115721U (en) | 2018-09-21 | 2018-09-21 | A kind of magnetic fluid commutation microvalve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821549329.3U CN209115721U (en) | 2018-09-21 | 2018-09-21 | A kind of magnetic fluid commutation microvalve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209115721U true CN209115721U (en) | 2019-07-16 |
Family
ID=67199169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821549329.3U Expired - Fee Related CN209115721U (en) | 2018-09-21 | 2018-09-21 | A kind of magnetic fluid commutation microvalve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209115721U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114250A (en) * | 2018-09-21 | 2019-01-01 | 昆明理工大学 | A kind of magnetic fluid commutation microvalve device and its application method |
| CN114160222A (en) * | 2021-12-21 | 2022-03-11 | 南通大学 | Micro-fluidic chip structure and method based on cell electrical characteristics and electromagnetic micro-valve |
-
2018
- 2018-09-21 CN CN201821549329.3U patent/CN209115721U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114250A (en) * | 2018-09-21 | 2019-01-01 | 昆明理工大学 | A kind of magnetic fluid commutation microvalve device and its application method |
| CN114160222A (en) * | 2021-12-21 | 2022-03-11 | 南通大学 | Micro-fluidic chip structure and method based on cell electrical characteristics and electromagnetic micro-valve |
| CN114160222B (en) * | 2021-12-21 | 2022-11-29 | 南通大学 | Micro-fluidic chip structure and method based on cell electrical characteristics and electromagnetic micro-valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190716 Termination date: 20200921 |