CN108888270A - A kind of guide device for magnetic liquid metal - Google Patents
A kind of guide device for magnetic liquid metal Download PDFInfo
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- CN108888270A CN108888270A CN201810795627.9A CN201810795627A CN108888270A CN 108888270 A CN108888270 A CN 108888270A CN 201810795627 A CN201810795627 A CN 201810795627A CN 108888270 A CN108888270 A CN 108888270A
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- liquid metal
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- magnetic liquid
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
- A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
- A61B5/062—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body using magnetic field
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
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- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
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Abstract
The present invention relates to a kind of guide devices for magnetic liquid metal, including power supply, field element and channel, electrolyte solution is provided in channel, the both ends in channel are respectively arranged with first electrode and second electrode, first electrode is connected with the cathode of power supply, second electrode is connected with the anode of power supply, channel includes being sequentially connected logical first level channel, ramp way and the second horizontal channel, ramp way is obliquely installed upwards, when magnetic liquid metal movement stops at ramp way initial position, by field element close to magnetic liquid metal and when being moved up along ramp way, magnetic liquid metal climbs up the second horizontal channel, remove field element, magnetic liquid metal is mobile to the second electrode.The present invention climbs up ramp way by magnetic field assisted magnetic liquid metal in the electric field, convenient for the application later in blood of human body pipeline and microfluidic channel.
Description
Technical field
The present invention relates to a kind of liquid metal more particularly to a kind of guide devices for magnetic liquid metal.
Background technique
The miniature flexible robot that can change and can be manipulated freely movement between different shape is always engineering section
The target that field is constantly sought, and led using gallium and gallium-indium alloy as the liquid metal of representative due to being provided simultaneously with the excellent of metal
Electrically and liquid mobility, attracted extensive concern in recent years, be increasingly used manufacture conventional rigid material without
The flexible robot that method is realized.At present in the world in relation to the research contents very abundant of liquid metal movement mechanism, including automatically controlled,
The driving methods such as magnetic control, illumination, chemical reaction, but the liquid metal produced can only move in horizontal channel mostly, work as liquid
State metal is unable to complete upward slope movement, movable body in-position is caused to have limitation, Wu Faman by that can come to a halt when slope
Sufficient demand.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, provide a kind of guide device for magnetic liquid metal.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of guide device for magnetic liquid metal,
Including power supply, field element and channel, electrolyte solution is provided in the channel, the both ends in the channel are respectively arranged with
One electrode and second electrode, the first electrode are connected with the cathode of the power supply, the second electrode and the power supply
Anode is connected, and the channel includes being sequentially connected logical first level channel, ramp way and the second horizontal channel, described to incline
Access ramp is obliquely installed upwards, will be described when the magnetic liquid metal movement stops at the ramp way initial position
Field element close to the magnetic liquid metal and when moving up along the ramp way, climb up by the magnetism liquid metal
Second horizontal channel, removes the field element, and the magnetism liquid metal is mobile to the second electrode.
In a preferred embodiment of the present invention, a kind of guide device for magnetic liquid metal further comprises when described
When magnetic liquid metal movement stops at the ramp way initial position, the field element is placed on the ramp way
Bottom.
In a preferred embodiment of the present invention, a kind of guide device for magnetic liquid metal further comprises described
One electrode and second electrode are graphite rod.
In a preferred embodiment of the present invention, a kind of guide device for magnetic liquid metal further comprises described logical
Road is made of acrylic, glass or PDMS material.
In a preferred embodiment of the present invention, a kind of guide device for magnetic liquid metal further comprises the electricity
Electrolyte solution is sodium hydroxide solution or hydrochloric acid solution.
In a preferred embodiment of the present invention, a kind of guide device for magnetic liquid metal further comprises the magnetic
Field element is magnet or permanent magnet.
In a preferred embodiment of the present invention, a kind of guide device for magnetic liquid metal further comprises described inclining
Tilt angle≤10 ° of access ramp.
The invention solves the defect existing in the background technology, and the present invention is by magnetic field assisted magnetic liquid metal in electric field
Middle movement, when by ramp way, by applying magnetic field in ramp way bottom, magnetic liquid metal will be at the beginning of the ramp way
The halted state of beginning position, which is driven to, climbs up the second horizontal channel, removes field element, and magnetic liquid metal can continue
To anode movement under electric field action, convenient for the application later in blood of human body pipeline and microfluidic channel.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the preferred embodiment of the present invention；
Fig. 2 is the preparation flow figure of the magnetic liquid metal of the preferred embodiment of the present invention；
In figure：10, field element, 12, channel, 14, first electrode, 16, second electrode, 18, first level channel, 20, inclination
Channel, the 22, second horizontal channel, 24, magnetic liquid metal.
Specific embodiment
Presently in connection with drawings and examples, the present invention is described in further detail, these attached drawings are simplified signal
Figure, the basic structure of the invention will be illustrated schematically only, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of guide device for magnetic liquid metal, including power supply（It is not shown in the figure）, magnetic field member
Part 10 and channel 12, power supply are used to form electric field, and field element 10 is used to form magnetic field, is provided with electrolyte solution in channel 12
（It is not shown in the figure）, the both ends in channel 12 are respectively arranged with first electrode 14 and second electrode 16, first electrode 14 and power supply
Cathode is connected, and second electrode 16 is connected with the anode of power supply, channel 12 include be sequentially connected logical first level channel 18,
Ramp way 20 and the second horizontal channel 22, ramp way 20 are obliquely installed upwards, and the second horizontal channel 22 is higher than first level
Channel 18, when the movement of magnetic liquid metal 24 stops at 20 initial position of ramp way, initial position refers to first level
Bending place between channel 18 and ramp way 20, by field element 10 close to magnetic liquid metal 24 and along ramp way 20
When moving up, magnetic liquid metal 10 climbs up the second horizontal channel 22, removes field element 10, and magnetic liquid metal 10 is to
Two electrodes 16 are mobile.
In order to improve the attraction of 10 pairs of field element magnetic liquid metals 24, incline when the movement of magnetic liquid metal 24 stops at
When 20 initial position of access ramp, field element 10 is placed on 20 bottom of ramp way.
The preferred first electrode 14 of the present invention and second electrode 16 are graphite rod, and electric conductivity is strong, but is not limited to graphite
Stick, or nickel stick or copper rod.
The preferred channel 12 of the present invention is made of acrylic material, but is not limited to acrylic material, is also possible to glass
Glass or PDMS material are made.
Preferred electrolyte solution of the present invention is aqueous slkali, and further preferred electrolyte solution is sodium hydroxide solution, but simultaneously
It is not limited to sodium hydroxide solution, or potassium hydroxide solution.
The preferred field element 10 of the present invention is magnet, low in cost, easy to operate, but is not limited to field element 10,
It may be permanent magnet.
Climb for the ease of magnetic liquid metal 24 along ramp way 20, preferred angled channel 20 of the present invention is inclined
Rake angle A≤10 °.The tilt angle of further preferred ramp way 20 is 5 °.
24 band of magnetism liquid metal used in it is magnetic, and when power supply is connected, can be in the horizontal channel of connection
Middle advance, and move indeformable.
As shown in Fig. 2, following methods preparation can be used in above-mentioned magnetism liquid metal 24, include the following steps：
（1）One hollow sphere is provided, with HCl treatment hollow sphere, removes hollow sphere oxide on surface, hollow sphere sets that there are two open
Mouth end, two open ends are connected to hollow ball inside；
（2）Filling magnetic powder and the cargo to be transported in hollow sphere；
（3）Two open ends of hollow sphere are sealed up；
（4）By step（3）Treated, and hollow sphere is immersed in liquid metal, and stirring is until hollow ball surface adheres to upper liquid gold
Belong to thin layer；
（5）Liquid metal droplet is taken, by step（4）The hollow sphere and liquid metal droplet of processing contact, and hollow sphere is gulped down feed liquor
Inside state molten drop.
Wherein step（1）In, preferably hollow sphere uses the material good with liquid metal wetability, and liquid metal contacts are this
Material can be in this material surface drawout, such as copper.The diameter of further preferred hollow sphere is 3mm.
Wherein step（2）In, preferably magnetic powder is iron powder, but is not limited to iron powder, or cobalt powder and nickel powder.
Wherein step（3）In, preferably two open ends of hollow sphere are sealed up with glass cement, but be not limited to glass
Glue can also be sealed with solder stick.
Wherein step（4）In, preferably liquid metal is gallium-indium alloy, it is not limited to gallium-indium alloy, or gallium indium
Tin alloy or liquid gallium can store liquid metal in a test tube, then are immersed in liquid metal with tweezers clamping copper ball.
It is preferred that liquid metal is 0.5-2.0mL, further preferred liquid metal is 1.5mL.
Wherein step（5）In, liquid metal droplet is put into sodium hydroxide solution, the oxygen of liquid metal droplet is prevented
Change, liquid metal droplet can also be put into hydrogen chloride solution, or use some sealing devices, make liquid metal droplet with
Air exclusion, preferably liquid metal droplet are gallium-indium alloy drop, are specifically made of 75% gallium and 25% indium, but do not limit to
In gallium-indium alloy drop, or gallium-indium-tin alloy drop or liquid gallium drop, or the tenor proportion of change alloy.
It is preferred that sodium hydroxide solution is 0.2-0.5mol/L.It is preferred that liquid metal droplet is 0.1mL, avoid hollow sphere to liquid metal
The obstruction of liquid drop movement, it is ensured that the smoothness of liquid metal droplet movement.
Based on the above description of the preferred embodiments of the present invention, through the above description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
It is not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (7)
1. a kind of guide device for magnetic liquid metal, it is characterised in that：It is described including power supply, field element and channel
Electrolyte solution is provided in channel, the both ends in the channel are respectively arranged with first electrode and second electrode, first electricity
Pole is connected with the cathode of the power supply, and the second electrode is connected with the anode of the power supply, and the channel includes successively
First level channel, ramp way and the second horizontal channel being connected, the ramp way is obliquely installed upwards, when the magnetic
Property liquid metal movement when stopping at the ramp way initial position, by the field element close to the magnetic liquid metal
And when moving up along the ramp way, the magnetism liquid metal climbs up the second horizontal channel, removes the magnetic field member
Part, the magnetism liquid metal are mobile to the second electrode.
2. a kind of guide device for magnetic liquid metal according to claim 1, it is characterised in that：When the magnetism
When liquid metal movement stops at the ramp way initial position, the field element is placed on the ramp way bottom
Portion.
3. a kind of guide device for magnetic liquid metal according to claim 1, it is characterised in that：First electricity
Pole and second electrode are graphite rod.
4. a kind of guide device for magnetic liquid metal according to claim 1, it is characterised in that：It adopts in the channel
It is made of acrylic, glass or PDMS material.
5. a kind of guide device for magnetic liquid metal according to claim 1, it is characterised in that：The electrolyte
Solution is sodium hydroxide solution or hydrochloric acid solution.
6. a kind of guide device for magnetic liquid metal according to claim 1, it is characterised in that：The magnetic field member
Part is magnet or permanent magnet.
7. a kind of guide device for magnetic liquid metal according to claim 1, it is characterised in that：The inclination is logical
Tilt angle≤10 ° in road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795627.9A CN108888270A (en) | 2018-07-19 | 2018-07-19 | A kind of guide device for magnetic liquid metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795627.9A CN108888270A (en) | 2018-07-19 | 2018-07-19 | A kind of guide device for magnetic liquid metal |
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| Publication Number | Publication Date |
|---|---|
| CN108888270A true CN108888270A (en) | 2018-11-27 |
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ID=64350959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810795627.9A Pending CN108888270A (en) | 2018-07-19 | 2018-07-19 | A kind of guide device for magnetic liquid metal |
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| Country | Link |
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| CN (1) | CN108888270A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121795A (en) * | 2022-05-31 | 2022-09-30 | 烟台南山学院 | Shell structure capable of driving metal gallium drops to move, and preparation method and application method thereof |
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| CN105071688A (en) * | 2015-08-28 | 2015-11-18 | 清华大学 | Magnetic control motor based on liquid metal, manufacturing method thereof and application thereof |
| CN106363603A (en) * | 2016-11-21 | 2017-02-01 | 清华大学 | Miniature carrying device driven by liquid metal |
| CN106564057A (en) * | 2015-10-09 | 2017-04-19 | 中国科学院理化技术研究所 | Software Robot |
| US20170150647A1 (en) * | 2012-09-26 | 2017-05-25 | Elwha Llc | Microchannel heat transfer with liquid metals |
| CN206228396U (en) * | 2016-08-15 | 2017-06-09 | 云南科威液态金属谷研发有限公司 | A kind of flexible vascular micro-robot |
-
2018
- 2018-07-19 CN CN201810795627.9A patent/CN108888270A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170150647A1 (en) * | 2012-09-26 | 2017-05-25 | Elwha Llc | Microchannel heat transfer with liquid metals |
| CN104816295A (en) * | 2015-04-01 | 2015-08-05 | 清华大学 | Liquid metal machine driven by cell, and application of liquid metal machine |
| CN105071688A (en) * | 2015-08-28 | 2015-11-18 | 清华大学 | Magnetic control motor based on liquid metal, manufacturing method thereof and application thereof |
| CN106564057A (en) * | 2015-10-09 | 2017-04-19 | 中国科学院理化技术研究所 | Software Robot |
| CN206228396U (en) * | 2016-08-15 | 2017-06-09 | 云南科威液态金属谷研发有限公司 | A kind of flexible vascular micro-robot |
| CN106363603A (en) * | 2016-11-21 | 2017-02-01 | 清华大学 | Miniature carrying device driven by liquid metal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121795A (en) * | 2022-05-31 | 2022-09-30 | 烟台南山学院 | Shell structure capable of driving metal gallium drops to move, and preparation method and application method thereof |
| CN115121795B (en) * | 2022-05-31 | 2023-08-22 | 烟台南山学院 | Shell structure capable of driving gallium drops to move and preparation method and application method thereof |
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Application publication date: 20181127 |
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| RJ01 | Rejection of invention patent application after publication |