CN212625378U - Magnetic control electric switch device based on particle suspension phenomenon in magnetic fluid - Google Patents
Magnetic control electric switch device based on particle suspension phenomenon in magnetic fluid Download PDFInfo
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- CN212625378U CN212625378U CN202020989102.1U CN202020989102U CN212625378U CN 212625378 U CN212625378 U CN 212625378U CN 202020989102 U CN202020989102 U CN 202020989102U CN 212625378 U CN212625378 U CN 212625378U
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- 239000002245 particle Substances 0.000 title claims abstract description 68
- 239000000725 suspension Substances 0.000 title claims abstract description 29
- 239000011553 magnetic fluid Substances 0.000 title claims description 38
- 230000005389 magnetism Effects 0.000 claims abstract description 9
- 239000008187 granular material Substances 0.000 claims abstract description 8
- 239000006185 dispersion Substances 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- 238000005054 agglomeration Methods 0.000 claims description 2
- 230000002776 aggregation Effects 0.000 claims description 2
- 238000007373 indentation Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a magnetic control electric switching device based on granule suspension phenomenon in magnetic current body, it is including the chamber that holds that is used for holding magnetic current body and non-magnetism nature conductive particle, and the interval sets up the polar plate that holds the chamber both sides sets up the upper end cover that holds the chamber top, it is provided with and is used for the dispersion to hold the chamber bottom the sawtooth structure piece of non-magnetism nature conductive particle, the upper end cover bottom is provided with and is used for the guide the V type groove structure of non-magnetism nature conductive particle equipment. The size of the magnetic control electric switch device provided by the utility model can be designed to be extremely small, which belongs to a micro-fluidic device and can solve the requirement of the development of a micro-electro-mechanical system on the switch; the control mode is non-contact, so that the loss of a contact point can be avoided, the service life of the switch is prolonged, and the switch is used in various special occasions; the switch device has the advantages of simple structure, convenient processing, low cost and high yield.
Description
Technical Field
The utility model relates to a micro-electro-mechanical systems field especially relates to a magnetic control electric switching device based on granule suspension phenomenon in the magnetic current body.
Background
A switch is an electronic component in a control circuit that can interrupt or open a current. The common switch is an electromechanical device operated by people, the application of the common switch is very wide, almost all electronic devices are provided with the switch, and the time duration requirement of the switch is huge.
However, a common switch is composed of one or more contacts, each of which has a movable conductor part, and when the switch needs to be conducted, the movable conductor part moves to two ends of the contact to conduct the switch. The conventional switch is generally large in size due to the above-described structure. With the development of micro-electromechanical systems, the conventional switch can not meet the requirements of independent intelligent systems in micron or even nanometer scale.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a satisfy the magnetic control electric switching device of the independent intelligent system demand of micron order of magnitude even nanometer.
The technical scheme of the utility model as follows:
the utility model provides a magnetic control electric switch device based on granule suspension phenomenon in magnetic current body, wherein, including the chamber that holds that is used for holding magnetic current body and non-magnetism nature conductive particle, the interval sets up the polar plate that holds the chamber both sides sets up the upper end cover that holds the chamber top, it is provided with the sawtooth structure piece that is used for the dispersion to hold the chamber bottom non-magnetism nature conductive particle, the upper end cover bottom is provided with and is used for the guide the V type groove structure of non-magnetism nature conductive particle equipment.
The magnetic control electric switch device based on the particle suspension phenomenon in the magnetic fluid is characterized in that the total volume of the non-magnetic conductive particles is smaller than the total volume of the depressions of the sawtooth structure blocks.
The magnetic control electric switch device based on the magnetic fluid particle suspension phenomenon is characterized in that clamping grooves are symmetrically formed in two sides of the accommodating cavity, and the polar plates are correspondingly arranged in the clamping grooves.
The magnetic control electric switch device based on the magnetic fluid particle suspension phenomenon is characterized in that threaded holes are formed in two polar plates, and wiring studs are arranged in the threaded holes.
The magnetic control electric switch device based on the magnetic fluid particle suspension phenomenon is characterized in that the two pole plates are provided with protruding blocks, the upper end cover is provided with two notches matched with the protruding blocks, and the V-shaped groove structure is arranged between the two notches.
The magnetic control electric switch device based on the particle suspension phenomenon in the magnetic fluid is characterized in that the vertex angle of the V-shaped groove structure is smaller than 45 degrees.
The magnetic control electric switch device based on the particle suspension phenomenon in the magnetic fluid is characterized in that the sawtooth structure block is orthogonal to the plane of the V-shaped groove structure.
The magnetic control electric switch device based on the magnetic fluid particle suspension phenomenon is characterized in that a surface modifier for preventing the non-magnetic conductive particles from agglomerating is further arranged in the containing cavity.
The magnetic control electric switch device based on the particle suspension phenomenon in the magnetic fluid is characterized in that the non-magnetic conductive particles are one or more of silver powder, copper powder and carbon nano tube particles.
The magnetic control electric switch device based on the particle suspension phenomenon in the magnetic fluid is characterized in that the density of the non-magnetic conductive particles is greater than that of the magnetic fluid.
Has the advantages that: the utility model provides a magnetic control electric switch device based on the particle suspension phenomenon in the magnetic fluid, the size of which can be designed to be extremely small, belongs to a micro-fluidic device and can solve the demand of the development of a micro-electro-mechanical system on the switch; secondly, the control mode of the switch device of the utility model is non-contact type, which can be used in various special occasions; thirdly, the utility model utilizes the suspension phenomenon principle of the non-magnetic conductive particles in the magnetic fluid, and is completely different from the solid-solid contact of the traditional switch, thereby avoiding the loss of the contact point and prolonging the service life of the switch; finally, the utility model discloses switching device simple structure, processing is convenient, and is with low costs, and the income is high.
Drawings
Fig. 1 is a schematic view of a first visual angle explosion structure of a magnetic control electric switch device based on the particle suspension phenomenon in the magnetic fluid.
Fig. 2 is a schematic diagram of a second view angle explosion structure of the magnetic control electric switch device based on the particle suspension phenomenon in the magnetic fluid.
Fig. 3 is a schematic view of a cross-sectional structure of a magnetic controlled electric switch device based on the particle suspension phenomenon in the magnetic fluid.
Fig. 4 is a schematic diagram of an assembly structure of a magnetic control electric switch device based on the particle suspension phenomenon in the magnetic fluid.
Detailed Description
The utility model provides a magnetic control electric switching device based on granule suspension phenomenon in the magnetic current body, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, it is following right the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 4, an embodiment of the present invention provides a magnetic control electric switch device based on a particle suspension phenomenon in a magnetic fluid, as shown in the figure, the magnetic control electric switch device includes a containing cavity 10 for containing a magnetic fluid and a non-magnetic conductive particle, pole plates 20 arranged at two sides of the containing cavity 10 at intervals, and an upper end cover 30 arranged above the containing cavity 10, wherein a sawtooth structure block 40 for dispersing the non-magnetic conductive particle is arranged at the bottom of the containing cavity 10, and a V-shaped groove structure 50 for guiding the assembly of the non-magnetic conductive particle is arranged at the bottom of the upper end cover 30.
The magnetic control electric switch device provided by the embodiment needs to provide a magnetic field through an external controllable magnet so as to control the on and off of the magnetic control electric switch device, the controllable magnet mainly comprises an electromagnet capable of controlling the on and off of a power supply or a permanent magnet capable of changing the position, and the essential function of the magnetic control electric switch device is to provide a magnetic field and control the movement of magnetic fluid and non-magnetic conductive particles in the accommodating cavity in a non-contact mode through the magnetic field. Specifically, taking the controllable magnet as an example of a permanent magnet, when the magnetic control electric switch device needs to be controlled to be turned on, the permanent magnet needs to be moved to the bottom of the accommodating cavity, at this time, the non-magnetic conductive particles in the accommodating cavity are suspended on the surface of the magnetic fluid under the interaction force between the magnetic fluid and the permanent magnet, and are guided by the V-shaped groove structure 50 at the bottom of the upper end cover 30, and are linearly assembled and uniformly distributed between the two pole plates 20, the non-magnetic conductive particles are tightly contacted with each other, at this time, the resistance between the two pole plates 20 is small, and the magnetic control electric switch device is turned on. When the electric switch device needs to be controlled to be switched off, the permanent magnet needs to be moved away from the bottom of the accommodating cavity, no acting force exists between the magnetic fluid in the accommodating cavity and the controllable magnet, the non-magnetic conductive particles settle in the concave parts of the sawtooth structure blocks 40 at the bottom of the accommodating cavity 10, the concave parts of the sawtooth structure blocks 40 are not filled with the non-magnetic conductive particles, so that the two pole plates 20 are not switched on, and the magnetic control electric switch device is switched off.
In some embodiments, the saw-tooth structure block 40 is composed of saw-tooth planes, and the main purpose of the design of the saw-tooth planes is to shunt the settled non-magnetic conductive particles to fall into different wave troughs (recesses) to prevent the non-magnetic conductive particles from contacting each other, so that the switch is turned off. In this embodiment, in order to ensure that when the non-magnetic conductive particles are settled in the concave portion of the sawtooth structure block 40 at the bottom of the accommodating cavity 10, the two pole plates 20 are not connected, the total volume of the non-magnetic conductive particles should be smaller than the total volume of the concave portion of the sawtooth structure block 40, that is, the concave volume of the sawtooth plane needs to be larger than the total volume of all the non-magnetic conductive particles, and a certain margin is left according to the probability distribution of the falling points of the non-magnetic conductive particles.
In some embodiments, as shown in fig. 1, the two sides of the accommodating cavity 10 are symmetrically provided with clamping grooves 11, and the pole plate 20 is correspondingly arranged in the clamping grooves 11; threaded holes 22 are formed in the two pole plates 20, and wiring studs 21 are arranged in the threaded holes 22. The pole plate is a good conductor, the pole plate is in interference fit in the switch integral structure, the wiring stud 21 can be screwed into the threaded hole 22 of the pole plate 20, and the tightness of the wire can be adjusted according to the number of turns of the thread. For example, when the wiring is needed, the screw of the wiring stud 21 is loosened, the connected wire is inserted between the wiring stud 21 and the pole plate 20, and then the screw of the wiring stud 21 is tightened, so that the wiring is convenient.
In some embodiments, the magnetic fluid refers to a mixed liquid in which surface-modified nano-scale particles are uniformly dispersed in a water-based or oil-based medium, which is common in the market, but is not limited thereto.
In some embodiments, the non-magnetic conductive particles are particles capable of conducting electricity in an approximate order of magnitude (e.g., micron-scale, nanometer-scale) or the like. The non-magnetic conductive particles are, by way of example, one or more of silver powder, copper powder, and carbon nanotube particles, but are not limited thereto. In this embodiment, the density of the non-magnetic conductive particles is greater than the density of the magnetic fluid, the non-magnetic conductive particles sink in an initial state and are located at the bottom of the liquid of the magnetic fluid, and when the controllable magnet is applied to the bottom of the accommodating cavity, the acting force between the magnetic field and the magnetic fluid causes the non-magnetic conductive particles to be suspended on the surface of the liquid of the magnetic fluid, which is the suspension phenomenon of the particles in the magnetic fluid.
In some embodiments, the receiving cavity refers to a channel capable of being sealed, and the magnetic fluid is prevented from leaking at the joint by means of interference fit. The accommodating cavity is also internally provided with a surface modifier which is mainly used for modifying the surfaces of the non-magnetic conductive particles to avoid the non-magnetic conductive particles from agglomerating, and polar functional groups of the material are mainly utilized to generate certain repulsion among the non-magnetic conductive particles so as to avoid contact agglomeration.
In some specific embodiments, as shown in fig. 1, the two pole plates 20 are each provided with a protrusion 22, the upper end cap 30 is provided with two notches 31 adapted to the protrusions, and the V-groove structure 50 is disposed at a position between the two notches 31. In this embodiment, the volume of the V-groove structure 50 should be larger than the total volume of the non-magnetic conductive particles in the channel, and the vertex angle of the V-groove structure 50 is not too large and should be smaller than 45 °, and the V-groove structure 50 mainly functions to guide the non-magnetic conductive particles to be orderly arranged and assembled between the two electrode plates 20, so that the switch is turned on. By way of example, when non-magnetic conductive particles are suspended on the surface of the magnetic fluid, the non-magnetic conductive particles enter the upper V-groove structure 50 and are guided to assemble into a conductor connecting the two pole plates, and the switch is turned on. In some embodiments, as shown in fig. 1-2, the saw tooth structure block is orthogonal to the plane of the V-groove structure.
In summary, the size of the magnetic control electric switch device based on the particle suspension phenomenon in the magnetic fluid provided by the utility model can be designed to be extremely small, which belongs to a micro-fluidic device and can solve the requirement of the development of the micro-electro-mechanical system on the switch; secondly, the control mode of the switch device of the utility model is non-contact, so that the mode of controlling the switch is more flexible, and the whole circuit structure can be designed into three-dimensional multiple elements and can be used in various special occasions; thirdly, the utility model utilizes the suspension phenomenon principle of the non-magnetic conductive particles in the magnetic fluid, and is completely different from the solid-solid contact of the traditional switch, thereby avoiding the loss of the contact point and prolonging the service life of the switch; finally, the utility model discloses switching device simple structure, processing is convenient, and is with low costs, and the income is high.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a magnetic control electric switch device based on granule suspension phenomenon in magnetic current body which characterized in that, including the chamber that holds that is used for holding magnetic current body and non-magnetism electric conduction granule, the interval sets up the polar plate of holding the chamber both sides sets up the upper end cover of holding the chamber top, it is provided with the sawtooth structure piece that is used for the dispersion to hold the chamber bottom non-magnetism electric conduction granule, the upper end cover bottom is provided with and is used for guiding the V type groove structure of non-magnetism electric conduction granule equipment.
2. The device according to claim 1, wherein the total volume of the non-magnetic conductive particles is smaller than the total volume of the indentations of the saw-tooth structure block.
3. The magnetic controlled electric switch device based on the suspension phenomenon of the particles in the magnetic fluid according to claim 1, wherein clamping grooves are symmetrically arranged on two sides of the accommodating cavity, and the pole plates are correspondingly arranged in the clamping grooves.
4. The magnetic controlled electric switch device based on the suspension phenomenon of particles in magnetic fluid according to claim 3, characterized in that two pole plates are provided with threaded holes, and wiring studs are arranged in the threaded holes.
5. The magnetic controlled electric switch device based on the suspension phenomenon of particles in magnetic fluid according to claim 3, characterized in that two pole plates are provided with a convex block, the upper end cover is provided with two notches matched with the convex blocks, and the V-shaped groove structure is arranged at a position between the two notches.
6. The magnetically controlled electrical switching apparatus according to claim 1 wherein the V-groove structure has an apex angle of less than 45 °.
7. The device as claimed in claim 1, wherein the sawtooth structure block is orthogonal to the plane of the V-groove structure.
8. The device as claimed in claim 1, wherein a surface modifier is further disposed in the cavity for preventing agglomeration of the non-magnetic conductive particles.
9. The magnetically controlled electrical switching apparatus according to claim 1 wherein the non-magnetic conductive particles are one of silver powder, copper powder and carbon nanotube particles.
10. The device according to claim 9, wherein the density of the non-magnetic conductive particles is greater than the density of the magnetic fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020989102.1U CN212625378U (en) | 2020-06-02 | 2020-06-02 | Magnetic control electric switch device based on particle suspension phenomenon in magnetic fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020989102.1U CN212625378U (en) | 2020-06-02 | 2020-06-02 | Magnetic control electric switch device based on particle suspension phenomenon in magnetic fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212625378U true CN212625378U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020989102.1U Active CN212625378U (en) | 2020-06-02 | 2020-06-02 | Magnetic control electric switch device based on particle suspension phenomenon in magnetic fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212625378U (en) |
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2020
- 2020-06-02 CN CN202020989102.1U patent/CN212625378U/en active Active
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