CN208224364U - A kind of conducting connecting part and Wheatstone bridge - Google Patents
A kind of conducting connecting part and Wheatstone bridge Download PDFInfo
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- CN208224364U CN208224364U CN201820660449.4U CN201820660449U CN208224364U CN 208224364 U CN208224364 U CN 208224364U CN 201820660449 U CN201820660449 U CN 201820660449U CN 208224364 U CN208224364 U CN 208224364U
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- Prior art keywords
- elastomer
- connecting part
- conducting connecting
- liquid phase
- liquid metal
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- Withdrawn - After Issue
Links
- 229920001971 elastomer Polymers 0.000 claims abstract description 58
- 239000000806 elastomer Substances 0.000 claims abstract description 50
- 229910001338 liquidmetal Inorganic materials 0.000 claims abstract description 38
- 239000007791 liquid phase Substances 0.000 claims abstract description 35
- RZJQYRCNDBMIAG-UHFFFAOYSA-N [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn] Chemical class [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn] RZJQYRCNDBMIAG-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 8
- 239000005060 rubber Substances 0.000 claims description 8
- 239000013528 metallic particle Substances 0.000 claims description 7
- 239000006249 magnetic particle Substances 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000005062 Polybutadiene Substances 0.000 claims description 3
- 229920003049 isoprene rubber Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920002857 polybutadiene Polymers 0.000 claims description 3
- 229920006124 polyolefin elastomer Polymers 0.000 claims description 3
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 claims 2
- 229920000459 Nitrile rubber Polymers 0.000 claims 1
- 229920002334 Spandex Polymers 0.000 claims 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 15
- 229910052733 gallium Inorganic materials 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 229910052738 indium Inorganic materials 0.000 description 8
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 229910001369 Brass Inorganic materials 0.000 description 6
- 239000010951 brass Substances 0.000 description 6
- 229910052797 bismuth Inorganic materials 0.000 description 5
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 5
- MPZNMEBSWMRGFG-UHFFFAOYSA-N bismuth indium Chemical compound [In].[Bi] MPZNMEBSWMRGFG-UHFFFAOYSA-N 0.000 description 5
- 229910052718 tin Inorganic materials 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 229910000846 In alloy Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- YZZNJYQZJKSEER-UHFFFAOYSA-N gallium tin Chemical compound [Ga].[Sn] YZZNJYQZJKSEER-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 229910000925 Cd alloy Inorganic materials 0.000 description 2
- PQIJHIWFHSVPMH-UHFFFAOYSA-N [Cu].[Ag].[Sn] Chemical compound [Cu].[Ag].[Sn] PQIJHIWFHSVPMH-UHFFFAOYSA-N 0.000 description 2
- JWVAUCBYEDDGAD-UHFFFAOYSA-N bismuth tin Chemical compound [Sn].[Bi] JWVAUCBYEDDGAD-UHFFFAOYSA-N 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 229910000648 terne Inorganic materials 0.000 description 2
- 229910000969 tin-silver-copper Inorganic materials 0.000 description 2
- 229910001203 Alloy 20 Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- PSMFTUMUGZHOOU-UHFFFAOYSA-N [In].[Sn].[Bi] Chemical compound [In].[Sn].[Bi] PSMFTUMUGZHOOU-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- CEKJAYFBQARQNG-UHFFFAOYSA-N cadmium zinc Chemical compound [Zn].[Cd] CEKJAYFBQARQNG-UHFFFAOYSA-N 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000002082 metal nanoparticle Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 description 1
Landscapes
- Conductive Materials (AREA)
Abstract
The utility model discloses a kind of conducting connecting part and the Wheatstone bridge being made of it, the conducting connecting parts, comprising: elastomer；The pipeline for running through the elastomer opposite sides is formed inside the elastomer, two nozzles of the pipeline by tube body and positioned at the tube body both ends are constituted；Wherein, two nozzles are located at the lower section of the tube body；Liquid metal/liquid phase alloy is provided in the tube body；The sealing element to block the liquid metal/liquid phase alloy and conductive matter is respectively set at two nozzles.The utility model proposes a kind of resistance with flexible, stretching, can meet the flexible demand of resistance and the demand of flexible circuit by the conductive resistance being made of liquid metal and elastomer.
Description
Technical field
The utility model belongs to electronic component technology field more particularly to a kind of conducting connecting part and Wheatstone bridge.
Background technique
Gordon Adams Bridge (English: Wheatstone bridge, also known as favour this same electric bridge, Wheatstone bridge) is in 1833
By Samuel Hunter Christ ie utility model, a kind of measurement for being improved and being promoted by Charles wheatstone in 1843
Tool.It is used to the resistance value of precise measurement unknown resistance device, and principle and original potentiometer are close.In a circuit,
4 resistance are connected two-by-two, then by the two concatenated circuit in parallel, the electric wire between is followed at the electric wire midpoint between
Midpoint is plugged into a upper electric wire, places galvanometer on this electric wire.Due to whether having electric current by being very sensitive, Hui Si
Step on the available quite accurate measurement of bridge.Existing resistance is rigid resistance, and resistance itself is unable to satisfy stretching, bending needs
The circuit asked, and then constituted equally is unable to satisfy the demand of stretching, deformation.
Utility model content
In view of this, a purpose of the utility model is to propose a kind of conducting connecting part, it can not to solve rigid resistance
Meets the problem of the needs of flexible circuit.
In some illustrative embodiments, the conducting connecting part, comprising: elastomer；It is formed inside the elastomer
Through the pipeline of the elastomer opposite sides, two nozzles of the pipeline by tube body and positioned at the tube body both ends are constituted；
Wherein, two nozzles are located at the lower section of the tube body；Liquid metal is provided in the tube body；Two nozzles
The sealing element to block the liquid metal/liquid phase alloy and conductive matter is respectively set in place.
In some optionally embodiments, the elastomer is bonded to each other by the first elastomer and the second elastomer；
Wherein, first elastomer is located at the top of second elastomer, and lower surface has linear recess；Second elasticity
The both ends of the upper surface of body have recess；Between first elastomer and second elastomer formed have the tube body and
The pipeline of nozzle.
In some optionally embodiments, the liquid phase alloy is gallium-indium-tin alloy.
In some optionally embodiments, the liquid metal/liquid phase alloy is at least to be mixed with gluing for non-metallic particle
Thick state liquid metal/liquid phase alloy；The electric conductivity of the non-metallic particle is less than the liquid metal/liquid phase alloy.
In some optionally embodiments, the liquid metal is the sticky state liquid phase gold for being at least mixed with magnetic-particle
Category/liquid phase alloy.
In some optionally embodiments, the magnetic-particle is following one of any or any combination: Nd-Fe-B powder,
Iron, nickel, cobalt and its oxide.
In some optionally embodiments, the elastomer is by organic silicon rubber, butadiene-styrene rubber, EP rubbers, butyronitrile rubber
Glue, isoprene rubber, neoprene, butadiene rubber, polyurethane elastomer, polyamide elastomer, polyolefin elastomer or poly-
Ester elastomer is made.
In some optionally embodiments, positioned at the intracorporal liquid metal/liquid phase alloy of the pipe with a thickness of 10 μ
m。
Another purpose of the utility model is to propose a kind of Wheatstone bridge flexible.
In some illustrative embodiments, the Wheatstone bridge, even by 4 identical conductions as claimed in claim 6
Fitting ending connects composition, forms the Wheatstone bridge of square structure；Draw one in the junction of conducting connecting part described in every two
Wiring point, the wiring point is respectively to connect input voltage Vb, ground connection GND, as output positive voltage Vout+And as defeated
Negative voltage V outout-。
In some optionally embodiments, the Wheatstone bridge meets following formula:
Wherein, the RA、RB、RCAnd RDRespectively the first conducting connecting part, the second conducting connecting part, third are conductively connected
The magnetic resistance of part and the 4th conducting connecting part；The θ is the angle of magnetic field H and magnetic resistance R；The R⊥For magnetic direction and current direction
When vertical, the magnetic resistance of conducting connecting part；The R□When parallel with current direction for magnetic direction, the magnetic resistance of conducting connecting part.
Compared with prior art, the utility model has following technical advantage:
The utility model is proposed a kind of with flexible bendable by the conductive resistance being made of liquid metal and elastomer
Resistance that is bent, stretching, can meet the flexible demand of resistance and the demand of flexible circuit；Also, by designing nozzle in pipe
The lower section of body can avoid liquid metal in tube body and fill insufficient the problem of causing with sealing element poor contact.
Detailed description of the invention
Fig. 1 is the front view of conducting connecting part in the utility model embodiment；
Fig. 2 is the front view of the utility model embodiment elastomer；
Fig. 3 is the side view of conducting connecting part in the utility model embodiment；
Fig. 4 is the top view of conducting connecting part in the utility model embodiment；
Fig. 5 is the structural schematic diagram for the Wheatstone bridge being made of in the utility model embodiment conducting connecting part.
Specific embodiment
The following description and drawings fully show the specific embodiment of the utility model, so that those skilled in the art
Them can be practiced.Other embodiments may include structure, logic, it is electrical, process and other change.It is real
It applies example and only represents possible variation.Unless explicitly requested, otherwise individual components and functionality is sequence that is optional, and operating
It can change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.
The range of the embodiments of the present invention includes that the entire scope of claims and all of claims can get
Equivalent.Herein, these embodiments of the utility model individually or generally can be used term " utility model "
It indicates, this is not meant to automatically to limit just for the sake of convenient, and if in fact disclosing the utility model more than one
The range for making the application is that any single utility model or utility model are conceived.
As shown in Figs 1-4, the utility model discloses a kind of conducting connecting parts comprising: elastomer 100；In the bullet
Pipeline 10 formed inside property body 100, through 100 opposite sides of elastomer；The pipeline 10 is by tube body 11 and is located at
First nozzle 12 at 11 both ends of tube body and the second nozzle 13 are constituted；Wherein, the first nozzle 12 and the second nozzle 13 are located at pipe
Below the end of body 11；Liquid metal/liquid phase alloy 20 is filled in the tube body 11；At first nozzle 12 and the second nozzle 13
It is respectively arranged with close to the first seal 14 and second that blocks the liquid metal/liquid phase alloy and conductive matter
Sealing 15.
The utility model is proposed a kind of with flexible bendable by the conductive resistance being made of liquid metal and elastomer
Resistance that is bent, stretching, can meet the needs of flexible resistor, the resistance or the circuit being mainly made of it is made to have flexibility, can
It is bent, is stretchable, being easily installed and use.Also, by the way that nozzle design in the lower section of tube body, can avoid liquid phase gold in tube body
Belong to and filling insufficient the problem of causing with sealing element poor contact, liquid metal, which will be affected by gravity, keeps good with sealing element
Good contact, the electrical connection between guarantee.
In some embodiments, the elastomer 100 and its interior conduit 10 are integrated, and can for example be poured by mold
After building colloid, the elastomer 100 of coating mould is formed, then mold is melted by chemical solution and forms 100 internal pipeline of elastomer
10。
In further embodiments, the elastomer 100 can be by two and more than two elastomers (such as the first elasticity
Body 101 and the second elastomer 102) it is composed, the first elastomer 101 is located above, and the second elastomer 102 is located below, the
The groove 103 of the following table mask threadiness of one elastomer 101, the both ends of the upper surface of the second elastomer are respectively arranged with the first recess
104 and second recess 105 (i.e. the adjacent side in the end of upper surface and end is sky), the first elastomer 101 and the second elasticity
The size of body 102 is consistent, and upper, the second elastomer 102 is bonded to each other the first elastomer 101 under；Groove 103 and the second elasticity
First recess 104 and the second recess 105 at 102 both ends of body communicate；By groove 103 and the first recess 104 and after being bonded to each other
Two recesses 105 form the pipeline 10, wherein groove 103 is the tube body 11 of pipeline 10；First recess 104 and the second recess 105
Respectively the first nozzle 12 and the second nozzle 13 of pipeline 10.
Fusing point can be used in 300 degrees Celsius of low-melting-point metals below or conjunction in liquid metal in the utility model embodiment
Gold, ingredient include in gallium, indium, tin, zinc, bismuth, lead, cadmium, mercury, sodium, potassium, magnesium, aluminium, iron, cobalt, manganese, titanium, vanadium, boron, carbon, silicon etc.
One or more, form can be metal simple-substance, alloy, is also possible to metal nanoparticle and is mixed to form with fluid dispersion
Electrical-conductive nanometer fluid.Preferably, the liquid metal/liquid phase alloy includes mercury, gallium, indium, tin simple substance, gallium-indium alloy, gallium
Indium stannum alloy, gallium tin alloy, gallium kirsite, gallium indium kirsite, gallium red brass, gallium indium red brass, gallium tin cadmium alloy, gallium zinc
Cadmium alloy, bismuth indium alloy, bismuth tin alloy, bismuth indium stannum alloy, bismuth indium kirsite, bismuth red brass, bismuth indium red brass, tin-lead are closed
One or more of gold, gun-metal, tin pltine, Tin Silver Copper Alloy, bismuth terne metal.
Liquid metal in the utility model embodiment can be used at normal temperature in solid state, in the temperature for being higher than room temperature
Under (such as the 100 ° or less) state that is in a liquid state low-melting-point metal or alloy.Such as: indium, tin simple substance, bismuth tin alloy, bismuth indium tin
Alloy, bismuth indium kirsite, bismuth red brass, Tin Silver Copper Alloy, bismuth terne metal.Using above-mentioned characteristic, it can be achieved that being conductively connected
Part is solid-state at normal temperature, but by that can carry out plasticity processing, then the sizing that cools down to conducting connecting part after heating.
Liquid metal in the utility model embodiment also can be used at normal temperature in liquid condition low-melting-point metal or
Alloy, such as: gallium simple substance, gallium-indium alloy, gallium-indium-tin alloy, gallium tin alloy, gallium kirsite, gallium indium kirsite, gallium red brass.
The ability that can make conducting connecting part that bending, bending can be achieved under the conditions of non-extreme.
In some specific embodiments, the component of the liquid phase alloy in the utility model includes: 21%-25%'s
The indium of gallium, 75%-79%.
In other specific embodiments, the component of the liquid phase alloy in the utility model include: 26% gallium,
74% tin.
In other specific embodiments, the component of the liquid metal in the utility model includes: 100% gallium
Simple substance.
In some embodiments, the liquid metal/liquid phase alloy is the sticky state liquid for being at least mixed with non-metallic particle
Phase metal；The electric conductivity of the non-metallic particle is less than the liquid metal/liquid phase alloy.Preferably, the non-metallic particle
Carbon dust, graphene or carbon nanotube etc. can be selected.In the embodiment by liquid metal/liquid phase alloy mixed conductivity compared with
The substance of difference can be such that liquid metal/liquid phase alloy entirety resistance value increases, convenient for using as resistance.
In some embodiments, the liquid metal/liquid phase alloy is the sticky state liquid phase for being at least mixed with magnetic-particle
Metal/liquid phase alloy.
Wherein, thick liquid metal/liquid phase alloy in the embodiment can be to be mixed with powdered/granular magnetism
The slurry of substance, magnetic particle size can be selected in 10nm-50um；Specifically, iron powder, nickel powder, cobalt powder, iron can be selected in magnetisable material
Oxide (such as γ-Fe2O3、Fe3O4), nickel oxide, cobalt/cobalt oxide and Nd-Fe-B powder.Preferably, magnetisable material can select
Select flaky particle structures.The magnetic-particle of flaky particle structures in the embodiment can form stack effect in slurry, compare
Round particle and irregular powder can greatly improve the magnetic property of slurry.
In some embodiments, the material of the elastomer is organic silicon rubber, butadiene-styrene rubber, EP rubbers, butyronitrile rubber
Glue, isoprene rubber, neoprene, butadiene rubber, polyurethane elastomer, polyamide elastomer, polyolefin elastomer, polyester
Elastomer etc. is made.
In some optionally embodiments, positioned at the intracorporal liquid metal of the pipe with a thickness of 10 μm.
Another purpose of the utility model is to propose a kind of Wheatstone bridge flexible.
As shown in figure 5, the Wheatstone bridge disclosed by the utility model, by 4 identical conducting connecting parts, (first is conductive
Connector a, the second conducting connecting part b, third conducting connecting part c, the 4th conducting connecting part d) ending connect composition, form pros
The Wheatstone bridge of shape structure；A wiring point is drawn in the junction of conducting connecting part described in every two, the wiring point respectively to
Connect input voltage Vb, ground connection GND, as output positive voltage Vout+And as output negative voltage Vout-。
First conducting connecting part, the first conducting connecting part, the first conducting connecting part, be connected in the first conducting connecting part two
A conducting connecting part is mutually perpendicular to, form right angle；
If the angle of magnetic field H and magnetic resistance R is θ, then can be obtained according to anisotropic magnetic resistance:
Bring the data in the Wheatstone bridge in the utility model into above-mentioned formula, deformation is available:
Further, also deformable is in following formula:
Wherein, the RA、RB、RCAnd RDRespectively the first conducting connecting part, the second conducting connecting part, third are conductively connected
The magnetic resistance of part and the 4th conducting connecting part；The θ is the angle of magnetic field H and magnetic resistance R；The R⊥For magnetic direction and current direction
When vertical, the magnetic resistance of conducting connecting part；The R□When parallel with current direction for magnetic direction, the magnetic resistance of conducting connecting part.
The Wheatstone bridge being made of the conducting connecting part in the utility model embodiment, wherein each conducting connecting part phase
Anisotropic resistance each other, when liquid metal/liquid phase alloy is with a thickness of 10 μm, to the same conducting connecting part therein into
The following test of row: 1. under conditions of no magnetic field, resistivity can be ρ=5.7m Ω cm；2. when generating magnetic field, and magnetic field side
To it is parallel with current direction when, resistivity can be3. when magnetic direction is vertical with current direction, resistance
Rate can be ρ⊥=5.34m Ω cm.It can be found that based on the Wheatstone bridge that liquid metal/liquid phase alloy is constituted, each of which resistance
Anisotropic it is obvious.
Whereby, it can be converted into output voltage with the angle change in earth's magnetic field, can be further converted to visible electricity
Signal.
It should also be appreciated by one skilled in the art that various illustrative logical boxs, mould in conjunction with the embodiments herein description
Electronic hardware, computer software or combinations thereof may be implemented into block, circuit and algorithm steps.In order to clearly demonstrate hardware and
Interchangeability between software surrounds its function to various illustrative components, frame, module, circuit and step above and carries out
It is generally described.Hardware is implemented as this function and is also implemented as software, depends on specific application and to entire
The design constraint that system is applied.Those skilled in the art can be directed to each specific application, be realized in a manner of flexible
Described function, still, this realization decision should not be construed as a departure from the scope of protection of this disclosure.
Claims (10)
1. a kind of conducting connecting part characterized by comprising
Elastomer；
The pipeline for running through the elastomer opposite sides is formed inside the elastomer, the pipeline is by tube body and is located at described
Two nozzles at tube body both ends are constituted；Wherein, two nozzles are located at the lower section of the tube body；
Liquid metal/liquid phase alloy is provided in the tube body；
The sealing to block the liquid metal/liquid phase alloy and conductive matter is respectively set at two nozzles
Part.
2. conducting connecting part according to claim 1, which is characterized in that the elastomer is by the first elastomer and the second bullet
Property body is bonded to each other；
Wherein, first elastomer is located at the top of second elastomer, and lower surface has linear recess；Described second
The both ends of the upper surface of elastomer have recess；
The pipeline with the tube body and nozzle is formed between first elastomer and second elastomer.
3. conducting connecting part according to claim 1, which is characterized in that the liquid phase alloy is gallium-indium-tin alloy.
4. conducting connecting part according to claim 1, which is characterized in that the liquid metal/liquid phase alloy is at least mixed
Close the sticky state liquid metal/liquid phase alloy for having non-metallic particle；
The electric conductivity of the non-metallic particle is less than the liquid metal/liquid phase alloy.
5. conducting connecting part according to claim 1, which is characterized in that the liquid metal/liquid phase alloy is at least mixed
Close the sticky state liquid metal/liquid phase alloy for the particle that is magnetic.
6. conducting connecting part according to claim 5, which is characterized in that the magnetic-particle is following one of any or appoints
Meaning combination:
Nd-Fe-B powder, iron, nickel, cobalt and its oxide.
7. conducting connecting part according to claim 1, which is characterized in that the elastomer is by organic silicon rubber, butylbenzene rubber
Glue, EP rubbers, nitrile rubber, isoprene rubber, neoprene, butadiene rubber, polyurethane elastomer, polyamide elastane
Body, polyolefin elastomer or polyester elastomer are made.
8. conducting connecting part according to claim 1, which is characterized in that be located at the intracorporal liquid metal of the pipe/
Liquid phase alloy with a thickness of 10 μm.
9. a kind of Wheatstone bridge, which is characterized in that the Wheatstone bridge is connected by 4 identical conductions as claimed in claim 6
Fitting ending connects composition, forms the Wheatstone bridge of square structure；
A wiring point is drawn in the junction of conducting connecting part described in every two, and the wiring point is respectively to connect input voltage Vb、
It is grounded GND, as output positive voltage Vout+And as output negative voltage Vout-。
10. Wheatstone bridge according to claim 9, which is characterized in that the Wheatstone bridge meets following formula:
Wherein, the RA、RB、RCAnd RDRespectively the first conducting connecting part, the second conducting connecting part, third conducting connecting part and
The magnetic resistance of four conducting connecting parts；The θ is the angle in magnetic field and magnetic resistance；The R⊥When vertical with current direction for magnetic direction,
The magnetic resistance of conducting connecting part；The R□When parallel with current direction for magnetic direction, the magnetic resistance of conducting connecting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820660449.4U CN208224364U (en) | 2018-05-04 | 2018-05-04 | A kind of conducting connecting part and Wheatstone bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820660449.4U CN208224364U (en) | 2018-05-04 | 2018-05-04 | A kind of conducting connecting part and Wheatstone bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208224364U true CN208224364U (en) | 2018-12-11 |
Family
ID=64510438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820660449.4U Withdrawn - After Issue CN208224364U (en) | 2018-05-04 | 2018-05-04 | A kind of conducting connecting part and Wheatstone bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208224364U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469548A (en) * | 2018-05-04 | 2018-08-31 | 北京梦之墨科技有限公司 | A kind of conducting connecting part and Wheatstone bridge |
-
2018
- 2018-05-04 CN CN201820660449.4U patent/CN208224364U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108469548A (en) * | 2018-05-04 | 2018-08-31 | 北京梦之墨科技有限公司 | A kind of conducting connecting part and Wheatstone bridge |
| CN108469548B (en) * | 2018-05-04 | 2023-11-21 | 北京梦之墨科技有限公司 | Conductive connecting piece and Wheatstone bridge |
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