CN203910386U - Graphene potentiometer - Google Patents
Graphene potentiometer Download PDFInfo
- Publication number
- CN203910386U CN203910386U CN201420296769.8U CN201420296769U CN203910386U CN 203910386 U CN203910386 U CN 203910386U CN 201420296769 U CN201420296769 U CN 201420296769U CN 203910386 U CN203910386 U CN 203910386U
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- China
- Prior art keywords
- graphene
- conduction
- conductive
- contactor
- potentiometer
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Abstract
The utility model discloses a graphene potentiometer. The graphene potentiometer comprises a graphene conductive film and a rolling type contactor, wherein the contactor is composed of a conductive circular roller with defined thickness and a conductive circular tube shaft, the conductive circular roller is composed of a rolling surface and a central shaft, the rolling surface is formed by a conductive circular sheet-shaped roller with defined thickness, the graphene conductive film is pasted on the side surface of the conductive circular sheet-shaped roller, the conductive circular tube shaft is in adjacent connection with and in contact with one side wall of the conductive circular roller, the central shaft is fixed between two separated side walls of the conductive circular roller, a wheel shaft penetrates through the center of the central shaft, a supporting frame around the periphery of the wheel shaft is arranged on the outer side of the wheel shaft, one end of the supporting frame extends to form a conductive brush, the conductive brush contacts the conductive circular tube shaft in a tangent mode, the contactor is arranged on a conductive long spring arm, and the conductive long spring arm extends outside the supporting frame for electrically contacting the graphene conductive film. By virtue of the way, the graphene potentiometer provided by the utility model has the advantages of good conductive performance and stable properties.
Description
Technical field
The utility model relates to potentiometer field, particularly relates to a kind of Graphene potentiometer.
Background technology
General carbon-film potentiometer is repeatedly to move on carbon film rubs with reed contact, friction and obtain different resistance values, because all kinds of carbon film layers can only be all the retes of thin layer, thereby it is wear-resisting and abrasion-resistance is all quite fragile, the reed contacting with it and need repeatedly move under certain pressure and rub is metal, carbon film layer damages than being easier to naturally by contrast, but again must be the repeatedly mobile reed contact friction of the course of work of potentiometer carbon film layer just can obtain different resistance values, therefore the raising of the quality and performance of carbon film layer need to be done further improvement,
At present, people have developed a kind of grapheme material, Graphene is a kind of individual layer laminated structure being made up of carbon atom, and, it is a kind of two-dimensional material of only having carbon atom thickness, is known thin, the hardest nano material in the world, and conductive coefficient is up to 5300W/mk, higher than carbon nano-tube and diamond, under normal temperature, its electron mobility exceedes 15000cm
2/ vs, than carbon nano-tube and silicon wafer height, and its resistivity only has 10
-6Ω cm, lower than copper or silver, be the material of resistivity minimum in the world; Because of its resistivity extremely low, the speed of electron transfer is exceedingly fast, therefore being more and more widely used in replacement carbon film layer or other conductive wear resistant materials becomes electronic component of new generation or transistor, but adopts so far Graphene to replace carbon film also there is no relevant report or application as the use of potentiometer.
Summary of the invention
The technical problem that the utility model mainly solves is to provide a kind of Graphene potentiometer, by adopting Graphene to replace carbon film can effectively improve useful life and the electric conductivity of potentiometer.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of Graphene potentiometer is provided, comprise: graphene conductive film and contactor, described contactor is roll type contactor, described contactor is made up of thickness limited conduction round roller and the circular tubular axis of a conduction, described conduction round roller is made up of a rolling surface and a central shaft, described rolling surface is a thickness limited conduction round sheet roller and is pasted with graphene conductive film at side surface, the circular tubular axis of described conduction in abutting connection with and contact a sidewall of described conduction round roller, described central shaft is fixed between two separation sidewalls, the center of described central shaft is through a wheel shaft, the arranged outside of described wheel shaft has the bracket around its circumference, conduction brush is extended and formed in one end of described bracket, described conduction brush contacts the circular tubular axis of described conduction with tangential way, described contactor is installed on the long spring arm of a conduction, the long spring arm of described conduction at described bracket extension in order to electrically contact with described graphene conductive film.
In preferred embodiment of the utility model, described conduction round roller is made up of conducting metal or good conducting resinl.
In preferred embodiment of the utility model, the circular tubular axis of described conduction is made up of conducting metal.
In preferred embodiment of the utility model, the external diameter of the circular tubular axis of described conduction is less than described conduction round roller.
The beneficial effects of the utility model are: a kind of Graphene potentiometer of the utility model, by adopting Graphene to replace carbon film can effectively improve useful life and the electric conductivity of potentiometer, uses roll type contactor conveniently to carry out adjustment operation.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the structural representation of a preferred embodiment of a kind of Graphene potentiometer of the utility model.
In accompanying drawing, the mark of each parts is as follows: 1, graphene conductive film, 2, contactor.
Embodiment
To the technical scheme in the utility model embodiment be clearly and completely described below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model embodiment comprises:
A kind of Graphene potentiometer, comprising: graphene conductive film 1 and contactor 2.
Described contactor 2 is roll type contactor 2, described contactor 2 is made up of thickness limited conduction round roller and the circular tubular axis of a conduction, described conduction round roller is made up of a rolling surface and a central shaft, described rolling surface is a thickness limited conduction round sheet roller and is pasted with graphene conductive film 1 at side surface, the circular tubular axis of described conduction in abutting connection with and contact a sidewall of described conduction round roller, described central shaft is fixed between two separation sidewalls, the center of described central shaft is through a wheel shaft, the arranged outside of described wheel shaft has the bracket around its circumference, conduction brush is extended and formed in one end of described bracket, described conduction brush contacts the circular tubular axis of described conduction with tangential way, described contactor 2 is installed on the long spring arm of a conduction, the long spring arm of described conduction at described bracket extension in order to electrically contact with described graphene conductive film 1.
Described conduction round roller is made up of conducting metal or good conducting resinl.
The circular tubular axis of described conduction is made up of conducting metal.
The external diameter of the circular tubular axis of described conduction is less than described conduction round roller.
Described contactor 2 provides the signal of telecommunication between the conductive terminal contact face of microelectronics element under test and the supporting structure of described contactor 2 to be communicated with, and described rolling contactor 2 comprises:
A) a thickness limited conduction round roller, described round roller forms an outer rolling face and an interior medium pore, and described medium pore is between two separation sidewalls, in order to roll on the conductive terminal contact face at described DUT, to be communicated with one or more signals;
B) the circular tubular axis of at least one conduction, its external diameter is less than described roller, described tubular axis in abutting connection with and contact described roller sidewall one of them, and form a medium pore through described tubular axis;
C) supporting shaft, for passing vertically the medium pore and the described tubular axis that are formed in described roller, and from described extension;
D) a conductive casters shaft tray, supports described wheel shaft for the rotation arrangement with around described wheel shaft, to allow described idler wheel surface rotate and be pressed on the terminal contact face of described DUT;
E) conduction brush, described conduction brush is extended and during rotation contacts described tubular axis with tangential way from described bracket; And
F) the long spring arm of a conduction, it extends between described bracket and described supporting structure, to form the power path between the terminal contact face of described DUT, described rolling surface contacts the described shaft tray of taking turns with described tubular axis by described conduction brush, and biasing spring pressure is provided, described roller is pressed on described terminal contact face.
The beneficial effect of a kind of Graphene potentiometer of the utility model is:
One, by adopting Graphene to replace carbon film can effectively improve useful life and the electric conductivity of potentiometer, use roll type contactor conveniently to carry out adjustment operation;
The feature two, compared with common potentiometer with long, attractive in appearance and function admirable of life-span, can replace existing carbon film and form a kind of carbon film type potentiometer novel, ultra-thin and attractive in appearance.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a Graphene potentiometer, it is characterized in that, comprise: graphene conductive film and contactor, described contactor is roll type contactor, described contactor is made up of thickness limited conduction round roller and the circular tubular axis of a conduction, described conduction round roller is made up of a rolling surface and a central shaft, described rolling surface is a thickness limited conduction round sheet roller and is pasted with graphene conductive film at side surface, the circular tubular axis of described conduction in abutting connection with and contact a sidewall of described conduction round roller, described central shaft is fixed between two separation sidewalls, the center of described central shaft is through a wheel shaft, the arranged outside of described wheel shaft has the bracket around its circumference, conduction brush is extended and formed in one end of described bracket, described conduction brush contacts the circular tubular axis of described conduction with tangential way, described contactor is installed on the long spring arm of a conduction, the long spring arm of described conduction at described bracket extension in order to electrically contact with described graphene conductive film.
2. Graphene potentiometer according to claim 1, is characterized in that, described conduction round roller is made up of conducting metal or good conducting resinl.
3. Graphene potentiometer according to claim 1, is characterized in that, the circular tubular axis of described conduction is made up of conducting metal.
4. according to the Graphene potentiometer described in claim 1 or 3, it is characterized in that, the external diameter of the circular tubular axis of described conduction is less than described conduction round roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296769.8U CN203910386U (en) | 2014-06-06 | 2014-06-06 | Graphene potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420296769.8U CN203910386U (en) | 2014-06-06 | 2014-06-06 | Graphene potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910386U true CN203910386U (en) | 2014-10-29 |
Family
ID=51784643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420296769.8U Expired - Fee Related CN203910386U (en) | 2014-06-06 | 2014-06-06 | Graphene potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910386U (en) |
-
2014
- 2014-06-06 CN CN201420296769.8U patent/CN203910386U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20150606 |
|
| EXPY | Termination of patent right or utility model |