CN203910380U - Heat-dissipation moisture-absorption carbon film potentiometer - Google Patents
Heat-dissipation moisture-absorption carbon film potentiometer Download PDFInfo
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- CN203910380U CN203910380U CN201420300515.9U CN201420300515U CN203910380U CN 203910380 U CN203910380 U CN 203910380U CN 201420300515 U CN201420300515 U CN 201420300515U CN 203910380 U CN203910380 U CN 203910380U
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- carbon
- carbon film
- movable contact
- plate
- circle
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Abstract
The utility model discloses a heat-dissipation moisture-absorption carbon film potentiometer. The heat-dissipation moisture-absorption carbon film potentiometer comprises a foundation bed, a carbon film plate, an aluminum ring, a heat-dissipation carbon ring, a movable contact piece and fixed contact pieces, wherein the carbon film plate is fixed on the foundation bed; the aluminum ring and the heat-dissipation ring are embedded in the carbon film plate; micro air holes are formed in the heat-dissipation carbon ring; the movable contact piece and the fixed contact pieces are connected onto the carbon film plate; the movable contact piece is arranged below the center of the carbon film plate; a conductive film is arranged between the movable contact piece and the carbon film plate; the fixed contact pieces are arranged at the two sides of the movable contact piece. By virtue of the way, the heat-dissipation moisture-absorption carbon film potentiometer disclosed by the utility model can overcome defects of much noise and poor moisture resistance and heat dissipation of a conventional carbon film potentiometer, and is compact and reasonable in structure, and stable and reliable in performance.
Description
Technical field
The utility model relates to potentiometer field, particularly relates to a kind of heat radiation moisture absorption carbon-film potentiometer.
Background technology
The resistive element of carbon-film potentiometer is with the carbon black through grinding, graphite, and quartz waits material to be coated on matrix surface and forms, and this technique is simple, is current most widely used potentiometer.Feature is that definition high-wearing feature is good, and the life-span is longer.But traditional carbon-film potentiometer still has very large shortcoming, current noise, non-linear large, moisture resistivity and resistance stability are poor, cause useful life not high.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of heat radiation moisture absorption carbon-film potentiometer, can solve that carbon-film potentiometer noise is large, the problem of moisture resistivity and poor radiation, makes carbon-film potentiometer stable and reliable for performance.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of heat radiation moisture absorption carbon-film potentiometer is provided, comprise: pedestal, carbon film plate, aluminum circle, heat radiation carbon circle, movable contact spring and fixed touching plate, described carbon film plate is fixed on described pedestal, described carbon film plate is provided with described aluminum circle and described heat radiation carbon circle, described aluminum circle and described heat radiation carbon circle are all embedded in described carbon film plate, described heat radiation carbon circle is provided with micro ventilation hole, described movable contact spring and described fixed touching plate are all connected on described carbon film plate, described movable contact spring is located at described carbon film plate middle position lower end, between described movable contact spring and described carbon film plate, be provided with conducting film, described fixed touching plate is located at described movable contact spring both sides.
In preferred embodiment of the utility model, described aluminum circle is located at ring layer inside described carbon film plate relatively, and described heat radiation carbon circle is located at ring layer outside described carbon film plate relatively.
In preferred embodiment of the utility model, described fixed touching plate is equidistantly arranged and is arranged at described movable contact spring both sides.
In preferred embodiment of the utility model, described micro ventilation hole is nanoscale.
The beneficial effects of the utility model are: the utility model can overcome carbon-film potentiometer noise greatly and the problem of moisture resistivity poor radiation, and compact conformation is reasonable, stable and reliable for performance.
Accompanying drawing explanation
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 skills, do not paying under the prerequisite of creative work, can also according to these accompanying drawings, obtain other accompanying drawing, wherein:
Fig. 1 is the structural representation of the utility model heat radiation moisture absorption carbon-film potentiometer one preferred embodiment;
In accompanying drawing, the mark of each parts is as follows: 1, pedestal; 2, carbon film plate; 3, aluminum circle; 4, heat radiation carbon circle; 5, movable contact spring; 6, fixed touching plate; 7, conducting film; 8, micro ventilation hole.
Embodiment
Below the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills 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 heat radiation moisture absorption carbon-film potentiometer, comprise: pedestal 1, carbon film plate 2, aluminum circle 3, heat radiation carbon circle 4, movable contact spring 5 and fixed touching plate 6, described carbon film plate 2 is fixed on described pedestal 1, described carbon film plate 2 is provided with described aluminum circle 3 and described heat radiation carbon circle 4, described aluminum circle 3 and described heat radiation carbon circle 4 are all embedded in described carbon film plate 2, described heat radiation carbon circle 4 is provided with micro ventilation hole 8, described movable contact spring 5 and described fixed touching plate 6 are all connected on described carbon film plate 2, described movable contact spring 5 is located at described carbon film plate 2 middle position lower ends, between described movable contact spring 5 and described carbon film plate 2, be provided with conducting film 7, described fixed touching plate 6 is located at described movable contact spring 5 both sides.
In addition, described aluminum circle 3 is located at described carbon film plate 2 inner side ring layers relatively, and described heat radiation carbon circle 4 is located at described carbon film plate 2 outside ring layers relatively.
In addition, described fixed touching plate 6 is equidistantly arranged and is arranged at described movable contact spring 5 both sides.
In addition, described micro ventilation hole 8 is nanoscale.
Operation principle of the present utility model is for to be fixed on carbon film plate 2 on pedestal 1, carbon film plate 2 is provided with aluminum circle 3 and heat radiation carbon circle 4, aluminum circle 3 and heat radiation carbon circle 4 are all embedded in carbon film plate 2, aluminum circle 3 is located at carbon film plate 2 inner side ring layers relatively, heat radiation carbon circle 4 is located at carbon film plate 2 outside ring layers relatively, heat radiation carbon circle 4 is provided with micro ventilation hole 8, micro ventilation hole 8 is nanoscale, movable contact spring 5 and fixed touching plate 6 are all connected on carbon film plate 2, movable contact spring 5 is located at carbon film plate 2 middle position lower ends, between movable contact spring 5 and carbon film plate 2, be provided with conducting film 7, fixed touching plate 6 is equidistantly arranged and is arranged at movable contact spring 5 both sides, at the embedded aluminum circle 3 of carbon film plate 2 and heat radiation carbon circle 4, can effectively help carbon-film potentiometer to overcome noise large, moisture resistivity, the problem of poor radiation, aluminum circle 3 can help to solve the problem of moisture resistivity, heat radiation carbon circle 4 is provided with the problem that nanoscale micro ventilation hole 8 can solve poor radiation, make carbon-film potentiometer performance better.
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 heat radiation moisture absorption carbon-film potentiometer, it is characterized in that, comprise: pedestal, carbon film plate, aluminum circle, heat radiation carbon circle, movable contact spring and fixed touching plate, described carbon film plate is fixed on described pedestal, described carbon film plate is provided with described aluminum circle and described heat radiation carbon circle, described aluminum circle and described heat radiation carbon circle are all embedded in described carbon film plate, described heat radiation carbon circle is provided with micro ventilation hole, described movable contact spring and described fixed touching plate are all connected on described carbon film plate, described movable contact spring is located at described carbon film plate middle position lower end, between described movable contact spring and described carbon film plate, be provided with conducting film, described fixed touching plate is located at described movable contact spring both sides.
2. heat radiation moisture absorption carbon-film potentiometer according to claim 1, is characterized in that, described aluminum circle is located at ring layer inside described carbon film plate relatively, and described heat radiation carbon circle is located at ring layer outside described carbon film plate relatively.
3. heat radiation moisture absorption carbon-film potentiometer according to claim 1, is characterized in that, described fixed touching plate is equidistantly arranged and is arranged at described movable contact spring both sides.
4. heat radiation moisture absorption carbon-film potentiometer according to claim 1, is characterized in that, described micro ventilation hole is nanoscale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300515.9U CN203910380U (en) | 2014-06-09 | 2014-06-09 | Heat-dissipation moisture-absorption carbon film potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300515.9U CN203910380U (en) | 2014-06-09 | 2014-06-09 | Heat-dissipation moisture-absorption carbon film potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910380U true CN203910380U (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420300515.9U Expired - Fee Related CN203910380U (en) | 2014-06-09 | 2014-06-09 | Heat-dissipation moisture-absorption carbon film potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021901A (en) * | 2014-06-09 | 2014-09-03 | 常州市零伍壹玖电子有限公司 | Heat-dissipating moisture-absorbing carbon-film potentiometer |
-
2014
- 2014-06-09 CN CN201420300515.9U patent/CN203910380U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021901A (en) * | 2014-06-09 | 2014-09-03 | 常州市零伍壹玖电子有限公司 | Heat-dissipating moisture-absorbing carbon-film potentiometer |
| CN104021901B (en) * | 2014-06-09 | 2017-06-13 | 常州市宏硕电子有限公司 | Radiating moisture absorption carbon-film potentiometer |
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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: 20150609 |
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| EXPY | Termination of patent right or utility model |