CN102456454A - Wire-wound potentiometer - Google Patents
Wire-wound potentiometer Download PDFInfo
- Publication number
- CN102456454A CN102456454A CN2010105285216A CN201010528521A CN102456454A CN 102456454 A CN102456454 A CN 102456454A CN 2010105285216 A CN2010105285216 A CN 2010105285216A CN 201010528521 A CN201010528521 A CN 201010528521A CN 102456454 A CN102456454 A CN 102456454A
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- China
- Prior art keywords
- shell
- winding
- insulation
- rotating shaft
- brush
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Abstract
The invention discloses a wire-wound potentiometer. The wire-wound potentiometer comprises a shell, wherein a spindle is arranged in the center of the shell; the lower end of the shell is provided with an insulation cover; the insulation cover is provided with three terminals; an insulation liner is arranged at the inner side of the shell; the insulation liner is provided with a winding; one end, which is located inside the shell, of the spindle is provided with a current collecting ring; the current collecting ring is provided with an electric brush; the electric brush comprises an elastomer and a contact positioned on the end head of the elastomer; one end of the electric brush is fixed on the current collecting ring, the contact at the other end of the electric brush is in sliding overlap joint on the winding; the winding comprises an insulation skeleton and a resistance wire wound on the insulation skeleton; and a short circuit region is formed by welding on the winding. When in work, the wire-wound potentiometer disclosed by the invention is small in noise, long in service life, simple in structure, convenient in use and good in stability, and is convenient for popularization and use.
Description
Technical field
The present invention relates to a kind of potentiometer, particularly a kind of wirewound potential meter.
Background technology
Along with the development of communication, computer, Aeronautics and Astronautics, national defense and military, industrial automation technology, complete electronic set develops towards microminiaturization, slimming, multi-functional, highly reliable direction.High accuracy, high reliability wirewound potential meter play very significant feature in scientific technological advance.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency of the prior art, a kind of wirewound potential meter is provided.Noise was little when the present invention worked, and long service life, and its simple in structure, easy to use, good stability are convenient to promote the use of.
For realizing above-mentioned purpose; The technical scheme that the present invention adopts is: wirewound potential meter is characterized in that: comprise shell, the center of said shell is provided with rotating shaft; The lower end of said shell is provided with the insulation lid; Said insulation lid is provided with three binding posts, and the inboard of said shell is provided with insulating cell, and said insulating cell is provided with winding; In the said rotating shaft and an end that is positioned at enclosure be provided with collecting ring; Said collecting ring is provided with brush; Said brush comprises elastomer and the contact that is positioned at the elastomer termination, and an end of said brush is fixed on the collecting ring, and overlap joint is slided on winding in the other end contact of said brush; Said winding comprises insulation framework and the winding resistance wire on insulation framework, forms shorting region through welding on the said winding.
Above-mentioned wirewound potential meter, said elastomer is processed by beryllium-bronze, and said contact is processed by the precious metal alloys silk.
Above-mentioned wirewound potential meter, in the said rotating shaft and be positioned at the shell upper end and be provided with packing ring one, said packing ring one is provided with collar one, is provided with packing ring two in the said rotating shaft and with the outer casing inner wall contact position, and said packing ring two is provided with collar two.
Above-mentioned wirewound potential meter, said insulation lid is provided with sealing gasket.
The part that above-mentioned wirewound potential meter, said rotating shaft pass shell is equipped with a plurality of sealing rings.
Above-mentioned wirewound potential meter, the junction of said rotating shaft and collecting ring is provided with insulation cushion, and said insulation cushion is provided with insulating case.
The present invention compared with prior art has the following advantages: noise was little when the present invention worked, long service life, and resolution is high; Good linearity, temperature coefficient of resistance is little, through shorting region is set; Improved the reliability of this potentiometer, and brush of the present invention has good resistance to wear, useful life lengthening; And its simple in structure, easy to use, good stability are convenient to promote the use of.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is an overall structure sketch map of the present invention.
Fig. 2 is the structural representation of brush of the present invention.
Fig. 3 is the structural representation of winding of the present invention.
Description of reference numerals:
The 1-binding post; The 2-lid that insulate; The 3-winding;
The 4-brush; The 5-insulating case; The 6-sealing ring;
7-packing ring one; 8-collar one; The 9-rotating shaft;
The 10-shell; 11-packing ring two; 12-collar two;
The 13-insulating cell; The 14-collecting ring; The 15-sealing gasket;
The 16-elastomer; The 17-contact; The 18-insulation framework;
The 19-resistance wire; The 20-shorting region.
Embodiment
A kind of wirewound potential meter as shown in Figure 1; Comprise shell 10; The center of said shell 10 is provided with rotating shaft 9, and the lower end of said shell 10 is provided with insulation lid 2, and said insulation lid 2 is provided with three binding posts 1; The inboard of said shell 10 is provided with insulating cell 13, and said insulating cell 13 is provided with winding 3; In the said rotating shaft 9 and be positioned at the inner ends of shell 10 and be provided with collecting ring 14; Said collecting ring 14 is provided with brush 4; Said brush 4 comprises elastomer 16 and the contact 17 (as shown in Figure 2) that is positioned at elastomer 16 terminations; One end of said brush 4 is fixed on the collecting ring 14; Overlap joint is slided on winding 3 in the other end contact 17 of said brush 4, and said winding 3 comprises insulation framework 18 and the resistance wire 19 of winding on insulation framework 18, forms shorting region 20 (as shown in Figure 3) through welding on the said winding 3.
Said elastomer 16 is processed by beryllium-bronze, and said contact 17 is processed by the precious metal alloys silk.In the said rotating shaft 9 and be positioned at shell 10 upper ends and be provided with packing ring 1, said packing ring 1 is provided with collar 1, is provided with packing ring 2 11 in the said rotating shaft 9 and with shell 10 inwall contact positions, and said packing ring 2 11 is provided with collar 2 12.Said insulation lid 2 is provided with sealing gasket 15.The part that shell 10 is passed in said rotating shaft 9 is equipped with a plurality of sealing rings 6.Said rotating shaft 9 is provided with insulation cushion with the junction of collecting ring 14, and said insulation cushion is provided with insulating case 5.
During use, rotating shaft 9 rotations, the brush 4 that drives on the collecting ring 14 slides on winding 3, thereby obtains output through binding post 1, and the present invention has improved the reliability of this potentiometer through shorting region 20 is set on winding 3; Said brush 4 comprises by beryllium-bronze processes elastomer 16 and precious metal alloys silk contact 17, and it has good resistance to wear, and extend useful life,
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit all still belongs in the protection range of technical scheme of the present invention any simple modification, change and equivalent structure transformation that above embodiment did according to the present invention.
Claims (6)
1. wirewound potential meter; It is characterized in that: comprise shell (10); The center of said shell (10) is provided with rotating shaft (9), and the lower end of said shell (10) is provided with insulation lid (2), and said insulation lid (2) is provided with three binding posts (1); The inboard of said shell (10) is provided with insulating cell (13), and said insulating cell (13) is provided with winding (3); Said rotating shaft (9) is gone up and is positioned at the inner end of shell (10) and is provided with collecting ring (14); Said collecting ring (14) is provided with brush (4); Said brush (4) comprises elastomer (16) and is positioned at the contact (17) of elastomer (16) termination; One end of said brush (4) is fixed on the collecting ring (14); Overlap joint is slided on winding (3) in the other end contact (17) of said brush (4), and said winding (3) comprises insulation framework (18) and the winding resistance wire (19) on insulation framework (18), and said winding (3) is gone up through welding and formed shorting region (20).
2. wirewound potential meter according to claim 1 is characterized in that: said elastomer (16) is processed by beryllium-bronze, and said contact (17) are processed by the precious metal alloys silk.
3. wirewound potential meter according to claim 1; It is characterized in that: said rotating shaft (9) is gone up and is positioned at shell (10) upper end and is provided with packing ring one (7); Said packing ring one (7) is provided with collar one (8); Said rotating shaft (9) is gone up and is provided with packing ring two (11) with shell (10) inwall contact position, and said packing ring two (11) is provided with collar two (12).
4. wirewound potential meter according to claim 1 is characterized in that: said insulation lid (2) is provided with sealing gasket (15).
5. wirewound potential meter according to claim 1 is characterized in that: the part that shell (10) is passed in said rotating shaft (9) is equipped with a plurality of sealing rings (6).
6. wirewound potential meter according to claim 1 is characterized in that: said rotating shaft (9) is provided with insulation cushion with the junction of collecting ring (14), and said insulation cushion is provided with insulating case (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105285216A CN102456454A (en) | 2010-11-01 | 2010-11-01 | Wire-wound potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105285216A CN102456454A (en) | 2010-11-01 | 2010-11-01 | Wire-wound potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102456454A true CN102456454A (en) | 2012-05-16 |
Family
ID=46039535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105285216A Pending CN102456454A (en) | 2010-11-01 | 2010-11-01 | Wire-wound potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102456454A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755185A (en) * | 2020-07-09 | 2020-10-09 | 四川航天烽火伺服控制技术有限公司 | Angle potentiometer |
-
2010
- 2010-11-01 CN CN2010105285216A patent/CN102456454A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111755185A (en) * | 2020-07-09 | 2020-10-09 | 四川航天烽火伺服控制技术有限公司 | Angle potentiometer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120516 |