CN103794317A - Coaxial duplex straight-sliding type potentiometer - Google Patents
Coaxial duplex straight-sliding type potentiometer Download PDFInfo
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- CN103794317A CN103794317A CN201210419019.0A CN201210419019A CN103794317A CN 103794317 A CN103794317 A CN 103794317A CN 201210419019 A CN201210419019 A CN 201210419019A CN 103794317 A CN103794317 A CN 103794317A
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Abstract
The invention discloses a coaxial duplex straight-sliding type potentiometer comprising a shell, a conductive plastic base body I and a conductive plastic base body II, wherein a sliding rod is arranged between the conductive plastic base body I and the conductive plastic base body II; a resistor I is arranged on the lower surface of the conductive plastic base body I; an electrode I is arranged at one end of the resistor I, and an electrode III is arranged at the other end of the resistor I; an electrode II is arranged on the lower surface of the conductive plastic base body I; a resistor II is arranged on the upper surface of the conductive plastic base body II; an electrode IV is arranged at one end of the resistor II, and an electrode VI is arranged at the other end of the resistor II; an electrode V is arranged on the upper surface of the conductive plastic base body II; a sliding block is arranged at one end of the sliding rod, which extends into the shell; a multi-finger brush I and a multi-finger brush II are arranged on the upper lateral face of the sliding block; and a multi-finger brush III and a multi-finger brush IV are arranged on the lower lateral face of the sliding block. The potentiometer disclosed by the invention uses a coaxial duplex structure and can meet the requirements of aviation and aerospace complete machines, precise instruments and meters, and an automobile position sensor on high precision, high properties, long service life and high reliability.
Description
Technical field
The present invention relates to a kind of potentiometer, particularly relate to a kind of coaxial duplex linear sliding potentiometer.
Background technology
In recent years, along with the development of Microcomputer Controling Technique, the potentiometer using as machine-power converter must meet many requirements such as high-resolution, high accuracy, long life, high speed servo.For this reason, people start conductive plastic resistance element be applied in accurate angle displacement sensor and precision linear displacement transducer and developed rapidly, show from nearest developments, and its range of application is increasingly extensive.Accurate precision is led and is moulded potentiometer and have the premium properties such as the linearity is high, the resolution of theory unlimited, flatness is good, dynamic noise is little, mechanical endurance is long and be widely used in the automation control and servo system in the fields such as aircraft industry, auto industry, petroleum industry, mechanical industry, medicine equipment.
The linear displacement transducer of domestic production is at present single-plicate structure substantially, but in the higher space flight of reliability requirement, aviation field, need to have the above test macro of two covers simultaneously and carry out work, if use two transducers, this will increase system bulk and weight, thereby take space and the weight of space flight, airborne vehicle.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, a kind of coaxial duplex linear sliding potentiometer is provided.This potentiometer adopts coaxial twin structure, the straight-line displacement of its output voltage signal and regulating shaft is linear, the conversion that moves to the signal of telecommunication from machinery can be realized, Aeronautics and Astronautics complete machine and precision instrumentation, vehicle position sensor can be met to high accuracy, high-performance, high life, highly reliable requirement.
For achieving the above object, the technical solution used in the present invention is: a kind of coaxial duplex linear sliding potentiometer, it is characterized in that: comprise housing and be arranged on conductive plastics matrix one and the conductive plastics matrix two in housing, described conductive plastics matrix one is positioned at the top of conductive plastics matrix two, between described conductive plastics matrix one and conductive plastics matrix two, be provided with the sliding bar that stretches out housing, the lower surface of described conductive plastics matrix one is provided with the resistance one extending along conductive plastics matrix one length direction, one end of described resistance one is provided with electrode one, the other end of described resistance one is provided with electrode three, the lower surface of described conductive plastics matrix one and a side that is positioned at resistance one are provided with the electrode two paralleling with resistance one, the upper surface of described conductive plastics matrix two is provided with the resistance two extending along conductive plastics matrix two length directions, one end of described resistance two is provided with electrode four, the other end of described resistance two is provided with electrode six, the upper surface of described conductive plastics matrix two and a side that is positioned at resistance two are provided with the electrode five paralleling with resistance two, one end that described sliding bar stretches in housing is provided with slide block, the upper side of described slide block is provided with many finger brushes one that can move along resistance one and many finger brushes two that can move along electrode two, described one end and the resistance one that refers to brush one electrically contacts more, described one end and the electrode two that refers to brush two electrically contacts more, it is described that how finger is brushed one the other end and refers to that the other end of brush two is mutually connected in series and is all fixedly mounted on slide block more, the downside of described slide block is provided with many finger brushes three that can move along resistance two and many finger brushes four that can move along electrode five, described one end and the resistance two that refers to brush three electrically contacts more, described one end and the electrode five that refers to brush four electrically contacts more, described how finger is brushed three the other end and refers to that the other end of brush four is mutually connected in series and is all fixedly mounted on slide block more, and the lead-out wire of described electrode one, electrode two, electrode three, electrode four, electrode five and electrode six all stretches out housing.
The coaxial duplex linear sliding potentiometer of above-mentioned one, is characterized in that: the cross section of described slide block is " work " font.
The coaxial duplex linear sliding potentiometer of above-mentioned one, is characterized in that: described conductive plastics matrix one and conductive plastics matrix two are all fixedly mounted on housing by outer cover.
The coaxial duplex linear sliding potentiometer of above-mentioned one, is characterized in that: on the lead-out wire of described electrode one, electrode two, electrode three, electrode four, electrode five and electrode six, cover has gauze screen.
The coaxial duplex linear sliding potentiometer of above-mentioned one, is characterized in that: one end of described housing is provided with the chassis being connected with housing; The other end of described housing is provided with the back-up ring being fixedly connected with housing.
The coaxial duplex linear sliding potentiometer of above-mentioned one, is characterized in that: described slide block is arranged on one end of sliding bar by stop nut.
The present invention compared with prior art has the following advantages:
1, of the present invention simple in structure, rationally novel in design, be easy to install.
2, the present invention is by adopting coaxial twin structure, and the motion mode of axle, for axially plug-type, can provide two groups of independently output voltage signals simultaneously, has improved its linear precision.
The features such as 3, the present invention has long service life, flatness is good, definition is excellent, noise is little, reliability is high, anti-electromagnetism and resistance to chemical attack.
4, of the present invention to realize cost low, and result of use is good, is convenient to promote the use of.
In sum, the present invention is simple in structure, rationally novel in design, functional reliability is high, long service life, volume is little, lightweight, can meet Aeronautics and Astronautics complete machine and precision instrumentation, vehicle position sensor to high accuracy, high-performance, high life, highly reliable requirement.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the A-A cutaway view in Fig. 1.
Fig. 3 is the structural representation of conductive plastics matrix one of the present invention (conductive plastics matrix two).
Description of reference numerals:
1-sliding bar; 2-back-up ring; 3-outer cover;
4-housing; 5-stop nut; 6-slide block;
7-conductive plastics matrix one; 7-1-electrode one; 7-2-electrode two;
7-3-electrode three; 7-4-resistance one; 8-chassis;
9-gauze screen; 10-conductive plastics matrix two; 10-1-electrode four;
10-2-electrode five; 10-3-electrode six; 10-4-resistance two;
11-refer to brush one more; 12-refer to brush two more; 13-refer to brush three more;
14-refer to brush four more.
Embodiment
As Fig. 1, the coaxial duplex linear sliding potentiometer of one shown in Fig. 2 and Fig. 3, comprise housing 4 and be arranged on conductive plastics matrix 1 and the conductive plastics matrix 2 10 in housing 4, described conductive plastics matrix 1 is positioned at the top of conductive plastics matrix 2 10, between described conductive plastics matrix 1 and conductive plastics matrix 2 10, be provided with the sliding bar 1 that stretches out housing 4, the lower surface of described conductive plastics matrix 1 is provided with resistance one 7-4 extending along conductive plastics matrix one 7 length directions, one end of described resistance one 7-4 is provided with electrode one 7-1, the other end of described resistance one 7-4 is provided with electrode three 7-3, the lower surface of described conductive plastics matrix 1 and a side that is positioned at resistance one 7-4 are provided with electrode two 7-2 that parallel with resistance one 7-4, the upper surface of described conductive plastics matrix 2 10 is provided with resistance two 10-4 that extend along conductive plastics matrix 2 10 length directions, one end of described resistance two 10-4 is provided with electrode four 10-1, the other end of described resistance two 10-4 is provided with electrode six 10-3, the upper surface of described conductive plastics matrix 2 10 and a side that is positioned at resistance two 10-4 are provided with electrode five 10-2 that parallel with resistance two 10-4, one end that described sliding bar 1 stretches in housing 4 is provided with slide block 6, the upper side of described slide block 6 is provided with many finger brushes 1 that can move along resistance one 7-4 and many finger brushes 2 12 that can move along electrode two 7-2, described one end and resistance one 7-4 that refers to brush 1 electrically contacts more, described one end and electrode two 7-2 that refer to brush 2 12 electrically contact more, it is described that how finger is brushed one 11 the other end and refers to that the other end of brush 2 12 is mutually connected in series and is all fixedly mounted on slide block 6 more, the downside of described slide block 6 is provided with many finger brushes 3 13 that can move along resistance two 10-4 and many finger brushes 4 14 that can move along electrode five 10-2, described one end and resistance two 10-4 that refer to brush 3 13 electrically contact more, described one end and electrode five 10-2 that refer to brush 4 14 electrically contact more, described how finger is brushed 3 13 the other end and refers to that the other end of brush 4 14 is mutually connected in series and is all fixedly mounted on slide block 6 more, and the lead-out wire of described electrode one 7-1, electrode two 7-2, electrode three 7-3, electrode 10-1, electrode five 10-2 and electrode six 10-3 all stretches out housing 4.The cross section of described slide block 6 is " work " font.
As shown in Figure 1, described conductive plastics matrix 1 and conductive plastics matrix 2 10 are all fixedly mounted on housing 4 by outer cover 3.On the lead-out wire of described electrode one 7-1, electrode two 7-2, electrode three 7-3, electrode four 10-1, electrode five 10-2 and electrode six 10-3, cover has gauze screen 9, and described gauze screen 9 is connected on housing 4 by adhesive.One end of described housing 4 is provided with the chassis 8 being connected with housing 4; The other end of described housing 4 is provided with the back-up ring 2 being fixedly connected with housing 4, and described chassis 8 is all connected with housing 4 by screw with back-up ring 2.Described slide block 6 is arranged on one end of sliding bar 1 by stop nut 5.
When use, push-and-pull sliding bar 1, thus refer to that brush 1 moves along resistance one 7-4 more, refer to that brush 2 12 slides along electrode two 7-2 more; Meanwhile, refer to that brush 3 13 moves along resistance two 10-4 more, refer to that brush 4 14 slides along electrode five 10-2 more, by obtain two groups of voltage signal outputs with the lead-out wire of gauze screen 9.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure transformation of above embodiment being done according to the technology of the present invention essence, all still belongs in the protection range of technical solution of the present invention.
Claims (6)
1. a coaxial duplex linear sliding potentiometer, it is characterized in that: comprise housing (4) and be arranged on conductive plastics matrix one (7) and the conductive plastics matrix two (10) in housing (4), described conductive plastics matrix one (7) is positioned at the top of conductive plastics matrix two (10), between described conductive plastics matrix one (7) and conductive plastics matrix two (10), be provided with the sliding bar (1) that stretches out housing (4), the lower surface of described conductive plastics matrix one (7) is provided with the resistance one (7-4) extending along conductive plastics matrix one (7) length direction, one end of described resistance one (7-4) is provided with electrode one (7-1), the other end of described resistance one (7-4) is provided with electrode three (7-3), the lower surface of described conductive plastics matrix one (7) and a side that is positioned at resistance one (7-4) are provided with the electrode two (7-2) paralleling with resistance one (7-4), the upper surface of described conductive plastics matrix two (10) is provided with the resistance two (10-4) extending along conductive plastics matrix two (10) length directions, one end of described resistance two (10-4) is provided with electrode four (10-1), the other end of described resistance two (10-4) is provided with electrode six (10-3), the upper surface of described conductive plastics matrix two (10) and a side that is positioned at resistance two (10-4) are provided with the electrode five (10-2) paralleling with resistance two (10-4), one end that described sliding bar (1) stretches in housing (4) is provided with slide block (6), the upper side of described slide block (6) is provided with and can and can brushes two (12) along the mobile many fingers of electrode two (7-2) along the mobile many finger brushes one (11) of resistance one (7-4), described one end and the resistance one (7-4) that refers to brush one (11) electrically contacts more, described one end and the electrode two (7-2) that refers to brush two (12) electrically contacts more, it is described that how finger is brushed one (11) the other end and refers to that the other end of brush two (12) is mutually connected in series and is all fixedly mounted on slide block (6) more, the downside of described slide block (6) is provided with and can and can brushes four (14) along the mobile many fingers of electrode five (10-2) along the mobile many finger brushes three (13) of resistance two (10-4), described one end and the resistance two (10-4) that refers to brush three (13) electrically contacts more, described one end and the electrode five (10-2) that refers to brush four (14) electrically contacts more, it is described that how finger is brushed three (13) the other end and refers to that the other end of brush four (14) is mutually connected in series and is all fixedly mounted on slide block (6) more, described electrode one (7-1), electrode two (7-2), electrode three (7-3), electrode four (10-1), the lead-out wire of electrode five (10-2) and electrode six (10-3) all stretches out housing (4).
2. the coaxial duplex linear sliding potentiometer of one according to claim 1, is characterized in that: the cross section of described slide block (6) is " work " font.
3. the coaxial duplex linear sliding potentiometer of one according to claim 1, is characterized in that: described conductive plastics matrix one (7) and conductive plastics matrix two (10) are all fixedly mounted on housing (4) by outer cover (3).
4. the coaxial duplex linear sliding potentiometer of one according to claim 1, is characterized in that: on the lead-out wire of described electrode one (7-1), electrode two (7-2), electrode three (7-3), electrode four (10-1), electrode five (10-2) and electrode six (10-3), cover has gauze screen (9).
5. the coaxial duplex linear sliding potentiometer of one according to claim 1, is characterized in that: one end of described housing (4) is provided with the chassis (8) being connected with housing (4); The other end of described housing (4) is provided with the back-up ring (2) being fixedly connected with housing (4).
6. the coaxial duplex linear sliding potentiometer of one according to claim 1, is characterized in that: described slide block (6) is arranged on one end of sliding bar (1) by stop nut (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210419019.0A CN103794317A (en) | 2012-10-26 | 2012-10-26 | Coaxial duplex straight-sliding type potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210419019.0A CN103794317A (en) | 2012-10-26 | 2012-10-26 | Coaxial duplex straight-sliding type potentiometer |
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| Publication Number | Publication Date |
|---|---|
| CN103794317A true CN103794317A (en) | 2014-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210419019.0A Pending CN103794317A (en) | 2012-10-26 | 2012-10-26 | Coaxial duplex straight-sliding type potentiometer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629027A (en) * | 2014-10-31 | 2016-06-01 | 北京精密机电控制设备研究所 | High-reliability high-wear-resistance conductive plastic potentiometer |
| CN106767369A (en) * | 2016-12-29 | 2017-05-31 | 江西天河传感器科技有限公司 | A kind of linear pattern double redundant sensors |
| CN110660550A (en) * | 2019-09-06 | 2020-01-07 | 东南大学 | Intelligent potentiometer |
| CN114018146A (en) * | 2021-12-24 | 2022-02-08 | 四川永星电子有限公司 | Duplex sealed linear displacement sensor |
-
2012
- 2012-10-26 CN CN201210419019.0A patent/CN103794317A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105629027A (en) * | 2014-10-31 | 2016-06-01 | 北京精密机电控制设备研究所 | High-reliability high-wear-resistance conductive plastic potentiometer |
| CN106767369A (en) * | 2016-12-29 | 2017-05-31 | 江西天河传感器科技有限公司 | A kind of linear pattern double redundant sensors |
| CN110660550A (en) * | 2019-09-06 | 2020-01-07 | 东南大学 | Intelligent potentiometer |
| CN114018146A (en) * | 2021-12-24 | 2022-02-08 | 四川永星电子有限公司 | Duplex sealed linear displacement sensor |
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Application publication date: 20140514 |