CN104567649A - Integrated triply-redundant angular displacement sensor - Google Patents
Integrated triply-redundant angular displacement sensor Download PDFInfo
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- CN104567649A CN104567649A CN201310498798.2A CN201310498798A CN104567649A CN 104567649 A CN104567649 A CN 104567649A CN 201310498798 A CN201310498798 A CN 201310498798A CN 104567649 A CN104567649 A CN 104567649A
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- displacement sensor
- angular displacement
- brush
- integral type
- triple redundance
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Abstract
The invention belongs to a sensor and particularly discloses an integrated triply-redundant angular displacement sensor. The integrated triply-redundant angular displacement sensor comprises a casing, a rotatable shaft, a plurality of resistor assemblies and a plurality of electric brush assemblies, wherein a through hole is formed in the center of the casing, the rotatable shaft is mounted in the central hole of the casing, the resistor assemblies are fixed on the inner wall of the casing and axially arranged and are coaxial with the shaft, and the electric brush assemblies are fixed on the shaft and connected with the resistor assemblies. Through the adoption of triply-redundant design, damage caused by the failure of one circuit of the displacement sensor is greatly reduced, and the work reliability of the product is effectively improved. The integrated triply-redundant angular displacement sensor with a water-proof socket has high reliability and great environment adaptability.
Description
Technical field
The invention belongs to a kind of sensor, be specifically related to a kind of angular displacement sensor applied in electromechanical coupling system.
Background technology
Adopt electric resistance partial pressure principle to carry out the displacement transducer of work, by tested physics displacement is converted to the voltage signal proportional with displacement by electric resistance partial pressure, thus realize displacement measurement.The application of displacement transducer in displacement measurement has had the history of decades, by means of the advantage of its uniqueness, has been widely used in the field such as displacement measurement and feedback of servo-drive system actuator.
Angular displacement sensor is widely used in Long March series rockets servo control mechanism, for electromechanical coupling system angle displacement measurement and feedback.But existing angular displacement sensor cannot meet carrier rocket servo control mechanism completely high reliability request, and adapt to drench with rain, humidity, the working environment such as vibration.
Summary of the invention
The object of this invention is to provide a kind of integral type triple redundance angular displacement sensor, this sensor adopts triple redundance design, electrically goes up three resistor assemblies and independently exports separately, improve the reliability of product.
Realize the technical scheme of the object of the invention: this sensor of integral type triple redundance angular displacement sensor comprises center and opens the housing in hole, the rotating axle being installed on housing central bore, the multiple resistor assembly concentric with described axle arranged vertically being fixed on inner walls and the multiple brush assembly of electric be connected with resistor assembly be fixed on axle.
Described housing comprise center open hole lower cover, Liang Ge center has through hole and the intermediate plate distributed up and down, have blind hole in the middle of bottom and the upper cover plate fixing with described socket, lower cover is provided with two intermediate plates, the intermediate plate on top is provided with upper cover plate, and described axle is positioned at the central through hole of lower cover, intermediate plate, lower cover.
Described resistor assembly and described brush assembly of electric all have three, and three resistor assemblies are distributed on the intermediate plate on top, the intermediate plate of bottom and lower cover successively, and three resistor assemblies and three brush assembly of electric connect one to one.
Described resistor assembly comprises the skeleton fixed with inner walls, the resistive film being distributed in skeleton radial surface side, is distributed in the bus of the corresponding opposite side with resistive film on skeleton, is symmetrically distributed in the stack of rivets at resistive film two ends and bus two ends.
Described framework material is rigid thermoset polyimide plate D7642; Described resistive film Standard resistance range is 2000 ± 200 Ω.
Described brush assembly of electric, comprise annular and be fixedly placed on brush carrier on described axle, be distributed in two of brush carrier sagittal plane and be interconnected brush, two brushes contact with bus with the resistive film of described resistor assembly respectively.
The material of described brush carrier is ANALYSIS OF MOLDABLE POLYIMIDES Moulding powder moulded plastic YS-20.
Described brush comprise band folding hook strip the brush silk contacted with described resistor assembly resistive film or bus, be fixedly mounted on brush carrier surface and the conducting strip be connected with brush silk.
The material of described brush silk is palladium iridium alloy silk PdIr18.
Described upper cover plate top is provided with waterproof connector.
Advantageous Effects of the present invention is: adopt triple redundance design, upper cover plate, intermediate plate and lower cover superpose mutually, series system is constituted from structure, and three resistor assemblies independently export separately on electrically, significantly reduce the harm caused due to the inefficacy of displacement transducer one tunnel, effectively improve the functional reliability of product.Displacement sensor structure is compact, lightweight, saves installing space, reduces servo control mechanism weight, and carries waterproof connector, have high reliability and good environmental suitability.
Accompanying drawing explanation
Fig. 1 is integral type triple redundance angular displacement sensor complete section figure.
Fig. 2 is resistor assembly planimetric map.
Fig. 3 is brush assembly of electric planimetric map.
Fig. 4 is brush silk structural drawing.
In figure: 1 is resistor assembly; 2 is brush assembly of electric; 3 is axle; 4 is lower cover; 5 is intermediate plate; 6 is upper cover plate; 7 is socket; 8 is straight pin; 9 is skeleton; 10 is resistive film; 11 is bus; 12 is stack of rivets; 13 is brush; 14 is brush carrier; 15 is conducting strip; 16 is brush silk.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
As shown in Figure 1, a kind of integral type triple redundance angular displacement sensor, comprises upper cover plate 6, two intermediate plates 5, lower cover 4, three resistor assemblies 1, three brush assembly of electric 2, axle 3, socket 7 and straight pins 8.Upper cover plate 6 is discoid, and at upper cover plate 6, bottom centre has blind hole, is contained in the spring bearing at axle 3 top for installation sleeve, and its square boss installs fixed socket 7 with screw.Intermediate plate 5 is discoid, is provided with threaded hole in the middle, for installing resistor assembly 2, having through hole at intermediate plate 5 center, being convenient to axle 3 and passing and rotate freely.Lower cover 4 is discoid, be provided with threaded hole in the middle, for installing resistor assembly 1, through hole is had at lower cover 4 center, be convenient to axle 3 pass and rotate freely, in lower cover 4 lower central, place has groove, is contained in the spring bearing of axle 3 lower outside for installation sleeve, lower cover 4 interface size is provided by servo-drive system, for being arranged on servo control mechanism.Upper cover plate 6, top intermediate plate 5, bottom intermediate plate 5, lower cover 4 are threaded connection successively.Upper, middle and lower three resistor assemblies 1 are arranged on top intermediate plate 5, bottom intermediate plate 5 and lower cover 4 respectively.Three brush assembly of electric 2 and straight pin 8 are arranged on axle 3 and each brush assembly of electric 2 all contacts with a resistor assembly 1.Socket 7 is arranged on upper cover plate 4.Axle 3 top is plugged in upper cover plate 6, resistor assembly 1, intermediate plate 5 and lower cover 4 intracardiac, axle 3 is made up of the cylinder that three sections of diameters are different, the cylinder that diameter is larger has radial direction through hole near cylinder junction, one end, as cylinder pin hole, pass lower cover 4 bottom axle 3 and be rigidly secured on complete machine.Straight pin 8 plays position-limiting action jointly with the stopper slot of lower cover 4.
As shown in Figure 2, resistor assembly 1 comprises skeleton 9, resistive film 10, bus 11 and stack of rivets 12; Skeleton 9 is circular, and material is rigid thermoset polyimide plate D7642.Resistive film 10 is circular rete, and resistive film 10 is covered in the circular plane side of skeleton 9 equably.Bus 11 is fixed on the circular plane of skeleton 9 side relative to resistive film 10 by epoxyn.Bus 11 is made for beryllium-bronze.Stack of rivets 12 is distributed in the symmetria bilateralis position of resistive film 10 and bus 11.Signal is by stack of rivets 12 input and output.
The preparation method of described resistive film 10 is: the dag after roasting and silicon powder are put into drying box according to the ratio that weight is 3:1 by (1) dries, under 120 DEG C of conditions, be incubated 1h; (2) dag and silicon powder are put into ball grinder, ball milling 72h; (3) add SP14 phenol resin solution, the volume ratio of dag and SP14 phenol resin solution is 17:83, ball milling 48h; (4) resistor fluid is sprayed on the skeleton that insulating material makes with spraying process, makes resistive film; (5) carry out electricity, temperature aging, make the resistance of resistive film within the scope of 2000 ± 200 Ω.Wherein SP14 phenol resin solution is that SP14 phenolics and mixed solvent are made according to the ratio that weight is 1:1, and mixed solvent is that absolute ethyl alcohol CP and toluene CP makes according to the ratio that volume ratio is 1:1.
As shown in Figures 3 and 4, brush assembly of electric 2 comprises brush 13 and brush carrier 14.Brush carrier 14 is the middle circular sheet shape having through hole, and the external diameter of the cylinder that the size of through hole is larger with axle 3 diameter is consistent, and the material of brush carrier 14 is ANALYSIS OF MOLDABLE POLYIMIDES Moulding powder moulded plastic YS-20, and brush carrier 14 is fixing with axle 3.Brush is by brushing silk 16 and conducting strip 15 forms, and conducting strip 15 is fixedly mounted on the upper surface of brush carrier 16, and brush silk 16 is strips that band folding hooks, and brush silk 16 one end is welded on conducting strip 15, and the material of brush silk 16 is palladium iridium alloy silk PdIr18.
During work, positive negative dc voltage is applied respectively at resistive film 10 two ends stack of rivets 12 extension line of resistor assembly 2, output voltage drawn by stack of rivets 12 extension line on bus 11, brush 13 contacts with resistive film 10 with bus 11 respectively, under the drive of the brush carrier 14 be fixed on axle, resistive film 10 and bus 11 slide, and the voltage that pickup is proportional with angular displacement, realizes the measurement of servo control mechanism corner.
Claims (10)
1. a novel integrated triple redundance angular displacement sensor, is characterized in that: this sensor comprises center and opens the housing in hole, the rotating axle (3) being installed on housing central bore, the multiple resistor assemblies (1) concentric with described axle (3) arranged vertically being fixed on inner walls and the multiple brush assembly of electric (2) be connected with resistor assembly (1) be fixed on axle (3).
2. according to integral type triple redundance angular displacement sensor according to claim 1, it is characterized in that: described housing comprise center open hole lower cover (4), Liang Ge center has through hole and the intermediate plate (5) distributed up and down, have blind hole in the middle of bottom and the upper cover plate (6) fixing with described socket (7), lower cover (4) is provided with two intermediate plates (5), the intermediate plate (5) on top is provided with upper cover plate (6), and described axle (3) is positioned at the central through hole of lower cover (4), intermediate plate (5), lower cover (6).
3. according to integral type triple redundance angular displacement sensor according to claim 2, it is characterized in that: described resistor assembly (1) and described brush assembly of electric (2) all have three, three resistor assemblies (1) are distributed on the intermediate plate (5) on top, the intermediate plate (5) of bottom and lower cover (6) successively, and three resistor assemblies (1) connect one to one with three brush assembly of electric (2).
4. according to integral type triple redundance angular displacement sensor according to claim 1, it is characterized in that: described resistor assembly (1) comprises the skeleton (9) fixing with inner walls, be distributed in the resistive film (10) of skeleton (9) radial surface side, be distributed in the bus (11) of upper and resistive film (10) the corresponding opposite side of skeleton (9), be symmetrically distributed in the stack of rivets (12) at resistive film (10) two ends and bus (11) two ends.
5. according to integral type triple redundance angular displacement sensor according to claim 4, it is characterized in that: described skeleton (9) material is rigid thermoset polyimide plate D7642; Described resistive film (10) Standard resistance range is 2000 ± 200 Ω.
6. according to integral type triple redundance angular displacement sensor according to claim 1, it is characterized in that: described brush assembly of electric (2), comprise annular to be fixedly placed on brush carrier (14) on described axle, to be distributed in two of brush carrier (14) sagittal plane and to be interconnected brush (13), two brushes (13) contact with bus (11) with the resistive film (10) of described resistor assembly (1) respectively.
7. according to integral type triple redundance angular displacement sensor according to claim 6, it is characterized in that: the material of described brush carrier (14) is ANALYSIS OF MOLDABLE POLYIMIDES Moulding powder moulded plastic YS-20.
8., according to integral type triple redundance angular displacement sensor according to claim 6, it is characterized in that: described brush (13) comprise band folding hook strip the brush silk (16) contacted with described resistor assembly (1) resistive film (10) or bus (11), be fixedly mounted on brush carrier (14) surface and the conducting strip (15) be connected with brush silk (16).
9. according to integral type triple redundance angular displacement sensor according to claim 8, it is characterized in that: the material of described brush silk (16) is palladium iridium alloy silk PdIr18.
10. according to integral type triple redundance angular displacement sensor according to claim 1, it is characterized in that: described upper cover plate (6) top is provided with waterproof connector (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310498798.2A CN104567649A (en) | 2013-10-22 | 2013-10-22 | Integrated triply-redundant angular displacement sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310498798.2A CN104567649A (en) | 2013-10-22 | 2013-10-22 | Integrated triply-redundant angular displacement sensor |
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| CN104567649A true CN104567649A (en) | 2015-04-29 |
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| CN201310498798.2A Pending CN104567649A (en) | 2013-10-22 | 2013-10-22 | Integrated triply-redundant angular displacement sensor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050728A (en) * | 2020-09-07 | 2020-12-08 | 北京精密机电控制设备研究所 | Novel high-temperature-resistant angular displacement sensor designed for assembly |
| CN114034241A (en) * | 2022-01-11 | 2022-02-11 | 四川永星电子有限公司 | Precise coaxial quadruple angular displacement sensor |
| CN114474160A (en) * | 2022-04-15 | 2022-05-13 | 常州坤维传感科技有限公司 | Serial redundant robot wrist force sensor and using method thereof |
| CN114608438A (en) * | 2022-05-10 | 2022-06-10 | 沈阳铁路信号有限责任公司 | Railway signal clapper type relay armature dog-ear angle testing arrangement |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5113172A (en) * | 1987-07-07 | 1992-05-12 | Zahnradfabrik Friedrichshafen, Ag | Angle of rotation potentiometer |
| JPH11295018A (en) * | 1998-04-08 | 1999-10-29 | Matsushita Electric Ind Co Ltd | Rotary throttle position sensor |
| CN101354233A (en) * | 2008-08-04 | 2009-01-28 | 宁波市北仑机械电器有限公司 | Integrated multi-angle sensor |
| CN201348510Y (en) * | 2009-01-23 | 2009-11-18 | 上海沃巴弗电子科技有限公司 | Angle displacement sensor |
| CN101839726A (en) * | 2009-03-19 | 2010-09-22 | 株式会社村田制作所 | Rotary sensor |
| CN202770396U (en) * | 2012-09-27 | 2013-03-06 | 宁波市北仑机械电器有限公司 | Shaft-sealed type conductive plastic angular displacement sensor |
| CN103090785A (en) * | 2011-10-28 | 2013-05-08 | 北京精密机电控制设备研究所 | Integrated triple redundancy angle displacement measurement device |
| CN104279943A (en) * | 2013-07-12 | 2015-01-14 | 北京精密机电控制设备研究所 | Series-parallel connection triple-redundancy angular displacement sensor |
-
2013
- 2013-10-22 CN CN201310498798.2A patent/CN104567649A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5113172A (en) * | 1987-07-07 | 1992-05-12 | Zahnradfabrik Friedrichshafen, Ag | Angle of rotation potentiometer |
| JPH11295018A (en) * | 1998-04-08 | 1999-10-29 | Matsushita Electric Ind Co Ltd | Rotary throttle position sensor |
| CN101354233A (en) * | 2008-08-04 | 2009-01-28 | 宁波市北仑机械电器有限公司 | Integrated multi-angle sensor |
| CN201348510Y (en) * | 2009-01-23 | 2009-11-18 | 上海沃巴弗电子科技有限公司 | Angle displacement sensor |
| CN101839726A (en) * | 2009-03-19 | 2010-09-22 | 株式会社村田制作所 | Rotary sensor |
| CN103090785A (en) * | 2011-10-28 | 2013-05-08 | 北京精密机电控制设备研究所 | Integrated triple redundancy angle displacement measurement device |
| CN202770396U (en) * | 2012-09-27 | 2013-03-06 | 宁波市北仑机械电器有限公司 | Shaft-sealed type conductive plastic angular displacement sensor |
| CN104279943A (en) * | 2013-07-12 | 2015-01-14 | 北京精密机电控制设备研究所 | Series-parallel connection triple-redundancy angular displacement sensor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112050728A (en) * | 2020-09-07 | 2020-12-08 | 北京精密机电控制设备研究所 | Novel high-temperature-resistant angular displacement sensor designed for assembly |
| CN114034241A (en) * | 2022-01-11 | 2022-02-11 | 四川永星电子有限公司 | Precise coaxial quadruple angular displacement sensor |
| CN114034241B (en) * | 2022-01-11 | 2022-03-22 | 四川永星电子有限公司 | Precise coaxial quadruple angular displacement sensor |
| CN114474160A (en) * | 2022-04-15 | 2022-05-13 | 常州坤维传感科技有限公司 | Serial redundant robot wrist force sensor and using method thereof |
| CN114608438A (en) * | 2022-05-10 | 2022-06-10 | 沈阳铁路信号有限责任公司 | Railway signal clapper type relay armature dog-ear angle testing arrangement |
| CN114608438B (en) * | 2022-05-10 | 2022-07-15 | 沈阳铁路信号有限责任公司 | Railway signal clapper type relay armature dog-ear angle testing arrangement |
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Application publication date: 20150429 |