CN111462972A - Integrated dual-redundancy rotary potentiometer with high consistency - Google Patents
Integrated dual-redundancy rotary potentiometer with high consistency Download PDFInfo
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- CN111462972A CN111462972A CN202010257182.6A CN202010257182A CN111462972A CN 111462972 A CN111462972 A CN 111462972A CN 202010257182 A CN202010257182 A CN 202010257182A CN 111462972 A CN111462972 A CN 111462972A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/30—Adjustable resistors the contact sliding along resistive element
- H01C10/32—Adjustable resistors the contact sliding along resistive element the contact moving in an arcuate path
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/022—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being openable or separable from the resistive element
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/14—Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses a high-consistency integrated dual-redundancy rotary potentiometer, which comprises a shell, an outer cover, a rotating shaft, a bearing, a sleeve, a resistor body and electric brushes, wherein a split ring-shaped working belt on the resistor body comprises four split ring-shaped working belts which are concentric and sequentially arranged from outside to inside, the electric brushes comprise four electric brushes, the four electric brushes are respectively in one-to-one corresponding contact with the four split ring-shaped working belts, two electric brushes are in conductive connection through a first conducting strip, the other two electric brushes are in conductive connection through a second conducting strip, and the first conducting strip and the second conducting strip are respectively arranged on the sleeve. The two independent circuits of the potentiometer share one resistor body, one rotating shaft and one sleeve to form a high-integration shared structure, the product space is small, the weight is light, the material waste can be effectively reduced, and the high consistency of two paths of signals can be effectively ensured due to synchronous rotation.
Description
Technical Field
The invention relates to a rotary potentiometer, in particular to an integrated dual-redundancy rotary potentiometer with high consistency.
Background
With the development of science and technology, a rotary potentiometer (also called a rotation angle sensor) is used as an angle and position detection component to realize the conversion from mechanical motion to electrical signals, and is widely applied to complete machines and precision instruments and meters in industries, ships, aviation, aerospace and the like which have high requirements on precision and service life and high technical indexes and various harsh test requirements.
The conventional rotary potentiometer is generally a single-redundancy (i.e. one output signal) rotary potentiometer or a dual-redundancy (i.e. two output signals) rotary potentiometer formed by combining 2 single-redundancy rotary potentiometers.
The traditional dual-redundancy rotary potentiometer combines two single-redundancy rotary potentiometers together in order to ensure the reliability of a system, adopts two sets of independent single-redundancy rotary potentiometer components, and has the following defects: the size space is bigger, and weight is bigger, and is great to the waste of material, and the uniformity of two way signals after the combination hardly obtains guaranteeing. In addition, the traditional rotary potentiometer is generally fixedly arranged on a sleeve through two electric brushes of the same circuit by a conducting strip before leaving a factory, the adjustment cannot be carried out in the using process, if the angle of the conducting strip changes after long-term use, the relative position of the two electric brushes of the same circuit on the resistor body can be changed, so that the precision of the potentiometer is reduced, a user can only purchase a new potentiometer because the angle of the conducting strip cannot be adjusted, the cost of the user is increased, the product is wasted, and the environment-friendly effect is not facilitated.
Disclosure of Invention
The present invention is directed to solving the above problems by providing an integrated dual-redundancy rotary potentiometer with high consistency and one set of components.
The invention realizes the purpose through the following technical scheme:
an integrated dual-redundancy rotary potentiometer with high consistency comprises a shell, an outer cover, a rotating shaft, a bearing, a sleeve, a resistor body and an electric brush, wherein a shell through hole is formed in the shell, the rotating shaft penetrates through a central through hole of the bearing, the bearing is installed in the shell through hole, one end of the rotating shaft is connected with the sleeve, the annular resistor body is installed on the shell, the electric brush is installed on the sleeve, the electric brush is in contact with an open annular working belt arranged on a working surface of the resistor body, the outer cover is connected with the shell, and the sleeve, the resistor body and the electric brush are all arranged in an inner cavity formed by connecting the outer cover and the shell; the open circular ring-shaped working band on the resistor body comprises a first open circular ring-shaped working band, a second open circular ring-shaped working band, a third open circular ring-shaped working band and a fourth open circular ring-shaped working band which are concentric and are sequentially arranged from outside to inside, the electric brushes comprise a first electric brush, a second electric brush, a third electric brush and a fourth electric brush, the first electric brush, the second electric brush, the third electric brush and the fourth electric brush are respectively in one-to-one corresponding contact with the first opening circular ring-shaped working belt, the second opening circular ring-shaped working belt, the third opening circular ring-shaped working belt and the fourth opening circular ring-shaped working belt, the first electric brush is in conductive connection with the second electric brush through a first conductive sheet, the third electric brush is in conductive connection with the fourth electric brush through a second conductive sheet, and the first conductive sheet and the second conductive sheet are respectively installed on the sleeve.
In the above structure, the first open circular ring-shaped working band (or the second open circular ring-shaped working band) and the first electric brush (or the second electric brush) form a signal acquisition unit of a first circuit, the second open circular ring-shaped working band (or the first open circular ring-shaped working band), the second electric brush (or the first electric brush) and the first conducting strip form a signal transmission unit of the first circuit, and an electric signal acquired by the signal acquisition unit is transmitted to the second open circular ring-shaped working band (or the first open circular ring-shaped working band) so as to be output through a lead, otherwise, the signal is not output conveniently after passing through a sleeve pipe needing to rotate; the third open circular ring-shaped working band (also can be a fourth open circular ring-shaped working band) and the third electric brush (also can be a fourth electric brush) form a signal acquisition unit of a second circuit, the fourth open circular ring-shaped working band (also can be a third open circular ring-shaped working band), the fourth electric brush (also can be a third electric brush) and the second conducting strip form a signal transmission unit of the second circuit, an electric signal acquired by the signal acquisition unit is transmitted to the fourth open circular ring-shaped working band (or the third open circular ring-shaped working band), so that the signal is output through a lead, or else, the signal is not convenient to be output after passing through a sleeve which needs to rotate.
Preferably, the sleeve comprises a center pipe and a mounting disc, the axial direction of the center pipe is perpendicular to the plane of the mounting disc, one end of the center pipe is fixedly connected with one side of the mounting disc, the plane of the mounting disc is parallel to the plane of the resistor body, the rotating shaft is connected with the center pipe of the sleeve, and the center pipe penetrates through the center through hole of the resistor body. The structure is convenient for connecting the rotating shaft and the sleeve, connecting the electric brush and the sleeve, and simultaneously, the connecting device of the electric brush is convenient to be arranged on one side of the outer cover close to the outside, so that conditions are provided for the electric brush positioning and adjusting structure below.
Further, in order to facilitate the adjustment of the angle of the conducting strip in the using process so as to improve the precision, an outer cover through hole is formed in one side, parallel to the plane where the mounting disc is located, of the outer cover, a cover plate is mounted on the outer cover through hole, and the cover plate is connected with the outer cover through a cover plate mounting bolt; the mounting disc is provided with two conducting plate mounting screw holes, and studs of two conducting plate mounting bolts respectively penetrate through the two conducting plate mounting screw holes and are respectively fixedly connected with the middle part of the first conducting plate and the middle part of the second conducting plate; pressing plates are respectively arranged on the outer side surfaces of the two conducting strip mounting screw holes on the outer side surfaces of the mounting disc, a bulge is arranged in the middle of each pressing plate, an anti-skid piece is arranged on each bulge, and the positions, located on two sides of each anti-skid piece, on each pressing plate are respectively connected with the mounting disc through pressing plate mounting bolts; the two anti-skidding pieces correspond to the nuts of the two conducting strip mounting bolts one by one, and when the pressing plate is mounted on the mounting plate, the two anti-skidding pieces respectively press the nuts of the two conducting strip mounting bolts to enable the nuts not to rotate.
In the structure, the pressing plate can be quickly installed on the installation disc through the pressing plate installation bolt (or a screw) and also can be quickly disassembled, the stud of the conducting plate installation bolt is fixedly connected with the corresponding conducting plate in a welding mode and the like, the conducting plate installation bolt can be rotated to rotate the corresponding conducting plate, and the relative position relation of the two corresponding electric brushes is changed, so that the potentiometer precision can be improved through adjustment according to actual needs, after the adjustment is completed, the nut of the conducting plate installation bolt is pressed through the anti-skidding piece on the pressing plate to realize a positioning function, and the conducting plate is prevented from rotating in the use process; in the rotating process of the mounting disc of the sleeve, the pressing plate, the conducting plate and the electric brush synchronously rotate together, and the normal work of the potentiometer is not influenced.
Preferably, in order to more reliably press and position the conducting strip mounting bolt to prevent the conducting strip mounting bolt from rotating, the anti-slip piece is a rubber pad, and criss-cross anti-slip threads are arranged on the end face, which is in contact with the nut of the conducting strip mounting bolt, of the rubber pad, and are matched with the notches in the nut to ensure that the conducting strip mounting bolt cannot rotate; or, for more reliability, criss-cross anti-slip lines can be arranged on the end face of the nut of the conducting strip mounting bolt.
Preferably, in order to save materials and facilitate installation on the premise of meeting the use requirements, the mounting disc is in a strip shape, two conductive plate mounting screw holes are respectively arranged at two symmetrical sides of the central tube, the opening positions of the first opening circular ring-shaped working band and the second opening circular ring-shaped working band correspond to each other and are set as C opening positions, the opening positions of the third opening circular ring-shaped working band and the fourth opening circular ring-shaped working band correspond to each other and are set as D opening positions, the C opening positions and the D opening positions are symmetrically distributed around the center of the resistor body, two ends of the first opening circular ring-shaped working band are power input ends of a first working circuit, one end of the second opening circular ring-shaped working band is a signal output end of the first working circuit, and two ends of the third opening circular ring-shaped working band are power input ends of a second working circuit, one end of the fourth opening circular ring-shaped working band is a signal output end of the second working circuit.
Preferably, in order to facilitate adjustment of tightness of the brushes during an assembly process and fixation after the adjustment, each of the first brush, the second brush, the third brush, and the fourth brush includes a spring, and the spring is connected to the corresponding first conductive sheet or the second conductive sheet by a rivet and fixed by adhesion.
Preferably, in order to improve the stability of the rotation of the rotating shaft and facilitate dust prevention, the bearing comprises a first bearing and a second bearing, the first bearing is a ball bearing with a flange plate and a dust cover, and the second bearing is an open ball bearing with a flange plate.
The invention has the beneficial effects that:
two independent circuits of the potentiometer share one resistor body, one rotating shaft and one sleeve to form a high-integration shared structure, so that the product space is small, the weight is light, the material waste can be effectively reduced, and the high consistency of two paths of signals can be effectively ensured due to synchronous rotation; the nut of the conducting strip mounting bolt is compressed and positioned through the pressing plate, so that accurate adjustment before assembly can be realized, quick adjustment and installation in the use process can be realized, the service life of the potentiometer is prolonged on the premise of ensuring the precision of the potentiometer, the cost is saved for a user, the damage of electronic garbage to the environment is reduced, and the environment friendliness is facilitated.
Drawings
FIG. 1 is a front view of the high consistency integrated dual redundancy rotary potentiometer of the present invention;
FIG. 2 is a sectional view A-A of FIG. 1;
FIG. 3 is a front view of the resistor body of the high-consistency integrated dual-redundancy rotary potentiometer of the present invention;
FIG. 4 is a front view of the bushing of the high-consistency integrated dual-redundancy rotary potentiometer of the present invention;
fig. 5 is a sectional view B-B in fig. 4.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-5, the integrated dual-redundancy rotary potentiometer with high consistency of the present invention includes a housing 1, an outer cover 6, a rotating shaft 2, a bearing, a sleeve 13, a resistor 8 and an electric brush, wherein the housing 1 is provided with a housing through hole (not marked in the figures), the rotating shaft 2 passes through a central through hole of the bearing, the bearing is installed in the housing through hole, one end of the rotating shaft 2 is connected with the sleeve 13, the annular resistor 8 is installed on the housing 1, the outer cover 6 is connected with the housing 1, and the sleeve 13, the resistor 8 and the electric brush are all disposed in an inner cavity formed by connecting the outer cover 6 and the housing 1; the open circular ring-shaped working band on the resistor body 8 comprises a first open circular ring-shaped working band 26, a second open circular ring-shaped working band 27, a third open circular ring-shaped working band 28 and a fourth open circular ring-shaped working band 29 which are concentric and are sequentially arranged from outside to inside, the electric brushes comprise a first electric brush 23, a second electric brush 22, a third electric brush 12 and a fourth electric brush 10, the first electric brush 23, the second electric brush 22, the third electric brush 12 and the fourth electric brush 10 are respectively in one-to-one corresponding contact with a first opening circular ring-shaped working belt 26, a second opening circular ring-shaped working belt 27, a third opening circular ring-shaped working belt 28 and a fourth opening circular ring-shaped working belt 29, the first electric brush 23 and the second electric brush 22 are in conductive connection through a first conducting strip 21, the third brush and the fourth brush are conductively connected through a second conductive plate 11, and the first conductive plate 21 and the second conductive plate 11 are respectively mounted on the sleeve 13. Fig. 1, 2, and 3 also show the lead 3 in which the power supply line and the signal line of the resistor 8 are gathered.
As shown in fig. 1-5, the potentiometer has two independent working circuits, each circuit has a signal acquisition unit and a signal transmission unit, the rotation of the rotating shaft 2 drives the sleeve 13 to rotate, so as to drive the first conductive sheet 21 and the second conductive sheet 11 to rotate synchronously, the first brush 23, the second brush 22, the third brush 12 and the fourth brush 10 rotate synchronously and slide in one-to-one corresponding contact with the first open circular ring-shaped working belt 26, the second open circular ring-shaped working belt 27, the third open circular ring-shaped working belt 28 and the fourth open circular ring-shaped working belt 29, respectively, the signal acquisition unit transmits the electric signals acquired by the corresponding brushes to external equipment through the signal transmission unit, and corresponding rotation angle information is obtained after calculation; the signal acquisition unit and the signal transmission unit corresponding to the two independent circuits are respectively as follows: the first split ring-shaped working band 26 (which may also be the second split ring-shaped working band 27) and the first brush 23 (which may also be the second brush 22) form a signal acquisition unit of a first circuit, and the second split ring-shaped working band 27 (which may also be the first split ring-shaped working band 26), the second brush 22 (which may also be the first brush 23) and the first conductive sheet 21 form a signal transmission unit of the first circuit; the third open circular ring-shaped working band 28 (or the fourth open circular ring-shaped working band 29) and the third electric brush 12 (or the fourth electric brush 10) form a signal acquisition unit of a second circuit, and the fourth open circular ring-shaped working band 29 (or the third open circular ring-shaped working band 28), the fourth electric brush 10 (or the third electric brush 12) and the second conductive sheet 11 form a signal transmission unit of the second circuit.
As shown in fig. 1 to 5, a plurality of optimized structures of the present invention are disclosed below, and the above structures and one or more structures described below may be combined in an overlapping manner as required to form a more optimized technical solution.
The sleeve 13 comprises a center tube 20 and a mounting disc (not separately marked in the figure), the axial direction of the center tube 20 is perpendicular to the plane of the mounting disc, one end of the center tube 20 is fixedly connected with one side of the mounting disc, the plane of the mounting disc is parallel to the plane of the resistor body 8, the rotating shaft 2 is connected with the center tube 20 of the sleeve 13, and the center tube 20 penetrates through the central through hole 9 of the resistor body 8. This structure facilitates the connection of the shaft 2 and the sleeve 13, and also facilitates the connection of the brushes and the sleeve 13, and also facilitates the placement of the connection means of the brushes on the outer side of the outer cover 6, which is close to the outside, providing conditions for the positioning adjustment structure of the brushes below.
In order to facilitate the adjustment of the angle of the conducting strip in the using process so as to improve the precision, an outer cover through hole 18 is formed in one side, parallel to the plane of the mounting disc, of the outer cover 6 (the outer cover through hole 18 in the figure is of an outer full-opening structure, namely the outer cover 6 is not provided with an end plate, so that a cylinder structure is formed, the installation of the pressing plate 16 is prevented from being influenced by the end plate, the product volume is reduced as much as possible, otherwise, the outer cover through hole 18 can be designed to be of a local opening structure, a cover plate 15 is installed on the outer cover through hole 18, and the cover plate 15; the mounting disc is provided with two conducting plate mounting screw holes 30, and studs of the two conducting plate mounting bolts 14 respectively penetrate through the two conducting plate mounting screw holes 30 and then are respectively fixedly connected (preferably welded) with the middle part of the first conducting plate 21 and the middle part of the second conducting plate 11; the positions, which are positioned on the outer sides of the two conducting strip mounting screw holes 30, on the outer side surface of the mounting disc are respectively provided with a pressing plate 16, the middle part of the pressing plate 16 is provided with a bulge, an anti-skid piece 17 is arranged on the bulge, and the positions, which are positioned on the two sides of the anti-skid piece 17, on the pressing plate 16 are respectively connected with the mounting disc through pressing plate mounting bolts (not marked in the figure); the two anti-slip members 17 correspond to the nuts of the two conductive sheet mounting bolts 14 one by one, and when the pressing plate 16 is mounted on the mounting plate, the two anti-slip members 17 respectively press the nuts of the two conductive sheet mounting bolts 14 to prevent the conductive sheet mounting bolts from rotating.
Also shown in fig. 5 are press plate mounting screw holes 31 provided in the mounting plate of the sleeve 13, which cooperate with the press plate mounting bolts to mount the press plate 16. When the angle of the conducting strip needs to be adjusted in the using process, firstly, the cover plate mounting bolt 24 and the cover plate 15 are dismounted, then, the pressing plate mounting bolt and the pressing plate 16 are dismounted, the corresponding conducting strip mounting bolt 14 is rotated by a screwdriver, so that the conducting strip mounting bolt drives the first conducting strip 21 or the second conducting strip 11 to rotate, after the conducting strip mounting bolt rotates to a proper angle, the pressing plate 16 is mounted on the mounting disc through the pressing plate mounting bolt, and the corresponding conducting strip and the electric brush cannot rotate and are kept stable by utilizing the pressure of the pressing plate 16 and an anti-skidding structure between the anti-skidding piece 17 and the nut of the corresponding conducting strip mounting bolt 14, so that the normal work of the potentiometer is ensured; finally, the cover plate 15 is installed on the outer cover 6 through the cover plate installation bolt 24, namely, the adjustment and the assembly of the potentiometer are completed, and the potentiometer can continue to work normally and maintain the high-precision characteristic.
In order to more reliably compress and position the conducting strip mounting bolt 14 to prevent the conducting strip mounting bolt from rotating, the anti-slip piece 17 is a rubber pad, and criss-cross anti-slip threads are arranged on the end face, which is in contact with the nut of the conducting strip mounting bolt 14, on the rubber pad, and are matched with the notches on the nut to ensure that the conducting strip mounting bolt 14 cannot rotate; alternatively, for better reliability, criss-cross anti-slip threads may be provided on the nut end surface of the conductive plate mounting bolt 14. The rubber pad has certain elasticity, and its antiskid effect compares two stereoplasm parts direct contact better.
In order to save materials and facilitate installation on the premise of meeting the use requirements, the installation disc is strip-shaped, two conducting strip installation screw holes 30 are respectively arranged at two symmetrical sides of the central tube 20, the opening positions of the first opening circular ring-shaped working band 26 and the second opening circular ring-shaped working band 27 are mutually corresponding and are set as C opening positions, the opening positions of the third opening circular ring-shaped working band 28 and the fourth opening circular ring-shaped working band 29 are mutually corresponding and are set as D opening positions, the opening positions C and the opening positions D are symmetrically distributed around the center of the resistor 8, two ends of the first opening circular ring-shaped working band 26 are power input ends of a first working circuit, one end of the second opening circular ring-shaped working band 27 is a signal output end of the first working circuit, two ends of the third opening circular ring-shaped working band 28 are power input ends of a second working circuit, and one end of the fourth opening circular ring-shaped working band 29 is a signal output end of the second working circuit.
In order to facilitate adjustment of the tightness of the brushes during assembly and fixation after adjustment, the first brush 23, the second brush 22, the third brush 12 and the fourth brush 10 each comprise a spring, which is connected to the corresponding first conductive plate 21 or the second conductive plate 11 by means of rivets 25 and fixed by means of gluing.
In order to improve the stability of 2 rotations of pivot and do benefit to dustproof, the bearing includes first bearing 5 and second bearing 4, and first bearing 5 is for taking the ring flange and taking the ball bearing of shield, and second bearing 4 is for taking the open ball bearing of ring flange. Also shown in fig. 2 is a collar 7 abutting the second bearing 4, the collar 7 being captured in the collar groove of the spindle 2 and providing clearance elimination for the spindle and the second bearing 4 by means of a washer.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.
Claims (7)
1. An integrated dual-redundancy rotary potentiometer with high consistency comprises a shell, an outer cover, a rotating shaft, a bearing, a sleeve, a resistor body and an electric brush, wherein a shell through hole is formed in the shell, the rotating shaft penetrates through a central through hole of the bearing, the bearing is installed in the shell through hole, one end of the rotating shaft is connected with the sleeve, the annular resistor body is installed on the shell, the electric brush is installed on the sleeve, the electric brush is in contact with an open annular working belt arranged on a working surface of the resistor body, the outer cover is connected with the shell, and the sleeve, the resistor body and the electric brush are all arranged in an inner cavity formed by connecting the outer cover and the shell; the method is characterized in that: the open circular ring-shaped working band on the resistor body comprises a first open circular ring-shaped working band, a second open circular ring-shaped working band, a third open circular ring-shaped working band and a fourth open circular ring-shaped working band which are concentric and are sequentially arranged from outside to inside, the electric brushes comprise a first electric brush, a second electric brush, a third electric brush and a fourth electric brush, the first electric brush, the second electric brush, the third electric brush and the fourth electric brush are respectively in one-to-one corresponding contact with the first opening circular ring-shaped working belt, the second opening circular ring-shaped working belt, the third opening circular ring-shaped working belt and the fourth opening circular ring-shaped working belt, the first electric brush is in conductive connection with the second electric brush through a first conductive sheet, the third electric brush is in conductive connection with the fourth electric brush through a second conductive sheet, and the first conductive sheet and the second conductive sheet are respectively installed on the sleeve.
2. The high uniformity integrated dual redundancy rotary potentiometer according to claim 1, wherein: the sleeve comprises a center pipe and a mounting disc, the axial direction of the center pipe is perpendicular to the plane of the mounting disc, one end of the center pipe is fixedly connected with one side of the mounting disc, the plane of the mounting disc is parallel to the plane of the resistor body, the rotating shaft is connected with the center pipe of the sleeve, and the center pipe penetrates through a center through hole of the resistor body.
3. The high uniformity integrated dual redundancy rotary potentiometer according to claim 2, wherein: an outer cover through hole is formed in one side, parallel to the plane where the mounting disc is located, of the outer cover, a cover plate is mounted on the outer cover through hole, and the cover plate is connected with the outer cover through a cover plate mounting bolt; the mounting disc is provided with two conducting plate mounting screw holes, and studs of two conducting plate mounting bolts respectively penetrate through the two conducting plate mounting screw holes and are respectively fixedly connected with the middle part of the first conducting plate and the middle part of the second conducting plate; pressing plates are respectively arranged on the outer side surfaces of the two conducting strip mounting screw holes on the outer side surfaces of the mounting disc, a bulge is arranged in the middle of each pressing plate, an anti-skid piece is arranged on each bulge, and the positions, located on two sides of each anti-skid piece, on each pressing plate are respectively connected with the mounting disc through pressing plate mounting bolts; the two anti-skidding pieces correspond to the nuts of the two conducting strip mounting bolts one by one, and when the pressing plate is mounted on the mounting plate, the two anti-skidding pieces respectively press the nuts of the two conducting strip mounting bolts to enable the nuts not to rotate.
4. The high uniformity integrated dual redundancy rotary potentiometer according to claim 3, wherein: the anti-slip piece is a rubber pad, and criss-cross anti-slip lines are arranged on the end face, in contact with the nut of the conducting strip mounting bolt, of the rubber pad.
5. The integrated, high-consistency, dual-redundancy rotary potentiometer according to claim 2, 3 or 4, wherein: the mounting disc is strip-shaped, the two mounting screw holes of the conducting strip are respectively arranged at the two symmetrical sides of the central tube, the opening positions of the first opening circular ring-shaped working belt and the second opening circular ring-shaped working belt are mutually corresponding and are set as C opening positions, the opening positions of the third opening circular ring-shaped working belt and the fourth opening circular ring-shaped working belt are mutually corresponding and are set as D opening positions, the opening positions C and the opening positions D are symmetrically distributed around the center of the resistor body, two ends of the first opening circular ring-shaped working belt are power supply input ends of a first working circuit, one end of the second open circular ring-shaped working band is a signal output end of the first working circuit, and two ends of the third open circular ring-shaped working band are power input ends of a second working circuit, and one end of the fourth open circular ring-shaped working band is a signal output end of the second working circuit.
6. The integrated, high-consistency, dual-redundancy rotary potentiometer according to claim 2, 3 or 4, wherein: the first electric brush, the second electric brush, the third electric brush and the fourth electric brush respectively comprise a reed, and the reeds are connected with the corresponding first conducting strips or the corresponding second conducting strips through rivets and are fixed through gluing.
7. The integrated high-consistency dual-redundancy rotary potentiometer according to any one of claims 1 to 4, wherein: the bearing comprises a first bearing and a second bearing, the first bearing is a ball bearing with a flange plate and a dustproof cover, and the second bearing is an open ball bearing with a flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010257182.6A CN111462972A (en) | 2020-04-03 | 2020-04-03 | Integrated dual-redundancy rotary potentiometer with high consistency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010257182.6A CN111462972A (en) | 2020-04-03 | 2020-04-03 | Integrated dual-redundancy rotary potentiometer with high consistency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111462972A true CN111462972A (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010257182.6A Pending CN111462972A (en) | 2020-04-03 | 2020-04-03 | Integrated dual-redundancy rotary potentiometer with high consistency |
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| CN (1) | CN111462972A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504114A (en) * | 2021-02-03 | 2021-03-16 | 成都宏明电子股份有限公司 | Miniature dual-redundancy angular displacement sensor with rotation angle limiting function |
-
2020
- 2020-04-03 CN CN202010257182.6A patent/CN111462972A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504114A (en) * | 2021-02-03 | 2021-03-16 | 成都宏明电子股份有限公司 | Miniature dual-redundancy angular displacement sensor with rotation angle limiting function |
| CN112504114B (en) * | 2021-02-03 | 2021-04-27 | 成都宏明电子股份有限公司 | Miniature dual-redundancy angular displacement sensor with rotation angle limiting function |
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